CN213496971U - A four-edged gear fine milling insert - Google Patents

Abstract

The utility model discloses a four-edged gear fine milling blade, which comprises a second base and a fixing block. The upper end of the fixing block is fixedly connected to the first base, and the lower end is fixedly connected to the second base. The fixing block The left side is provided with a first arc-shaped surface, the right side is provided with a second arc-shaped surface, one side of the first base is provided with a first cutter head, and the upper end of the first base is provided with a third cutter head, so One side of the second base is provided with a second cutter head, and a lower end of the second base is provided with a fourth cutter head. By setting the four cutting edges, the cutting effect of the cutting blade can be more obvious. The cooperation of multiple cutting blades can reduce wear and tear, relatively reduce the size of the cutting force, and improve the impact resistance and toughness of the blade. The fixed block in the middle The spiral shape design, the first arc surface and the second arc surface can better remove the chips when working, and can always maintain high hardness when working continuously, and the cutting is lighter and less prone to damage.

Description

Gear finish milling blade with four cutting edges

Technical Field

The utility model belongs to the technical field of the milling cutter piece, concretely relates to gear finish milling cutter piece of four-edged orifice.

Background

A milling cutter is a rotating tool with one or more cutter teeth for milling. When in work, each cutter tooth cuts off the allowance of the workpiece in turn and intermittently, and the milling cutter is mainly used for processing planes, steps, grooves, forming surfaces, cutting off the workpiece and the like on a milling machine; gear milling cutters generally comprise: the cutter comprises a plurality of blades for finishing gear tooth-shaped finish milling operation and a cutter head (cutter body) for mounting each blade, wherein a plurality of cutter grooves and a plurality of cutter blade seats matched with the blades are arranged on the circumferential surface of the cutter head according to requirements; the cutting edge of the blade is mounted on said blade seat and extends beyond the peripheral surface of the cutterhead, while the outer shape of the cutting edge of the blade is generally provided with cutting tools which are specially designed and shaped in order to match the shape of the tooth groove of the tooth to be machined, such as the tooth groove of a cutting gear, in order to be able to cut the tooth flank of the tooth and reach the tooth groove bottom surface between the teeth at the tooth root of the tooth.

The prior gear finish milling blade technology has the following problems: the gear finish milling blade among the prior art generally sets up two sword edges, and sword edge quantity is less, and the cutting force of blade is great relatively, cuts heavily, and the volume bits effect is poor, and the cutting performance of blade is not ideal enough, and the practicality is poor to the blade is fragile, and work efficiency is low, seriously influences production work.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gear finish milling blade of four blades to the sword blade quantity that proposes in solving above-mentioned background art is less, and the cutting force of blade is great relatively, cuts heavily, and the volume bits effect is poor, and the cutting performance of blade is not ideal enough, and the practicality is poor, and the blade fragile, problem that work efficiency is low.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a gear finish milling blade of four-edge, includes first base, second base and fixed block, the fixed block sets up between first base and second base, the through-hole has been seted up at the fixed block middle part, the first base of fixed block upper end fixed connection, lower extreme fixed connection second base, first arcwall face has been seted up in the fixed block left side, and the second arcwall face has been seted up on the right side, first base one side is provided with first tool bit, and the opposite side is provided with first reserve tool bit, first base upper end is provided with the third tool bit, second base one side is provided with the second tool bit, and the opposite side is provided with the reserve tool bit of second, second base lower extreme is provided with the fourth tool bit.

Preferably, the fixed block is spiral shape, first arcwall face and second arcwall face are central symmetry about through-hole axis midpoint, for the shrink curved surface, first base and second base are central symmetry about through-hole axis midpoint, first tool bit and second tool bit are central symmetry about the through-hole axis.

Preferably, first tool bit, second tool bit, first reserve tool bit and the reserve tool bit of second are right trapezoid table form, and the last bottom surface of right trapezoid table is equipped with the cutting edge.

Preferably, third tool bit and fourth tool bit are isosceles trapezoid table form, the top surface of third tool bit and fourth tool bit is provided with the cutting edge, first arc wall has been seted up in third tool bit left side, and the second arc wall has been seted up on the right side, the third arc wall has been seted up in fourth tool bit left side, and the fourth arc wall has been seted up on the right side.

Compared with the prior art, the utility model provides a gear finish milling blade of four-edged orifice possesses following beneficial effect:

1. the utility model discloses a four cutting knife blade that set up, can make cutting blade's cutting effect more obvious, the cutting performance of blade is more ideal, therefore, the clothes hanger is strong in practicability, a plurality of cutting blade work of mutually supporting can reduce wear, the shock resistance and the toughness of blade have been improved, increase the life of blade, can effectual improvement work efficiency, first reserve tool bit and the reserve tool bit of second can be under the condition that the blade damaged, need not change new tool bit, and working effect is the same, can effectively reduce the use cost of blade, the trapezoidal desk-top design of tool bit can with by the tooth's socket shape phase-match of processing gear, make processing more accurate, efficiency is higher.

2. The utility model discloses the spiral shape design of middle part fixed block makes the cutting more light and fast not fragile through first arcwall face and second arcwall face during operation rotation, through the setting of arcwall face and arc wall, can improve the roll bits chip removal effect of blade, makes the cutting performance of blade keep best, improves the practicality of blade, improves work efficiency.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 is a schematic structural view of a four-edged gear finish-milling cutter blade provided by the present invention;

fig. 2 is a schematic structural view of a front side of a four-edged gear finishing milling insert provided by the present invention;

in the figure: 1. a fourth arc-shaped groove; 2. a second spare cutter head; 3. a second base; 4. a second arcuate surface; 5. a fixed block; 6. a first spare cutter head; 7. a third cutter head; 8. a second arc-shaped slot; 9. a first arc-shaped slot; 10. a first base; 11. a first cutter head; 12. a first arc-shaped surface; 13. a blade; 14. a second cutter head; 15. a third arc-shaped slot; 16. a fourth cutter head; 17. and a through hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a gear finishing milling insert with four cutting edges, which comprises: a gear finish milling blade with four cutting edges comprises a first base 10, a second base 3 and a fixed block 5, wherein the fixed block 5 is arranged between the first base 10 and the second base 3, the middle part of the fixed block 5 is provided with a through hole 17, the through hole 17 is used for fixing a blade, the upper end of the fixed block 5 is fixedly connected with the first base 10, the lower end of the fixed block is fixedly connected with the second base 3, the left side of the fixed block 5 is provided with a first arc-shaped surface 12, the right side of the fixed block is provided with a second arc-shaped surface 4, the cutting is lighter and more difficult to damage through the first arc-shaped surface 12 and the second arc-shaped surface 4 during working and rotating, the chip rolling and chip removal effect of the blade can be improved, the cutting performance of the blade is kept best, the practicability of the blade is improved, one side of the first base 10 is provided with a first tool bit 11, the other side is provided with a first spare tool bit 6, the opposite side is provided with the reserve tool bit 2 of second, 3 lower extremes of second base are provided with fourth tool bit 16, four cutting blade 13 mouths work of mutually supporting, can make cutting blade's cutting effect more obvious, the cutting performance of blade is more ideal, therefore, the clothes hanger is strong in practicability, a plurality of cutting blade work of mutually supporting can reduce wear, relatively reduce the size of cutting force, the shock resistance and the toughness of blade have been improved, the life of blade is increased, can effectual improvement work efficiency, when first tool bit 11 and second tool bit 14 damage, can continue to work with reserve tool bit 2 of first reserve tool bit 6 and second, need not change new tool bit, and work effect is the same, can effectively reduce the use cost of blade.

The fixed block 5 is in a spiral shape, the spiral shape can better discharge chips, the first arc-shaped surface 12 and the second arc-shaped surface 4 are in central symmetry about the central point of the axis of the through hole 17 and are both contraction curved surfaces, the first base 10 and the second base 3 are in central symmetry about the central point of the axis of the through hole 17, the first tool bit 11 and the second tool bit 14 are in central symmetry about the axis of the through hole 17, a plurality of parts are symmetrically arranged, so that the cutting precision is higher, the practicability is higher, and the production and processing efficiency is improved, the first tool bit 11, the second tool bit 14, the first spare tool bit 6 and the second spare tool bit 2 are in a right trapezoid table shape, the upper bottom surface of the right trapezoid table is provided with the cutting edge 13, the third tool bit 7 and the fourth tool bit 16 are in an isosceles trapezoid table shape, the trapezoid table design of the tool bits can be matched with the shape of the tooth groove of the processed gear, so that the processing is more precise and the processing, first arc 9 has been seted up in third tool bit 7 left side, and second arc 8 has been seted up on the right side, and third arc 15 has been seted up in fourth tool bit 16 left side, and fourth arc 1 has been seted up on the right side, can improve the roll bits chip removal effect of blade, makes the cutting performance of blade keep best, improves the practicality of blade, improves work efficiency.

The utility model discloses a theory of operation and use flow: through-hole 17 fixed mounting blade, the first tool bit 11 of during operation, the second tool bit 14, third tool bit 7 and fourth tool bit 16 cooperate each other and cut, can reduce wear, the shock resistance and the toughness of blade have been improved, increase the life of blade, can effectual improvement work efficiency, when first tool bit 11 and second tool bit 14 damage, can continue work with first reserve tool bit 6 and the reserve tool bit 2 of second, the first arcwall 12 and the second arcwall 4 on during operation fixed block 5 surface can improve the volume bits chip removal effect of blade, reinforcing chip removal efficiency, make the cutting performance of blade keep the best, improve the practicality of blade, the trapezoidal desk-top design of tool bit can with by the groove shape phase-match of processing gear, make processing more accurate, efficiency is higher.

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.

Claims (4)

1. The utility model provides a gear finish milling blade of four-edge mouth, includes first base (10), second base (3) and fixed block (5), its characterized in that: fixed block (5) set up between first base (10) and second base (3), through-hole (17) have been seted up at fixed block (5) middle part, fixed block (5) upper end fixed connection first base (10), lower extreme fixed connection second base (3), first arcwall face (12) have been seted up in fixed block (5) left side, second arcwall face (4) have been seted up on the right side, first base (10) one side is provided with first tool bit (11), and the opposite side is provided with first reserve tool bit (6), first base (10) upper end is provided with third tool bit (7), second base (3) one side is provided with second tool bit (14), and the opposite side is provided with reserve tool bit (2) of second, second base (3) lower extreme is provided with fourth tool bit (16).

2. A four-edged gear finishing milling insert as defined in claim 1, wherein: fixed block (5) are the helical shape, first arcwall face (12) and second arcwall face (4) are central symmetry about through-hole (17) axis midpoint to all be the shrink curved surface, first base (10) and second base (3) are central symmetry about through-hole (17) axis midpoint, first tool bit (11) and second tool bit (14) are central symmetry about through-hole (17) axis.

3. A four-edged gear finishing milling insert as defined in claim 1, wherein: first tool bit (11), second tool bit (14), first reserve tool bit (6) and the reserve tool bit of second (2) are right trapezoid platform form, and the last bottom surface of right trapezoid platform is equipped with cutting edge (13).

4. A four-edged gear finishing milling insert as defined in claim 1, wherein: third tool bit (7) and fourth tool bit (16) are isosceles trapezoid table form, the top surface of third tool bit (7) and fourth tool bit (16) is provided with cutting edge (13), first arc wall (9) have been seted up on third tool bit (7) left side, and second arc wall (8) have been seted up on the right side, third arc wall (15) have been seted up on fourth tool bit (16) left side, and fourth arc wall (1) have been seted up on the right side.

Images