CN2187083Y

CN2187083Y - Cutting shaper for double-foot rivet

Info

Publication number: CN2187083Y
Application number: CN 94203689
Authority: CN
Inventors: 张秀英
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-02-21
Filing date: 1994-02-21
Publication date: 1995-01-11
Anticipated expiration: 2004-02-21

Abstract

The utility model relates to a cutting shaper for double-foot rivets, which comprises a rivet feeding mechanism for orderly feeding rivets to be processed, a positioning mechanism for fixing the rivets, and a cutting mechanism which is provided with a semicircle cutting fluted disc. The semicircular arc rim of the fluted disc has a plurality of coggings whose face width of tooth is decrescent, and the coggings are distributed along the semicircular arc. The semicircular arc rim of the fluted disc is also evenly oblique and decrescent outward to form a scrap elimination corner at two sides of the coggings, and the fluted disc is arranged on an off-center transmission shaft through a center hole. When the rivets are cut, the rivets are cut by the cogging with maximum width of the tooth of the fluted disc at a comparatively low position, and then the rivets are cut by the cogging with minor width of the tooth at a comparatively high position.

Description

Cutting shaper for double-foot rivet

The utility model relates to a kind of cutting forming machine, particularly relates to a kind of double-legged rivet cutting forming machine.

When moulding both feet rivet, it is mode with similar moulding saw blade, promptly utilize cutting tool directly to repeatedly one cutting Yi Tiaogou at the afterbody of a rivet workpiece with advancing to move back, to form both sides afterbody (or claiming foot), this kind is with directly to repeatedly one to advance to move back the machining mode of cutting rivet workpiece excessive to the dual-side friction of cutting tool, therefore after cutting tool was processed one hour approximately continuously, promptly need renew.In addition, this kind its output of machining mode of advancing to move back is also quite limited.

In order to address the above problem, the someone has created and has a kind ofly utilized eccentric semicircle cutting disc to cut the topping machanism of rivet workpiece recently, the eccentric semicircle cutting disc of this kind device, as Fig. 1, shown in 2, its position, semi arch edge has a plurality of edges and is just justifying the distribution and the facewidth by big gradually little cutting teeth 10, and evenly outward-dipping dwindling made every effort at the position, semi arch edge of this cutting disc, this off-centre semicircle cutting disc is that eccentric orfice 12 is installed on the turning cylinder in the middle of utilizing, cut the rivet workpiece with lower height with rivet workpiece earlier with the bigger side cutting teeth of the facewidth to the dead ahead, gradually little but with the facewidth in regular turn according to rotation direction then because of the gradually high cutting teeth of decentered distribution cutting level cutting rivet workpiece, and after axle turns around, can machine-shaping two feet rivet finished product.

Utilize above-mentioned eccentric cutting dish can significantly carry different processing output really, and, therefore, also extend to about two hours the service life of cutting disc owing to adopt the swinging machining.

Yet, above-mentioned eccentric semicircle cutting disc is because the center that its eccentric orfice 12 departs from semicircle, therefore, it is unfavorable for using milling machine and grinding machine processing, cause its flank of tooth that forms cutting teeth and cutting angle must be in a large number by manually, so make the manufacturing cost of its cutting disc greatly improve, and the flank of tooth of its cutting teeth and tooth pitch are all wayward in desirable width and angle, and also can't make it have crumbs cutting corner, so often lower the service life of cutting disc significantly in the grinding of the both sides of each cutting teeth.

For overcoming the above problems, main purpose of the present utility model is to provide a kind of double-legged rivet cutting forming machine, make the centre bore of its semi-circular cutting fluted disc be positioned at the centre of semicircle, the cutting fluted disc be can be beneficial to and desirable each cutting teeth face width of tooth, interdental space and crumbs cutting corner gone out with milling machine and the processing and manufacturing of grinding facility, the manufacturing cost of cutting fluted disc is reduced significantly, and increase the service life.

For achieving the above object, the double-legged rivet cutting forming machine that the utility model provides, it comprises: an ail-feeding mechanism, in order to feed rivet workpiece to be processed successively; One location mechanism is in order to be fixed on above-mentioned rivet workpiece via the feeding of ail-feeding mechanism on one position; One cutting mechanism has a semi-circular cutting teeth dish, the position, semi arch edge of this fluted disc have a plurality of along the semicircle camber line distribute and face width of tooth by big gradually little cutting teeth, and the position, semi arch edge of fluted disc is also evenly outward-dipping gradually dwindles; Each cutting teeth two sides of this fluted disc all are formed with crumbs cutting corner, and are installed on the eccentric drive mechanism with the centre.

When the cutting teeth of fluted disc cuts the rivet workpiece, dual-side generation strong friction causes cutting teeth to wear away fast in the rivet workpiece middle part that can avoid the cutting teeth two sides and be cut, and the disadvantage of palpus dependence underhand polish after the wearing and tearing of cutting teeth cutting angle, with the service life of raising fluted disc and the production efficiency of double-legged rivet.

Detailed construction of the present utility model, feature and purpose, the specific embodiment of lifting consulting hereinafter, and after the conjunction with figs. detailed description, will can be and be skillful in this operator institute understanding fully.

Fig. 1 is the cutting disc stereogram of traditional double-legged rivet make-up machine.

Fig. 2 is the cutting disc front view of traditional double-legged rivet make-up machine.

Fig. 3 is the part combination stereogram of the utility model specific embodiment.

Fig. 4 is the front view of Fig. 3.

Fig. 5 is an A-A profile among Fig. 4.

Fig. 6 is the stereogram of cutting fluted disc in the utility model.

Fig. 7 is the front view of cutting fluted disc in the utility model.

Fig. 8 is the processing schematic diagram of the utility model specific embodiment.

At first please cooperate and consult shown in Figure 3ly, the utility model both feet rivet cutting forming machine 20 has an ail-feeding mechanism 22, in order to feed rivet workpiece 24 to be processed in regular turn.One location mechanism 26 is in order to be fixed on above-mentioned rivet workpiece 24 via 22 feedings of ail-feeding mechanism on the position.

Consult again shown in Fig. 4,5,6,7, one cutting mechanism 28, has a semi-circular cutting teeth dish 30, this fluted disc 30 has a centre bore 32, and the position, semi arch edge of fluted disc 30 has a plurality of face widths of tooth that distribute along the semicircle camber line by big gradually little cutting teeth 34, and the even outward-dipping gradually semi arch hypotenuse that dwindles, and at the two sides of cutting teeth 34 formation crumbs cutting corner L.

Innovation of the present utility model position is: above-mentioned semi-circular cutting fluted disc 30 is fixedly installed on the eccentrically weighted shaft 38 by centre bore 32, when this eccentrically weighted shaft 38 rotates, semi-circular cutting fluted disc 30 is promptly first to rivet workpiece 24 direction eccentric rotary by a side of cutting teeth 34 flank of tooth broads, and cutting teeth 34 flank of tooth narrower region in back are formed with gradually big height near rivet workpiece 24.

The double-legged rivet cutting forming machine that constitutes by said elements, during its processing rivet workpiece 24 (as shown in Figure 3), drive the semi-circular cutting fluted disc 30 that is fixed on this by eccentric shaft 38 and make eccentric rotary, semi-circular cutting fluted disc 30 is fixed in an end middle part of the rivet workpiece 24 on the detent mechanism 26 earlier with the minimum altitude cutting with a side cutting teeth 34 of face width of tooth maximum, and because semi-circular cutting fluted disc 30 is made eccentric rotary with eccentric shaft 38, therefore, thereafter the narrower cutting teeth 34 of the flank of tooth can be with gradually big height cutting rivet workpiece 24 middle parts (process as shown in Figure 8), and after eccentric shaft 38 rotated 1/2 circle, cutting fluted disc 30 was promptly finished the work of a double-legged rivet workpiece 24 of cutting.

Cutting teeth 34 cuttings that above-mentioned cutting fluted disc 30 distributes with the semicircle camber line are finished after the rivet workpiece 24, when cutting fluted disc 30 turns to no cutting teeth one side towards the direction of original rivet workpiece 24 with eccentric shaft 38, detent mechanism 26 promptly allows the rivet workpiece 24 that machines move back nail, and fixed by ail-feeding mechanism 22 feeding another rivet workpiece 24 to detent mechanisms 26, when preparing to cut fluted disc 30 with eccentric shaft 38 rotations next time, machining rivet workpiece 24 again, the cutting fluted disc 30 that so goes round and begins again rotates a circle with eccentric shaft 38 again, and promptly machining is finished two feet rivet workpiece.

Because the centre bore 32 of above-mentioned semi-circular cutting fluted disc 30 is arranged at the centre of semicircle, and make eccentric rotary by eccentric shaft 38 drives, therefore, the semi-circular cutting fluted disc 30 that this centre bore 32 is positioned at the semicircle centre is beneficial to and utilizes milling machine and milling tool, respectively the facewidth, tooth pitch and the crumbs cutting corner of its each cutting teeth 34 of processing and manufacturing.Simultaneously,, just make its facewidth that has desirable cutting teeth 34, tooth pitch and crumbs cutting corner, and owing to having good crumbs cutting corner because it is beneficial to above-mentioned facility processing and manufacturing, therefore, but life-saving in the use.

Claims

A kind of double-legged rivet cutting forming machine, it comprises: one feeds the ail-feeding mechanism of rivet workpiece to be processed successively; One is fixed on a locational detent mechanism with above-mentioned rivet workpiece via ail-feeding mechanism feeding; One cutting mechanism has a semi-circular cutting teeth dish, and the position, semi arch edge of this fluted disc has a plurality of that distribute along the semicircle camber line and face widths of tooth by big gradually little cutting teeth, and the position, semi arch edge of fluted disc is also evenly outward-dipping gradually dwindles; It is characterized in that: each cutting teeth two sides of this fluted disc all are formed with crumbs cutting corner, and are installed on the eccentric drive mechanism with the centre.