CN104014788B - The servo-control mechanism of CNC mould bases - Google Patents
The servo-control mechanism of CNC mould bases Download PDFInfo
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- CN104014788B CN104014788B CN201410291405.5A CN201410291405A CN104014788B CN 104014788 B CN104014788 B CN 104014788B CN 201410291405 A CN201410291405 A CN 201410291405A CN 104014788 B CN104014788 B CN 104014788B
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Abstract
The present invention relates to powder metallurgy die carrier field, be specifically related to a kind of servo-control mechanism of CNC mould bases.The present invention proposes a kind of servo-control mechanism of CNC mould bases, and simplicity of design is ingenious, and without the need to manual setting, time saving and energy saving, safe and reliable, control accuracy is high, and operating efficiency improves greatly, has the good market competitiveness.Advantage of the present invention is simplicity of design, easy to use, time saving and energy saving, control servomotor by PLC and rotate, transition axis is driven by bevel gear set engagement, again by the worm shaft in transition axis drive elevating mechanism, and then drive the rotation of worm gear to drive the upper and lower CNC motion of lifting screw, then realize mould bases operation CNC control by stop nut and floating cylinder, safe and reliable, control accuracy is high, and operating efficiency improves greatly, has the good market competitiveness.
Description
Technical field
The present invention relates to powder metallurgy die carrier field, be specifically related to a kind of servo-control mechanism of CNC mould bases.
Background technology
Computernumericalcontrol: computer numerical control, be called for short CNC, powder metallurgy be produce metal dust or with metal dust (or mixture of metal dust and non-metal powder) as raw material, through being shaped and sintering, produce the industrial technology of metal material, composite and all kinds goods.At present, PM technique has been widely used in the fields such as traffic, machinery, electronics, Aero-Space, weapons, biology, new forms of energy, information and nuclear industry, becomes one of branch of most development vitality in new material science.PM technique possess significantly energy-conservation, economize the high and series of advantages such as good stability of material, excellent performance, Product Precision, be very suitable for producing in enormous quantities.In addition, the material that part conventional casting methods and machining process cannot be prepared and complex parts also available powders metallurgical technology manufacture, thus enjoy the attention of industrial quarters.The sintered metal product industry of broad sense has included iron-stone cutter, carbide alloy, magnetic material and sintered metal product etc.The sintered metal product industry of narrow sense only refers to sintered metal product, comprises powdered metal parts (accounting for the overwhelming majority), oiliness bearing and metal ejection formation goods etc.It is narrow scope that the industry that this report uses is delimited.
Powder compaction device mould bases, it is related to the problem such as quality, cost, safety and productivity ratio that sintered metal product is produced, and has extremely important impact to powder metallurgical technique and part.Because powder pressing method is a lot, powder compaction device is also varied.Can be divided into by drawing method difference: pressing die, die finish, multiple pressing mold, forge mould etc.Taxonomic structure schematic diagram and the deformation characteristics of powder compaction device is listed in table.The basic principle of powder metallurgy die design is: give full play to powder metallurgy few, without the process characteristic of machining and nearly formation shape, ensure that blank reaches 3 basic demands such as geometry and size, precision and surface roughness, density and distribution thereof, be pressing die, die finish, multiple pressing mold, forge mould all require so.Wherein, particularly suppressing base and the forging density of base and distribution problem thereof is the key technical indexes in Design of Dies; Reasonable design mould structure and select mold materials, makes mould parts have sufficiently high intensity, rigidity and hardness, has high wearability and service life, to meet the requirement of the reliable and convenient operation of high-pressure work vessel safety; Machinability and the interchangeability of mould structure and mould parts to be noted simultaneously, and reduce die manufacturing cost.Its design procedure and basic skills as follows: first understand and grasp related design data, as the important evidence of Design of Dies; Next carries out material design and technological design according to product requirement, carries out pressed compact design or preform design by product drawing, and selection pressure machine and pressing mode, designing mould structure sketch; Be basic foundation with blank size again, consider the change in size in technical process, calculate major die accessory size respectively, generally first calculate the size directly related with die cavity, then calculate other mould parts sizes according to die assembly relation; Finally draw assembly drawing of die and part drawing, the job requirement different according to all kinds of mould, dimensioning deviation and form and position tolerance, and select mold materials and technical requirement.
Traditional powder metallurgy die carrier runs and controls all to adopt manual setting mould bases, time-consumingly to take a lot of work and control accuracy is poor, and cannot meet the manufacture of the product of requirements at the higher level, the market competitiveness is poor.
Summary of the invention
In order to solve foregoing invention problem, the present invention proposes a kind of servo-control mechanism of CNC mould bases, and simplicity of design is ingenious, and without the need to manual setting, time saving and energy saving, safe and reliable, control accuracy is high, and operating efficiency improves greatly, has the good market competitiveness.
In order to reach foregoing invention object, the present invention proposes following scheme:
A kind of servo-control mechanism of CNC mould bases, it comprises mould bases, floating template, fixed form, elevating mechanism, transition axis, bevel gear set and servomotor, , floating template is contained in the middle of mould bases, fixed form is contained in mould bases lower end and is positioned at below floating template, below floating template two jiaos namely two jiaos, mould bases lower end have elevating mechanism to be contained on fixed form, described elevating mechanism comprises left elevating mechanism and right elevating mechanism, servomotor is contained in mould bases front end, servomotor connects transition axis by bevel gear set, transition axis connects the worm shaft of left elevating mechanism and right elevating mechanism.
Described elevating mechanism comprises cylinder piston rod, stop nut, lifting screw, worm-wheel shaft, worm gear, worm shaft and worm and gear seat, about two jiaos of fixed form are equipped with worm and gear seat, cylinder piston rod runs through upper and lower worm and gear seat and fixed form, stop nut is equipped with at the upper and lower two ends of cylinder piston rod, outside the upper and lower two ends of beam hanger piston rod, cover has lifting screw, lifting screw is fixedly connected on upper and lower stop nut, worm-wheel shaft is spun on outside lifting screw, the upper and lower two ends of worm-wheel shaft are fixed in worm and gear seat by bearing, in the middle of outside worm-wheel shaft, worm gear is housed, worm gear lateral ends is connected with a joggle worm shaft.
Described transition axis comprises cross transition axle and vertical transition axis, cross transition axle to be connected with a joggle servomotor by bevel gear set, cross transition axle left end is connected with a joggle by bevel gear set the worm shaft of left elevating mechanism, the right-hand member of cross transition axle to be connected with a joggle vertical transition axis by bevel gear set, and vertical transition axis connects the worm shaft of right elevating mechanism.
Advantage of the present invention is simplicity of design, easy to use, time saving and energy saving, control servomotor by PLC and rotate, transition axis is driven by bevel gear set engagement, again by the worm shaft in transition axis drive elevating mechanism, and then drive the rotation of worm gear to drive the upper and lower CNC motion of lifting screw, then realize mould bases operation CNC control by stop nut and floating cylinder, safe and reliable, control accuracy is high, and operating efficiency improves greatly, has the good market competitiveness.
Accompanying drawing explanation
Fig. 1 is front elevational schematic of the present invention.
Fig. 2 is schematic top plan view of the present invention.
Fig. 3 is the close-up schematic view of elevating mechanism of the present invention.
Detailed description of the invention
In order to the present invention is further described, introduce below in conjunction with Figure of description:
With reference to accompanying drawing 1 and Fig. 2, a kind of servo-control mechanism of CNC mould bases, it comprises mould bases 1, floating template 2, fixed form 12, elevating mechanism, transition axis 9, bevel gear set 10 and servomotor 11, floating template 2 is contained in the middle of mould bases 1, fixed form 12 is contained in mould bases 1 lower end and is positioned at below floating template 2, below floating template 2 two jiaos namely two jiaos, mould bases 1 lower end have elevating mechanism to be contained on fixed form 12, described elevating mechanism comprises left elevating mechanism 13 and right elevating mechanism 14, servomotor 11 is contained in mould bases 1 front end, servomotor 11 connects transition axis 9 by bevel gear set 10, transition axis 9 connects the worm shaft 7 of left elevating mechanism 13 and right elevating mechanism 14.
With reference to Fig. 3, described elevating mechanism comprises cylinder piston rod 3, stop nut 4, lifting screw 5, worm-wheel shaft 61, worm gear 6, worm shaft 7 and worm and gear seat 8, about two jiaos of fixed form 12 are equipped with worm and gear seat 8, cylinder piston rod 3 runs through upper and lower worm and gear seat 8 and fixed form 12, stop nut 4 is equipped with at cylinder piston rod about 3 two ends, outside beam hanger piston rod about 3 two ends, cover has lifting screw 5, lifting screw 5 is fixedly connected on upper and lower stop nut 4, worm-wheel shaft 61 is spun on outside lifting screw 5, worm-wheel shaft about 61 two ends are fixed in worm and gear seat 8 by bearing, in the middle of outside worm-wheel shaft 61, worm gear 6 is housed, worm gear 6 lateral ends is connected with a joggle worm shaft 7.
With reference to Fig. 2, described transition axis 9 comprises cross transition axle and vertical transition axis, cross transition axle to be connected with a joggle servomotor 11 by bevel gear set 10, cross transition axle left end is connected with a joggle by bevel gear set 10 worm shaft 7 of left elevating mechanism 13, the right-hand member of cross transition axle to be connected with a joggle vertical transition axis by bevel gear set, and vertical transition axis connects the worm shaft 7 of right elevating mechanism 14.
When the present invention uses, control servomotor by PLC and run through bevel gear set driving transition axis, transition axis rotarily drives worm shaft and rotates, worm shaft rotates engaging worm wheel and rotates, worm gear rotarily drives worm-wheel shaft and rotates, it is in rotary moving that worm-wheel shaft rotarily drives lifting screw, thus lifting screw drives cylinder piston rod to move up and down, floated in oil cylinder by the restriction of upper and lower stop nut and the piston of beam hanger piston rod again and realize CNC control, time saving and energy saving, safe and reliable, control accuracy is high, operating efficiency improves greatly, has the good market competitiveness.
Claims (3)
1. the servo-control mechanism of a CNC mould bases, it comprises mould bases, floating template, fixed form, elevating mechanism, transition axis, bevel gear set and servomotor, it is characterized in that floating template is contained in the middle of mould bases, fixed form is contained in mould bases lower end and is positioned at below floating template, below floating template two jiaos namely two jiaos, mould bases lower end have elevating mechanism to be contained on fixed form, described elevating mechanism comprises left elevating mechanism and right elevating mechanism, servomotor is contained in mould bases front end, servomotor connects transition axis by bevel gear set, transition axis connects the worm shaft of left elevating mechanism and right elevating mechanism.
2. the servo-control mechanism of a kind of CNC mould bases according to claim 1, it is characterized in that described elevating mechanism comprises cylinder piston rod, stop nut, lifting screw, worm-wheel shaft, worm gear, worm shaft and worm and gear seat, about two jiaos of fixed form are equipped with worm and gear seat, cylinder piston rod runs through upper and lower worm and gear seat and fixed form, stop nut is equipped with at the upper and lower two ends of cylinder piston rod, outside the upper and lower two ends of beam hanger piston rod, cover has lifting screw, lifting screw is fixedly connected on upper and lower stop nut, worm-wheel shaft is spun on outside lifting screw, the upper and lower two ends of worm-wheel shaft are fixed in worm and gear seat by bearing, in the middle of outside worm-wheel shaft, worm gear is housed, worm gear lateral ends is connected with a joggle worm shaft.
3. the servo-control mechanism of a kind of CNC mould bases according to claim 1, it is characterized in that described transition axis comprises cross transition axle and vertical transition axis, cross transition axle to be connected with a joggle servomotor by bevel gear set, cross transition axle left end is connected with a joggle by bevel gear set the worm shaft of left elevating mechanism, the right-hand member of cross transition axle to be connected with a joggle vertical transition axis by bevel gear set, and vertical transition axis connects the worm shaft of right elevating mechanism.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410291405.5A CN104014788B (en) | 2014-06-26 | 2014-06-26 | The servo-control mechanism of CNC mould bases |
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| CN201410291405.5A CN104014788B (en) | 2014-06-26 | 2014-06-26 | The servo-control mechanism of CNC mould bases |
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| CN104014788B true CN104014788B (en) | 2016-04-20 |
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| JPH09285899A (en) * | 1996-04-25 | 1997-11-04 | Aisin Seiki Co Ltd | Compacting die device |
| JPH1158091A (en) * | 1997-08-26 | 1999-03-02 | Aida Eng Ltd | Servo motor driven press |
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| CN201969874U (en) * | 2010-12-30 | 2011-09-14 | 南通国谊锻压机床有限公司 | Powder feeding height control device for powder moulding press |
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| US3172156A (en) * | 1962-09-06 | 1965-03-09 | Cincinnati Shaper Co | Compacting press |
| CN2292622Y (en) * | 1995-06-16 | 1998-09-30 | 芜湖电工机械厂 | NC die holder feeder for notching machine |
| CN2515009Y (en) * | 2001-11-06 | 2002-10-09 | 吴锦棠 | Mechanical fully automatic powder press |
| CN101407103B (en) * | 2008-11-15 | 2011-07-27 | 顺德职业技术学院 | Injection mould servo synchronous automatic thread demoulding mechanism and control method thereof |
| CN102126307B (en) * | 2010-11-24 | 2013-10-09 | 南京东部精密机械有限公司 | Servo feeding device for full-automatic dry powder press |
| CN102129231A (en) * | 2011-01-21 | 2011-07-20 | 肇庆市凯龙数控科技有限公司 | Spiral bevel gear machine tool numerical control system and control method thereof |
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- 2014-06-26 CN CN201410291405.5A patent/CN104014788B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09285899A (en) * | 1996-04-25 | 1997-11-04 | Aisin Seiki Co Ltd | Compacting die device |
| JPH1158091A (en) * | 1997-08-26 | 1999-03-02 | Aida Eng Ltd | Servo motor driven press |
| CN2868662Y (en) * | 2006-01-24 | 2007-02-14 | 宁波市北仑新港塑料机械有限公司 | Powder former die carriage |
| CN2923293Y (en) * | 2006-06-20 | 2007-07-18 | 宁波科田磁业有限公司 | Formation mould for pressing magnetic material powder |
| CN201304727Y (en) * | 2008-11-21 | 2009-09-09 | 扬州市海力精密机械制造有限公司 | Top pressure and compression adjusting mechanism of powder forming machine |
| CN201320849Y (en) * | 2008-12-19 | 2009-10-07 | 宁波市北仑新港冶金机械有限公司 | Adjustment device of lower pressure lever in powder shaping machine |
| CN201969874U (en) * | 2010-12-30 | 2011-09-14 | 南通国谊锻压机床有限公司 | Powder feeding height control device for powder moulding press |
| CN203992385U (en) * | 2014-06-26 | 2014-12-10 | 南通市腾达锻压机床厂 | The servo-control mechanism of CNC mould bases |
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