CN209255953U - Milling cutter with chip-breaker - Google Patents

Abstract

The utility model relates to a kind of milling cutter with chip-breaker, which includes knife handle and cutter head, and knife handle is in cylindrical structure, and knife handle and cutter head are integrally formed；Cutter head includes multiple chip spaces extended from the junction of cutter head and knife handle to cutter head end convolution；Rake face is equipped between adjacent chip space, end convolution of the rake face from the junction of cutter head and knife handle to cutter head extends；Rake face is equipped with multiple chip-breakers in parallel, and the both ends of chip-breaker extend respectively to adjacent two chip space of the rake face where chip-breaker, and the junction of adjacent chip-breaker forms chip breaking sword.The milling cutter with chip-breaker of the utility model can be easier, cutting process is more stable, while also improving the service life of milling cutter by being arranged in cutting operation for chip-breaker by long cutting at shorter small cutting compared to traditional milling cutter chip removal.

Description

Milling cutter with chip-breaker

Technical field

The utility model relates to industrial knife technical field more particularly to a kind of milling cutters with chip-breaker.

Background technique

In Milling Process, milling cutter is widely used, and is typically used in the side milling of roughing or finishing, and is worked as and milled Cut material it is softer when, traditional milling cutter can lead to the problem of chip removal, at this time length of chip be equal to one chip space of milling cutter length, no Easy-clear, and longer chip can be taken up and new chip tangle up in next circulation milling, so that cutting process Become unstable, influences the cutting force and service life of cutter.

Utility model content

The purpose of the utility model is to provide a kind of milling cutters with chip-breaker that can be cut off chip, be easy to chip removal.

To realize a kind of milling cutter with chip-breaker that the utility model aim provides, including knife handle and cutter head,

The knife handle is in cylindrical structure, and the knife handle and the cutter head are integrally formed；

The cutter head includes the chip removal that multiple junctions from the cutter head and the knife handle extend to cutter head end convolution Slot；

Rake face is equipped between the adjacent chip space, the rake face is from the junction of the cutter head and the knife handle Extend to the end convolution of the cutter head；

The rake face is equipped with multiple chip-breakers in parallel, and the both ends of the chip-breaker extend respectively to where the chip-breaker The rake face adjacent two chip space, the junction of the adjacent chip-breaker forms chip breaking sword.

In a wherein specific embodiment, the chip-breaker is arranged perpendicular to the longitudinal center line of the knife handle.

In a wherein specific embodiment, there are four the chip spaces, and there are four the rake faces, each preceding knife The chip-breaker on face is no less than 20.

In a wherein specific embodiment, the groove depth of the chip-breaker be less than the groove depth of the chip space five/ One.

In a wherein specific embodiment, one end end face that the knife handle is not connect with the cutter head is chamfering.

In a wherein specific embodiment, the length of the cutter head in the axial direction is less than the length of the knife handle.

In a wherein specific embodiment, the midpoint of one end that the knife handle is not connect with the cutter head is equipped with positioning Hole.

In a wherein specific embodiment, the groove depth of the chip space is less than 1/10th of the shank diameter

In a wherein specific embodiment, the material of the cutter head and knife handle is hard alloy.

The beneficial effects of the utility model include: that the milling cutter with chip-breaker of the utility model is existed by the setting of chip-breaker It can be easier compared to traditional milling cutter chip removal, cutting process by long cutting at shorter small cutting in cutting operation It is more stable, while also improving the service life of milling cutter.

Detailed description of the invention

Fig. 1 is a kind of main view of the specific embodiment of the milling cutter with chip-breaker of the utility model；

Fig. 2 is a kind of left view of the specific embodiment of the milling cutter with chip-breaker of the utility model.

Specific embodiment

In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing to this reality It is illustrated with the specific embodiment of the novel milling cutter with chip-breaker.It should be appreciated that specific embodiment described herein It is only used to explain the utility model, is not used to limit the utility model.

The milling cutter with chip-breaker 3 of an embodiment as shown in Figures 1 and 2, including knife handle 1 and cutter head, cutter head and knife handle 1 Material can be selected according to specific requirements, it is preferred that the material of cutter head and knife handle 1 be hard alloy, the cutter head of hard alloy and Knife handle 1 can satisfy most of cutting demand.Knife handle 1 is in cylindrical structure, and the length and diameter of cylinder can according to need really It is fixed, it is such as 3 centimetres, 1.5 centimetres of diameter long, it is preferred that the length of the cylindrical structure of knife handle 1 is the diameter of the cylindrical structure of knife handle 1 2 times or more.Knife handle 1 and cutter head are integrally formed, and cutter head includes multiple from the junction of cutter head and knife handle 1 to cutter head end convolution The chip space 2 of extension, chip space 2 are used to that chip to be discharged when milling cutter operation, and chip space 2 can be 3,4,6 or according to need The other quantity wanted.Rake face, the junction formation blade of rake face and chip space 2, preceding knife are equipped between adjacent chip space 2 Face extends from the junction of cutter head and knife handle 1 to the end convolution of cutter head, the helical angle and row that rake face and 1 axis of knife handle are formed It is identical as the angle of helical angle that 1 axis of knife handle is formed to consider slot 2 to be worth doing.Rake face is equipped with multiple chip-breakers 3 in parallel, can be 3, and 8 A, 10 or the other quantity that is arranged according to actual needs, the both ends of chip-breaker 3 extend respectively to the preceding knife where chip-breaker 3 The junction of adjacent two chip space 2 in face, adjacent chip-breaker 3 forms chip breaking sword.

In a wherein specific embodiment, chip-breaker 3 is arranged perpendicular to the longitudinal center line of knife handle 1, longitudinal center line It is the longitudinal center line of the cylindrical structure of knife handle 1, chip-breaker 3 can more effectively cut chip perpendicular to longitudinal center line It is disconnected.

In a wherein specific embodiment, there are four chip spaces 2, and there are four rake faces, the chip breaking on each rake face Slot 3 is no less than 20, it is preferred that the quantity of the chip-breaker 3 on each rake face is 29, and the milling cutter of this set is being cut Preferably chip can be cut off in operation, while also more stable.

In a wherein specific embodiment, the groove depth of chip-breaker 3 is less than 1/5th of the groove depth of chip space 2, groove depth Refer to the depth of chip-breaker 3 and chip space 2, the chip-breaker 3 of this set can effectively guarantee the overall stiffness of milling cutter The cutting to chip is realized simultaneously.

In a wherein specific embodiment, one end end face that knife handle 1 is not connect with cutter head is chamfering, chamfer angle according to Actual demand setting, can be 45 °, 50 °, 60 ° etc., the knife handle 1 of chamfered is easier to be fixed on process equipment.

In a wherein specific embodiment, the length of cutter head in the axial direction is less than the length of knife handle 1, axially refers to The direction of the longitudinal center line of the cylindrical structure of knife handle 1, cutter head and knife handle 1 are coaxial, and the length that the length of cutter head is less than knife handle 1 exists It can preferably keep stable when milling cutter operation.

In a wherein specific embodiment, the midpoint of one end that knife handle 1 is not connect with cutter head is equipped with location hole, location hole Setting convenient for milling cutter is placed on process equipment, realization fast accurately positions, and is conducive to precisely process workpiece.

In a wherein specific embodiment, the groove depth of chip space 2 is less than 1/10th of 1 diameter of knife handle, due to chip breaking Being arranged in the work of milling cutter for slot 3 will not generate longer chip, and the traditional milling cutter of the ratio that the groove depth of chip space 2 can be done is slightly Shallowly, the integral rigidity of such milling cutter, which obtains increasing, can also ensure that normal work.

Working principle: traditional milling cutter can generate longer chip in side milling softer material, in period cutting, this A little long chips can be sticked together, and chip removal is difficult, and chip process is made to become unstable, can make milling cutter service life reduction, this is practical new Chip uniform cut can be made long chip become shorter small chip by the milling cutter with chip-breaker 3 of type, and chip removal becomes easy, cuts The process of cutting becomes stable, and improves milling cutter service life and performance.

Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed, But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to In the protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.

Claims (9)

1. a kind of milling cutter with chip-breaker, which is characterized in that including knife handle and cutter head,

The knife handle is in cylindrical structure, and the knife handle and the cutter head are integrally formed；

The cutter head includes the chip space that multiple junctions from the cutter head and the knife handle extend to cutter head end convolution；

Rake face is equipped between the adjacent chip space, the rake face is from the junction of the cutter head and the knife handle to institute The end convolution for stating cutter head extends；

The rake face is equipped with multiple chip-breakers in parallel, and the both ends of the chip-breaker extend respectively to the institute where the chip-breaker Adjacent two chip space of rake face is stated, the junction of the adjacent chip-breaker forms chip breaking sword.

2. the milling cutter according to claim 1 with chip-breaker, which is characterized in that the chip-breaker is perpendicular to the knife handle Longitudinal center line setting.

3. the milling cutter according to claim 1 with chip-breaker, which is characterized in that there are four the chip spaces, the preceding knife There are four faces, and the chip-breaker on each rake face is no less than 20.

4. the milling cutter according to claim 1 with chip-breaker, which is characterized in that the groove depth of the chip-breaker is less than the row Consider 1/5th of the groove depth of slot to be worth doing.

5. the milling cutter according to claim 1 with chip-breaker, which is characterized in that the knife handle was not connect with the cutter head One end end face is chamfering.

6. the milling cutter according to claim 1 with chip-breaker, which is characterized in that the length of the cutter head in the axial direction is small In the length of the knife handle.

7. the milling cutter according to claim 1 with chip-breaker, which is characterized in that the knife handle was not connect with the cutter head The midpoint of one end is equipped with location hole.

8. the milling cutter according to claim 1 with chip-breaker, which is characterized in that the groove depth of the chip space is less than the knife / 10th of shank diameter.

9. the milling cutter according to claim 1-8 with chip-breaker, which is characterized in that the material of the cutter head and knife handle Material is hard alloy.