CN208279840U - A kind of machine head of embroidery machine and with the embroidery machine for embroidering function every head - Google Patents

Abstract

The utility model discloses a kind of machine head of embroidery machine and with the embroidery machine for embroidering function every head, belong to embroidery machine field, head includes casing and the needle bar frame on casing, needle bar frame can be moved back and forth relative to casing, needle bar frame is equipped with the first shank, the second shank and every head embroidered needle bar, needle bar driver there are two being set on casing, when head embroidered needle bar, 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 for one of needle bar driver driving.Combining on adjacent head every head embroidered needle bar can embroider without realizing in the case where shutting down part head every head, enrich the embroidery function of head.Due to realizing clutch with by the way of shank dislocation on the moving direction of needle bar frame using needle bar driver, without the driving member for adding electromagnet on head and driving needle bar driver to rotate under the drive of electromagnet, is conducive to simplify the structure of head, reduces the assembling time-consuming of head and the production cost of control head.

Description

A kind of machine head of embroidery machine and with the embroidery machine for embroidering function every head

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 embroidering the embroidery machine of function every head using having for such head.

Background technique

The embroidery head of the head of common embroidery machine during the work time is away from being usually fixed, if thinking the thorn of adjustment embroidery machine Head is embroidered away from needing to shut down the part head on embroidery machine, such as shut down the head of 1,3,5,7 odd bits, it is even to pass through 2,4,6,8 etc. The head of numerical digit realizes purpose of the double head away from embroidery, 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 working performance to embroidery machine and working efficiency make At 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.

Utility model content

In order to solve above-mentioned shortcoming and defect existing in the prior art, the utility model provides one kind without electricity The machine head of embroidery machine embroidered every head can be realized in magnet.

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, and needle bar frame is equipped with the first shank, the second shank and embroiders every head Shank is set on casing there are two needle bar driver, one of them described needle bar driver driving is when head embroidered needle bar, another shank Driver and the first shank, the second shank are staggered on the moving direction of needle bar frame and in zero loads.

Preferably, first shank includes shank I and shank II, and the second shank includes shank III and shank IV, shank I, shank II, be sequentially arranged on needle bar frame every head embroidered needle bar, shank III and shank IV.

Preferably, the shank I, shank II, every head embroidered needle bar, shank III and shank IV along needle bar frame moving direction from It is sequentially arranged on needle bar frame after forward direction, the center between shank I and shank II is away from for S1, between head embroidered needle bar and shank II Center is away from for L1, L1=S1；Alternatively, the shank I, shank II, every head embroidered needle bar, shank III and shank IV along the shifting of needle bar frame Dynamic direction is sequentially arranged on needle bar frame from back to front, and the center between shank III and shank IV is away from for S2, every head embroidered needle bar and needle Center between bar III is away from for L2, L2=S2.

Preferably, first shank is equipped with one, and the second shank is equipped with one, the first shank, every head embroidered needle bar and the Two shanks are sequentially arranged on needle bar frame.

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

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, circumferential position limiting structure is equipped between the needle bar driver and guiding axis.

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 improves the structure of existing machine head of embroidery machine, in head On added every combine on head embroidered needle bar, adjacent head every head embroidered needle bar can be without realize in the case where shutting down part head It is embroidered every head, enriches the embroidery function of head.

Head carries out when head is embroidered, and a needle bar driver is used to drive every head embroidered needle bar back and forth with every the cooperation of head embroidered needle bar Embroidery is realized in movement, and another needle bar driver is staggered on the moving direction of needle bar frame with other shanks, is realized and other needles Transmission separation between bar, is in light condition when another needle bar driver moves back and forth, not will drive the operation of other shanks, keep away Exempt to impact to every head embroidery.Due to using needle bar driver corresponding with shank or dislocation side on the moving direction of needle bar frame Formula realizes clutch, without the transmission for adding electromagnet on head and driving needle bar driver to rotate under the drive of electromagnet Part 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 for when embroidering, shank I and shank III to 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.

3, when the first shank and the second shank use double needle configuration, shank I, shank II, every head embroidered needle bar, shank III and needle Bar IV is sequentially arranged on needle bar frame from front to back or from back to front, and the arrangement position of each shank is rationally arranged, avoids shank in machine Head, which carries out a certain embroidery work phase, mutually interferes, and better meets the job requirement of head.

L1=S1, alternatively, L2=S2, required moving distance is identical when needle bar frame switching position state, convenient for accurate control The shift motion of needle bar frame better meets the job requirement of head.

4, when installing eedle on the first shank and the second shank, the first shank and the second shank are implemented in combination with tack embroidery function Energy.On first shank and the second shank when installation carving hole needle, the first shank and the second shank are implemented in combination with tack carving hole function.When It, can be to install carving hole on one group of corresponding shank wherein when first shank and the second shank are respectively set two or two or more Shank, eedle is installed on other corresponding shanks, and head can realize that tack carves hole embroidery function.In this way, further enriching machine Achievable work purpose, can better meet job requirement.

5, two guiding axis are set on casing, and two needle bar drivers are sheathed on respectively on two guiding axis, shank driving Device can move back and forth along the axial direction of guiding axis, and drive corresponding shank to move up and down and realize plain embroidery or every head embroidery or tack carving Hole.Since transmission separation is realized between needle bar driver and each shank by way of being staggered on the moving direction in needle bar frame, Needle bar driver under the driving of electromagnet relative to guiding axis without rotating, also just without installing on needle bar driver Torsional spring for driving needle bar driver to reset is conducive to the structure for simplifying needle bar driver and assembling difficulty.

6, embroidery is carried out due to needle bar driver or need to only moved back and forth i.e. along the axial direction of guiding axis when head is embroidered or carves hole Can, it is not necessary that the rotation in circumferential direction occurs relative to guiding axis, circumferential position limiting structure is set between needle bar driver and guiding axis Be conducive to improve stability when needle bar driver moves back and forth, and then be conducive to improve stabilization when each shank moves back and forth Property.

7, for driving two take-up rollers of each thread take-up tension lever movement to be installed on same taking-up frame, head carries out plain embroidery When, two take-up rollers cooperate with the first thread take-up tension lever and the second thread take-up tension lever respectively, are rolled by two take-ups on same taking-up frame Son 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 requires.Machine Head carries out when head is embroidered, and a take-up roller embroiders thread take-up tension lever cooperation with every head, and another thread take-up tension lever is on the moving direction of needle bar frame It is staggered with other two thread take-up tension levers, avoids carrying out unnecessary take-up, to avoid causing to interfere to every head embroidery.

The utility model additionally provides a kind of embroidery machine with every head embroidery function, including rack, the rack are equipped with The machine head of embroidery machine of multiple above-mentioned records, being implemented in combination on adjacent head every head embroidered needle bar are embroidered every head.The utility model provides Embroidery machine use the machine head of embroidery machine of above-mentioned record, so that embroidery machine is simultaneously met plain embroidery, embroidered and tack carving hole every head Job requirement can better meet the market demand.

Detailed description of the invention

Fig. 1 is the schematic diagram of housing part in one machine head of embroidery machine of the utility model embodiment；

Fig. 2 is the schematic diagram of needle bar frame 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 three machine head of embroidery machine of the utility model embodiment in initial position lower needle bar driver and each shank Between position view；

Figure 12 is four machine head of embroidery machine of the utility model embodiment in initial position lower needle bar driver and each shank Between transmission schematic diagram；

Figure 13 is the cross-sectional view of guiding axis and needle bar driver edge axial direction in five machine head of embroidery machine of the utility model embodiment.

In figure, 1- casing, 11- guiding axis, 111- limit rib, 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, 33- are driven every head embroidered needle bar, 34- eedle, 35- presser feet, 351- sliding block, 352- transition plates, 353- pressure foot, 36- Part, 361- convex block, 37- needle folder, the first spring of 381-, 382- second spring, 39- stop screw, 4- needle bar driver, 41- are recessed Slot, 42- limiting slot, 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, 71- taking-up frame, 72- take-up roller, 73- jackshaft, the second cam of 74-, 741- driving groove, 75- every head 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 and Figure 2, the utility model embodiment one provide machine head of embroidery machine, including casing 1 and be set to casing On needle bar frame 2, needle bar frame can be moved back and forth relative to casing, and needle bar frame is equipped with the first shank 31, the second shank 32 With every being set on head embroidered needle bar 33, casing there are two needle bar driver 4.One of driving of needle bar driver 4 is every head embroidered needle bar 33 When, another needle bar driver and the first shank 31, the second shank 32 are staggered and in sky on the moving direction of needle bar frame 2 It carries.

Machine head of embroidery machine provided in this embodiment improves the structure of existing machine head of embroidery machine, adds on head If can be without realizing in the case where shutting down part head every head every being combined every head embroidered needle bar on head embroidered needle bar, adjacent head It embroiders, enriches the embroidery function of head.Due to corresponding or wrong with shank on the moving direction of needle bar frame using needle bar driver The mode of position realizes clutch, without adding electromagnet on head and driving needle bar driver to rotate under the drive of electromagnet Driving member is conducive to simplify the structure of head, reduces the assembling time-consuming of head and the production cost of control head.

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.Machine When head carries out plain embroidery, shank I 311 and shank III 321 wear the yarn of same color, and shank II 312 and shank IV 322 are worn another The yarn of kind of color realizes on same head double-colored embroidery purpose in the case of two groups of crosspointers embroidery, is conducive to abundant embroidery flower pattern Color.

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 is moved forward relative to casing, the direction for being reversed needle bar frame and moving backward reset relative to casing of X.Needle Bar I 311, shank II 312, every head embroidered needle bar 33, shank III 321 and shank IV 322, right-to-left is sequentially arranged in shank in X direction On frame 2, i.e., shank I, shank II, every head embroidered needle bar, shank III and shank IV along needle bar frame moving direction from front to back successively On needle bar frame.

The present embodiment is illustrated so that plain embroidery head is away from for 55mm as an example, and 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, the center between shank I and shank III away from W1, shank II and shank IV it Between center away from W2 be 55mm.There are problems that interference when being mounted on the rack in view of head, needs to reserve certain remaining Amount, the width W of single needle bar frame 2 in the direction of movement is set as 107mm, for each shank of reasonable Arrangement, shank I 311 and needle Center between bar II 312 is away from the center between S1, shank III 321 and shank IV 322 away from being 15mm, shank I and needle bar frame Interval S 4 on the left of interval S 3, shank IV between outer right wall and needle bar frame between outer wall is 18.5mm.For the ease of control The stroke that moves every time of system control needle bar frame, center between head embroidered needle bar 33 and shank II 312 away from L1 and shank I 311 and Center between shank II 312 is equal away from S1, i.e., L1 is set as 15mm, the center between head embroidered needle bar 33 and shank III 321 It is set as 25mm away from L2, the center between head embroidered needle bar 33 on two neighboring head is away from as 110mm.

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 It is respectively and fixedly provided with every the bottom end of head embroidered needle bar 33 for embroidery machine needle 34.In order to compress fabric, each shank in plain embroidery or when head is embroidered On be equipped with presser feet 35.

As shown in figure 4, the substantially intermediate position of each shank is equipped with driven member 36, driven member is equipped with towards shank The convex block 361 that driver 4 protrudes.In order to make driven member 36 keep stablizing on shank, it is additionally provided with to be located on each shank and is driven Needle folder 37 above moving part.The top of presser feet 35 is fixed with sliding block 351, and the substantially intermediate position of presser feet, which is equipped with, is used for transition and water The transition plates 352 of flat setting, equipped with pressure foot 353 horizontal after bending, pressure foot is equipped with and wears for eedle 34 for the bottom end of presser feet The hole crossed.The top of presser feet 35 is set on shank by sliding block 351, and the bottom end of shank passes through the transition plates at position among presser feet 352.It is further fixed on one piece of limit plate on the trailing flank of needle bar frame, limit plate, which is equipped with, vertically to be opened up and a pair of with each shank one The sliding slot answered, the convex block on each shank, which is inserted into corresponding sliding slot, realizes limit.

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 381 and second spring 382.First spring 381 is sheathed on the intermediate position of shank, and the bottom end of the first spring is supported In on sliding block 351, top is butted in driven member 36.Second spring 382 is sheathed on the top of shank, and the top of shank is fixed with For the stop screw 39 of limit spring, the bottom end of second spring 382 is butted on upper beam 21, and top is butted on stop screw 39 On.

In conjunction with Fig. 1 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 361, 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 361.

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.

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 Take-up roller 72 flat and being mounted side by side.The top of casing 1 is equipped with jackshaft 73 that is axial horizontal and can rotating relative to casing, The rear end fixing sleeve of taking-up frame 71 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, take-up roller cannot drive thread take-up tension lever rotation by link block, thus can not achieve take-up movement.Need take-up When, link block is in the unlocked state, and take-up roller can drive thread take-up tension lever to swing by link block, completes take-up movement.

In order to drive taking-up frame 71 to swing back and forth by jackshaft 73, head further includes the second cam 74 and drive rod 75. For second cam, 74 fixing sleeve loaded on transmission shaft 15, the second cam is equipped with the driving groove 741 of abnormity, and one end of drive rod 75 is solid Surely it is set on jackshaft 73, the other end passes through the driving with driving groove cooperation by the second cam 74.In the present embodiment, drive rod 75 other end is equipped with to be set in driving groove with the matched roller 76 of driving groove 741, roller.Second cam 74 passes through driving groove 741 and roller 76 cooperation drive drive rod 75 move, drive rod move when drive jackshaft 73 rotate, jackshaft rotate when band Dynamic taking-up frame 71 is swung up and down, and taking-up frame drives corresponding thread take-up tension lever to swing up and down by take-up roller 72, in plain embroidery or every head Take-up is realized when embroidery.

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 embroidery machine with every head embroidery function, including rack, rack are equipped on multiple The machine head of embroidery machine that power is recorded is stated, being implemented in combination on adjacent head every head embroidered needle bar is embroidered every head.In the present embodiment, set in rack There is horizontally disposed and elongated fixed arm, multiple heads are fixed in side by side on the fixed arm along the length direction of fixed arm.

As shown in figure 8, head carries out plain embroidery under initial position, the convex block 361 on shank I 311 is plugged together in right side needle In groove 41 on bar driver 4, the convex block on shank III 321 is plugged together in the groove on the needle bar driver of left side.Wherein one A take-up roller 72 is stuck in the open slot 25 of I 611 rear end of thread take-up tension lever, another take-up roller is stuck in III 621 rear end of thread take-up tension lever Open slot in.Transmission shaft 15 rotates, and drives two shank drivings by the first cam, big connecting rod, three connecting rods and small rod Device 4 is moved up and down along the axial direction of guiding axis, and two needle bar drivers drive shank I is synchronous with shank III to move back and forth up and down.Together When, transmission shaft 15 is driven by the second cam, ball, drive rod, jackshaft and taking-up frame and is chosen on two take-up rollers, and two are chosen Line roller drives thread take-up tension lever I and thread take-up tension lever III to complete take-up movement respectively, to realize embroidery purpose.At this point, due to I He of shank Center between shank III is 55mm away from W1, and the head of embroidery is away from as 55mm.After completing take-up, embroidery work, transmission shaft driving Corresponding shank, thread take-up tension lever reset, and then carry out next take-up, embroidery movement, and so on.

As shown in figure 9, needle bar frame 2 is in first position state from after initial position in X direction moving distance S1, this When, the convex block on shank II 312 is plugged together in the groove 41 on right side needle bar driver 4, the convex block on shank IV 322 plug together in In groove on the needle bar driver of left side.Meanwhile one of take-up roller 72 is stuck in the open slot 25 of II 612 rear end of thread take-up tension lever Interior, another take-up roller is stuck in the open slot of IV 622 rear end of thread take-up tension lever.When transmission shaft rotates, thread take-up tension lever II and thread take-up tension lever IV carries out take-up, and shank II and shank IV move up and down realization embroidery.Since the center between shank II and shank IV is away from W2 55mm, for embroidery head away from being also 55mm, movement when specific movement is embroidered with above-mentioned shank I, shank III is identical, no longer superfluous It states.

As shown in Figure 10, needle bar frame 2 is in second position state from after first position state in X direction moving distance L1, At this point, plugging together every the convex block on head embroidered needle bar 33 in the groove 41 on right side needle bar driver 4, shank I, shank II, shank III and shank IV on convex block there are spacing between the groove on the needle bar driver of left side in the X direction, i.e. other shanks On convex block be staggered in the X direction with the groove on the needle bar driver of left side, the needle bar driver in left side is in light condition.Phase Answer, on taking-up frame 71 right side take-up roller 72 be stuck in every head embroider 63 rear end of thread take-up tension lever open slot 25 in, the take-up in left side There is spacing between roller and the first thread take-up tension lever and the open slot of the second take-up rod rear end, the take-up roller in left side is in zero load State.When transmission shaft rotates, is driven by the second cam, drive rod, jackshaft, taking-up frame and the take-up on right side roller and embroidered every head Thread take-up tension lever swings up and down realization take-up, while being driven every head embroidered needle bar by the first cam and transmission mechanism relative on needle bar frame Embroidery is realized in lower movement.At this point, on adjacent head two centers between head embroidered needle bar 33 are realized double away from for 110mm Head away from every head embroider function.

When needing to carry out plain embroidery after the completion of embroidering every head, needle bar frame 2 is reset to a certain location status i.e. along the reverse movement of X It can.Needle bar frame can be moved to appointing in initial position, first position state and second position state according to embroidery purpose One location status, the movement of needle bar frame are not necessarily to be required according to specific embroidery according to gradually carrying out the step of above-mentioned record Arbitrarily 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 refer both to head carry out single times of head away from thorn It embroiders, specific to i.e. progress head in the present embodiment away from the embroidery for 55mm." every head embroider " refer to head carry out double head away from embroidery, tool Body carries out head into the present embodiment 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, at this point, needing movement when being moved to second position state from first position state Distance is L2.

It is understood that the embroidery head of head is away from embroidering head away from being not limited to above-mentioned note with every head in the present embodiment It carries, the spacing between the width of needle bar frame, adjacent shank is also not limited to above-mentioned record, between the width of needle bar frame, shank 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 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 the setting position of the present embodiment interval head embroidered needle bar 33 is not limited to be set to the first shank 31 And second between shank 32, can also be set to the side of the first shank and the second shank.Specifically, the first shank 31, second It shank 32 and can be sequentially arranged on needle bar frame from front to back in X direction every head embroidered needle bar 33, alternatively, the first shank, the second needle It bar and is sequentially arranged on needle bar frame from back to front every head embroidered needle bar along the direction of X, between the specific setting position of shank, each shank Center away from being arranged according to embroidery head away from the reasonable wide of, needle bar frame in X direction.

" 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.

Tack carving hole function may be implemented in head, at this point, the convex block on shank I and shank III is plugged together respectively in two shanks In groove 41 on driver 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, drives shank I and shank III to move up and down by the first cam and transmission mechanism and realize tack crosspointer carving Hole, meanwhile, transmission shaft drives thread take-up tension lever I and thread take-up tension lever by the second cam, drive rod, jackshaft, taking-up frame and take-up roller III, which swings up and down progress sky, chooses.

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 S1, the convex block on shank II and shank IV is plugged together respectively in the groove on two needle bar drivers, and two take-ups roll Son 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, transmission Bar, jackshaft, taking-up frame and take-up roller 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 It drives shank II and shank IV to move up and down by the first cam and transmission mechanism and realizes tack embroidery.

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 refer to head carry out single times of head away from carving hole, specific to this Head is carried out in embodiment away from the carving hole for 55mm.

It is understood that the eedle in the present embodiment on shank II and shank IV is also replaced by carving hole needle, at this point, needle Bar I, shank II, shank III and shank IV the whole installation carving hole needles in bottom end, transmission shaft drives the first thread take-up tension lever and the when rotating Two thread take-up tension levers carry out sky and choose, and are implemented in combination with tack crosspointer carving by the combination of shank I and shank III, shank II and shank IV Hole.

It is understood that the present embodiment can also install carving hole needle in the bottom end of shank II and shank IV, in I He of shank Eedle is installed in the bottom end of 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 Plain embroidery is implemented in combination with shank III.

Embodiment three

As shown in figure 11, it is in place of the utility model embodiment three and the difference of above-described embodiment one, needle bar frame 2 is opposite It is moved left and right in casing 1, and direction shown in X ' is the direction that needle bar frame advances relative to casing in figure, X's ' is reversed needle bar frame The direction of reset is moved back relative to casing.

At this point, shank I 311, shank II 312, every head embroidered needle bar 33, shank III 321 and shank IV 322 along needle bar frame 2 from A dextrad left side is sequentially arranged on needle bar frame 2, i.e., shank I, shank II, every head embroidered needle bar, shank III and shank IV along needle bar frame advance When moving direction X ' be sequentially arranged on needle bar frame from back to front.It center between shank III and shank IV is embroidered away from for S2 every head Center between shank and shank III is away from for L2, L2=S2.

Still by taking 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 the present embodiment 312 and shank IV 322 combine and carry out plain embroidery, center between shank I and shank III is away between W1, shank II and shank IV The heart is 55mm away from W2.The single width W of needle bar frame 2 in the direction of movement is set as 107mm, shank I 311 and shank II 312 Between center away from the center between S1, shank III 321 and shank IV 322 away from being 15mm, shank I and needle bar frame outer right wall Between interval S 3, the interval S 4 on the left of shank IV and needle bar frame between outer wall be 18.5mm.Every head embroidered needle bar 33 and shank Center between III 321 is set as 15mm away from L2, and the center between head embroidered needle bar 33 and shank II 312 is set as 25mm away from L1, The center between head embroidered needle bar 33 on two neighboring head is away from as 110mm.

Movement when head works is roughly the same with the record in above-described embodiment one, no longer describes one by one herein, distinguishes It is, needle bar frame 2 is mobile relative to the advance of casing 2 along the direction X ', and needle bar frame retreats again along the reverse movement of X ' relative to casing Position.

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.

Example IV

As shown in figure 12, it is in place of the utility model embodiment four and the difference of above-described embodiment one, the first shank 31, Second shank 32 is provided only with one, and head carries out realizing monochromatic embroidery when plain embroidery.

In the present embodiment, the first shank 31, the second shank 32 and needle bar frame 2 is sequentially arranged in every 33 right-to-left of head embroidered needle bar On, advance when being moved in X direction due to needle bar frame relative to casing 1, retreat and reset relative to casing when along the reverse movement of X, That is the first shank is sequentially arranged on needle bar frame every head embroidered needle bar and the second shank along the direction of advance of needle bar frame from front to back.

Three shank spaced sets in the present embodiment, i.e. the first shank 31 and the center between head embroidered needle bar 33 away from L1 and the center between head embroidered needle bar and the second shank 32 are equal away from L2.By taking plain embroidery head is away from for 55mm as an example, needle bar frame is along the side X To width be 107mm, it is 27.5mm that the center between the first shank and the second shank, which is 55mm, L1 and L2 away from W1, In embodiment, the interval S 3 between the first shank and needle bar frame right side is still set as 18.5mm, and the second shank and needle bar frame are left Interval S 4 between end face is set as 33.5mm.

Under initial position, two needle bar drivers 4 respectively drive the first shank 31 and the second shank 32 realizes plain embroidery. Need when head is embroidered, needle bar frame advances L1 in X direction, every on head embroidered needle bar 33 convex block with it is recessed on right side needle bar driver 4 Slot plugs together, and there are spacing, i.e., first between the groove on the first shank and the convex block on the second shank and left side needle bar driver Convex block on shank and the second shank is staggered in the X direction with the groove on the needle bar driver of left side, the needle bar driver in left side In light condition.When transmission shaft 15 rotates, right side needle bar driver is driven every head embroidered needle bar 33 relative to moving down on needle bar frame 2 Dynamic, the first shank and the second shank are remained stationary relative to needle bar frame, being implemented in combination with every head embroidered needle bar every head on adjacent head It embroiders.

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

It, can be with 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 It is arranged according to the reasonable wide of needle bar frame.

It is understood that three shanks in the present embodiment can also using it is non-equidistantly arrange by the way of, i.e., it is adjacent Center between shank according to Rational Parameters such as width, the plain embroidery spacing of needle bar frame away from can be arranged.

It is understood that before the needle bar frame 2 in the present embodiment can also be realized along the reverse movement of X relative to casing 1 Into, and mobile realize retreats reset relative to casing in X direction.

It is understood that plain embroidery head in the present embodiment is not limited away from numerical value such as, needle bar frame width by above-mentioned record, Can rationally it be arranged according to the specific requirement of embroidery.

Embodiment five

It is in place of the present embodiment five and the difference of above-described embodiment one, since needle bar driver 4 only need to be along guiding axis 11 Axial direction move back and forth, in order to improve stability when needle bar driver moves back and forth, needle bar driver and guiding axis 11 it Between circumferential position limiting structure is set.

As shown in figure 13, circumferential position limiting structure includes the limit rib 111 on the guiding axis 11 and is set to needle bar driver On limiting slot 42.Limit rib 111 is protruded outward along the axially extending of guiding axis 11 and relative to guiding axis, needle bar driver 4 It is equipped with the hole passed through for guiding axis, limiting slot 42 is set on hole wall and along the axially extending of hole.

It is realized between needle bar driver 4 and guiding axis 11 in the circumferential by the cooperation of limit rib 111 and limiting slot 42 Limit is conducive to improve stability when needle bar driver moves back and forth, and then is conducive to improve when each shank moves back and forth Stability.

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

It is understood that the setting position of limit rib and limiting slot can be interchanged in the present embodiment.

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 Mobile, needle bar frame is equipped with the first shank, the second shank and there are two needle bar driver, spies every setting on head embroidered needle bar, casing Sign is that one of them described needle bar driver driving is when head embroidered needle bar, another needle bar driver and the first shank, the second needle Bar is staggered on the moving direction of needle bar frame and in zero load；The needle bar driver is equipped with groove, the first shank, second Shank and every being equipped with driven member on head embroidered needle bar, driven member is equipped with the boss with matching grooves.

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, and shank I, shank II are sequentially arranged in shank every head embroidered needle bar, shank III and shank IV On frame.

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, needle Bar III and shank IV are sequentially arranged on needle bar frame from front to back along the moving direction of needle bar frame, between shank I and shank II in The heart is away from for S1, and center between head embroidered needle bar and shank II is away from for L1, L1=S1；Alternatively, the shank I, shank II, every head Embroidered needle bar, shank III and shank IV are sequentially arranged on needle bar frame from back to front along the moving direction of needle bar frame, shank III and shank Center between IV is away from for S2, and center between head embroidered needle bar and shank III is away from for L2, L2=S2.

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 sequentially arranged on needle bar frame every head embroidered needle bar and the second shank.

5. machine head of embroidery machine according to claim 4, which is characterized in that first shank, every head embroidered needle bar and second Shank is 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 1-6, which is characterized in that the casing is equipped with two guiding Axis, 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.

8. machine head of embroidery machine according to claim 7, which is characterized in that be equipped between the needle bar driver and guiding axis Circumferential position limiting structure.

9. machine head of embroidery machine according to claim 1-6, 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 with the embroidery machine for embroidering function every head, including rack, which is characterized in that the rack is equipped with multiple above-mentioned The described in any item machine head of embroidery machine of claim 1-9, being implemented in combination on adjacent head every head embroidered needle bar are embroidered every head.