CN201176506Y - Apparatus for stitching two superposition leather goods - Google Patents

Abstract

The utility model relates to a device which is used to sew two congruent leather goods and is used in the shoemaking industry. The device comprises a longitudinal guiding element which is arranged on a longitudinal guiding element seat and an arm which is fixed on a sewing machine body and is connected with a vertical guiding body, wherein a vertical slide block body is arranged in the middle of the vertical guiding body, the lower end is connected with a cylinder, and the upper end is fixed with the longitudinal guiding element seat, the device also comprises a folder which is provided with a shaped head and is installed on a folder seat, wherein the folder seat is threaded through the middle portion of a folder guide bracket, a restoring spring is sleeved on the folder seat, and the top portion of the folder seat forms a stepped mesa, the device also comprises a lever which is provided with a convex head and whose one end is pivoted with the folder guide bracket and the other end is pivoted with a small supporting frame, a small cylinder whose one end is fixed on the sewing machine body and the other end is connected with the small supporting frame, a cam which is provided with the convex head and is fixed on the spindle nose part of a main shaft, and a shaped foot which is provided with a small foot and is installed on a briquetting, wherein the briquetting is installed and fixed on the side of the folder guide bracket through the supporting frame. The utility model has the advantages of flexible operation, reliable transmission, low cost, long service life and wide applicable range, and materials can be conveniently taken off or put on.

Description

A kind of device of stitching two superimposed leather goods

Technical field

The utility model relates to a kind of improved sewing two articles and particularly has a device of leather goods of matching edge, is used for shoe industry.

Background technology

At present, for the stitching of leather goods, for example as the automatic sewing machine of sewing up toe-cap and upper of a shoe, common characteristics are that a cantilevered head that stretches out from the pedestal front is arranged, the device of mounting support pin and relevant manipulation device on the head.Pin plays the arm motion of horizontal supporting effect to being positioned at the below.The leather goods of sewing up just is placed on this arm.Pin also moves along the parallel direction of support arm.Above-mentioned Sewing machines is also equipped the material-pulling device that the edge of the leather goods of sewing up is all pushed ahead behind the intact pin of every seam.

In addition, sew up two leather goods, also more employing upper of a shoe vamp sewing machine, this machine comprises a guide, and this guide has two vertical flat incline plane interfaces, and these two flat incline planes upwards are gathered together, and form working end separately.The leather goods of sewing up just moves thereon.A longitudinal axis is arranged above described guide, linked an arm on the axle, a looper is housed on the free end of arm.Described longitudinal axis swing, thereby pin is moved back and forth last lifting between position and the down position, thus thrust the edge of described leather goods.The shuttle work that combines of described pin and band line.Above-mentioned use in sewing machine is in the upper of a shoe of sewing up each shape, the edge of toe-cap.Yet this Sewing machines is not useable for decorating sewing, for example, is not useable for the stitching of matching edge especially, promptly gets up to sew up with the imbricate of upper of a shoe again after the edge fold of toe-cap.

Chinese invention patent number is 95196908.0, and name is called " device that improved sewing two articles particularly has the leather goods of matching edge ", discloses two devices that the leather goods of folded edge is arranged of a kind of stitching in its specification.This kind device has a longitudinally guiding spare, be installed on the prism, described prism from body fixedly the all-in-one-piece arm hold up.Described guide some on transverse direction by two clinoplain interface definitions, these two clinoplains upwards are gathered together, and the first and second two objects will sewing up are exactly to move on this two clinoplain.Longitudinally guiding spare also has a small bended wing that is connected as a single entity with its top, and the bending downwards of described small bended wing is suspended from the top of the clinoplain of described vertical part.A folders is arranged under the actuator effect, vertically be active in the top of longitudinally guiding spare, thus the time and when pushing down and decontrol the edge that is positioned at first object above the small bended wing thereby make described edge fold, with with the imbricate of second object, meanwhile pin is sewed up it.A support that the shaping pin is installed is arranged, be used for second object is pressed in the clinoplain of longitudinally guiding spare.Extend tooth from the shaping pin, be used for the edge of folding up of toe-cap being blocked from a side.

In the above-mentioned disclosed patented technology, one of existing deficiency, folders are when activating, promptly reciprocating under the effect of cylinder, actuator is done short stroke motion, and is to touch travel switch according to the eccentric rotation that is used to adjust impulse stroke to come controlled motion, therefore, the cylinder action once, folders with regard to reciprocating motion once, this has shortened the life-span of cylinder and travel switch widely, and cylinder and travel switch are very expensive; Deficiency two, prism and be installed on longitudinally guiding spare on the prism and all be fixed on the arm with the pedestal one, therefore promptly this longitudinally guiding spare is fixed, and for the putting into or taking out of upper of a shoe, only depends on the lifting of folders, its space is limited, is unfavorable for handled easily; Deficiency three, the longitudinal length of longitudinally guiding spare is longer, the utmost point is not suitable for sewing up the head of upper of a shoe, especially the operation of turning round of tip or square toes upper of a shoe; Deficiency four, extended tooth is used for from a side that the edge of folding up toe-cap blocks on the shaping pin, promptly the tooth on this shaping pin only plays supporting role, and can not play booster action to folders.

Summary of the invention

The purpose of this utility model is to provide that a kind of flexible operation is stable, reliable transmission, easy to adjust, long service life, cost are low, applied widely can sew up the device of the superimposed leather goods in two edges.

The purpose of this utility model reaches like this, a kind of device of stitching two superimposed leather goods, it comprises a longitudinally guiding spare 14, be installed on the longitudinally guiding spare seat 13 small bended wing 15 that this longitudinally guiding spare 14 has an inclined-plane 14a, a plane 14b and is arranged on the over top of inclined-plane 14a, plane 14b integratedly; One arm 5, be fixed on the Sewing machines body 28, be connected with a vertical guide way 9 on it, the centre of this vertical guide way 9 is provided with a vertical slide body 12 movably, and it is fixing that the lower end of vertical slide body 12 is connected with a cylinder 10, upper end and described longitudinally guiding spare seat 13; One folders 16, be installed on the folders seat 22, and can make up-down adjustment according to the thickness of material, the below of folders 16 has extended a forming head 16b integratedly, and folders seat 22 is arranged with a back-moving spring 21 through the centre of folders saddle 19 on it, its top is formed with the stairstepping table top, the stairstepping table top outside be high plane 22a, inboard be low degree 22b, folders saddle 19 is fixed on the folders support 24, folders support 24 is fixed with Sewing machines body 28; One lever 23 is positioned at the top at folders seat 22 tops, and an end and folders support 24 articulate, and the other end articulates with a small rack 31, and below of its centre is formed with a plush copper 23a, and plush copper 23a aims at described low degree 22b; One stingy cylinder 29, one ends are fixed on the Sewing machines body 28 by cylinder support 30, and the other end is connected with small rack 31; One cam 26 is positioned at the top at folders seat 22 tops, and is fixed in the shaft head of machine spindle 27, is formed with on it to be used for the plush copper 26a that matches with described high plane 22a; One shaping pin 8 is installed on the briquetting 7, and can make left and right adjusting according to the thickness of material, is formed with one and stands a tiptoe 8b for a short time on shaping pin 8, and briquetting 7 is installed on the medium-height trestle 6, and medium-height trestle 6 is fixed on the sidepiece of folders saddle 19 by upper bracket 34.

The utility model is formed with end inclined-plane 14c between top to longitudinally guiding spare 14 bottom surfaces of described small bended wing 15, correspondingly, on the end face of longitudinally guiding spare seat 13, also be formed with big inclined-plane 13a, constitute one by big inclined-plane 13a with end inclined-plane 14c and be convenient to adapt to object, especially be convenient to the big fillet surface that sharp toe-cap or square toe-cap turn round and operate.

The utility model offers long slot bore 16a on described folders 16, long slot bore 16a is positioned at the vertical of folders 16, is used to realize the adjusting of folders 16 on above-below direction.

The utility model offers long slot bore 8a on described shaping pin 8, long slot bore 8a is positioned at the horizontal of shaping pin 8, is used to realize being shaped the adjusting of pin 8 on left and right directions.

The utility model is because after adopting said structure, one of advantage that has, folders 16 come from every turn pressing down that the plush copper 26a of cam 26 rotates in the vertically movable power in the top of longitudinally guiding spare 14, with resetting of spring 21, but not adopting the direct transmission of little cylinder, this mechanical transmission structure was not only more sturdy and durable but also save cost than pneumatic gearing; Advantage two, because the lower end of longitudinally guiding spare 14 is connected with a cylinder 10 through longitudinally guiding spare seat 13 and vertical slide body 12, the other end of lever 23 is connected in a stingy cylinder 29 belows through small rack 31, folders seat 22 is provided with a back-moving spring 21, so when taking material, by cylinder 10 longitudinally guiding spare 14 is pulled down simultaneously and down folders 16 is upwards lifted by stingy cylinder 29 and back-moving spring 21 effects, make longitudinally guiding spare 14 tops and folders 16 belows that enough spaces be arranged, can make things convenient for picking and placeing of material; Advantage three, since longitudinally guiding spare 14 on be designed to hold inclined-plane 14c from small bended wing 15 tops to longitudinally guiding spare bottom surface, longitudinally guiding spare seat 13 end faces have also designed big inclined-plane 13a, the end inclined-plane 14c of this big inclined-plane 13a and longitudinally guiding spare 14 forms a big fillet surface, its effect is to adapt to object, the operation of turning round of especially sharp toe-cap or square toe-cap; Advantage four, briquetting 7 and shaping pin 8 set up separately played can regulate according to the different-thickness material outside, can object be folded up by the folding assisted device of 8b 16 of standing a tiptoe for a short time on the shaping pin 8 again.

Description of drawings

Fig. 1 is a perspective view of the present utility model.

Fig. 2 is installed on Application Example reference diagram on the Sewing machines for the utility model.

Fig. 3 is a partial sectional view of the present utility model.

The perspective view of a kind of semi-product material that Fig. 4 can make by the utility model, upper of a shoe be sewn in edge fold toe-cap on.

Fig. 5 is a work schematic diagram of the present utility model.

Among the figure: 1. first object; 2. second object; 3. edge; 4. stitching; 5. arm; 6. medium-height trestle; 7. briquetting; 8. shaping pin, 8a. long slot bore, 8b. stand a tiptoe for a short time; 9. vertical guide way; 10. cylinder; 11. pressing plate; 12. vertical slide body; 13. longitudinally guiding spare seat, the big inclined-plane of 13a.; 14. longitudinally guiding spare, 14a. inclined-plane, 14b. plane, 14c. end inclined-plane, 15. small bended wings; 16. folders, 16a. long slot bore, 16b. forming head; 17. screw; 18. right presser feet; 19. folders saddle; 20. screw; 21. back-moving spring; 22. folders seat, the high plane of 22a., 22b. low degree; 23. lever, 23a. plush copper; 24. folders support; 25. pin; 26. cam, 26a. plush copper; 27. main shaft; 28. Sewing machines body; 29. little cylinder; 30. cylinder support; 31. small rack; 32. bearing pin; 33. left presser feet; 34. upper bracket; 35. transverse arm; 36. looper; 37. shuttle; 38. longitudinal axis.

The specific embodiment

By the description of applicant, will help to understand the utility model more, and good effect of the present utility model is embodied more, but embodiment should not be considered as the restriction to some extent to the utility model scheme embodiment.

See also Fig. 1, and in conjunction with Fig. 2, Fig. 3, Fig. 4, shown in Figure 5, a kind of device that can sew up the superimposed leather goods in two edges provided by the utility model, this device comprises: a longitudinally guiding spare 14, this longitudinally guiding spare 14 has an inclined-plane 14a and a plane 14b, and the over top of inclined-plane 14a, plane 14b has extended a small bended wing 15 integratedly, and small bended wing 15 links to each other with inclined-plane 14a, the interior curved of small bended wing 15 links to each other with plane 14b one side, forms two working faces.And first object (toe-cap) 1 that will sew up and edge 3 thereof be at longitudinally guiding spare inclined-plane 14a with above the small bended wing 15, and second object (upper of a shoe) 2 moves in the longitudinally guiding spare plane 14b press-out stepping that small bended wing 15 stoops.Be designed to hold inclined-plane 14c by small bended wing 15 tops to longitudinally guiding spare 14 bottom surfaces.Longitudinally guiding spare 14 is installed on the longitudinally guiding spare seat 13, longitudinally guiding spare seat 13 end faces have also designed big inclined-plane 13a, the end inclined-plane 14c of this big inclined-plane 13a and longitudinally guiding spare 14 constitutes a big fillet surface, the effect of this big fillet surface is to adapt to object, the operation of turning round of especially sharp toe-cap or square toe-cap.One arm 5, with Sewing machines body 28 be fixed connection, a vertical guide way 9 is installed on it, offer through hole in the centre of vertical guide way 9, can slide up and down to be provided with a vertical slide body 12 in the through hole, and by pressing plate 11 with its Guan Gu.The lower end of vertical slide body 12 is connected with a cylinder 10, and the upper end is fixing by screw and longitudinally guiding spare seat 13.Under the effect of cylinder 10, longitudinally guiding spare 14 can be left behind through the vertical slide body 12, the longitudinally guiding spare seat 13 that link to each other, can make small bended wing 15 tops of longitudinally guiding spare 14 that enough spaces are arranged, be convenient to pick and place object.

Please continue to consult Fig. 1, and in conjunction with Fig. 2, Fig. 3, Fig. 4, shown in Figure 5, folders 16 described in the utility model, there is the forming head 16b of a formation groove its lower end, there is a vertical long slot bore 16a its upper end, folders 16 is fixed on the folders seat 22 by screw 17, and can folders 16 be done corresponding adjusting up and down in long slot bore 16a scope according to the thickness of material.Folders seat 22 is in the through hole of folders saddle 19 centres, be arranged with a back-moving spring 21 on it, its top is formed with the stairstepping table top, wherein: the stairstepping table top outside be high plane 22a, inboard be low degree 22b, folders saddle 19 is fixed on the folders support 24 by screw 20, and folders support 24 is fixing with Sewing machines body 28.Above folders seat 22 tops, also establish a lever 23, one end of this lever 23 passes through pin 25 hub settings on folders support 24, form a fulcrum, the other end of lever 23 is connected on the small rack 31 of a stingy cylinder 29 belows by bearing pin 32, and stingy cylinder 29 is fixed in the below of the cylinder support 30 that links together with Sewing machines body 28.Be provided with a plush copper 23a below lever 23 nearly middle parts, this plush copper 23a just is pressed on the low degree 22b of folders seat 22 inside top.When stingy cylinder 29 was mentioned lever 23, folders seat 22 rebounded under the effect of back-moving spring 21 and big stroke occurs, and its effect is to be convenient to pick and place object.Above the high plane 22a of folders seat 22 top outer, a cam 26 is arranged, this cam 26 is fixed in the shaft head of machine spindle 27, rotation by main shaft 27 acts on the high plane 22a of folders seat 22 top outer the plush copper 26a of cam 26, with the little stroke of control folders 16.The plush copper 26a of folders 16 by cam 26 presses down bounce-back with back-moving spring 21, it is little stroke, vertically be active in the top of longitudinally guiding spare 14, during the forming head 16b of folders 16 lower ends and when pushing down and decontrol the edge 3 that is positioned at first object 1 above the small bended wing 15, and described edge 3 is folded up, with the imbricate of second object 2.

See also Fig. 1, and in conjunction with Fig. 2, Fig. 3, shown in Figure 4, shaping pin 8 described in the utility model is fixed on the briquetting 7 after running through horizontal long slot bore 8a on it by screw, briquetting 7 is used for second object 2 is pressed in the plane 14b of the longitudinally guiding spare that stoops 14 of small bended wing 15, shaping pin 8 is provided with one and stands a tiptoe 8b for a short time, this stands a tiptoe 8b for a short time and is used for folding assisted device 16 first object 1 is folded up, and from a side edge of folding up 3 of first object 1 is blocked.Briquetting 7 and shaping pin 8 can be done corresponding laterally adjustment according to the thickness of object in long slot bore 8a scope.Again, briquetting 7 is installed on the medium-height trestle 6, can do vertical adjusting, and medium-height trestle 6 is fixed on the upper bracket 34, and upper bracket 34 is installed on the sidepiece of folders saddle 19, can make up-down adjustment.

See also Fig. 2, a longitudinal axis 38 is arranged on Sewing machines body 28, on longitudinal axis 38, linked a transverse arm 35, a looper 36 is housed on the free end of transverse arm 35.Described longitudinal axis 38 swings, thereby looper 36 is moved back and forth last lifting between position and the down position, thus thrust the edge of described leather goods.One shuttle 37 is installed on the Sewing machines body 9 on longitudinally guiding spare 14 right sides, and shuttle 37 and looper 36 combine and finish knotting and feeding action.Need to prove:, here repeat no more because shuttle 37 and looper 36 all belong to existing public technology.

Please continue to consult Fig. 1 and, also be provided with left presser feet 33 and right presser feet 18,, therefore here also repeat no more because left presser feet 33 and right presser feet 18 belong to existing public technology in the both sides of this Sewing machines body 28 in conjunction with Fig. 2.Wherein: the effect of left presser feet 33 is back segments of pushing down second object 2, and the effect of right presser feet 18 is leading portions of pushing down first object 1.A left side presser feet 33 and right presser feet 18 are compressed by cylinder and cam control respectively and unclamp object.

Narrate the course of work of the present utility model below in conjunction with each accompanying drawing, at first under the controlling of Sewing machines foot pedal, stingy cylinder 29 draws high lever 23, under the effect of back-moving spring 21, carries promptly big stroke on the folders 16; Cylinder 10 pulls down longitudinally guiding spare 14 simultaneously; Also respectively under cam control and unclamp, the space of putting object this moment is all opened for a left side presser feet 33 and right presser feet 18.Then, be sidelong into second object (upper of a shoe) 2 stooping at the plane of longitudinally guiding spare 14 14b one to small bended wing 15, the edge 3 that rolls into first object (toe-cap), 1, the first object 1 at inclined-plane 14a one side and small bended wing 15 upsides bumps against shaping pin 8, makes the stitching 4 can be parallel with the edge.Under the controlling of foot pedal, each cylinder resets again, and longitudinally guiding spare 14 rises, and folders 16 presses down, and the edge 3 of toe-cap 1 is folded the forming head 16b of device 16 and the pin 8b that sticks up for a short time of shaping pin 8 folds up.Simultaneously push down upper of a shoe 2 at cylinder action bottom left presser feet 33, right presser feet 18 is pushed down toe-cap 1.It is pointed out that this moment, folders 16 did not compress the edge 3 of toe-cap 2 as yet fully, slight clearance is still arranged.Machine run drives machine spindle 27 rotations, and folders 16 compresses toe-cap 1 fully by the pressing down of plush copper 26a of cam 26, and this moment, looper 36 bottoms pierced through two superimposed materials, and and shuttle 37 finish the knotting of suture.Machine remains in operation, the plush copper 26a of cam 26 unclamps, and folders 16 rebounds under the effect of back-moving spring 21, loosens object, left presser feet 33 and right presser feet 18 also unclamp object respectively under other action of cam simultaneously, and the mobile backward together feeding of looper 36 and shuttle 37 forms stitching 4.Feeding is finished, and each presser feet compresses object once more, and folders 16 compresses object once more under the effect of the plush copper 26a of cam 26, and shuttle 37 and withdrawed from looper 36 reach of object is that second stitching prepared, and so goes round and begins again.Stitching is finished, and under the controlling of foot pedal, two presser feets, folders unclamp, and longitudinally guiding spare descends, and takes out shoes.

Claims (4)

1, a kind of device of stitching two superimposed leather goods, it is characterized in that it comprises a longitudinally guiding spare (14), be installed on the longitudinally guiding spare seat (13) small bended wing (15) that this longitudinally guiding spare (14) has an inclined-plane (14a), a plane (14b) and is arranged on the over top of inclined-plane (14a), plane (14b) integratedly; One arm (5), be fixed on the Sewing machines body (28), be connected with a vertical guide way (9) on it, the centre of this vertical guide way (9) is provided with a vertical slide body (12) movably, and it is fixing that the lower end of vertical slide body (12) is connected with a cylinder (10), upper end and described longitudinally guiding spare seat (13); One folders (16), be installed on the folders seat (22), and can make up-down adjustment according to the thickness of material, the below of folders (16) has extended a forming head (16b) integratedly, folders seat (22) is through the centre of folders saddle (19), be arranged with a back-moving spring (21) on it, its top is formed with the stairstepping table top, the stairstepping table top outside be high plane (22a), inboard be low degree (22b), folders saddle (19) is fixed on the folders support (24), and folders support (24) is fixing with Sewing machines body (28); One lever (23) is positioned at the top at folders seat (22) top, and an end and folders support (24) articulate, and the other end articulates with a small rack (31), and below of its centre is formed with a plush copper (23a), and plush copper (23a) is aimed at described low degree (22b); On the one little cylinder (29), an end is fixed on the Sewing machines body (28) by cylinder support (30), and the other end is connected with small rack (31); One cam (26) is positioned at the top at folders seat (22) top, and is fixed in the shaft head of machine spindle (27), is formed with on it to be used for the plush copper (26a) that matches with described high plane (22a); One shaping pin (8), be installed on the briquetting (7), and can make left and right adjusting, on shaping pin (8), be formed with one and stand a tiptoe (8b) for a short time according to the thickness of material, briquetting (7) is installed on the medium-height trestle (6), and medium-height trestle (6) is fixed on the sidepiece of folders saddle (19) by upper bracket (34).

2, the device of a kind of stitching two superimposed leather goods according to claim 1, it is characterized in that between top to longitudinally guiding spare (14) bottom surface of described small bended wing (15), being formed with end inclined-plane (14c), correspondingly, on the end face of longitudinally guiding spare seat (13), also be formed with big inclined-plane (13a), constitute one by big inclined-plane (13a) with end inclined-plane (14c) and be convenient to adapt to object, especially be convenient to the big fillet surface that sharp toe-cap or square toe-cap turn round and operate.

3, the device of a kind of stitching two superimposed leather goods according to claim 1, it is characterized in that on described folders (16), offering long slot bore (16a), long slot bore (16a) is positioned at the vertical of folders (16), is used to realize the adjusting of folders (16) on above-below direction.

4, the device of a kind of stitching two superimposed leather goods according to claim 1, it is characterized in that on described shaping pin (8), offering long slot bore (8a), long slot bore (8a) is positioned at the horizontal of shaping pin (8), is used to realize the adjusting of shaping pin (8) on left and right directions.

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