CN205999607U - The frame driving lead rail of embroidery of computerized emboridering machine - Google Patents

Abstract

The utility model discloses a kind of frame driving lead rail of embroidery of computerized emboridering machine, including track base and driven pulley mechanism, the end of track base is fixed with adjustment block, and the both sides of adjustment block exceed mid portion and form two piece of first coordinating block；Driven pulley mechanism includes the bearing block being fixed in adjustment block, the bottom of bearing block extends downward with two piece second coordinating block corresponding with the first coordinating block position, after bearing block is installed on adjustment block, the end face of the second coordinating block is connected on the end face of the first coordinating block, bearing block in driven pulley mechanism is installed in the adjustment block of peripheral hardware, thus decreasing the problem of the installation accuracy difference brought by track base machining accuracy；And the first raised coordinating block of two pieces of the setting of adjustment block, at bearing block lower surface in driven pulley mechanism, the second coordinating block of setting is mutually abutted against with the first coordinating block, and the precision that improve whole driven pulley mechanism installation while reducing processing cost preferably ensures the depth of parallelism of Timing Belt.

Description

The frame driving lead rail of embroidery of computerized emboridering machine

Technical field

This utility model is related to embroidery machine, particularly to a kind of frame driving lead rail of embroidery of computerized emboridering machine.

Background technology

Computerized emboridering machine is the present age state-of-the-art machinery of embroidering, and it can make traditional craft embroidery obtain at high speed, efficiently The realization of rate, current computerized emboridering machine is to drive guide rail mechanism to realize conveying in X-axis and Y-axis for the cloth by X, Y-direction.

The current guide rail that drives just for example discloses one kind in notification number is for the utility model patent of CN 201082927Y " reinforced embroidering machine straight line driving guide rail ", including track base 6, preamble wheel 3, rear synchronizing wheel 11, Timing Belt 7, slider part 12 are each attached on track base 6 with trolley component 13, preamble wheel 3 and rear synchronizing wheel 11, rear synchronizing wheel 11 as drivewheel by Motor is driven and rotates the rotation being driven preamble wheel 3 by Timing Belt 7, and slider part 12 is connected with Timing Belt 7, trolley component 13 It is fixedly connected with slider part 12, thus drive reciprocatingly sliding of trolley component 13 next in the motor process of Timing Belt 7 simultaneously Realize reciprocatingly sliding of tabouret, realize the course of conveying of cloth.

And existing track base is generally aluminium section bar, formed by mould one extrusion stretching, its surface need through at Manage and to ensure flatness, the contiguous block in existing driven pulley mechanism is to be directly the passage being fixed by screws in track base Interior, such as, in above-mentioned patent document, preamble wheel 3 is arranged in front-end bearing pedestal 10, and front-end bearing pedestal 10 is fixed on slide block 8 Side, slide block 8 is fixed by screws in the passage of track base 6, because the machining accuracy problem of track base is so that preamble wheel 3 Certain difference in height can be produced with rear synchronizing wheel 11, the two ends after leading to Timing Belt to be installed produce difference in height after positioning is installed, and Even if the deviation of several also can affect precision during processing, reduce the quality of embroidery product.

Utility model content

The purpose of this utility model is to provide a kind of frame driving lead rail of embroidery of computerized emboridering machine, by set up adjustment block with from Driving wheel mechanism coordinates, and improves the precision of mating surface, to improve installation machining accuracy.

Above-mentioned technical purpose of the present utility model technical scheme is that：

A kind of frame driving lead rail of embroidery of computerized emboridering machine, including track base and driven pulley mechanism, the end of described track base It is fixed with adjustment block, the both sides of described adjustment block exceed mid portion and form two piece of first coordinating block；Described driven pulley mechanism bag Include the bearing block being fixed in adjustment block, the bottom of described bearing block extends downward with corresponding with the first coordinating block position Two piece of second coordinating block, after bearing block is installed on adjustment block, the end face of described second coordinating block is connected to the first coordinating block On end face.

By adopting technique scheme, the bearing block in driven pulley mechanism is installed in the adjustment block of peripheral hardware, thus subtracting Lack the problem of the installation accuracy difference brought by track base machining accuracy；And the both sides of adjustment block specially arrange two pieces of projections The first coordinating block, the end face of the first coordinating block is processed by shot blasting improve the flatness on surface, corresponding driven pulley mechanism On bearing block lower surface at the second coordinating block of setting mutually abut against with the first coordinating block, and the second coordinating block surface is equally thrown Optical processing improves surface smoothness it is only necessary to processing the first coordinating block and two end faces of the second coordinating block, is reducing processing The precision that improve whole driven pulley mechanism installation while cost preferably ensures the depth of parallelism of Timing Belt, improves processing essence Degree.

Preferably, the upper surface of described first coordinating block offers strip grooves, forms two in the both sides of strip grooves Divisional plane, is in the divisional plane inside strip grooves and abuts against as the end face of mating surface and the second coordinating block.

By adopting technique scheme, opening up of strip grooves changes so that originally needing to process the whole end face of the first coordinating block For only needing to process the mating surface of inner side, minimizing working (finishing) area can more preferably ensure that the flatness of mating surface improves further and join Close precision, and strip grooves open up the use improving the first coordinating block so that the first coordinating block has a more preferable anti-shearing force Life-span.

Preferably, the end on projection of described second coordinating block falls within mating surface.

By adopting technique scheme, the region area of mating surface is greater than the end face face of the second coordinating block on bearing block Long-pending, when bearing block can be made to be positioned in adjustment block, the end face of the second coordinating block can completely fall within mating surface, realizes joining Conjunction face is coordinated with face contact form with the end face of the second coordinating block, reduces extrusion abrasion between the two, it is to avoid produces and turns round Square, more preferably reaches quality of fit.

Preferably, described track base is equipped with line slideway.

By adopting technique scheme, also due to track base initial stage machining accuracy problem, in the design of mould not Guide rail is arranged on track base, but additional line slideway is so that the upper and lower ends face of whole line slideway energy can be carried out Polishing it is ensured that the flatness of end face, improves precision when line slideway is installed for the coaster, thus improve Timing Belt with cunning Precision during car cooperation, in conjunction with installation accuracy in driven pulley mechanism for the Timing Belt, preferably ensures Timing Belt in the horizontal plane Flatness.

Preferably, the upper surface of described track base is arranged at intervals with two the 3rd coordinating blocks along its length, described Line slideway opens up fluted along its length, and the both sides being in groove form corresponding with the 3rd coordinating block position two respectively 4th coordinating block, after line slideway is layed in track base, the 3rd coordinating block is abutted against with the both ends of the surface of the 4th coordinating block.

By adopting technique scheme, set up two pieces of the 3rd raised coordinating blocks so that straight line is led in track base upper surface The area of rail and track base bearing surface reduces, and only need to carry out surface polishing for the 3rd mating surface, same line slideway Upper two piece of the 4th coordinating block surface polishing being formed in groove both sides by opening up of groove, due to working (finishing) area Minimizing can more preferably improve the flatness after finished surface, and then improves the installation accuracy of Timing Belt.

Preferably, described driven pulley mechanism is provided with two two ends being respectively arranged on track base, described track base Middle part offers installation portion, and described installation portion is provided with driving wheel mechanism.

By adopting technique scheme, driving wheel mechanism is arranged on the middle part of track base, and the two ends in track base Two driven pulley mechanism of setting, improve driving power, adapt to work under different operating modes, and especially track base is slided when longer The larger situation of garage's journey, the driven pulley mechanism of the same design of track base two ends setting simultaneously, by mating surface and the second cooperation The flatness of block end face controls, and can guarantee that the centering of the driven pulley at track base two ends, preferably improves essence when Timing Belt is installed Degree.

Preferably, described driving wheel mechanism includes mounting seat, two regulation tensioning wheels located at mounting seat and master Driving wheel, two adjust the setting of tensioning wheel horizontal alignment, and drivewheel is in the lower section of two regulation tensioning wheels and is located at two regulations simultaneously On the perpendicular bisector of the tensioning wheel line of centres.

By adopting technique scheme, adjust tensioning wheel first is provided for the elastic of regulation Timing Belt, and adjusts The near middle that position is in track base so makes on regulating effect more preferably, as long as fine rotation adjusts tensioning wheel and can put The displacement of big Timing Belt can be understood as coarse adjustment, and regulated quantity is larger, and two adjust that tensioning wheel can operate simultaneously can also Monolateral operation, more flexibly.

Preferably, described regulation tensioning wheel includes a central shaft and is located in central shaft and solid with central shaft Fixed adjustment axis, described adjustment axis eccentric setting in central shaft.

By adopting technique scheme, adjust adjusting being located in of eccentric shaft in tensioning wheel central shaft, rotate and adjust Axle makes entirely to adjust tensioning wheel with the central shaft of adjustment axis for center of circle eccentric rotary, is located to drivewheel by extruding Timing Belt Perpendicular bisector direction draw close or away from realize compensating roller to Timing Belt, operation relatively simple.

Preferably, described driven pulley mechanism also includes a strainer, and described strainer includes being fixed on bearing Sliding shoe on seat, two pieces of fixed blocks being fixed in adjustment block and be threaded in adjusting screw rod on sliding shoe, two pieces It is additionally provided with connecting rod, described adjusting screw rod is connected radially across connecting rod and with connecting rod rotation between fixed block.

By adopting technique scheme, two driven pulley mechanism of track base two ends setting are respectively provided with a tensioning device Structure, this strainer, as the fine setting of Timing Belt adjusting elasticity, drives the cunning fixing with bearing block using rotating of adjusting screw rod Motion block, in the horizontal displacement of track base length direction, will not change the height change of Timing Belt, secondly adjusting screw rod and sliding shoe Between screw thread cooperation, the numerical values recited of pitch just controls to adjust the displacement that screw rod often rotates 1 ° of sliding shoe, by actively Preferably realize the compensating roller of Timing Belt being finely adjusted after coarse adjustment in wheel mechanism, improve the displacement accuracy of Timing Belt.

Preferably, form mounting groove between two piece of first coordinating block, in described mounting groove, interval sets in the width direction It is equipped with two long strip block, between described long strip block and the first coordinating block, forms storage tank, between two long strip block, form slippage slot, institute State fixed block to be placed in storage tank, described sliding shoe slides in slippage slot；It is equipped with screw, described fixation on described bearing block Screwed hole with screw thread cooperation is offered on block.

By adopting technique scheme, sliding shoe horizontally-guided in the slippage slot that two long strip block are formed slides, more It is stable, using adjusting screw, bearing block is joined with fixed block screw thread when the strainer in driven pulley mechanism does not need and uses Close fastened to each other, place maloperation it is ensured that the position after having adjusted does not change.

In sum, this utility model has the advantages that：

1st, in end peripheral hardware one adjustment block of track base, the bearing block in driven pulley mechanism is coordinated with adjustment block, by adjusting Mating surface in monoblock is mutually abutted against with the second coordinating block end face on bearing block, and combines in track base upper surface peripheral hardware Line slideway, also with mutually abutting against of the 3rd coordinating block and the 4th coordinating block both ends of the surface, is reducing the same of machined surface area Shi Tigao installation accuracy, thus can guarantee that the depth of parallelism of Timing Belt after Timing Belt is installed, improves the machining accuracy of embroidery machine；

2nd, track base two ends arrange two driven pulley mechanism, and driving wheel mechanism, located at the middle part of track base, increases Timing Belt Driving force, be applicable in the operating mode of Long travel；

3rd, in driving wheel mechanism, two regulation tensioning wheels of setting are arranged as the coarse adjustment of Timing Belt tensioning, in conjunction with driven In wheel mechanism, the strainer of setting, as fine setting, is realized the accurate tensioning to Timing Belt and is adjusted, improve machining accuracy.

Brief description

Fig. 1 is the structural representation driving guide rail；

Fig. 2 is the front view driving guide rail；

Fig. 3 is the schematic diagram of adjustment block and bearing block cooperation；

Fig. 4 is the exploded perspective view between each part of driven pulley mechanism and adjustment block；

Fig. 5 is the exploded perspective view of driving wheel mechanism；

Fig. 6 is the top view of driving wheel mechanism；

Fig. 7 is that in driving wheel mechanism, Timing Belt is in the state diagram adjusting tensioning wheel during relaxed state the most；

Fig. 8 is the schematic diagram of track base and line slideway cooperation；

Fig. 9 is tensioned to the state diagram adjusting tensioning wheel during maximum position for Timing Belt side；

Figure 10 is the front view driving guide rail in embodiment two.

In figure：1st, track base；11st, installation portion；12nd, the 3rd coordinating block；2nd, driven pulley mechanism；21st, bearing block；211st, second Coordinating block；22nd, driven pulley；23rd, bearing；24th, rotating shaft；25th, jump ring；26th, strainer；261st, fixed block；262nd, sliding shoe； 263rd, connecting rod；264th, adjusting screw rod；3rd, adjustment block；31st, the first coordinating block；311st, strip grooves；312nd, mating surface；321st, house Groove；32nd, long strip block；322nd, slippage slot；4th, Timing Belt；5th, driving wheel mechanism；51st, installing plate；511st, the second lock hole；52nd, adjust Section tensioning wheel；521st, central shaft；5211st, the first lock hole；522nd, adjustment axis；5221st, lock face；5222nd, spanner portions；53rd, main Driving wheel；54th, input shaft；55th, limit shaft；56th, mounting blocks；6th, coaster；7th, keel；8th, line slideway；81st, groove；82nd, the 4th Coordinating block；9th, screw.

Specific embodiment

Below in conjunction with accompanying drawing, this utility model is described in further detail.

Embodiment one

Referring to Fig. 1, a kind of frame driving lead rail of embroidery of computerized emboridering machine, including integrally formed track base 1, in track base 1 Be respectively fixed at two ends with adjustment block 3, every piece of adjustment block 3 is provided with driven pulley mechanism 2, is in the two of track base 1 two ends Individual driven pulley mechanism 2 mirror image setting；The medium position of track base 1 is provided with driving wheel mechanism 5, in driven pulley mechanism 2 and drivewheel It is provided with keel 7, keel 7 is fixing with track base 1, improves the height of track base 1 between mechanism 5；Track base 1 also spreads It is provided with line slideway 8, sliding on line slideway 8 has coaster 6, whole driving guide rail also includes a Timing Belt 4, Timing Belt 4 warp Cross two driven pulley mechanism 2, coaster 6 and driving wheel mechanism 5 head and the tail to connect is in closed state.

Referring to Fig. 2, the middle part of track base 1 offers a big breach and forms installation portion 11, above-mentioned driving wheel mechanism 5 Just it is located at installation portion 11.

In conjunction with Fig. 3 and Fig. 4, the above-mentioned driven pulley mechanism 2 being previously mentioned includes a bearing block 21, the company of rotation in bearing block 21 It is connected to driven pulley 22, the center of driven pulley 22 is equipped with a rotating shaft 24, rotating shaft 24 two is cased with bearing 23,23 points of two bearings It is not arranged on bearing block 21, and will be spacing for bearing 23 by jump ring 25.

It is additionally provided with a strainer 26 in the lower section of bearing block 21, this strainer 26 includes two fixed blocks 261, connects Connect a connecting rod 263 of two fixed blocks 261, be radially equipped with an adjusting screw rod 264, this tune in connecting rod 263 Section screw rod 264 is rotated with connecting rod 263 and is connected, and the threaded portion of adjusting screw rod 264 is connected with sliding shoe 262, sliding shoe 262 It is fixed at the lower surface of bearing block 21 by screw 9, whole strainer 26 is placed in adjustment block 3.

Adjustment block 3 is a cuboid, and in the raised formation in the both sides of one end the first coordinating block 31, and recess is formed for One mounting groove, strainer 26 is just placed in mounting groove, be provided with two parallel long strip block 32 in mounting groove, and Leave spacing between two long strip block 32, equally leave spacing between long strip block 32 and the first coordinating block 31, and then make first Form a storage tank 321 between coordinating block 31 and long strip block 32, between two long strip block 32, form slippage slot 322, strainer 26 In two fixed blocks 261 be placed in storage tank 321, sliding shoe 262 is placed in slippage slot 322, wherein fixed block 261 pass through spiral shell Nail 9 is fixing with adjustment block 3.

Referring specifically to Fig. 2, further from the point of view of bearing block 21 and adjustment block 3 installation relation between the two, join along first The length direction closing block 31 offers strip grooves 311 so that forming left and right two segmentation under the boundary of strip grooves 311 Face, the divisional plane positioned at strip grooves 311 inner side carries out surface polishing as a mating surface 312 and improves flatness；In bearing Being extended at the lower surface of seat 21 has two the second coordinating blocks 211, equally the end face of the second coordinating block 211 is carried out surface throwing Optical processing improves flatness, the set location in the position of two the second coordinating blocks 211 just corresponding matching face 312, and simultaneously second The area of coordinating block 211 is less than the area of mating surface 312 so that when the second coordinating block 211 abuts to mating surface 312, and The end face of two coordinating blocks 211 can fall completely within mating surface 312.

Referring to Fig. 5, above-mentioned driving wheel mechanism 5 includes a mounting seat, and mounting seat includes two pieces and has certain thickness peace Dress plate 51, leaves spacing and forms an installation region, be provided with two levels in this installation region between two pieces of installing plates 51 The regulation tensioning wheel 52 being set up in parallel and a drivewheel 53, drivewheel 53 is located at the lower section of two regulation tensioning wheels 52, with When be on the perpendicular bisector of two regulation tensioning wheel 52 line of centres, drivewheel 53 be provided centrally with an input shaft 54, input Axle 54 connects motor, drives the rotation of drivewheel 53 by input shaft 54.

In addition it is additionally provided with two pieces of mounting blocks 56 in installation region, the length of mounting blocks 56 is just the width of installation region Degree, mounting blocks 56 pass through screw 9 to be fixed thus fixing whole driving wheel mechanism 5 with track base 1.

Regulation tensioning wheel 52 is an eccentric, and its center is equipped with a central shaft 521, and central shaft 521 offers bias Hole, is equipped with adjustment axis 522 in eccentric in the hole, radially offers multiple first lock holes at central shaft 521 two 5211, this first lock hole 5211 connects the eccentric orfice at center；Multiple lock faces are offered on the circumference of adjustment axis 522 5221, after adjustment axis 522 are located in central shaft 521, the first lock hole 5211 on central shaft 521 just to lock face 5221, First lock hole 5211 is threadedly connected to by screw 9 and abuts on lock face 5221 so that central shaft 521 and adjustment axis 522 Synchronous axial system.

Referring to Fig. 6, the centrage for being better understood from defining central shaft 521 is A, and the centrage of adjustment axis 522 is B, can Do not overlapped between centrage A and centrage B with seeing, that is, adjust the bias that tensioning wheel 52 is with centrage B as rotary shaft Wheel.

The upper end surface of installing plate 51 offers the second lock hole 511, and two of adjustment axis 522 is all located in two pieces of installations On plate 51, wherein one is placed in outside installing plate 51, and, as the spanner portions 5222 of adjustment axis 522, the second lock hole 511 is just right for this The peripheral outer wall of adjustment axis 522, is threadedly connected to the second lock hole 511 using screw 9 and is outwards connected to the week of adjustment axis 522 Wall is spacing to the circumference of adjustment axis 522 to realize.

Referring to Fig. 7, the perpendicular bisector defining two regulation tensioning wheels 52 is C, and the center of drivewheel 53 is just at perpendicular bisector C On, Timing Belt 4 driving wheel mechanism 5 installation after, without back portion with teeth be wound on two adjust tensioning wheels 52 on, then with master Driving wheel 53 intermeshes.

It is additionally provided with two limit shafts 55 adjusting, Timing Belt 4 is in two limit shafts between tensioning wheel 52 and drivewheel 53 Between 55, limit shaft 55 is avoided that Timing Belt 4 is excessively lax and de- band situation occurs.

Referring to Fig. 8, it is convexly equipped with two the 3rd coordinating blocks 12, the 3rd coordinating block 12 in track base 1 upper surface mid portion End face carry out surface polishing and improve flatness, open up fluted at line slideway 8 lower surface being laid on track base 1 81, this groove 81 opens up along the length direction of line slideway 8, the both sides of groove 81 formed the 4th coordinating block 82, the same 4th The end face of coordinating block 82 carries out surface polishing and improves flatness, and line slideway 8 passes through many screws 9 to be fixed with track base 1, Its 4th coordinating block 82 of line slideway 8 after fixation mutually abuts against to the 3rd coordinating block 12 with track base 1.

When the tensioning needing to adjust Timing Belt 4, unclamp first on the second lock hole 511 being threaded in installing plate 51 Screw 9 so that adjustment axis 522 can be mounted opposite plate 51 rotates, using 5222 turns of spanner portions in spanner clamping adjustment axis 522 Dynamic adjustment axis 522, Timing Belt 4 moves regulation tensioning wheel 52 and rotates, and may refer to Fig. 9, and when adjusting, tensioning wheel 52 is inclined around adjustment axis 522 When the heart rotates, extruding Timing Belt 4 makes Timing Belt 4 from original D1 state to maximal regulated amount D2 state, Timing Belt 4 in hang down Preliminary tensioning is realized in drawing close of line C；It is rotated further by the adjusting screw rod 264 on strainer 26, drive sliding shoe 262 in slippage slot Slip in 322, thus driving bearing block 21 to slide away from track base 1 direction level, tension Timing Belt 4 realizes Timing Belt 4 Tensioning is finely tuned, as long as certainly if only needing to finely tune if that passes through strainer 26 and can realize.

Embodiment two

Referring to Figure 10, a kind of frame driving lead rail of embroidery of computerized emboridering machine, the difference with embodiment one is the two of track base 1 End is respectively provided with identical driven pulley mechanism 2 and common driving wheel mechanism 5 in embodiment one, and this driving guide rail is applied to short The embroidery machine of stroke.

This specific embodiment is only that it is not to restriction of the present utility model, ability to explanation of the present utility model Field technique personnel can make to the present embodiment after reading this specification as needed does not have the modification of creative contribution, but As long as all being protected by Patent Law in right of the present utility model.

Claims (10)

1. a kind of frame driving lead rail of embroidery of computerized emboridering machine, including track base（1）With driven pulley mechanism（2）It is characterised in that institute State track base（1）End be fixed with adjustment block（3）, described adjustment block（3）Both sides exceed mid portion formed two piece first Coordinating block（31）；Described driven pulley mechanism（2）Including being fixed on adjustment block（3）On bearing block（21）, described bearing block（21） Bottom extend downward with and the first coordinating block（31）Corresponding two piece of second coordinating block in position（211）, work as bearing block （21）It is installed on adjustment block（3）Afterwards, described second coordinating block（211）End face be connected to the first coordinating block（31）End face on.

2. the frame driving lead rail of embroidery of computerized emboridering machine according to claim 1 is it is characterised in that described first coordinating block （31）Upper surface offer strip grooves（311）, in strip grooves（311）Both sides formed two divisional planes, be in strip grooves （311）The divisional plane of inner side is as mating surface（312）With the second coordinating block（211）End face abut against.

3. the frame driving lead rail of embroidery of computerized emboridering machine according to claim 2 is it is characterised in that described second coordinating block （211）End on projection fall within mating surface（312）Interior.

4. the frame driving lead rail of embroidery of the computerized emboridering machine according to claim 1-3 any bar is it is characterised in that described guide rail Seat（1）On be equipped with line slideway（8）.

5. the frame driving lead rail of embroidery of computerized emboridering machine according to claim 4 is it is characterised in that described track base（1）'s Upper surface is arranged at intervals with two the 3rd coordinating blocks along its length（12）, described line slideway（8）Offer along its length Groove（81）, it is in groove（81）Both sides formed respectively and the 3rd coordinating block（12）Corresponding two the 4th coordinating blocks in position （82）, work as line slideway（8）It is layed in track base（1）Afterwards, the 3rd coordinating block（12）With the 4th coordinating block（82）Both ends of the surface phase Abut.

6. the frame driving lead rail of embroidery of computerized emboridering machine according to claim 1 is it is characterised in that described driven pulley mechanism （2）It is provided with two and be respectively arranged on track base（1）Two ends, described track base（1）Middle part offer installation portion（11）, described Installation portion（11）On be provided with driving wheel mechanism（5）.

7. the frame driving lead rail of embroidery of computerized emboridering machine according to claim 6 is it is characterised in that described driving wheel mechanism （5）Including mounting seat, located at two of mounting seat regulation tensioning wheels（52）And drivewheel（53）, two regulation tensioning wheels（52） Horizontal alignment is arranged, drivewheel（53）It is in two regulation tensioning wheels（52）Lower section and simultaneously be located at two regulation tensioning wheels（52）In On the perpendicular bisector of heart line.

8. the frame driving lead rail of embroidery of computerized emboridering machine according to claim 7 is it is characterised in that described regulation tensioning wheel （52）Including a central shaft（521）And it is located in central shaft（521）Interior and and central shaft（521）Fixing adjustment axis （522）, described adjustment axis（522）In central shaft（521）Interior eccentric setting.

9. the frame driving lead rail of embroidery of the computerized emboridering machine according to any one of claim 1-3 is it is characterised in that described driven Wheel mechanism（2）Also include a strainer（26）, described strainer（26）Including being fixed on bearing block（21）On sliding shoe （262）, be fixed on adjustment block（3）On two pieces of fixed blocks（261）And it is threaded in sliding shoe（262）On adjusting screw rod （264）, two pieces of fixed blocks（261）Between be additionally provided with connecting rod（263）, described adjusting screw rod（264）Radially across connecting rod （263）And and connecting rod（263）Rotate and connect.

10. the frame driving lead rail of embroidery of computerized emboridering machine according to claim 9 is it is characterised in that two piece of first coordinating block （31）Between formed mounting groove, be arranged at intervals with two long strip block in described mounting groove in the width direction（32）, described long strip block （32）With the first coordinating block（31）Between formed storage tank（321）, two long strip block（32）Between formed slippage slot（322）, described Fixed block（261）It is placed in storage tank（321）Interior, described sliding shoe（262）In slippage slot（322）Interior slip；Described bearing block （21）On be equipped with screw（9）, described fixed block（261）On offer and screw（9）The screwed hole of screw thread cooperation.