CN208450760U - Eccentric sword burring knife - Google Patents

Abstract

The utility model discloses a kind of eccentric sword burring knifes, it is related to a kind of burring knife, aim to solve the problem that burring knife is easy to appear the unstable situation of the operating such as cutter hub bounce during operation in the prior art, its key points of the technical solution are that, the periphery of one side end face of cutter hub is evenly distributed with cutter tooth；Cutter tooth is formed with blade on the surface of knife edge, and the blade deviates the radial skew setting of cutter hub.It passes through the blade being obliquely installed and increases the contact area of blade and gear face, cutter tooth is made to deviate the direction perpendicular to edge length relative to the direction of motion of gear face simultaneously, cutter hub during deburring is steadily operated, there is the advantage that deburring effect is high-efficient, effect is good.

Description

Eccentric sword burring knife

Technical field

The utility model relates to a kind of burring knifes, more specifically, it relates to a kind of bias sword burring knife.

Background technique

In the prior art, gear-hobbing machine and the machined gear of gear shaping, knife face has many burrs out, some local files Knife is difficult deburring, and the time spent in file deburring is also longer, and the application of dedicated burring knife improves corresponding shape Condition.

Fig. 1 and as a kind of burring knife, 1 side periphery of cutter hub shown in Fig. 2 are evenly distributed with cutter tooth 2, and cutter tooth 2 exists 1 surface of cutter hub is formed and the radially consistent blade 21 of cutter hub 1.Blade 21 and cutter hub 1 are radially consistent, so that utilizing burring knife When carrying out grinding to the end face of gear, the contact area between blade 21 and gear face is smaller.In grinding process, it is easy There is the unstable situation of the cutter hubs operating such as bounce of cutter hub 1, is further improved.

Utility model content

In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of eccentric sword burring knife, Cutter hub smooth running, the advantage good to gear face burr removal effect when with grinding.

To achieve the above object, the utility model provides following technical solution:

A kind of bias sword burring knife including discoid cutter hub is provided with axis hole, the cutter hub one in the middle part of the cutter hub The periphery of side end face is evenly distributed with cutter tooth；The cutter tooth is formed with blade on the surface of knife edge, and the blade deviates cutter hub Radial skew setting.

By using above-mentioned technical proposal, when carrying out deburring using end face of the burring knife to gear, since blade is inclined Radial skew setting from cutter hub, increases the contact area between blade and gear face, so that cutter hub at work can Steady operating is less prone to cutter hub bounce, while improving the removal efficiency and removal rate to burr.Further, since blade inclines Tiltedly setting is ground the hair of generation so that cutter tooth deviates the direction perpendicular to edge length relative to the direction of motion of gear face Thorn under the influence of centrifugal force, can be rapidly separated, and avoided accumulating at blade, increased the expulsion efficiency of clast.

Further, folded acute angle≤15 ° between the blade and cutter hub radial direction.

By using above-mentioned technical proposal, the excessive blade that will cause of angle is inadequate to the ablation power of gear face, no Conducive to the removal of burr, thus folded acute angle is advisable between blade and cutter hub radial direction with≤15 °.

Further, tooth socket is formed with to the inclination of side blade direction is recessed between the adjacent blade.

By using above-mentioned technical proposal, there is the clast discharge and the heat hair generated conducive to grinding for being conducive to that grinding generates Scattered effect.

Further, the cutter hub includes that the fixed ring of coaxial arrangement and cricoid knife edge, the internal diameter of the knife edge are equal to The outer diameter of fixed ring, the axis hole are opened in the middle part of fixed ring.

By using above-mentioned technical proposal, cutter hub is made of cricoid knife edge and fixed ring, and knife edge and fixed ring are respective Radial thickness is respectively less than the radial thickness of cutter hub, so that linear differential on knife edge internal-and external diameter, linear differential on fixed ring internal-and external diameter It is small compared with linear differential on cutter hub internal-and external diameter, cutter hub can rotate at high speed operation without crack.

Further, there are several through-holes along its circumferential direction spaced set in the fixed ring.

By using above-mentioned technical proposal, burring knife can be fixed in driving equipment by through-hole, be gone with driving Deburring cutter rotation, grinding removal gear face burr.

Further, the outer rim that the fixed ring is located at one side end face of cutter tooth is provided with annular tongue and groove.

By using above-mentioned technical proposal, there is the work for being conducive to grinding clast discharge and the conduct heat away for accelerating grinding to generate With.

Further, periphery of the fixed ring away from the end face of cutter tooth side is extended with ring rib.

By using above-mentioned technical proposal, ring rib is bonded with the end face of knife edge, increases the peace between knife edge and fixed ring Stability is filled, so that knife edge and fixed ring are not easy to be axially separated.

Further, the end face of the fixed ring is set as oblique face, so that axis hole is located at the opening of cutter tooth side in loudspeaker Mouth shape.

By using above-mentioned technical proposal, has the function of the axis body insertion axis hole for being conveniently used for installation burring knife.

In conclusion the utility model has the following beneficial effects:

1, the blade being obliquely installed is capable of increasing the contact area of blade and gear face, conducive to the steady operating of cutter hub, It is high to the removal efficiency of gear face burr；The direction deviation that the blade being obliquely installed makes blade opposite with gear face movement Perpendicular to the direction of edge length, conducive to the efficiency for improving the clast discharge that grinding generates；

2, the tooth socket that is recessed to side edge tilted and the annular tongue and groove of fixed ring outer rim is set, all has and is conducive to grinding The effect for the conduct heat away that the discharge and grinding of the clast of generation generate.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of burring knife in background technique；

Fig. 2 is the enlarged drawing of part A in Fig. 1；

Fig. 3 is the structural schematic diagram one of eccentric sword burring knife in embodiment；

Fig. 4 is the cross-sectional view of eccentric sword burring knife in embodiment；

Fig. 5 is the enlarged drawing of part B in Fig. 3；

Fig. 6 is the structural schematic diagram two of eccentric sword burring knife in embodiment；

Fig. 7 is the enlarged drawing of C portion in Fig. 6.

In figure: 1, cutter hub；11, fixed ring；111, axis hole；112, through-hole；113, annular tongue and groove；114, ring rib；115, tiltedly To face；12, knife edge；2, cutter tooth；21, blade；22, tooth socket；3, gear.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.

Embodiment:

A kind of bias sword burring knife, referring to Fig. 3 comprising cutter hub 1, cutter hub 1 is by the fixed ring 11 and ring that are coaxially disposed The knife edge 12 of shape is constituted.The middle part of fixed ring 11 is provided with the axis hole 111 for installing fixed burring knife, the week of axis hole 111 The circumferential equidistantly distributed enclosed along fixed ring 11 has through-hole 112 everywhere.

Referring to Fig. 3 and Fig. 4, the periphery at 11 back side of fixed ring is extended with ring rib 114, the end face phase of ring rib 114 and knife edge 12 Fitting, increases the mounting stability between knife edge 12 and fixed ring 11.Periphery of the fixed ring 11 away from one side end face of fin is set It is equipped with annular tongue and groove 113, the setting of annular tongue and groove 113 has the function of that being conducive to clast is discharged and distributes conducive to heat.In order to just In installing fixed burring knife, the end face that fixed ring 11 is provided with annular 113 side of tongue and groove is provided with oblique face 115.This implementation Oblique face 115 is arcwall face in example, so that the opening of axis hole 111 is in the shape of a trumpet.

Referring to Fig. 3 and 5, the end face spaced set of 12 side of knife edge has cutter tooth 2, and cutter tooth 2 is formed on the surface of knife edge 12 Several inclined blades 21.Tooth socket 22 is formed with to the inclination of 21 direction of side blade is recessed between adjacent edge 21.

Referring to figure 6 and figure 7, the radial skew that blade 21 deviates cutter hub 1 is arranged, and the angle between 1 radial direction of cutter hub≤ 15°.Blade 21 deviates cutter hub 1 in the present embodiment radial 14 ° are obliquely installed.It is carried out using end face of the burring knife to gear 3 When deburring, since blade 21 is eccentric setting, blade 21 also offsets from the radial oblique of gear 3.

Working principle is as follows:

Since the blade 21 on cutter hub 1 deviates the radial skew setting of cutter hub 1, so that blade 21 is contacted with 3 end face of gear When increase the contact area of 3 end face of blade 21 and gear so that the operating of cutter hub 1 is more stable, improve the removal to burr Efficiency.Simultaneously because blade 21 is obliquely installed, when cutter hub 1 operates, blade 21 not hangs down relative to the direction of motion of 3 end face of gear Directly in the length direction of blade 21, on the one hand it is conducive to protection blade 21, the clast on the other hand enabling grinding to generate is quick It is detached from, avoids accumulating at blade 21, improve the expulsion efficiency of clast.

Above-mentioned specific embodiment is only the explanation to the utility model, is not limitations of the present invention, this Field technical staff can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, But as long as all by the protection of Patent Law in the scope of the claims of the utility model.

Claims (8)

1. a kind of bias sword burring knife is provided with axis hole (111) in the middle part of the cutter hub (1) including discoid cutter hub (1), It is characterized by: the periphery of (1) one side end face of cutter hub is evenly distributed with cutter tooth (2)；The cutter tooth (2) is in knife edge (12) Surface is formed with blade (21), and the blade (21) deviates the radial skew setting of cutter hub (1).

2. bias sword burring knife according to claim 1, it is characterised in that: the blade (21) and cutter hub (1) are radial Between folded acute angle≤15 °.

3. bias sword burring knife according to claim 2, it is characterised in that: to a side tool between the adjacent blade (21) The inclination of sword (21) direction is recessed to be formed with tooth socket (22).

4. bias sword burring knife according to claim 1, it is characterised in that: the cutter hub (1) includes coaxial arrangement Fixed ring (11) and cricoid knife edge (12), the internal diameter of the knife edge (12) are equal to the outer diameter of fixed ring (11), the axis hole (111) it is opened in the middle part of fixed ring (11).

5. bias sword burring knife according to claim 4, it is characterised in that: circumferential etc. along it on the fixed ring (11) Spacing is provided with several through-holes (112).

6. bias sword burring knife according to claim 5, it is characterised in that: the fixed ring (11) is located at cutter tooth (2) The outer rim of one side end face is provided with annular tongue and groove (113).

7. bias sword burring knife according to claim 6, it is characterised in that: the fixed ring (11) deviates from cutter tooth (2) The periphery of the end face of side is extended with ring rib (114).

8. bias sword burring knife according to claim 7, it is characterised in that: the end face of the fixed ring (11) is set as Oblique face (115), so that the opening that axis hole (111) is located at cutter tooth (2) side is in the shape of a trumpet.