CN104227154A - Portable machining and observation integrated micro-miniature numerical control electric erosion machining machine tool - Google Patents

Portable machining and observation integrated micro-miniature numerical control electric erosion machining machine tool Download PDF

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Publication number
CN104227154A
CN104227154A CN201410379971.1A CN201410379971A CN104227154A CN 104227154 A CN104227154 A CN 104227154A CN 201410379971 A CN201410379971 A CN 201410379971A CN 104227154 A CN104227154 A CN 104227154A
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China
Prior art keywords
servo
module
stepping motor
rotating machine
linear stepping
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CN201410379971.1A
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Chinese (zh)
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CN104227154B (en
Inventor
韦东波
杨晓冬
刘晋春
岳晓明
白基成
郭永丰
迟关心
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哈尔滨工业大学
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Publication of CN104227154B publication Critical patent/CN104227154B/en

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Abstract

The invention relates to a portable machining and observation integrated micro-miniature numerical control electric erosion machining machine tool, belongs to the field of numerical control machine tools and aims at solving the problems that the size of the existing electric erosion machining machine tool is large and the existing electric erosion machining machine tool cannot be used for field video teaching demonstration. The portable machining and observation integrated micro-miniature numerical control electric erosion machining machine tool comprises a micro-miniature machine tool body structure, a servo feeding mechanism, a servo actuating mechanism, an elastic element and an electric control box, wherein the micro-miniature machine tool body structure comprises a portable light-weight transverse beam, a stand column, a workbench, a working fluid tank, a guide rail and a sliding block; the servo feeding mechanism comprises a linear stepping motor and a non-rigid connecting bulb; the servo actuating mechanism comprises a rotating motor, an electrode chuck and a rotating motor fixing rack; the electric control box is used for providing pulse voltage to the electrode chuck, detecting interpolar voltage between an electrode clamped by the electrode chuck and a device to be machined in the working fluid tank and controlling the linear stepping motor. The portable machining and observation integrated micro-miniature numerical control electric erosion machining machine tool is used in the electric machining field.

Description

Integrated microminiature numerical control galvanic corrosion machining tool is observed in portable processing

Technical field

The invention belongs to Digit Control Machine Tool field.

Background technology

Electric machining relies on its macroscopical active force little, noncontact processing, to many advantages such as material are applied widely in field of machining in occupation of critical positions, be widely used in the field such as Making mold, microfabrication, one of special processing technology be most widely used, but usually electrical process machine be all fixed, volume and weight is comparatively large, be not easy to portable carry and also cost high (tens0000 to hundreds of just in case platform), use technology costly.Even if small desk electrical process machine, be also not easy to portable carrying.For some difficult-to-machine material in research and production and difficult process requirements of processing nibs, if be designed to portable galvanic corrosion machining tool, then there is greater flexibility and practicality.

Summary of the invention

The present invention is large in order to solve existing galvanic corrosion machining tool volume, and can not be used for the problem of live video teaching demonstration, the invention provides portable processing and observes integrated microminiature numerical control galvanic corrosion machining tool.

Integrated microminiature numerical control galvanic corrosion machining tool is observed in portable processing, and it comprises miniature machine tool body construction, servo feed mechanism, servo actuator, flexible member and electric control box;

Described miniature machine tool body construction comprises portable light weight crossbeam, column, workbench, work tank, guide rail and slide block;

Servo feed mechanism comprises linear stepping motor and non-rigid connecting ball head;

Servo actuator comprises electric rotating machine, terminal clamp and electric rotating machine fixed mount;

One end of column is vertically fixed with portable light weight crossbeam, its other end is fixing on the table, workbench is provided with work tank, linear stepping motor is fixed on portable light weight crossbeam, and the ball-screw of linear stepping motor is through portable light weight crossbeam, the lower end of ball-screw is provided with non-rigid connecting ball head, and column is provided with guide rail near the sidewall of work tank, and ensure that guide rail is parallel with the ball-screw of linear stepping motor

Guide rail is slidably connected by slide block and electric rotating machine fixed mount, non-rigid connecting ball head is pressed in the upper surface of the upper mounted plate of electric rotating machine fixed mount, flexible member is clamping between portable light weight crossbeam and the upper mounted plate of electric rotating machine fixed mount, the bottom plate of electric rotating machine fixed mount is fixed with electric rotating machine, the rotating shaft of electric rotating machine passes the bottom plate of electric rotating machine fixed mount, and the rotation the tip of the axis of electric rotating machine is fixed with terminal clamp, pole clearance is formed between the device to be processed in electrode clamped by terminal clamp and work tank, electric control box is used for providing pulse voltage to terminal clamp, and the voltage across poles in electrode clamped by detecting electrode chuck and work tank between device to be processed, simultaneously also for controlling linear stepping motor.

Integrated microminiature numerical control galvanic corrosion machining tool is observed in described portable processing, and it also comprises video and audio devices, and video and audio devices are fixed on the sidewall at guide rail place, and is positioned at the below of guide rail,

Video and audio devices are used for the work state information of electrode and work tank clamped by acquisition electrode chuck, and the information of collection is delivered to mobile terminal.

Described electric control box comprises housing, servo detection module, servo control module, servo-driven module and power module, described servo detection module, servo control module, servo-driven module and power module are arranged in housing, power module is used for providing working power to terminal clamp, servo detection module, servo control module and servo-driven module

Servo detection module is for detecting voltage across poles, and the voltage across poles data of acquisition are sent to servo control module, servo control module is used for producing linear stepping motor control signal according to the data received and sends to servo-driven module, and servo-driven module is used for producing linear stepping motor drive singal according to the linear stepping motor control signal received and sends to linear stepping motor.

Described electric control box also comprises numeral method module, and this numeral method Module-embedding is at the front surface of housing, and the signal input part of numeral method module is connected with the display output of servo control module.

Principle analysis:

During processing parts, first in work tank, pure water is filled with, workpiece to be fixed in work tank on work rest, electric control box is adjusted to manual mode, regulate the spacing of electrode and workpiece in a manual mode, adjusting tool processing rule are accurate (thick, in, fine finishining rule are accurate) and corresponding electrical quantity, subsequently manual mode is switched to automatic mode to process, in process, machining state parameter is by numeral method in electric control box, video and audio devices monitor electric discharge phenomena in process and workpiece in real time, the shape of electrode and change in size, and carry out dimensional measurement by mobile terminal, for ease of monitoring.

For ensureing that discharging gap is in optimum state, the real-time detecting electrode of servo detection module in electric control box and voltage between workpiece, detection signal is inputed to servo control module, servo control module sends signal according to control strategy and controls servo-driven module, controls linear stepping motor and moves up and down to regulate gap length.In the process, non-rigid connecting ball head effectively eliminates servo feed resistance with non-rigid form connection linear stepping motor and electric rotating machine fixed mount; Flexible member gives electric rotating machine fixed mount pulling force upwards all the time in whole process in addition, effectively can eliminate mechanic transmission clearance, improves servo response speed and machining accuracy.

Portable processing observes integrated microminiature numerical control galvanic corrosion machining tool have the feature of " though sparrow is little; the five internal organs are various ", not only process requirements can be met, the dependence of the large-scale spark erosion equipment to somewhat expensive can also be broken away from, and working site can be carried to easily to process, there is very large flexibility.The present invention can be used as the portable electric spark machining tool for aperture and simple shape processing, for difficult-to-machine material various in research and production and difficult processing of processing nibs.

In addition the present invention also can be used as the teaching aid carrying out teaching demonstration and science popularization innovative education, the teaching method that realization theory combines with practice, and pass through the process of the information such as light, sound, electricity, student can be made to understand and experience spark machined phenomenon and process, its practical competence is improved and creativity consciousness has positive effect for the perceptual knowledge increasing student.

Portable processing of the present invention observes the machining accuracy of integrated microminiature numerical control galvanic corrosion machining tool be significantly improved, and not only lathe arbitrarily can be carried into scene and process, can also as the teaching aid of class demonstration teaching, novel electric control system allows user to select, change, combinationally use different processing power sources, different servo-drive modes and different servo detection methods, owing to adopting modularized processing, independent between each module exist, this modularized processing mode is convenient to carry out expansion upgrading to system in the future, module replacing and combinationally using.

Accompanying drawing explanation

Fig. 1 observes the structural representation of integrated microminiature numerical control galvanic corrosion machining tool for the portable processing described in detailed description of the invention one;

Fig. 2 is the principle schematic of the electric control box described in detailed description of the invention three.

Detailed description of the invention

Detailed description of the invention one: present embodiment is described see Fig. 1, integrated microminiature numerical control galvanic corrosion machining tool is observed in portable processing described in present embodiment, and it comprises miniature machine tool body construction, servo feed mechanism, servo actuator, flexible member 13 and electric control box 14;

Described miniature machine tool body construction comprises portable light weight crossbeam 2, column 3, workbench 8, work tank 9, guide rail 4 and slide block 5;

Servo feed mechanism comprises linear stepping motor 1 and non-rigid connecting ball head 12;

Servo actuator comprises electric rotating machine 11, terminal clamp 10 and electric rotating machine fixed mount 6;

One end of column 3 is vertically fixed with portable light weight crossbeam 2, its other end is fixed on workbench 8, workbench 8 is provided with work tank 9, linear stepping motor 1 is fixed on portable light weight crossbeam 2, and the ball-screw of linear stepping motor 1 is through portable light weight crossbeam 2, the lower end of ball-screw is provided with non-rigid connecting ball head 12, column 3 is provided with guide rail 4 near the sidewall of work tank 9, and ensure that guide rail 4 is parallel with the ball-screw of linear stepping motor 1, guide rail 4 is slidably connected by slide block 5 and electric rotating machine fixed mount 6, non-rigid connecting ball head 12 is pressed in the upper surface of the upper mounted plate of electric rotating machine fixed mount 6, flexible member 13 is clamping between portable light weight crossbeam 2 and the upper mounted plate of electric rotating machine fixed mount 6, the bottom plate of electric rotating machine fixed mount 6 is fixed with electric rotating machine 11, the rotating shaft of electric rotating machine 11 passes the bottom plate of electric rotating machine fixed mount 6, and the rotation the tip of the axis of electric rotating machine 11 is fixed with terminal clamp 10, pole clearance is formed between the device to be processed in electrode clamped by terminal clamp 10 and work tank 9, electric control box 14 provides pulse voltage for giving terminal clamp 10, and the voltage across poles in electrode clamped by detecting electrode chuck 10 and work tank 9 between device to be processed, simultaneously also for controlling linear stepping motor 1.

In present embodiment, galvanic corrosion machining tool of the prior art connects redundancy, and volume is large, and the device that portable processing of the present invention observes integrated microminiature numerical control galvanic corrosion machining tool adopt is few, and structure is simple, and volume is little, is easy to carry; And portable processing of the present invention observes integrated microminiature numerical control galvanic corrosion machining tool adopt Novel servo executing agency, namely utilize flexible member 13 to eliminate mechanic transmission clearance, this gap mainly contains following two kinds:

One, linear stepping motor 1 inside converts rotor rotational movement to lead screw straight-line by leading screw, therefore there is axial gap between leading screw and nut;

If two, larger hysterisis error will be there is without connector between the upper mounted plate of electric rotating machine fixed mount 6 and non-rigid connecting ball head 12.

Flexible member 13 one end is connected on portable light weight crossbeam 2 by the present invention, the other end is connected on electric rotating machine fixed mount 6, in servo feed, flexible member 13 applies to upper pulling force servo actuator all the time, therefore effectively can eliminate leading screw axial gap and hysterisis error between non-rigid connecting ball head 12 and electric rotating machine fixed head 6, improve servo response precision.

The present invention adopts the novel non-rigid connected mode eliminating the servo feed resistance that parallel misalignment brings between linear stepping motor 1 axle and guide rail 4 axle, namely non-rigid connecting ball head 12 is adopted between linear stepping motor 1 and electric rotating machine fixed mount 6 end face, be point cantact between non-rigid connecting ball head 12 and the upper mounted plate of electric rotating machine fixed mount 6, lathe is due to parts machining error, alignment error finally shows as parallelism error between linear stepping motor 1 axle and guide rail 4 axle, because non-rigid connecting ball head 12 effectively can eliminate the servo feed resistance that between servo drive motor axle in servo feed process and lead rail axis, parallelism error brings, therefore servo response accuracy and runtime can be improved, reduce the power of selected linear stepping motor simultaneously.

Detailed description of the invention two: present embodiment is described see Fig. 1, present embodiment and the portable processing described in detailed description of the invention one observe the difference of integrated microminiature numerical control galvanic corrosion machining tool be, it also comprises video and audio devices 7, video and audio devices 7 are fixed on the sidewall at guide rail 4 place, and be positioned at the below of guide rail 4

The information of collection for the work state information of electrode clamped by acquisition electrode chuck 10 and work tank 9, and is delivered to mobile terminal by video and audio devices 7.

Present embodiment, carries out real-time video display and audio select by video and audio devices 7 pairs of electric discharge phenomena, and delivers to mobile terminal, as computer, flat board, mobile phone etc., is convenient to observation, monitors and measure.

Detailed description of the invention three: present embodiment is described see Fig. 2, present embodiment and the portable processing described in detailed description of the invention one or two observe the difference of integrated microminiature numerical control galvanic corrosion machining tool be, described electric control box 14 comprises housing, servo detection module 14-1, servo control module 14-2, servo-driven module 14-3 and power module 14-4, described servo detection module 14-1, servo control module 14-2, servo-driven module 14-3 and power module 14-4 is arranged in housing, power module 14-4 is used for terminal clamp 10, servo detection module 14-1, servo control module 14-2 and servo-driven module 14-3 provides working power,

Servo detection module 14-1 is for detecting voltage across poles, and the voltage across poles data of acquisition are sent to servo control module 14-2, servo control module 14-2 is used for producing linear stepping motor control signal according to the data received and sends to servo-driven module 14-3, and servo-driven module 14-3 is used for producing linear stepping motor drive singal according to the linear stepping motor control signal received and sends to linear stepping motor 1.

In present embodiment, servo detection module 14-1 detects voltage across poles, and detected value is delivered to servo control module 14-2, servo control module 14-2 sends instruction according to control strategy and controls servo-driven module 14-3, and then regulate pole clearance size, power module 14-4 provides required power supply for each module, and provides the pulse power for machine tooling.This novel electric control box 14 feature is modularized processing, and independent between each module exist, and this modularized processing mode is convenient to carry out expansion upgrading, module replacing to system and lathe function structure in the future and combinationally use.

Detailed description of the invention four: present embodiment and the portable processing described in detailed description of the invention three observe the difference of integrated microminiature numerical control galvanic corrosion machining tool be, described workbench 8 is XY diaxon servo feed function platform, and electric control box 14 is also for control XY diaxon servo feed function Platform movement.

In present embodiment, workbench 8 can need to be replaced by the platform with XY diaxon servo feed function according to processing, owing to adopting modularized processing, only need to add corresponding servo control module in electric control box 14 and servo feed module can realize above-mentioned functions, be convenient to the expansion of machine tool structure function, and the replacing between module uses the normal use not affecting other modules.

Detailed description of the invention five: present embodiment and the portable processing described in detailed description of the invention three observe the difference of integrated microminiature numerical control galvanic corrosion machining tool be, described electric control box 14 also comprises numeral method module, this numeral method Module-embedding is at the front surface of housing, and the signal input part of numeral method module is connected with the display output of servo control module 14-2.

Claims (4)

1. integrated microminiature numerical control galvanic corrosion machining tool is observed in portable processing, and it is characterized in that, it comprises miniature machine tool body construction, servo feed mechanism, servo actuator, flexible member (13) and electric control box (14);
Described miniature machine tool body construction comprises portable light weight crossbeam (2), column (3), workbench (8), work tank (9), guide rail (4) and slide block (5);
Servo feed mechanism comprises linear stepping motor (1) and non-rigid connecting ball head (12);
Servo actuator comprises electric rotating machine (11), terminal clamp (10) and electric rotating machine fixed mount (6);
One end of column (3) is vertically fixed with portable light weight crossbeam (2), its other end is fixed on workbench (8), workbench (8) is provided with work tank (9), linear stepping motor (1) is fixed on portable light weight crossbeam (2), and the ball-screw of linear stepping motor (1) is through portable light weight crossbeam (2), the lower end of ball-screw is provided with non-rigid connecting ball head (12), column (3) is provided with guide rail (4) near the sidewall of work tank (9), and ensure that guide rail (4) is parallel with the ball-screw of linear stepping motor (1), guide rail (4) is slidably connected by slide block (5) and electric rotating machine fixed mount (6), non-rigid connecting ball head (12) is pressed in the upper surface of the upper mounted plate of electric rotating machine fixed mount (6), flexible member (13) is clamping between portable light weight crossbeam (2) and the upper mounted plate of electric rotating machine fixed mount (6), the bottom plate of electric rotating machine fixed mount (6) is fixed with electric rotating machine (11), the rotating shaft of electric rotating machine (11) passes the bottom plate of electric rotating machine fixed mount (6), and the rotation the tip of the axis of electric rotating machine (11) is fixed with terminal clamp (10), pole clearance is formed between the device to be processed in the clamped electrode of terminal clamp (10) and work tank (9), electric control box (14) provides pulse voltage for giving terminal clamp (10), and the voltage across poles between the clamped electrode of detecting electrode chuck (10) and the interior device to be processed of work tank (9), simultaneously also for controlling linear stepping motor (1).
2. integrated microminiature numerical control galvanic corrosion machining tool is observed in portable processing according to claim 1, it is characterized in that, it also comprises video and audio devices (7), video and audio devices (7) are fixed on the sidewall at guide rail (4) place, and be positioned at the below of guide rail (4)
The information of collection for the work state information of the clamped electrode of acquisition electrode chuck (10) and work tank (9), and is delivered to mobile terminal by video and audio devices (7).
3. integrated microminiature numerical control galvanic corrosion machining tool is observed in portable processing according to claim 1 and 2, it is characterized in that, described electric control box (14) comprises housing, servo detection module (14-1), servo control module (14-2), servo-driven module (14-3) and power module (14-4), described servo detection module (14-1), servo control module (14-2), servo-driven module (14-3) and power module (14-4) are arranged in housing, power module (14-4) is for giving terminal clamp (10), servo detection module (14-1), servo control module (14-2) and servo-driven module (14-3) provide working power,
Servo detection module (14-1) is for detecting voltage across poles, and the voltage across poles data of acquisition are sent to servo control module (14-2), servo control module (14-2) sends to servo-driven module (14-3) for producing linear stepping motor control signal according to the data received, and servo-driven module (14-3) sends to linear stepping motor (1) for producing linear stepping motor drive singal according to the linear stepping motor control signal received.
4. integrated microminiature numerical control galvanic corrosion machining tool is observed in portable processing according to claim 3, it is characterized in that, described electric control box (14) also comprises numeral method module, this numeral method Module-embedding is at the front surface of housing, and the signal input part of numeral method module is connected with the display output of servo control module (14-2).
CN201410379971.1A 2014-08-04 2014-08-04 Portable processing observation integration microminiature numerical control galvanic corrosion machining tool CN104227154B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106094726A (en) * 2016-06-22 2016-11-09 孟祥文 A kind of computer remote monitoring system based on Internet of Things
CN106670606A (en) * 2016-12-29 2017-05-17 桂林电子科技大学 Portable electric spark perforating machine based on single chip microcomputer control

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CN202367300U (en) * 2011-12-12 2012-08-08 江苏省艾格森数控设备制造有限公司 Electric spark forming machine
CN202684247U (en) * 2012-06-13 2013-01-23 健陞机电工业股份有限公司 Movable column type electric discharge machine
CN203621667U (en) * 2013-11-05 2014-06-04 苏州市鑫赢数控科技开发有限公司 Electric spark small hole machine tool

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CN1104408A (en) * 1993-04-06 1995-06-28 洛迦诺电子工业股份有限公司 Electrical discharge machining device
CN2576398Y (en) * 2002-11-11 2003-10-01 白羽 Portable electric spark processing machine
DE102008043940A1 (en) * 2008-11-20 2010-05-27 Robert Bosch Gmbh Device for the electrochemical machining of workpieces
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Publication number Priority date Publication date Assignee Title
CN106094726A (en) * 2016-06-22 2016-11-09 孟祥文 A kind of computer remote monitoring system based on Internet of Things
CN106670606A (en) * 2016-12-29 2017-05-17 桂林电子科技大学 Portable electric spark perforating machine based on single chip microcomputer control
CN106670606B (en) * 2016-12-29 2018-06-22 桂林电子科技大学 Based on monolithic processor controlled portable electric spark puncher

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Effective date of registration: 20190618

Address after: 150000 Heilongjiang Harbin Dalian economic and Trade Zone, the North Road and Xingkai Road intersection

Patentee after: Harbin University of Technology Robot Group Co., Ltd.

Address before: 150001 No. 92 West straight street, Nangang District, Heilongjiang, Harbin

Patentee before: Harbin Institute of Technology