CN216575748U - High-precision ball milling cutter with chip breaker groove - Google Patents

Abstract

The utility model relates to a technical field of milling machine processing cutter especially relates to a high accuracy ball milling cutter with chip-breaker, including cutter, axle sleeve and installation lid, cutter demountable installation be in the axle sleeve, the cutter is equipped with chip-breaker and spherical, the axle sleeve outer wall is equipped with the side clamp face of inside concave yield, the axle sleeve sets up the through hole, the cutter is equipped with and runs through the connecting axle of through hole. The utility model discloses at big surplus, improved machining efficiency in the thick processing of cutting greatly, increased the blade wearability, provide the cutter that sets up demountable installation in the axle sleeve, can conveniently change the cutter of damage to cutter life has been increased.

Description

High-precision ball milling cutter with chip breaker groove

Technical Field

The utility model relates to a milling machine processing cutter's technical field especially relates to a high accuracy ball milling cutter with chip-breaker groove.

Background

The existing milling cutter for milling the taper hole and the deep hole with the taper can mill die steel, cast iron, carbon steel, alloy steel, tool steel and general iron materials, has the defects that cutting chips are difficult to discharge and too large in vibration when in cutting processing, and the cutting chips can reduce the cutting performance capability of the milling cutter after being accumulated for a long time, and the cutting load and the vibration of the milling cutter are reduced, so that the milling efficiency is reduced;

the ball-end cutter is a cutter with a cutting edge similar to a ball head and assembled on a milling machine for milling various curved surfaces and arc grooves. The ball end mill is also called R cutter, can mill die steel, cast iron, carbon steel, alloy steel, tool steel and general iron materials, and belongs to an end mill. The ball end mill can normally work in high temperature environment, the double-edge taper ball end mill is provided with two double-edge blades spirally coiled on a milling cutter rod of the ball end mill, and the milling cutter rod is of a cone structure

For example, application numbers are: 201410371116.6, a technical field of cutter, in particular to a two-edge taper ball end milling cutter, which comprises a cutter head and a cutter handle, it is characterized in that the upper end of the knife handle is provided with an annular groove and a rectangular groove, the annular groove is communicated with the rectangular groove, the knife head is conical, the bottom of the sphere is provided with a positioning groove, the sphere is provided with two cutting edges, the cutting edges spirally face upwards along with the surface of the cone, spiral chip grooves are arranged below the cutting edges, the spiral chip grooves are provided with clear edges, the clear edges are provided with convex ridges, the anti-interference step is arranged between the tool bit and the tool handle and is conical, the dovetail transition part is arranged between the anti-interference step and the spiral chip removal groove, and the tool bit is coated with the silicon coating;

in view of the above technical solutions, the inventor believes that the device is not convenient for replacing a damaged tool in actual use, and has a certain influence on subsequent processing.

SUMMERY OF THE UTILITY MODEL

To the technical problem, the utility model provides a pair of high accuracy ball milling cutter with chip breaker groove to the inconvenient problem of changing after damaging appears in the cutter that exists among the solution prior art, has avoided influencing the condition emergence of follow-up processing.

In order to achieve the above purpose, the utility model adopts the technical proposal that:

the utility model provides a pair of high accuracy ball milling cutter with chip-breaker groove, including cutter, axle sleeve and installation lid, cutter demountable installation is in the axle sleeve, the cutter is equipped with chip-breaker groove and spherical, the axle sleeve outer wall is equipped with the side clamping face of inside concave yield, the axle sleeve sets up the through hole, the cutter is equipped with and runs through the connecting axle of through hole.

By adopting the technical scheme, the processing efficiency is improved in large allowance and large cutting thickness processing, the abrasion resistance of the cutting edge is increased, the cutter which is detachably arranged in the shaft sleeve is provided, and the damaged cutter can be conveniently replaced, so that the service life of the cutter is prolonged.

Preferably, the shaft sleeve is provided with a plurality of limiting holes which surround the through hole and are communicated with the through hole.

By adopting the technical scheme, the cutter can be limited by arranging the limiting hole communicated with the through hole.

Preferably, the outer wall of the connecting shaft is provided with a plurality of limiting blocks matched with the limiting holes.

By adopting the technical scheme, the plurality of limiting blocks matched with the limiting holes are arranged on the outer wall of the connecting shaft, so that the rotation of the cutter can be limited, and the cutter is prevented from being transmitted by itself.

Preferably, the outer wall of the connecting shaft is provided with a plurality of limiting grooves recessed inwards.

By adopting the technical scheme, the cutter can be limited by arranging the limiting groove, and the cutter is prevented from sliding off.

Preferably, the left end face of the mounting cover is provided with a mounting groove for mounting the connecting shaft, the outer wall of the mounting cover is provided with a plurality of spring limiting grooves, and spring pull rods are arranged in the spring limiting grooves.

By adopting the technical scheme, the spring pull rod is arranged in the spring limiting groove, so that the spring pull rod can be limited to slide in the spring limiting groove.

Preferably, the spring limiting groove is communicated with a sliding groove, one end of the spring pull rod extending into the sliding groove is provided with a limiting clamping piece, and the limiting clamping piece is movably connected with the limiting groove.

By adopting the technical scheme, the connecting shaft can be limited by arranging the limiting clamping piece movably connected with the limiting groove.

Preferably, one end of the spring pull rod, which is far away from the limiting clamping piece, is provided with a pull ring.

By adopting the technical scheme, the pull ring is arranged at one end, far away from the spring clamping piece, of the spring pull rod, so that the spring pull rod can be conveniently pulled, and the cover can be conveniently assembled and disassembled.

Preferably, the end face of the limiting clamping piece contacting with the limiting groove is an inclined plane.

By adopting the technical scheme, the cutter can be conveniently installed by taking the end face of the limiting clamping piece in contact with the limiting groove as the inclined plane.

The technical scheme has the following advantages or beneficial effects:

1. the utility model discloses at big surplus, improved machining efficiency in cutting thick processing greatly, increased the blade wearability, prolonged the life of cutter.

2. The utility model discloses a set up demountable installation's cutter in the through hole of connecting axle, can conveniently change the cutter of damage, avoid influencing subsequent processing.

3. The utility model discloses a set up a plurality of spacing holes that encircle the through hole and be linked together with the through hole at the axle sleeve, through set up a plurality of stoppers that agree with mutually with spacing hole at the connecting axle outer wall, can restrict the cutter, avoid adding man-hour, the condition emergence that self-transmission appears in the cutter.

Drawings

The invention and its features, aspects and advantages will become more apparent from reading the following detailed description of non-limiting embodiments with reference to the attached drawings. Like reference symbols in the various drawings indicate like elements. The drawings are not intended to be drawn to scale, emphasis instead being placed upon illustrating the principles of the invention.

Fig. 1 is a schematic structural diagram of the whole provided in embodiment 1 of the present invention;

fig. 2 is a schematic structural diagram of the whole interior provided in embodiment 1 of the present invention;

fig. 3 is an enlarged schematic structural diagram of a provided in embodiment 1 of the present invention;

fig. 4 is a sectional view of a connecting shaft and a through-hole provided in embodiment 1 of the present invention.

In the figure: 1. a cutter; 11. a chip breaker groove; 12. spherical; 13. a connecting shaft; 131. a limiting block; 132. a limiting groove; 2. a shaft sleeve; 21. a side clamping surface; 22. a through hole; 23. a limiting hole; 3. installing a cover; 31. mounting grooves; 32. a spring restraining groove; 321. a spring pull rod; 322. a pull ring; 33. a chute; 34. and a limiting clamping piece.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application.

It will be understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

As the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, their indicated orientation or positional relationship is based on that shown in the drawings, merely for convenience in describing the invention and simplifying the description, and does not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

The terms "first," "second," and "third," if any, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The technical solutions in the embodiments of the present invention are described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1:

as shown in fig. 1-4, the embodiment 1 of the utility model provides a high accuracy ball milling cutter with chip breaker, including cutter 1, axle sleeve 2 and installation lid 3, its characterized in that, cutter 1 demountable installation be in axle sleeve 2, cutter 1 is equipped with chip breaker 11 and spherical 12, 2 outer walls of axle sleeve are equipped with the side clamping face 21 of inside concave yield, axle sleeve 2 sets up through hole 22, cutter 1 is equipped with the connection axle 13 that runs through hole 22.

As shown in fig. 2 and 4, the shaft sleeve 2 is provided with a plurality of limiting holes 23 surrounding the through holes 22 and communicating with the through holes 22, the outer wall of the connecting shaft 13 is provided with a plurality of limiting blocks 131 fitting with the limiting holes 23, and the outer wall of the connecting shaft 13 is provided with a plurality of limiting grooves 132 recessed inwards.

As shown in fig. 2 and 3, a mounting groove 31 for mounting the connecting shaft 13 is formed in the left end surface of the mounting cover 3, a plurality of spring limiting grooves 32 are formed in the outer wall of the mounting cover 3, spring pull rods 321 are arranged in the spring limiting grooves 32, the spring limiting grooves 32 are communicated with sliding grooves 33, limiting clamping pieces 34 are arranged at one ends, extending into the sliding grooves 33, of the spring pull rods 321, the limiting clamping pieces 34 are movably connected with the limiting grooves 132, pull rings 322 are arranged at one ends, far away from the limiting clamping pieces 34, of the spring pull rods 321, and the end surfaces, contacting with the limiting grooves 132, of the limiting clamping pieces 34 are inclined planes.

To sum up, the utility model provides a pair of high accuracy ball milling cutter with chip breaker's embodiment does:

install this equipment on the lathe that needs to use, process, at the big surplus of processing, machining efficiency has been improved in cutting thick greatly, the blade wearability has been increased, the life of cutter 1 has been prolonged, when cutter 1 in use appears damaging, upwards stimulate pull ring 322, pull ring 322 drives spring pull rod 321, spring pull rod 321 drives spacing fastener 34 rebound, make spacing fastener 34 unload from spacing groove 132, remove the restriction to connecting axle 13, lift connecting axle 13 of cutter 1 off from the through hole 22 of axle sleeve 2, change damaged cutter 1, install the cutter 1 of changing back to original position, accomplish work.

The above only is the preferred embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the patent protection scope of the present invention.

Claims (8)

1. The utility model provides a high accuracy ball milling cutter with chip breaker, includes cutter (1), axle sleeve (2) and installation lid (3), its characterized in that, cutter (1) demountable installation in axle sleeve (2), cutter (1) is equipped with chip breaker (11) and spherical (12), axle sleeve (2) outer wall is equipped with side clamping face (21) of inside recess, axle sleeve (2) set up through hole (22), cutter (1) is equipped with and runs through connecting axle (13) of through hole (22).

2. A high precision ball milling cutter with chip breaker according to claim 1, characterized in that the sleeve (2) is provided with a plurality of limiting holes (23) surrounding the through hole (22) and communicating with the through hole (22).

3. A high-precision ball milling cutter with chip breaker according to claim 2, characterized in that the outer wall of the connecting shaft (13) is provided with a plurality of stopper blocks (131) engaged with the stopper holes (23).

4. A high precision ball milling cutter with chip breaker according to claim 3, characterized in that the outer wall of the connecting shaft (13) is provided with a plurality of inwardly recessed limiting grooves (132).

5. A high precision ball milling cutter with chip breaker according to claim 4 characterized in that the left end face of the mounting cover (3) is provided with a mounting groove (31) for mounting the connecting shaft (13), the outer wall of the mounting cover (3) is provided with a plurality of spring limiting grooves (32), and spring pull rods (321) are arranged in the spring limiting grooves (32).

6. The high-precision ball milling cutter with the chip breaker groove as claimed in claim 5, wherein the spring limiting groove (32) is communicated with a sliding groove (33), one end of the spring pull rod (321) extending into the sliding groove (33) is provided with a limiting clamping piece (34), and the limiting clamping piece (34) is movably connected with the limiting groove (132).

7. A high precision ball milling cutter with chip breaker according to claim 6 characterized in that the end of the spring pull rod (321) remote from the limit catch (34) is provided with a pull ring (322).

8. A high precision ball milling cutter with chip breaker according to claim 7 characterized in that the end face of the limit escapement (34) contacting the limit groove (132) is a slope.

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