CN201283430Y

CN201283430Y - Meter lathe for turning of crown face

Info

Publication number: CN201283430Y
Application number: CNU2008201666768U
Authority: CN
Inventors: 冯毅峰
Original assignee: CIXI FENGYING ELECTROACOUSTIC COMPONENTS Co Ltd
Current assignee: CIXI FENGYING ELECTROACOUSTIC COMPONENTS Co Ltd
Priority date: 2008-11-03
Filing date: 2008-11-03
Publication date: 2009-08-05
Anticipated expiration: 2018-11-03

Abstract

The utility model relates to an instrument lathe for the circular surface turning processing, which comprises a lathe body, a work piece clamping mechanism, a big transverse carriage and a small longitudinal carriage, and further comprises a circular surface cutting device, wherein the circular surface cutting device comprises a revolving platform, a cutter carrier and a revolving handle which drives the revolving platform to rotate, wherein the revolving platform is arranged on the small longitudinal carriage through a rotation shaft, the cutter carrier is fixed on the revolving platform in an eccentric mode, a lathe cutter is arranged on the cutter carrier, the revolving handle is rotated to enable the cutter point of the lathe cutter to do circular motion on the horizontal surface which is parallel to the revolving platform, and the circular surface is turned on the processing work piece. The instrument lathe has the beneficial effects that a circular surface turning device is added on an existing instrument lathe, and then the circular surface turning processing can be realized, the device has low cost, simple and feasible operation and quick manufacturing speed, and the distance between the lathe cutter point and the central line of the rotation shaft is adjustable, and the instrument lathe can be used for processing the circular surfaces with different arc radiuses, and has good adaptability.

Description

The instrument lathe that is used for arc surface turning processing

Technical field

The utility model relates to a kind of turning equipment, specifically is meant a kind of instrument lathe that carries out arc surface turning processing.

Background technology

In the machine-building process, often running into needs processing to have the situation of arc surface workpiece, for example magnetic conductor in the loudspeaker (T shape iron).Be generally used for the general instrument lathe of turning processing, it comprise workpiece grip mechanism, clamping device rotary drive mechanism, saddle and driving mechanism thereof, upper slide rest and driving mechanism thereof, be fixed on the knife rest on the upper slide rest and be fixed on lathe tool on the knife rest, the lathe tool of general instrument lathe can only traverse feed and/or length feed, and is powerless to the processing of arc surface; Existing numerically controlled lathe has can process various complex surfaces and the high characteristics of machining accuracy, but the numerically controlled lathe equipment cost is very high, and the single-piece work overlong time, working (machining) efficiency is low, is not suitable for to produce the product that has arc surface as loudspeaker magnetic conductor etc. in enormous quantities.

Summary of the invention

The utility model is improved existing general instrument lathe at solving the problem that prior art exists, and a kind of arc surface turning processing instrument lathe is provided, and its equipment cost is low, and is simple to operate and process velocity is fast.

The technical solution adopted in the utility model is:

A kind of instrument lathe that is used for arc surface turning processing, comprise vehicle body, workpiece grip mechanism, horizontal saddle and vertical upper slide rest, it also is provided with an arc surface topping machanism, described arc surface topping machanism comprises revolving dial, knife rest and drives the rotary handle that revolving dial rotates, described revolving dial is installed on vertical upper slide rest by rotating shaft, knife rest off-centre is fixed on the revolving dial, lathe tool is installed on the knife rest, rotate rotary handle and make the point of a knife of lathe tool on the horizontal plane parallel, do circular motion, on workpiece, cut arc surface with revolving dial.

The point of a knife of described lathe tool can be according to the arc radius adjustment of arc surface on the workpiece to the horizontal range of shaft centerline.

It also is provided with a horizontal saddle position-limit mechanism, and this position-limit mechanism is the screw rod that is fixed on the lathe bed, when laterally saddle arrives the precalculated position and screw rod offset limited.

It also is provided with the transverse translation mechanism of the horizontal saddle of a drive, transverse translation mechanism comprises connecting rod, rotating disk and turning arm, described connecting rod one end and laterally saddle flexible connection, and the other end and rotating disk are eccentric to flexibly connect, rotating disk is rotationally connected by rotating shaft and vehicle body, and turning arm drives dial rotation.

The beneficial effects of the utility model are: add the arc surface topping machanism on existing instrument lathe, can realize arc surface turning processing, equipment cost is low, and is easy to operation, and process velocity is fast; Lathe tool point of a knife and shaft centerline distance are adjustable, can be used to process the arc surface of different arc radius, and adaptability is good.

Description of drawings

Fig. 1 is the side direction structural representation of the utility model when saddle leaves position-limit mechanism;

Fig. 2 is the utility model bowing to schematic diagram when saddle leaves position-limit mechanism;

Fig. 3 is the side schematic view of the utility model when the limited mechanism of saddle location;

Bowing when Fig. 4 locatees in the limited mechanism of saddle for the utility model to schematic diagram.

The specific embodiment

The utility model is described in further detail below in conjunction with embodiment and accompanying drawing:

Referring to Fig. 1 to Fig. 4, a kind of instrument lathe that is used for arc surface turning processing comprises vehicle body 1, workpiece grip mechanism 2, horizontal saddle 3 and vertical upper slide rest 4, and workpiece grip mechanism also has rotary drive mechanism, drives the workpiece rotation.The utility model is improved on existing instrument lathe basis, improvements are: it also is provided with an arc surface topping machanism 5, described arc surface topping machanism 5 comprises revolving dial 51, the rotary handle 53 that knife rest 52 and drive revolving dial 51 rotate, revolving dial 51 is installed on vertical upper slide rest 4 by rotating shaft 54, knife rest 52 off-centre are fixed on the revolving dial 51, lathe tool 6 is installed on the knife rest 52, rotate point of a knife that rotary handle 53 makes lathe tool 6 and on the horizontal plane parallel, do circular motion with revolving dial 51, on workpiece, cut arc surface, the point of a knife of lathe tool 6 arc radius of arc surface on the horizontal range of rotating shaft 54 center lines and the workpiece equates, the point of a knife of lathe tool 6 can guarantee to cut the arc surface of predetermined arc radius according to the arc radius adjustment of arc surface on the workpiece to the horizontal range of rotating shaft 54 center lines.For the ease of revolving dial 51 is installed, also be fixed with fixed head 511 on the upper slide rest 4, rotating shaft 54 vertically is fixed on the fixed head 511, and revolving dial 51 is set in the rotating shaft 54 rotationally.

Horizontal saddle position-limit mechanism 7 is set on lathe bed 1, when horizontal saddle 3 arrival precalculated positions are also limited, lathe tool 6 can process accurate arc surface on to be processed, position-limit mechanism can adopt the screw rod that is fixed on the lathe bed, when horizontal saddle 3 arrives precalculated positions and screw rod offset limited.

The instrument lathe that is used for the turning arc surface of the present utility model, it also is provided with the transverse translation mechanism 8 of the horizontal saddle 3 of a drive, transverse translation mechanism 8 comprises connecting rod 81, rotating disk 82 and turning arm 83, described connecting rod 81 1 ends and laterally saddle 3 flexible connections, the other end and rotating disk 82 eccentric flexible connections, rotating disk 82 is rotationally connected by rotating shaft 84 and vehicle body 1, and turning arm 83 drives rotating disk 82 and rotates.

Course of action is as follows: referring to Fig. 1, Fig. 2, during original state, lathe tool 6 is away from workpiece grip mechanism 2, workpiece is put into workpiece grip mechanism 2 and the automatic clamped condition that keeps of locking, start rotating mechanism, drive workpiece grip mechanism 2 and drive the workpiece rotation, pull the turning arm 83 of transverse translation mechanism 8, drive rotating disk 82 and rotate, promptly by moving towards position-limit mechanism with the horizontal saddle of the eccentric connecting rod that is connected 81 promotions of rotating disk 4; Referring to Fig. 3, Fig. 4, when saddle 3 and position-limit mechanism 7 offset, the point of a knife of lathe tool 6 is that the inboard starting point of the horizontal circular arc of arc surface begins incision from the mesopore of workpiece, pull rotary handle 53 clockwise, the lathe tool point of a knife is the center of circle with rotating shaft 54, with point of a knife to rotating shaft 54 center line horizontal ranges is that radius is done circular motion, because workpiece is in rotation at a high speed, the lathe tool point of a knife is in doing the process of circular motion, the surface of the work car is gone out arc surface, and single-piece workpiece completion of processing is drawn back saddle 3 by transverse translation mechanism 8 lathe tool 6 is separated with workpiece, unclamp workpiece grip mechanism 2, take off finished work, the new workpiece to be processed of packing into enters next working cycles.

Claims

1. one kind is used for the instrument lathe that arc surface turning is processed, comprise vehicle body (1), workpiece grip mechanism (2), laterally saddle (3) and vertically upper slide rest (4), it is characterized in that: it also is provided with an arc surface topping machanism (5), described arc surface topping machanism (5) comprises revolving dial (51), the rotary handle (53) that knife rest (52) and drive revolving dial (51) rotate, described revolving dial (51) is installed on vertical upper slide rest (4) by rotating shaft (54), knife rest (52) off-centre is fixed on the revolving dial (51), lathe tool (6) is installed on the knife rest (52), rotate rotary handle (53) and make the point of a knife of lathe tool (6) on the horizontal plane parallel, do circular motion, on workpiece, cut arc surface with revolving dial (51).

2. a kind of arc surface turning processing instrument lathe as claimed in claim 1, it is characterized in that: the point of a knife of described lathe tool (6) can be according to the arc radius adjustment of arc surface on the workpiece to the horizontal range of rotating shaft (54) center line.

3. a kind of instrument lathe that is used for arc surface turning processing as claimed in claim 1 or 2, it is characterized in that: it also is provided with a horizontal saddle position-limit mechanism (7), this position-limit mechanism is the screw rod that is fixed on the lathe bed, when laterally saddle arrives the precalculated position and screw rod offset limited.

4. a kind of instrument lathe that is used for arc surface turning processing as claimed in claim 1 or 2, it is characterized in that: it also is provided with the transverse translation mechanism (8) of a horizontal saddle of drive (3), transverse translation mechanism (8) comprises connecting rod (81), rotating disk (82) and turning arm (83), described connecting rod (81) one ends and laterally saddle (3) flexible connection, the other end and rotating disk (82) are eccentric to flexibly connect, rotating disk (82) is rotationally connected by rotating shaft (84) and vehicle body (1), and turning arm (83) drives rotating disk (82) and rotates.

5. a kind of instrument lathe that is used for arc surface turning processing as claimed in claim 3, it is characterized in that: it also is provided with the transverse translation mechanism (8) of a horizontal saddle of drive (3), transverse translation mechanism (8) comprises connecting rod (81), rotating disk (82) and turning arm (83), described connecting rod (81) one ends and laterally saddle (3) flexible connection, the other end and rotating disk (82) are eccentric to flexibly connect, rotating disk (82) is rotationally connected by rotating shaft (84) and vehicle body (1), and turning arm (83) drives rotating disk (82) and rotates.