CN202114265U

CN202114265U - Numerically controlled lathe for center operation

Info

Publication number: CN202114265U
Application number: CN2011201414646U
Authority: CN
Inventors: 康凤明; 朱洪臣
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-05-06
Filing date: 2011-05-06
Publication date: 2012-01-18
Anticipated expiration: 2021-05-06

Abstract

The utility model discloses a numerically controlled lathe for the center operation; a spindle box is supported on guide rails on a lathe body and longitudinally moves along the guide rails; the spindle box and a slide carriage are controlled by a longitudinal spindle box feed device and a longitudinal slide carriage feed device which are arranged between the two guide rails of the lathe body; and a tailstock sleeve is provided with an automatic tool pull device where tools and centers in various standards can be installed and auxiliary chucks can also be installed.On the basis that the functions of the tradition horizontal lathe are not reduced, the structure of the lathe is simplified, the static stiffness and support stiffness are better, and the lathe is more reliable in use.

Description

A kind of top operation numerically controlled lathe

Technical field

The utility model belongs to the Metal Cutting Machine Tool field, especially relates to a kind of top operation numerically controlled lathe.

Background technology

Along with the high speed development of China's machinery manufacturing industry, increasing to the demand of numerically controlled lathe, and traditional top class of jobs numerically controlled lathe copies traditional horizontal lathe to grow up often, there are problems such as complex structure, rigidity of support are low, function singleness.

Summary of the invention

The purpose of the utility model is: to the technical problem of above-mentioned existence, provide a kind of simple for structure, rigidity of support is high, easy to operate, the top class of jobs numerical control horizontal of service-strong lathe.

The technical scheme of the utility model is: comprise lathe bed, main spindle box, spindle drive motor, tailstock, knife rest, knife rest is arranged between main spindle box and the tailstock, and main spindle box is supported on the guide rail above the lathe bed and along guide rail and vertically moves; Knife rest is installed on the cross slide, and cross slide is supported on to be realized on the line slideway on slide carriage top laterally moving, and slide carriage is supported on to be realized on the bed ways vertically moving; Main spindle box and slide carriage are by the main spindle box longitudinal feeding device and the control of slide carriage longitudinal feeding device that are installed between lathe bed two guide rails; Tailstock comprises tailstock body, barrel of tail stock, automatic tool-broaching device; Tailstock body is fixed on the rear portion of lathe bed; Supporting barrel of tail stock through taper roll bearing in the tailstock body, the front portion of barrel of tail stock has taper hole and end key, and the automatic tool-broaching device comprises broaching tool bar, broaching tool dish spring, loose knife oil cylinder; Broaching tool bar and broaching tool dish spring are equipped with in barrel of tail stock inside, and loose knife oil cylinder is installed at the tailstock body rear portion; Main spindle box feeding drag chain and cross slide feeding drag chain are built in the protective cover.

The beneficial effect of the utility model is: because the utility model has adopted fixed tailstock, portable main spindle box; Barrel of tail stock is provided with the automatic tool-broaching device; Between main spindle box and the lathe bed, between slide carriage and the lathe bed, all adopt rail plate to support between cross slide and the slide carriage; The numerical control feeding device drags, and main transmission and each moving-member be separate transmission respectively.There are taper hole and end key in the front portion of barrel of tail stock, and various standard cutters and top can be installed, and auxiliary chuck can be installed, so that the heavy work piece.The utility model on the basis of not reducing traditional horizontal lathe each item function, make the designs simplification of lathe, quiet rigidity and rigidity of support better, use more reliable.

Description of drawings

Fig. 1 is the front view of a kind of top operation numerically controlled lathe of the utility model;

Fig. 2 is the left view of Fig. 1;

Fig. 3 is the vertical view of Fig. 1;

Fig. 4 is A-A cutaway view of Fig. 1.

Mark explanation among the figure: 1, band synchronously, 2, main spindle box, 3, planetary reducer, 4, the numerical control operation panel, 5, spindle drive motor; 6, chuck, 7, cross slide, 8, knife rest, 9, slide carriage, 10, auxiliary chuck; 11, barrel of tail stock, 12, broaching tool dish spring, 13, the broaching tool bar, 14, cross slide feeding drag chain, 15, loose knife oil cylinder; 16, taper roll bearing, 17, tailstock body, 18, back leg, 19, protective cover one, 20, lathe bed; 21, middle footpost, 22, protective cover five, 23, protective cover two, 24, preceding footpost, 25, protective cover three; 26, protective cover four, 27, longitudinal feeding device, 28, longitudinal feeding device, 29, main spindle box feeding drag chain, 30, cross feed device.

The specific embodiment

Front view from the utility model shown in Figure 1; The left view of Fig. 2; The A of the vertical view of Fig. 3 and Fig. 4-A cutaway view can be found out: the utility model is mainly by lathe bed 20; Footpost; Main spindle box 2; Spindle drive motor 5; Planetary reducer 3; Be with 1 synchronously; Main card dish 6; Big cargo chute 9; Cross slide 7; Square tool post 8; Tailstock body 17; Barrel of tail stock 1; Tailstock is assisted chuck 10; The automatic tool-broaching device; Numerical control operation panel 4; Main spindle box longitudinal feeding device 28; Slide carriage longitudinal feeding device 27; Knife rest cross feed device 30; Main spindle box feeding drag chain 29; Cross slide feeding drag chain 14; Protective cover 1; Protective cover 2 23; Protective cover 3 25; Protective cover 4 26; Protective cover 5 22 compositions such as grade.

This type of lathe is to the general type of distance between centers (main spindle box and tailstock distance), footpost 24 and back leg 18 before only installing; The type bigger than normal to distance between centers, footpost 21 between preceding footpost 24 and back leg 18, setting up.Lathe bed 20 bottoms and footpost are tightened to one, and connect into the one of rigidity again through footpost and ground.

Main spindle box 2 is supported on the bed ways, through vertical line slideway auxiliary between them and numerical control longitudinal feeding device 28, realizes vertically moving of main spindle box 2 relative lathe beds 20.Main spindle box has independently AC servo or alternating-current variable frequency motor transmission, the rotary encoder feedback, and spindle drive motor 5 with being with 1 driving main shaft synchronously, also can be provided with two grades of speed changes of height after slowing down through planetary reducer 3 in the main spindle box 2.The main shaft front portion is according to the relevant art standard, top, chuck, floral disc etc. can be installed attach.Main spindle box feeding drag chain 29 is installed in the bottom of longitudinal rail protective cover 2 23 and protective cover 3 25, and an end of drag chain is fastened on the lathe bed 20, and the other end is fastened on the main spindle box 2, can move longitudinally and drag along with main spindle box 2.

Big cargo chute 9 is supported on the bed ways, through vertical line slideway auxiliary between them and numerical control longitudinal feeding device 27, realizes vertically moving of big cargo chute 9 relative lathe beds 20.Cross slide 7 is supported on the line slideway on slide carriage 9 tops, through horizontal line slideway auxiliary between them and numerical control cross feed device 30, realizes that cross slide 7 moves relative to big cargo chute 9 and the horizontal of lathe bed 20.Cross slide 7 tops are equipped with conventional knife rest, also auxiliary bistrique or milling head can be installed.Cross slide feeding drag chain 14 is installed in the bottom of longitudinal rail protective cover 1, and an end of drag chain is fastened on the lathe bed 20, and the other end is fastened on the big cargo chute 9, can move longitudinally and drag along with big cargo chute 9.

Tailstock comprises tailstock body 17, barrel of tail stock 11, automatic tool-broaching device; Tailstock body 17 bottoms become gantry shape to be fastened on the lathe bed 20; Back-to-back supporting barrel of tail stock 11 with a pair of taper roll bearing 16 in the tailstock body 17, make barrel of tail stock 11 in tailstock body 17 axial restraint, freely turn round.There are 7 to 24 standard taper hole and end key in the front portion of barrel of tail stock 11; Various standard cutters and top can be installed; The automatic tool-broaching device comprises broaching tool bar 13, broaching tool dish spring 12, loose knife oil cylinder 15, and broaching tool bar 13 and broaching tool dish spring 12 are equipped with in barrel of tail stock 11 inside, and loose knife oil cylinder 15 is installed at tailstock body 17 rear portions; Barrel of tail stock 11 can be installed auxiliary chuck 10, so that the heavy work piece.

The utility model has adopted fixed tailstock, portable main spindle box; Barrel of tail stock is provided with the automatic tool-broaching device; Between main spindle box 2 and the lathe bed 20, between slide carriage 9 and the lathe bed 20, adopt all between cross slide 7 and the slide carriage 9 that rail plate supports, the numerical control feeding device drags; Main transmission and each moving-member be separate transmission respectively, on the basis of not reducing traditional horizontal lathe each item function, make the designs simplification of lathe, quiet rigidity and rigidity of support better, use more reliable.

Claims

1. top operation numerically controlled lathe; Comprise lathe bed (20), main spindle box (2), spindle drive motor (5), tailstock, knife rest (8); Knife rest (8) is arranged between main spindle box (2) and the tailstock, it is characterized in that: said main spindle box (2) is supported on the guide rail above the lathe bed (20) and along guide rail and vertically moves; Knife rest (8) is installed on the cross slide (7), and cross slide (7) is supported on to be realized on the line slideway on slide carriage (9) top laterally moving, and slide carriage (9) is supported on to be realized on the bed ways vertically moving; Said main spindle box (2) and slide carriage (9) are by the main spindle box longitudinal feeding device (28) and slide carriage longitudinal feeding device (27) control that are installed between lathe bed (20) two guide rails; Said tailstock comprises tailstock body (17), barrel of tail stock (11), automatic tool-broaching device; Tailstock body (17) is fixed on the rear portion of lathe bed (20); Support barrel of tail stock (11) through taper roll bearing (16) in the tailstock body (17); The front portion of barrel of tail stock (11) has taper hole and end key; The automatic tool-broaching device comprises broaching tool bar (13), broaching tool dish spring (12), loose knife oil cylinder (15), and broaching tool bar (13) and broaching tool dish spring (12) are equipped with in barrel of tail stock (11) inside, and loose knife oil cylinder (15) is installed at tailstock body (17) rear portion; Main spindle box feeding drag chain (29) and cross slide feeding drag chain (14) are built in the protective cover.

2. top operation numerically controlled lathe according to claim 1 is characterized in that: said barrel of tail stock (11) can be installed auxiliary chuck (10).

3. top operation numerically controlled lathe according to claim 1; It is characterized in that: an end of said main spindle box feeding drag chain (29) is fastened on the lathe bed (20); The other end is fastened on the main spindle box (2); One end of cross slide feeding drag chain (14) is fastened on the lathe bed (20), and the other end is fastened on the slide carriage (9).