CN203356695U

CN203356695U - Combined machining cutter

Info

Publication number: CN203356695U
Application number: CN 201320466072
Authority: CN
Inventors: 郭琛; 马世义
Original assignee: Dalian Jiaotong University
Current assignee: Dalian Jiaotong University
Priority date: 2013-07-31
Filing date: 2013-07-31
Publication date: 2013-12-25
Anticipated expiration: 2023-07-31

Abstract

The utility model discloses a combined machining cutter which comprises a cutter body, blades A, blades B, a blade C, a blade D, blades E, a blade F, a blade clamp A, blade clamps B, a blade clamp C and a blade clamp D, wherein the right section of the cutter body is a cone and is connected with a machine tool, and the left section of the cutter body comprises four stepped cylinders. The provided novel combined machining tool is used at the numerical control machining center for machining concentric holes and end surfaces, the efficiency can be improved about 4 times, and the concentricity of the holes is in 0.004 mm; the product quality is improved, the production and manufacture cost is reduced greatly, and the market competitiveness of a product is improved; with the design of changeable standard blades, the blades serving as consumables can be supplied by an ordinary cutter supplier, and the quality and the period are guaranteed; and the service life of the cutter is prolonged, and the production and manufacture costs are reduced.

Description

A kind of compound cutting tool

Technical field

The utility model relates to a kind of machining cutting tool, particularly a kind of compound cutting tool.

Background technology

As shown in Figure 1, in machining, often can run into some products and contain one group of concentric holes system and need processing, and in the system of hole, the axiality between Kong Yukong requires stricter.There are two kinds for the current conventional processing scheme of this structure:

The first scheme is processed on numerically controlled lathe.Its advantage is to use number of cutters few, and efficiency is high.But be difficult to guarantee the strict position degree requirement at other positions relatively of hole system.And for special-shaped part, because the clamping difficulty is difficult to realize processing on lathe.

First scheme is processed on numerical control machining center.Its advantage is the processing highly versatile, and clamped one time can complete the processing of a plurality of characteristics, and the position degree of product is guaranteed to some extent, can be processed most products.But the use number of cutters is many, lathe is long non-cutting time, and the process rhythm time is long, and efficiency is low, and cost is very high, causes product competitiveness in the market to descend.

The original process process of processing on numerical control machining center is as follows:

Mill ￠ 37 holes (￠ 20 slotting cutters)-mill ￠ 41.5 holes (￠ 20 slotting cutters)-mill ￠ 41.5 end faces (￠ 20 slotting cutters)-mill ￠ 81.5 holes (￠ 20 slotting cutters)-mill ￠ 41.5 orifice chamfers (30 degree tapering milling cutter)-mill ￠ 81.5 orifice chamfers (30 degree tapering milling cutter), process rhythm 88 seconds.As shown in Table 1 below:

Table 1 original process

Summary of the invention

The problems referred to above that exist for solving prior art, the utility model will design that a kind of both can to have met hole be the concentricity processing request, can significantly improve again the compound cutting tool of working (machining) efficiency.

To achieve these goals, the technical solution of the utility model is as follows: a kind of compound cutting tool comprises cutter hub, blade A, blade B, blade C, blade D, blade E, blade F, cutter holder A, cutter holder B, cutter holder C and cutter holder D;

Right section of described cutter hub is cone, for connecting with lathe, left section of cutter hub is comprised of four stepped cylinders, is followed successively by from left to right the first ladder cylinder to the four-step cylinder, its diameter increasing progressively successively from left to right, i.e. the first ladder cylinder diameter minimum, four-step cylinder diameter maximum, described cutter holder A is arranged on the middle part of the four-step cylinder side of cutter hub, described cutter holder B has two, be arranged on respectively relative close the 3rd ladder cylinder place, two sides of four-step cylinder of cutter hub, described cutter holder C is arranged on the 3rd ladder cylinder side of cutter hub near the second ladder cylinder place, and described cutter holder D is arranged on the 3rd ladder cylinder side of cutter hub near the second ladder cylinder place, described blade A has two, be arranged on respectively two relative sides of the first ladder cylinder high order end of cutter hub, described blade B has two, be arranged on respectively the relative close first cylinder place, two sides of the second ladder cylinder of cutter hub, described blade C is arranged on the 3rd cylindrical side of ladder of cutter hub near on the cutter holder C at the second ladder cylinder place, described blade D is arranged on the 3rd ladder cylinder side of cutter hub near on the cutter holder D at the second ladder cylinder place, described blade E has two, be arranged on respectively two sides that the four-step cylinder of cutter hub is relative near on the cutter holder B at the 3rd ladder cylinder place, described blade F is arranged on the cutter holder A at middle part of four-step cylinder side of cutter hub.

The model of blade A described in the utility model, blade B, blade C, blade D, blade E and blade F is TPGX110308, and the model of described cutter holder A and cutter holder B is STRPR08CA11, and described cutter holder C and cutter holder D are STFPR08CA11.

9 blades division of labor of the present utility model is as follows: blade A is for processing ￠ 37 holes, and blade A becomes 180 degree to distribute on circumference.Blade B is for processing ￠ 41.5 holes, and blade B becomes 180 degree to distribute on circumference.Blade C is for processing ￠ 41.5 end faces, and blade D is for processing ￠ 41.5 aperture 15 degree chamferings.Blade E is for processing ￠ 81.5 holes, and blade E becomes 180 degree to distribute on circumference.Blade F is for processing ￠ 81.5 orifice chamfers.

Compared with prior art, the utlity model has following beneficial effect:

1, the utility model provides a kind of NEW TYPE OF COMPOSITE process tool used on numerical control machining center, realizes that efficiency can improve 4 times of left and right to the processing of concentric holes system and end face, and hole is that concentricity reaches in 0.004mm.Improved the quality of product, greatly reduced manufacturing cost, the improving product market competitiveness.

2, the utility model adopts replaceable standard insert design, and blade can be by the conventional cutting tool supplier supply of material as running stores like this, and quality and cycle guarantee more to some extent, and cutter hub (chief component of cutter) gets final product as the nonexpendable item one-time investment.Cutter hub is connected handle of a knife and presses the BT40 design with lathe, can different designs be arranged according to the difference of machine tool chief axis connecting portion herein, and such as BT50, BT30 etc., make cutter possess certain interchangeability.G6.3 level during 3000 rev/mins of dynamic balance runnings (by 2 times of safety coefficients designs), during the actual use of cutter, revolution is 1554 rev/mins, makes cutter have more reliable stability when high speed rotating.For cutter can fully be cooled, the handle of a knife indoor design has interior cold hole, makes to cut liquid and more effectively is expelled to the blade cut position, has extended cutter life, reduces manufacturing cost.

The accompanying drawing explanation

3, the total accompanying drawing of the utility model, wherein:

Fig. 1 is the concentric holes architecture schematic diagram that needs processing;

Fig. 2 is the product to be processed part drawing;

Fig. 3 is the compound tool structural representation:

In Fig. 3: 1, cutter hub, 2, blade A, 3, blade B, 4, blade C, 5, blade D, 6, blade E, 7, blade F, 8, cutter holder A, 9, cutter holder B, 10, cutter holder C, 11, cutter holder D.

The specific embodiment

Below in conjunction with accompanying drawing, the utility model is described further, as shown in Figure 3, a kind of compound cutting tool, comprise cutter hub 1, blade A2, blade B3, blade C4, blade D5, blade E6, blade F7, cutter holder A8, cutter holder B9, cutter holder C10 and cutter holder D11, right section of described cutter hub 1 is cone, for connecting with lathe, left section of cutter hub 1 is comprised of four stepped cylinders, is followed successively by from left to right the first ladder cylinder to the four-step cylinder, its diameter increasing progressively successively from left to right, i.e. the first ladder cylinder diameter minimum, four-step cylinder diameter maximum, described cutter holder A8 is arranged on the middle part of the four-step cylinder side of cutter hub 1, described cutter holder B9 has two, be arranged on respectively relative close the 3rd ladder cylinder place, two sides of four-step cylinder of cutter hub 1, described cutter holder C10 is arranged on the 3rd ladder cylinder side of cutter hub 1 near the second ladder cylinder place, and described cutter holder D11 is arranged on the 3rd ladder cylinder side of cutter hub 1 near the second ladder cylinder place, described blade A2 has two, be arranged on respectively two relative sides of the first ladder cylinder high order end of cutter hub 1, described blade B3 has two, be arranged on respectively the relative close first cylinder place, two sides of the second ladder cylinder of cutter hub 1, described blade C4 is arranged on the 3rd cylindrical side of ladder of cutter hub 1 near on the cutter holder C10 at the second ladder cylinder place, described blade D5 is arranged on the 3rd ladder cylinder side of cutter hub 1 near on the cutter holder D11 at the second ladder cylinder place, described blade E6 has two, be arranged on respectively two sides that the four-step cylinder of cutter hub 1 is relative near on the cutter holder B9 at the 3rd ladder cylinder place, described blade F7 is arranged on the cutter holder A8 at middle part of four-step cylinder side of cutter hub 1.

The model of blade A2 described in the utility model, blade B3, blade C4, blade D5, blade E6 and blade F7 is TPGX110308, and the model of described cutter holder A8 and cutter holder B9 is STRPR08CA11, and described cutter holder C10 and cutter holder D11 are STFPR08CA11.

The utility model adopts replaceable standard insert design, and blade can be by the conventional cutting tool supplier supply of material as running stores like this, and quality and cycle guarantee more to some extent, and the chief component of cutter hub 1(cutter) as the nonexpendable item one-time investment, get final product.Cutter hub 1 is connected handle of a knife and presses the BT40 design with lathe, different designs, such as BT50, BT30 etc. can be arranged according to the difference of machine tool chief axis connecting portion herein.G6.3 level during 3000 rev/mins of dynamic balance runnings (by 2 times of safety coefficients designs), during the actual use of cutter, revolution is 1554 rev/mins.For cutter can fully be cooled, the handle of a knife indoor design has interior cold hole, makes to cut liquid and more effectively is expelled to blade cut position, tool life.Wherein have 5 places (two STRPR08CA11 cutter holders, three STFPR08CA11 cutter holders) to adopt the removable holder design, axial location that can blade is finely tuned, to meet the product drawing requirement.Can also process other products as 5 place's cutter holders are replaced with to other cutter holders, strengthen the versatility of this cutter.

9 blades division of labor of the present utility model is as follows: blade A2 is for processing ￠ 37 holes, and blade A2 becomes 180 degree to distribute on circumference.Blade B3 is for processing ￠ 41.5 holes, and blade B3 becomes 180 degree to distribute on circumference.Blade C4 is for processing ￠ 41.5 end faces, and blade D5 is for processing ￠ 41.5 aperture 15 degree chamferings.Blade E6 is for processing ￠ 81.5 holes, and blade E6 becomes 180 degree to distribute on circumference.Blade F7 is for processing ￠ 81.5 orifice chamfers.

When the utility model is processed the workpiece shown in Fig. 1-2, only with one, the cutter primary feed is machined to all processing characteristics.Process rhythm only has 21 seconds, and technical process is shown in Table 2:

Table 2 adopts the technique table after the utility model cutter

Design:

Fig. 2 is product to be processed detail drawing sketch.Having 6 places to need processing (indicating with heavy line) in Fig. 2, is respectively ￠ 37 holes, ￠ 41.5 holes, ￠ 41.5 end faces, ￠ 81.5 holes, ￠ 41.5 orifice chamfers, ￠ 81.5 orifice chamfers.

In sum, the NEW TYPE OF COMPOSITE cutter of this structure can be realized highly-efficient processing to like parts, improves the quality of products, and greatly reduces manufacturing cost, sharply the improving product market competitiveness.

Claims

1. a compound cutting tool, is characterized in that: comprise cutter hub (1), blade A(2), blade B(3), blade C(4), blade D(5), blade E(6), blade F(7), cutter holder A(8), cutter holder B(9), cutter holder C(10) and cutter holder D(11);

Right section of described cutter hub (1) is cone, for connecting with lathe, left section of cutter hub (1) is comprised of four stepped cylinders, is followed successively by from left to right the first ladder cylinder to the four-step cylinder, its diameter increasing progressively successively from left to right, i.e. the first ladder cylinder diameter minimum, four-step cylinder diameter maximum, described cutter holder A(8) be arranged on the middle part of the four-step cylinder side of cutter hub (1), described cutter holder B(9) there are two, be arranged on respectively relative close the 3rd ladder cylinder place, two sides of four-step cylinder of cutter hub (1), described cutter holder C(10) be arranged on the 3rd ladder cylinder side of cutter hub (1) near the second ladder cylinder place, described cutter holder D(11) be arranged on the 3rd ladder cylinder side of cutter hub (1) near the second ladder cylinder place, described blade A(2) there are two, be arranged on respectively two relative sides of the first ladder cylinder high order end of cutter hub (1), described blade B(3) there are two, be arranged on respectively the relative close first cylinder place, two sides of the second ladder cylinder of cutter hub (1), described blade C(4) be arranged on the cutter holder C(10 of the 3rd cylindrical side of ladder of cutter hub (1) near the second ladder cylinder place) on, described blade D(5) be arranged on the cutter holder D(11 of the 3rd ladder cylinder side of cutter hub (1) near the second ladder cylinder place) on, described blade E(6) there are two, be arranged on respectively two sides that the four-step cylinder of cutter hub (1) is relative cutter holder B(9 near the 3rd ladder cylinder place) on, described blade F(7) be arranged on the cutter holder A(8 at middle part of the four-step cylinder side of cutter hub (1)) on.

2. a kind of compound cutting tool according to claim 1, it is characterized in that: described blade A(2), blade B(3), blade C(4), blade D(5), blade E(6) and blade F(7) model be TPGX110308, described cutter holder A(8) and cutter holder B(9) model be STRPR08CA11, described cutter holder C(10) and cutter holder D(11) model be STFPR08CA11.