CN205851890U

CN205851890U - The cutter driving device of lathe

Info

Publication number: CN205851890U
Application number: CN201620716057.6U
Authority: CN
Inventors: 汪文星
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-07-08
Filing date: 2016-07-08
Publication date: 2017-01-04
Anticipated expiration: 2026-07-08

Abstract

This novel cutter driving device about a kind of lathe, a kind of cutter driving device of lathe, described lathe has a table, a spindle drum, a tailstock, a driving means, a drive mechanism and one and controls device, described tailstock is equiped with at least one cutter and power connects described drive mechanism, described control device is electrically connected with described driving means, it is characterized in that: described driving means comprises a main motor and an adjustable speed motor, driving described spindle drum to rotate to be main motor, driving described cutter turn is adjustable speed motor.Thereby, reach real-time adjustment of rotational speed and reduce the purpose of belt deterioration.

Description

The cutter driving device of lathe

Technical field

This most novel relevant a kind of lathe, a kind of is installed in tail stock and the cutter drives for interior hole machined fills Put.

Background technology

Existing tradition lathe, such as lathe, carries out precision cutting, holes or embossing etc., make work pieces process become workpiece Various finished part, described lathe comprises a table, fast headstock, cutter tower seat, tailstock, control device and drive mechanism, wherein Fast headstock is provided with chuck to clamp workpiece, and table is provided with track and moves on track for the tailstock being configured thereon that, tailstock can The installing top heart is to withstand the workpiece clamped by chuck, or the instrument such as drill bit, fraising cutter of can installing carries out the work of interior hole machined, And control device and control the d.c. motor that is configured in lathe and transmission component simultaneously drives fast headstock and rotates and/or be installed in The Tool advance of cutter tower seat moves.

When workpiece carries out interior hole machined, control device and rotate except drive shaft platform, and simultaneously drive and be installed in tail Interior aperture knife tool on seat, such as drill bit；It controls aforementioned d.c. motor transmission power to driver also through controlling device Structure, and connect bit that belt drives is configured on tailstock to carry out interior hole machined, so, though d.c. motor is exportable relatively Big power and do not limited by supply frequency and produce high speed rotating, and easily controllable advantage, but clamp work in correspondence Carrying out in the endoporus course of processing under the fast headstock height rotating speed of part, the interior aperture knife tool being assemblied in tailstock often needs modulation rotating speed, then Person, because the characteristic of d.c. motor causes the situation of shake, if coordinating the mechanism of low rigidity, as time rule belt, its feelings rocked Condition can become apparent from, and this problem, in addition to the problem that impact is rocked, more causes belt deterioration to be significantly increased to reduce the longevity used Life, and belt replacing to be carried out or motor maintenance etc. operation, because the connected belt of d.c. motor is configured at lathe Inside, repairs or replaces operation under complete situation of getting the raw materials ready and need to expend the man-hour of one day, does not meets productivity effect in fact；This It is the most in addition improver, how to solve above-mentioned problem points, become the required research of this creator and the target improved.

Utility model content

This novel main purpose is to provide the cutter driving device of a kind of lathe, and it is using servo motor as being assemblied in tail The driving structure design of the interior aperture knife tool of seat, reaches real-time adjustment of rotational speed, the purpose of reduction belt deterioration.

In order to reach above-mentioned purpose, the cutter driving device of this kind of lathe of novel offer, described lathe has one Platform, a spindle drum, a tailstock, a driving means, a drive mechanism and one control device, and described tailstock is equiped with at least one cutter And power connects described drive mechanism, described control device is electrically connected with described driving means, it is characterised in that: described driving fills Putting and comprise a main motor and an adjustable speed motor, drive described spindle drum to rotate to be main motor, driving described cutter turn to be can Governor motor.

Described in an embodiment, wherein adjustable speed motor is a servo motor.

Described in an embodiment, wherein adjustable speed motor is installed in the outside of described table, and it is outside described table Group is provided with one and fixes seat, and fixing seat is equipped with screw, so that adjustable speed motor is locked on fixing seat.

Described in an embodiment, wherein it is installed in the adjustable speed motor outside described lathe and connects a belt pulley and a biography Dynamic belt, this driving belt power connects described drive mechanism.

Described in an embodiment, wherein the positioning precision of adjustable speed motor is positive and negative 0.05 °.

Described in an embodiment, wherein the power of adjustable speed motor from lathe or connects an external power source.

The cutter driving device of this novel described lathe has more following effect: when being effectively reduced to interior hole machined operation Frequently transmission speed converts the high attrition rate of caused driving belt, and in the lathe fixing seat of outside installing with fixing adjustable speed Motor, operating personnel can disassemble without complete machine at any time, directly can carry out the maintenance of the replacing of driving belt, servo motor in outside Or change, inspection side or the time of maintenance can be greatly decreased.

Accompanying drawing explanation

Fig. 1 is the lathe stereoscopic figure of this novel tool cutter driving device of tool.

Fig. 2 is the side view of the lathe of this novel tool cutter driving device of tool.

Fig. 3～4 for this most novel carry out interior hole machined time cutter mobile status figure.

Wherein reference is:

10 ... table

11 ... track

20 ... spindle drum

21 ... chuck

30 ... tailstock

31,32 ... cutter

40 ... slide track seat

50 ... driving means

51 ... main shaft drives assembly

511 ... main motor

52 ... cutter drives assembly

520 ... fixing seat

521 ... adjustable speed motor

522 ... belt pulley

523 ... driving belt

60 ... control device

70 ... drive mechanism

L ... radial displacement

S ... working substance

Detailed description of the invention

The detailed description novel about this and technology contents, coordinate graphic being described as follows, but institute's accompanying drawings only provide ginseng Examine and use is described, being not used for this novel person of being any limitation as.

Referring to shown in Fig. 1, the tailstock driving means of this kind of lathe of novel offer, Fig. 1 is that this Novel tailstock controls dress Putting the combination schematic diagram being installed in lathe, it essentially consists in: lathe comprises a table 10 and both sides are provided with a spindle drum 20, Tailstock 30 and couple a slide track seat 40 of tailstock 30, tailstock 30 is configured with the multiple cutters (31,32) for carrying out interior hole machined, Such as drill bit of inner bolt hole processing, or the cutter of screw tapping etc., and lathe configures between spindle drum 20 and tailstock 30 There is a cutter tower seat (not shown), and the front of lathe controls device corresponding to being provided with a driving means 50 and at spindle drum 10 60；Wherein the power of lathe can be provided by motor, and is from top to bottom provided with track 11 outside table 10.

From the above, spindle drum 20 comprises a power transmission shaft (not shown) of a chuck 21 and connecting clip, this power transmission shaft (figure Do not show) driven by above-mentioned driving means 50 and drive chuck 21 to rotate, chuck 21 is available for clamping a workpiece S；And slide track seat 40 Bottom is corresponding to being provided with chute (not shown), so that tailstock 30 can be in track by slide track seat 40 at the track 11 of table 10 Sliding back and forth on 11.

Coordinating refering to shown in Fig. 2 to Fig. 4, this novel cutter driving device is this novel technical characteristic institute the most simultaneously , control driving means 50 by the control device 60 being configured in lathe, and be configured at the driver near tailstock 30 Structure 70, the cutter (31,32) rotating to order about spindle drum 20 respectively, ordering about on tailstock 30 towards the propelling of spindle drum 20 direction or drives The cutter (31,32) on tailstock 30 is made to rotate to carry out interior hole machined operation.

From the above, driving means 50 includes two independent driving assemblies, its be a main shaft drives assembly 51 and One cutter drives assembly 52, and main shaft drives assembly 51 comprises the main motor of be located in lathe 511 and transmission component (is schemed not Show), such as power transmission shaft, gear, driving belt etc., the most main motor 511 is selected from a d.c. motor or an alternating current motor；Preferably Ground, it is a d.c. motor and is electrically connected with and controls device 60 and rotate with drive shaft seat 20, so that the processing on chuck 21 Thing S rotates, and drive mechanism 70 comprises a push broach unit (not shown), a tool changing unit (not shown) and a power transmission shaft, and (figure is not Show), heap cutter unit moves towards working substance S along radial path L in order to the cutter of pushing and withstanding correspondence working substance S, and tool changing unit group connects Each cutter (31,32) converts cutter 31 or the cutter 32 of corresponding working substance S with round robin, and power transmission shaft power connects cutter Tool drives assembly 52 to rotate to order about cutter (31,32).

From the above, cutter drives assembly 52 is then driven by another independent adjustable speed motor 521；By table 10 Outside group sets a fixed plate 520, the such as set of locations outside slide track seat 40 and sets fixed plate 520, and fixed plate 520 is provided with screw Being fixed in outside lathe with screwed lock for cutter drives assembly 52, wherein this adjustable speed motor 521 is a servo motor (Servo Motor), such as DC servomotor, permanent magnetic Ac servo motor or sensing AC servomotor, it is not intended at this；And cutter Tool drives assembly 52 to further include belt pulley 522 and the driving belt 523 connecting aforementioned servo motor, driving belt 523 with Drive mechanism 70 power connects and rotates ordering about cutter 31, such as in order to the drill bit of interior hole machined, and servo motor is electrically connected with Control device 60, to provide motor power or to connect an external power supply, such as electromotor, be not intended at this.

Control device 60 and include the (not shown) such as switch handle, shift knob, Touch Screen, use and carry out assembly action Control, and control device 60 and more can include an operation interface (not shown) and carry out processor setting and a control for operator Device 60 processed is electrically connected with driving means 50, as controlling its running and coordinating its operational relationship.

When carrying out interior hole machined operation, the side in the corresponding working substance S of tailstock 30 can install the cutter 31 of correspondence, and leads to The operation interface crossing control device 60 is processed travel settings, sets main shaft drives assembly 51 and cutter according to processor Drive assembly 52 to rotate with drive shaft seat 20 respectively, promote corresponding cutter to advance towards working substance S, simultaneously, be external in car Adjustable speed motor 521 outside Chuan rotates, and is revolved to order about cutter 31 by belt pulley 521, driving belt 522 and drive mechanism 70 Turn, so that working substance S is carried out interior hole machined.

From the above, utilize servo motor as the rotating driving device of interior aperture knife tool because of the high response of servo motor Speed, can reach high rotating speed in very short time, and the speed operating range of servo motor is the broadest, about can reach 3000rpm～5000rpm and its transient torque can reach 3～5 times of nominal torque, so portion can be because of speed when speed adjusts Relation and make torque change, and servo motor select positioning precision can be between ± 0.05 °～± 0.1 °, can be effective It is reduced to the high attrition rate of the caused driving belt of transmission 522 during interior hole machined operation, although and servo motor is frequent in height Short distance be set to and have location and adjust and produce the problem rocked, but in order to as the instrument (31,32) of hole machined in driving Cutter rotate on, aforesaid problem then will not affect, furthermore is external in the cutter drives assembly 52 outside lathe, operation Personnel can disassemble without complete machine at any time, directly can carry out the replacing of driving belt 522, the maintenance of servo motor or more in outside Change, inspection side or the time of maintenance can be greatly decreased.

In sum, the cutter driving device of this novel lathe, really can reach intended application target, and solve known Disappearance, again because of great novelty and progressive, comply fully with new patent application important document, filing an application according to Patent Law in whence, respects Please detailed survey grant quasi-this case patent, to ensure the right of creator.

Claims

1. a cutter driving device for lathe, described lathe have a table, a spindle drum, a tailstock, a driving means, one Drive mechanism and one controls device, and described tailstock is equiped with at least one cutter and power connects described drive mechanism, described control Device is electrically connected with described driving means, it is characterised in that:

Described driving means comprises a main motor and an adjustable speed motor, drives described spindle drum to rotate to be this main motor, drives Described cutter turn is this adjustable speed motor.

2. the cutter driving device of lathe as claimed in claim 1, it is characterised in that this adjustable speed motor is a servo horse Reach.

3. the cutter driving device of lathe as claimed in claim 1, it is characterised in that this adjustable speed motor is installed in described car The outside of bed.

4. the cutter driving device of lathe as claimed in claim 3, it is characterised in that be equiped with outside described table and fix Seat, this fixing seat is equipped with screw, so that this adjustable speed motor is locked on this fixing seat.

5. the cutter driving device of lathe as claimed in claim 4, it is characterised in that this being installed in outside described lathe can Governor motor connects a belt pulley and a driving belt, and this driving belt power connects described drive mechanism.

6. the cutter driving device of lathe as claimed in claim 1, it is characterised in that the positioning precision of this adjustable speed motor is Positive and negative 0.05 °.

7. the cutter driving device of lathe as claimed in claim 1, it is characterised in that this main motor is a d.c. motor.

8. the cutter driving device of lathe as claimed in claim 1, it is characterised in that the power source of this adjustable speed motor is next From described lathe.

9. the cutter driving device of lathe as claimed in claim 1, it is characterised in that the power of this adjustable speed motor is for connecting One external power source.