CN2034377U - Feeder grinder controlling device - Google Patents
Feeder grinder controlling device Download PDFInfo
- Publication number
- CN2034377U CN2034377U CN88202955U CN88202955U CN2034377U CN 2034377 U CN2034377 U CN 2034377U CN 88202955 U CN88202955 U CN 88202955U CN 88202955 U CN88202955 U CN 88202955U CN 2034377 U CN2034377 U CN 2034377U
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- China
- Prior art keywords
- small powder
- sliding door
- weighing
- feed bin
- control
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- 239000000843 powder Substances 0.000 claims abstract description 25
- 239000000463 material Substances 0.000 claims abstract description 11
- 230000007246 mechanism Effects 0.000 claims description 5
- 238000004088 simulation Methods 0.000 claims description 5
- 240000000233 Melia azedarach Species 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000005303 weighing Methods 0.000 abstract description 22
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000011068 loading method Methods 0.000 abstract description 3
- 230000001276 controlling effect Effects 0.000 abstract 2
- 230000010354 integration Effects 0.000 abstract 1
- 229910000734 martensite Inorganic materials 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 235000013619 trace mineral Nutrition 0.000 description 2
- 239000011573 trace mineral Substances 0.000 description 2
- 240000004760 Pimpinella anisum Species 0.000 description 1
- 235000012550 Pimpinella anisum Nutrition 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)
Abstract
Disclosed is a feeder grinder controlling device used for any weighing dispensing equipment, which makes the weighing, controlling and regulating into integration by adopting a suite of computer control systems. The principal character of the device lies in; 1. Design of a small powder delivering machine, which changes the manual delivering small powder to the twelve equant martensite wheel graduation to control the delivering of every scale. 2. Design of a system loading artificial circuit. 3. Design of a braking system for material feeding electrical machine, which makes electrical machine quickly stop after the weighing reaches the standard weight. The utility model has the advantages of convenient adjustment, high precision and high production efficiency. The weighing dynamic accuracy can reach 0.2-0.3%, which effectively prevents the mis-operation and eases the worker labor intensity.
Description
The fodder machine control device can be used in any weighing and burden equipment.It is the whole process that is used for controlling feed processing, to guarantee the various different materials of prescription defined, evenly mixes by fixed mixing ratio, and many kinds feed of formation best nutritional composition, lowest price.
The key issue of production of fodder is the proportioning of the various different materials of assurance and enhances productivity.For this reason, advanced both at home and abroad at present feed control system all adopts computer control.The structural representation of this class control device generally shown in figure one, comprises three major parts.First partly is the feed making system, and it is by charging feed bin 1, the feeding motor 2 of control charging, and scale bucket 3, the sliding door motor 4 of open and close scale sluice gate, small powder throw in storehouse 5 and mixer 6 is formed.Scale bucket 3 is thrown in storehouse 5 with small powder and is directly linked to each other with mixer.Second partly is Control System of Microcomputer, it is by the sensor 7 that is placed in the scale bucket, the amplifier 8 of Lian Jieing successively, analog-digital converter 9, expansion interface plate 10, microcomputer 11, computer control power supply 12 is connected to printer 13, the display 14 on the computer and connects 9 digital wash 15 compositions.The 3rd partly is power control system, and it is by input interface circuit that is connected to expansion board and input relay 16, output interface circuit and output relay 17, and whole device power electricity electric power system 18 is formed.The employing of this class fodder machine control device has improved production efficiency, has alleviated labor strength.But still have following several problem not to be resolved, 1, the trace element input.The external at present way that adopts the micro-balance weighing to throw in, but micro-balance ubiquity phenomenon of blocking.Domesticly then adopt artificial input way, promptly prepare composition in advance, artificial then every scale is thrown in a.The release time of this input way, injected volume are all wayward, cause miscarrying to put sometimes, make percent defective rise.2, the debugging of existing fodder machine control device need be carried out at the scene, has so both increased debugging cycle, can cause the production fault because of the fault of machine own again.3, the braking problem of feeding motor.Present production control process, be to move respectively by the different feeding motor of requirement instruction of computer according to prescription, feeding motor promptly is input to weighing in the scale bucket with raw material from feed bin, treat that certain raw material weight reaches prescription when requiring, the stall of computer instruction feeding motor.After the feeding motor stall, computer is the weighing actual weight of this kind raw material once again.As not reaching as yet when demarcating weight, then the crawl motor is made trace and is rotated.In order to guarantee weighing accuracy, operated by rotary motion weight 1 and weight 2, weight 1 are to demarcate weight, the weight when weight 2 is ended for feeding motor rotates, and weight 2 is less than weight 1.For guaranteeing the dynamic accuracy of weighing, all adopt variable speed electric motors, particularly both at home and abroad, promptly make the feeding motor speed change during near weight 2 when weighing, the motor speed reduction is transported to feed in the scale bucket with minimizing.Can control aerial blanking amount preferably like this, cooperate the crawl of motor again, guarantee the precision of weighing.But variable speed electric motors, particularly is the cost height first, second the long batching speed that influenced of speed change time.
The purpose of this utility model just is to overcome above-mentioned shortcoming, and a kind of proportioning accuracy height is provided, and weighing is accurate, and debugging is convenient, and union weighing, control and management are a kind of fodder machine control device of one.
Figure one in overall control structure of the present utility model and the existing technology is basic identical, but the part of the small feed bin 5 that links to each other with mixer among the figure one has been set up small powder input machine.Small powder is thrown in the structural representation of machine shown in figure two.It is characterized in that it is that small powder feed bin 5 is placed on the rotating disk 19, rotating disk 19 and Ma Shi wheel indexing mechanism 21 are placed on the turning cylinder 20, gearbox 22 drives Ma Shi wheel and dial rotation, the storehouse 23 that connects material that is placed in below the small powder feed bin communicates with mixer 6, one sliding door 26 is arranged below the small powder feed bin, and connecting material also has a sliding door 26 above the storehouse 23, and the open and close of above-mentioned sliding door are by sliding door apparatus 24 controls, establish sliding door motor 4 in the sliding door apparatus, be provided with travel switch 25 below this external Ma Shi wheel indexing mechanism.Travel switch is the mechanism that is used for the open and close sliding door.
The entire work process that small powder is thrown in machine is as follows: full 12 the small powder feed bins of ancestor's frock, treat that the aniseed weighing finishes to open 10 seconds behind the scale sluice gate that computer sends 19 rotations of instruction rotating disk.After small powder feed bin to be put 5 was aimed at the storehouse 23 that connects material, the sliding door motor started, and opens the sliding door that connects material above the storehouse 23 earlier, after open sliding door below the small powder feed bin, small powder is promptly put in the mixer.The motor counteragent of pulling is at last closed the door.The utility model is the turntable that is equipped with 12 small powder feed bins, by ten binary Ma Shi wheel calibration, controls every scale and throws in once, can throw in 12 scales altogether after once filling 12 little storehouses, works one hour.
Another feature of the present utility model is to have designed a cover system simulation loading circuit.Its circuit is shown in figure three, and it is by resistance 27, potentiometer 29, and power supply 28 is formed an analog loopback, and the end that potentiometer links to each other with power cathode links to each other with the earth terminal of amplifier, and the moved end of potentiometer connects analog switch 30.During operate as normal, this switch places duty, and the signal that is come by sensor inserts analog-digital converter through amplifier, and shown numerical value is institute's weighing amount in the scale bucket on its digital wash.During the accent machine, analog switch places emulation mode, and switch disconnects amplifier output signal, connects the analog circuit output signal.Obtain one group adjustable dc voltage output by regulator potentiometer this moment, and the loading procedure of simulation scale bucket in order to debug whole device, is checked fault.
The 3rd feature of the present utility model is that feeding motor has adopted common alternating current generator among the figure one, designed a motor braking system, shown in figure four.The major loop of this system adopts conventional bridge rectifier, be that the 380V power supply is by transformer 31 step-downs, bridge rectifier 32 rectifications, electric capacity 33 filtering, its two-phase winding of exporting in the motor feeds DC current generation braking moment, make its rapid stall, unlikely because motor inertia produces overproof or abnormal error.The control loop of system adopts conventional control relay circuit.Because commercially available power-off delay relay minimum conduction time is 1 second, and in order to improve proportioning accuracy, the motor crawl time that computer sends is tens ms, so such time relay can't use.Therefore, the utility model has adopted homemade power-off delay relay, and its principle is shown in figure five, and it has adopted commercially available 5G555 timer as delay chip.Its course of work is as follows: when computer sends starting feeding motor signal, J closure among the figure four, contactor IC energising, the closed electric motor starting of normally opened contact 1C, normally opened contact 1C closure makes 2 ' end ground connection among the figure five among the figure five, trigger 3 ' hold to " 1 " makes time-delay relay SJ adhesive is got ready for braking thereby normally opened contact SJ is closed among the figure four; Weighing, figure four J disconnect when reaching given weight, contactor 1C outage, and the motor outage, contactor 2C adhesive, normally opened contact 2C closure makes the rapid stall of motor.Equally, normally opened contact 1C opens among the figure five, normally-closed contact 1C closure, and power supply EC is by normally-closed contact 1C, resistance R
1, potentiometer W
1To capacitor C
1C is worked as in charging
1When last voltage reached 2/3 EC, the trigger upset was " 0 ", time-delay relay SJ outage, and normally opened contact SJ disconnects among the figure four, contactor 2C outage, end of braking.Resistance R among the figure five
3, capacitor C
2Effect, be to make trigger reset 3 ' hold to be " 0 ".V among the figure five
1, V
2Be voltage comparator, RS
1, RS
2Be trigger, resistance is the resistance R of 5K
4, R
5And R
6Form bleeder circuit, 2 ' hold to be the low level trigger end, 4 ' hold to be voltage controling end, 5 ' hold to be the high level trigger end, 6 ' hold to be discharge end, 1 ' be commercially available 5G555 timer.The delay time of this power-off delay relay can be controlled to tens ms, has satisfied computer and has improved proportioning accuracy, the requirement of control crawl time.Because during contactor 2C outage, its main contacts bringing onto load disconnects, in order to reduce electric arc, prolong the life-span of contactor, be adopted as the measure of cutting off the former limit of transformer.This device has been equipped with 8 charging feed bins, has adopted eight cover brake apparatus, but a shared transformer, a cover rectification, filter circuit.
Description of drawings:
Figure one: fodder machine control device structural representation;
Figure two: small powder is thrown in the machine structural representation;
Figure three: system simulation loaded circuit figure;
Figure four: feeding motor brakes circuit diagram;
Figure five: the power-off delay relay circuit diagram;
Figure six: charging feed bin, scale bucket and feeding motor connection diagram, 34 tie-plates, 35 feedscrews, 36 clothes that are flexible coupling dust protection, 37 pillars, 38 spouts.
Feed control device of the present utility model not only makes whole weighing blending process realize automation, and has improved the weighing precision. External weighing dynamic accuracy (error that refers to the complete rear material of actual weighing) can reach 0.3% at present, and domestic is 0.5～1%, and this device can reach 0.2～03. The debugging of this machine is not affected by environment in addition, and debugging is convenient, and the small powder preparation has accurately prevented maloperation effectively, has alleviated labor strength, has improved yield rate, thereby has enhanced productivity.
Embodiment: design a GJS-15000 ton fodder machine control device, general structure such as figure one, improve among the figure one partly by the following machine that connects, 1, small powder is thrown in the storehouse and is changed small powder input machine into by figure two designs, 2, insert the system simulation loaded circuit shown in the figure three between amplifier and the analog-digital converter, 3, feeding motor partly press figure four, figure five design adding motor braking systems.The critical piece model that adopts is as follows: sensor 7 is the VH6-500 type; Amplifier used have low imbalance, the operational amplifier 09-07 of low noise, low drift; Digital wash has adopted a kind of 4 1/2 high accuracy panel tables, and its range is 200mv, and precision is ± 0.025%FS; Adopt the TP-805 microcomputer; There are three blocks of Z80-PIO plates to be responsible for transmitting control information between computer and the external equipment on the expansion interface plate, also have the timer of a Z80-CTC as system clock; Other parts are standard and make appliance.This device charging feed bin 1 is seen figure six with being connected of scale bucket 3 and feeding motor 2.
The weighing range of this device is the 0-500 kilogram; The batching kind, fundamental system is 10 kinds, can expand to 20 kinds (not comprising trace element); Proportioning accuracy, static accuracy 0.1%(full scale), dynamically＜the 0.3%(full scale); All operations adopts the Chinese character conversational mode; Eight Chinese character statistical form tables such as printable class product, daily output, material consumption.
Claims (3)
1, a kind of fodder machine control device is by charging feed bin 1, the feeding motor 2 of control charging, scale bucket 3, the sliding door motor 4 of open and close scale sluice gate, the feed making system that the mixer 6 of connection scale bucket 3 and small powder feed bin 5 is formed; By the sensor of placing in the scale bucket 7, the amplifier 8 of Lian Jieing successively, analog-digital converter 9, expansion interface plate 10, microcomputer 11, computer control power supply 12 connects 11 printer 13, display 14 and connects the Control System of Microcomputer that 9 digital wash 15 is formed; By the input interface circuit and the input relay group 16 that connect 10, the electric power system 18 of output interface circuit and output relay group 17 and whole device is formed of the present utility model being characterised in that:
A, set up small powder and thrown in machine, its formation is that small powder feed bin 5 is placed on the rotating disk 19, rotating disk 19 and Ma Shi wheel indexing mechanism 21 are placed on the turning cylinder 20, gearbox 22 drives Ma Shi wheel and dial rotation, the storehouse 23 that connects material that is placed in below the small powder feed bin communicates with mixer 6, and below the small powder feed bin and connect material a sliding door 26 is respectively arranged above the storehouse 23, the open and close of sliding door are by sliding door apparatus 24 controls, be provided with sliding door motor 4 in the sliding door apparatus, be provided with travel switch 25 in addition;
B, Control System of Microcomputer have been set up the system simulation loaded circuit, this circuit is formed an analog loopback by resistance 27, potentiometer 29, power supply 28, the end that potentiometer links to each other with the electrode negative pole links to each other with the amplifier earth terminal, the potentiometer moved end connects analog switch 30, and analog switch is used to connect the signal of input analog-to-digital converter input;
C, increased brakes to feeding motor, the major loop of this system adopts conventional bridge rectifier, and its control loop adopts conventional control relay circuit.
2, fodder machine control device according to claim 1 is characterized in that small powder input machine has adopted ten binary Ma Shi wheel indexing mechanisms.
3, fodder machine control device according to claim 1 is characterized in that the power-off delay relay in the brakes control relay circuit, is to adopt commercially available 5G555 timer as delay chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN88202955U CN2034377U (en) | 1988-04-15 | 1988-04-15 | Feeder grinder controlling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN88202955U CN2034377U (en) | 1988-04-15 | 1988-04-15 | Feeder grinder controlling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2034377U true CN2034377U (en) | 1989-03-22 |
Family
ID=4837873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN88202955U Withdrawn CN2034377U (en) | 1988-04-15 | 1988-04-15 | Feeder grinder controlling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2034377U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103340278A (en) * | 2013-06-09 | 2013-10-09 | 无锡市华牧机械有限公司 | Method for producing forage by feed machine |
| CN104985752A (en) * | 2015-06-09 | 2015-10-21 | 苏州乔布注塑工业有限公司 | Feeding mechanism for injection molding machine |
-
1988
- 1988-04-15 CN CN88202955U patent/CN2034377U/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103340278A (en) * | 2013-06-09 | 2013-10-09 | 无锡市华牧机械有限公司 | Method for producing forage by feed machine |
| CN104985752A (en) * | 2015-06-09 | 2015-10-21 | 苏州乔布注塑工业有限公司 | Feeding mechanism for injection molding machine |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C15 | Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993) | ||
| RN01 | Renewal of patent term | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |