CN2358089Y

CN2358089Y - Double-thread sewing device of zipper tape

Info

Publication number: CN2358089Y
Application number: CN 98241428
Authority: CN
Inventors: 张复兴
Original assignee: MAX ZIPPER CO Ltd
Current assignee: MAX ZIPPER CO Ltd
Priority date: 1998-10-15
Filing date: 1998-10-15
Publication date: 2000-01-12
Anticipated expiration: 2008-10-15

Abstract

The utility model relates to a zipper which solves the sewing problem of a number three zipper. The sides adjacent to a lower left needle clamping block and a lower right needle clamping block are respectively provided with an accommodating groove of a double sewing needle group which penetrates the entire thickness of the needle clamping block, and the accommodating groove is provided with a double sewing needle group. An L-shaped lock plate and a fixing screw are used for locking the two pairs of double sewing needle groups on the lower left needle clamping block and the lower right needle clamping block in a face-to-face combination mode, namely that two pairs of the double sewing needle groups can be steadily and fixedly locked on the needle clamping blocks. The utility model can be used for sewing the zipper.

Description

The stitching devices of slide fastener chain double slit line

The utility model relates to the technical equipment that slide fastener combines with strap.

Stitching devices such as Fig. 6 of existing slide fastener tooth bar, shown in 7: it is sutured on the strap with single suture for the slide fastener chain, but the pedestal 81 of its suture needle holder 80 is provided with the solid screw rod 86 on sewing head of a spiral shell, but a side is established a screw 88A and is provided with the solid screw rod 86 on sewing head of a spiral shell, one side is established the screw 88 of the adjustment zipper teeth of a screw 88A apart from usefulness, vertical with it adjacent side is established the adjustment slide fastener spacing screw of a screw 82A, two screw 87A are arranged on the plane of pedestal 81 in addition, 87A ', with spiral shell respectively admittedly can about adjust the fixed block 83A of suture needle position, 83B,

fixed block

83A, 83B mat bolting element 84 and adjustment hole 831 lock on pedestal 81, and the patchhole 832 of suture needle 85 and the screw 834 and the screw 833 thereof of locking suture needle 85 are arranged respectively on it.This single suture stitching devices, the slide fastener suture strength of stitching is not enough, for this reason, one suture on many cars, this practice, No. 5 slide fasteners as shown in Figure 7, promptly No. 5 comparatively feasible to the stitching of No. 10 slide fasteners, the tooth pitch P of No. 5 slide fasteners is 1.6mm, and space D is 2.5-3mm, and the fore-and-aft clearance T of double slit pin group is 2.5 times a tooth pitch, be 4mm, use monofilament lines footpath Φ to be 068mm, the Φ of combined hole portion 2 of double slit line is 2.8mm, gear ring length a=3.78mm.But this stitching devices but is not suitable for slide fastener No. 3, and because of No. 3 slide fasteners, tooth pitch P is 1.25mm, and monofilament lines directly is that Φ 1 is 0.43mm, and crosspointer fore-and-aft clearance T is 3.125mm, gear ring length a=2.6mm.

The purpose of this utility model is to provide a kind of stitching devices of the slide fastener chain double slit line applicable to No. 3 slide fasteners.

The purpose of this utility model is achieved in that the stitching devices of slide fastener chain double slit line, it comprises: a folder pin piece, of going up that is fixed on the sewing machine head is located at the bottom left folder pin piece of folder pin piece below and bottom right folder pin piece, and is separately fixed at bottom left folder pin piece and bottom right and presss from both sides a pair of double slit pin group on the pin piece, there is a screw rod that can be fixed on sewing machine head last folder pin piece top, cross side has one laterally to adjust screw and screw rod thereof, and vertically side has one vertically to adjust screw and screw rod thereof; Bottom left folder pin piece one end has a horizontal slotted hole, and is locked in folder pin piece below via one group of screw retaining element; Bottom right folder pin piece one end has a vertical slotted hole, and is locked in folder pin piece below via another group screw retaining element; It is characterized in that: this bottom left folder pin piece and the adjacent side of bottom right folder pin piece are established a double slit pin group accepting groove that runs through the whole thickness of folder pin piece respectively, put a pair of suture needle group in this accepting groove, mat one L shaped jam plate and fixed screw again, the combination of these two pairs of double slit pin groups with face and face is locked in respectively on bottom left folder pin piece and the bottom right folder pin piece, and promptly two pairs of double slit pin groups firmly lock on folder pin piece.

Above-mentioned design through test, has reached the sewing effect applicable to No. 3 slide fasteners.Apart from being 1.8～2mm, fore-and-aft clearance is 5.625mm, promptly 4.5 of tooth pitch times between left and right for it.

Below by accompanying drawing, embodiment the utility model is elaborated again:

Concern the position three-dimensional exploded view between Fig. 1 the utility model stitching devices, compress pin and needle stand;

Concern the position three-dimensional combination figure between Fig. 2 the utility model stitching devices, compress pin and needle stand;

Another decomposing schematic representation of Fig. 3 the utility model stitching devices;

Fig. 4 the utility model stitching devices upward view;

Fig. 5 the utility model stitching devices is sewed up the explanation schematic diagram;

Fig. 6 has the stitching devices three-dimensional exploded view now;

The existing stitching devices of Fig. 7 is sewed up the explanation schematic diagram;

Shown in Fig. 1-5: the utility model comprises: a folder pin piece 11, of going up that is fixed on the sewing machine head 50 is located at the bottom left folder pin piece 12 of folder pin piece 11 belows and bottom right folder pin piece 12A, and is separately fixed at bottom left folder pin piece 12 and bottom right and presss from both sides a pair of double

slit pin group

13,13 on the pin piece 12A, there is a screw rod 111 that can be fixed on sewing machine head 50 last folder pin piece 11 tops, cross side has one laterally to adjust screw and screw rod 112 thereof, and vertically side has one vertically to adjust screw 116 and screw rod 117 thereof; Bottom left folder pin piece one end has a horizontal slotted hole 121, and is locked in folder pin piece 11 belows via one group of screw retaining element 127; Bottom right folder pin piece one end has a vertical slotted hole 121A, and is locked in folder pin piece 11 belows via another group screw retaining element 127A; It is characterized in that: this bottom left folder pin piece 12 and the adjacent side of bottom right folder pin piece 12A are established double slit pin group accepting groove 122, a 122A who runs through the whole thickness of folder pin piece respectively, put a pair of

suture needle group

13,13 in this accepting groove 122, the 122A, mat one L shaped jam plate 124,124A and fixed screw 126,126A again, the combination of these two pairs of double

slit pin groups

13,13 with face and face is locked in respectively on bottom left folder pin piece 12 and the bottom right folder pin piece 12A, and promptly two pairs of double

slit pin groups

13,13 firmly lock on folder pin piece.Wherein, bottom left, bottom right

folder pin piece

12,12A are locked on the screw 113,114 of folder pin piece 11 with screw retaining element 127,127A respectively; Guiding ditch 121C by screw 112 and guiding section 112A and bottom left folder pin piece 12 adjusts double slit pin group between left and right apart from stitching tooth distance between left and right to cooperate; Guiding ditch 121B by screw 117 and guiding section 117A and bottom right folder pin piece 12A adjusts double slit pin group fore-and-aft clearance to cooperate seam tooth fore-and-aft clearance.Going up folder pin piece 11 in addition has lock hole 115, and bottom right folder pin piece 12A has lock hole 123.Wherein, the seam tooth is 1.8～2mm apart from d between left and right, and fore-and-aft clearance T is that 4.5 times tooth pitch P (1.25mm) is 5.625mm, and gear ring length alpha=2.6mm, line footpath Φ=0.43mm.Wherein, the specification of suture needle single needle is 65/9#.Like this, satisfied the stitching of No. 3 slide fasteners, and use is quite smooth and easy, has guaranteed good slide fastener quality, and sews up the efficient height, intensity is good.

Under needle plate 20 that has mating holes 21 and needle stand 30 cooperations, the main feature of the stitching devices of slide fastener chain double slit line is:

(1) as shown in Figure 5, the fore-and-aft clearance T of the double slit pin group on the stitching devices is set at 4.5 times of sprocket tooth pitch P, i.e. the tooth pitch T=1.25mm * 4=5.625mm of No. 3 zipper sprockets, the left and right sides space D of double slit pin group is 1.8～2mm;

(2) fixing hole on the stitching devices of crosspointer group is changed be made as holddown groove and be fixed on the stitching devices by of the combination of L shaped jam plate with face, eliminating fixedly sewing needle of mode that stitching devices commonly used directly makes point with screw, the shortcoming of shakiness takes place when quick stitching operation;

(3) using instead the diameter of the unit pin of crosspointer group than No. 3 zipper teeth tooth pitch P is little size, and the crosspointer group has comparatively well-to-do space when slide fastener gear ring inseam cooperation industry, cut to bone so that sew up the fraction defective of operation.

(4) spacing of No. 3 zipper sprockets because the desired location of the stitching devices of crosspointer group correctly coincide, when the double slit pin was sewed up, two pins drew mutually and hold on default sprocket, made the stability of sewing up operation to good;

(5) for above-mentioned reasons, stitching devices can be sewed up by once bilateral chain simultaneously, four sutures are once sewed up and are finished, to break through the technology crux that four sutures of present No. 3 slide fasteners once can't be sewed up smoothly.

Claims

1, the stitching devices of slide fastener chain double slit line, it comprises: a folder pin piece, of going up that is fixed on the sewing machine head is located at the bottom left folder pin piece of folder pin piece below and bottom right folder pin piece, and is separately fixed at bottom left folder pin piece and bottom right and presss from both sides a pair of double slit pin group on the pin piece, there is a screw rod that can be fixed on sewing machine head last folder pin piece top, cross side has one laterally to adjust screw and screw rod thereof, and vertically side has one vertically to adjust screw and screw rod thereof; Bottom left folder pin piece one end has a horizontal slotted hole, and is locked in folder pin piece below via one group of screw retaining element; Bottom right folder pin piece one end has a vertical slotted hole, and is locked in folder pin piece below via another group screw retaining element; It is characterized in that: this bottom left folder pin piece and the adjacent side of bottom right folder pin piece are established a double slit pin group accepting groove that runs through the whole thickness of folder pin piece respectively, put a pair of suture needle group in this accepting groove, mat one L shaped jam plate and fixed screw again, the combination of these two pairs of double slit pin groups with face and face is locked in respectively on bottom left folder pin piece and the bottom right folder pin piece, and promptly two pairs of double slit pin groups firmly lock on folder pin piece.

2, the stitching devices of slide fastener chain double slit line as claimed in claim 1 is characterized in that: wherein, the seam tooth is 1.8～2mm apart from d between left and right, and fore-and-aft clearance T is that 4.5 times tooth pitch P is 5.625mm.

3, the stitching devices of slide fastener chain double slit line as claimed in claim 1 is characterized in that: wherein, the specification of suture needle single needle is 65/9#.