CN104048011B - The lifting actuator of industrial sewing machine stand - Google Patents
The lifting actuator of industrial sewing machine stand Download PDFInfo
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- CN104048011B CN104048011B CN201410241337.1A CN201410241337A CN104048011B CN 104048011 B CN104048011 B CN 104048011B CN 201410241337 A CN201410241337 A CN 201410241337A CN 104048011 B CN104048011 B CN 104048011B
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- Prior art keywords
- chassis member
- chamber
- chassis
- inner sleeve
- fixed
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B75/00—Frames, stands, tables, or other furniture adapted to carry sewing machines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
Abstract
The lifting actuator of a kind of industrial sewing machine stand, belongs to sewing device technical field.Industrial sewing machine stand includes chassis crossrail；Left and right chassis member；Left column；Right column；Lifting actuator includes inner sleeve synchronization lifting drive mechanism；Lifting drive mechanism, feature: inner sleeve synchronization lifting drive mechanism includes a left side, right seat board, bearing plate, drive sprocket, jockey sprocket, left, right screw mandrel sprocket wheel, feed screw nut's axle and driving chain, left, right seat board is with left, right chassis member is fixed, bearing plate and left chassis member are fixed, drive sprocket and lifting drive mechanism are fixed, jockey sprocket is bearing between left seat board and bearing plate, left end at feed screw nut's axle sets left screw mandrel, right-hand member at feed screw nut's axle sets right screw mandrel, left screw mandrel sprocket wheel is fixed on left screw mandrel, right screw mandrel sprocket wheel is fixed on right screw mandrel, one end of driving chain is nested with on drive sprocket, the other end is nested with on right screw mandrel sprocket wheel；Lifting drive mechanism includes motor and reduction box.
Description
Technical field
The invention belongs to sewing device technical field, be specifically related to the lifting actuator of a kind of industrial sewing machine stand.
Background technology
Industrial sewing machine is often referred to simply as work seam machine, it is quilting industry and the special equipment of related industries department sewing workpiece, for automobile production industry, for sewing automotive upholstery such as seat cushion overcoat, Seat cover etc., for dress ornament production industry, for sewing shoes and hats, clothing and the bedding supplies including bedding etc..
As is known in the industry, industrial sewing machine is typically mounted in frame in a state of use, is more precisely arranged on the platen being fixed in frame.In order to adapt to human height's difference of sewer, the erecting of industrial sewing machine is calculated as adjustable structure, this structure of " a kind of use in sewing machine board " can be disclosed disclosed in Chinese invention patent application publication No. CN103306066A, but owing to the board position adjustments of this patent application scheme is completed by manual operations, thus regulate and comparatively bother, CN102733119A disclosed " adjustable housing of sewing machine " equally exists this technical problem.
Certainly, adopt motor drive mode that the height of industrial sewing machine stand is complied with and need to adjust the shortcoming that can eliminate aforementioned manual setting, but motor drive mode needs by lifting actuator guarantee rational in infrastructure, lifting actuator rational in infrastructure designated herein such as can make a pair left and right lifting inner sleeve for supporting industrial sewing machine table synchronize easy motion, driving chain is ensured lasting transmission effect, manufacture install and use and easy to adjust, overall structure simply, etc..Even but these technology essential factors do not give disclosure in the description of Chinese patent application publication number CN1412376A " sewing machine table " recommended yet.
For above-mentioned prior art situation, the applicant has done positive and useful design, finally defines technical scheme described below.
Summary of the invention
The task of the present invention is in that to provide a kind of left lifting inner sleeve contributing to being used in supporting industrial sewing machine table and right lifting inner sleeve smoothly synchronization lifting, is conducive to the transmission effect making driving chain embodiment desirable and lasting, is of value to conveniently manufacturing and installs and use, have the lifting actuator being easy to simplify integrally-built industrial sewing machine stand.
The task of the present invention is performed by, a kind of lifting actuator of industrial sewing machine stand, described industrial sewing machine stand includes a chassis crossrail, and the length direction at this chassis crossrail constitutes to have steps down chamber from the through chassis chain to right-hand member of the left end of chassis crossrail；The one left chassis member and with left chassis member chamber has the right chassis member in right chassis member chamber, offer a left chassis member chain communicated with left chassis member chamber towards the side of right chassis member at left chassis member to step down chamber, and in the right chassis member side towards left chassis member and offering a right chassis member chain communicated with right chassis member chamber step down chamber corresponding to the step down position in chamber of left chassis member chain, the left end end face of described chassis crossrail is being fixed corresponding to step down position and the left chassis member in chamber of left chassis member chain, and the right-hand member end face of chassis crossrail is being fixed corresponding to step down position and the right chassis member in chamber of right chassis member chain, and chamber is stepped down and right chassis member chain chamber of stepping down communicates in chain chamber of stepping down in described chassis with left chassis member chain simultaneously；One left column, this left column the position of the left end corresponding to described chassis crossrail be fixed on longitudinal state described left chassis member towards on side, and the left column chamber of this left column communicates with described left chassis member chamber, it is fixed with a pair left column guide rail with the state faced each other at left column intracavity, between this pair left column guide rail, it is equipped with a left lifting inner sleeve slidably, is fixed with a left fixed mount of the platen for fixing industrial sewing machine table at the top of this left lifting inner sleeve；One right column, this right column the position of the right-hand member corresponding to described chassis crossrail be fixed on longitudinal state described right chassis member towards on side, corresponding with described left column, and the right column chamber of this right column communicates with described right chassis member chamber, it is fixed with a pair right column guide rail with the state faced each other at right column intracavity, between this pair right column guide rail, it is equipped with a right lifting inner sleeve slidably, is fixed with a right fixed mount of the platen for fixing industrial sewing machine table at the top of this right lifting inner sleeve；Described lifting actuator includes an inner sleeve synchronization lifting drive mechanism, and this inner sleeve synchronization lifting drive mechanism is arranged on described left chassis member and is connected with described left lifting inner sleeve and right lifting inner sleeve simultaneously；One for ordering about the lifting drive mechanism of described inner sleeve synchronization lifting drive mechanism work, this lifting drive mechanism is arranged on described left chassis member towards upper side with described left column, and it is in transmission connection with inner sleeve synchronization lifting drive mechanism, it is characterised by: described inner sleeve synchronization lifting drive mechanism includes left seat board, right seat board, bearing plate, drive sprocket, jockey sprocket, left screw mandrel sprocket wheel, right screw mandrel sprocket wheel, feed screw nut's axle and driving chain, left seat board is in the position of the bottom corresponding to described left column and fixes at described left chassis member intracavity and described left chassis member, right seat board is in the position of the bottom corresponding to described right column and fixes at described right chassis member intracavity and described right chassis member, bearing plate is fixed with left chassis member in the position of the lower section corresponding to left seat board, drive sprocket is fixed with described lifting drive mechanism at left chassis member intracavity, jockey sprocket is rotatably supported between left seat board and bearing plate, the left end of feed screw nut's axle is insinuated into described left column intracavity and the lower end with described left lifting inner sleeve is connected, and the right-hand member of feed screw nut's axle is insinuated into described right column intracavity and the lower end with described right lifting inner sleeve is connected, at the left end of this feed screw nut's axle and be equipped with a left screw mandrel in the position corresponding to left column chamber with longitudinal state, the lower end of this left screw mandrel is rotatably supported on left seat board and bearing plate, and at the right-hand member of feed screw nut's axle and be equipped with a right screw mandrel in the position corresponding to right column chamber with longitudinal state, the lower end of this right screw mandrel is rotatably supported on right seat board, left screw mandrel sprocket wheel is between left seat board and bearing plate and is fixed on described left screw mandrel, chamber of stepping down with described left chassis member chain, the position of this left screw mandrel sprocket wheel is corresponding, right screw mandrel sprocket wheel is fixed on described right screw mandrel in the position of the lower section corresponding to described right seat board, and chamber of stepping down with described right chassis member chain is corresponding, one end of driving chain is nested with on drive sprocket, the other end is stepped down chamber by way of left chassis member chain successively, chamber stepped down by chassis chain and right chassis member chain is stepped down chamber and be nested with on right screw mandrel sprocket wheel, described left screw mandrel sprocket wheel coordinates with the inner side transmission of driving chain, and described jockey sprocket coordinates with the outside transmission of driving chain；Described lifting drive mechanism includes motor and reduction box, motor coordinates with reduction box transmission, reduction box together with motor the position of the side corresponding to described left column be fixed on described left chassis member towards on side, the reduction box final stage power output shaft of this reduction box towards under, and it is stretched over described left chassis member intracavity, described drive sprocket is fixed on reduction box final stage power output shaft, wherein: described left chassis member towards on side and offer an output shaft resigning hole in the position of the reduction box final stage power output shaft corresponding to described reduction box, and a pair reduction box fixed adjustment slotted eye is respectively offered in the both sides of the length direction corresponding to this output shaft resigning hole, reduction box corresponding to reduction box fixed adjustment slotted eye position and left chassis member towards on side fix, and reduction box final stage power output shaft is stretched over described left chassis member intracavity in the position corresponding to output shaft resigning hole, at the left chassis member intracavity of described left chassis member and be provided with a reduction box fixed adjustment plate in the position corresponding to described reduction box, on this reduction box fixed adjustment plate and centrally located offer an output shaft hole, this output shaft hole is corresponding with described output shaft resigning hole, described reduction box final stage power output shaft is stretched over left chassis member intracavity through this output shaft hole, described reduction box is being fixed with described reduction box fixed adjustment plate after described reduction box fixed adjustment slotted eye by the fixing screw of reduction box, it is further fixed on an adjustment screw seat board at left chassis member intracavity, this adjustment screw seat board is equipped with an adjustment screw, an adjustment plate engaging lug is had on reduction box fixed adjustment plate and corresponding to the position composition adjusting screw seat board, this adjustment plate engaging lug is connected with described adjustment screw.
In a specific embodiment of the present invention, the chassis chain of described chassis crossrail step down chamber accent towards under, and respectively constitute have a chassis crossrail flanging reinforcement in the step down corresponding both sides of accent in chamber of this chassis chain, respectively constitute at the left end end face of chassis crossrail and the position of right-hand member end face and have a pair fixing ear of chassis crossrail, it is positioned at the fixing ear of a pair chassis crossrail of the left end end face of chassis crossrail fixing with described left chassis member corresponding to the step down position of both sides in chamber of described left chassis member chain, and the fixing ear of a pair chassis crossrail being positioned at the right-hand member end face of chassis crossrail is being fixed with described right chassis member corresponding to the step down position of both sides in chamber of described right chassis member chain；Between described left column and right column and be fixed with a pillar reinforcement corresponding to the position above chassis crossrail, this pillar reinforcement is plate body, tubular body or rhabodoid.
In another specific embodiment of the present invention, on the top of described left column and be positioned at left column and offer a signal picker accent towards the side of described right column, it is fixed with an inner sleeve lifting limit position signal harvester in the position corresponding to this signal picker accent；On described left lifting inner sleeve and towards described signal picker accent side constitute have an inner sleeve down stroke extreme position boss and an inner sleeve up stroke extreme position boss, inner sleeve up stroke extreme position boss is corresponding to the lower section of inner sleeve down stroke extreme position boss, described inner sleeve lifting limit position signal harvester corresponds between the boss of inner sleeve uplink and downlink way limit position, and matches with inner sleeve uplink and downlink way limit position boss.
In another specific embodiment of the present invention, described inner sleeve lifting limit position signal harvester is travel switch, microswitch, is closely located to switch, tongue tube or hall sensing element.
In another specific embodiment of the present invention, at one end of described left chassis member and the other end and be each provided with a left chassis member roller in a state of use towards the side of terrace；At one end of described right chassis member and the other end and be each provided with a right chassis member roller in a state of use towards the side of terrace.
In an also specific embodiment of the present invention, a left nut axis hole is offered in the lower end of described left lifting inner sleeve, and a right nut axis hole is offered in the lower end of described right lifting inner sleeve, the left end of described feed screw nut's axle probes in left nut axis hole and is connected with left lifting inner sleeve, and right-hand member is insinuated in right nut axis hole and is connected with right lifting inner sleeve.
In more and in a specific embodiment of the present invention, described jockey sprocket has a drag chain wheel shaft, and the upper end of this drag chain wheel shaft is rotatably supported on described left seat board, and the lower end of drag chain wheel shaft is rotatably supported on described bearing plate.
The present invention's and then in a specific embodiment, a pair described left column guide rail and the shape of cross section of a pair right column guide rail are u-shaped.
In the present invention again more and in a specific embodiment, described motor is the motor with rotating function.
In again and then in a specific embodiment of the present invention, described left screw mandrel is provided with left screw mandrel pressure bearing, this left screw mandrel pressure bearing contacts with described left seat board, is provided with right screw mandrel pressure bearing on described right screw mandrel, and this right screw mandrel pressure bearing contacts with described right seat board.
Technical scheme provided by the invention can be made left and right lifting inner sleeve smoothly synchronization lifting by feed screw nut's axle；By the position adjustment to reduction box of the reduction box fixed adjustment plate, the position of drive sprocket is made to adjust accordingly, it is thus possible to ensure the desirable and lasting transmission effect of driving chain；Owing to overall structure is terse, thus manufacture, install and safeguard all very convenient.
Accompanying drawing explanation
Fig. 1 is embodiments of the invention structure chart.
Fig. 2 be the reduction box fixed adjustment plate shown in Fig. 1 with adjust screw coordinate schematic diagram.
Detailed description of the invention
In order to enable the auditor especially public of Patent Office to be more clearly understood from technical spirit and the beneficial effect of the present invention, applicant will elaborate below by way of example, but the description to embodiment is not all the restriction to the present invention program, any foundation pro forma but not substantial equivalent transformation that is only done by present inventive concept is regarded as technical scheme category.
The concept of every directivity (or claiming directionality) relating to upper and lower, left and right, front and rear is all for the figure location state being described in the following description, purpose is in that to facilitate public understanding, thus can not be understood as being particularly limited to technical scheme provided by the invention.
Refer to Fig. 1, give a chassis crossrail 1 of the structural system of the frame belonging to industrial sewing machine, length direction at this chassis crossrail 1 is constituted has the through chassis chain to right-hand member of the left end from chassis crossrail 1 to step down chamber 11, in the present embodiment, chassis crossrail 1 is plate-like piece, folded by folder and form, and shape of cross section is inverted U-shaped, say, that the chassis chain of chassis crossrail 1 step down chamber 11 accent towards under.In order to promote the bulk strength of chassis crossrail 1, respectively constitute have chassis crossrail flanging reinforcement 111 in the step down corresponding both sides at accent position in chamber 11 of this chassis chain, namely chassis crossrail flanging reinforcement 111 has a pair corresponded to each other, and the space between this pair chassis crossrail flanging reinforcement 111 is configured to move for the driving chain 68 of inner sleeve synchronization lifting drive mechanism 6 described in further detail below the chain movement space of (or claim by way of).
Preferably, respectively constitute at the left end end face of chassis crossrail 1 and the position of right-hand member end face and have the fixing ear 12 of a pair chassis crossrail, namely stepping down the left accent position in chamber 11 corresponding to chassis chain and the corresponding both sides at right accent position respectively constitute and have a chassis crossrail to fix ear 12.
The left chassis member 2 and one with left chassis member chamber 21 giving the structural system of the frame also belonging to industrial sewing machine has the right chassis member 3 in right chassis member chamber 31, step down chamber 22 towards right side, side offers a left chassis member chain communicated with left chassis member chamber 21 in the left chassis member 2 side, side towards right chassis member 3 and shown position state, same reason, in the right chassis member 3 side towards the side of left chassis member 2 and shown position state towards on left side, side and offering a right chassis member chain communicated with right chassis member chamber 31 step down chamber 32 corresponding to the step down position in chamber 22 of left chassis member chain.The left end end face of aforementioned chassis crossrail 1 is being fixed with left chassis member 2 by the fixing ear 12 of a pair chassis crossrail of aforementioned left end and with fixed lug screw 121 corresponding to the step down position in chamber 22 of left chassis member chain, and the right-hand member end face of chassis crossrail 1 by the fixing ear 12 of a pair chassis crossrail of aforementioned right-hand member and is being fixed with right chassis member 3 corresponding to the step down position in chamber 32 of right chassis member chain equally with fixing ear snail nail 121, and chamber 22 is stepped down and right chassis member chain chamber 32 of stepping down communicates in chain chamber 11 of stepping down in chassis simultaneously with left chassis member chain.
Aforementioned left chassis member 2 and right chassis member 3 shape of cross section are such as the description to chassis member 1, and composition has the corresponding flanging reinforcement being equivalent to chassis crossrail flanging reinforcement 111 too.Preferably, in two ends port shrouding 26 closure of the length direction of left chassis member 2, and close at the two ends port closed plate 34 of the length direction of right chassis member 3.
Give a left column 4 of the structural system of the frame of industrial sewing machine, this left column 4 the position of the left end corresponding to aforementioned chassis crossrail 1 with longitudinal state and preferably with welding, riveted joint or be fixed on by securing member and other similar fixed form left chassis member 2 towards on namely towards outer side, the bottom in the left column chamber 41 of this left column 4 communicates (on left chassis member 2 and step down corresponding to left column screw mandrel the position of mouth 411 is same offers openning) by the left column screw mandrel offered mouth 411 of stepping down with aforementioned left chassis member chamber 21.A pair left column guide rail 42 is fixed with the state left column guide rail screw 421 faced each other in left column chamber 41, this is to the U-shaped that the shape of cross section of left column guide rail 42 is English alphabet, namely a left lifting inner sleeve 43 can be equipped up or down slidably between this pair left column guide rail 42, and it is fixed with a left fixed mount 431 of the platen for fixing the left end of industrial sewing machine table at the top of this left lifting inner sleeve 43, respectively offers platen left end fixing screw hole 4311 at the two ends of the left fixed mount 431 of this platen.
Give a right column 5 of the structural system of the frame still belonging to industrial sewing machine, this right column 5 the position of the right-hand member corresponding to aforementioned chassis crossrail 1 with longitudinal state and also, it is preferred that with welding, riveted joint or be fixed on by securing member and other similar fixed form right chassis member 3 towards on side, namely towards outer side, certainly, this right column 5 is corresponding with left column 4.The bottom in the right column chamber 51 of this right column 5 communicates (on right chassis member 3 and step down corresponding to right column screw mandrel the position of mouth 511 is same offers openning) by the right column screw mandrel offered mouth 511 of stepping down with aforementioned right chassis member chamber 31.It is fixed with a pair right column guide rail 52 with the state right column guide rail screw 521 faced each other in right column chamber 51, this to the shape of cross section of right column guide rail 52 with the description to left column guide rail 42, namely a right lifting inner sleeve 53 can be equipped up or down slidably between this pair right column guide rail 52, and it is fixed with a right fixed mount 531 of the platen for fixing the right-hand member of industrial sewing machine table at the top of this right lifting inner sleeve 53, respectively offers platen right-hand member fixing screw hole 5311 at the two ends of the right fixed mount 531 of this platen.
Give an inner sleeve synchronization lifting drive mechanism 6 and of the structural system belonging to lifting actuator of the present invention for ordering about the lifting drive mechanism 7 of aforementioned inner sleeve synchronization lifting drive mechanism 6 work, inner sleeve synchronization lifting drive mechanism 6 is arranged on left chassis member 2, and is connected with aforementioned left lifting inner sleeve 43 and right lifting inner sleeve 53 simultaneously.Lifting drive mechanism 7 arranges be fixed on left chassis member 2 shortly towards upper side with aforementioned left column 4, and is in transmission connection with inner sleeve synchronization lifting drive mechanism 6.
Please continue to refer to Fig. 1, the fixing ear 12 of a pair chassis crossrail of the aforesaid left end end face being positioned at chassis crossrail 1 is being fixed with left chassis member 2 by fixing ear snail nail 121 corresponding to the step down position of both sides in chamber 22 of aforementioned left chassis member chain, and the fixing ear 12 of a pair chassis crossrail being positioned at the left end end face of chassis crossrail 1 is being fixed with right chassis member 3 by fixing ear snail nail 121 corresponding to the step down position of both sides in chamber 32 of aforementioned right chassis member chain.
In order to improve the stability between left and right column 4,5, thus between left and right column 4,5 and be fixed with a pillar reinforcement 8 corresponding to the fixing screw 81 of the position reinforcement above chassis crossrail 1.Preferably, pillar reinforcement 8 adopts the structure (namely the present embodiment is) of plate body, but is used as tubular body or rhabodoid.
On the top of short transverse of aforementioned left column 4 and be positioned at left column 4 and offer a signal picker accent 44 towards the side of right column 5, it is fixed with an inner sleeve lifting limit position signal harvester 441(at the position screw 4411 corresponding to this signal picker accent 44 and is alternatively referred to as inner sleeve lifting limit travel harvester).Namely constituting on the right side of left lifting inner sleeve 43 on left lifting inner sleeve 43 and towards the side of signal picker accent 44 and have inner sleeve down stroke extreme position boss 432 and an inner sleeve up stroke extreme position boss 433, inner sleeve up stroke extreme position boss 433 is corresponding to the lower section of inner sleeve down stroke extreme position boss 432.Aforesaid inner sleeve lifting limit position signal harvester 441 corresponds between inner sleeve uplink and downlink way limit position boss 433,432, and matches with inner sleeve uplink and downlink way limit position boss 433,432.When left lifting inner sleeve 43 is up and corresponds to inner sleeve lifting limit position signal harvester 441 when inner sleeve up stroke extreme position boss 433, then lifted limit position signal harvester 441 by this inner sleeve gather signal and signal feeds back to the electric control box 45 in the left side being fixed on left column 4, lifting drive mechanism 7 is given to signal by electric control box 45, making this lifting drive mechanism 7 quit work, inner sleeve synchronization lifting drive mechanism 6 just quits work therewith.Otherwise, left lifting inner sleeve 43 descending and when inner sleeve down stroke extreme position boss 432 correspond to inner sleeve lifting limit position signal harvester 441 time, then lifted limit position signal harvester 441 by inner sleeve gather signal and signal feeds back to electric control box 45, lifting drive mechanism 7 is given to signal by electric control box 45, making this lifting drive mechanism 7 quit work, inner sleeve synchronization lifting drive mechanism 6 also quits work therewith.In aforementioned process, make the height of the industrial sewing machine table (not shown) being installed in platen left and right fixed 431,531 that corresponding change to occur.And by aforesaid explanation it can be seen that the heave amplitude of left and right lifting inner sleeve 43,53 is the spacing between inner sleeve uplink and downlink way limit position boss 433,432.
In the present embodiment, aforesaid inner sleeve lifting limit position signal harvester 441 uses travel switch, but is used as microswitch, is closely located to switch, tongue tube or hall sensing element.
For the ease of the movement of the present invention, thus at one end of aforesaid left chassis member 2 and the other end and be each provided with a left chassis member roller 23 in a state of use towards the side of terrace.Equally, at one end of aforementioned right chassis member 3 and the other end and be each provided with a right chassis member roller 33 in a state of use towards the side of terrace.
Ask for an interview Fig. 2 and in conjunction with Fig. 1, technical essential as technical scheme provided by the invention: aforementioned inner sleeve synchronization lifting drive mechanism 6 preferably but not the structure that is definitely limited to is as follows: include left seat board 61, right seat board 62, bearing plate 63, drive sprocket 64, jockey sprocket 65, left screw mandrel sprocket wheel 66, right screw mandrel sprocket wheel 67, feed screw nut's axle 68 and driving chain 69, left seat board 61 is fixed with left chassis member 2 with left bottom plate screw 611 in the position of the bottom corresponding to described left column 4 and in aforesaid left chassis member chamber 21, this left seat board 61 is provided with on a drag chain wheel shaft block bearing 612 and block bearing 613 on a left screw mandrel, right seat board 62 is fixed with right chassis member 3 with right bottom plate screw 621 in the position of the bottom corresponding to aforementioned right column 5 and in right chassis member chamber 31, the bearing plate 63 position bearing plate screw 631 in the lower section corresponding to left seat board 61 is fixed with left chassis member 2, this bearing plate 63 is provided with drag chain wheel shaft lower support bearing 632 and a left screw mandrel lower support bearing 633, drive sprocket 64 is fixed with aforementioned lifting drive mechanism 7 with drive sprocket screw 641 in left chassis member chamber 21, jockey sprocket 65 is rotatably supported between left seat board 61 and bearing plate 63, specifically: match with block bearing 612 on drag chain wheel shaft in the upper end of the drag chain wheel shaft 651 of this jockey sprocket 65, and match with drag chain wheel shaft lower support bearing 632 in lower end, feed screw nut's axle 68 is horizontally disposed with, the left end of this bolt and nut axle 68 is insinuated in aforementioned left column chamber 41 and is connected with the lower end of aforementioned left lifting inner sleeve 43, and the right-hand member of feed screw nut's axle 68 is insinuated in aforementioned right column chamber 51 and is connected with the lower end of aforementioned right lifting inner sleeve 53, at the left end of this feed screw nut's axle 68 and be equipped with a left screw mandrel 681 in the position corresponding to left column chamber 41 with longitudinal state, the lower end of this left screw mandrel 681 is rotatably supported on left seat board 61 and bearing plate 63, namely it is bearing on aforesaid left screw mandrel block bearing 613 and on left screw mandrel lower support bearing 633, at the right-hand member of feed screw nut's axle 68 and be equipped with a right screw mandrel 682 in the position corresponding to right column chamber 51 with longitudinal state, the lower end of this right screw mandrel 682 is rotatably supported on right seat board 62, left screw mandrel sprocket wheel 66 between left seat board 61 and bearing plate 63 and the mode preferably employing flat key fixing be fixed on left screw mandrel 681, chamber 22 of stepping down with aforementioned left chassis member chain, the position of this left screw mandrel sprocket wheel 66 is corresponding, right screw mandrel sprocket wheel 67 is in the position of the lower section corresponding to described right seat board 62 and also, it is preferred that adopt flat key fixed form to be fixed on right screw mandrel 682, and chamber 32 of stepping down with aforementioned right chassis member chain is corresponding, one end of driving chain 69 is nested with on drive sprocket 64, the other end is being stepped down chamber 22 by way of left chassis member chain successively, it is nested with on right screw mandrel sprocket wheel 67 behind chamber 11 stepped down by chassis chain and right chassis member chain is stepped down chamber 32, aforementioned left screw mandrel sprocket wheel 66 coordinates with the inner side transmission of driving chain 69, and aforesaid jockey sprocket 65 coordinates with the outside transmission of driving chain 69.Wherein: offer a left nut axis hole 434 in the lower end of aforementioned left lifting inner sleeve 43, and a right nut axis hole 532 is offered in the lower end of aforementioned right lifting inner sleeve 53, the left end of aforementioned feed screw nut's axle 68 probes in left nut axis hole 434 and is connected with left lifting inner sleeve 43, and right-hand member is insinuated in right nut axis hole 532 and is connected with right lifting inner sleeve 53.
In the present embodiment, aforesaid left screw mandrel 681 and right screw mandrel 682 are three screw rods, but if using single-head screw or double threaded screw, then technology contents category disclosed by the invention should be considered as.
Above mentioned lifting drive mechanism 7 includes motor 71 and reduction box 72, motor 72 coordinates with reduction box 72 transmission, reduction box 72 together with motor 71 the position corresponding to described left column 4 be fixed on aforementioned left chassis member 2 towards on side, the reduction box final stage power output shaft 721 of this reduction box 72 towards under, and being stretched in aforementioned left chassis member chamber 21, the mode that aforementioned drive sprocket 64 is helped mutually by drive sprocket screw 641 and flat key is fixed on reduction box final stage power output shaft 721.
In the present embodiment, aforesaid motor 71 is the servomotor with rotating function, and is connected with aforesaid electric control box electrical control by circuit.
Aforesaid left screw mandrel 681 is provided with left screw mandrel pressure bearing 6811, this left screw mandrel pressure bearing 6811 contacts with aforementioned left seat board 61, more precisely with block bearing 613 on left screw mandrel towards a upper side contacts, aforementioned right screw mandrel 682 is provided with right screw mandrel pressure bearing 6821, this right screw mandrel pressure bearing 6821 contacts with described right seat board 62, more precisely with the bearing for right screw mandrel 682 rotating support (this bearing be equivalent on left screw mandrel block bearing 613) being arranged on right seat board 62 towards a upper side contacts.
Driving chain 69 in order to ensure aforementioned inner sleeve synchronization lifting drive mechanism 6 has lasting tension effect, namely in order to ensure the transmission effect of driving chain 69, the present invention aforementioned left chassis member 2 towards on side and offer the output shaft resigning hole 24 of an ellipse in the position of the reduction box final stage power output shaft 721 corresponding to aforementioned reduction box 72, and a pair reduction box fixed adjustment slotted eye 25 is respectively offered in the both sides of the length direction corresponding to this output shaft resigning hole 24, reduction box 72 corresponding to reduction box fixed adjustment slotted eye 25 position and left chassis member 2 towards on side fix, and reduction box final stage power output shaft 721 is stretched in aforementioned left chassis member chamber 21 in the position corresponding to output shaft resigning hole 24.It is provided with a reduction box fixed adjustment plate 211 in the left chassis member chamber 21 of aforementioned left chassis member 2 and in the position corresponding to aforementioned reduction box 72, on this reduction box fixed adjustment plate 211 and centrally located offer an output shaft hole 2111, this output shaft hole 2111 is corresponding with aforementioned output shaft resigning hole 24, aforementioned reduction box final stage power output shaft 721 is stretched in left chassis member chamber 21 through this output shaft hole 2111, aforementioned reduction box 72 is being fixed with aforementioned reduction box fixed adjustment plate 211 after aforementioned reduction box fixed adjustment slotted eye 25 by the fixing screw 722 of reduction box, an adjustment screw seat board 212 it is further fixed in left chassis member chamber 21, this adjustment screw seat board 212 is equipped with an adjustment screw 2121, an adjustment plate engaging lug 2112 is had on reduction box fixed adjustment plate 211 and corresponding to the position composition adjusting screw seat board 212, this adjustment plate engaging lug 2112 is connected with adjusting screw 2121.
In order to easily to adjust screw 2121 adjust, thus on the port shrouding 26 of the front end of aforementioned left chassis member 2 and correspond to adjust screw 2121 position offer screwdriver probe hole 261.When driving chain 69 is adjusted, as long as being directed at screwdriver adjusting hole 261 with instrument such as screwdriver to operate adjusting screw 2121, reduction box fixed adjustment plate 21 displacement is driven by adjusting screw 2121, owing to reduction box 72 is fixed with deceleration bar case fixed adjustment plate 211 by the fixing screw 722 of reduction box in the position corresponding to reduction box fixed adjustment slotted eye 25 together with motor 71, thus when reduction box fixed adjustment plate 211 displacement, reduction box 72 is corresponding displacement also, it is fixed on the also corresponding displacement of the drive sprocket 64 on reduction box final stage power output shaft 721, the tension force making the driving chain 69 being nested with on drive sprocket 64 is adjusted.
Applicant describes the use of the present invention, when to synchronize to shift up by left lifting inner sleeve 43 and right lifting inner sleeve 44, then by operator, the corresponding button on electric control box 45 is operated, the motor 71 of lifting drive mechanism 7 works, slow down through reduction box 72 and driven the drive sprocket 64 being fixed thereon to move by the reduction box final stage power output shaft 721 of reduction box 72, it is fixed with right screw mandrel sprocket wheel 67 owing to left screw mandrel 681 being fixed with on left screw mandrel sprocket wheel 66 and right screw mandrel 682, again due to a left side, right screw mandrel sprocket wheel 66, 67 are all in transmission connection with driving chain 69 (namely transmission coordinates), thus when drive sprocket 64 drives driving chain 69 to move, drive left screw mandrel sprocket wheel 66 and right screw mandrel sprocket wheel 67 by driving chain 69 simultaneously, left, right screw mandrel 681, 682 are synchronized with the movement (rotation), by a left side, right screw mandrel 681, 682 drive feed screw nut's axle 68 up simultaneously.The right nut axis hole 532 of magnetic tube 53 in the left nut axis hole 434 of left lifting inner sleeve 43 and right lifting is probeed into respectively due to the left and right end of feed screw nut's axle 68, thus driven left and right interior lifting sleeve 43,53 uplink synchronization when feed screw nut's axle 68 is up by it, when the height of the industrial sewing machine table being arranged in platen left and right fixed 431,531 reaches the desired height of operative employee, again electric control box 45 is operated, make motor 71 quit work.When to synchronize to adjust downwards by left and right lifting inner sleeve 431,531, so operate again by the corresponding button on electric control box 45, aforesaid motor 71 moves in the opposite direction, by aforementioned contrary course of action realize feed screw nut's axle 68 to bottom offset.
In sum, technical scheme provided by the invention overcomes the deficiency in prior art, completes invention task faithfully and has cashed the technique effect referred in the superincumbent technique effect hurdle of applicant objectively.
Claims (10)
1.A kind of lifting actuator of industrial sewing machine stand, described industrial sewing machine stand includes a chassis crossrail (1), and the length direction at this chassis crossrail (1) is constituted has the through chassis chain to right-hand member of the left end from chassis crossrail (1) to step down chamber (11)；The one left chassis member (2) and with left chassis member chamber (21) has the right chassis member (3) of right chassis member chamber (31), offer a left chassis member chain communicated with left chassis member chamber (21) towards the side of right chassis member (3) at left chassis member (2) to step down chamber (22), and in the right chassis member (3) side towards left chassis member (2) and offering a right chassis member chain communicated with right chassis member chamber (31) step down chamber (32) corresponding to the step down position in chamber (22) of left chassis member chain, the left end end face of described chassis crossrail (1) is being fixed corresponding to step down position and the left chassis member (2) in chamber (22) of left chassis member chain, and the right-hand member end face of chassis crossrail (1) is being fixed corresponding to step down position and the right chassis member (3) in chamber (32) of right chassis member chain, and chamber (22) is stepped down and right chassis member chain chamber (32) of stepping down communicates in chain chamber (11) of stepping down in described chassis with left chassis member chain simultaneously；One left column (4), this left column (4) is fixed on described left chassis member (2) towards upper side in the position of the left end corresponding to described chassis crossrail (1) with longitudinal state, and the left column chamber (41) of this left column (4) communicates with described left chassis member chamber (21), it is fixed with a pair left column guide rail (42) with the state faced each other in left column chamber (41), a left lifting inner sleeve (43) it is equipped with slidably between this pair left column guide rail (42), a left fixed mount (431) of the platen for fixing industrial sewing machine table it is fixed with at the top of this left lifting inner sleeve (43)；One right column (5), this right column (5) is fixed on described right chassis member (3) towards upper side in the position of the right-hand member corresponding to described chassis crossrail (1) with longitudinal state, corresponding with described left column (4), and the right column chamber (51) of this right column (5) communicates with described right chassis member chamber (31), it is fixed with a pair right column guide rail (52) with the state faced each other in right column chamber (51), a right lifting inner sleeve (53) it is equipped with slidably between this pair right column guide rail (52), a right fixed mount (531) of the platen for fixing industrial sewing machine table it is fixed with at the top of this right lifting inner sleeve (53)；Described lifting actuator includes inner sleeve synchronization lifting drive mechanism (6), and this inner sleeve synchronization lifting drive mechanism (6) is arranged on described left chassis member (2) and above and is simultaneously connected with described left lifting inner sleeve (43) and right lifting inner sleeve (53)；One is used for ordering about the lifting drive mechanism (7) that described inner sleeve synchronization lifting drive mechanism (6) works, this lifting drive mechanism (7) is arranged on described left chassis member (2) towards upper side with described left column (4), and it is in transmission connection with inner sleeve synchronization lifting drive mechanism (6), it is characterized in that: described inner sleeve synchronization lifting drive mechanism (6) includes left seat board (61), right seat board (62), bearing plate (63), drive sprocket (64), jockey sprocket (65), left screw mandrel sprocket wheel (66), right screw mandrel sprocket wheel (67), feed screw nut's axle (68) and driving chain (69), left seat board (61) is fixed with described left chassis member (2) in the position of the bottom corresponding to described left column (4) and in described left chassis member chamber (21), right seat board (62) is fixed with described right chassis member (3) in the position of the bottom corresponding to described right column (5) and in described right chassis member chamber (31), bearing plate (63) is fixed with left chassis member (2) in the position of the lower section corresponding to left seat board (61), drive sprocket (64) is fixed with described lifting drive mechanism (7) in left chassis member chamber (21), jockey sprocket (65) is rotatably supported between left seat board (61) and bearing plate (63), the left end of feed screw nut's axle (68) is insinuated in described left column chamber (41) and is connected with the lower end of described left lifting inner sleeve (43), and the right-hand member of feed screw nut's axle (68) is insinuated in described right column chamber (51) and is connected with the lower end of described right lifting inner sleeve (53), at the left end of this feed screw nut's axle (68) and be equipped with a left screw mandrel (681) in the position corresponding to left column chamber (41) with longitudinal state, the lower end of this left screw mandrel (681) is rotatably supported on left seat board (61) and bearing plate (63), and at the right-hand member of feed screw nut's axle (68) and be equipped with a right screw mandrel (682) in the position corresponding to right column chamber (51) with longitudinal state, the lower end of this right screw mandrel (682) is rotatably supported on right seat board (62), left screw mandrel sprocket wheel (66) is positioned between left seat board (61) and bearing plate (63) and is fixed on described left screw mandrel (681), chamber (22) of stepping down with described left chassis member chain, the position of this left screw mandrel sprocket wheel (66) is corresponding, right screw mandrel sprocket wheel (67) is fixed on described right screw mandrel (682) in the position of the lower section corresponding to described right seat board (62), and chamber (32) of stepping down with described right chassis member chain is corresponding, one end of driving chain (69) is nested with on drive sprocket (64), the other end is stepped down chamber (22) by way of left chassis member chain successively, chamber (11) stepped down by chassis chain and right chassis member chain is stepped down chamber (32) and be nested with on right screw mandrel sprocket wheel (67), described left screw mandrel sprocket wheel (66) coordinates with the inner side transmission of driving chain (69), and described jockey sprocket (65) coordinates with the outside transmission of driving chain (69)；Described lifting drive mechanism (7) includes motor (71) and reduction box (72), motor (72) coordinates with reduction box (72) transmission, reduction box (72) is fixed on described left chassis member (2) towards upper side together with motor (71) in the position of the side corresponding to described left column (4), reduction box final stage power output shaft (721) of this reduction box (72) towards under, and it is stretched in described left chassis member chamber (21), described drive sprocket (64) is fixed on reduction box final stage power output shaft (721), wherein: offer an output shaft resigning hole (24) described left chassis member (2) towards upper side and in the position of reduction box final stage power output shaft (721) corresponding to described reduction box (72), and a pair reduction box fixed adjustment slotted eye (25) is respectively offered in the both sides of the length direction corresponding to this output shaft resigning hole (24), reduction box (72) is fixed towards upper side with left chassis member (2) in the position corresponding to reduction box fixed adjustment slotted eye (25), and reduction box final stage power output shaft (721) is stretched in described left chassis member chamber (21) in the position corresponding to output shaft resigning hole (24), reduction box fixed adjustment plate (211) it is provided with in the left chassis member chamber (21) of described left chassis member (2) and in the position corresponding to described reduction box (72), upper at this reduction box fixed adjustment plate (211) and centrally located offer an output shaft hole (2111), this output shaft hole (2111) is corresponding with described output shaft resigning hole (24), described reduction box final stage power output shaft (721) is stretched in left chassis member chamber (21) through this output shaft hole (2111), described reduction box (72) is being fixed with described reduction box fixed adjustment plate (211) through described reduction box fixed adjustment slotted eye (25) afterwards by the fixing screw (722) of reduction box, adjustment screw seat board (212) it is further fixed in left chassis member chamber (21), this adjustment screw seat board (212) is equipped an adjustment screw (2121), above and an adjustment plate engaging lug (2112) is had corresponding to the position composition adjusting screw seat board (212) at reduction box fixed adjustment plate (211), this adjustment plate engaging lug (2112) is connected with described adjustment screw (2121).
2.The lifting actuator of industrial sewing machine stand according to claim 1, it is characterized in that the chassis chain of described chassis crossrail (1) step down chamber (11) accent towards under, and respectively constitute have chassis crossrail flanging reinforcement (111) in the step down corresponding both sides of accent in chamber (11) of this chassis chain, respectively constitute at the left end end face of chassis crossrail (1) and the position of right-hand member end face and have a pair fixing ear (12) of chassis crossrail, it is positioned at the fixing ear (12) of a pair chassis crossrail of the left end end face of chassis crossrail (1) fixing with described left chassis member (2) corresponding to the step down position of both sides in chamber (22) of described left chassis member chain, and the fixing ear (12) of a pair chassis crossrail being positioned at the right-hand member end face of chassis crossrail (1) is being fixed with described right chassis member (3) corresponding to the step down position of both sides in chamber (32) of described right chassis member chain；Being fixed with a pillar reinforcement (8) between described left column (4) and right column (5) and in the position of the top corresponding to chassis crossrail (1), this pillar reinforcement (8) is plate body, tubular body or rhabodoid.
3.The lifting actuator of industrial sewing machine stand according to claim 1, it is characterized in that on the top of described left column (4) and be positioned at left column (4) and offer a signal picker accent (44) towards the side of described right column (5), being fixed with inner sleeve lifting limit position signal harvester (441) in the position corresponding to this signal picker accent (44)；Upper described left lifting inner sleeve (43) and towards described signal picker accent (44) side is constituted inner sleeve down stroke extreme position boss (432) and inner sleeve up stroke extreme position boss (433), inner sleeve up stroke extreme position boss (433) is corresponding to the lower section of inner sleeve down stroke extreme position boss (432), described inner sleeve lifting limit position signal harvester (441) is corresponding on inner sleeve, down stroke extreme position boss (433, 432) between, and with on inner sleeve, down stroke extreme position boss (433, 432) match.
4.The lifting actuator of industrial sewing machine stand according to claim 3, it is characterised in that described inner sleeve lifting limit position signal harvester (441) is travel switch, microswitch, be closely located to switch, tongue tube or hall sensing element.
5.The lifting actuator of industrial sewing machine stand according to claim 1 and 2, it is characterised in that at one end of described left chassis member (2) and the other end and be each provided with a left chassis member roller (23) in a state of use towards the side of terrace；At one end of described right chassis member (3) and the other end and be each provided with a right chassis member roller (33) in a state of use towards the side of terrace.
6.The lifting actuator of industrial sewing machine stand according to claim 1, it is characterized in that offering a left nut axis hole (434) in the lower end of described left lifting inner sleeve (43), and a right nut axis hole (532) is offered in the lower end of described right lifting inner sleeve (53), the left end of described feed screw nut's axle (68) probes in left nut axis hole (434) and is connected with left lifting inner sleeve (43), and right-hand member is insinuated in right nut axis hole (532) and is connected with right lifting inner sleeve (53).
7.The lifting actuator of industrial sewing machine stand according to claim 1, it is characterized in that described jockey sprocket (65) has a drag chain wheel shaft (651), the upper end of this drag chain wheel shaft (651) is rotatably supported on described left seat board (61), and the lower end of drag chain wheel shaft (651) is rotatably supported on described bearing plate (63).
8.The lifting actuator of industrial sewing machine stand according to claim 1, it is characterised in that a pair described left column guide rail (42) and the shape of cross section of a pair right column guide rail (52) are u-shaped.
9.The lifting actuator of industrial sewing machine stand according to claim 1, it is characterised in that described motor (71) is the motor with rotating function.
10.The lifting actuator of industrial sewing machine stand according to claim 1, it is characterized in that being provided with left screw mandrel pressure bearing (6811) on described left screw mandrel (681), this left screw mandrel pressure bearing (6811) contacts with described left seat board (61), being provided with right screw mandrel pressure bearing (6821) on described right screw mandrel (682), this right screw mandrel pressure bearing (6821) contacts with described right seat board (62)。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410241337.1A CN104048011B (en) | 2014-06-03 | 2014-06-03 | The lifting actuator of industrial sewing machine stand |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410241337.1A CN104048011B (en) | 2014-06-03 | 2014-06-03 | The lifting actuator of industrial sewing machine stand |
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| CN104048011A CN104048011A (en) | 2014-09-17 |
| CN104048011B true CN104048011B (en) | 2016-06-29 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN205636095U (en) * | 2016-05-19 | 2016-10-12 | 肖修锋 | Escalator of sewing machine platen constructs |
| CN107572206B (en) * | 2017-10-13 | 2023-05-26 | 江苏金龙科技股份有限公司 | Nose transfer device of computerized flat knitting machine |
| CN114395867B (en) * | 2022-01-14 | 2023-03-14 | 宿迁琴工缝制设备有限公司 | Lifting transmission device of sewing machine frame |
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| KR20020091484A (en) * | 2001-05-30 | 2002-12-06 | 썬스타 특수정밀 주식회사 | Apparatus for driving embroidery machine of multi-head type |
| CN201041223Y (en) * | 2007-08-05 | 2008-03-26 | 朴春红 | Lifting drive mechanism and machine head lifting type sewing apparatus |
| US8028635B2 (en) * | 2008-04-10 | 2011-10-04 | Yamato Mishin Seizo Kabushiki Kaisha | Feed-off-arm type sewing machine for flat seaming |
| CN103556408A (en) * | 2013-10-29 | 2014-02-05 | 阮孟定 | Component transmission gear of sewing machine |
| CN203906700U (en) * | 2014-06-03 | 2014-10-29 | 常熟市百福机械有限公司 | Lifting transmission device of industrial sewing machine frame |
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- 2014-06-03 CN CN201410241337.1A patent/CN104048011B/en active Active
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|---|---|---|---|---|
| KR20020091484A (en) * | 2001-05-30 | 2002-12-06 | 썬스타 특수정밀 주식회사 | Apparatus for driving embroidery machine of multi-head type |
| CN201041223Y (en) * | 2007-08-05 | 2008-03-26 | 朴春红 | Lifting drive mechanism and machine head lifting type sewing apparatus |
| US8028635B2 (en) * | 2008-04-10 | 2011-10-04 | Yamato Mishin Seizo Kabushiki Kaisha | Feed-off-arm type sewing machine for flat seaming |
| CN103556408A (en) * | 2013-10-29 | 2014-02-05 | 阮孟定 | Component transmission gear of sewing machine |
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