CN208825660U

CN208825660U - Roughing aluminium high-speed milling cutter

Info

Publication number: CN208825660U
Application number: CN201821557066.0U
Authority: CN
Inventors: 李雪林
Original assignee: Nanjing Duote Tools Co Ltd
Current assignee: Nanjing Duote Tools Co Ltd
Priority date: 2018-09-21
Filing date: 2018-09-21
Publication date: 2019-05-07
Anticipated expiration: 2028-09-21

Abstract

The utility model discloses a kind of roughing aluminium high-speed milling cutters, it applies in milling cutter field, it is slower to solve the feed speed in cutting, influence whole processing efficiency technical problem, its key points of the technical solution are that: including knife handle, major cutting edge and knife core, knife core is extended on knife handle, major cutting edge is arranged on the periphery of knife core, and knife handle, major cutting edge and knife core are integrally formed；There are three the major cutting edge is set, uniform spiral is wrapped on knife core, and chip pocket is equipped between the adjacent major cutting edge, and the chip pocket extends at knife handle；The knife core is equipped with the end sword connecting with major cutting edge far from one end of knife handle, and the major cutting edge is equipped with arc-wave sword, and the range of the ratio d/D of the diameter D of the diameter d and major cutting edge of the knife core is 45% to 50%；What is had has the technical effect that chip removal speed block, and aluminium skimmings are not easy to be bonded on cutter, and cutter can quickly be fed, and preferably improves processing efficiency.

Description

Roughing aluminium high-speed milling cutter

Technical field

The utility model relates to milling cutter field, in particular to a kind of roughing aluminium high-speed milling cutter.

Background technique

Currently, the Chinese patent that notification number is CN204975477U discloses a kind of aluminium milling cutter, it includes that connection is in one The cutter body with shank section and blade part of body, blade part are connect through intermediate incline with shank section, the width contracting of cutting edge Small be formed with extends to the second of blade end surface and cuts pin sword, and blade end surface is equipped with quantity and cuts that pin sword is corresponding and connection with second Spaced teeth together, blade end surface are equipped with the convex positioning table positioned at spaced teeth center.

Although this aluminium milling cutter can be used for cutting the product of aluminum material, but feed speed is slower in cutting, shadow Ring whole processing efficiency.

Utility model content

The purpose of the utility model is to provide a kind of roughing aluminium high-speed milling cutters, its advantage is that chip removal speed block, aluminium skimmings It is not easy to be bonded on cutter, cutter can quickly be fed, and preferably improve processing efficiency.

The above-mentioned technical purpose of the utility model has the technical scheme that a kind of roughing aluminium is high Fast milling cutter, including knife handle, major cutting edge and knife core are extended with knife core on knife handle, and major cutting edge is arranged on the periphery of knife core, knife Handle, major cutting edge and knife core are integrally formed；

There are three the major cutting edge is set, uniform spiral is wrapped on knife core, and chip pocket is equipped between the adjacent major cutting edge, The chip pocket extends at knife handle；

The knife core is equipped with the end sword connecting with major cutting edge far from one end of knife handle, and the major cutting edge is equipped with arc-wave Sword, the range of the ratio d/D of the diameter D of the diameter d and major cutting edge of the knife core are 45% to 50%.

Through the above technical solutions, chip pocket is used to accommodate the aluminium skimmings that major cutting edge is cut, so that in Rapid milling In the process, aluminium skimmings can quickly be discharged, and will not be accumulated in major cutting edge, will not influence cutting of the major cutting edge to workpiece；Sword is held to use In the horizontal plane of converted products, in the horizontal plane of milling product, end sword can horizontal plane directly to workpiece carry out milling, keep away Tool changing bring time loss is exempted from；Arc-wave sword makes major cutting edge be divided into multiple teeth, and each tooth can be cut with side set point, so that knife For tool when with 500m/min even higher cutting speed, the aluminium skimmings machined away can quickly be pulled out away from workpiece in the form of clast Cutting region to preferably improve chip removal ability, and then ensures the fast feed that cutter can be stable；The diameter d of knife core Range with the ratio d/D of the diameter D of major cutting edge is 45% to 50%, so that chip pocket is bigger, can accommodate more aluminium skimmings, more preferably Avoid aluminium skimmings from being deposited at the cutting edge of major cutting edge.

The utility model is further arranged to: the ratio d/D of the diameter D of the diameter d and major cutting edge of the knife core is 48%.

Through the above technical solutions, the ratio of d/D is preferably 48%, so that chip pocket is when larger, while can also be preferable Guarantee the thickness of knife core, thus ensure that knife core intensity in turn ensured tool strength so that both ensure that chip removal speed, so that Cutter is relatively stable in high-speed cutting, is not easy breaking, and then ensures that cutter can carry out quick milling.

The utility model is further arranged to: the major cutting edge and end sword have intersected to form point of a knife, and the point of a knife is in knife handle Projection on end face is all fallen in the projection of other two major cutting edge.

Through the above technical solutions, making cutter at the side of milling workpiece, there are at least two major cutting edges to work always Part carries out milling simultaneously, so that the material removed in the unit time from workpiece surface is more, to preferably ensure that cutting Efficiency.

The utility model is further arranged to: the range of the helixangleβ of the major cutting edge is 43 ° to 47 °.

Through the above technical solutions, the range of β is 43 ° to 47 °, it is ensured that major cutting edge is in the case where quick cutting, also It can preferably guarantee that the roughness of the workpiece surface of cutting in turn ensures milling to both preferably ensure that process velocity Precision.

The utility model is further arranged to: the range of the anterior angle γ O of the major cutting edge is 17 ° to 22 °.

Through the above technical solutions, the range of γ O is 17 ° to 22 °, so that the cutting edge of major cutting edge is more sharp, make it possible to It is enough easier to remove material from workpiece, to realize feeding faster, and then it preferably ensure that the speed of milling.

The utility model is further arranged to: the end sword slopes inwardly from point of a knife towards the direction in axle center, the end The range of the radial angle ψ r of sword and knife core is 1 ° to 4 °.

Through the above technical solutions, the range of ψ r is 1 ° to 4 °, so that end sword is sharper, so that water of the end sword to workpiece When plane carries out milling, more quickly the material of workpiece surface can be removed, carry out vertical side faster to realize It feeds up.

The utility model is further arranged to: end face chip space, the end face chip space are equipped between the adjacent end sword One end is connected to chip pocket, and the other end extends at axle center.

Through the above technical solutions, the aluminium skimmings that end sword chip is fallen can avoid aluminium from chip space as chip pocket is discharged Bits are deposited at the sword of end, so that not having aluminium skimmings influences the feeding of end sword.

The utility model is further arranged to: the model of the ratio l/L of the major cutting edge length l in the axial direction and the long L of total knife Enclose is 32% to 40%.

Through the above technical solutions, the range of l/L is 32% to 40%, the accounting of major cutting edge is larger, so that the range of cutting It is bigger, so that the material machined away in the unit time is more, and then preferably improve stock-removing efficiency.

In conclusion the utility model has the following beneficial effects:

1. arc-wave sword makes major cutting edge be divided into multiple teeth, each tooth can be cut with side set point, to make machine tool chief axis in list When secondary cutting, load is lower, and cutting power is stronger；And make cutter in high-speed rotation, aluminium skimmings can be quickly with clast Form is pulled out away from cutting region, to preferably improve chip removal ability, and then ensures the fast feed that cutter can be stable；

2. the ratio d/D of the diameter D of the diameter d and major cutting edge of knife core is 48%, so that chip pocket is larger, can accommodate more Aluminium skimmings, preferably aluminium skimmings is avoided to be deposited at the cutting edge of major cutting edge.

Detailed description of the invention

Fig. 1 is the whole structural schematic diagram of the present embodiment.

Fig. 2 is the cross-section diagram of the major cutting edge of the present embodiment.

Fig. 3 is the structural schematic diagram of the end sword of the present embodiment.

Fig. 4 is the structural schematic diagram of the arc-wave sword of the present embodiment.

Appended drawing reference: 1, knife handle；2, major cutting edge；3, knife core；4, chip pocket；5, sword is held；6, arc-wave sword；7, point of a knife；8, End face chip space.

Specific embodiment

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

Embodiment:

With reference to Fig. 1 and Fig. 2, a kind of roughing aluminium high-speed milling cutter, including knife handle 1, major cutting edge 2 and knife core 3, knife handle 1 be in Cylinder is extended with knife core 3 on knife handle 1, and major cutting edge 2 is spirally wrapped around on the circumferential side wall of knife core 3, and major cutting edge 2 is around knife There are three the axis uniform arrays of core 3, and knife handle 1,2 knife core 3 of major cutting edge are integrally formed, the length l of major cutting edge 2 in the axial direction with The ratio l/L of the long L of total knife is preferably 32%, and the helixangleβ of major cutting edge 2 is preferably 43 °, and the anterior angle γ O of blade is 17 °, so that operator Sword 2 is sharper.

With reference to Fig. 2, chip pocket 4, the ratio of the diameter D of the diameter d and major cutting edge 2 of knife core 3 are equipped between adjacent major cutting edge 2 D/D is 48%, and accounting for for knife core 3 is smaller, so that chip pocket 4 is bigger；In Milling Process, major cutting edge 2 is by material from workpiece Sur-face peeling forms clast, and then clast enters chip pocket 4, and the cell wall along chip pocket 4 is moved to the direction far from major cutting edge 2 Dynamic, finally the tangential direction along chip pocket 4 is pulled out away from workpiece cutting zone；It is accumulated at major cutting edge 2 so as to avoid clast, no It will affect milling of the major cutting edge 2 to workpiece.

With reference to Fig. 1 and Fig. 2, the one end of knife core 3 far from knife handle 1 holds sword 5 to intersect shape with major cutting edge 2 integrally formed with end sword 5 At there is point of a knife 7；Slope inwardly at point of a knife 7 towards the direction in axle center, the radial angle ψ r of end sword 5 and knife core 3 is preferably 1 °；Phase End face chip space 8 is equipped between neighboring terminal sword 5, chip space 8 one end in end face is connected to chip pocket 4, and the other end extends at axle center.

With reference to Fig. 1 and Fig. 3, when being cut using milling cutter the horizontal plane of workpiece, point of a knife 7 is first connect with the surface of workpiece Touching, gradually enters and leaves into workpiece, can be easily by material from workpiece surface by the setting of ψ r so that end sword 5 is more sharp Removing；Then for clast along end face chip space 8, the direction for being directed away from axle center is mobile, and the inner wall along chip pocket 4 is mobile, finally It is pulled out away from workpiece cutting zone along the tangential direction of chip pocket 4, talus accumulation is avoided at the sword 5 of end, it is right to will not influence end sword 5 The milling of workpiece.

With reference to Fig. 1, in the projection that projection of the point of a knife 7 on 1 end face of knife handle all falls within other two major cutting edge 2, that is, At the side of milling workpiece, there are at least two major cutting edges 2 to carry out milling to the side of workpiece always.

With reference to Fig. 1 and Fig. 4, major cutting edge 2 is equipped with arc-wave sword 6, so that arc groove is formed between each tooth, thus shape It is cut at side set, cutter stress is smaller when single is cut, so that lathe remains low power consumption, allows lathe in limited power Under also may be implemented high-speed and high-efficiency cutting.

This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel 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

1. a kind of roughing aluminium high-speed milling cutter, including knife handle (1), major cutting edge (2) He Daoxin (3), knife handle are extended with knife on (1) Core (3), major cutting edge (2) are arranged on the periphery of knife core (3), and knife handle (1), major cutting edge (2) He Daoxin (3) are integrally formed；

It is characterized in that, uniform spiral is wrapped on knife core (3), the adjacent major cutting edge there are three the major cutting edge (2) sets (2) chip pocket (4) are equipped between, the chip pocket (4) extends at knife handle (1)；

The knife core (3) is equipped with the end sword (5) that connect with major cutting edge (2) far from the one end of knife handle (1), on the major cutting edge (2) Equipped with arc-wave sword (6), the range of the ratio d/D of the diameter D of the diameter d and major cutting edge (2) of the knife core (3) is 45% to 50%.

2. roughing aluminium high-speed milling cutter according to claim 1, which is characterized in that the diameter d and master of the knife core (3) The ratio d/D of the diameter D of blade (2) is 48%.

3. roughing aluminium high-speed milling cutter according to claim 2, which is characterized in that the major cutting edge (2) and end sword (5) it has intersected to form point of a knife (7), projection of the point of a knife (7) on knife handle (1) end face all falls within other two major cutting edge (2) Projection on.

4. roughing aluminium high-speed milling cutter according to claim 1, which is characterized in that the helixangleβ of the major cutting edge (2) Range be 43 ° to 47 °.

5. roughing aluminium high-speed milling cutter according to claim 1, which is characterized in that the anterior angle γ O of the major cutting edge (2) Range be 17 ° to 22 °.

6. roughing aluminium high-speed milling cutter according to claim 1, which is characterized in that the end sword (5) is at point of a knife (7) Slope inwardly towards the direction in axle center, the range of the radial angle ψ r of the end sword (5) and knife core (3) is 1 ° to 4 °.

7. roughing aluminium high-speed milling cutter according to claim 6, which is characterized in that set between the adjacent end sword (5) Have end face chip space (8), described end face chip space (8) one end is connected to chip pocket (4), and the other end extends at axle center.

8. roughing aluminium high-speed milling cutter according to claim 7, which is characterized in that the major cutting edge (2) is in the axial direction Length l and the long L of total knife ratio l/L range be 32% to 40%.