CN104016134B - The vacuum handling equipment of a kind of sintered neodymium-iron-boron powder - Google Patents
The vacuum handling equipment of a kind of sintered neodymium-iron-boron powder Download PDFInfo
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- CN104016134B CN104016134B CN201410258382.8A CN201410258382A CN104016134B CN 104016134 B CN104016134 B CN 104016134B CN 201410258382 A CN201410258382 A CN 201410258382A CN 104016134 B CN104016134 B CN 104016134B
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Abstract
The vacuum handling equipment of a kind of sintered neodymium-iron-boron powder, relate to a kind of sintering powder handling equipment, this equipment comprises: vacuum glove box (1), vacuum pump (2), opening for feed (3), discharge port (4), filtering cabin (5), valving (6), mechanical manipulator (7), first complete equipment opening for feed is connected with mixing tank, and discharge port is connected with airflow milling storage bin; 2nd complete equipment opening for feed and airflow milling mixing tank connect, and discharge port is connected with Double cone mixer; 3rd complete equipment opening for feed and Double cone mixer connect, and discharge port is connected with full-automatic press. The present invention is the intelligent vacuum handling equipment of band mechanical manipulator, especially the handling equipment of intelligent sintered Nd-Fe-B permanent magnetic material powder it is applicable to, make to need 6-12 people to spend the work completed for a long time only to need 2 people's operations and complete with mechanical manipulator intellectualized operation, decrease oxygen level and the oxidation probability of each operation, it is to increase the performance of the finished product simultaneously.
Description
Technical field
The present invention relates to a kind of sintering powder handling equipment, particularly relate to the vacuum handling equipment of a kind of sintered neodymium-iron-boron powder.
Background technology
Since entering for 21st century, owing to the magnetic materials production cost in developed country is too high, within the scope of the world, magnetic materials production base is one after another to third world countries' migration, and China becomes the country of first-selection. Although as far back as nineteen ninety-five China's permanent magnet output reached 8.5 ten thousand tons, leap to the first in the world, but the most of permanent magnetism materials produced due to China all belong to low-end product, cheap labor force and cheap commodity price can only be leaned on to mix the competition with world market, although causing China to be permanent magnet production technology big country, the present situation of nonproductive technology power. Therefore how improving technique technology is to improve the performance of permanent magnet material, produce high-quality permanent magnet product, the performance of product is allowed to meet the market requirement widely, make the permanent magnet material product of China occupy more perch in the competition in the international market of fierceness, it is current permanent magnet material field scientific workers' problem demanding prompt solution.
Current China neodymium iron boron technique be melting ingot casting after batching, coarse crushing, in rear ball milling broken, in small, broken bits or airflow milling, final preparation mean particle size is at the powder of 2 ��m about-5 ��m. now widely used is SCHD technique, process program prepares about 0.2mm thin slice for adopting rapid hardening spun furnace, rear employing hydrogen breaks, airflow milling operation, final preparation mean particle size is at the powder of 2 ��m about-5 ��m, but the artificial technology all adopted in preparation process, and neodymium iron boron industry needs multiple mixing tank, multiple airflow milling, multiple stage press operation, need a large amount of manpowers, the medium-sized enterprise producing 2000 tons of neodymium iron boron blanks per year break die mould from hydrogen before manpower is minimum needed for this stage needs 6-10 people's per tour, production does not have continuity and continuity, inefficiency. and current automatic technology has become main flow, the powder of the numerous areas such as domestic medical treatment achieves vacuum handling already, but industry-by-industry has visibly different feature, such as neodymium iron boron industry has easy oxidation, need batch mixing, the not equal feature of every batch of material time, and same category of device is of a great variety, and much can not with batch doping, therefore realize intelligent need of production and solve many technical barriers, the report of intelligent technique is there is no in current industry, therefore the equipment of the present invention has carried out improving targetedly and optimizing on the basis having used for reference other industry and key equipment.
The patent No. 200410056232.5 Germany Introduction of enterprises is a kind of with weighing or the vacuum handling equipment of measuring apparatus, wrapped separation vessel, power cuts off device, weighing device and vacuum pump and controller, this device can weigh accurately or regulation is cut off vacuum pump or blocked the time point of aspiration procedure more accurately in conveying process. But this device is not owing to there being the anti-oxidation measures such as glove box, fails to be applicable to neodymium iron boron and produce; And accurate Weighing system cannot be applicable to neodymium iron boron industry described in this device, this is due to neodymium iron boron mixing tank size, weight is different with batch difference, and material proportioning is different, doping can only by manually determining, and without the need to accurate weighing in neodymium iron boron industry, therefore the present invention changes and go fuzzy Prediction material place value by level gage, after sending signal by sensor, valve-off completes the vacuum handling of the faintness calculates.
The patent No. 200710191501.2 describes a kind of glove box, this glove box is with leakage shielding space, include main box, main box is provided with form, form adds glove ports, outside main box, is provided with side plate, side plate adds entry locker, wherein: between described main box and form, between main box and side plate, between form and glove ports, between glove ports and gloves, between side plate and entry locker, above-mentioned five positions have at least a place to be provided with leakage shielding space. Guarantee the purity in glove box operation space with this, and ensure that casing external environment is not contaminated. Owing to vacuum handling pipeline does not exist leakage problem in the present invention, and without the need to doing complicated operation at glove box, only need glove box during maintenance, otherwise very easily cause burning even to explode. Therefore the present invention is directed to this feature and glove box is laid special stress on protecting vacuum pump and pipe interface, by vacuum pump and interface encapsulation in glove box.
The patent No. 201310305730.8 General Motors Corporation describes a kind of electric control valve assembly, electric control valve assembly comprises automatically controlled linear actuator, its there is housing unit and be arranged in housing unit and controllably relative to daynamic response of shells in the rotatable rotor of the motor control order received. Rotor comprises drive shaft and ring winding cylinder, and described ring winding cylinder is circumferentially arranged around drive shaft. Reel at least partially defines the reception cavity between reel and drive shaft, and more than first screw thread is arranged on the end portion office of drive shaft. Actuator comprises bar further, and described bar rotates static relative to housing unit, and it comprises the 2nd many screw threads being configured to more than first cooperate, and is moved to by bar with the rotation in response to rotor and receives in cavity. Mainly for each mixing tank in the present invention, airflow milling, the valve of Double cone mixer carries out intelligentized control method, therefore by means of having signed this mentality of designing, when this basic enterprising one-step optimization has made three groups of valving again, carry out electric control operation, and allow it have recognition feature, complete intellectualized operation finally by mechanical manipulator.
The patent No. 02802259.9 describes a kind of mechanical manipulator, this mechanical manipulator forms such structure, namely the joint of position sensor inspecting manipuator arm can be utilized to move position, the variable quantity moving position and elapsed time according to joint calculates joint translational speed, by it, translational speed compares with allowing, with the release of control brake and braking, even if when making the machinery shape of arm and posture and load condition change, the joint translational speed of arm when stopper discharges also structure within certain value. Therefore, can obtain people can carrying out the mobile operation of arm of stopper release and the high mechanical manipulator of security. The facility valve such as mixing tank, airflow milling needed for neodymium iron boron is more, therefore in the present invention, all valve electric-controlled switch are positioned over a place and form valving, each valving is divided into three major types according to classification, is respectively mixing tank valving, airflow milling valving, Double cone mixer valving; It is thus desirable to institute's invention mechanical manipulator adopts dimension sensor to identify in this equipment, after identifying, mechanical manipulator first moves horizontally and identifies valve classification, rear vertical mobile identification valve numbering, then carries out expanding-contracting action, finally carries out the switching operation that gripping action finally completes valve.
Summary of the invention
It is an object of the invention to provide the vacuum handling equipment of a kind of sintered neodymium-iron-boron powder, raw material is travelled to and fro between mixing tank by vacuum handling equipment by this equipment, airflow milling, Double cone mixer, full-automatic press complete conveying action, achieve intelligent production, decrease oxygen level and the oxidation probability of each operation, it is to increase the performance of the finished product.
It is an object of the invention to be achieved through the following technical solutions:
The vacuum handling equipment of a kind of sintered neodymium-iron-boron powder, comprise vacuum conveying system, Problem system, described vacuum conveying system is by three road System's composition: the delivery system comprising little mixer and airflow milling, and this system comprises: vacuum glove box, vacuum pump, opening for feed, discharge port, filtering cabin, valving, mechanical manipulator; Vacuum pump and glove box are arranged at airflow milling pylon top; It two is delivered to Double cone mixer delivery system for airflow milling mixing tank, and Double cone mixer arranges multichannel input valve port, and arranges delivery system in Double cone mixer frame body top; It three is Double cone mixer to full-automatic press delivery system, and vacuum pump output terminal is provided with multiple outlet, and vacuum pump is positioned over press top; Problem system comprises mechanical manipulator correspondence position increase and arranges valving, and neodymium-iron-boron powder is enclosed in the glove box by protection of inert gas, and vacuum apparatus is located in glove box; Its first via system device opening for feed is connected with mixing tank, and discharge port is connected with airflow milling storage bin, and the 2nd road system device opening for feed and mixing tank connect, and discharge port is connected with full-automatic press; Feed inlet and outlet is provided with multiple changeable valve, connects valve by arranging two degrees of freedom mechanical manipulator; Mixing tank is provided with level gage, valve is provided with electric-controlled parts, neodymium iron boron prepares that batch mixing is provided with airflow milling, mixing tank batching, full-automatic press are concentrated and be placed in electric control chamber, mechanical manipulator is provided with dimension sensor recognition system, there are four degree of freedom and connect setting, level gage is connected with mechanical manipulator signal, and mechanical manipulator connects switch valve.
The vacuum handling equipment of described a kind of sintered neodymium-iron-boron powder, described valve is provided with three groups of valves, is respectively mixing tank valving, airflow milling valving, Double cone mixer valving.
The vacuum handling equipment of described a kind of sintered neodymium-iron-boron powder, described valve is separately positioned on on mixing tank, airflow milling, Double cone mixer.
Advantage and the effect of the present invention be:
1. the present invention will be produced the manpower-intensive type operation changing multiple broken, broken, the grinder sequence of existing neodymium iron boron industry, reduces production cost by intellectuality, it is to increase production efficiency.
2. permanent magnet material industry is huge in China's output value, the present invention need to introduce vacuumatic measuring delivery system and electric control valve group system simultaneously, required manpower more than 80% can be reduced by targeted design desired product, it is to increase production efficiency more than 30%, there is wide development space. The equipment cost of the present invention controls within 200,000, neodymium iron boron industry is not formed important cost factor, therefore has major and immediate significance.
3. owing to traditional work needs back and forth transport mixing tank need to spend a large amount of manpower and time, inefficiency, only needing ground, original place to move replacing mixing tank, saved for more than 80% time in the present invention, therefore two operator can complete the supervision of three tunnel systems simultaneously.
4. this equipment connection use after this technique come and go without the need to tradition manpower act on that hydrogen is broken, batch mixing, airflow milling, compression moulding, directly or indirectly prepare the neodymium-iron-boron magnetic material of the globule size that can directly apply to batch mixing aftershaping from raw material.
Accompanying drawing explanation
Fig. 1 is present device process schematic representation;
Fig. 2 is that neodymium iron boron of the present invention produces schematic diagram;
Fig. 3 is vacuum conveying system process schematic representation of the present invention;
Fig. 4 is robot manipulator structure schematic diagram of the present invention.
Note: Fig. 2 and Fig. 3 is state of the art schematic diagram (photo), and whether clear it is does not affect the understanding to technical solution of the present invention.
Embodiment
Below in conjunction with accompanying drawing illustrated embodiment, the invention will be further described.
The present invention has carried out the design of system mainly for vacuum handling, glove box, valving, mechanical manipulator, and has prepared equipment targetedly according to production status. Owing to the broken pre-mixed rear material of hydrogen in the production of neodymium iron boron is powder, meets the requirement of vacuum handling, therefore selected vacuum handling mode for neodymium iron boron industry. Having different blended batch can according to neodymium iron boron industry, main flow is 300kg, the 500kg 2000kg to Double cone mixer, and the weight of the production program is different with batch difference, and material proportioning difference, and doping the feature such as can only determine by artificial. Therefore changing in the present invention and go fuzzy Prediction material place value by level gage, after sending signal by sensor, valve-off completes the vacuum handling of the faintness calculates. Certainly the personnel that need to be equipped with complete direct surveillance to complete weight demands in operations specific. Neodymium iron boron industry needs anti-oxidation, and powder very easily burns, and even causes danger, therefore adopts glove box to carry out protection vacuum pump and interface in the present invention, to complete maintenance and add or change valve interface operation. Mainly for each mixing tank in the present invention, airflow milling, the valve of Double cone mixer carries out intelligent Valve controlling, three groups of valving are made, it is respectively mixing tank valving, airflow milling valving, Double cone mixer valving, carry out electric control operation, and allow it have recognition feature, complete intellectualized operation finally by mechanical manipulator. In this equipment, institute's invention mechanical manipulator adopts dimension sensor to carry out recognition system, after identifying, mechanical manipulator first moves horizontally and identifies valve classification, rear vertical mobile identify valve numbering, then carry out expanding-contracting action, finally carry out gripping and expanding-contracting action finally completes the switching operation of valve.
Embodiment:
Following embodiment is only the example of the present invention, does not represent the rights protection scope that the present invention limits.
Producing schematic diagram with reference to accompanying drawing 2 neodymium iron boron, the present invention is Nd-Fe-B powder technique mainly, and the vacuum conveying system of invention is primarily of three road System's composition, as follows respectively:
Delivery system 1: as shown in Figure 1, delivery system 1 is the delivery system of little mixer and airflow milling, and this system mainly comprises: vacuum glove box 1, vacuum pump 2, opening for feed 3, discharge port 4, filtering cabin 5, valving 6, mechanical manipulator 7. Vacuum pump and glove box are arranged at airflow milling pylon top, during concrete enforcement, material is delivered to airflow milling by mixing tank, when the level sensing transducer of airflow milling mixing tank (300KG) sends signal, vacuum pump is out of service, the mixing tank that two operator configured complete air-flow grinding machine by mechanical manipulator 7 after completing the replacing of mixing tank in electric control chamber opens new round vacuum pump operation, when the mixing tank conveying of mixer is complete by expecting that position is transmitted sensor material and sent signal closedown vacuum pump, operator carry out the replacing operation of mixing tank again.
Delivery system 2: for airflow milling mixing tank is delivered to Double cone mixer, due to Double cone mixer gross weight 2000 tons, much larger than airflow milling mixing tank, it is thus desirable to arrange the input of multichannel valve port, and arranges delivery system in Double cone mixer frame body top, as shown in Figure 1. During operation, airflow milling mixing tank carries powder to Double cone mixer according to neodymium iron boron different ratio, close this road valve by Robot actions after conveying and carry out next group mixing tank input, staff is now only needed manually to change valve port, until Double cone mixer completes valve-off after mass transport according to proportioning and expection weight, mixer starts to carry out batch mixing operation, and omnidistance personnel's operating time day was lower than 1 hour.
Delivery system 3: for Double cone mixer is to full-automatic press, due to Double cone mixer gross weight 2000 tons, needing the multiple full-automatic press of proportioning, therefore vacuum pump output terminal needs multiple outlet, and vacuum pump is positioned over press top, as shown in Figure 1. During operation, Double cone mixer is automatically to full-automatic mixer operation, vacuum handling equipment availability is weighed in conjunction with described in the patent No. 200410056232.5, full-automatic press in the industry has weighing automatically and conveying finished product system, when Double cone mixer position sensor feedback signal, close vacuum pump and complete conveying operation, open the operation of next Double cone mixer simultaneously by mechanical manipulator, now also only needing staff manually to change valve port, omnidistance personnel's operating time day was lower than 1 hour.
Problem system: the intelligent vacuum handling equipment of the band mechanical manipulator of the present invention when system cloud gray model owing to need to complete increase and decrease and the switching of valve interface in glove box when producing additional or superseded minimizing equipment, mechanical manipulator correspondence position increases valving simultaneously. Also must carry out under gas shield atmosphere in glove box when safeguarding, prevent owing to neodymium iron boron is oxidized the burning caused.
Claims (1)
1. the vacuum handling equipment of a sintered neodymium-iron-boron powder, comprise vacuum conveying system, Problem system, it is characterized in that, described vacuum conveying system is by three road System's composition: the delivery system comprising its little mixer and airflow milling, and the delivery system of little mixer and airflow milling comprises: vacuum glove box (1), vacuum pump (2), opening for feed (3), discharge port (4), filtering cabin (5), valving (6), mechanical manipulator (7); Vacuum pump and glove box are arranged at airflow milling pylon top; It two is delivered to Double cone mixer delivery system for airflow milling mixing tank, and Double cone mixer arranges multichannel input valve port, and arranges delivery system in Double cone mixer frame body top; It three is Double cone mixer to full-automatic press delivery system, and vacuum pump output terminal is provided with multiple outlet, and vacuum pump is positioned over press top; Problem system comprises mechanical manipulator correspondence position increase and arranges valving, and neodymium-iron-boron powder is enclosed in the glove box by protection of inert gas, and vacuum apparatus is located in glove box; Its first via system device opening for feed is connected with mixing tank, and discharge port is connected with airflow milling storage bin, and the 2nd road system device opening for feed and mixing tank connect, and discharge port is connected with Double cone mixer; Feed inlet and outlet is provided with multiple changeable valve, connects valve by arranging two degrees of freedom mechanical manipulator; Mixing tank is provided with level gage, valve is provided with electric-controlled parts, neodymium iron boron prepares that batch mixing is provided with airflow milling, mixing tank batching, full-automatic press are concentrated and be placed in electric control chamber, mechanical manipulator is provided with dimension sensor recognition system, there are four degree of freedom and connect setting, level gage is connected with mechanical manipulator signal, and mechanical manipulator connects changeable valve.
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| CN201410258382.8A CN104016134B (en) | 2014-06-12 | 2014-06-12 | The vacuum handling equipment of a kind of sintered neodymium-iron-boron powder |
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| CN201410258382.8A CN104016134B (en) | 2014-06-12 | 2014-06-12 | The vacuum handling equipment of a kind of sintered neodymium-iron-boron powder |
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| CN104016134B true CN104016134B (en) | 2016-06-01 |
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| CN104495386A (en) * | 2014-12-11 | 2015-04-08 | 爱科科技有限公司 | Neodymium iron boron alloy powder transmission device and transmission method |
| CN106185079A (en) * | 2016-08-16 | 2016-12-07 | 中航锂电（洛阳）有限公司 | A kind of feeding device and conjunction sizing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US5458450A (en) * | 1993-05-07 | 1995-10-17 | Exxon Chemical Patents Inc. | Pressure-vacuum rated flexible connector for use in material handling systems |
| JP2000047732A (en) * | 1998-07-31 | 2000-02-18 | Yaskawa Electric Corp | Apparatus and method for servo control |
| KR100483660B1 (en) * | 2002-04-12 | 2005-04-19 | 미쓰비시덴키 가부시키가이샤 | Robot |
| DE20312073U1 (en) * | 2003-08-05 | 2004-12-23 | Volkmann Gmbh | Vacuum conveyor with weighing or dosing device |
| CN2915793Y (en) * | 2006-06-01 | 2007-06-27 | 苏秦玉 | Powder material pneumatic conveyor with inner weighing bucket |
| CN101456185B (en) * | 2007-12-12 | 2012-02-01 | 张德龙 | Glove box |
| IT1397570B1 (en) * | 2009-12-14 | 2013-01-16 | Agierre S A S Di Ruggero Vincenzo & C | APPARATUS AND PNEUMATIC TRANSPORT PROCEDURE WITH EMPTY FOR POWDER OR SIMILAR PRODUCTS. |
| CN202156774U (en) * | 2011-07-14 | 2012-03-07 | 北京艾福莱机电设备有限公司 | Vacuum powder conveying equipment |
| US20140021384A1 (en) * | 2012-07-20 | 2014-01-23 | Gm Global Technology Operations Llc. | Electronically controlled valve assembly |
| CN204021937U (en) * | 2014-06-12 | 2014-12-17 | 泰山医学院 | A kind of vacuum conveying apparatus of sintered neodymium-iron-boron powder |
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