CN2150955Y

CN2150955Y - Multifunctional effective milling head and chuck

Info

Publication number: CN2150955Y
Application number: CN 92240015
Authority: CN
Inventors: 马福昌; 景怀庆
Original assignee: Jinan Machinery Plant No3
Current assignee: Jinan Machinery Plant No3
Priority date: 1992-11-26
Filing date: 1992-11-26
Publication date: 1993-12-29
Anticipated expiration: 2002-11-26

Abstract

The utility model relates to a multifunctional high-efficiency cyclone milling head and multi-gear cutter heads thereof. The left half part of an inner hole of a main shaft 7 of the milling head is a conical positioning hole for assembling an inner-thread cutter, and a protecting jacket 6 for protecting the accuracy of the positioning hole is arranged in the positioning hole; a set of axial adjusting mechanisms are arranged in a support frame 2, and the bottom of which is provided with a horizontal adjusting mechanism; the right end of the inner hole of the main shaft is provided with a spraying and cooling mouth, the left end of the main shaft is provided with cover-connecting type inner-cutting multi-gear cutter heads which can be assembled together with each other or optionally demounted, four to twelve cutter bars 3 are uniformly arranged at the same reference in the cutter heads, and blades with replacement and longitudinal fine adjustment are arranged on the cutter bars.

Description

Multifunctional effective milling head and chuck

The utility model relates to the thread milling device; Particularly relate to the whirlwind thread milling device that can install on the lathe.

In existing milling with whirling cutter screw device, Xian Jin external screw thread whirlwind Milling Machine group that external production is arranged and internal thread milling with whirling cutter unit comparatively.Advantages such as it is efficient though these units have, high accuracy, its external screw thread whirlwind Milling Machine group and internal thread milling with whirling cutter unit can not general milling heads; And its milling head can only the one-dimensional adjustment, and the mistake that can't resolve in the saw-tooth thread milling is cut problem, with the matching used inscribe fado of milling head serrated knife dish eight cutters tooth of assembling at most.

The purpose of this utility model provides a kind of cyclone milling head of efficient, multipotency.But this milling head is threading both, but machining internal thread again; Particularly can process saw-tooth thread, and not produce and cut.

Another purpose of the present utility model is for above-mentioned efficient, multipotency cyclone milling head, and a kind of matching used inscribe fado serrated knife dish that connects the formula of lid is provided.This cutterhead can radially be assembled 4～12 cutters tooth on same datum level, and can adjust the whirlwind circular diameter of cutterhead.

Technical essential of the present utility model is:

It is conical that the main shaft endoporus of cyclone milling head, its front end are, as the reference for installation of internal threading tool; The support of milling head has two dimension guiding mechanisms.At the left end of main shaft, can arbitrarily assemble or connecing of demolition covered formula inscribe fado serrated knife dish 9 for equipped one.This cutterhead is formed the formula of lid that connects by cutterhead lid and cutterhead seat.Cutter can radially be transposed in cutterhead, and the clamped cutting bit sheet can be changed, and can vertically fine setting on knife bar.

Accompanying drawing 1 is a cyclone milling head structural representation of the present utility model;

The a of accompanying drawing 2 and b are to cover formula inscribe fado serrated knife dish structural representation with matching used the connecing of milling head.

Particular content of the present utility model is as follows:

Cyclone milling head shown in Figure 1 comprises parts such as casing 10, motor 11, main shaft 7, support 2, base 4.Wherein: the endoporus of main shaft 7, left side are conical locating holes, as the benchmark that internal threading tool is installed.In conical locating hole, a protective sleeve 6 is housed, in order to the precision of protection taper hole, and can guarantee the installation accuracy of internal threading tool.When needs milling external screw thread, can unload internal threading tool, and multiple tooth cutterhead 9 is assembled in the left end of milling head main shaft.By the cutter tooth point or the top sword mid point of cutterhead, except that design height,, one group of guiding mechanism of being made up of worm gear and worm screw is housed when guaranteeing that the milling head main-shaft axis rotates in vertical plane in the inside of support 2.Can after unclamping trip bolt 8, adjust support 2 around axle 3 rotations by handwheel 1.Mistake when milling saw-tooth thread is cut, and in the bottom of support 2, limits the fixed axis 5 that support level rotates by one, constitutes to avoid the mechanism of cutting.Can after unclamping trip bolt, adjust the horizontal level of support on base 4.At the endoporus right-hand member of main shaft 7, a nozzle (not shown) to cutting region spraying cooling is housed, in order to cutting region is realized cooling and chip removal, and reduce the thermal deformation of workpiece, improve the durability of machining accuracy and cutter.

Shown in Figure 2 is that connecing of can assembling mutually or dismantle with milling head main shaft left end covered formula inscribe fado serrated knife dish.This cutterhead is made up of cutterhead seat 12, cutterhead lid 13, knife bar 18 etc.This structure can be installed in many cutters on the same datum level, guarantees cutter positioning precision height.Cutterhead lid 13 is assembled into one by trip bolt 14 and cutterhead seat; The inboard of

cutterhead lid

13,4～12 radially vertical knife bar grooves equably distribute.In each knife bar groove, by knife bar 18 of screw 19 devices, there is a cutter groove on the top of each knife bar, install a blade 16 by screw 15 in the cutter groove, the tail end of blade has a micrometer adjusting screw 17 that connects with knife bar, in order to carry out vertical fine setting of blade, guarantees the accurate diameter of cutterhead whirlwind circle.Simultaneously, by the radially adjustment of knife bar 18 on cutterhead, realize the adjustment of cutterhead whirlwind diameter of a circle.

Cyclone milling head of the present utility model by the centre-height of its milling head, can be divided into the tandem product of 90mm, 110mm and three kinds of specifications of 175mm.If supporting with engine lathe, and select for use to connect accordingly and cover formula inscribe fado serrated knife dish or internal threading tool, can a tractor serves several purposes, trapezoidal shape screw thread, the worm screw of cutting various public affairs, inch screw thread and various moduluses respectively, or the internal and external screw thread of extraordinary profile of tooth.And in milling process, having 2～10 times of the comparable monodentate milling with whirling cutter raisings of spraying cooling and its milling efficiency of chip removal function, the durability of cutter then can improve 2～8 times.

Claims

1, a kind of high efficiency and multi-function cyclone milling head and multiple tooth cutterhead thereof are made up of casing 10, motor 11, main shaft 7, support 2, base 4 etc., it is characterized in that:

(1) endoporus of main shaft 7, its left side are conical locating holes in order to the assembling internal threading tool; In conical locating hole inside, the protective sleeve 6 of a protection locating hole precision is housed;

(2) inside of support 2 is assembled one group and is made up of worm gear and worm screw, and by the guiding mechanism of handwheel 1 actuating;

(3) bottom of support 2 limits the fixed axis 5 that support horizontally rotates, the mechanism that formation occurred cutting when avoiding milling saw-tooth thread by one on base 4;

(4), a nozzle to cutting region spraying cooling is housed at the right-hand member of main shaft 7 endoporus;

(5) at the left end of main shaft 7, have one can be with main shaft assembling, and connecing of detachably getting off covered formula inscribe fado serrated knife dish.

2,, it is characterized in that said multiple tooth cutterhead is to be connect and covered the formula structure by cutterhead seat 12, cutterhead lid 13, trip bolt 14 assembling all-in-one-pieces according to said high efficiency and multi-function cyclone milling head of claim 1 and multiple tooth cutterhead thereof; Wherein the inboard of cutterhead lid 13 is distributed with 4～12 radially vertical knife bar grooves equably on same benchmark; In each knife bar groove, radially install a knife bar 18 that same location benchmark is arranged by screw 19.

3, according to said high efficiency and multi-function cyclone milling head of claim 2 and multiple tooth cutterhead thereof, it is characterized in that covering in the formula inscribe fado serrated knife dish connecing, there is a cutter groove end of knife bar 18, in the cutter groove by blade 16 of screw 15 devices.

4, according to claim 2 or 3 said high efficiency and multi-function cyclone milling head and multiple tooth cutterheads thereof, it is characterized in that covering in the formula inscribe fado serrated knife dish connecing, the tail end of blade 16 has a micrometer adjusting screw 17 that connects with knife bar 18.