CN201776377U

CN201776377U - Regulating mechanism for engagement clearance between gears of box body of numerically-controlled spring coiling machine

Info

Publication number: CN201776377U
Application number: CN2010205315842U
Authority: CN
Inventors: 赵显恒
Original assignee: LUOYANG XIANHENG NUMERICAL CONTROL MACHINE TOOL CO Ltd
Current assignee: LUOYANG XIANHENG NUMERICAL CONTROL MACHINE TOOL CO Ltd
Priority date: 2010-09-13
Filing date: 2010-09-13
Publication date: 2011-03-30
Anticipated expiration: 2020-09-13

Abstract

The utility model belongs to the technical field of spring coiling machines, which mainly relates to a regulating mechanism for an engagement clearance between the gears of a box body of a numerically-controlled spring coiling machine. The regulating mechanism of the engagement clearance of the gears of the box body of the numerically-controlled spring coiling machine is provided with an eccentric sleeve (9), wherein the eccentric sleeve (9) is arranged in an installing hole of a box body (4) of a machine tool and is provided with an inner hole, and the inner hole of the eccentric sleeve (9) is sleeved on a pair of driving wheels (7) the gears of which are engaged by a deep groove ball bearing (8) to form a structure which can regulate an engagement clearance between a driving gear (7) and a driven gear (5) by rotating the eccentric sleeve (9); and the driving gear (7) is connected with a servo motor (1) into a whole by a planet gear speed reducer (2). By rotating the angle of the eccentric sleeve, the utility model regulates the engagement clearance between the two engaged gears of the box body of the machine tool quickly and enhances the working efficiency.

Description

A kind of Digital Control Plane Roll-up Spring box body gear backlash governor motion

Technical field

The utility model belongs to the spring coiling machine technical field, relates generally to a kind of Digital Control Plane Roll-up Spring box body gear backlash governor motion.

Background technology

The pitch-row that a pair of phase gear is installed on the lathe casing be according to this to the computer center of gear apart from processing, the processing metapore is apart from being immutable, this is also immutable to the gear meshing backlash after the gear assembling is finished.This moment gear the backlash size when depending on (1) machining tool casing actual apertures apart from the error of gear computer center distance; The base tangent length of (2) two gears; (3) other (as the teeth directional deviation of the box body hole center line depth of parallelism, gear, tooth-formation of gear deviations etc.).

Noise is excessive even cause the vibrations of lathe casing in the time of will causing gear operation when the backlash of gear is excessive, if gear does forward and reverse motion and then cause the backhaul excesssive gap, and the requirement of Digit Control Machine Tool to positioning accuracy can not be satisfied in excessive backhaul gap; To cause gear wear aggravation when the backlash of gear is too small, transmission efficiency reduces, when serious even make the electric motor starting electric current excessive and lathe can not be run well.

Suitable backlash is arranged to satisfy the transmission requirement when making a pair of gears engaged, when design gear, not only will select less base tangent length tolerance, and will improve the machining accuracy of box body hole and the machining accuracy of gear.And the raising of machining accuracy certainly will make the production cost of lathe improve.

Summary of the invention

The purpose of this utility model is to propose a kind of Digital Control Plane Roll-up Spring box body gear backlash governor motion, can adjust the back lash of lathe casing two meshing gears fast, reduces labour intensity, increases work efficiency.

The utility model is finished the technical scheme that its invention task taked:

A kind of Digital Control Plane Roll-up Spring box body gear backlash governor motion, has an eccentric bushing, eccentric bushing is arranged in the installing hole of lathe casing, described eccentric bushing has endoporus, the endoporus of eccentric bushing is nested with on the driving gear of a pair of phase gear by deep groove ball bearing, constitutes the structure that the rotating eccentricity cover can be adjusted back lash between driving gear and the driven gear; Driving gear is connected one by planet-gear speed reducer with servomotor.

Owing to adopt technique scheme, the utlity model has following beneficial effect:

(1) the pitch-row machining tolerance that makes the Digital Control Plane Roll-up Spring box body that gear is installed is changed into to A ± 0.02mm by former A ± 0.01mm, has reduced the processing cost of casing;

(2) the machining accuracy grade of gear changes seven grades into by six grades of former GB10095-88, has reduced the processing cost of gear; (every its processing charges of raising one-level of the machining accuracy of gear increases by 35% approximately);

(3) be to guarantee that the reverse backhaul gap of Digital Control Plane Roll-up Spring machine gear is less than 8arcmin, must measure and match suitable coupling gear to the base tangent length value after the Gear Processing before this and just can install, but because other trueness errors of the mismachining tolerance of box body hole distance and gear make the backlash after gear assembles still be difficult to reach requirement; Can guarantee that the debugging of gear once mounting can obtain desirable backlash after adopting the utility model technology.Reduce labour intensity widely and improved operating efficiency.

Description of drawings

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is the structural representation of this practical eccentric bushing.

Fig. 3 is the side view of Fig. 2.

Among the figure: 1, servomotor, 2, planetary reducer, 3, connecting plate, 4, the lathe casing, 5, driven gear, 6, axle, 7, driving gear, 8, the zanjon bearing, 9, eccentric bushing, 10, screw.

The specific embodiment

With embodiment the utility model is further specified in conjunction with the accompanying drawings:

As shown in Figure 1, in conjunction with Fig. 2,3, a kind of Digital Control Plane Roll-up Spring box body gear backlash governor motion, has an eccentric bushing 9, eccentric bushing 9 is fastened on by screw 10 in the installing hole of lathe casing 4, and described eccentric bushing 9 has endoporus, and the eccentric bushing endoporus of eccentric bushing 9 is with respect to the outer garden of eccentric bushing off-centre, the endoporus of eccentric bushing 9 is nested with on the driving wheel 7 of a pair of phase gear by deep groove ball bearing 8, and the rotating eccentricity cover can be adjusted the back lash between driving gear 7 and the driven gear 5; Driving gear 7 is A with the centre-to-centre spacing of driven gear 5, and driving gear 7 is connected one by planet-gear speed reducer 2 with servomotor 1, and servomotor 1 and planet-gear speed reducer 2 are fixed on the lathe casing 4 by connecting plate 3.

Claims

1. Digital Control Plane Roll-up Spring box body gear backlash governor motion, it is characterized in that: have an eccentric bushing (9), eccentric bushing (9) is arranged in the installing hole of lathe casing (4), described eccentric bushing (9) has endoporus, the endoporus of eccentric bushing (9) is nested with on the driving wheel (7) at a pair of phase gear by deep groove ball bearing (8), constitutes the structure that rotating eccentricity cover (9) can be adjusted back lash between driving gear (7) and the driven gear (5); Driving gear is connected one by planet-gear speed reducer (2) with servomotor (1).