Weight-loss type Trace feeder
Technical field
The utility model is related to flour, food machinery field, is that a kind of loose unpacked materials such as all kinds of powder, fine grained that are used for exist
The equipment of accurate reliable continuous dosing or accurate batch dispensing is carried out on production line.
Background technology
With the popularization of varieties of food items tailored flour, flour mill reaches its maturity with powder craft and equipment, matches somebody with somebody currently used for flour
The equipment of powder is all to take feeding auger to add the metering method of batching to realize the proportioning of popular material, for adding for little kind
Plus the interpolation metering of the trace element such as agent, modifying agent, vitamin is also the burden balance for taking low capacity, due to burden balance hopper all
Using double-door type or flashboard type structure, generally existing weighing material material leakage, the problems such as unload unclean, material kind is caused to hand over
Fork, has influence on the precision and product quality quality for adding trace element.Many to a small amount of powder especially for noodles factory, food factory etc.
Point metering add when, existing burden balance structure is very inconvenient, and precision it is difficult to ensure that, sometimes have to less to addition
Additive need to carry out premixing dilution, increased interpolation program, and the display of the interior remaining material that cannot carry out in real time struggling against,
It is unfavorable for production management.
Content of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, there is provided a kind of loss of weight type micro adds
Machine, be a kind of carry out for the such as powder such as flour, Gluten, additive, nutrient, fine particulate bulk cargo material accurate, calmly
Amount feed or the micro interpolation equipment of accurate batch dispensing, can be widely used for the company in fields such as flour, food, industrial chemicals
Continuous dosing, continuous and quantitative dispensing, weight-loss type packaging and high accuracy batch dispensing.The technical solution adopted in the utility model
It is:
A kind of weight-loss type Trace feeder, including:Storaging bucket, feeding cavity, broken arch mechanism, discharging mechanism, Weighing module,
Weighing unit;
Broken arch mechanism includes broken arch power set and broken arch axle;Discharging mechanism includes converying feeding tube, screw auger and discharging
Power set;
The bottom of storaging bucket is fastened on feeding cavity;Broken arch is separately installed with the upper and lower of feeding cavity
Mechanism and discharging mechanism;Broken arch axle is horizontally installed in feeding cavity internal upper part, and by being assemblied in the broken arch of feeding cavity side
Power set drive;Broken arch axle is provided with blade;Screw auger is located at the lower section of feeding cavity inner broken arch axle, and with broken arch axle on
Blade between leave gap;Converying feeding tube of one end alignment of screw auger installed in feeding cavity side, the other end connect
It is assemblied in the discharging power set of feeding cavity opposite side;
On weighing unit, Weighing module is fixed on inside weighing unit feeding cavity.
Further, the blade front end on broken arch axle is provided with bifurcated.
Further, the blade on broken arch axle is installed at circumferentially spaced apart 90 degree;Axially a spaced distance is installed.
Further, Weighing module includes three weight sensors and a weighing instrument;Weight sensor connection is weighed
Instrument, weighing instrument connect PLC;PLC connects discharging machine by frequency converter.
Further, broken arch power set include broken arch motor and broken arch reductor, broken arch motor connection broken arch reductor,
Broken arch reductor connects broken arch axle.
Further, discharging power set include that discharging machine and discharging reductor, discharging machine connect discharging reductor,
Discharging reductor connection screw auger.
Further, the bottom of weighing unit is equipped with four shock-absorbing foot cups.
Further, openable top cover is provided with the top of storaging bucket.
The utility model has the advantage of:Dynamic reflects surplus in actual feeding capacity and bucket in real time, gives warning in advance, can
The phenomenon for preventing empty material or last batch not enough so that adding procedure is more safe and reliable;It is only that material bin is configured with a cuff
The broken arch mechanism for writing a biography dynamic, broken arch blade are rotated with constant speed, can both have been effectively prevent material and tied arch in bucket, and can control
The uniform flow of system feeding lower section screw auger, the feeding for solving the common feeding machine granular material poor to mobility are uniform
Degree is difficult to the problem for controlling, it is ensured that the Pouring oar of trace material;Discharging mechanism takes helical blade structure, using frequency converter
The rotating speed of control helical blade, it is ensured that the rate of feeding for adding materials and Pouring oar;The weighing section of equipment is by mould of weighing
Block and weighing unit are constituted, and Weighing module is fixed on inside weighing unit, by rubber shock-absorbing cup pin below weighing unit
Support, can eliminate the impact that ambient vibration is measured to equipment.
Weight-loss type Trace feeder in actual applications, has reached satisfied technique effect, and through on-the-spot test, loss of weight declines
Amount interpolation machine is easy for installation, simple to operate, and feeding is uniform, accurate, it is ensured that measuring accuracy is static(Weight detecting)Better than ±
0.1% F S, dynamic(Material is examined and determine)Better than ± 0.3% F S, meet flour mill, food factory and other industries and add powdery
The requirement of trace material precision, and it is full-automatic to cause powdery trace material to add realization.
Description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is control system schematic diagram of the present utility model.
Specific embodiment
With reference to concrete drawings and Examples, the utility model is described in further detail.
The utility model provides a kind of simple structure, feeding weight-loss type Trace feeder accurate, easy for installation, its work
Principle is the equal and quantitative on a production line using Reduce and measure again principle, by the powdery being pre-stored in storaging bucket or fine granular materials
Ground is added in lower one equipment, realizes that continuous dosing, continuous and quantitative dispensing, weight-loss type packaging and high accuracy batch are matched somebody with somebody
Material.Weight-loss type Trace feeder is realized metering and feeding by a set of control system, its control system comprising a main control PLC and
Two control terminals.Remotely control is realized that by the PC terminals for being located at Central Control Room local control is realized by the touch-screen at scene, and
And can be by presentation of information such as weight, batch, times on PC and touch-screen.
As shown in figure 1, the utility model proposes weight-loss type Trace feeder, including:Top cover 1, storaging bucket 2, feeding chamber
Body 3, broken arch mechanism 4, discharging mechanism 5, broken arch power set 6, broken arch axle 7, converying feeding tube 8, screw auger 9 and discharging power dress
Put 10, Weighing module 11, weighing unit 12;
Broken arch mechanism 4 includes broken arch power set 6 and broken arch axle 7;Discharging mechanism 5 includes converying feeding tube 8, screw auger 9
With discharging power set 10;
Openable top cover 1 is installed at the top of storaging bucket 2, the capacity of storaging bucket 2 can manufacture and design according to customer requirement, deposit
The bottom of hopper 2 is bolted and is fixed on the feeding cavity 3 of circular arc bottom;Distinguish in the upper and lower of feeding cavity 3
Broken arch mechanism 4 and discharging mechanism 5 are installed;Broken arch axle 7 is horizontally installed in 3 internal upper part of feeding cavity, and by being assemblied in feeding
The broken arch power set 6 of 3 side of cavity drive, and broken arch power set 6 include broken arch motor 61 and broken arch reductor 62, broken arch electricity
The connection broken arch of machine 61 reductor 62, the connection broken arch of broken arch reductor 62 axle 7;Broken arch axle 7 is provided with blade 71, on broken arch axle 7
Blade 71 is installed at circumferentially spaced apart 90 degree, and axially a spaced distance is installed;71 front end of blade is provided with bifurcated, is more beneficial for
Prevent material from tying arch in bucket;Screw auger 9 is located at the lower section of 3 inner broken arch axle 7 of feeding cavity, and with broken arch axle 7 on blade
Gap is left between 71;Material can be pushed by the helical blade on screw auger 9 to output expects pipe 8;One end of screw auger 9
Converying feeding tube 8 of the alignment installed in 3 side of feeding cavity, the other end are linked and packed in the discharging power of 3 opposite side of feeding cavity
Device 10;Discharging power set 10 include discharging machine 101 and discharging reductor 102, the connection discharging reductor of discharging machine 101
102, the discharging connection screw auger 9 of reductor 102;Discharging machine is controlled the feeding uniformity and is fed by Frequency Converter Control rotating speed
Material speed;
On weighing unit 12, Weighing module 11 is fixed on inside weighing unit 12 feeding cavity 3.Weighing module 11 is carried
The quality of whole metering section;Four rubber shock-absorbing cup pin 13 are housed in the bottom of weighing unit 12, to avoid live vibration
The impact measured by equipment.
The control system of weight-loss type Trace feeder is as shown in Fig. 2 comprising a main control PLC and two control terminals.Far
By the PC terminals of Central Control Room are located at realizing, local control is realized by the touch-screen at scene for process control, and can by weight, batch
The presentation of information such as secondary, time are on PC and touch-screen.Weighing module 11 includes three weight sensors and a weighing instrument;Weight
Quantity sensor connects weighing instrument, and weighing instrument connects PLC;PLC connects discharging machine by frequency converter.Weight sensor will be adopted
The data transfer for collecting becomes real weight data to weighing instrument, after the data processing of weighing instrument, and can be with
With PLC real-time communications.
In dispensing stage, system first to pre-set target weight, batch, at a slow speed amount and air weighting(Weight-loss type
The inventory of Trace feeder equipment room together with lower)Processed etc. parameter, then the weight of material on Weighing module is entered
Row judges that meeting if weight and transmitting a signal to frequency converter by PLC if previous batch, control discharging machine is quickly run, from
And quickly discharging.When amount at a slow speed is reached, discharging machine slow running is controlled, realize discharging at a slow speed, it is ensured that the accuracy of discharging.
Stop after target target weight value is reached, carry out the dispensing of next batch, repeat above action.In blending process, discharging
Motor is in low-speed run state all the time, it can be ensured that the low dose of interpolation of material needs.In said process, touch-screen shows in real time
Show the amount for having discharged.