CN216881911U

CN216881911U - Combined aluminum three-blade lengthened alloy rough milling cutter

Info

Publication number: CN216881911U
Application number: CN202122770400.9U
Authority: CN
Inventors: 陈梅; 恽银平; 顾云星
Original assignee: Changzhou Keliyuan Tools Co ltd
Current assignee: Changzhou Keliyuan Tools Co ltd
Priority date: 2021-11-12
Filing date: 2021-11-12
Publication date: 2022-07-05
Anticipated expiration: 2031-11-12

Abstract

The utility model discloses a combined aluminum three-blade lengthened alloy rough milling cutter which comprises a cutter body, a cutter handle, a lengthening rod and a cutter holder. The utility model has the beneficial effects that: the cutter body adopts high wear-resisting carbide material, can improve cutter body intensity, the cutter body is three sword crew cut structure, be convenient for quick carry out rough machining to aluminium product, improve work piece shaping efficiency, cutter body surface distribution has continuous heliciform chip groove, be convenient for in time discharge the bits, avoid the waste material to pile up the wearing and tearing that increase cutter at the during operation, the handle of a knife external diameter is less than the cutter body external diameter, extension bar external diameter is unanimous with the handle of a knife external diameter, can increase the whole length of cutter, and then can carry out the degree of depth to aluminium product and mill the cutting, extension bar and handle of a knife are detachable connection through passing counter bore and four cross bolts of threaded connection on the connecting seat, be convenient for assemble or dismantle, positioning groove has evenly seted up six at the blade holder edge, be convenient for stabilize the clamping cutter, avoid the cutter not hard up influence machining precision.

Description

Combined aluminum three-blade lengthened alloy rough milling cutter

Technical Field

The utility model relates to a milling cutter, in particular to a combined aluminum three-blade lengthened alloy rough milling cutter, and belongs to the technical field of machining cutters.

Background

Aluminum, a chemical element whose chemical symbol is AL and whose atomic number is 13, is second only to oxygen and silicon in the earth's crust and third, is the most abundant metal element in the earth's crust, in the metal varieties, second to steel, the second largest metal, and by the end of the 19 th century, aluminum is completely exposed at the corner and becomes a competitive metal in engineering application, and the development of three important industries of aviation, building and automobile requires the material characteristics to have the unique properties of aluminum and the alloy thereof, which is greatly beneficial to the production and application of the new metal aluminum, the application of the aluminum is extremely wide, when an aluminum product is machined, the technological requirements cannot be met by one-time milling, so that in order to finally ensure the smoothness of a part, a milling cutter is often used for pre-milling the workpiece, and most blank allowance on the surface of the workpiece can be removed.

The existing milling cutter has a simpler structure:

1) the existing milling cutter is made of common steel, has low hardness and poor wear resistance, often cannot roughly mill certain aluminum alloy products with higher hardness, and has a limited application range, meanwhile, a chip removing groove is not formed in the surface of a cutter body, and cutting waste materials are difficult to discharge in time during the working period of the cutter, so that the waste materials are accumulated, and further the abrasion of the cutter is increased;

2) traditional milling cutter's cutter arbor is shorter, when using, can not carry out degree of depth milling to the work piece according to actual processing demand, has certain limitation, and the cutter arbor that uses simultaneously is fixed through the welding with the handle of a knife, though firm in connection, nevertheless not convenient for later stage tear open and trade and maintain.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provide a combined aluminum three-edge lengthened alloy rough milling cutter.

The utility model realizes the purpose through the following technical scheme: a combined aluminum three-blade lengthened alloy rough milling cutter comprises

The cutter body is positioned at the front end of the milling cutter, and can mill an aluminum product; the cutter handle is arranged at the rear end of the cutter body and is in an integrated structure with the cutter body; and

the center of one end face of the extension bar is fixedly welded with a square connecting seat, and the extension bar is fixedly arranged in a square groove at the tail end of the cutter handle through the connecting seat, so that the overall length of the cutter can be increased; and

and the cutter holder is used for stably clamping the milling cutter on the milling machine and is welded and fixed at the other end of the lengthening rod.

As a still further scheme of the utility model: the cutter body is made of high-wear-resistance hard alloy materials.

As a still further scheme of the utility model: the cutter body terminal surface evenly distributed has three preceding sword, the cutter body surface is equipped with the side sword, and the cutter body is three sword crew cut structure.

As a still further scheme of the utility model: the surface of the cutter body is distributed with continuous spiral chip removing grooves.

As a still further scheme of the utility model: the outer diameter of the knife handle is smaller than that of the knife body, and the outer diameter of the extension bar is consistent with that of the knife handle.

As a still further scheme of the utility model: four counter bores have evenly been seted up on the handle of a knife surface, extension bar's connecting seat is inserted in the square inslot of handle of a knife tail end, and extension bar and handle of a knife are detachable connection through passing four cross bolts of counter bore and threaded connection on the connecting seat.

As a still further scheme of the utility model: the center of the outer end face of the cutter holder is provided with a mounting hole, and six positioning grooves are uniformly distributed on the edge of the mounting hole.

The utility model has the beneficial effects that:

1) the cutter body is made of high-wear-resistant hard alloy materials, the strength of the cutter body can be improved, so that an aluminum product can be efficiently and stably milled, the cutter body is of a three-blade flat-head structure, the aluminum product can be conveniently and quickly roughly machined, the forming efficiency of a workpiece is improved, continuous spiral chip-removing grooves are distributed on the surface of the cutter body, chips can be conveniently and timely discharged, and waste materials are prevented from being accumulated to increase the abrasion of the cutter during working;

2) the outer diameter of the cutter handle is smaller than that of the cutter body, the outer diameter of the extension bar is consistent with that of the cutter handle, the overall length of the cutter can be increased, and further, deep milling can be performed on aluminum products, the extension bar and the cutter handle are detachably connected through four cross bolts which penetrate through counter bores and are in threaded connection with the connecting seat, assembly or disassembly is facilitated, meanwhile, the connecting position is firmer, and looseness caused by long-time use is avoided;

3) six positioning grooves are uniformly formed in the edge of the tool apron, so that the tool is convenient to clamp stably, and the machining precision is prevented from being influenced by looseness of the tool.

Drawings

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

FIG. 2 is a top end view of the milling cutter of the present invention;

FIG. 3 is a sectional view of the connecting structure of the knife handle and the extension bar of the present invention;

FIG. 4 is a schematic view of a tool holder according to the present invention.

In the figure: 1. the cutter body, 2, the front blade, 3, the side blade, 4, the chip groove, 5, the handle of a knife, 6, the counter bore, 7, the extension bar, 8, the connecting seat, 9, the cross bolt, 10, the blade holder, 11, mounting hole and 12, positioning 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.

Example one

Referring to FIGS. 1 to 4, a combined aluminum three-blade lengthened alloy roughing milling cutter comprises

The cutter body 1, the said cutter body 1 that can mill the aluminium product locates at the front end of the milling cutter; and

the cutter handle 5 is arranged at the rear end of the cutter body 1 and is in an integrated structure with the cutter body 1; and

the center of one end face of the extension bar 7 is fixedly welded with a square connecting seat 8, and the extension bar is fixedly arranged in a square groove at the tail end of the cutter handle 5 through the connecting seat 8, so that the overall length of the cutter can be increased; and

and the cutter holder 10 is used for welding and fixing the cutter holder 10 which is used for stably clamping the milling cutter on the milling machine at the other end of the extension bar 7.

In the embodiment of the utility model, the cutter body 1 is made of high-wear-resistance hard alloy materials, so that the strength of the cutter body 1 can be improved, and an aluminum product can be efficiently and stably milled.

In the embodiment of the utility model, three front blades 2 are uniformly distributed on the end surface of the cutter body 1, the side blades 3 are arranged on the surface of the cutter body 1, and the cutter body 1 is of a three-blade flat-head structure, so that the rough machining of an aluminum product is conveniently and rapidly carried out, and the workpiece forming efficiency is improved.

In the embodiment of the utility model, the continuous spiral chip-removing grooves 4 are distributed on the surface of the cutter body 1, so that chips can be discharged in time, and the phenomenon that the abrasion of the cutter is increased due to the accumulation of waste materials during working is avoided.

Example two

Referring to FIGS. 1 to 4, a combined aluminum three-blade lengthened alloy rough milling cutter comprises

the center of one end face of the extension bar 7 is fixedly welded with a square connecting seat 8, and the extension bar is fixedly arranged in a square groove at the tail end of the knife handle 5 through the connecting seat 8, so that the overall length of the knife can be increased; and

In the embodiment of the utility model, the outer diameter of the cutter handle 5 is smaller than that of the cutter body 1, and the outer diameter of the extension bar 7 is consistent with that of the cutter handle 5, so that the overall length of the cutter can be increased, and further, deep milling can be carried out on an aluminum product.

In the embodiment of the utility model, four counter bores 6 are uniformly formed in the surface of the knife handle 5, the connecting seat 8 of the extension bar 7 is inserted into the square groove at the tail end of the knife handle 5, and the extension bar 7 and the knife handle 5 are detachably connected through four cross bolts 9 which penetrate through the counter bores 6 and are in threaded connection with the connecting seat 8, so that the assembly or disassembly is convenient, the connection part is firmer, and the looseness caused by long-time use is avoided.

In the embodiment of the utility model, the center of the outer end face of the tool apron 10 is provided with the mounting hole 11, and six positioning grooves 12 are uniformly distributed on the edge of the mounting hole 11, so that the tool is conveniently and stably clamped, and the influence of tool looseness on the machining precision is avoided.

The working principle is as follows: when the combined aluminum three-blade lengthened alloy rough milling cutter is used, firstly, the square connecting seat 8 at one end of the lengthening rod 7 is inserted into the square groove at the tail end of the cutter handle 5, then the cross bolt 9 respectively passes through the counter bore 6 and is connected on the connecting seat 8 in a threaded manner, so that the cutter handle 5 and the lengthening rod 7 can be combined and installed together, then the cutter holder 10 at the other end of the lengthening rod 7 is fixedly clamped on a milling machine through the mounting hole 11 and the positioning groove 12, so as to fix the milling cutter, finally, the numerical control milling machine is opened, the rough milling processing can be carried out on an aluminum product through the front blade 2 at the front end of the cutter body 1 and the side blade 3 on the surface of the cutter body, during the period, the cut waste can be discharged in time through the spiral chip withdrawing groove 4 on the surface of the cutter body 1, the waste accumulation and the increase of the abrasion of the cutter in work can be avoided, and the used lengthening rod 7 can increase the whole length of the cutter, so that the deep milling can be carried out on the aluminum product, simultaneously extension bar 7 is fixed through four cross bolts 9 with handle of a knife 5, connects stably, and is difficult not hard up, and convenient the dismantlement, and then is convenient for later stage to maintain or change the cutter.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a modular three sword extension alloy rough milling cutter for aluminium which characterized in that: comprises that

The cutter body (1), the cutter body (1) capable of milling the aluminum product is positioned at the front end of the milling cutter;

the cutter handle (5) is arranged at the rear end of the cutter body (1) and is integrated with the cutter body (1);

the center of one end face of the extension bar (7) is fixedly welded with a square connecting seat (8), and the extension bar is fixedly arranged in a square groove at the tail end of the cutter handle (5) through the connecting seat (8), so that the overall length of the cutter can be increased;

and the cutter holder (10) is used for stably clamping the milling cutter on the milling machine, and the cutter holder (10) is welded and fixed at the other end of the extension bar (7).

2. The combined aluminum three-edge lengthened alloy roughing mill according to claim 1, characterized in that: the cutter body (1) is made of high-wear-resistance hard alloy materials.

3. The combined aluminum three-blade lengthened alloy roughing mill as recited in claim 1, wherein: the end face of the cutter body (1) is uniformly provided with three front blades (2), the surface of the cutter body (1) is provided with side blades (3), and the cutter body (1) is of a three-blade flat head structure.

4. The combined aluminum three-edge lengthened alloy roughing mill according to claim 1, characterized in that: the surface of the cutter body (1) is distributed with continuous spiral chip removing grooves (4).

5. The combined aluminum three-blade lengthened alloy roughing mill as recited in claim 1, wherein: the outer diameter of the knife handle (5) is smaller than that of the knife body (1), and the outer diameter of the extension bar (7) is consistent with that of the knife handle (5).

6. The combined aluminum three-edge lengthened alloy roughing mill according to claim 1, characterized in that: four counter bores (6) have evenly been seted up on handle of a knife (5) surface, connecting seat (8) of extension bar (7) are inserted in the square inslot of handle of a knife (5) tail end, and extension bar (7) are detachable the connection through passing counter bore (6) and four cross bolt (9) of threaded connection on connecting seat (8) with handle of a knife (5).

7. The combined aluminum three-blade lengthened alloy roughing mill as recited in claim 1, wherein: the center of the outer end face of the tool apron (10) is provided with a mounting hole (11), and six positioning grooves (12) are uniformly distributed on the edge of the mounting hole (11).