阅读说明：本技术 龙鳞甲可转位车削刀片 (Scale-like indexable turning insert ) 是由 李凌祥 于 2021-08-02 设计创作，主要内容包括：本发明公开了龙鳞甲可转位车削刀片,包括车刀片主体,所述车刀片主体的一侧上端设置有切削刃,所述切削刃设置为龙爪形的切削刃,所述车刀片主体上开设有断屑槽,所述断屑槽的内壁固定安装有反屑墙,本发明减小了切屑与反屑墙之间的摩擦力,避免在车刀内部摩擦热的堆积,提高了车刀的抗热冲击性能,进一步弱化了切屑的软化效应,使得切屑更加容易产生塑性变形,促进断屑,能有效避免切削过程中工件材料一定程度的回弹所引起震动问题的产生,使得切削更加平稳,强化了切削刃的强度,降低了切削刃崩碎的风险,且冷却液能在刀片内部顺畅的流通,从而有效冷却刀片体内部,提升刀片使用寿命。(The invention discloses a dragon scale first indexable turning blade, which comprises a turning blade main body, wherein a cutting edge is arranged at the upper end of one side of the turning blade main body, the cutting edge is a dragon claw-shaped cutting edge, a chip breaker is arranged on the turning blade main body, and a chip-reversing wall is fixedly arranged on the inner wall of the chip breaker, so that the friction force between chips and the chip-reversing wall is reduced, the accumulation of friction heat in a turning tool is avoided, the thermal shock resistance of the turning tool is improved, the softening effect of the chips is further weakened, the chips are easier to generate plastic deformation, the chip breaking is promoted, the vibration problem caused by the rebound of a workpiece material to a certain degree in the cutting process can be effectively avoided, the cutting is more stable, the strength of the cutting edge is strengthened, the risk of the breakage of the cutting edge is reduced, and cooling liquid can smoothly circulate in the blade so as to effectively cool the inside of the blade body, the service life of the blade is prolonged.)

1. Indexable turning insert of scale, including turning insert main part (1), its characterized in that: one side upper end of turning insert main part (1) is provided with cutting edge (2), cutting edge (2) set up to the cutting edge of dragon's claw shape, chip-breaker (6) have been seted up on turning insert main part (1), the inner wall fixed mounting of chip-breaker (6) has anti-chip wall (3), anti-chip wall (3) set up to the anti-chip wall of dragon's scale form, fastening screw hole (4) have been seted up on turning insert main part (1), interior cold hole (5) have been seted up to the lateral part of turning insert main part (1), interior cold hole (5) and fastening screw hole (4) intercommunication.

2. The dragon squama manic indexable turning insert of claim 1, wherein: the chip breaker groove (6) is a step-shaped chip breaker groove, the anti-chip walls (3) are arranged in groups at equal intervals, and the anti-chip walls (3) between two adjacent layers are arranged in a staggered mode.

3. The dragon squama manic indexable turning insert of claim 1, wherein: the inner wall of the fastening screw hole (4) is provided with four grooves (7), and the grooves (7) are arranged in an annular array.

4. The dragon squama manic indexable turning insert of claim 1, wherein: the inner cooling holes (5) are arranged in four groups in an array mode, the inner cooling holes (5) are arranged in an inclined mode, and the inner cooling holes (5) are arranged in a suction pipe shape.

5. The dragon squama manic indexable turning insert of claim 1, wherein: the cutting edges (2) are provided with four groups, the adjacent two groups of cutting edges (2) are vertically arranged, and the side edges of the turning insert main body (1) are provided with chamfers.

6. The dragon squama manic indexable turning insert of claim 3, wherein: the groove (7) is a groove with a curved inner wall, and the groove (7) and the inner cooling hole (5) are arranged in an aligned mode.

Technical Field

The invention relates to the technical field of numerical control blades, in particular to a dragon scale beetle indexable turning blade.

Background

Turning is one of the most basic and widely applied machining modes in mechanical machining, and a numerical control insert is a general name of an indexable turning insert and is a mainstream product in the field of modern metal cutting application. The high-efficiency wear-resistant cutting insert is mainly applied to the fields of metal turning, milling, cutting and grooving, thread turning and the like, and has the characteristics of high efficiency and high wear resistance, and the processing efficiency is improved by more than 4 times compared with that of the traditional welding insert and alloy insert. With the continuous progress of coating technology, the breakthrough of key technologies of wear resistance and high temperature resistance can further improve the efficiency and reduce the processing cost, and the numerical control blade comprises five types, namely an integral type, an embedded type, a damping type, a special type and an inner cooling type.

However, most turning inserts in the prior art have large friction force between chips and a chip-reversing wall in the working process, more heat can be accumulated in the turning tool, the thermal shock resistance of the turning tool is reduced, the chips can be softened, chip breaking is not facilitated, a workpiece can vibrate in the cutting process of the existing turning tool, the strength of a cutting edge is not high, the cutting edge can be broken, the cooling effect of cooling liquid on the turning tool is not good, the service life of the turning tool is reduced, and therefore the scale-beetle indexable turning insert needs to be provided.

Disclosure of Invention

The invention aims to provide a dragon squama manila indexable turning blade, which reduces the friction force between chips and a chip-reflecting wall, avoids the accumulation of friction heat in the turning tool, improves the thermal shock resistance of the turning tool, further weakens the softening effect of the chips, enables the chips to be easier to generate plastic deformation, promotes chip breaking, can effectively avoid the vibration problem caused by the rebound of workpiece materials to a certain degree in the cutting process, enables the cutting to be more stable, strengthens the strength of a cutting edge, reduces the risk of the breakage of the cutting edge, and enables cooling liquid to smoothly circulate in the blade, thereby effectively cooling the inside of a blade body, prolonging the service life of the blade and solving the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: indexable turning blade of dragon squama manitis, including the turning blade main part, one side upper end of turning blade main part is provided with the cutting edge, the cutting edge sets up the cutting edge into dragon's claw shape, the chip-breaker has been seted up in the turning blade main part, the inner wall fixed mounting of chip-breaker has anti-chip wall, anti-chip wall sets up to the anti-chip wall of dragon's scale form, fastening screw hole has been seted up in the turning blade main part, interior cold hole has been seted up to the lateral part of turning blade main part, interior cold hole and fastening screw hole intercommunication.

Preferably, the chip breakers are stepped chip breakers, a plurality of groups of chip-resisting walls are arranged at equal intervals, and the chip-resisting walls between two adjacent layers are arranged in a staggered manner.

Preferably, four groups of grooves are formed in the inner wall of the fastening screw hole in an annular array.

Preferably, the inner cooling holes are arranged in four groups in an array manner, the inner cooling holes are obliquely arranged, and the inner cooling holes are suction pipe-shaped inner cooling holes

Preferably, the cutting edges are provided with four groups, every two adjacent groups of cutting edges are vertically arranged, and the side edges of the turning insert main body are provided with chamfers.

Preferably, the groove is a groove with a curved inner wall, and the groove and the inner cooling hole are arranged in an aligned manner.

Compared with the prior art, the invention has the beneficial effects that:

1. through the design of the anti-chip walls, the anti-chip walls between two adjacent layers are arranged in a staggered manner, the anti-chip walls are arranged into the dragon-scale anti-chip walls, the generation of the friction force between the cutter and the chip is effectively weakened, the accumulation of the friction heat is avoided, the heat transfer between the cutter and the chip is effectively reduced, the heat dissipation area of the turning tool can be increased by the arc-shaped scale-shaped structures, and the gaps between the scale-shaped structures can effectively contain cooling liquid;

2. through the design of the cutting edge, the fastening screw hole and the internal cooling hole, the cutting edge of the claw-shaped cutting edge can be inserted into the workpiece like a sharp claw, so that the blade can be more firmly engaged in the workpiece, the cutting force can be effectively decomposed by the arc-shaped concave structure, the internal volume of the fastening screw hole can be effectively increased by the groove, a large amount of cooling liquid can be locked, the fastening screw can be soaked in the cooling liquid to be efficiently cooled, the contact area between the nut of the fastening screw and the blade can be effectively reduced, and the heat transfer between the blade and the screw can be reduced. The service life of the blade is prolonged.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of the backside of the present invention;

FIG. 3 is a schematic side view of the present invention;

fig. 4 is a schematic cross-sectional structure of the present invention.

In the figure: 1. a turning blade main body; 2. a cutting edge; 3. a chip-resistant wall; 4. a set screw hole; 5. an internal cooling hole; 6. a chip breaker groove; 7. and (4) a groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The same reference numbers in different drawings identify the same or similar elements; it should be further understood that terms such as "first," "second," "third," "upper," "lower," "front," "back," "inner," "outer," "end," "portion," "section," "width," "thickness," "zone," and the like, as used herein, are merely used for convenience in referring to the figures and to aid in describing the invention, and are not intended to limit the invention.

Referring to fig. 1-4, the present invention provides a technical solution: the scale-beetle indexable turning insert comprises an insert body 1, wherein the upper end of one side of the insert body 1 is provided with cutting edges 2, the cutting edges 2 are provided with four groups, two adjacent groups of cutting edges 2 are vertically arranged, namely, the insert body 1 is a square turning insert body, and the side edges of the insert body 1 are provided with chamfers, so that the abrasion of thick chips on a rear cutter face can be effectively avoided in the process of violent cutting;

the cutting edge 2 is a claw-shaped cutting edge, and during turning, the cutting edge of the claw-shaped cutting edge 2 can be inserted into a workpiece like a sharp claw, so that the blade can be more firmly engaged in the workpiece, the vibration problem caused by rebound of workpiece materials to a certain degree in the cutting process can be effectively avoided, the cutting is more stable, the cutting force can be effectively decomposed due to the arc-shaped concave structure, and the strength of the cutting edge is further structurally strengthened;

the turning tool blade comprises a turning tool blade body 1, wherein chip breakers 6 are arranged on the turning tool blade body 1, anti-chip walls 3 are fixedly arranged on the inner walls of the chip breakers 6, the chip breakers 6 are arranged into step-shaped chip breakers, a plurality of groups of anti-chip walls 3 are arranged at equal intervals, the anti-chip walls 3 between two adjacent layers are arranged in a staggered mode, the anti-chip walls 3 are arranged into dragon-scale-shaped anti-chip walls, when chips contact the anti-chip walls, the scale-shaped structures can enable conventional cutter-chip surface contact to be converted into point-line-surface contact, so that the generation of the friction force between the cutters and the chips is effectively weakened, the accumulation of friction heat is avoided, the heat transfer between the cutters and the chips can be effectively reduced, the friction force and the extrusion load between the cutters and the chips can be effectively decomposed, the arc-shaped scale-shaped structures can increase the heat dissipation area of a turning tool, and gaps between the scale-shaped structures can effectively contain volume cooling liquid, so that the overall heat dissipation performance of the turning tool is improved, compared with a conventional turning tool, the effective heat dissipation area is increased by at least 60%, the thermal shock resistance of the turning tool is greatly enhanced, cutting heat is reduced, the softening effect of chips is further weakened, the chips are easier to generate plastic deformation, and chip breaking is promoted;

the internal cooling structure comprises a turning blade main body 1, fastening screw holes 4 are formed in the turning blade main body 1, internal cooling holes 5 are formed in the side portion of the turning blade main body 1, four groups of internal cooling holes 5 are arranged in an array mode, the internal cooling holes 5 are obliquely arranged, the internal cooling holes 5 are arranged to be suction pipe-shaped internal cooling holes, the internal cooling holes 5 are communicated with the fastening screw holes 4 to form a fluid communication effect, cooling liquid can smoothly circulate in the blade, the internal portion of the blade body is effectively cooled, the service life of the blade is prolonged, grooves 7 are formed in the inner wall of the fastening screw holes 4, the grooves 7 are arranged in an annular array mode, the grooves 7 are arranged to be grooves with curved surfaces, the grooves 7 and the internal cooling holes 5 are arranged in an aligned mode, the inner volume of the fastening screw holes 4 can be effectively increased through the grooves 7, a large amount of cooling liquid can be locked, the fastening screws can be soaked in the cooling liquid to obtain efficient cooling, and the empty contact area of the fastening screws and the nut blade can be effectively reduced, reducing heat transfer between the blade and the screw.

When the device is used, in the operation process of the turning tool, the cutting edge of the claw-shaped cutting edge 2 can be inserted into a workpiece like a sharp claw, so that a blade can be more firmly engaged in the workpiece, the vibration problem caused by certain resilience of a workpiece material in the cutting process can be effectively avoided, the cutting is more stable, when chips generated in the turning process contact the anti-chip wall 3, the anti-chip wall 3 of the scale-shaped structure reduces the friction force between the turning tool and the chips, the accumulation of friction heat is reduced, and the gap between the scale-shaped structures can effectively contain cooling liquid, so that the integral heat dissipation performance of the turning tool is improved;

the cutting is more steady for the cutting 2 of dragon's claw shape, and curved indent structure enables the cutting force to obtain effectual decomposition to from structural further reinforceed cutting 2's intensity, interior cold-hole 5 and fastening screw hole 4 intercommunication form the fluid UNICOM effect, make the coolant liquid can be at the inside smooth and easy circulation of blade, thereby effectively cool off the internal portion of blade, promote blade life.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.