CN207275022U - The horizontal packing device of screw and weight sorting device coordinated control system - Google Patents
The horizontal packing device of screw and weight sorting device coordinated control system Download PDFInfo
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- CN207275022U CN207275022U CN201721065743.2U CN201721065743U CN207275022U CN 207275022 U CN207275022 U CN 207275022U CN 201721065743 U CN201721065743 U CN 201721065743U CN 207275022 U CN207275022 U CN 207275022U
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Abstract
The utility model discloses a kind of horizontal packing device of screw and weight sorting device coordinated control system, including the horizontal packing device of screw, weight sorting device and control unit, the weight sorting device weighs to the product after the horizontal packing device of the screw is filled and packed, described control unit is used to control charging quantity by weighing result compared with weight limit and to the horizontal packing device output control signal of screw, the closed-loop control of correction of deviation can be achieved, reduce quantitative package error.
Description
Technical field
The utility model belongs to quantitative package technical field, is related to a kind of horizontal packing device of screw and is filled with weight sorting
Put coordinated control system.
Background technology
At present in industrialized production, in order to realize quantitative package and improve production efficiency, most enterprises are using automatic fixed
Amount stowage unit packs form of powdery particles material.Wherein, using more generally screw horizontal packing machine, mainly
It is made of driving motor, accumulator, screw rod, screw rod installation set etc..Screw rod rotation feed be provided by servomotor it is dynamic
Power, between the two by synchronous belt passing power, can so accurately control the rotating cycle of screw rod, so that it is guaranteed that fill
Precision.The control signal of screw rod rotating cycle is the gravimetric value according to setting by PLC program controller, according to the ratio of powder particle
Restatement calculates corresponding volume, and corresponding control wave is obtained after being computed and is defeated by motor servo driver, then by watching
Driver is taken according to the input signal of PLC to drive servomotor to rotate the corresponding number of turns, synchronized band drives screw rod rotation
Complete the process of filling feed every time.
The advantages of screw horizontal packing machine is simple in structure, it is not necessary to which weighing device, cost is relatively low, and pack effectiveness is high.
But its shortcoming is to fill precision easily by stability, the degree uniform in size of material particles for being filled with material density
And the influence of the characteristic such as the hygroscopicity of material and loosening degree, so as to cause the product net content of packaging out to there is fluctuation
Property.When sampling observation finds that fluctuating error is larger, direct labor need to rule of thumb iterate through manual regulation button 11 (see Fig. 1) and adjust
Whole screw rod servo-driver ensures product weight in the reasonable scope.
Utility model content
In view of this, the main purpose of the utility model is that providing a kind of horizontal packing device of screw and weight sorting
Device coordinated control system, to solve at least one of above-mentioned technical problem referred to.
To realize above-mentioned purpose of utility model, the technical solution of the utility model is as follows：
A kind of horizontal packing device of screw and weight sorting device coordinated control system, including the horizontal packaging dress of screw
Put and weight sorting device, the horizontal packing device of screw are included for bag making, the horizontal packaging unit of sealing and use
Unit is filled in the screw of filling；
The coordinated control system further includes control unit and input unit；
The weight sorting device includes weight sensor, and the weight sensor connects control unit, for control
Unit transmits weight detecting signal；
The horizontal packaging unit connects control unit, and bag making, envelope are carried out for obtaining control signal from control unit
Mouth operation；
The screw filling unit connection control unit, charging quantity is carried out for obtaining control signal from control unit
Control；
The input unit includes touch-screen, and the touch-screen connects control unit, is set for being inputted to control unit
Limit value and the accumulative value signal of setting；
Described control unit be used for horizontal packaging unit send control bag making and packaging control signal and will
After processing, control is sent to screw filling unit compared with duty setting signal, the accumulative value signal of setting for weight detecting signal
Make the control signal of filling.
Preferably, the screw filling unit includes servo-driver, servomotor and screw rod, the servo-driver
It is connected with described control unit and receives the control signal of described control unit, the servomotor connecting screw and servo-drive
Device, and under the servo driver drives control screw rod rotation.
Preferably, the screw filling unit further includes the accumulator being arranged at outside screw rod.
Preferably, described control unit includes the weight sorting controller being arranged in weight sorting device and is arranged at water
The PLC controller of flat packaging unit；
The weight sorting controller is used for the detection signal with setting restriction signal relatively and exporting contrast signal
To the PLC controller；
The PLC controller is used to carry out logic judgment to the contrast signal, when of the same race right outside weight limit scope
When continuous number than signal exceeds setting aggregate-value, then change the quantity that pulse signal is sent to the servo-driver.
Preferably, the input unit includes the first touch-screen in weight sorting device and is packed positioned at horizontal
Second touch-screen of unit, first touch-screen are used to set restriction signal, and second touch-screen is used to set aggregate-value
Signal.
Compared with prior art, the beneficial effects of the utility model are：Product virtual package amount fluctuates small, control accuracy
Height, can reach within 1%, and the degree of automation is high.Weight point only need to be passed through in numerical value such as input weight bound, adjustment package numbers
Screening device detects product weight information and exports and sent accordingly according to the feedback information of reception to control unit, control unit in real time
Servo-driver of the control instruction to screw filling unit so that whole system can be automatic according to the change of product weight
Adjustment screw formula filling unit in screw rod rotating cycle, realize without shut down just can correction of deviation closed-loop control, improve
Production efficiency, while extremely heavy or extremely light product phenomenon is decreased, especially it is the reduction of weighing positive error band in packaging process
The loss come.
Brief description of the drawings
Fig. 1 is the structure diagram of embodiment in the utility model；
Fig. 2 is the control flow chart of embodiment in the utility model.
Wherein, 1- weight sensors；2- weight sorting controllers；3- weight sets touch-screen；4- conveyer belts；5- packing machines
Touch-screen；6-PLC controllers；7- servo-drivers；8- servomotors；9- accumulators；10- screw rods；The manual regulation buttons of 11-.
Embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, below in conjunction with specific embodiment, and
Referring to the drawings, the utility model is described in further detail.
The utility model provides a kind of horizontal packing device of screw and weight sorting device coordinated control system, including spiral shell
The horizontal packing device of rod-type and weight sorting device, the horizontal packing device of screw include the level for bag making, sealing
Formula packaging unit and the screw filling unit for filling；The coordinated control system further includes control unit and input is single
Member；The weight sorting device includes weight sensor, and the weight sensor connects control unit, for being passed to control unit
Pass weight detecting signal；The horizontal packaging unit connects control unit, is carried out for obtaining control signal from control unit
Bag making, sealing operation；The screw filling unit connection control unit, is filled for obtaining control signal from control unit
The control for the amount of filling out；The input unit includes touch-screen, and the touch-screen connects control unit, for being set to control unit input
Threshold value and the accumulative value signal of setting；
Specifically, link as shown in Figure 1 for the horizontal packing device of screw and weight sorting device of a specific embodiment
Control system, the weight sorting device include weight sensor 1, weight sorting controller 2, weight and set touch-screen 3, transmission
Band 4, the detection signal conveying weight sorting controller 2 of weight sensor 1, weight sorting controller 2 is according to the detection signal
It is compared with the weight limit signal of the setting of touch-screen 3 and exports comparison signal, conveyer belt 4 is in weight sorting controller 2
The lower operation of control.
Horizontal packaging unit is by the package component structure such as packing machine touch-screen 5, PLC controller 6 and bag making, sealing, shearing
Into since these package components such as bag making, sealing, shearing are run under the control of PLC controller 6, because it is prior art
Interior commonly used equipment, therefore details are not described herein.PLC controller 6 receives the comparison signal of weight sorting controller 2, and by same ratio
Compared with signal aggregate-value compared with the setting aggregate-value that touch-screen 5 is set, according to comparative result output control signal；
Screw fills unit by groups such as servo-driver 7, servomotor 8, accumulator 9, screw rod 10 and screw rod installation sets
Into the control signal that servo-driver 7 is exported according to PLC controller 6 controls servomotor 8, and then controls 10 rotation amount of screw rod.
Weight sorting controller 2 described in screw rod 10 and PLC controller 6 form the control unit of whole system together.To sum up, the linkage
The control mode of control system is connected for the signal output part of weight sorting device with the signal input part of horizontal packaging unit,
It is connected again by the signal output part of horizontal packaging unit with the signal input part of screw filling unit, so as to complete to control.
It is the method flow that the filling weight automatic and accurate carried out using above-mentioned coordinated control system is adjusted as described in Figure 2,
Specifically comprise the following steps：
(1) set the weight bound of touch-screen 3 that interface is set in weight to set a reference value respectively be 40g, upper limit value is
0.4g, lower limit 0.1g.
(2) in the adjustment of weighing of packing machine touch-screen 5, to set interface to set adjustment package number be 2, i.e., continuously occur laying particular stress on or
Partially light bag number for 2 bag after with regard to once being adjusted.
(3) weight sorting device is transported to by conveyer belt 4 through the horizontal packing device of screw packaged product, works as product
" weighting " signal is then exported by controller 2 when weight is more than 40.4g, is then exported when product weight is less than 39.9g by controller 2
" partially light " signal, then " appropriate " signal is exported when product weight is between 39.9g and 40.4g by controller 2.
(4) after the output signal of weight sorting device is input to the PLC controller 6 of horizontal packaging unit by circuit,
It will appear from following several situations：
If a. have 2 continuous product weights more than 40.4g, the PLC controller 6 of horizontal packaging unit can subtract automatically
10 umber of pulses of few servo-driver 7, servo-driver 7 control motor 8 and then adjustment screw according to the pulse signal of input
10 and 9 rotation angles (such as original rotation angle is 1800 degree, is adjusted to 1791 degree) are reduced, fill volume is accordingly reduced,
And then reach the appropriate effect for reducing product weight when packing next time.
If b. product weight is that interval occurs more than 40.4g, discrete, lays particular stress on accumulated quantity and be then zeroed, then servo
The pulse number of driver 7 is constant, and sending action does not instruct servo-driver at this time, maintains 10 rotation angle of screw rod constant.This
Illustrate that quantitative package weight error in allowed band, can proceed with filling and packing.
If c. have 2 continuous product weights to be less than 39.9g, the PLC controller 6 of packing machine can increase servo automatically and drive
10 umber of pulses of dynamic device 7, servo-driver 7 controls servomotor 7 according to the pulse signal of input and then adjustment screw 10 is simultaneously
9 rotation angles of increase (such as original rotation angle is 1800 degree, is adjusted to 1809 degree), make fill volume accordingly increase, and then
Reach the effect of appropriate increase product weight when packing next time.
If d. product weight is that interval occurs less than 39.9g, discrete, partially light accumulated quantity is then zeroed, and servo is driven
The pulse number of dynamic device 7 is constant, and sending action does not instruct servo-driver 7 at this time, maintains screw rod rotation angle constant.This explanation
Quantitative package weight error can proceed with filling and packing in allowed band.
If e. product weight is between 39.9g and 40.4g, lays particular stress on partially light accumulated quantity and be zeroed, servo-driver 7
Pulse number is constant, and sending action does not instruct servo-driver 7 at this time, maintains screw rod rotation angle constant.The quantitative bag of this explanation
Weight error is filled in allowed band, can proceed with filling and packing.
Thus, screw rod 10 in unit is filled according to the weight change adjustment screw formula of product itself by above-mentioned control method
Rotating cycle, realize without shut down just can correction of deviation closed-loop control.
Particular embodiments described above, has carried out into one the purpose of this utility model, technical solution and beneficial effect
Step describes in detail, it should be understood that the foregoing is merely specific embodiment of the utility model, is not limited to this reality
With new, where within the spirit and principles of the present invention, any modification, equivalent substitution, improvement and etc. done, should all include
Within the scope of protection of the utility model.
Claims (5)
1. a kind of horizontal packing device of screw and weight sorting device coordinated control system, including the horizontal packing device of screw
With weight sorting device, it is characterised in that the horizontal packing device of screw includes the horizontal packaging for bag making, sealing
Unit and the screw filling unit for filling；
The coordinated control system further includes control unit and input unit；
The weight sorting device includes weight sensor, and the weight sensor connects control unit, for control unit
Transmit weight detecting signal；
The horizontal packaging unit connects control unit, and bag making, sealing behaviour are carried out for obtaining control signal from control unit
Make；
The screw filling unit connection control unit, for obtaining the control of control signal progress charging quantity from control unit
System；
The input unit includes touch-screen, and the touch-screen connects control unit, for inputting setting limit value to control unit
With the accumulative value signal of setting；
Described control unit is used to send the control signal of control bag making and packaging and by weight to horizontal packaging unit
Detect signal and after processing, send control compared with duty setting signal, the accumulative value signal of setting to screw filling unit and fill
The control signal for the amount of filling out.
2. coordinated control system according to claim 1, it is characterised in that the screw filling unit drives including servo
Dynamic device, servomotor and screw rod, the servo-driver are connected with described control unit and receive the control of described control unit
Signal, the servomotor connecting screw and servo-driver, and under the servo driver drives control screw rod rotation.
3. coordinated control system according to claim 2, it is characterised in that the screw filling unit further includes setting
In the accumulator outside screw rod.
4. coordinated control system according to claim 2, it is characterised in that described control unit includes being arranged at weight point
Weight sorting controller in screening device and the PLC controller for being arranged at horizontal packaging unit；
The weight sorting controller is used for the detection signal with setting restriction signal relatively and exporting contrast signal to institute
State PLC controller；
The PLC controller is used to carry out logic judgment to the contrast signal, when the contrast of the same race letter outside weight limit scope
Number continuous number beyond setting aggregate-value when, then change to the servo-driver send pulse signal quantity.
5. coordinated control system according to claim 1, it is characterised in that the input unit includes being located at weight sorting
The first touch-screen in device and the second touch-screen positioned at horizontal packaging unit, first touch-screen are used to set limit value
Signal, second touch-screen are used to set accumulative value signal.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721065743.2U CN207275022U (en) | 2017-08-24 | 2017-08-24 | The horizontal packing device of screw and weight sorting device coordinated control system |
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|---|---|---|---|
| CN201721065743.2U CN207275022U (en) | 2017-08-24 | 2017-08-24 | The horizontal packing device of screw and weight sorting device coordinated control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107685883A (en) * | 2017-08-24 | 2018-02-13 | 上海太太乐食品有限公司 | The horizontal packing device of screw and weight sorting device coordinated control system and method |
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2017
- 2017-08-24 CN CN201721065743.2U patent/CN207275022U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107685883A (en) * | 2017-08-24 | 2018-02-13 | 上海太太乐食品有限公司 | The horizontal packing device of screw and weight sorting device coordinated control system and method |
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