A kind of guider transporting sewing machine
Technical field
The invention belongs to sewing mechanism technology for making field, relate to a kind of fortune sewing machine, particularly a kind of guider transporting sewing machine.
Background technology
Fortune sewing machine is according to clothes each position technological design sewing template, then is placed on Sewing machines by sewing template, completes automatically, efficiently and makes, widely applied in garment production instantly according to technological standards.By using sewing template, then coordinate the reasonable layout of streamline, clothes factory can reduce the dependence to skilled worker, technical solution bottleneck, improves sewing efficiency, ensures that the quality of sewings is unified, for mass, standardized work provide positive power-assisted.
Existing fortune sewing machine, such as Chinese patent literature data discloses the template sewing machine [application number: 201420184782.4 with batch (-type) driving rolls; Authorization Notice No.: CN203834145U], it comprises head and working plate, head is provided with presser feet and drives the presser foot lifter axle of presser feet, also comprise the roller driving template, this roller by support installing on presser foot lifter axle and with presser foot lifter axle synchronization lifting, head is equipped with roller driving device.
The fortune sewing machine of this kind of structure is by installation form drive unit in common flat seam machine, to drive template by the track walking of setting, realize automation mechanized operation, but the fortune sewing machine of this kind of structure, roller moves up and down with presser foot lifter axle, roller drives template to walk when lower pin, when eedle lifts, roller is separated with template, namely template is in the process of movement, roller is not be pressed in template always, and the template of eedle periphery is not held down, upwards carry with sewing when eedle moves upward, or thread take-up tension lever tightens up suture and is pulled upwardly in the process of sewing, sewing can be made wrinkling, although the fortune sewing machine of this kind of structure is provided with the guide rail limiting template movement locus on working plate, but this kind of guide rail can only lead to the template below sewing, and can not the template above sewing be led, levels template can be there is like this and occur that dislocation or template skid off from guide rail, cause the problem such as broken needle, broken string occurs.
Summary of the invention
The object of the invention is for the above-mentioned problems in the prior art, propose a kind of guider transporting sewing machine, solve and how to make the template of existing fortune sewing machine that the problem offset can not occur when mobile, and make the sewing in template can not be wrinkling when sewing.
Object of the present invention realizes by following technical proposal: a kind of guider transporting sewing machine, described Sewing machines comprises head, main shaft, shank and needle plate, described main shaft is arranged in head, described main shaft is connected with shank, it is characterized in that, described guider comprises lead and lower lead, described lower lead is arranged on needle plate, described main shaft is connected with leading truck one by wobble crank linkage, the axis of guide is fixed with in described leading truck one, described upper lead is connected in the bottom of the axis of guide, described axis of guide overcoat has spring one, one end of described spring one is resisted against on leading truck one, the other end is resisted against the top of head.
Main shaft makes upper lead move up by wobble crank linkage, spring one makes lead move down, thus lead can be moved back and forth up and down, the template of fortune sewing machine is divided into two-layer up and down, therebetween has sewing, the lower floor of template has gathering sill, the upper strata of template has sewing groove, this guider comprises lead and lower lead, upper lead is arranged in sewing groove, lower lead is arranged in gathering sill, thus all template is led on upper and lower surfaces, location, template is moved by the track of setting when sewing, can not depart from, broken needle, broken string, the problems such as fabric is wrinkling, and the main shaft of this fortune sewing machine is connected with shank with the axis of guide simultaneously, namely simultaneously main shaft drives lead and the eedle be fixed on bottom shank to move back and forth up and down, eedle upwards carry tighten up suture with thread take-up tension lever time, upper lead is pushed down sewing or is made sewing can not be wrinkling with the gap that sewing keeps less, and when template movement, upper lead is upwards carried and not being contacted with sewing, makes template movement smooth and easy.
A kind ofly transport in the guider of sewing machine above-mentioned, leading truck two and spring two is also provided with in described head, depression bar is fixed with in described leading truck two, the bottom of described depression bar is connected with tugboat, one end of described spring two is resisted against on leading truck two, and the other end is resisted against the top of head, and the side of described head is fixed with motor, described motor is connected with tugboat, and motor can drive tugboat to rotate.Rotated by driven by motor tugboat, tugboat is made to drive template movement, spring two has elastic force, under the effect of spring two elastic force, tugboat has the trend pushing down template all the time, and the spring energy of spring two push down template make template can not depart from setting motion track while ensure template movement smooth and easy, and template tugboat when mobile is pressed in template all the time, makes template can not depart from the motion track of setting.
A kind ofly transport in the guider of sewing machine above-mentioned, described wobble crank linkage comprises Triangular Arm, and the centre of described Triangular Arm is connected mutually with leading truck one, and one end of described Triangular Arm is pressed on leading truck two.When having sewed or started to sew, lift tugboat, made depression bar, leading truck two moves up, leading truck two promotes Triangular Arm and moves up, thus makes fixed mount one, the axis of guide and upper lead move, and upper lead can not push down template, picks and places template convenient; And due to the height of the thickness different templates of sewing often also different, can finely tune the height of leading truck two when tugboat is pressed in template, thus leading truck two is finely tuned by the height of Triangular Arm to upper lead, the height of lead is made to be applicable to the height of sewing, template, when making sewing, sewing can not block master, can not be wrinkling.
A kind ofly transport in the guider of sewing machine above-mentioned, the screw top of described head is connected with adjusting bolt, and the other end of described spring two is resisted against in adjusting bolt.The decrement of spring two is changed by rotating adjusting bolt, thus change the elastic force of spring two, tugboat is unclamped a little or tighter pushes down template, tugboat is made to be applicable to the template of different sewing, different-thickness, tugboat is pushed down, drags the effective of template, template can not be offset, improve working (machining) efficiency and the crudy of product.
A kind ofly transport in the guider of sewing machine above-mentioned, moving plate is provided with in described head, one end of described moving plate is resisted against the bottom of leading truck two, and centre and the head of described moving plate are hinged, and the other end of described moving plate is connected with the throw rod on head lateral wall.Pull leading truck two by throw rod, leading truck two is moved up, thus lifts tugboat, facilitate picking and placeing of template, structure is simple, easy to operate.
A kind ofly transport in the guider of sewing machine above-mentioned, all have in described upper lead and lower lead run through and the through hole passed for eedle.Through hole in the eedle be connected bottom shank and upper lead and lower lead is just to setting, eedle moves up and down through the sewing of through hole realization to sewing in upper lead and lower lead, and the position to contact with sewing due to eedle is in the axial centre of upper lead, namely eedle is when mentioning, upper lead is the surrounding being pressed in sewing place, ensure that sewing can not be raised, sewing can not be wrinkling.
A kind ofly transport in the guider of sewing machine above-mentioned, described wobble crank linkage also comprises eccentric wheel, wobble crank, swinging axle, lifts buckle handle and connecting rod, described eccentric wheel is enclosed within outside main shaft, described wobble crank and lift the two ends that handle of buckling is connected in swinging axle respectively, described eccentric wheel is connected with wobble crank, described handle of buckling of lifting is connected with one end of connecting rod, and the other end of described connecting rod is connected with the other end of Triangular Arm.By wobble crank linkage, by moving up and down of the upper lead of the crankmotion rotationization of main shaft, structure is simple.
A kind ofly transport in the guider of sewing machine above-mentioned, described wobble crank linkage also comprises eccentric wheel, wobble crank, swinging axle, connecting rod and connecting rod, described eccentric wheel is enclosed within outside main shaft, described eccentric wheel is connected with one end of swinging axle by wobble crank, the other end of described swinging axle is connected with connecting rod, described connecting rod is connected with connecting rod, and described connecting rod is connected with the other end of Triangular Arm.By wobble crank linkage, by moving up and down of the upper lead of the crankmotion rotationization of main shaft, structure is simple.
A kind ofly transport in the guider of sewing machine above-mentioned, the madial wall of described head is fixed with gathering sill one, a described leading truck part is embedded in gathering sill one.The effect of guiding is played in the movement of gathering sill a pair leading truck one, make the good stability of leading truck one, the axis of guide and upper lead movement, thus the guide effect that lead is played template is good, makes template offset problem can not occur.
A kind ofly transport in the guider of sewing machine above-mentioned, the madial wall of described head has gathering sill two, described leading truck two part is embedded in gathering sill two.The effect of guiding is played in the movement of gathering sill two pairs of leading trucks two, makes the good stability of leading truck two, depression bar and tugboat movement.
Compared with prior art, the guider of fortune sewing machine provided by the invention has the following advantages:
1, this fortune sewing machine guider comprises lead and lower lead, and to the template two-layer effect all playing location and guiding up and down, upper and lower two side templates can not be misplaced when mobile, and make template not depart from the track of setting, guide effect is good.
2, the eedle in this fortune sewing machine guider and upper lead are synchronized with the movement, and the through hole that eedle is through in lead, lower lead is sewed to sewing, upper lead effectively prevents sewing wrinkling when sewing, and upper lead and eedle are the same sewing grooves that are arranged in template, upper lead is good to the guide effect of template, and formwork structure is simple.
3, driven by spring one when in this fortune sewing machine guider, upper lead moves down, the upper lead power be pressed on sewing is the elastic force of spring, can prevent lead from damaging sewing by pressure, and avoid lead not template sewing groove time on lead damage by pressure template or on lead self damage problem.
4, in this fortune sewing machine guider, when the thickness of sewing is different, the height of upper lead can change along with the change of tugboat height, makes lead all can play the effect of location and guiding to the template of different-thickness, and template is picked and placeed conveniently.
Accompanying drawing explanation
Fig. 1 is the partial structurtes schematic diagram one of this fortune sewing machine.
Fig. 2 is the partial structurtes schematic diagram two of this fortune sewing machine.
Fig. 3 is the partial structurtes front view of this fortune sewing machine.
Fig. 4 is the overall structure schematic diagram one of this fortune sewing machine guider embodiment one.
Fig. 5 is the overall structure schematic diagram two of this fortune sewing machine guider embodiment one.
Fig. 6 is the overall structure schematic diagram of this fortune sewing machine guider embodiment two.
In figure, 1, head; 2, main shaft; 3, shank; 4, needle plate; 5, upper lead; 6, lower lead; 7, leading truck one; 8, the axis of guide; 9, spring one; 10, leading truck two; 11, spring two; 12, depression bar; 13, tugboat; 14, motor; 15, Triangular Arm; 16, adjusting bolt; 17, moving plate; 18, throw rod; 19, through hole; 20, eccentric wheel; 21, wobble crank; 22, swinging axle; 23, handle of buckling is lifted; 24, connecting rod; 25, connecting rod; 26, gathering sill one; 27, gathering sill two.
Detailed description of the invention
Be below specific embodiments of the invention and by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiments.
Embodiment one
As shown in Figure 1, Figure 2, Figure 3 shows, fortune sewing machine comprises head 1, main shaft 2, shank 3 and needle plate 4, main shaft 2 is arranged in head 1, main shaft 2 is connected with shank 3 by toggle, the bottom of shank 3 is used for installing eedle, and namely main shaft 2 can drive eedle to move back and forth up and down, and the lateral wall of head 1 is provided with direct driving motor, direct driving motor is connected with main shaft 2, drives main shaft 2 to rotate by direct driving motor.
As shown in Figure 4, Figure 5, this guider comprises lead 5 and lower lead 6.
Wobble crank linkage comprises cover on main shaft 2 eccentric wheel 20, eccentric wheel 20 is connected with one end of swinging axle 22 by wobble crank 21, the other end of swinging axle 22 is connected with lifts handle 23 of buckling, lift handle 23 of buckling to be connected with one end of connecting rod 24, the other end of connecting rod 24 is connected with the other end of Triangular Arm 15, the centre of Triangular Arm 15 is connected mutually with leading truck 1, and one end of Triangular Arm 15 is pressed on leading truck 2 10.
Be fixed with the axis of guide 8 in leading truck 1, upper lead 5 is connected in the bottom of the axis of guide 8, and the axis of guide 8 overcoat has spring 1, and spring 1 is positioned at the top of leading truck 1, and one end of spring 1 is against on leading truck 1, and the other end is resisted against the top of head 1.The madial wall of head 1 is fixed with gathering sill 1, leading truck 1 part is embedded in gathering sill 1.
Depression bar 12 is fixed with in leading truck 2 10, the bottom of depression bar 12 is connected with tugboat 13, the side of head 1 is fixed with motor 14, and in the present embodiment, motor 14 is stepper motors, motor 14 is connected with tugboat 13, and motor 14 can drive tugboat 13 to rotate, the screw top of head 1 is connected with adjusting bolt 16, and the top of leading truck 2 10 is provided with spring 2 11, one end of spring 2 11 is resisted against on leading truck 2 10, and the other end is resisted against in adjusting bolt 16.The madial wall of head 1 has gathering sill 2 27, leading truck 2 10 part is embedded in gathering sill 2 27.Moving plate 17 is provided with in head 1, one end of moving plate 17 is resisted against the bottom of leading truck 2 10, centre and the head 1 of moving plate 17 are hinged, the other end of moving plate 17 is connected with the throw rod 18 on head 1 lateral wall, leading truck 2 10, depression bar 12 and tugboat 13 can be made to move up by pulling throw rod 18, simultaneously because Triangular Arm 15 is pressed on leading truck 2 10, namely pull throw rod 18 and can synchronously drive tugboat 13 and upper lead 5 to move up.
Lower lead 6 is arranged on needle plate 4, upper lead 5 and lower lead 6 vertically just to setting, and all have in upper lead 5 and lower lead 6 run through and the through hole 19 that passes for eedle, Sewing machines is when sewing, and eedle is through this through hole 19.
Embodiment two
As shown in Figure 6, the present embodiment is substantially identical with principle with the structure of embodiment one, different places is, wobble crank linkage in the present embodiment uses connecting rod 25 to substituted for lifting in embodiment one and to buckle handle 23, and connecting rod 25 is connected mutually with the other end of swinging axle 22.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Although more employ head 1, main shaft 2, shank 3, needle plate 4, upper lead 5, lower lead 6, leading truck 1, the axis of guide 8, spring 1, leading truck 2 10, spring 2 11, depression bar 12, tugboat 13, motor 14, Triangular Arm 15, adjusting bolt 16, moving plate 17, throw rod 18, through hole 19, eccentric wheel 20, wobble crank 21, swinging axle 22 herein, lift the terms such as handle 23 of buckling, connecting rod 24, connecting rod 25, gathering sill 1, gathering sill 2 27, do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present invention more easily; The restriction that they are construed to any one additional is all contrary with spirit of the present invention.