CN2260320Y

CN2260320Y - Microcomputerized device for dosing

Info

Publication number: CN2260320Y
Application number: CN 96224233
Authority: CN
Inventors: 王卫东
Original assignee: HUACHUAN CONSTRUCTION MATERIAL EQUIPMENT FACTORY NEIJIANG CITY
Current assignee: HUACHUAN CONSTRUCTION MATERIAL EQUIPMENT FACTORY NEIJIANG CITY
Priority date: 1996-12-20
Filing date: 1996-12-20
Publication date: 1997-08-20
Anticipated expiration: 2006-12-20

Abstract

The utility model discloses a microcomputerized device for proportioning. The utility model is characterized in that a static weighing device for weighing material is adopted; the static weighing device is composed of a stock bin, a spiral gate, a weight signal transducer, a static weighing hopper, a gate opening and closing device, a dust catcher and a rubber belt conveyor. The utility model has the advantages that the weight of the material can be weighted in relative rest by the static weighing device; the proportioning error can be down to plus-minus 0.2 percent; the cost and the energy consumption of the system devices can be reduced; meanwhile, the maintenance of the utility model is convenient; the utility model can be widely applied to the proportioning production of powdery, or grainy or small lump material in the industries of cement, chemical industry, building materials, metallurgy, mine, feed, etc; a plurality of kinds of material can be mixed continuously and automatically according to the requirement of a recipe.

Description

The Microcomputerized dosing device

The utility model relates to a kind of batching automaton, especially the weighing device that relates to a kind of automatic control system of preparing burden, this feed proportioning system is applicable to the powder or granule of industries such as cement, chemical industry, building materials, metallurgy, mine, feed and the batching production of little lump material.

In the Microcomputerized dosing system commonly used at present, what the overwhelming majority adopted is constant speed belt weighing system or speed-governing belt weighing system, be after material falls within on the belt, the weight scale of material is gone out and gather computing machine and the prescription value is made comparisons by being in weight sensor under the belt, because this system adopts Dynamic Weighting, intermediate conversion complexity, vibration effect is hit, cause weighing error bigger, proportioning accuracy is lower, and generally its batching error is positive and negative about 1.0%; In addition, the cost of this constant speed or speed-governing belt weighing system is very expensive, and every cost is all more than 20,000 yuan, and its continuous drive required motor power is bigger, generally all adopt the motor of 750W-2200W, so energy consumption is higher; In addition, the maintenance of this constant speed or speed-governing belt weighing system is very inconvenient, and during as components damage such as wherein motor, speed reduction unit, belt idlers, required maintenance cycle is longer, and directly influence is produced.May cause completely when serious and stop production.

Patent Office of the People's Republic of China is that CS2063870u discloses a kind of novel raw ingredients batching automatic control system with the notification number.Though it is positive and negative 0.3% that it reduces the batching error, also improved proportioning accuracy effectively, owing to also adopt constant speed or speed-governing belt weighing system as the weighing instrument, similarly has shortcomings such as cost height, energy consumption height and maintenance difficult.

The purpose of this utility model is to overcome the shortcoming of above-mentioned prior art and the batching that a kind of weighing error is little, proportioning accuracy is high, cost is low, energy consumption is low and easy to maintenance automaton is provided.

The purpose of this utility model is achieved in that

This Microcomputerized dosing system is by the information translation implementation controller, electrical source of power and by main frame, printer, CRT monitor, QWERTY keyboard, the computer control device that ups power is formed, and by feed bin, spiral gate, electric vibrating feeder, the weight signal sensor, door opening/closing apparatus, the static weighing device that static weighing hopper and rubber conveyer are formed is formed, wherein the main frame of electrical source of power and computer control device links to each other with the respective terminal of information translation implementation controller respectively, in static weighing device, spiral gate is installed on discharging opening place, feed bin lower end, and electric vibrating feeder is installed on discharging opening place, feed bin lower end and links to each other by the corresponding terminal of electric power connection line with the information translation implementation controller.Static weighing hopper be installed on electric vibrating feeder under, its upper end material receiving port is over against discharging place of electric vibrating feeder, the weight signal sensor is installed under the shell of static weighing hopper and by the respective socket of signal connecting line with the information translation implementation controller and links to each other, and door opening/closing apparatus is installed on the discharging opening place, lower end of static weighing hopper.It is by door-plate, motor, electronic pull bar, pin and bearing are formed, bearing is fixed on the shell of static weighing hopper, motor that fuses and electronic pull bar are fixed on the bearing, the lower end of electronic pull bar is fixed with the door-plate that is complementary with static weighing hopper discharging opening place size, the upper end of door-plate is fixed on the shell of static weighing hopper movably by pin, door-plate can rotate with respect to pin, thereby the discharging opening of the static weighing hopper of switch, motor by control power lead link to each other with the corresponding terminal of information translation implementation controller, rubber conveyer be installed on static weighing hopper discharging opening under.

Wherein, the dust polluting environment that produces when preventing discharging and cause loss of material also is fixed with dirt-proof boot, in order to seal this space between discharging place of the material receiving port of static weighing hopper and electric vibrating feeder.

The utility model has following advantage than prior art:

Because the utility model is improved to static weighing device with original constant speed or naughty belt scale amount system, error when constant speed or the weighing of speed-governing belt weighing system not only depends on the precision of weight signal sensor, and owing to be Dynamic Weighting, its weight signal that weighs up also will be subjected to the influence of factors such as material impact and vibration equipment, and during the weighing of static weighing system, because material carries out certain time-delay after entering the static weighing hopper, the weight signal that system is weighed up is that system is in the weight of material when static relatively.Its error only depends on the precision of weight signal sensor, and this signal is impacted by material hardly, the interference of various factorss such as vibration equipment, so the error when greatly reducing weighing, it is positive and negative 0.2% that error is no more than, and also improved proportioning accuracy simultaneously; In addition, the power of the motor that the required interruption of this static state weighing system drives reduces greatly, can realize with the micromotor of 40W, has not only reduced cost, has also reduced energy resource consumption simultaneously; In addition, this static state weighing device is because equipment is simple, and cost is very cheap, and the cost of a cover system only between 1500-1800 unit, greatly reduces manufacturing cost; Simultaneously because static weighing hopper simple structure, light, maintenance is very convenient, Maintenance Demand Time is shorter, and is less to producing influence.

Below in conjunction with drawings and Examples the utility model is described in further detail:

Fig. 1 is that structure of the present utility model is formed block scheme;

Fig. 2 is that static weighing device structure of the present utility model is formed block scheme;

Fig. 3 is a static weighing device structural representation of the present utility model;

Fig. 4 utilizes the utility model to carry out the apparatus structure composition block scheme that cement raw mix proportioning is produced.

Embodiment: utilize this Microcomputerized dosing device to be applied to the raw meal proportioning production of cement mill, in this Microcomputerized dosing device, add grinding machine, powder concentrator, sampler and compressing tablet, calcium iron analyser, this Microcomputerized dosing device is by information translation implementation controller 2, electrical source of power 1 and by main frame 3, printer 4, CRT monitor 5, QWERTY keyboard 6, microcomputer device and static weighing device 8 that ups power 7 is formed are formed, static weighing device 8 is by feed bin 11, electric vibrating feeder 13, weight signal sensor 9, door opening/closing apparatus 10, spiral gate 12, static weighing hopper 15, rubber conveyer 14 and dirt-proof boot 21 are formed, wherein the main frame 3 of electrical source of power 1 and Control System of Microcomputer links to each other with the respective terminal of information translation implementation controller 2 respectively, in static weighing device 8, spiral gate 12 is installed on discharging opening place, feed bin 11 lower end, electric vibrating feeder 13 is installed on feed bin discharging opening place, 11 lower end and links to each other by the corresponding terminal of electric power connection line with information translation implementation controller 2, static weighing hopper 15 be installed on electric vibrating feeder 13 under, its upper end material receiving port is over against discharging place of electric vibrating feeder 13, also be fixed with dirt-proof boot 21 between them, in order to seal this space, weight signal sensor 9 is installed under the static weighing hopper 15 and passes through signal connecting line, be that four-core shielding line and Aviation cable plug link to each other with the respective socket of information translation implementation controller 2, door opening/closing apparatus 10 is installed on the discharging opening place, lower end of static weighing hopper 15.It is by door-plate 16, motor 17, electronic pull bar 18, pin 19 and bearing 20 are formed, bearing 20 is fixed on the shell of static weighing hopper 15, motor 17 that fuses and electronic pull bar 18 are fixed on the bearing 20, the lower end of electronic pull bar 18 is fixed with the door-plate 16 that the discharging opening place size with static weighing hopper 15 is complementary, the upper end of door-plate 16 is fixed on the shell of static weighing hopper 15 movably by pin 19, motor 17 links to each other with the corresponding terminal of information translation implementation controller 2 by the control power lead, rubber conveyer 14 be installed on static weighing hopper 15 discharging opening under.

Wherein, this Microcomputerized dosing device comprises the static weighing device 8 of 8 covers altogether, and 8 control channels are promptly arranged, and can dispose 8 kinds of raw materials, and all executive routines are solidificated among the ROM, and its principle of work is as follows:

After operating personnel will fill a prescription and import microcomputer and start batching, microcomputer carried out continuous batching production set by step with regard to automaton.At first, shut the discharging opening of static weighing hopper 15, start electric vibrating feeder 13 beginning feeds immediately, simultaneous computer also begins to monitor and judge, its principle is continuously will descend weight of material in the hopper 15 to weigh up and gather that into computing machine and prescription value are made comparisons by being installed on weight signal sensor 9 under the static weighing hopper 15, in case weight reaches the prescription value, instruction just takes place computing machine immediately allows electric vibrating feeder 13 failure of oscillations, stop feed, and write down gravimetric value when materials are static in the hopper 15, poor with setting value, when preparing burden, next round compensates automatically, the passage that is equipped with material is to control operation simultaneously respectively, possesses independence, who reaches given weight earlier, who just stops earlier, be independent of each other, wait all materials all feed finish, conversion of signals implementation controller 2 is index door opening/closing apparatus 10 discharging of opening the door, system begins to monitor discharge process again, after all materials were all emitted, door opening/closing apparatus 10 was closed again, and allowances for bark zero clearing automatically, the cycle of carrying out time-delay, so just finished a batching cycle, operation is so again and again gone down, and just can carry out continuous batching.

Adopt the utility model to carry out cement raw mix proportioning production, can make the batching error be reduced to positive and negative below 0.2%, improved proportioning accuracy effectively, simultaneously than adopting constant speed or speed-governing belt weighing system, cost-saved more than 100,000 yuan, require the power of motor low simultaneously, only need the micromotor of 40W can realize intermittent control shaking, reduced energy resource consumption, and because of simple in structure, light, for ease of maintenaince.

Claims

1, a kind of Microcomputerized dosing device, by electrical source of power (1), information translation implementation controller (2) and by main frame (3), printer (4), CRT monitor (5), QWERTY keyboard (6), the computer control device that ups power (7) is formed, and by feed bin (11), spiral gate (12), electric vibrating feeder (13), weight signal sensor (9), the static weighing device (8) that rubber conveyer (14) is formed is formed, it is characterized in that static weighing device (8) is also by static weighing bucket (15), door opening/closing apparatus (10) is formed, wherein static weighing hopper (15) be installed on electric vibrating feeder (13) under, its upper end material receiving port is over against discharging place of electric vibrating feeder (13), weight signal sensor (9) is installed on the lower end of static weighing hopper (15) shell, and link to each other by the respective socket of signal connecting line with information translation implementation controller (2), door opening/closing apparatus (10) is installed on the discharging opening place, lower end of static weighing hopper (15), door opening/closing apparatus (10) is by door-plate (16), motor (17), electronic pull bar (18), pin (19) and bearing (20) are formed, motor (17) is fixed on the shell of bearing (20) after fusing with electronic pull bar (18), bearing (20) is fixed on the shell of static weighing hopper (15), the lower end of electronic pull bar (18) links to each other with door-plate (16), the upper end of door-plate (16) is fixed on the shell of static weighing hopper (15) movably by pin (19), the size at the discharging opening place of the size of door-plate (16) and static weighing hopper (15) is complementary, motor (17) by control power lead link to each other with the corresponding terminal of information translation implementation controller (2), rubber conveyer (14) be installed on static weighing hopper (15) discharging opening under.

2. Microcomputerized dosing device according to claim 1 is characterized in that also being fixed with dirt-proof boot (21) between discharging place of the material receiving port of the static weighing hopper (15) of static weighing system (8) and electric vibrating feeder (13).