CN208279841U - A kind of machine head of embroidery machine and multi-function embroidery machine - Google Patents

Abstract

The utility model discloses a kind of machine head of embroidery machine and multi-function embroidery machines, belong to embroidery machine technical field, head includes casing and needle bar frame, needle bar frame can be moved back and forth relative to casing, needle bar frame is equipped with the first shank, the second shank, every head embroidered needle bar and carving hole shank, sets that there are two needle bar drivers on casing；Head is in be carved under the state of hole every head, one of needle bar driver driving carving hole shank, and another needle bar driver and the first shank, the second shank are staggered and in zero load on the moving direction of needle bar frame every head embroidered needle bar；Head is in every under head embroidery state, and one of needle bar driver driving is staggered and in zero load every head embroidered needle bar, another needle bar driver and the first shank, the second shank, carving hole shank on the moving direction of needle bar frame.The utility model effectively increases the embroidery purpose that head may be implemented, and so that head is can satisfy a variety of embroidery requirements, expands the function and usage of head.

Description

A kind of machine head of embroidery machine and multi-function embroidery machine

Technical field

The utility model relates to embroidery machine technical field more particularly to a kind of machine head of embroidery machine, in addition, the utility model is also It is related to the multi-function embroidery machine using such machine head of embroidery machine.

Background technique

With the progress of science and technology, technology, computerized emboridering machine has become the main mechanical of embroidery industry, embroidery machine Head be then embroidery machine important feature.The embroidery head of the head of common embroidery machine during the work time is away from usually fixation , if wanting the embroidery head for adjusting embroidery machine away from needing to shut down the part head on embroidery machine, such as shut down 1,3,5,7 odd bits Head, purpose of the double head away from embroidery is realized by the head of the even bits such as 2,4,6,8, it is such change embroidery head away from mode Also referred to as embroider every head.Using such mode adjust embroidery head away from when, need to shut down part head, so can be to embroidery machine Working performance and working efficiency cause large effect.

In order to solve by shut down part head realize every head embroidery when there are the drawbacks of, some producers are to existing embroidery machine Head improved, two needle bar drivers are set on the same head, and add electromagnet on head.Embroidery machine When carrying out plain embroidery, two needle bar drivers respectively drive two corresponding shanks.It needs to carry out when head embroidery, electromagnet passes through Driving member drives one of needle bar driver to rotate by a certain angle relative to guiding axis, makes the card slot and needle on needle bar driver Fixture block on bar is staggered in the circumferential, realizes that the transmission between needle bar driver and shank is detached from this.It is real using such mode Now when head is embroidered, need through the normally opened electromagnet of electric control gear, since the frequency that needle bar driver moves back and forth is larger, electromagnetism Iron is easily damaged after a period of work.In addition, since electromagnet is typically mounted at the inside of head, be not easy to repair and Replacement.Furthermore in order to realize driving of the electromagnet to needle bar driver, needing to add between electromagnet and needle bar driver must The driving member wanted can so be increased head assembling difficulty, can also be increased being produced into for head due to the inner space very little of head This.

Need first to shut down machine, the eedle on the needle position of part is replaced when head carves hole using existing embroidery machine At carving hole needle, the first carving hole purpose that bound edge is embroidered again is realized after restarting, it is complicated for operation, it is unfavorable for guaranteeing processing efficiency.

Utility model content

In order to solve above-mentioned shortcoming and defect existing in the prior art, the utility model provide a kind of structure it is simple and It is able to achieve the machine head of embroidery machine of multiple functions.

In order to achieve the above technical purposes, machine head of embroidery machine provided by the utility model, including casing and be set to casing on Needle bar frame, needle bar frame can be moved back and forth relative to casing, the needle bar frame be equipped with the first shank, the second shank, every Head embroidered needle bar and carving hole shank, set that there are two needle bar drivers on casing；Head is in be carved under the state of hole every head, one of needle Bar driver driving carving hole shank, another needle bar driver and the first shank, the second shank, every head embroidered needle bar needle bar frame shifting It is staggered on dynamic direction and in zero load；Head is in every under head embroidery state, and one of needle bar driver driving is every head embroidered needle Bar, another needle bar driver are staggered and are on the moving direction of needle bar frame with the first shank, the second shank, carving hole shank It is unloaded.

Preferably, first shank includes shank I and shank II, and the second shank includes shank III and shank IV, shank I, shank II, every head embroidered needle bar, carving hole shank, shank III and shank IV along needle bar frame moving direction from back to front or from forward direction After be sequentially arranged on needle bar frame.

Preferably, the shank I, shank II, be equidistantly set to every head embroidered needle bar, carving hole shank, shank III and shank IV On needle bar frame.

Preferably, first shank be equipped with one, the second shank be equipped with one, the first shank, every head embroidered needle bar, carving hole Shank and the second shank are set on needle bar frame along the moving direction of needle bar frame.

Preferably, first shank, every head embroidered needle bar, carving hole shank and the second shank be equidistantly set on needle bar frame.

Preferably, first shank and the second shank are equipped with the eedle for embroidery, and head has plain embroidery state, machine For head under plain embroidery state, two needle bar drivers respectively drive the first shank and the second shank；Alternatively, first shank and Second shank is equipped with the carving hole needle for carving hole, and there is head tack to carve hole state, and head is under tack carving hole state, and two A needle bar driver respectively drives the first shank and the second shank.

Preferably, the casing is equipped with two guiding axis, and two needle bar drivers are sheathed on respectively on two guiding axis, And needle bar driver can move back and forth along the axial direction of guiding axis.

Preferably, first for driving that needle bar driver moves back and forth along the axial direction of guiding axis is additionally provided on the casing Cam is equipped with transmission mechanism between the first cam and needle bar driver.

Preferably, the top of the needle bar frame is equipped with the first shank, the second shank, every head embroidered needle bar corresponding the One thread take-up tension lever, the second thread take-up tension lever embroider thread take-up tension lever every head, and casing is equipped with taking-up frame, set that there are two take-up rollers on taking-up frame；Its In take-up roller with when head embroiders thread take-up tension lever cooperation, another take-up roller and the first thread take-up tension lever, the second thread take-up tension lever are in shank It is staggered on the moving direction of frame and in zero load.

After adopting the above technical scheme, machine head of embroidery machine provided by the utility model has the advantages that

1, machine head of embroidery machine provided by the utility model has added every head embroidered needle bar and carving hole shank on needle bar frame, has led to It crosses the first shank and tack embroidery function and tack crosspointer carving hole function may be implemented in the second shank, by can be with every head embroidered needle bar It realizes and embroiders function every head, may be implemented to carve hole function every head by carving hole shank, to effectively increase what head may be implemented Embroidery purpose makes head can satisfy a variety of embroidery requirements, expands the function and usage of head.

Head is used to carve hole every head or when head is embroidered, only a needle bar driver is needed effectively to drive corresponding shank Dynamic, another needle bar driver is staggered on the moving direction of needle bar frame with other shanks, realizes the biography between other shanks Dynamic separation, is in light condition when another needle bar driver moves back and forth, not will drive the operation of other shanks, to realize every head It carves hole function or embroiders function every head.Head, convenient for operation, have when head carves hole without shutting down machine and no replacement is required part Conducive to guarantee working efficiency.

Due to the head of the utility model be using needle bar driver on the moving direction of needle bar frame it is corresponding with shank or The mode of dislocation realizes clutch, without adding electromagnet on head and driving needle bar driver to turn under the drive of electromagnet Dynamic driving member is conducive to simplify the structure of head, reduces the assembling time-consuming of head and the production cost of control head.

2, the first shank and the second shank can use single needle rod structure, can also use crosspointer rod structure.When the first needle Bar and the second shank are respectively provided with two and when for plain embroideries, and shank I and shank III wear the yarn of same color, shank II and needle Bar IV wears the yarn of another color, realizes on same head double-colored embroidery purpose in the case of two groups of crosspointers embroidery, is conducive to rich The color of richness embroidery flower pattern, better meets embroidery and requires.It, will be on the first shank and the second shank when needing to carry out tack carving hole Embroidery machine needle be replaced with carving hole needle, can be realized crosspointer tack carving hole function.

4, when the first shank and the second shank use crosspointer rod structure, shank I, shank II, every head embroidered needle bar, carving hole needle Bar, shank III and shank IV are sequentially arranged on needle bar frame from back to front or from front to back along the moving direction of needle bar frame, sufficiently Using needle bar frame installation space and rationally the arrangement position of each shank is set, avoid other shanks from realizing a certain function in head When interfere, better meet the different operating requirement under different working condition.

5, when the first shank and the second shank use crosspointer rod structure, shank I, shank II, every head embroidered needle bar, carving hole needle Bar, shank III and shank IV are equidistantly set on needle bar frame.When first shank and the second shank use single needle structure, the first needle Bar is equidistantly set on needle bar frame every head embroidered needle bar, carving hole shank and the second shank.Convenient for making full use of the installation on needle bar frame The position of each shank is rationally arranged in space, and mobile stroke is needed in switch operating state convenient for accurate control needle bar frame.

6, two guiding axis are set on casing, and two needle bar drivers are sheathed on respectively on two guiding axis, head work When, needle bar driver moves back and forth along the axial direction of guiding axis, and drive corresponding shank move up and down realize tack embroidery or every Head is embroidered or carves hole or tack carving hole every head.Due to passing through the mistake on the moving direction of needle bar frame between needle bar driver and each shank The mode opened realizes transmission separation, and needle bar driver under the driving of electromagnet relative to guiding axis without rotating, therefore Also just be conducive to simplify needle bar driver without installing the torsional spring for driving needle bar driver to reset on needle bar driver Structure and assembling difficulty.

7, head realizes the axis for driving needle bar driver along guiding axis by the way of the first cam and transmission mechanism cooperation To the purpose moved back and forth, structure is simple, and transmission effect is good, and since the drive mechanism of the first cam is more compact, is suitble to answer For the lesser machine head of embroidery machine of installation space.In addition, the drive mechanism of the first cam is well positioned to meet machine head of embroidery machine The job requirement to run at high speed.

8, on needle bar frame setting with the first shank, the second shank, every corresponding first thread take-up tension lever of head embroidered needle bar, second Thread take-up tension lever embroiders thread take-up tension lever every head, for driving the take-up roller of each thread take-up tension lever movement to be installed on same taking-up frame.Head carries out When plain embroidery, two take-up rollers cooperate with the first thread take-up tension lever and the second thread take-up tension lever respectively, are chosen by two on same taking-up frame Line roller drives two thread take-up tension levers to move synchronously, and convenient for improving the work synchronism of two thread take-up tension levers, better meets embroidery and wants It asks.Head carries out when head is embroidered, and a take-up roller embroiders thread take-up tension lever cooperation, mobile side of another thread take-up tension lever in needle bar frame with every head It is staggered with other two thread take-up tension levers upwards, avoids carrying out unnecessary take-up movement, while avoiding causing to interfere to every head embroidery.

The utility model additionally provides a kind of multi-function embroidery machine, including rack, and the rack is equipped with multiple above-mentioned notes The machine head of embroidery machine of load.Embroidery machine provided by the utility model uses the machine head of embroidery machine of above-mentioned record, can pass through the first shank It realizes that tack embroidery function and tack crosspointer carve hole function with the second shank, function can be embroidered every head by realizing every head embroidered needle bar, It can also be realized by carving hole shank and carve hole function every head, effectively increased the function and usage of embroidery machine, can satisfy embroidery machine A variety of embroidery requirements, can better meet the market demand.

Detailed description of the invention

Fig. 1 is the overall schematic of one machine head of embroidery machine of the utility model embodiment；

Fig. 2 is the schematic diagram of housing part in one machine head of embroidery machine of the utility model embodiment；

Fig. 3 is the front view of needle bar frame part in one machine head of embroidery machine of the utility model embodiment；

Fig. 4 is the broken away view that shank and thread take-up tension lever are driven in one machine head of embroidery machine of the utility model embodiment；

Fig. 5 is in one machine head of embroidery machine of the utility model embodiment for driving the part-structure of needle bar driver to illustrate Figure；

Fig. 6 is the explosive view for each component being placed on transmission shaft in one machine head of embroidery machine of the utility model embodiment；

Fig. 7 is in one machine head of embroidery machine of the utility model embodiment for driving the structural schematic diagram of taking-up frame；

Fig. 8 be one machine head of embroidery machine of the utility model embodiment initial position lower needle bar driver and each shank it Between position view；

Fig. 9 be one machine head of embroidery machine of the utility model embodiment first position state lower needle bar driver and each shank it Between position view；

Figure 10 is one machine head of embroidery machine of the utility model embodiment in second position state lower needle bar driver and each shank Between position view；

Figure 11 is one machine head of embroidery machine of the utility model embodiment in the third place state lower needle bar driver and each shank Between position view；

Figure 12 is three machine head of embroidery machine of the utility model embodiment in initial position lower needle bar driver and each shank Between position view.

In figure, 100- head, 1- casing, 11- guiding axis, the upper supporting beam of 12-, supporting beam under 13-, 14- rolling bearing, 15- transmission shaft, 16- bearing, 17- lasso, 18- pin shaft, 2- needle bar frame, 21- upper beam, 22- lower beam, 23- fixing axle, 24- Link block, 25- open slot, the first shank of 31-, 311- shank I, 312- shank II, the second shank of 32-, 321- shank III, 322- Shank IV, for 33- every head embroidered needle bar, 34- carves hole shank, 35- eedle, and 36- carves hole needle, 37- presser feet, 371- sliding block, 372- transition Plate, 373- pressure foot, 38- driven member, 381- convex block, 382- needle folder, the first spring of 391-, 392- second spring, 393- limit Position screw, 4- needle bar driver, 41- groove, the first cam of 51-, 511- axis hole, 52- big connecting rod, tri- connecting rods of 53-, 531- bar Axis, 54- small rod, the first thread take-up tension lever of 61-, 611- thread take-up tension lever I, 612- thread take-up tension lever II, the second thread take-up tension lever of 62-, 621- thread take-up tension lever III, 622- thread take-up tension lever IV, 63- embroider thread take-up tension lever every head, and 64- carves hole thread take-up tension lever, 71- taking-up frame, 72- take-up roller, among 73- Axis, the second cam of 74-, 741- driving groove, 75- drive rod, 76- roller, 77- cover board.

Specific embodiment

The utility model is described in further detail in the following with reference to the drawings and specific embodiments.It is to be appreciated that following The indicating positions such as "upper", "lower", "left", "right", " longitudinal direction ", " transverse direction ", "inner", "outside", "vertical", "horizontal", "top", "bottom" Or the word of positional relationship is based only upon orientation or positional relationship shown in the drawings, only for the purposes of describing the utility model and simplification Description, rather than device/element of indication or suggestion meaning must have a particular orientation or be constructed and be grasped with specific orientation Make, therefore should not be understood as limiting the present invention.

Embodiment one

As shown in Figure 1, the machine head of embroidery machine that the utility model embodiment one provides, head 100 is including casing 1 and is set to machine Needle bar frame 2 on shell, needle bar frame 2 can be moved back and forth relative to casing 1, and needle bar frame 2 is equipped with the first shank 31, the second needle Bar 32, every head embroidered needle bar 33 and carving hole shank 34.As shown in Fig. 2, setting on casing 1, there are two needle bar drivers 4.When head 100 In carving under the state of hole every head, hole shank 34, another needle bar driver and the first shank are carved in one of driving of needle bar driver 4 31, the second shank 32, every head embroidered needle bar 33 be staggered on the moving direction of needle bar frame 2 and in zero load.When head 100 is in Every under head embroidery state, one of driving of needle bar driver 4 every head embroidered needle bar 33, another needle bar driver and the first shank 31, Second shank 32, carving hole shank 34 are staggered and in zero load on the moving direction of needle bar frame 2.

Tack embroidery function may be implemented by the first shank 31 and the second shank 32 for head 100 and tack crosspointer carves Kong Gong Can, function is embroidered every head by may be implemented every head embroidered needle bar 33, may be implemented to carve hole function every head by carving hole shank 34, thus The purpose that head 100 may be implemented is effectively increased, head is made to can satisfy a variety of embroidery requirements, the function of expanding head is used On the way.When only a needle bar driver being needed effectively to drive corresponding shank, another needle bar driver and other shanks exist It is staggered on the moving direction of needle bar frame, realization is separated with the transmission between other shanks, and another needle bar driver moves back and forth When be in light condition, not will drive other shanks operation.Without adding electromagnet on head and under the drive of electromagnet The driving member for driving needle bar driver to rotate is conducive to the assembling time-consuming and control head for simplifying the structure of head, reducing head Production cost.

In the present embodiment, the first shank 31 and the second shank 32 are all made of crosspointer rod structure.First shank, which sets 31, two, Respectively shank I 311 and shank II 312.Second shank 32 also is provided with two, respectively shank III 321 and shank IV 322.

As shown in figure 3, needle bar frame 2 moves back and forth in the lateral direction relative to casing 1, and X-direction shown in Fig. 3 is The direction that needle bar frame 2 is moved forward relative to casing 1, shank I 311, shank II 312, every head embroidered needle bar 33, carving hole shank 34, Shank III 321 and shank IV 322 are successively set on needle bar frame 2 at equal intervals from left to right in X direction, i.e., shank I, shank II, It is sequentially arranged in needle bar frame from front to back along the moving direction of needle bar frame 2 every head embroidered needle bar, carving hole shank, shank III and shank IV On.

When first shank and the second shank are for realizing plain embroidery, shank I 311 and shank III 321 wear the yarn of same color Line, shank II 312 and shank IV 322 wear the yarn of another color, realize double in the case of two groups of crosspointer embroidery on same head Color embroidery purpose is conducive to the color of abundant embroidery flower pattern.The present embodiment is illustrated so that plain embroidery head is away from for 55mm as an example, shank I 311 and shank III 321 combine and carry out plain embroidery, shank II 312 and shank IV 322, which combine, carries out plain embroidery, shank I and shank III it Between center away from the center between S1, shank II and shank IV be 55mm away from S2, on two neighboring head 100 every head embroidered needle Center between bar 33 is away from as 110mm.Since six roots of sensation shank is equidistantly installed on needle bar frame 2, between adjacent shank in The heart is away from equal, and in the present embodiment, for each shank of reasonable Arrangement, center between adjacent shank is 13.75mm away from L.Consider There are problems that interference when being mounted on the rack to head 100, needs to reserve certain surplus, therefore, single needle bar frame 2 is moving Width W on dynamic direction is set as 107mm, and the spacing L1 between 2 left side of shank I 311 and needle bar frame is 19.125mm, shank Spacing L2 between IV 322 and 2 right side of needle bar frame is also 19.125mm.

In order to stablize each shank of installation, the top of needle bar frame 2 is equipped with upper beam 21, and the lower part of needle bar frame 2 is equipped with lower beam 22, upper beam 21 and lower beam 22 are equipped with the hole passed through for each shank, are fixed with axle sleeve in hole, each shank by with axle sleeve It is coupled on needle bar frame, and each shank can move back and forth relative to about 2 needle bar frame.

In order to realize plain embroidery purpose and embroider purpose, shank I 311, shank II 312, shank III 321, IV 322 and of shank every head The eedle 35 for embroidery is respectively and fixedly provided with every the bottom end of head embroidered needle bar 33.Hole function is carved every head in order to realize, carving hole shank 34 Bottom end is fixed with carving hole needle 36.In order to compress fabric in plain embroidery or when head is embroidered or carves hole, presser feet 37 is equipped on each shank.

As shown in figure 4, the substantially intermediate position of each shank is equipped with driven member 38, driven member is equipped with towards shank The convex block 381 that driver 4 protrudes.In order to make driven member 38 keep stablizing on shank, it is additionally provided with to be located on each shank and is driven Needle folder 382 above moving part, is further fixed on one piece of limit plate on the trailing flank of needle bar frame, limit plate be equipped with vertically open up and With the one-to-one sliding slot of each shank, the convex block on each shank, which is inserted into corresponding sliding slot, realizes limit.

The top of presser feet 37 is fixed with sliding block 371, and the substantially intermediate position of presser feet is equipped with for transition and horizontally disposed Transition plates 372, equipped with pressure foot 373 horizontal after bending, pressure foot is equipped with for eedle 35 or carving hole needle 36 for the bottom end of presser feet The hole passed through.The top of presser feet 37 is set on shank by sliding block 371, and the bottom end of shank passes through the transition at position among presser feet Plate 372.

In order to reset each shank can preferably after completing movement every time, it is arranged with two springs on each shank, divides It Wei not the first spring 391 and second spring 392.First spring 391 is sheathed on the intermediate position of shank, and the bottom end of the first spring is supported In on sliding block 371, top is butted in driven member 38.Second spring 392 is sheathed on the top of shank, and the top of shank is fixed with For the stop screw 393 of limit spring, the bottom end of second spring 392 is butted on upper beam 21, and top is butted on stop screw 393 On.

In conjunction with Fig. 2 and Fig. 4, the vertical guiding axis of axial direction 11, two shanks are respectively provided at left and right sides of 1 front of casing Driver 4 is sheathed on respectively on two guiding axis.The front of 1 upper end of casing is equipped with upper supporting beam 12, and the bottom end of casing is prolonged forward It stretches to form lower supporting beam 13.The top fixation of guiding axis 11 is inserted in supporting beam 12, and the bottom end fixation of guiding axis is inserted in In lower supporting beam 13, fixed installation of the guiding axis on casing 1 is realized.

It is solid on the front end face of upper supporting beam 12 in order to realize purpose that needle bar frame 2 can be moved back and forth relative to casing 1 Surely have and determine guide rail, the dynamic guide rail of guide rail is fixed with and determined on the trailing flank of needle bar frame 2.In the present embodiment, determines guide rail and move Guide rail uses dovetail slideway structure.In order to reduce friction when needle bar frame 2 moves back and forth between casing 1, guiding axis 11 Lower end is equipped with rolling bearing 14, and the sliding friction between needle bar frame and casing is converted to rolling friction, it is mobile to reduce needle bar frame When suffered resistance.

As shown in Figure 4, Figure 5, the front side of needle bar driver 4 is equipped with is equipped with the matched groove 41 of convex block 381, casing 1 Axial horizontal transmission shaft 15 is fixed with for driving needle bar driver to move back and forth along the axial direction of guiding axis 11 on transmission shaft First cam 51, the first cam are set in casing 1, and the biography for transmitting power is equipped between the first cam and needle bar driver 4 Motivation structure.

In the present embodiment, transmission is realized using link mechanism between the first cam 51 and needle bar driver 4.Link mechanism packet Include 52, three connecting rods 53 of big connecting rod and small rod 54.In conjunction with Fig. 6, casing 1 is equipped with the bearing for rotational support transmission shaft 15 16, the first cam 51 is equipped with eccentric axis hole 511, and the first cam is loaded on transmission shaft by axis hole eccentric bushing, on transmission shaft It is fixed with the lasso 17 for locking the first cam.Casing 1 is equipped with the pin shaft 18 for installing three connecting rods 53, three connecting rods Rear end cap loaded on pin shaft, one end of big connecting rod 52 is sheathed on the first cam 51, the other end is articulated on three connecting rods, three The front end of eye connecting rod is equipped with the length direction perpendicular to three connecting rods and the bar axis 531 to two sides elongation moulding.Small rod 54 One end is articulated with the end of bar axis 531, and the other end is articulated with needle bar driver 4.When transmission shaft 15 rotates, pass through the first cam 51,52, three connecting rods 53 of big connecting rod and small rod 54 drive needle bar driver 4 to move back and forth along the axial direction of guiding axis 11, shank Driver drives each shank to move up and down relative to needle bar frame 2 by the cooperation of groove 41 and convex block 381.

In order to smoothly realize plain embroidery and be embroidered every head, the top of needle bar frame 2 be equipped with the first shank 31, the second shank 32, every Corresponding first thread take-up tension lever 61 of head embroidered needle bar 33, the second thread take-up tension lever 62 and thread take-up tension lever 63 is embroidered every head.In the present embodiment, first Thread take-up tension lever 61 is equipped with two, the respectively and corresponding thread take-up tension lever I 611 of shank I 311 and thread take-up tension lever II corresponding with shank II 312 612.Second thread take-up tension lever 62 also is provided with two, thread take-up tension lever III 621 respectively corresponding with shank III 321 and with IV 322 pairs of shank The thread take-up tension lever IV 622 answered.It is equipped with one every choicest line bar 63, and between the first thread take-up tension lever and the second thread take-up tension lever.In order to make Head monnolithic case is regular, and carving hole thread take-up tension lever 64 corresponding with carving hole shank 34 is additionally provided on needle bar frame 2.

The top of needle bar frame 2 is equipped with fixing axle 23, and the rear end of each thread take-up tension lever is rotatably set in the fixing axle.Gu Dead axle 23 is equipped with the link block 24 for corresponding with each thread take-up tension lever and being used to that each thread take-up tension lever to be driven to swing up and down, and sets on link block There is the open slot 25 of U-shaped.

As shown in fig. 7, casing 1 is equipped with the taking-up frame 71 that can swing back and forth, the front end of taking-up frame sets that there are two axial water Flat take-up roller 72.The top of casing 1 is equipped with jackshaft 73 that is axial horizontal and can rotating relative to casing, taking-up frame 71 Rear end fixing sleeve is set on jackshaft.When thread take-up tension lever is without take-up, link block corresponding with thread take-up tension lever is in lockup state, chooses Line roller cannot drive thread take-up tension lever rotation by link block, thus can not achieve take-up movement.When needing take-up, link block is in Unlocked state, take-up roller can drive thread take-up tension lever to swing, complete take-up movement by link block.

In order to drive taking-up frame 71 to swing back and forth by jackshaft 73, head 100 further includes the second cam 74 and drive rod 75.Second cam, 74 fixing sleeve is loaded on transmission shaft 15, driving groove 741 of second cam equipped with abnormity, and the one of drive rod 75 Hold fixing sleeve loaded on jackshaft 73, the other end passes through the driving with the cooperation of driving groove 741 by the second cam 74.The present embodiment In, the other end of drive rod 75 is equipped with to be set in driving groove with the matched roller 76 of driving groove 741, roller.Second cam 74 It drives drive rod 75 to move by the cooperation of driving groove 741 and roller 76, drives jackshaft 73 to rotate when drive rod moves, it is intermediate Taking-up frame 71 is driven to swing up and down when axis rotates, taking-up frame drives corresponding thread take-up tension lever to swing up and down by take-up roller 72, Plain embroidery realizes take-up when head is embroidered.

In the present embodiment, the second cam 74 and the first cam 51 are all mounted in casing 1, due to casing inner space compared with Small, the installation gap between the second cam and the first cam is small, in order to avoid causing to interfere between the two, the second cam and first Cover board 77 is equipped between cam, and cover board is fixed on the side of the second cam.

The present embodiment additionally provides a kind of multi-function embroidery machine, and embroidery machine includes rack, is equipped on multiple side by side in rack State the head 10 of record.In the present embodiment, rack is equipped with horizontally disposed and elongated fixed arm, and multiple heads are along fixed The length direction of arm is fixed in side by side on the fixed arm.

As shown in figure 8, head 100 carries out plain embroidery under initial position, the convex block 381 on shank I 311 is plugged together in a left side In groove 41 on side needle bar driver 4, the convex block on shank III 321 is plugged together in the groove on the needle bar driver of right side.Its In a take-up roller 72 be stuck in the open slot 25 of I 611 rear end of thread take-up tension lever, another take-up roller is stuck in thread take-up tension lever III 621 In the open slot of rear end.Transmission shaft 15 rotates, and is driven by the first cam 51,52, three connecting rods 53 of big connecting rod and small rod 54 Two needle bar drivers 4 along guiding axis 11 axial synchronizing moving, two needle bar drivers drive shanks I it is synchronous with shank III come Return is dynamic.Meanwhile transmission shaft 15 drives two by the second cam 74, ball 76, drive rod 75, jackshaft 73 and taking-up frame 71 It is chosen on take-up roller 72, two take-up rollers drive thread take-up tension lever I, thread take-up tension lever III to complete take-up movement respectively, to realize embroidery Purpose.At this point, the head of embroidery is away from as 55mm since the spacing between shank I and shank III is 55mm.Complete take-up, embroidery After work, transmission shaft 15 drives corresponding shank, thread take-up tension lever to reset, and then carries out next take-up, embroidery movement, and so on.

As shown in figure 9, needle bar frame 2 is in first position state after initial position in X direction moving distance L, this When, the convex block 381 on shank II 312 is plugged together in the groove 41 on left side needle bar driver 4, and the convex block on shank IV 322 is inserted Together in the groove on the needle bar driver of right side.Meanwhile one of take-up roller 72 is stuck in the opening of II 612 rear end of thread take-up tension lever In slot 25, another take-up roller is stuck in the open slot of IV 622 rear end of thread take-up tension lever.When transmission shaft 15 rotates, thread take-up tension lever II 612, thread take-up tension lever IV 622 carries out take-up, and shank II 312, shank IV 322 are embroidered, and embroidery head is specifically acted away from being also 55mm Movement when being embroidered with above-mentioned shank I, shank III is identical, repeats no more.

As shown in Figure 10, needle bar frame 2 is in second position shape after continuing to move to distance L in X direction from first position state State, at this point, plugging together every the convex block 381 on head embroidered needle bar 33 in the groove on the needle bar driver of left side, shank I, is carved shank II Convex block on hole shank, shank III and shank IV in the X direction between the groove on the needle bar driver of right side there are spacing, Convex block i.e. on other shanks misplaces with the groove on the needle bar driver of right side in the X direction, at the needle bar driver on right side In light condition.Correspondingly, the take-up roller 72 of 71 upper left side of taking-up frame, which is stuck in, embroiders the open slot 25 of 63 rear end of thread take-up tension lever every head It is interior, there is spacing between the take-up roller on right side and the open slot of other take-up rod rear ends, the take-up roller on right side is in sky Load state.Transmission shaft 15 rotate when, by drive rod 75, jackshaft 73, taking-up frame 71 and the take-up roller 72 in left side drive every Head embroiders thread take-up tension lever 63 and swings realization take-up, while being driven by transmission mechanism and being transported every head embroidered needle bar 33 relative to about 2 needle bar frame It is dynamic to realize embroidery.At this point, on adjacent head 100 double head is realized away from for 110mm in two centers between head embroidered needle bar 33 Away from every head embroider function.

As shown in figure 11, needle bar frame 2 is in the third place state after moving distance L from second position state in X direction again, At this point, the convex block 381 on carving hole shank 34 is plugged together in the groove 41 on left side needle bar driver 4, shank I, shank II, every head Convex block on embroidered needle bar, shank III and shank IV in the X direction between the groove on the needle bar driver of right side there are spacing, Convex block i.e. on other shanks uniformly groove dislocation on the needle bar driver of right side in the X direction, at the needle bar driver on right side In light condition.The take-up roller 72 of 71 upper left side of taking-up frame is stuck in the open slot of carving 64 rear end of hole thread take-up tension lever, carves hole take-up It is not threaded on bar, there is spacing, the take-up rolling on right side between the take-up roller on right side and the open slot of other take-up rod rear ends Son is in light condition.When transmission shaft 15 rotates, carving hole shank 34 is driven to transport relative to about 2 needle bar frame by transmission mechanism Dynamic, the carving hole to fabric is realized in the carving hole shank drive carving up and down motion of hole needle 36, meanwhile, transmission shaft passes through drive rod 75, centre Axis 73, taking-up frame 71, left side take-up roller 72 drive carving hole thread take-up tension lever 64 swing up and down carry out sky choose.At this point, adjacent head Center on 100 between two carving root hole shanks realized by carving hole shank away from for 110mm and carves hole every head to fabric, other Shank for embroidery is out of service.

When being embroidered after the completion of head carving hole, needle bar frame 2 is reset to a certain location status along the reverse movement of X ?.The job site situation of needle bar frame 2 is not necessarily to according to gradually carrying out the step of above-mentioned record, can be wanted according to specific embroidery Seek arbitrary switch each position state.

It is understood that " being staggered ", " transmission is detached from " are equal between the shank and needle bar driver recorded in the present embodiment Refer to because the groove on the convex block and needle bar driver on each shank has " being staggered " that spacing is realized and " transmission in the X direction It is detached from ", without including that needle bar driver rotation is made to cause groove and convex block in the week of needle bar driver by the effect of electromagnet Mode, the situation being staggered upwards.

It is understood that " plain embroidery " and " tack embroidery " in the present embodiment, which refers both to head, carries out head away from the thorn for 55mm It embroiders, " tack carving hole " refers to that head carries out head away from the carving hole for 55mm, and " carving hole every head " refers to that head carries out head away from the carving for 110mm Hole, " embroidering every head " refer to that head carries out head away from the embroidery for 110mm.

It is understood that the needle bar frame 2 in the present embodiment can also be translate forward along the reversed of X relative to casing 1, edge X-direction translates reset relative to casing backward.

It is understood that the position of the present embodiment interval head embroidered needle bar 33 and the position of carving hole shank 34 can be interchanged.

It is understood that in the present embodiment head 100 embroidery head away from every head embroider head it is above-mentioned away from being not limited to Record, the spacing between the width of needle bar frame, adjacent shank is also not limited to above-mentioned record, the width of needle bar frame, shank it Between spacing, embroidery head is away from embroidering head away from can require rationally setting according to specific embroidery with every head.

It is understood that the distribution of each shank is not limited to shown in above-mentioned record and attached drawing in the present embodiment, each needle Bar can also be arranged using non-equidistant mode, need to only meet under each position state corresponding shank and needle bar driver it Between transmission clutch requirement.

It is understood that the quantity of the first shank 31, the quantity of the second shank 32 are not limited in the present embodiment Record and two shown in the drawings are stated, the first shank, the second shank can also rationally be arranged to more, further enrich plain embroidery Pattern.

It is understood that since needle bar driver 4 need to only move back and forth along the axial direction of guiding axis 11 in the present embodiment, it can Circumferential position limiting structure to be arranged between needle bar driver and guiding axis, the limit axially extended is such as set on guiding axis The limiting slot with limit rib cooperation is arranged in muscle on the hole wall of needle bar driver, is realized by the cooperation of limit rib and limiting slot Limit in circumferential direction move back and forth needle bar driver can only along the axial direction of guiding axis.

" front side " of above-mentioned each component, " front end " finger are in normal work towards the side of operator, one end, respectively " rear side " of component, " rear end " finger are in normal work backwards to side, one end of operator.

Embodiment two

It is in place of the utility model embodiment two and the difference of above-described embodiment one, III 321 bottom of shank I 311 and shank The eedle at end is replaced with carving hole needle, does not thread on thread take-up tension lever I 611 and thread take-up tension lever III 621.

When work, the convex block 381 on shank I and shank III is plugged together respectively in the groove 41 on two needle bar drivers 4, Two take-up rollers 72 are located in the open slot 25 of III rear end of thread take-up tension lever I and thread take-up tension lever.When transmission shaft 15 rotates, pass through biography Motivation structure drives shank I and shank III to move up and down and realizes that tack crosspointer carves hole function, meanwhile, transmission shaft by drive rod 75, Jackshaft 73, taking-up frame 71 and take-up roller 72 drive thread take-up tension lever I and thread take-up tension lever III to swing up and down progress sky and choose.

In the present embodiment, eedle is still arranged in the bottom end of shank II 312 and shank IV 322, and needle bar frame 2 moves in X direction After distance L, the convex block on shank II and shank IV is plugged together respectively in the groove on two needle bar drivers, two take-up rollers It is located in the open slot of IV rear end of thread take-up tension lever II and thread take-up tension lever.When transmission shaft 15 rotates, pass through the second cam, drive rod 75, jackshaft 73, taking-up frame 71 and take-up roller 72 drive thread take-up tension lever II and thread take-up tension lever IV to swing up and down carry out take-up, meanwhile, Transmission shaft drives shank II and shank IV to move up and down and realizes tack embroidery by the first cam and transmission mechanism.

The other structures of the present embodiment two are identical as the structure in above-described embodiment one, no longer repeat one by one herein.

It is understood that " the tack carving hole " in the present embodiment refers to that head carries out head away from the carving hole for 55mm.

It is understood that the eedle in the present embodiment on shank II 312 and shank IV 322 is also replaced by carving hole needle, At this point, hole needle is carved in the bottom end whole installation of shank I, shank II, shank III and shank IV, transmission shaft drives the first take-up when rotating Bar and the second thread take-up tension lever carry out sky and choose, and are implemented in combination with tack pair by the combination of shank I and shank III, shank II and shank IV Needle carves hole.

It is understood that the present embodiment can also install carving hole needle, needle in the bottom end of shank II 312 and shank IV 322 Eedle is installed in the bottom end of bar I and shank III, at this point, carving hole by the tack crosspointer that is implemented in combination with of shank II and shank IV, passes through Shank I and shank III are implemented in combination with plain embroidery.

Embodiment three

As shown in figure 12, it is in place of the utility model embodiment three and the difference of above-described embodiment one, the first shank 31 Only setting one, the second shank 32 also only be arranged one, the first shank, every head embroidered needle bar 33, carving hole shank 34, the second shank edge X-direction is sequentially distributed from front to back on needle bar frame 2.Correspondingly, the first thread take-up tension lever 61 and the second thread take-up tension lever 62 are also only arranged one Root.

Under initial position, head carries out plain embroidery, and the convex block on the first shank 31, the second shank 32 plugs together and two respectively In groove 41 on a needle bar driver 4, the first shank and the second shank combine and carry out monochromatic plain embroidery.

Head needs to carry out when head is embroidered, and needle bar frame advances certain distance in X direction, makes to plug together every head embroidered needle bar 33 in a left side In groove 41 on side needle bar driver 4, the first shank, carving hole shank and the second shank on convex block in the X direction with the right side There are spacing between groove on the needle bar driver of side, i.e., other shanks are staggered in the X direction with right side needle bar driver, right side Needle bar driver be in light condition.

In order to avoid needle bar frame 2 caused by the excessive needle bar driver cooperation on adjacent head of shift motion because interfering, carve Kong Shi, needle bar frame plug together the convex block 381 carved on hole shank 34 in right side needle bar driver 4 along the reverse movement certain distance of X On groove 41 in, the first shank, every the convex block on head embroidered needle bar and the second shank in the X direction with left side needle bar driver On groove between there are spacing, i.e., other shanks are staggered on the direction of X with left side needle bar driver, the driving of the shank in left side Device is in light condition.

The job site situation of needle bar frame 2 is not necessarily to according to gradually carrying out the step of above-mentioned record, can be according to specific work It is required arbitrary switch location status.Transmission shaft 15, which drives in each shank, the movement of thread take-up tension lever movement and above-described embodiment one, to be remembered What is carried is identical, no longer repeats one by one herein.

In the present embodiment, for each shank of reasonable Arrangement, the first shank 31, every head embroidered needle bar 33, carving hole shank 34 and the Two shanks 31 are equidistantly set on needle bar frame 2.

The other structures of the present embodiment three are identical as the structure in above-described embodiment one, no longer repeat one by one herein.

It is understood that the position of the present embodiment interval head embroidered needle bar 33 and the position of carving hole shank 34 can be interchanged.

It is understood that tack carving hole function also may be implemented in the head of the present embodiment, at this point, by the first shank and the Eedle on two shanks is replaced with carving hole needle, and the convex block on the first shank and the second shank is plugged together respectively in two needle bar drivers On groove in, do not threaded on the first thread take-up tension lever and the second thread take-up tension lever.When transmission shaft rotates, two needle bar drivers drive first Shank and the second shank move up and down the tack carving hole realized to fabric, and two take-up rollers drive the first thread take-up tension levers and second to choose Line bar carries out sky and chooses.

In addition to above preferred embodiment, for the utility model there are also other embodiments, those skilled in the art can root It is made various changes and modifications according to the utility model, without departing from the spirit of the utility model, should belong to the utility model Range defined in claims.

Claims (10)

1. a kind of machine head of embroidery machine, the needle bar frame including casing and on casing, needle bar frame can be relative to casing transverse reciprocatings It is mobile, which is characterized in that the needle bar frame is equipped with the first shank, the second shank, every on head embroidered needle bar and carving hole shank, casing If there are two needle bar drivers；Head is in be carved under the state of hole every head, one of needle bar driver driving carving hole shank, another Needle bar driver and the first shank, the second shank are staggered and in zero load on the moving direction of needle bar frame every head embroidered needle bar； Head is in every under head embroidery state, and one of needle bar driver driving is every head embroidered needle bar, another needle bar driver and the first needle Bar, the second shank, carving hole shank are staggered and in zero load on the moving direction of needle bar frame.

2. machine head of embroidery machine according to claim 1, which is characterized in that first shank includes shank I and shank II, Second shank includes shank III and shank IV, shank I, shank II, every head embroidered needle bar, carving hole shank, IV edge of shank III and shank The moving direction of needle bar frame is sequentially arranged on needle bar frame from back to front or from front to back.

3. machine head of embroidery machine according to claim 2, which is characterized in that the shank I, shank II, every head embroidered needle bar, carving Hole shank, shank III and shank IV are equidistantly set on needle bar frame.

4. machine head of embroidery machine according to claim 1, which is characterized in that first shank is equipped with one, the second shank Equipped with one, the first shank is set to needle bar frame along the moving direction of needle bar frame every head embroidered needle bar, carving hole shank and the second shank On.

5. machine head of embroidery machine according to claim 4, which is characterized in that first shank, every head embroidered needle bar, carving hole needle Bar and the second shank are equidistantly set on needle bar frame.

6. machine head of embroidery machine according to claim 1, which is characterized in that first shank and the second shank are equipped with and use In the eedle of embroidery, head has plain embroidery state, and head is under plain embroidery state, and two needle bar drivers respectively drive the first needle Bar and the second shank；Alternatively, first shank and the second shank are equipped with the carving hole needle for carving hole, head is carved with tack Hole state, head are under tack carving hole state, and two needle bar drivers respectively drive the first shank and the second shank.

7. machine head of embroidery machine according to claim 1, which is characterized in that the casing be equipped with two guiding axis, two Needle bar driver is sheathed on respectively on two guiding axis, and needle bar driver can move back and forth along the axial direction of guiding axis.

8. machine head of embroidery machine according to claim 7, which is characterized in that be additionally provided on the casing for driving shank to drive The first cam that dynamic device moves back and forth along the axial direction of guiding axis, is equipped with transmission mechanism between the first cam and needle bar driver.

9. machine head of embroidery machine according to claim 1-8, which is characterized in that the top of the needle bar frame be equipped with First shank, the second shank embroider thread take-up tension lever, casing every corresponding first thread take-up tension lever of head embroidered needle bar, the second thread take-up tension lever, every head It is equipped with taking-up frame, sets that there are two take-up rollers on taking-up frame；One of take-up roller with every head embroider thread take-up tension lever cooperation when, separately One take-up roller and the first thread take-up tension lever, the second thread take-up tension lever are staggered on the moving direction of needle bar frame and in zero loads.

10. a kind of multi-function embroidery machine, including rack, which is characterized in that the rack is equipped with multiple the claims 1-9 Described in any item machine head of embroidery machine.