CN201148516Y

CN201148516Y - Machine for sewing cuff

Info

Publication number: CN201148516Y
Application number: CNU2008200425800U
Authority: CN
Inventors: 殷贵怀
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-01-07
Filing date: 2008-01-07
Publication date: 2008-11-12
Anticipated expiration: 2018-01-07

Abstract

The utility model provides a bottom hemming machine used for sewing the bottom of trousers. A cloth sending tugboat assembly of an integral machine head comprises a vertical shaft component which is arranged vertically with conical gears at two ends and an upper shaft component and a lower shaft component which are arranged horizontally and are respectively meshed with the conical gears. The upper shaft component is connected with a synchronous shaft component by an interlinkage component. The synchronous shaft component is arranged between the upper and the lower shaft components. The synchronous shaft component is used for sending the cloth synchronously, thereby avoiding delaying stitch or breaking a needle. The interlinkage component consists of an eccentric cover, a connecting rod component and a stitch length adjustor. The eccentric cover is a cam structure. Two ends of the connecting rod are respectively connected with the eccentric cover and a stitch length adjusting screw which is arranged inside a stitch length adjustor slide way. The stitch length density can be adjusted by changing the position of the screw, and the gears are not required being changed, so the operation is simple and convenient. A lever component and a restoring spring component are arranged inside a knee-control presser foot component, and a force transfer structure during the operation is more reasonable and saves labor. An oil passage is provided with an oil pump, thereby satisfying the lubricant requirement of the whole machine and reducing the damage rate of the components inside the machine.

Description

A kind of rumble pin machine of the bottom of s trouser leg that is used to sew

Technical field

The utility model relates to the industrial sewing machine technology, relates in particular to a kind of rumble pin machine of the bottom of s trouser leg that is used to sew.

Background technology

The rumble pin machine of the existing industrial sewing bottom of s trouser leg comprises whole head, platen, foot rest, coil holder, biography line parts and motor, work feed tugboat mechanism in the whole head adopts motor belt driven gear structure, because this tugboat complex structure, not only mechanical breakdown takes place frequently, and the cloth operation time also is difficult to make cloth, pin synchronous in the work, pin, broken needle phenomenon often appear dragging, be head it off, adopt the balancing point shelf structure to alleviate and drag pin, broken needle phenomenon, drag pin, broken needle phenomenon but still fail fundamentally to solve.In addition, when need regulating processing cloth needle gage, change required needle gage density gear and regulate the balancing point frame, could metering needle apart from density, reduced operating efficiency and shortened service life of machine.The lubricant passage way oil-less pump pump oil of rumble pin machine in the prior art, just be stained with oil to lubricating cup by belt, and can't be for foot required oil mass when machine runs up, can make machine when running up, cause machine breakdown because of oil starvation, and the rumble pin machine oil road of using at present can't arrive the shuttle race position, and is lubricated by hand oiling, if there is carelessness that shuttle race will be damaged at short notice, the shuttle race of having to more renew just can make the machine operate as normal.The presser foot of rumble pin machine is heavy in the prior art, and the operator must use both feet work just can have a machine in operation, and the rotating shuttle complex structure.Thereby increased cost, reduced operating efficiency.

The utility model content

The purpose of this utility model is to overcome the defective that prior art exists, and a kind of rumble pin machine of the bottom of s trouser leg that is used to sew is provided, and can avoid dragging pin, broken needle phenomenon, and prolong the service life of machine.

In order to address the above problem, the utility model adopts following technical scheme: the utility model is a kind of be used to the to sew rumble pin machine of the bottom of s trouser leg, the work feed tugboat assembly of whole head comprise the two ends of vertical setting be bevel gear the vertical pivot assembly, horizontally disposed respectively with the last shaft assembly and the following shaft assembly of bevel gear engagement, last shaft assembly is connected with the synchronizing shaft assembly by linkage unit, and the synchronizing shaft assembly is set between shaft assembly and the following shaft assembly and is parallel with it; Linkage unit is made of eccentric bushing, link assembly and needle gage adjuster, and eccentric bushing is installed in going up on the axle in the shaft assembly, is cam structure, the two ends of link assembly respectively with eccentric bushing be located at needle gage adjuster chute in the needle gage adjusting screw(rod) fixedly connected; Be provided with leverage component and back-moving spring parts in the knee control-presser foot component of whole head, to realize that presser feet lifts or press workpiece under the knee control; Be provided with oil pump in the oil circuit.

The described axle of going up of going up shaft assembly is connected motor with the outside of last shaft gear one end of vertical pivot assembly engagement by belt pulley, the other end connects the shank assembly by thread take-up mechanism, the other end of the lower shaft of following shaft assembly connects rotating shuttle, one end of the synchronizing shaft of synchronizing shaft assembly inserts head, and the other end connects the drawing-inroller parts.

Described eccentric bushing can be made eccentric rotary around last axle, the needle gage adjuster is socketed on the synchronizing shaft in the synchronizing shaft assembly by unilateral bearing and plain bearing, above axle drives eccentric interplanting eccentric rotary, the motion of drivening rod assembly, and pass through needle gage adjusting screw(rod) drive needle gage adjuster around the synchronizing shaft swing, can come the density of metering needle distance by changing the position of needle gage adjusting screw(rod) in chute.

Described synchronizing shaft assembly also comprises and being located on the synchronizing shaft: decide rotary-inversion axis and hold, its inside and outside internal axle sleeve and outer shaft of being set with, be used to control synchronizing shaft and rotate, decide that rotary-inversion axis holds, decides rotary-inversion axis cover and unilateral bearing is used to make synchronizing shaft to rotate to a direction all the time in appointed positions; Work feed wheel is gone up axle and work feed wheel lower shaft, and the two rotates synchronously by the engagement that is separately positioned on last work feed driven wheel on it and following work feed driven wheel, and work feed is taken turns upward and spool to be connected with synchronizing shaft by universal drive shaft.

Knee control mechanism in described knee control-presser foot component is by axle-rise and to draw sub-assembly, connect lift lever through knee control back-moving spring, lift lever connects upper and lower lever by chain, following lever connects the presser foot lifting lever with lever function through pull bar, presser foot lifting lever connects the loose ends lever plate by saddle-lifting arm sub-assembly, the loose ends lever plate connects Pressure-bar spring through the depression bar component, and Pressure-bar spring connects presser feet by feeding material component.

The collision block pad of described knee control mechanism and knee control collision block are fixed on the knee control knee by the collision block frame, and knee control knee is through collision block knee joint connecting axle successively-work the knee control hinge axis draw in the sub-assembly and play a reel assemblies.

The oil pump on described lubricant oil feeding pipe road is arranged on the bottom of vertical pivot, start oil pump work by motor by vertical pivot, last axle and lower shaft are hollow pipe, as oil pipeline, lubricating oil is transported to the position that needs with last petroleum pipeline, also be provided with oil return pipe in the lubricant oil feeding pipe road, unnecessary oil pump can be returned.

Compared with prior art, because the rumble pin machine of the bottom of s trouser leg that is used to sew of the present utility model uses the eccentric bushing drivening rod assembly driving needle of cam structure apart from adjuster, realize cloth is taken turns work feed by upper and lower work feed synchronously through synchronizing shaft, avoided dragging pin, broken needle phenomenon; And adopt the change screw position to come metering needle apart from density, and need more gear changing, easy and simple to handle; Be connected with a joggle by the vertical pivot assembly and go up lower shaft and drive rotating shuttle and shank assembly respectively, make rotating shuttle and pin synchronous; Adopt leverage component and back-moving spring parts in knee control-presser foot component, force transferring structure is more reasonable, laborsaving in the operation; The oil of lubricant passage way can be supplied with the parts that all need fuel feeding under the drive of oil pump, satisfy the lubricated needs of complete machine, reduces the spoilage of machine intimate spare.

Below in conjunction with accompanying drawing and preferred embodiment advantage of the present utility model and other characteristics are further described.

Description of drawings

Fig. 1 is the front appearance schematic diagram of the rumble pin machine of a kind of bottom of s trouser leg that is used to sew of the utility model.

Fig. 2 is the inside perspective view of rumble pin machine shown in Figure 1.

Fig. 3 is the schematic perspective view that linkage unit is connected with the synchronizing shaft assembly.

Fig. 4 and Fig. 5 are respectively the front view and the right views of linkage unit.

Fig. 6 is the perspective view of knee control-presser foot component.

Fig. 7 is an oil circuit mechanism schematic perspective view.

Fig. 8 is that oil circuit shown in Figure 7 mechanism is placed in the layout schematic diagram in the whole head.

The specific embodiment

Fig. 1 is the front appearance schematic diagram of the rumble pin machine of a kind of bottom of s trouser leg that is used to sew of the utility model.The utility model is to the improvement of existing rumble pin machine, has improved the part-structure of whole head 100 inside, has increased the lubricant oil feeding pipe road.The position that the knee that knee piece pad 621 in the knee control mechanism is positioned at the operator is convenient to run into.

As shown in Figure 2, the work feed tugboat assembly of the whole head 100 of rumble pin machine vertically is being provided with the vertical pivot assembly, and the two ends of its vertical pivot 200 are respectively equipped with on the vertical pivot bevel gear 202 under the bevel gear 201 and vertical pivot.Be provided with shaft assembly and following shaft assembly in the horizontal direction, bevel gear 201 engagements on the last shaft gear 301 of last shaft assembly and the vertical pivot, bevel gear 202 engagements under the lower shaft gear 401 of following shaft assembly and the vertical pivot.Vertical pivot 200 is provided with vertical pivot Upper shaft sleeve 203 and vertical pivot Lower shaft sleeve 204, is used to control vertical pivot 200 and rotates at assigned address.The outside of going up last shaft gear 301 1 ends of bevel gear 201 engagements on axle 300 and the vertical pivot of last shaft assembly is connected motor 101 by belt pulley 102, belt (not shown), and the other end passes through thread take-up mechanism 309 connection shank assemblies 310.Last axle 300 is provided with an axle protheca 306, go up in the axle cover 307 and go up axle back cover 308, is used to control spools 300 and rotates at assigned address.The other end of the lower shaft 400 of following shaft assembly connects rotating shuttle 405, and lower shaft 400 is provided with lower shaft left axle sleeve 402, lower shaft bottom bracket axle 403 and lower shaft rear axle housing 404, is used to control lower shaft 400 and rotates at assigned address.Be connected with a joggle upper and lower 300 and 400 by vertical pivot 200, drive rotating shuttle 405 and 310 work of shank assembly respectively, make rotating shuttle 405 and eedle 311 synchronous.

Fig. 3 to 5 illustrates being connected and structure of linkage unit and synchronizing shaft assembly.Last shaft assembly is connected with the synchronizing shaft assembly by linkage unit, and the synchronizing shaft assembly is set between shaft assembly and the following shaft assembly and is parallel with it.One end of the synchronizing shaft 500 of synchronizing shaft assembly inserts complete machine head 100 together with axle sleeve 501, and the other end connects the drawing-inroller parts.Linkage unit is made of eccentric bushing 302, link assembly 305 and needle gage adjuster 502, is provided with capacity eccentric bearing 303 and the cam 304 that is installed on the axle 300 in the eccentric bushing 302, and cam 304 can be with last axle 300 rotations; Fixedly connected with needle gage adjuster 502 with eccentric bushing 302 respectively in the two ends of link assembly 305, the screw-bearing 508 that link assembly 305 is provided with by its underpart is connected with the needle gage adjusting screw(rod) 506 in being located at needle gage adjuster chute 505 and fixes the wearing and tearing when screw-bearing 508 can reduce needle gage adjuster 502 and link assembly 305 relative motions with nut 507; Needle gage adjuster 502 is socketed on the synchronizing shaft 500 by unilateral bearing 504 and plain bearing 503, above axle 300 drives eccentric bushing 302 and makes eccentric rotary, 305 motions of drivening rod assembly, and pass through needle gage adjusting screw(rod) 506 drive needle gage adjusters 502 around synchronizing shaft 500 swings, can be by changing the position of needle gage adjusting screw(rod) 506 in chute 505, come the density of metering needle distance, simple.

Also be provided with on synchronizing shaft 500 and decide rotary-inversion axis and hold 509, its inside and outside internal axle sleeve 510 and outer shaft 511 of being set with is used to control synchronizing shaft and rotates in appointed positions; Deciding rotary-inversion axis holds 509, decides rotary-inversion axis cover 512 and unilateral bearing 504 is used to make synchronizing shaft to rotate to a direction all the time; Work feed wheel is gone up axle 516 and work feed wheel lower shaft 517, and the two rotates synchronously by the engagement that is separately positioned on last work feed driven wheel 514 on it and following work feed driven wheel 515, and the work feed wheel is gone up spools 516 and passed through the universal joint (not shown) and be connected with synchronizing shaft 500.The internal axle sleeve 510 of synchronizing shaft 500 and outer shaft 511 control synchronizing shafts 500 rotate in appointed positions.The work feed wheel is gone up axle 516 and is connected the drawing-inroller parts with work feed wheel lower shaft 517.

Fig. 6 illustrates the structure of knee control-presser foot component.Be provided with leverage component and back-moving spring parts in knee control-presser foot component, to realize that presser feet lifts or press workpiece under the knee control.Knee control mechanism in knee control-presser foot component is connected lift lever 613 through knee control back-moving spring 615 with knee control hinge shaft sleeve 614 by axle-rise and to draw sub-assembly.Lift lever 613 has connected upper lever 610-2, bearing 611 and following lever 610-3 in the presser foot component 610 by chain 612, and bearing 611 two ends and head are connected.Following lever 610-3 connects the presser foot lifting lever 608 with lever function through pull bar 610-1, the middle part of presser foot lifting lever 608 is provided with screw hole 609, adopt screw rod (not shown) and head to fix, making presser foot lifting lever 608 can the middle part screw rod be fulcrum, and two ends move up and down with the knee control.Presser foot lifting lever 608 is connected loose ends lever plate 603 by the presser bar spring bracket 605 in saddle-lifting arm sub-assembly with lifting arm assembly 604, loose ends lever plate 603 connects stage clip regulating sleeve 606 and Pressure-bar spring 607 through depression bar component 602, and Pressure-bar spring 607 connects presser feet 600 by feeding material component.The collision block pad 621 of knee control mechanism and knee control collision block 620 are fixed on the knee control knee 619 by collision block frame 622, and knee control knee 619 is through collision block knee joint 618 connecting axle successively-work the knee control hinge axis 617 draw in the sub-assembly and rise and draw with assembly 616.During operation, promote collision block pad 621 with knee, presser feet 600 lifts, and puts trousering; After putting well, knee unclamps collision block pad 621, and presser feet 600 is pressed on the workpiece; Workpiece is finished, and promotes collision block pad 621 with knee again, and presser feet 600 lifts, and takes out trousers spare.This knee control-presser foot component force transferring structure in operation is reasonable, uses single pin can drive complete machine and presser feet, and the another pin is used for the knee control, and is laborsaving and efficient is high.

Fig. 7 and 8 illustrates oil circuit mechanism and the layout in whole head thereof.Be provided with oil pump 700 in the lubricant oil feeding pipe road, oil pump 700 is arranged on the bottom of vertical pivot 200, starts oil pumps 700 work by motor 101 by vertical pivot 200, is provided with the food tray (not shown) below the oil pump 700.Last axle 300 and lower shaft 400 are hollow pipe, as oil pipeline, lubricating oil are transported to the position that needs with last petroleum pipeline 701.Also be provided with oil return pipe 702 in the lubricant oil feeding pipe road, be provided with oil return opening 703, unnecessary oil pump can be back to food tray, recycling in the bottom of rotating shuttle 405.

Claims

1, a kind of rumble pin machine of the bottom of s trouser leg that is used to sew, comprise whole head, platen, foot rest, coil holder, cross line parts and motor, it is characterized in that, the work feed tugboat assembly of whole head comprise the two ends of vertical setting be bevel gear the vertical pivot assembly, horizontally disposed respectively with the last shaft assembly and the following shaft assembly of bevel gear engagement, last shaft assembly is connected with the synchronizing shaft assembly by linkage unit, and the synchronizing shaft assembly is set between shaft assembly and the following shaft assembly and is parallel with it;

Linkage unit is made of eccentric bushing, link assembly and needle gage adjuster, and eccentric bushing is installed in going up on the axle in the shaft assembly, is cam structure, the two ends of link assembly respectively with eccentric bushing be located at needle gage adjuster chute in the needle gage adjusting screw(rod) fixedly connected;

Be provided with leverage component and back-moving spring parts in the knee control-presser foot component of whole head, to realize that presser feet lifts or casting die under the knee control;

The lubricant oil feeding pipe road is set, is provided with oil pump in the oil circuit.

2, the rumble pin machine of a kind of bottom of s trouser leg that is used to sew according to claim 1, it is characterized in that, the described axle of going up of going up shaft assembly is connected motor with the outside of last shaft gear one end of vertical pivot assembly engagement by belt pulley, the other end connects the shank assembly by thread take-up mechanism, the other end of the lower shaft of following shaft assembly connects rotating shuttle, one end of the synchronizing shaft of synchronizing shaft assembly inserts head, and the other end connects the drawing-inroller parts.

3, the rumble pin machine of a kind of bottom of s trouser leg that is used to sew according to claim 2, it is characterized in that, described eccentric bushing can be made eccentric rotary around last axle, the needle gage adjuster is socketed on the synchronizing shaft in the synchronizing shaft assembly by unilateral bearing and plain bearing, above axle drives eccentric interplanting eccentric rotary, the motion of drivening rod assembly, and pass through needle gage adjusting screw(rod) drive needle gage adjuster around the synchronizing shaft swing, can come the density of metering needle distance by changing the position of needle gage adjusting screw(rod) in chute.

4, the rumble pin machine of a kind of bottom of s trouser leg that is used to sew according to claim 3, it is characterized in that, described synchronizing shaft assembly also comprises and being located on the synchronizing shaft: decide rotary-inversion axis and hold, its inside and outside internal axle sleeve and outer shaft of being set with, be used to control synchronizing shaft and rotate, decide that rotary-inversion axis holds, decides rotary-inversion axis cover and unilateral bearing is used to make synchronizing shaft to rotate to a direction all the time in appointed positions; Work feed wheel is gone up axle and work feed wheel lower shaft, and the two rotates synchronously by the engagement that is separately positioned on last work feed driven wheel on it and following work feed driven wheel, and work feed is taken turns upward and spool to be connected with synchronizing shaft by universal drive shaft.

5, the rumble pin machine of a kind of bottom of s trouser leg that is used to sew according to claim 1, it is characterized in that, knee control mechanism in described knee control-presser foot component is by axle-rise and to draw sub-assembly, connect lift lever through knee control back-moving spring, lift lever connects upper and lower lever by chain, following lever connects the presser foot lifting lever with lever function through pull bar, presser foot lifting lever connects the loose ends lever plate by saddle-lifting arm sub-assembly, the loose ends lever plate connects Pressure-bar spring through the depression bar component, and Pressure-bar spring connects presser feet by feeding material component.

6, the rumble pin machine of a kind of bottom of s trouser leg that is used to sew according to claim 5, it is characterized in that, the collision block pad of described knee control mechanism and knee control collision block are fixed on the knee control knee by the collision block frame, and knee control knee is through collision block knee joint connecting axle successively-work the knee control hinge axis draw in the sub-assembly and play a reel assemblies.

7, the rumble pin machine of a kind of bottom of s trouser leg that is used to sew according to claim 1, it is characterized in that, the oil pump on described lubricant oil feeding pipe road is arranged on the bottom of vertical pivot, start oil pump work by motor by last through-drive to vertical pivot, last axle major part is a hollow pipe, as oil pipeline, lubricating oil is transported to the position that needs with last petroleum pipeline, also be provided with oil return pipe in the lubricant oil feeding pipe road, unnecessary oil pump can be returned.