CN2142465Y

CN2142465Y - Hemming machine with improved transmission and suture arm

Info

Publication number: CN2142465Y
Application number: CN 92245487
Authority: CN
Inventors: 吴昆连
Original assignee: Individual
Current assignee: Individual
Priority date: 1992-12-28
Filing date: 1992-12-28
Publication date: 1993-09-22
Anticipated expiration: 2002-12-28

Abstract

The utility model relates to a hemming interior wiring machine with improved transmission and suture arm, especially a special machine for stitching sole interior wiring with an improved needle pitch transmission structure, a suture transmission structure, a suture arm, a belt combine wheel, etc. The needle pitch transmission structure makes the needle stand oscillate more stably and parts depreciation rate reduce to lowest. The suture transmission structure is more suitable to soleaeform, which can stitch effectively joint the inner face of the shoes. The suture device oscillating arm swings at an angle by a servomotor and a clutch gearwheel to assistant, and the processing needle craft turns more rapidly and energy-saving. If the belt clutch wheel structure is blocked in the process of stitching, the motor dynamic and the propeller shaft can separate automatically and safety. The machine combined by parts for stitching sole interior wiring is rapid, stable, labor-saving when working and the parts have long service life.

Description

Hemming machine with improved transmission and suture arm

The utility model relates to a kind of tape edge insole stiching machine that has the transmission of improvement and collude the line rocking arm, especially refer to a kind of colluding line drive mechanism, needle gage drive mechanism and colluding the sole inner thread sewing machine of line device swing arm of improvement that have, this sewing machine all obtains raising significantly on parts life-span, operating efficiency and processing quality.

Tape edge insole stiching machine (being the sole inner thread sewing machine) for engage with vamp in order to the sewing sole or vamp and vamp within the machinery of suturing with thread management, traditional sewing machine is except the easy wearing and tearing of start poor stability, part of needle gage, it colludes the line device improper (can't adapt to shoe-shaped) is set, colluding the swing arm of line device is hand, the worker need consume power and take great energy, and causes productivity to hang down inferior defective.

The needle gage drive mechanism of traditional general sewing machine sewing machine, the swing of its car pin relies on the power transmission shaft after the off-centre, controls the swing of car pin by slide block moving in the chute of needle stand.Because slide block fast moving ceaselessly, and with the friction of chute face, so very fast appearance mill and produce the gap causes transmission uncertain, and then quickens the damage of part; And, also dislike stable not enough and easy the damage with regard to regard to the whole needle stand of single slide block band transmission.

Traditional again line device that colludes, its by single power transmission shaft stretch out in conjunction with and directly drive, collude the line device and must stretch into bosom in the footwear, promptly the line action is colluded at toe-cap and both sides place with the knee-action that cooperates the car pin.Yet because power transmission shaft is straight, vamp to be processed must be done the kinking of certain degree, can make colluding the line device and stretching into the toe-cap corner, thus the quality of influence processing.Collude the rocking arm of line device again with connection, traditional line device rocking arm that colludes, all cooperate the sewing process and rotate swing arm, sewing up at the both sides, position, sharp turn of toe-cap, yet operator's palpus one holds footwear body mobile rocking arm on the other hand, not only inconvenience, effort are and easily tired, and the easier processing quality that causes is bad.

In addition, ought take place at work under clamp, the card wire condition traditional sewing machine, because the line footpath is quite thick, toughness is powerful, the general equal transmission device that can make pauses, this fault of the running part of power can cause the damage of motor, or Yin Mada horsepower foot and can drive running part by force, thereby cause damaging the footwear body in parts and the processing.This is that the power of motor is directly entered through belt, belt pulley transmission due to the design defect of driving shaft by motor spindle.

Main purpose of the present utility model is to provide a kind of tape edge inner thread sewing machine that has the transmission of improvement and collude the line rocker structure, this transmission and the improvement of colluding the line rocker structure, be embodied in this tape edge inner thread sewing machine the pin drive mechanism, collude the line drive mechanism, collude in the improvement of aspect structures such as line rocking arm and belt castle wheel.

A kind of its provided by the utility model has the transmission of improvement and colludes line rocking arm tape edge insole stiching machine, basically drive needle stand synchronously by a needle stand that on body, comprises, a needle gage drive mechanism, one and make the accessory drives structure, of swing and can stretch in the footwear depths and form as the institutes such as automatic rocker structure, a clutch and a nested base of colluding line drive mechanism, servo motor control that sewing colludes line, wherein:

This needle gage drive mechanism comprises that one is combined in the main shaft that revolves ROTATING SOURCE, and main shaft slightly is provided with an eccentric wheel in the place, centre position, and eccentric wheel sleeve is established with a rocker; Rocker end rapids is in conjunction with a pivot, and pivot grabs cover in conjunction with a left side and cover is grabbed on a right side; The swinging axle of cover clamping one and spindle parallel is grabbed on the right side, and the swing the tip of the axis is put plate below projection one projection in conjunction with a pendulum plate; This projection combines with a slide block that inserts in the needle stand, during for main axis rotation, drives rocker by eccentric wheel and moves up and down and make swinging axle do the rotation of limited angle, and natural zone movable pendulum plate affects slide block and makes the needle stand swing.

This accessory drives structure has an asessory shaft, be located at outside the body by the two bearings mounting, cover is grabbed on above-mentioned left side of clamping on it, auxiliary the tip of the axis stretches to the needle stand side, the end is in conjunction with a frid, be provided with a traveller in the elongated slot of frid and in conjunction with a slide block, the fork sheet fork of one tool open slot contains this slide block, make slide block in this groove, move, the tail end of fork sheet closes by a pull bar and a stator pivot, stator then is fixed on the holder of needle stand with screw, does local swing and makes its oscillatory forces transmission see through frid for asessory shaft, the fork plate, pull bar, stator, thus make the needle stand swing.

The above-mentioned needle gage drive mechanism and the accessory drives structure of needle stand swing of making also can cooperate synchronization action, makes needle gage swing more stable structure and constitute;

This colludes the curved shell that the line drive mechanism comprises that an axle housing and combines with axle housing, cooperatively interact with the bevel gear set and the commutating tooth wheels that are arranged in the curved shell by an inclination power transmission shaft that is arranged in the axle housing, change the power transmission shaft rotation direction, the line device that colludes that is positioned at curved shell end with order rotates, and makes it to stretch into the sole depths and carry out sewing for colluding the line device;

This automatic rocker structure is by a servo motor driven first chain wheel set, through first of first chain wheel set and spool on clutch gear, clamping ring and power reached second Positioning Gear, controllably drive the angle that centre mount and rocking arm are rocked to requirement through second chain wheel set again, wherein clutch gear is sleeved on the bushing bearing again, establish one on it and stretch out extra-organismal push rod, borrow to pass clutch gear, make it to become bonding state with clamping ring, and the clutch gear end face is provided with a projection, can with a plurality of apertures on the clamping ring in one of cooperate and be fastened.

This castle wheel has integrated flywheel and belt pulley, and be provided with mesopore, be provided with in the mesopore with Needle bearing, it establishes a friction plate near edge on the end face of belt pulley, other is the person, this nested base is sleeved in the Needle bearing and a thrust bearing of castle wheel, one distal process is stretched into an ora terminalis, its mesopore combines with spindle end, on nested base, penetrate in the mesopore securely in conjunction with this main shaft with two screws, the other end of nested base is provided with a screw thread and a key, borrow to adjust button in conjunction with one, suppress a spring, so that pushing is arranged at the wheel that presses with keyhole on the nested base, cooperate spring just can adjust its pressure size by adjusting button, making friction plate with pressing the certain frictional force of tool between wheel and make it can interlock, thereby the disengaging type restraining harness that forms an adjustable seamless power is taken turns.

The utility model major advantage is that the transmission of needle gage drive mechanism of a kind of sole inner thread sewing machine of being provided is more firm stable, can reduce the wearing and tearing of part.

A kind of configuration of colluding the line drive mechanism by a bending that provides is provided another advantage of the present utility model, makes it collude the line device and can stretch in the crooked shoe-shaped so that sew up.

Another advantage of the present utility model is that a kind of line device that colludes that is provided can reach laborsaving, convenient, also can control the footwear body to do more accurate sewing operation by servo motor and clutch gear control rocking arm rotation angle.

When another advantage again of the present utility model is that a kind of castle wheel that provided and nested base can suffer the retardance resistance excessive in the sewing process, motor power is separated automatically with power transmission shaft, thereby a kind of safeguard construction is provided.

The utility model is described in further detail below in conjunction with drawings and Examples.

Fig. 1 is the overall appearance figure that has the transmission of improvement and collude the tape edge inner thread sewing machine of line rocker structure of the present utility model;

Fig. 2 is needle gage drive mechanism figure of the present utility model;

Fig. 2 .1 is main shaft, swinging axle, asessory shaft and the eccentric binding action schematic diagram of needle gage drive mechanism of the present utility model;

Fig. 3 is the profile that colludes line device transmission mechanism of the present utility model;

Fig. 4 is an action schematic diagram of colluding with the device rocking arm of the present utility model;

Fig. 5 is the exploded perspective view of castle wheel of the present utility model and nested base;

Fig. 6 is the cross section view after castle wheel of the present utility model and the nested base combination.

Now see also Fig. 1 again, be depicted as a kind of sole inner thread sewing machine that has the transmission of improvement and collude the line rocker structure of the present utility model, this sewing machine comprises: 2(is not shown for body A, needle stand 1, needle gage drive mechanism), accessory drives structure 3, collude line drive mechanism 4, automatically rocker structure 5, castle wheel 6 and nested base 7 etc.

Figure 2 shows that transmission of the present utility model and collude the line rocker structure, the action that needle stand shown in it 1, needle gage drive mechanism 2, accessory drives structure 3 cooperatively interact can move up and down to make the car pin 17 on the needle stand 1 and to give as security pin 16, and make whole needle stand 1 in the swing of motion cycle intercropping rule, to reach the effect that moves by certain needle gage.

As seen in Fig., the rotation of main shaft 20 rotation that stems from motor drives due to the belt movement.20 on main shaft is fixed with an eccentric wheel 21, and eccentric wheel 21 is embedded in a rocker 22, and eccentric wheel 21 can rotate in the hole of rocker 22.Rocker 22 ends are in conjunction with a pivot 23, make it to grab cover 24 and one left side with a right side and grab cover 32 and combine.The right side is grabbed cover 24 and is clamped a swinging axle 25, and the end of swinging axle 25 has a pendulum plate 26.Below projection one projection 27 of pendulum plate 26, this projection 27 combines with the slide block 13 of needle stand 1.

In addition, 32 clamping one asessory shafts 30 of cover are grabbed on a left side.30 of asessory shafts close in the body A outside by diaxon bearing 31 pivots, and its end also stretches to the side of needle stand 1, and the end is in conjunction with a frid 33.Be provided with a traveller 37 in the elongated slot of frid 33 and in conjunction with a slide block, fork sheet 34 bottom-up forks that are the opening slot shape contain slide block in its fork pockets.Fork sheet 34 closes by pull bar 35 and a stator 36 pivots.36 of stators are incorporated into screw on the holder 19 of needle stand 1.

The end of main shaft 20 also is provided with a cam and moves up and down to drive car pin 17 and to give as security pin 16.

See also Fig. 2 .1, be depicted as the binding action diagram of main shaft 20, swinging axle 25, asessory shaft 30 and eccentric wheel 21.When main shaft 20 rotated, eccentric wheel 21 also rotated thereupon, and nature can make rocker 22 teetertotter with the rotation of eccentric wheel 21, and an end of its rocker is by due to pivot 23 tractives.Because pivot 23 is held in the centre position by two bearing positions fixing swinging axle 25 and asessory shaft 30 arches, so 23 on pivot moves up and down.Cover 32 is grabbed on a left side, 24 swings of being pulled on, leave behind thereupon of cover are grabbed on the right side, is grabbed swinging axle 25, asessory shaft 30 that cover keeping a firm hand on and then does rotation around the central axis of controlling oneself naturally.

At swinging axle 25 ends, pendulum plate 26 drives projection 27 naturally and swings.Slide block 13 also drives whole needle stand 1 and swings around this pivot hole 11 except sliding up and down.

Simultaneously, be subjected to the asessory shaft 30 terminal frids 33 that drive of rotation, by moving of traveller 37, interlock fork sheet 34, pulling pull bar 35 are to stator 36, do synchronous swing thereby make needle stand 1 except that being subjected to above-mentioned projection 27 also to be subjected to the drive of traveller 37 driving, borrow it to reach teamwork, make the needle gage swing of needle stand 1 more stable, and can therefore reduce the adverse consequences that is produced after slide block 17 independent stressed wearing and tearing that cause and the wearing and tearing by swinging axle 25 and asessory shaft 30.

See also Fig. 3, be depicted as and collude line drive mechanism 4, this colludes line drive mechanism 4 and stretches in the curved shell 42 that is incorporated on this axle housing 43 by the acclivitous power transmission shaft 41 in the axle housing 43, this power transmission shaft 41, prior to changing its transmission direction by a bevel gear set 44 in the curved shell 42, drive one through a gear train 45 again and collude line device 46 and rotate and reach and collude the line effect.Because the design of the drive mechanism of this kind bending makes the head that colludes line device 4 can stretch into the interior bosom of footwear body,, reduce the distortion injury of vamp epidermis so that carry out the stitching operation of vamp and sole interior lines.

See also Fig. 4, be depicted as automatic rocker structure 5, this automatic rocker structure 5 comprises: a servo motor 50.This servo motor drives first chain wheel set 51 and makes first 54 rotation.But the stop ring 52 blocking clutch gears 53 of position on first 54 rotate, clutch gear 53 transmission Positioning Gears 56 and second 55.Through second chain wheel set 57, can drive centre mount 58 and rotatablely move again, thereby make Rocker arm 59 swings.

Wherein, clutch gear 53 is sleeved on the bushing bearing 531, and another push rod 532 also is located on the bushing bearing 531, and the bushing bearing 531 that 532 of mobile putters can be made comprise clutch gear 53 moves on first 54.The end face of clutch gear 53 is provided with a small convex pillar 533, also be provided with the hole 521 of a plurality of annular arrangements on the corresponding clamping ring 52, bushing bearing 531 is being moved when pushing clamping ring 52 to, former be not subjected to rotate for first 54 influence the clutch gear 53 that keeps motionless, because of its projection 533 snap in the hole 521 after just with first 54 rotation.This clutch gear 53 snaps on the position of stop ring and be able to and make it to rotate with Positioning Gear 56 engagements at it, and the action with effective control rocking arm of borrowing impels laborsaving, the rapid convenience of work, and can improve processing quality.

Please consult Fig. 5 and Fig. 6 again, be depicted as each part and and the combination of forming castle wheel 6 and nested base 7.Castle wheel 6 comprises integrated flywheel 61 and belt pulley 62.Belt pulley 62 can rotate under the drive of motor and driving belt thereof.The place establishes mesopore 60 in the middle of this castle wheel, in establish a Needle bearing 63, establish a friction plate 64 that constitutes by cork or rubber etc. at it near edge on end face of belt pulley 62.The mesopore 70 of nested base 7 combines with main shaft 20, and the one end is an ora terminalis 75, and the other end is sheathed with screw thread 73, and it is interior with fixed main shaft 20 into mesopore 70 that two-screw 71 runs through.Its stage casing part is established a keyway 79 in addition, so that place a key 72; One thrust bearing, 74 covers terminate in ora terminalis 75 inboards and are incorporated in the mesopore 60 of castle wheel 6; Simultaneously the other end of nested base 7 passes castle wheel 6 and fit presses wheel 78 with one.Engage with key 72 by strong groove 79.Can establish a spring 76 after pressing wheel 78, and be screwed together on the screw thread 73, thereby so that compacting spring 76 is adjusted the pressure that presses 78 pairs of friction plates 64 of wheel by an adjustment button 77.

When supposition expectation work stressed safe bearing load is one kilogram, can bestows the pressure that presses wheel 78 and press the frictional force of wheel and be directly proportional adjusting scale place spring 76 that button 77 transfer to one kilogram to 64 of wearing pieces.When being blocked in the parts sewing, after main shaft 20 stalls, nested base 7 is motionless thereupon naturally.Belt pulley 62 is owing to still being spurred by motor belt, so when main shaft 20 is stagnated, just may bear greater than one kilogram of torsion.The one kilogram of frictional force that presses wheel 78 and 64 settings of friction plate is just because main shaft blocks torsion greater than one kilogram, pressing wheel 78 gets loose with contacting just of friction plate 64, thereby make each parts that comprises main shaft 20, nested base 7, adjusts button 77, spring 76, presses wheel 78 all be in halted state, castle wheel 6 then can be rotated further because of connecting motor power.The clutch function that is presented is provided at the footwear of parts or processing, when colluding ply-yarn drill and stagnating, can be used as the safeguard construction of protection motor, parts thus.

Claims

1, a kind of tape edge insole stiching machine that has the transmission of improvement and collude the line rocking arm, consist essentially of: the needle stand on body, a needle gage drive mechanism, one drive needle stand synchronously and make the accessory drives structure, of swing and can stretch into depths in the footwear and collude automatic rocker structure, a castle wheel and the nested base etc. that collude line drive mechanism, servo motor control of line as sewing, it is characterized by:

This needle gage drive mechanism comprises that one is combined in the main shaft of rotating power source, and main shaft slightly is provided with an eccentric wheel in the place, centre position, and eccentric wheel sleeve is established with a rocker; The rocker end is in conjunction with a pivot, and pivot grabs cover in conjunction with a right side and cover is grabbed on a left side; The swinging axle of cover clamping one and spindle parallel is grabbed on the right side; The swing the tip of the axis is in conjunction with a pendulum plate, projection one projection below the pendulum plate; This projection combines with a slide block that inserts in the needle stand, during for main axis rotation, drives rocker by eccentric wheel and moves up and down and make swinging axle do the rotation of limited angle, and natural zone movable pendulum plate affects slide block and makes the needle stand swing;

This accessory drives structure has an asessory shaft, be located at outside the body by the two bearings mounting, cover is grabbed on above-mentioned left side of clamping on it, auxiliary the tip of the axis stretches to the needle stand side, the end is in conjunction with a frid, be provided with a traveller in the elongated slot of frid and in conjunction with a slide block, the fork sheet fork of one tool open slot contains this slide block, make slide block in this groove, move, the tail end of fork sheet closes by a pull bar and a stator pivot, stator then is fixed on the holder of needle stand with screw, does local swing and makes its oscillatory forces transmission see through frid for asessory shaft, the fork sheet, pull bar, stator, thus make the needle stand swing;

The above-mentioned needle gage drive mechanism and the accessory drives structure of needle stand swing of making also can cooperate synchronization action, closes needle gage and swings more stable structure and constitute;

This colludes the curved shell that the line drive mechanism comprises that an axle housing and combines with axle housing, cooperatively interact with the bevel gear set and the commutating tooth wheels that are arranged in the curved shell by a power transmission shaft that is arranged at the inclination in the axle housing, change the power transmission shaft rotation direction, the line device that colludes that is positioned at curved shell end with order rotates, and makes it to stretch into the sole depths and carry out sewing for colluding the line device;

This automatic rocker structure is by a servo motor driven first chain wheel set, through first of first chain wheel set and spool on clutch gear, clamping ring and power reached second Positioning Gear, controllably drive the angle that centre mount and rocking arm are rocked to requirement through second chain wheel set again, wherein clutch gear is sleeved on the bushing bearing again, establish one on it and stretch out extra-organismal push rod, borrow to pass clutch gear, make it to become bonding state with clamping ring, and establish a projection on the clutch gear end face, can with a plurality of holes on the clamping ring in one of cooperate and be fastened;

This castle wheel has integrated flywheel and belt pulley, and be provided with mesopore, be provided with in the mesopore with Needle bearing, it establishes a friction plate near edge on the end face of belt pulley, in addition, this nested base is sleeved in the Needle bearing and a thrust bearing of castle wheel, one distal process is stretched into an ora terminalis, its mesopore combines with spindle end, with two screws in nested base penetrates mesopore securely in conjunction with main shaft, the other end of nested base is provided with a screw thread and a key, borrow to adjust button in conjunction with one, suppress a spring so that pushing is arranged at the wheel that presses that one on the nested base has keyhole, just can adjust its pressure size by this adjustments button cooperation spring, making friction plate and press the certain frictional force of tool between wheel and make it can interlock, thereby forms the disengaging type safety belt wheel of an adjustable seamless power.