CN205414424U

CN205414424U - Bar machine tool

Info

Publication number: CN205414424U
Application number: CN201620215384.3U
Authority: CN
Inventors: 陈宗平
Original assignee: TAIZHOU ZHONGTIAN TOOLS Co Ltd
Current assignee: TAIZHOU ZHONGTIAN TOOLS Co Ltd
Priority date: 2016-03-21
Filing date: 2016-03-21
Publication date: 2016-08-03
Anticipated expiration: 2026-03-21

Abstract

The utility model provides a bar machine tool belongs to mechanical technical field. It has solved axiality and the relatively poor scheduling problem of circularity that current bar machine tool processing long rod expects the work piece. This bar machine tool includes the lathe bed and sets up guide rail and the headstock on the lathe bed, the headstock lies in a lathe bed tip, the other end of lathe bed is provided with and installs the thimble that can support the work piece on the tailstock that can move and the tailstock on the guide rail, but install relative set up and main chuck holding workpiece with the thimble on the headstock, it is provided with the layer board to lie in on the guide rail between thimble and the main chuck, but link firmly on the layer board and to supply the work piece to penetrate and holding workpiece's clamping device, main chuck, the work of layer board and clamping device is by numerical -control programming control. The utility model has the advantages of machining efficiency is high, and work piece axiality and circularity are better.

Description

A kind of bar machining machine tool

Technical field

This utility model belongs to field of mechanical technique, relates to a kind of lathe, particularly to a kind of bar machining machine tool.

Background technology

Bar work turning and cutting thread on lathe add man-hour, have two kinds of installation way according to the quality of workpiece is different with precision: 1, the two ends of lathe are respectively provided with top, and the central part at workpiece two ends withstands clamping by the top of lathe two ends；2, one end of lathe arranges the top other end and arranges chuck, and one end of workpiece is propped up by top by the chuck clamping other end of lathe.

When processing elongated bar stock and the different bar of two ends diameter, two kinds of above-mentioned installation way all cannot ensure workpiece when high speed rotating, there is lower bending deformation in middle part, and workpiece is after the length of processing one section, need to take off workpiece to turn around, complete turning and the cutting thread etc. of undressed one end.This processing method has the disadvantage in that 1, vehicle commander's bar two ends, needs multiple clamping, processing inconvenience, laborious takes；2, process several times, it is impossible to ensure the axiality that workpiece two ends are absolute；3, long bar work clamping processing, horizontal span is big, and when causing work pieces process, workpiece exists and slightly beats, it is impossible to ensure that the circularity of workpiece and circle are beated.

Summary of the invention

The purpose of this utility model is for the above-mentioned problems in the prior art, it is provided that one can guarantee that machining accuracy, and the bar machining machine tool that working (machining) efficiency is high.

The purpose of this utility model can be realized by following technical proposal: a kind of bar machining machine tool, the guide rail including lathe bed and being arranged on lathe bed and main spindle box, described main spindle box is positioned at lathe bed one end, the other end of described lathe bed is provided with and can be provided with, on the tailstock of movement and tailstock, the thimble that can prop up workpiece on guide rail, main card dish that is that be oppositely arranged with thimble and that can clamp workpiece is installed on described main spindle box, it is characterized in that, between thimble and main card dish, it is provided with supporting plate on described guide rail, it is fixed with on described supporting plate and is available for the clamping device that workpiece penetrates and can clamp workpiece, described main card dish, the work of supporting plate and clamping device is by numerical control programming control.

In above-mentioned a kind of bar machining machine tool, described clamping device includes main body and is arranged at the vice card dish of main body one end, on the outer face of described vice card dish, circumference is distributed several clamp blocks, in described clamp block, clamp are installed, described vice card dish is internally provided with the inner core that can control clamp block opening and closing, it is provided with bearing block in described main body and bearing block one end is stretched in vice card dish, it is connected by spline between described bearing block one end and inner core, it is provided with several bearings between the other end and the main body of bearing block, it is provided with piston bush in offering oil pocket and fuel tank in described main body, the oil-in being connected with oil pocket and oil-out it is provided with on described body outer wall, one end that described piston bush stretches out outside oil pocket is connected with inner core.

In above-mentioned a kind of bar machining machine tool, described clamp block be inclined plane with the contact surface of inner core, be fixedly connected with by being connected ring between described piston bush and inner core.

Compared with prior art, this bar machining machine tool on bed ways between thimble seat and main spindle box place be provided with clamping device, feeding clamping movement can be done in work pieces process simultaneously, avoid the elongated bar stock workpiece axiality that lower bending deformation causes in the course of processing and the deviation of circularity, not only ensure that machining accuracy and improve work efficiency.

Accompanying drawing explanation

Fig. 1 is the structural representation of this bar machining machine tool.

Fig. 2 is the structural representation of clamping device in this bar machining machine tool.

In figure, 1, lathe bed；2, guide rail；3, main spindle box；4, tailstock；5, thimble；6, main card dish；7, supporting plate；8, clamping device；9, main body；10, vice card dish；11, clamp block；12, clamp；13, inner core；14, bearing block；15, bearing；16, oil pocket；17, piston bush；18, oil-in；19, oil-out；20, ring is connected.

Detailed description of the invention

The following is specific embodiment of the utility model and combine accompanying drawing, the technical solution of the utility model is further described, but this utility model is not limited to these embodiments.

Such as Fig. 1, shown in Fig. 2, this bar machining machine tool includes lathe bed 1 and the guide rail 2 being arranged on lathe bed 1 and main spindle box 3, main spindle box 3 is positioned at lathe bed 1 one end, the other end of lathe bed 1 is provided with and can be provided with, on the tailstock 4 of movement and tailstock 4, the thimble 5 that can prop up workpiece on guide rail 2, main card dish 6 that is that be oppositely arranged with thimble 5 and that can clamp workpiece is installed on main spindle box 3, between thimble 5 and main card dish 6, supporting plate 7 it is provided with on guide rail 2, it is fixed with on supporting plate 7 and is available for workpiece and penetrates and can clamp the clamping device 8 of workpiece, main card dish 6, the work of supporting plate 7 and clamping device 8 is by numerical control programming control.

The operation principle of this bar machining machine tool is as follows: first through clamping device 8 and go deep in main card dish 6 by one end of bar work, main card dish 6 clamps workpiece end, the other end of bar work is resisted against on thimble 5, and clamping device 8 moves near main card Pan6Chu with supporting plate 7；Then the member grip workpiece in clamping device 8, after lathe is started working, main card dish 6 rotates together with following workpiece with the parts in clamping device 8, cutter on lathe starts surface of the work is carried out machining, after processing one procedure, clamping device 8 unclamp workpiece and simultaneously forward impelling to behind the region processed, clamping workpiece rotating with workpiece, until machining again.Arranging of clamping device 8 well avoids the elongated bar stock workpiece axiality that lower bending deformation causes in the course of processing and the deviation of circularity, not only ensure that machining accuracy and improves work efficiency.

Describe in detail further, the clamping device 8 of this bar machining machine tool includes main body 9 and is arranged at the vice card dish 10 of main body 9 one end, on the outer face of vice card dish 10, circumference is distributed several clamp blocks 11, clamp 12 are installed in clamp block 11, vice card dish 10 is internally provided with the inner core 13 that can control clamp block 11 opening and closing, it is provided with bearing block 14 in main body 9 and bearing block 14 one end is stretched in vice card dish 10, bearing block 14 one end is connected by spline between inner core 13, it is provided with several bearings 15 between the other end and the main body 9 of bearing block 14, piston bush 17 it is provided with in offering oil pocket 16 and fuel tank in main body 9, the oil-in 18 and oil-out 19 being connected with oil pocket 16 it is provided with on main body 9 outer wall, one end that piston bush 17 stretches out outside oil pocket 16 is connected with inner core 13.

Describing in detail further, the clamp block of this bar machining machine tool 11 is inclined plane with the contact surface with inner core 13, is fixedly connected with by being connected ring 20 between piston bush 17 with inner core 13.

Specific embodiment described herein is only to this utility model spirit explanation for example.Described specific embodiment can be made various amendment or supplements or use similar mode to substitute by this utility model person of ordinary skill in the field, but without departing from spirit of the present utility model or surmount scope defined in appended claims.

Although the most more employing lathe bed 1, guide rail 2, main spindle box 3, tailstock 4, thimble 5, main card dish 6, supporting plate 7, clamping device 8, main body 9, vice card dish 10, clamp block 11, clamp 12, inner core 13, bearing block 14, bearing 15, oil pocket 16, piston bush 17, oil-in 18, oil-out 19, connecting the terms such as ring 20, but it is not precluded from using the probability of other term.Use these terms to be only used to more easily and describe and explain essence of the present utility model；It is all contrary with this utility model spirit for being construed as any additional restriction.

Claims

null1. a bar machining machine tool，The guide rail (2) including lathe bed (1) and being arranged on lathe bed (1) and main spindle box (3)，Described main spindle box (3) is positioned at lathe bed (1) one end，The other end of described lathe bed (1) is provided with and can be provided with the thimble (5) that can prop up workpiece on the tailstock (4) of the upper movement of guide rail (2) and tailstock (4)，Main card dish (6) that is that be oppositely arranged with thimble (5) and that can clamp workpiece is installed on described main spindle box (3)，It is characterized in that，It is positioned between thimble (5) and main card dish (6) on described guide rail (2) and is provided with supporting plate (7)，It is fixed with on described supporting plate (7) and is available for workpiece and penetrates and can clamp the clamping device (8) of workpiece，Described main card dish (6)、The work of supporting plate (7) and clamping device (8) is by numerical control programming control.
nullA kind of bar machining machine tool the most according to claim 1，It is characterized in that，Described clamping device (8) includes main body (9) and is arranged at the vice card dish (10) of main body (9) one end，On the outer face of described vice card dish (10), circumference is distributed several clamp blocks (11)，In described clamp block (11), clamp (12) are installed，Described vice card dish (10) is internally provided with the inner core (13) that can control clamp block (11) opening and closing，It is provided with bearing block (14) in described main body (9) and bearing block (14) one end is stretched in vice card dish (10)，Described bearing block (14) one end is connected by spline between inner core (13)，It is provided with several bearings (15) between the other end and the main body (9) of bearing block (14)，It is provided with piston bush (17) in offering oil pocket (16) and fuel tank in described main body (9)，The oil-in (18) and oil-out (19) being connected with oil pocket (16) it is provided with on described main body (9) outer wall，Described piston bush (17) stretches out oil pocket (16) one end outward and is connected with inner core (13).
A kind of bar machining machine tool the most according to claim 2, it is characterised in that described clamp block (11) is inclined plane with the contact surface of inner core (13), is fixedly connected with by being connected ring (20) between described piston bush (17) and inner core (13).