CN220921022U - Milling cutter with adjustable distance - Google Patents

Abstract

The utility model relates to a milling cutter with adjustable distance, which aims to solve the technical problems of poor precision and high replacement cost caused by current abrasion.

Description

Milling cutter with adjustable distance

Technical Field

The utility model relates to the technical field of machining, in particular to a milling cutter with adjustable distance.

Background

Milling tools are rotary tools for milling machining having one or more cutter teeth. When in operation, each cutter tooth cuts off the allowance of the workpiece intermittently in sequence. Milling cutters are mainly used for machining planes, steps, grooves, forming surfaces, cutting workpieces, etc. on milling machines. Cutting teeth are arranged on two sides of the end mill; thus, such tools can be used very successfully in a variety of drilling operations.

End mill materials are classified into high-speed steels and cemented carbides. The latter has high hardness, strong cutting force, high rotation speed and feeding rate, high productivity, unobvious cutter relieving, high cost, easy cutter breaking under the condition of rapid alternation of cutting force, different front angle blade shapes required in different cutting environments, waste of one-time use after abrasion of the milling cutter, and increased cost. In view of the fact that the milling cutter is usually of a fixed length and cannot process the position of the workpiece at a specific processing angle, a milling cutter with adjustable distance is proposed.

Disclosure of utility model

The utility model aims to overcome the defects of the prior art, adapt to the actual needs, and provide a milling cutter with adjustable distance so as to solve the technical problems of resource waste and cost increase caused by the current milling cutters with different lengths and materials.

In order to achieve the purpose of the utility model, the technical scheme adopted by the utility model is as follows: the utility model provides a milling cutter of adjustable distance, includes the milling cutter arbor, the milling cutter arbor top is equipped with the milling cutter body, the milling cutter arbor bottom is equipped with adjustment mechanism, the cell body has been seted up to the milling cutter arbor bottom, a plurality of through-holes A have been seted up on the cell body, the milling cutter body surface is equipped with a plurality of milling cutter pieces, the screw hole has been seted up on the milling cutter body top, threaded connection has the threaded rod on the screw hole, the threaded rod top is equipped with the blade subassembly.

Preferably, the adjusting mechanism comprises a sleeve, a plurality of through holes B, a limiting rod and a limiting block, wherein the sleeve is movably sleeved on the milling cutter rod, the through holes B are formed in the positions, corresponding to the through holes A, on the sleeve, the limiting rod movably penetrates through the through holes B and the through holes A, and the limiting block is arranged at the position, extending out of the through holes B, of the limiting rod.

Preferably, the plurality of milling blades are spirally arranged on the surface of the milling cutter body, and spiral cavities are arranged among the plurality of milling blades.

Preferably, the blade assembly includes a plurality of milling heads having a trapezoidal shape, the milling heads being connected to the milling blades, the milling heads having the same cross-sectional shape as the milling blades.

Preferably, the milling heads are arranged by taking the threaded rod as a circle center polar axis, and a plurality of chip discharging cavities are arranged among the milling heads.

Preferably, the chip-discharging chamber communicates with the spiral chamber.

Compared with the prior art, the utility model has the beneficial effects that:

1. According to the utility model, the structure of the existing milling cutter is improved, the groove body is arranged at the bottom end of the milling cutter, the plurality of through holes A are formed in the groove body, the adjusting mechanism is arranged at the bottom end of the milling cutter rod, the sleeve of the adjusting mechanism is sleeved at the bottom end of the milling cutter rod, the limiting rod and the limiting block are used for penetrating through the through holes A and the through holes B, so that the length of the milling cutter is increased by adjusting the limiting rod and the limiting block according to different requirements, the threaded rod is arranged at the bottom end of the blade assembly, and the threaded rod is in threaded connection with the threaded hole formed in the top end of the milling cutter body, so that the purpose that a plurality of milling cutters with different lengths and materials are needed only needs to be replaced is achieved, the cost is saved, and the resource waste is avoided.

2. According to the utility model, the spiral cavity formed by the milling blades is communicated with the chip outlet cavity formed between the milling head at the top end, so that chips generated by the milling cutter during workpiece processing are discharged from the spiral cavity and the chip outlet cavity, and the phenomenon that the surface texture is rough due to poor workpiece processing technology caused by the fact that the chips cannot be normally discharged is prevented.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of the front structure of the present utility model;

FIG. 3 is a schematic view of a split structure of the present utility model;

FIG. 4 is a schematic view of a blade assembly according to the present utility model;

In the figure: 1. a milling cutter bar; 2. a milling cutter body; 3. an adjusting mechanism; 4. a tank body; 5. a through hole A; 6. a milling blade; 7. a threaded hole; 8. a threaded rod; 9. a blade assembly;

301. a sleeve; 302. a through hole B; 303. a limit rod; 304. a limiting block;

601. A spiral cavity;

901. a milling head; 902. and discharging the scraps.

Detailed Description

The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:

Examples: the utility model provides a milling cutter of adjustable distance, see fig. 1 through 4, including milling cutter arbor 1, milling cutter arbor 1 top is equipped with milling cutter body 2, and milling cutter arbor 1 bottom is equipped with adjustment mechanism 3, and milling cutter arbor 1 bottom has been seted up cell body 4, has seted up a plurality of through-holes A5 on the cell body 4, and milling cutter body 2 surface is equipped with a plurality of milling cutter pieces 6, and milling cutter body 2 top has seted up screw hole 7, and threaded connection has threaded rod 8 on the screw hole 7, and threaded rod 8 top is equipped with blade subassembly 9. According to the utility model, the structure of the existing milling cutter is improved, the groove body 4 is arranged at the bottom end of the milling cutter, the plurality of through holes A5 are formed in the groove body 4, the adjusting mechanism 3 is arranged at the bottom end of the milling cutter rod 1, the sleeve 301 of the adjusting mechanism 3 is sleeved at the bottom end of the milling cutter rod 1, the limiting rod 303 and the limiting block 304 are used for penetrating through the through holes A5 and the through holes B302, the length of the milling cutter is increased by adjusting the limiting rod 303 and the limiting block 304 according to different requirements, the threaded rod 8 is arranged at the bottom end of the blade assembly 9, and the threaded rod 8 is in threaded connection with the threaded hole 7 formed at the top end of the milling cutter body 2, so that the purpose that the milling cutter with different materials can be processed only by replacing the blade assembly 9 with corresponding hardness is achieved, the need of milling cutters with different lengths and materials is avoided, the cost is saved, and the resource waste is avoided.

Specifically, as shown in fig. 3, the adjusting mechanism 3 includes a sleeve 301, a plurality of through holes B302, a limiting rod 303 and a limiting block 304, the sleeve 301 is movably sleeved on the milling cutter rod 1, the plurality of through holes B302 are formed on the sleeve 301 at positions corresponding to the plurality of through holes A5, the limiting rod 303 is movably arranged on the through holes B302 and A5, and the limiting block 304 is arranged at a position where the limiting rod 303 extends out of the through holes B302. In the utility model, when the length of the adjusting mechanism 3 needs to be adjusted, the limiting block 304 is pinched first to pull out the limiting rod 303 from the through hole B302 and the through hole A5, the through hole B302 and the through hole A5 on the sleeve 301 are adjusted to the proper length in a dislocation manner, and then the limiting rod 303 is inserted into the through hole B302 and the through hole A5 to be locked and limited by the limiting block 304, so that the length can be freely adjusted, the need of milling cutters with different lengths is avoided, and the replacement is complex.

Further, referring to fig. 1 and 2, a plurality of milling blades 6 are spirally disposed on the surface of the milling cutter body 2, and a spiral cavity 601 is disposed between the plurality of milling blades 6. In the utility model, a plurality of milling blades 6 are spirally arranged on the surface of the milling cutter body 2, a plurality of groups of spiral cavities 601 are formed among the plurality of rows of milling blades 6, and when the milling cutter cuts, fragments cut by the milling blades 6 are reasonably broken by the spiral cavities 601, so that the situation that the cutting effect is poor due to excessive accumulation of fragments in the cutting process is prevented.

Still further, as shown in fig. 1 and 4, blade assembly 9 includes a plurality of milling heads 901 having a trapezoidal shape, milling heads 901 being connected to milling blades 6, milling heads 901 having the same cross-sectional shape as milling blades 6. In the utility model, the milling head 901 can be replaced according to the material of the cutting material so as to adapt to the material of the milling cutter with different hardness required by the material with different materials, and the whole replacement of the milling cutter is avoided.

It should be noted that, as shown in fig. 4, a plurality of milling heads 901 are arranged with the threaded rod 8 as a center polar axis, and a plurality of chip discharging cavities 902 are arranged between the plurality of milling heads 901. In the utility model, the milling heads 901 are provided with a plurality of groups by taking the threaded rod 8 as the circle center polar axis, and the chip outlet cavities 902 formed among the milling heads 901 are communicated with the spiral cavities 601 formed by the milling heads 6, so that the subsequent smooth cutting is facilitated.

Notably, referring to fig. 1 and 2, the chip chamber 902 communicates with the spiral chamber 601. According to the utility model, the spiral cavity 601 formed by the milling blades 6 is communicated with the chip outlet cavity 902 formed between the top milling head 901, so that chips generated by the milling cutter during workpiece processing are discharged from the spiral cavity 601 and the chip outlet cavity 902, and the phenomenon that the processing technology of the workpiece is poor and the surface texture is rough due to the fact that the chips cannot be normally discharged is prevented.

Working principle: when the milling cutter is used, firstly, the limiting block 304 is pinched firstly to pull out the limiting rod 303 from the through hole B302 and the through hole A5, the through hole B302 and the through hole A5 on the sleeve 301 are staggered and adjusted to the proper length positions, then the limiting rod 303 is inserted into the through hole B302 and the through hole A5 to lock and limit by using the limiting block 304, so that the length can be freely adjusted, the milling cutter with different lengths is avoided, the milling cutter is more complicated to replace, secondly, the groove body 4 is arranged at the bottom end of the milling cutter, a plurality of through holes A5 are arranged on the groove body 4, the adjusting mechanism 3 is arranged at the bottom end of the milling cutter rod 1, the sleeve 301 of the adjusting mechanism 3 is sleeved at the bottom end of the milling cutter rod 1, the limiting rod 303 and the limiting block 304 are sleeved on the through hole A5 and the through hole B302, the length of the milling cutter is increased by adjusting the limiting rod 303 and the limiting block 304 according to different requirements, the bottom end of the blade component 9 is also provided with the threaded rod 8, and the threaded rod 7 arranged at the top end of the milling cutter body 2 is connected by the threaded rod 8, the work piece with the corresponding hardness of the milling cutter is avoided, the milling cutter component 9 is only to be replaced, the work piece with different lengths and the material is not wasted due to the fact that the milling cutter is easy to rotate in the spiral blade rotation direction. The milling cutter blades 6 are arranged on the surface of the milling cutter body 2 in a spiral mode, a plurality of groups of spiral cavities 601 are formed among the milling cutter blades 6 in a spiral mode, when the milling cutter cuts, scraps cut off by the milling cutter blades 6 are reasonably broken by the spiral cavities 601, scraps cavities 902 formed among the spiral cavities 601 formed by the milling cutter blades 6 and the top milling cutter head 901 are communicated, scraps produced by the milling cutter during workpiece machining are discharged through the spiral cavities 601 and the scraps cavities 902, and the phenomenon that workpieces are poor in machining process and rough in surface textures caused by abnormal discharge of scraps is prevented.

The embodiments of the present utility model are disclosed as preferred embodiments, but not limited thereto, and those skilled in the art will readily appreciate from the foregoing description that various modifications and variations can be made without departing from the spirit of the present utility model.

Claims (6)

1. The utility model provides a milling cutter of adjustable distance, its characterized in that, including milling cutter arbor (1), milling cutter arbor (1) top is equipped with milling cutter body (2), milling cutter arbor (1) bottom is equipped with adjustment mechanism (3), cell body (4) have been seted up to milling cutter arbor (1) bottom, a plurality of through-holes A (5) have been seted up on cell body (4), milling cutter body (2) surface is equipped with a plurality of milling cutter pieces (6), threaded hole (7) have been seted up on milling cutter body (2) top, threaded connection has threaded rod (8) on threaded hole (7), threaded rod (8) top is equipped with blade subassembly (9).

2. The milling cutter with adjustable distance according to claim 1, wherein the adjusting mechanism (3) comprises a sleeve (301), a plurality of through holes B (302), a limiting rod (303) and a limiting block (304), the sleeve (301) is movably sleeved on the milling cutter rod (1), the plurality of through holes B (302) are arranged on the sleeve (301) at positions corresponding to the plurality of through holes a (5), the limiting rod (303) is movably arranged on the through holes B (302) and the through holes a (5) in a penetrating mode, and the limiting block (304) is arranged at positions, extending out of the through holes B (302), of the limiting rod (303).

3. The adjustable milling cutter according to claim 1, wherein a plurality of milling blades (6) are arranged on the surface of the milling cutter body (2) in a spiral shape, and a spiral cavity (601) is arranged between the plurality of milling blades (6).

4. A milling cutter according to claim 3, wherein the blade assembly (9) comprises a number of milling heads (901) having a trapezoid shape, the milling heads (901) being connected to the milling blade (6), the milling heads (901) having the same cross-sectional shape as the milling blade (6).

5. The adjustable milling cutter according to claim 4, wherein a number of milling heads (901) are arranged with the threaded rod (8) as a central polar axis, and a number of chip outlets (902) are arranged between the milling heads (901).

6. The adjustable milling cutter according to claim 5, wherein the chip-discharging cavity (902) communicates with the helical cavity (601).