CN208913158U - A kind of indexable integrated form cutting tool - Google Patents

Abstract

The utility model belongs to cutting-tool engineering field, more particularly to a kind of indexable integrated form cutting tool.Including cutter hub, it further include blade, the blade includes three for processing excircles or the first point of a knife of inner hole, the second point of a knife for plane machining is equipped between two neighboring first point of a knife, first point of a knife and the second point of a knife connect the chamfering cutting edge to be formed for chamfering, the front end of the cutter hub is equipped with the mounting groove for installing blade, and the blade is mounted in mounting groove, and the second point of a knife between the first point of a knife of two of them and two first points of a knife stretches out the front end of the cutter hub.The beneficial effects of the utility model are: simplifying structure, multiple first points of a knife and the second point of a knife are set on a blade, a variety of form processings are met by a blade, avoids frequent more allowing blade replacement, and rotating blade can continue to use after one of point of a knife damage, reduce costs.

Description

A kind of indexable integrated form cutting tool

Technical field

The utility model belongs to cutting-tool engineering field, more particularly to a kind of indexable integrated form cutting tool.

Background technique

Traditional clip type lathe tool is a kind of efficient production cutter, its main feature is that installing hard on cutting tool ontology Alloy cutting tip fastens cutting tip by pressing devices such as lever, pressing plates, is worn and closed by quick-replaceable after edge wear Golden blade may continue to produce.Its major defect are as follows: used blade only has a point of a knife, needs to change when switching working position Knife；Or the cutter hub using multiple mounting grooves, to install multiple blades, its structure is complicated, and the cost of charp tool is high, inconvenient for use Benefit.

Another common indexable hard alloy double end clip type tool special, which does not have to rotation lathe cutter saddle can Realize the multistage manufacturing processes such as brake drum internal diameter, outer circle, end face and chamfering.But the cutter is that nonstandard production is customized by cutting tool factory specially With clip type lathe tool, cutter entirety manufacturing cost is high, and structure is complicated, and cutter is influenced vulnerable to equipment, human factor in production, produces Raw " hitting knife ", after blade mounting surface is damaged, due to being double-ended tool bit, as long as any blade mounting surface of work in-process is impaired Wound, entire clip type lathe tool just lose original function, entire process tool are caused to scrap.

Utility model content

In view of the foregoing deficiencies of prior art, the purpose of this utility model is to provide a kind of indexable integrated forms to cut Cutting knife tool, for solving in the prior art, blade working position is single, complex structure and other problems.

In order to achieve the above objects and other related objects, the utility model provides a kind of indexable integrated form cutting tool, It further include blade including cutter hub, the blade includes three the first points of a knife for processing excircles or inner hole, and two neighboring first The second point of a knife for plane machining is equipped between point of a knife, first point of a knife and the second point of a knife connect to form falling for chamfering Angle cutting edge, the front end of the cutter hub are equipped with the mounting groove for installing blade, and the blade is mounted in mounting groove, and wherein two The second point of a knife between a first point of a knife and two first points of a knife stretches out the front end of the cutter hub.

The beneficial effects of the utility model are: simplifying structure, multiple first points of a knife and second are set on a blade Point of a knife meets a variety of form processings by a blade, avoids frequent more allowing blade replacement, and rotate after the damage of one of point of a knife Blade can continue to use, and reduce costs.

Further, the cutter hub front end is equipped with the first curved portion and the second curved portion, first curved portion and for adding First point of a knife of work outer circle is corresponding, and is interior concave arc, and second curved portion is corresponding with for processing the first point of a knife of inner hole, It and is evagination circular arc.

Further, the arc radius of first curved portion is 125mm, and the arc radius of second curved portion is 55mm。

Beneficial effect using above-mentioned further scheme is: the first curved portion uses interior concave arc, increases the strong of blade Degree, the second curved portion use evagination circular arc, and the first point of a knife of processing inner hole and workpiece is avoided to interfere.

Further, the cutting edge line of the cutting edge of first point of a knife and the second point of a knife is with the angle that cutter hub is axially formed 95 °~120 °.

Further, the cutting edge line of the cutting edge of first point of a knife and the second point of a knife is with the angle that cutter hub is axially formed 110°。

Further, the cutting edge line of the cutting edge of first point of a knife and the second point of a knife is with the angle that cutter hub is axially formed 95 °~120 °, suitable angle is conducive to combine the function of two the first points of a knife and second point of a knife, if angle is less than At 95 °, the second point of a knife can not process plane, if angle be greater than 120 °, two first points of a knife adjacent with second point of a knife without Method meets the condition of processing excircles or inner hole simultaneously.

Further, the mounting groove include with the matched slot bottom in blade bottom surface and with the matched side wall of blade side, it is described The side wall of mounting groove is equipped with the avoid holes for avoiding the first point of a knife and the second point of a knife.

Further, the avoid holes are semi arch hole.

Further, the slot bottom of the mounting groove is equipped with the first threaded hole, and the center of the blade is equipped with the second threaded hole, knife Piece passes through the first threaded hole by locking member and the second threaded hole is connect with mounting groove.

Further, the locking member is screw.

Beneficial effect using above-mentioned further scheme is: structure is simple, switches point of a knife convenient for blade Fast Installation, passes through Avoid holes are not only conducive to pick and place blade, it is thus also avoided that damage point of a knife.

Further, the second point of a knife between two first points of a knife and two first points of a knife stretches out the cutter hub front end 1.5mm~.3mm, the distance which stretches out cutter hub side is 1.5mm~2mm, each point of a knife stretching cutter hub front end, On the one hand cutter hub side suitably distance combines the processing of three points of a knife, corresponding point of a knife can be selected to add according to demand Work, no replacement is required or rotating blade, on the other hand ensure that the intensity of blade.

Detailed description of the invention

Fig. 1 is the main view of the indexable integrated form cutting tool of the utility model embodiment；

Fig. 2 is the A of Fig. 1 to schematic diagram；

Fig. 3 is the enlarged diagram of part B in Fig. 1；

Fig. 4 is that the indexable integrated form cutting tool of the utility model embodiment removes the main view after blade；

Fig. 5 is the C of Fig. 4 to schematic diagram；

Fig. 6 is the main view of the blade of the indexable integrated form cutting tool of the utility model embodiment；

Fig. 7 is the D of Fig. 6 to schematic diagram.

Piece mark explanation

1 cutter hub；

11 mounting grooves；

2 avoid holes；

3 blades；

4 locking members；

51,52,53 second point of a knife；

61,62,63 first point of a knife；

71,72 chamfering cutting edge；

81 first curved portions；

82 second curved portions.

Specific embodiment

The embodiments of the present invention is illustrated by particular specific embodiment below, those skilled in the art can be by this Content disclosed by specification understands other advantages and effect of the utility model easily.

It should be clear that the term of such as "upper", "lower", "left", "right", " centre " and " one " cited in this specification, also Only being illustrated convenient for narration, rather than to limit the enforceable range of the utility model, relativeness is altered or modified, Under the content of no substantial changes in technology, when being also considered as the enforceable scope of the utility model.

As shown in Figures 1 to 7, the indexable integrated form cutting tool of the utility model embodiment, including cutter hub 1, are also wrapped Blade 3 is included, cutter hub 1 and blade 3 are all made of hard alloy and are fabricated, and the front end of cutter hub 1 is equipped with the installation for installing blade 3 Slot 11, blade 3 are connected by locking member 4 and mounting groove locking, and locking member 4 can use screw, and the slot bottom of mounting groove is equipped with the One threaded hole, the center of blade 1 are equipped with the second threaded hole, and blade 3 passes through the first threaded hole and the second threaded hole by locking member 4 It is connect with mounting groove 11.Blade 3 includes three the first points of a knife for processing excircles or inner hole, the first adjacent point of a knife 61 and the It is equipped with the second point of a knife 51 for plane machining between one point of a knife 62, is equipped between adjacent the first point of a knife 62 and the first point of a knife 63 The for plane machining is equipped with for the second point of a knife 52 of plane machining, between adjacent the first point of a knife 61 and the first point of a knife 63 Two points of a knife 53, the first point of a knife 61 and the connection of the second point of a knife 51 form the chamfering cutting edge 72 for being used for chamfering, the first point of a knife 62 and second The connection of point of a knife 51 forms the chamfering cutting edge 71 for being used for chamfering, according to the machine direction selection chamfering cutting edge 71 of chamfering or can fall Angle cutting edge 72 carries out chamfer machining.When blade is mounted in mounting groove, between two the first points of a knife and two first points of a knife The second point of a knife stretch out cutter hub front end, i.e., for processing the first point of a knife 61, the first point of a knife 62 and the two second points of a knife it Between the second point of a knife 51 stretch out the front end of cutter hub 1.Wherein, the first point of a knife 61 stretches out distance D3, the first point of a knife of 1 front end of cutter hub It is 1.5mm~3mm that distance D1, the second point of a knife 51 of 62 stretching 1 front ends of cutter hub, which stretch out the range of the distance D2 of 1 front end of cutter hub, The specific distance for stretching out cutter hub front end is designed adjustment according to specific requirements, and the first point of a knife 61 stretches out the distance of 1 side of cutter hub It is 1.5mm~2mm that D1, the first point of a knife 62, which stretch out the range of the distance H1 of 1 side of cutter hub, the specific distance for stretching out cutter hub side Adjustment is designed according to specific requirements, and each point of a knife 1 front end of stretching cutter hub appropriate, 1 side of cutter hub can not only be taken into account respectively A point of a knife processing performance, while point of a knife being avoided to collapse point, it ensure that the service life of point of a knife.

As shown in Figures 1 to 7, the front end of cutter hub 1 is equipped with the first curved portion 81 and the second curved portion 82, the first curved portion 81 It is corresponding with the first point of a knife 62 for processing excircles, and be interior concave arc, the second curved portion 82 with for processing the first of inner hole Point of a knife 61 is corresponding, and is evagination circular arc, and curved portion can be configured using concave or convex according to specific process requirements, but with Corresponding second curved portion of the first point of a knife for processing inner hole need to use evagination circular arc, second point of a knife when avoiding processing inner hole Interfere with inner hole of workpiece.In the present embodiment, the arc radius of corresponding first curved portion 81 of the first point of a knife 62 is 125mm, the The arc radius of corresponding second curved portion 82 of one point of a knife 61 is 55mm, the circular arc half of the first curved portion 81 and the second curved portion 82 Diameter can be arranged with the size selection of workpieces processing according to demand, and when processing, the first point of a knife 62 is used for Excircle machining, the first point of a knife 61 are used for interior hole machined, and the first curved portion 81 is conducive to blade thickening using arc structure, increases blade strength, the second curved portion 82 make the first point of a knife 61 avoid interfering with the hole wall of inner hole of workpiece when processing inner hole using arc structure.

As shown in Figure 1 to Figure 3, the cutting edge line and knife of the first point of a knife 61, the cutting edge of the first point of a knife 62 and the second point of a knife 51 The angle α that body 1 is axially formed is 95 °~120 °, i.e. the angle that is axially formed of chamfering cutting edge 71 and chamfering cutting edge 72 and cutter hub 1 α is 95 °~120 °, and the optimized angle of angle α is 110 °, and suitable angle, which is arranged, ensure that the first point of a knife 61,62 and second Point of a knife 51 is provided simultaneously with machining function, avoid some point of a knife can not normal process, meet a variety of process requirements, without frequently more Allowing blade replacement.

For the ease of installation, mounting groove 11 include with the matched slot bottom in 1 bottom surface of blade and with the matched side wall of blade side, Each side wall connection is matched with the outer contour shape of blade 1, and the side wall of mounting groove is equipped with for avoiding the first point of a knife and second The avoid holes 2 of point of a knife, avoid holes 2 are the semi arch hole that radius is 1mm, make 1 installing and dismounting of blade more square by avoid holes Just, damage point of a knife is avoided.The folder of angle β and blade 3 and cutter hub 1 that the slot bottom outer profile and cutter hub 1 of mounting groove 11 are axially formed Angle α is equal, and using structure design so that slot bottom outer profile matches with insert bottom shape, it is accurate to be conducive to blade stability It is mounted in mounting groove, improves the precision of blade installation.

The cutter structure of the utility model is simple, and it is convenient to manufacture, and manufacturing cost is low, is arranged on the same blade multiple Point of a knife unclamps locking member when the damage of one of point of a knife, and rotating blade can continue to use, blade removal installation side Just, processing efficiency is improved, is reduced costs.

The above embodiments are only illustrative of the principle and efficacy of the utility model, and not for limitation, this is practical new Type.Any person skilled in the art can all carry out above-described embodiment under the spirit and scope without prejudice to the utility model Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the revealed essence of the utility model All equivalent modifications or change completed under mind and technical idea, should be covered by the claim of the utility model.

Claims (10)

1. a kind of indexable integrated form cutting tool, including cutter hub, it is characterised in that: further include blade, the blade includes three A the first point of a knife for processing excircles or inner hole is equipped with the second knife for plane machining between two neighboring first point of a knife Point, first point of a knife and the second point of a knife connect the chamfering cutting edge to be formed for chamfering, and the front end of the cutter hub is equipped with for pacifying The mounting groove of blade is filled, the blade is mounted in mounting groove, and between the first point of a knife of two of them and two first points of a knife The second point of a knife stretch out the front end of the cutter hub.

2. a kind of indexable integrated form cutting tool according to claim 1, it is characterised in that: the cutter hub front end is equipped with First curved portion and the second curved portion, first curved portion is corresponding with for the first point of a knife of processing excircles, and is indent circle Arc, second curved portion is corresponding with for processing the first point of a knife of inner hole, and is evagination circular arc.

3. a kind of indexable integrated form cutting tool according to claim 2, it is characterised in that: first curved portion Arc radius is 125mm, and the arc radius of second curved portion is 55mm.

4. a kind of indexable integrated form cutting tool according to claim 1, it is characterised in that: the sword of first point of a knife The angle that the cutting edge line and cutter hub of mouth and the second point of a knife are axially formed is 95 °~120 °.

5. a kind of indexable integrated form cutting tool according to claim 4, it is characterised in that: the sword of first point of a knife The angle that the cutting edge line and cutter hub of mouth and the second point of a knife are axially formed is 110 °.

6. a kind of indexable integrated form cutting tool according to claim 1, it is characterised in that: the mounting groove include with The matched slot bottom in blade bottom surface and with the matched side wall of blade side, the side wall of the mounting groove is equipped with for avoiding the first knife The avoid holes of point and the second point of a knife.

7. a kind of indexable integrated form cutting tool according to claim 6, it is characterised in that: the avoid holes are semicircle Arc hole.

8. a kind of indexable integrated form cutting tool according to claim 6, it is characterised in that: the slot bottom of the mounting groove Equipped with the first threaded hole, the center of the blade is equipped with the second threaded hole, and blade passes through the first threaded hole and the by locking member Two threaded holes are connect with mounting groove.

9. a kind of indexable integrated form cutting tool according to claim 8, it is characterised in that: the locking member is spiral shell Nail.

10. a kind of indexable integrated form cutting tool according to claim 1, it is characterised in that: two first knives The second point of a knife between point and two first points of a knife stretches out the cutter hub front end 1.5mm~.3mm, which stretches The distance of cutter hub side is 1.5mm~2mm out.