CN2051542U

CN2051542U - Universal metal-cutting machine tool

Info

Publication number: CN2051542U
Application number: CN 89211332
Authority: CN
Inventors: 邹和明
Original assignee: Individual
Current assignee: Individual
Priority date: 1988-12-31
Filing date: 1988-12-31
Publication date: 1990-01-24

Abstract

The utility model relates to a universal metal-cutting machine tool, which can conduct the processes, such as, lathing, milling, drilling, boring, pulling, inserting, shoveling, grinding, gear shaping and rolling, etc. A general work piece can be basically cut and machined by the machine tool which can also conduct more complex processing and the process outside the working table of the machine tool body. The utility model utilizes a change gear universal coupling, a translational swinging and sliding table for milling cantilevers, a longitudinal slide carriage of a lifting table, etc. The utility model has the advantages of wide practical range, simple structure, high rigidity, and convenient operation, and is an economic universal machine tool which is particularly convenient for work piece repair, small batch production and new product trial production in various enterprises and households.

Description

Universal metal-cutting machine tool

The utility model is a kind of universal machine that is used for metal cutting processing.

In the existing Metal Cutting Machine Tool, all kinds of lathes can only be finished a small amount of operation separately, though the combination lathes range of work is wide slightly, this lathe headstock and tailstock frame need synchronization lifting, poor rigidity, complex structure, annex is many, and usage range is limited to, and installs and uses not very convenient, can not do again to insert and roll interior external tooth and the outer processing of lathe bed workbench etc., and cost is higher.Fail to be extensive use of always.(consult former First Machinery Industry Department design total institute compile " Metal Cutting Machine Tool handbook 1-238 page or leaf)

The purpose of this utility model is to overcome above-mentioned deficiency, provide a kind of structure simpler, easy to operate, usage range is wide, can make car, mill, brill, boring, draw, insert, shovel, grind and plug in the lathe of processing such as external tooth in rolling, make general workpiece basically can be on this lathe all machining finish, can also do such as the various profile of tooth millings of worm and gear, spiral bevel gear processing, milling with whirling cutter etc. are than complicated processing.

The utility model is finished like this: as shown in drawings.To have the combination of a few class machine tool components now and increase and change, it comprises: overarm 1, follow-rest 3, cooling device 4, tool holder 5, dividing head 6, centre frame 7 is inserted formula crank and rocker mechanism 9, circular table 10 mills formula workbench 11, vertical lift platform 12, tailstock frame 13, lathe bed 14, slip crate 15, car formula feed change case 17, electric component box 18, headstock 19, main motor 21, annex motor 22, change gear box 23, Hooks coupling universal coupling 24 reaches by following measure:

Joint 2 is square with the cooperation place of Hooks coupling universal coupling 24 two ends and termination, change gear box 23 3 place, the main shaft of headstock 19 or vertical milling main shaft meet the bevel gear 8b and the elementary bevel gear 8e that coincide in the universal cutting head 8, splined shaft 8C inserts in the bevel gear 8e and adorns shift fork 8d stepping and connects secondary bevel gear 8g or pinion 8f, gear wheel 8e and slotting formula crank and rocker mechanism 9 be coaxial to be connected and is joined by recessed spherojoint 8n and spline spindle 8m termination, spline spindle 8m is equipped with at the middle part back bevel gear 8K and the bevel gear 8g that coincide, its afterbody dress small belt pulley 8i adorns end cap 8h outward, shell 8j two sides have T type groove 8a, the vertical slide carriage 16 of lifting platform is housed between lathe bed 14 and the vertical lift platform 12, it cooperates lathe bed 14 places is that the inclined-plane square frame is in conjunction with guide rail 16a, it cooperates a side of vertical lift platform 12 is dovetail slideway 16b, there is nut 16C at the middle part, Zhuan You rotation changes translation slide unit 20 between overarm 1 and the headstock 19, the splined shaft bevel gear 20a that coincide with overarm 1 transmission bevel gear is arranged among its housing 20e, passive bevel gear 20d first line of a couplet splined shaft bevel gear 20a second line of a couplet driving bevel gear 20e and gear 20f and shift fork 20g, splined shaft bevel gear 20a is equipped with at the middle part gear 20C and the clutch gear 20j that coincide, clutch gear 20j adorns the shift fork 20K stepping first line of a couplet worm screw splined shaft 20m end face spline of connection rotation commentaries on classics gear 20i down; rotation changes the ring gear 20h of the identical housing 20e of gear 20h, and worm screw splined shaft 20m top coincide with the nut worm wheel circle 20n of overarm 1 interior screw mandrel.

And, insert tail end and spline spindle 8m and the recessed spherojoint 8n cooperation place of the rocking bar 9a of formula crank and rocker mechanism 9,9b is spherical, the concave ball shape of spline spindle 8m end in addition is 3 to 24 splines such as branch such as grade for its middle part, brill formula Mo Shi Cone hole, splined shaft 8C middle part cylindrical fluting is divided into two sections splines, the middle part of clutch gear 20j is that internal spline one end is that end face spline cylindrical is that the housing 20e bottom that roller gear ， rotation changes translation slide unit 20 has screw mandrel and bevel gear seat 20b for ring gear top.

Effect of the present utility model is made common car, is milled, brill, boring, the effect of drawing, inserting operation are conspicuous, the workpiece slow train is rotated, and headstock spindle and vertical milling main shaft rear portion change gear, but universal cutting head tilt certain angle is done slotting campaign backing-off cutting; Change cutting head dress annex driven by motor small belt pulley with ten thousand and can do grindings such as inside and outside garden; Main shaft and garden workbench are connected with the change gear Hooks coupling universal coupling, and universal cutting head dress cutter can be done axially, radially with tangential gear hobbing; But universal cutting head connected with the garden workbench by the change gear Hooks coupling universal coupling in the small belt pulley position and make slotting campaign gear shaping; Universal cutting head spindle is adorned cutter and turned to headstock spindle, can do inside and outside milling with whirling cutter and various thread milling; Universal cutting head is left the lathe bed workbench, and not only turning is convenient, and can be on the floor type table face the lathe bed workbench outside to large-scale heavy workpiece do to mill, brill, boring is slotting and grinding; Because machine tool structure is rationally dexterous, the kind of drive is thoughtfully comprehensive, for a difficult problem that solves in the metal cutting is comparatively ideal, also because this lathe can be finished whole machining of general workpiece basically separately, so simplified the operation conversion, reduced tooling step, thereby improve the quality of products, especially be convenient to various enterprises and family's part parts maintenance, small lot batch manufacture, trial production of new products also helps theory of metal cutting teaching and inquires into, convenience and economic universal machine that to train all kinds of machine operation personnel are a tractor serves several purposes.

Structure of the present utility model has clearly illustrated in the accompanying drawings:

Fig. 1 is the lathe overall pattern;

Fig. 2 is that change gear universal joint shaft Gu loess hills is employed mark

Fig. 3 is the structure chart of universal cutting head 8;

Fig. 4 inserts formula crank and rocker mechanism 9 and spline spindle cutaway view among Fig. 3;

Fig. 5 is the A-A amplification view of Fig. 1;

Fig. 6 is that the B of Fig. 5 is to zoomed-in view.

With main motor 21 is that 7.5 kilowatts universal machine is an example, referring to Fig. 1, the 1 wide 350mm of the being length of hanging oneself from a beam is 1400mm, its alignment of shafts line-spacing headstock 19 spindle centerline 400mm are 1600mm apart from lathe bed 14 bottom surfaces, lathe bed 14 length are 2400mm, high 800mm, wide 600mm mills the wide 250mm of formula work director 1000mm, vertical lift platform 12 stroke 250mm, car formula feed change case 17 and electric component box inner part and C6140 are similar, referring to Fig. 2, and Hooks coupling universal coupling 24 length overall 800mm, the modulus of change gear box 23 internal gears and y38 gear-hobbing machine change gear, the number of teeth is identical with quantity, referring to Fig. 3,8 liang of vertical rotating shaft hearts of universal cutting head line is at a distance of 350mm, referring to Fig. 4, spline spindle 8m is 6 splines such as branch such as grade, referring to Fig. 5, the vertical slide carriage length of lifting platform is 600mm, wide 800mm, referring to Fig. 6; it is 600mm that rotation changes translation slide unit lower outer diameter, last minister 600mm, wide 350mm.

Manufacturing of the present utility model can be made by the technological requirement that general lathe is produced.

Claims

1, a kind of metal cutting universal machine, it comprises: overarm 1, joint 2, follow-rest 3, cooling device 4, tool holder 5, dividing head 6, centre frame 7, universal cutting head 8, insert formula crank and rocker mechanism 9, circular table 10, mill formula workbench 11, vertical lift platform 12, tailstock frame 13, lathe bed 14, slip crate 15, the vertical slide carriage 16 of lifting platform, car formula feed change case 17, electric component box 18, headstock 19, rotation translation slide unit 20, main motor 21, annex motor 22, change gear box 23, Hooks coupling universal coupling 24, it is characterized in that:

(A) joint 2 is square with the cooperation place of Hooks coupling universal coupling 24 two ends and termination, change gear box 23 3 place,

(B) universal cutting head 8 is loaded on vertical milling main shaft one end of headstock 19, and its spline spindle 8m one end is connected on the rocking bar 9a that inserts formula crank and rocker mechanism 9 by recessed spherojoint 8n, and its shell 8j two sides have T type groove 8a,

(C) between lathe bed 14 and the vertical lift platform 12 lifting platform slide carriage 16 is housed, its cooperate lathe bed 14 places be the inclined-plane rectangle in conjunction with guide rail 16a, a side of joining back vertical lift platform 12 is dovetail slideway 16b,

(D) rotation translation slide unit 20 is loaded under the overarm 1 on the headstock 19.

2, according to the described universal machine of claim 1, it is characterized in that: the tail end of the rocking bar 9a of slotting formula crank and rocker mechanism 9 and spline spindle 8m and recessed spherojoint 8n cooperation place 9b are for spherical, the concave ball shape of spline spindle end in addition is 3 to 24 splines such as branch such as grade for its middle part of brill formula mohs tapered bore, splined shaft 8C middle part cylindrical fluting is divided into two sections splines, and there are screw mandrel and bevel gear seat 20b in the housing 20e bottom of rotation translation slide unit 20 for ring gear top; The middle part of clutch gear 20j is that internal spline one end is that end face spline cylindrical is a roller gear.