CN209394056U - A kind of enclosed integrated cage forming cutter - Google Patents

Abstract

The utility model discloses a kind of enclosed integrated cage forming cutters, including knife handle and cutter head, further include attachment part；The cutter head includes blade carrying folder, and the small inclined-plane knife, path straight knife, big inclined-plane knife, major diameter straight knife, preceding concave surface knife, convex surface knife and the back concave surface knife that are successively welded in its cutter groove of blade carrying folder；The attachment part include with the integrally formed attaching cavity of knife handle, and with blade carrying press from both sides integrally formed attaching platform；The first centering cone is provided at the attaching cavity medial center；On the attaching platform integrally formed with attaching platform grafting, and with the first centering cone face the second centering bore；Contraposition track is provided on the inside of the attaching cavity；Multiple tapped through holes are offered perpendicular to contraposition track on the attaching cavity；The utility model proposes a kind of enclosed integrated cage forming cutter, it is simple and convenient to dismantle tool changing, when processing, can complete pocket hole inner wall, inside wall edge and quadrangle transition.

Description

A kind of enclosed integrated cage forming cutter

Technical field

The utility model relates to a kind of retainer processing knife more particularly to a kind of enclosed integrated cage forming cutters, belong to Retainer processing assembly technical field.

Background technique

A kind of bearing retainer product structure is square pocket keeping rack, and this square cage pocket generally uses on broaching machine With the process of broaching tool wire pulling method；But this pocket hole for being limited only to retainer is when being even number, and pocket hole inner wall is straight line Type, the processing of square hole can be drawn using this broaching tool；It when if it is odd number, can not just process, present retainer structure wound Newly, retainer square pocket keeping rack is not only odd number, and the inner wall of square hole is arc-shaped, the intersection of arc, is round-corner transition；It is this The unique process of processing of retainer is processed using the equipment more than five axis to link；It is well known that the above equipment of five axis Cost is high, and most from external import, external very strict to the above equipment control of China's five axis of buying；Come from cost angle It sees, the product price of processing is high, and customer cannot generally receive；In addition, the precision of this product requirement is very high, dimensional accuracy It must reach within 0.1 millimeter with geometric tolerance, roughness reaches Ra0.8um or more, is difficult to meet product requirement；In for this purpose, State's number of patent application: 201210534081.4, a kind of molding cutter structure is disclosed, milling cutter is by three kinds of variform blade groups At pull end clamps position with cutter for milling machines and connect, the arc transition of four axis of arc machining retainer square hole, and arc section It is consistent with the molding structure size of square pocket keeping rack, it is used for four side of milling square pocket keeping rack, it being capable of the rectangular pocket of simultaneous manufacturing odd number Hole retainer.And structure is simple, easy to use；But in existing its process of enclosed integrated cage, being easy to produce Raw excessive burr, and inner wall lateral edge can not process, and comparatively laborious when its forming cutter tool changing.

Utility model content

A kind of in order to solve the above problems, the utility model proposes enclosed integrated cage forming cutter, disassembly tool changing are simple Conveniently, when processing, pocket hole inner wall, inside wall edge and quadrangle transition can be completed.

The enclosed integrated cage forming cutter of the utility model, including knife handle and cutter head, further include attachment part, pass through attaching Portion assembles knife handle and cutter head；The cutter head includes blade carrying folder, and is successively welded in small in its cutter groove of blade carrying folder Inclined-plane knife, path straight knife, big inclined-plane knife, major diameter straight knife, preceding concave surface knife, convex surface knife and back concave surface knife, preceding concave surface knife, convex surface knife and Back concave surface knife completes pocket hole inwall processing, forms inner wall concave cambered surface and the processing of inside wall edge arc transition；Small inclined-plane knife and small Diameter straight knife completes the cutting of quadrangle transition position opening and deep-cutting；Quadrangle transition entrance is completed by big inclined-plane knife and major diameter straight knife to expand Hole and rounding off；When a certain blade abrasion, it can be replaced；The attachment part includes and the integrally formed dress of knife handle Chamber is connect, and presss from both sides integrally formed attaching platform with blade carrying；The first centering cone is provided at the attaching cavity medial center；It is described On attaching platform integrally formed with attaching platform grafting, and with the first centering cone face the second centering bore；On the inside of the attaching cavity It is provided with contraposition track；Multiple tapped through holes are offered perpendicular to contraposition track on the attaching cavity；On the second centering cone It is provided with the positioning ring being bonded with contraposition track；The first centering cone and the second centering cone face installation；The attaching platform and Attaching cavity is axially provided with a ring fixation flange aperture；When installation, by the second centering of attaching platform cone insertion attaching cavity, and make the Face is bored in one centering cone and the second centering, then, is screwed on bolt by tapped through hole, bolt locking positioning ring, complete it is fixed and Positioning then can guarantee that attachment part axial restraint is installed by fixation flange aperture.

The first centering of face cone and the second centering cone peace are radially offered as preferred embodiment, on the attaching cavity Fill two screw thread forms of position；The two screw threads form is mutually perpendicular to, and when attaching, can check whether centering by screw thread form.

As preferred embodiment, the small inclined-plane knife top surface is concordant with path straight knife overlap joint；The big inclined-plane knife top Face is concordant with major diameter straight knife overlap joint, can guarantee smooth transition between cutter.

As preferred embodiment, the blade carrying presss from both sides its front end and is provided with orthogonal lateral cutter groove and longitudinal direction Cutter groove；Long horizontal knife is welded in the transverse direction cutter groove；Two hyphen knives are welded in the longitudinal direction cutter groove；The horizontal knife of the length and hyphen Knife outer edge is concordant with small inclined-plane knife bottom surface overlap joint；It is protected when realizing that forming cutter enters pocket hole by the horizontal knife of length and hyphen knife small oblique Face knife.

As preferred embodiment, the attaching platform and attaching cavity lap-joint periphery are provided with a welding ring, pass through weldering It connects ring attaching platform and attaching cavity is integrally molded, when disassembly, cutting is directly completed by cutting equipment and is packed into new attaching platform.

Compared with prior art, the enclosed integrated cage forming cutter of the utility model, knife handle and cutter head are disassembly assembling Structure, when assembling can quick centring positioning and fixed, disassembly tool changing is simple and convenient, when processing, preceding concave surface knife, convex surface knife and after Concave surface knife completes pocket hole inwall processing, forms inner wall concave cambered surface and the processing of inside wall edge arc transition；Small inclined-plane knife and path Straight knife completes the cutting of quadrangle transition position opening and deep-cutting；Quadrangle transition entrance reaming is completed by big inclined-plane knife and major diameter straight knife And rounding off, avoid transition position stress from concentrating.

Detailed description of the invention

Fig. 1 is the utility model overall structure diagram.

Specific embodiment

Enclosed integrated cage forming cutter as shown in Figure 1, including knife handle 1 and cutter head, further include attachment part, pass through attaching Portion assembles knife handle and cutter head；The cutter head includes blade carrying folder 2, and is successively welded in blade carrying 2 its cutter groove of folder Small inclined-plane knife 3, path straight knife 4, big inclined-plane knife 5, major diameter straight knife 6, preceding concave surface knife 7, convex surface knife 8 and back concave surface knife 9, preceding concave surface Knife, convex surface knife and back concave surface knife complete pocket hole inwall processing, form inner wall concave cambered surface and the processing of inside wall edge arc transition；It is small Inclined-plane knife and path straight knife complete the cutting of quadrangle transition position opening and deep-cutting；Quadrangle is completed by big inclined-plane knife and major diameter straight knife The reaming of transition entrance and rounding off；When a certain blade abrasion, it can be replaced；The attachment part includes and knife handle 1 Integrally formed attaching cavity 10, and 2 integrally formed attaching platforms 11 of folder are carried with blade；At 10 medial center of attaching cavity It is provided with the first centering cone 12；On the attaching platform 11 integrally formed with attaching platform grafting, and with the first centering cone face Second centering cone 13；Contraposition track 14 is provided on the inside of the attaching cavity 10；It is opened on the attaching cavity 10 perpendicular to contraposition track Equipped with multiple tapped through holes 15；The positioning ring 16 being bonded with contraposition track is provided on the second centering cone 13；Described first The installation of 13 faces is bored in centering cone 12 and the second centering；The attaching platform 11 and attaching cavity 10 are axially provided with a ring fixation flange aperture (not shown)；When installation, the second centering cone of attaching platform is embedded in attaching cavity, and makes the first centering cone and the second centering cone just It is right, it then, is screwed on bolt by tapped through hole, bolt locking positioning ring completes fixed and positioning, then, passes through mounting flange Hole can guarantee that attachment part axial restraint is installed.

In another embodiment, the first centering of face cone is radially offered on the attaching cavity 10 and installation position is bored in the second centering Two screw thread forms 17；The two screw threads form 17 is mutually perpendicular to, and when attaching, can check whether centering by screw thread form.

In another embodiment, small 3 top surface of inclined-plane knife overlaps concordant with path straight knife 4；Big 5 top surface of inclined-plane knife with Major diameter straight knife 6 overlaps concordantly, can guarantee smooth transition between cutter.

In another embodiment, 2 its front end of the blade carrying folder are provided with orthogonal lateral cutter groove and longitudinal cutter groove； Long horizontal knife 18 is welded in the transverse direction cutter groove；Two hyphen knives 19 are welded in the longitudinal direction cutter groove；The horizontal knife 18 of the length and short Horizontal 19 outer edge of knife is concordant with small inclined-plane knife bottom surface overlap joint；Protection when realizing that forming cutter enters pocket hole by the horizontal knife of length and hyphen knife Small inclined-plane knife.

In another embodiment, the attaching platform 11 and 10 lap-joint periphery of attaching cavity are provided with a welding ring 20, pass through weldering It connects ring attaching platform and attaching cavity is integrally molded, when disassembly, cutting is directly completed by cutting equipment and is packed into new attaching platform.

Above-described embodiment is only the better embodiment of the utility model, therefore all according to the utility model patent application range The equivalent change or modification that the structure, feature and principle is done, is included in the scope of the utility model patent application.

Claims (5)

1. a kind of enclosed integrated cage forming cutter, including knife handle and cutter head, it is characterised in that: further include attachment part；The knife Head include blade carrying folder, and be successively welded in blade carrying press from both sides its cutter groove in small inclined-plane knife, path straight knife, big inclined-plane knife, Major diameter straight knife, preceding concave surface knife, convex surface knife and back concave surface knife；The attachment part include with the integrally formed attaching cavity of knife handle, and with Integrally formed attaching platform is pressed from both sides in blade carrying；The first centering cone is provided at the attaching cavity medial center；On the attaching platform Integrally formed with attaching platform grafting, and with the first centering cone face the second centering bore；It is provided on the inside of the attaching cavity pair Position track；Multiple tapped through holes are offered perpendicular to contraposition track on the attaching cavity；Be provided on second centering cone with Align the positioning ring of track fitting；The first centering cone and the second centering cone face installation；The attaching platform and attaching cavity axis To being provided with a ring fixation flange aperture.

2. enclosed integrated cage forming cutter according to claim 1, it is characterised in that: radially opened up on the attaching cavity There are two screw thread forms of the first centering of face cone and the second centering cone installation position；The two screw threads form is mutually perpendicular to.

3. enclosed integrated cage forming cutter according to claim 1, it is characterised in that: the small inclined-plane knife top surface with it is small Diameter straight knife overlap joint is concordant；The big inclined-plane knife top surface is concordant with major diameter straight knife overlap joint.

4. enclosed integrated cage forming cutter according to claim 1, it is characterised in that: its front end is pressed from both sides in the blade carrying It is provided with orthogonal lateral cutter groove and longitudinal cutter groove；Long horizontal knife is welded in the transverse direction cutter groove；In the longitudinal direction cutter groove It is welded with two hyphen knives；The horizontal knife of the length and hyphen knife outer edge are concordant with small inclined-plane knife bottom surface overlap joint.

5. enclosed integrated cage forming cutter according to claim 1, it is characterised in that: the attaching platform and attaching cavity are taken The place of connecing periphery is provided with a welding ring.