CN202507539U - Device for automatically controlling unit length and unit gram weight of film blowing machine - Google Patents
Device for automatically controlling unit length and unit gram weight of film blowing machine Download PDFInfo
- Publication number
- CN202507539U CN202507539U CN2012201422558U CN201220142255U CN202507539U CN 202507539 U CN202507539 U CN 202507539U CN 2012201422558 U CN2012201422558 U CN 2012201422558U CN 201220142255 U CN201220142255 U CN 201220142255U CN 202507539 U CN202507539 U CN 202507539U
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- integrated circuit
- pinch rolls
- over pinch
- circuit controller
- rotary encoder
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Abstract
The utility model relates to a device for automatically controlling unit length and gram weight of a film blowing machine. The device comprises a rack, wherein a main dragging roll and a dragging motor for driving the main dragging roll are installed on the rack, a rotational speed monitoring device for synchronously monitoring the rotational speed of the main dragging roll is installed on the rack, an integrated circuit controller is electrically connected on the signal output end of the rotational speed monitoring device, the dragging motor is a numerically-controlled motor, and the signal input end of the dragging motor is electrically connected with the integrated circuit controller; the rotational speed monitoring device is composed of a rotary encoder installed on the rack, and transmission wheels installed at the input end of the rotary encoder and can synchronously rotate with the main dragging roll; the integrated circuit controller uses a touch screen human-computer interface; and the transmission wheels are respectively correspondingly arranged at both sides of the rotary encoder. The device disclosed by the utility model is low in cost and simple in control, and efficiently overcomes the defect of unstable dragging speed due to the influence of voltage fluctuation, thus realizing automatic and precise control on the thickness of a blown film, increasing the finished product rate, and reducing the waste.
Description
Technical field
The utility model relates to a kind of device of automatic control inflation film manufacturing machine unit length grammes per square metre.
Background technology
When existing inflation film manufacturing machine is worked; Blow out film through a wind dish after the raw material melted by heat, be provided with frame directly over the wind dish, two carry-over pinch rolls are installed on the frame side by side; Two carry-over pinch rolls all are rotatably installed on the relative both sides frame of frame through roll shaft; Wherein carry-over pinch rolls drive through traction electric machine and are referred to as main carry-over pinch rolls, and another carry-over pinch rolls are from carry-over pinch rolls, and two carry-over pinch rolls rotate and cooperation tractive film synchronously.Draw rate directly influences the thickness and the yield rate of film.Often fluctuate in the actual production, and then draw rate is changed, cause the inhomogeneous of film thickness, influence the unit length grammes per square metre of membrane, and then reduced yield rate owing to reasons such as voltage pulsation make the rotating speed of traction electric machine.
The utility model content
The technical problem that the utility model will solve is the device that a kind of automatic control inflation film manufacturing machine unit length grammes per square metre is provided to the deficiency of prior art; This device can be monitored the rotating speed of draw rate and feedback adjustment traction electric machine in real time; Thereby realize accurately controlling out the even of film thickness, promote yield rate.
For solving the problems of the technologies described above; The utility model comprises frame; Main carry-over pinch rolls and the traction electric machine that drives main carry-over pinch rolls are installed on the frame; Its design feature is the rotation speed monitor that synchronous monitoring master carry-over pinch rolls rotating speed is installed on the said frame, is electrically connected with integrated circuit controller on the signal output part of this rotation speed monitor, and said traction electric machine is that numerical-control motor and its signal input part are electrically connected with integrated circuit controller.
Said rotation speed monitor is the rotary encoder that is installed on the frame near an end place of main carry-over pinch rolls; Be equipped with on the input of this rotary encoder contact with the surface of main carry-over pinch rolls and with the drive that main carry-over pinch rolls rotate synchronously, be electrically connected with integrated circuit controller on the signal output part of this rotary encoder.
Said integrated circuit controller adopts touch screen human-computer interface.
The beneficial effect of the utility model is: integrated circuit controller is at first set the rated value of traction electric machine rotating speed according to the thickness calibration of charging rate and membrane; Thereby calculate the rated value of the rotating speed of main carry-over pinch rolls; When voltage pulsation makes the traction electric machine rotation speed change; The actual speed of the main carry-over pinch rolls that rotation speed monitor records also changes thereupon, when the actual speed of main carry-over pinch rolls departs from the allowed band of its rated speed, and the rotating speed of the corresponding adjustment traction electric machine of integrated circuit controller; Thereby keep the stable of draw rate, it is even to use film thickness; Rotation speed monitor adopts rotary encoder and two drives, makes to the speed monitoring of main carry-over pinch rolls more stable, reliable; Integrated circuit controller adopts touch screen human-computer interface, and is easy to operate, control is simple.The utility model is simple in structure, with low cost, has realized accurately controlling out automatically film thickness, has got rid of the influence of voltage pulsation to draw rate, has promoted yield rate, has reduced the waste of labour and raw material.
Description of drawings
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is done further explain:
Fig. 1 is the structural representation of a kind of embodiment of the utility model;
Fig. 2 is the structural representation of a kind of embodiment on whole inflation film manufacturing machine of the utility model;
Fig. 3 is the regulation and control flow chart of the integrated circuit controller of the utility model to traction electric machine.
The specific embodiment
With reference to Fig. 1; A kind of embodiment of the utility model comprises frame 1, and frame 1 should be designed to quadra, is the film 7 through blowing out like the wind dish 4 among Fig. 2 under the frame 1; On the frame 1 relative both sides frame two carry-over pinch rolls are installed side by side; Wherein carry-over pinch rolls are driven by traction electric machine 5 through driving chain 6, and these carry-over pinch rolls are defined as main carry-over pinch rolls 2 in the utility model, and other carry-over pinch rolls are called from carry-over pinch rolls 3; Two carry-over pinch rolls cooperate tractive film 7, and draw rate directly has influence on the thickness of film 7.On one side frame of frame 1 at the rotation speed monitor that synchronous monitoring master carry-over pinch rolls 2 rotating speeds are installed near an end place of main carry-over pinch rolls 2; This rotation speed monitor can form the rotary speed information of main carry-over pinch rolls 2 signal output; The signal output part of rotation speed monitor is electrically connected to the signal input part of integrated circuit controller 10; Wherein above-mentioned traction electric machine 5 is a numerical-control motor; Have signal input part and adjustable-speed, the signal output part of integrated circuit controller 10 is electrically connected to the signal input part of traction electric machine 5.Above-mentioned rotation speed monitor is the rotary encoder 8 that is installed on the frame 1 near an end place of main carry-over pinch rolls 2; The output of rotary encoder 8 is electrically connected to the signal input part of integrated circuit controller 10; The input of rotary encoder 8 is equipped with the drives 9 that contact with the surface of main carry-over pinch rolls 2 one ends and rotate synchronously with main carry-over pinch rolls 2; Drive 9 is preferably as shown in the figure to be provided with two; Two drive 9 correspondences be installed in rotary encoder both sides, the signal output part of rotary encoder 8 is electrically connected with integrated circuit controller 10.Wherein, The length long enough of main carry-over pinch rolls 2, the contact position that makes itself and drive 9 has been reserved the medium position that is used for tractive film 7 at the one of which end; The rotating speed of rotary encoder 8 synchronous monitoring master carry-over pinch rolls 2, and rotary speed information coding exported to integrated circuit controller 10.
Shown in Figure 2 is a kind of embodiment sketch map of the utility model on whole inflation film manufacturing machine, describes for convenient, and the end that body 13 is provided with feed hopper 11 is defined as feed end, and body 13 other ends are the blown film end.Be provided with electronic scale 12 between feed hopper 11 and the body 13, electronic scale 12 is the programmable electronic scale, can convert inlet amount to signal output.Raw material gets into body 13 by feed hopper 11, and body 13 feed ends are provided with extruding screw 14, and the external part of extruding screw 14 is connected to a reductor 15, and reductor 15 connects feeding motor 16, and the rotating speed of feeding motor 16 directly influences feeding speed.The signal output part of electronic scale 12 is electrically connected to the signal input part of integrated circuit controller 10.The raw material thawing of in body 13, being heated; Be pushed to the blown film end of body 13 by extruding screw 14, blown film end top is provided with conveyor screw 17 and wind dish 4 from bottom to top successively, and the wind dish blows out film 7; Film 7 extends upward and touches the master and slave carry-over pinch rolls that are located at directly over the wind dish 4; Traction electric machine 5 drives main carry-over pinch rolls 2 and rotates, and main carry-over pinch rolls 2 cooperate from carry-over pinch rolls 3 tractive films 7, and rotary encoder 8 is main carry-over pinch rolls 2 rotating speeds of monitoring in real time.The weight information that integrated circuit controller 10 transmits according to electronic scale 12 calculates the speed of feeding and regulates the rotating speed of feeding motor 16; Realize the constant of feeding speed, and then calculate the rated speed of traction electric machine 5 according to feeding speed and film 7 thickness calibration.Wherein, integrated circuit controller 10 receives the signal of rotary encoders 8 and the circuit part that traction electric machine 5 carries out the speed adjustment is prior art, repeats no more at this.
The flow chart that carries out real-time monitoring for 10 pairs of traction electric machines of integrated circuit controller 5 shown in Figure 3.At step S301, inflation film manufacturing machine work begins, and integrated circuit controller 10 is according to the rated speed of the thickness calibration setting traction electric machine 5 of feeding speed and film 7, and traction electric machine 5 drives main carry-over pinch rolls 2 and also under rated speed, rotates; At step S302, rotary encoder 8 is monitored the rotating speed of main carry-over pinch rolls 2 in real time and actual speed information is exported to integrated circuit controller 10; At step S303, actual speed and rated speed relatively, integrated circuit controller 10 calculates the deviation range that rotating speed allows, and promptly sets to allow the maximum and the minimum of a value that deflect away from; At step S304, integrated circuit controller 10 judges whether actual speed departs from the fluctuation range that normal speed allows, if departed from the permission fluctuation range; Then get into step S305; If in the fluctuation range that allows, directly get into step S306, integrated circuit controller 10 is failure to actuate; At step S305, departed from allowed band among the step S304, integrated circuit controller 10 sends the adjustment signal, and when exceeding maximum permissible value, adjustment reduces the rotating speed of traction electric machine 5, and when being lower than minimum permissible value, adjustment promotes the rotating speed of traction electric machine 5; At step S306, integrated circuit controller 10 is accomplished the speed adjustment to traction electric machine 5.
Claims (3)
1. control the device of inflation film manufacturing machine unit length grammes per square metre automatically; Comprise frame (1); Main carry-over pinch rolls (2) are installed on the frame (1); With the traction electric machine (5) that drives main carry-over pinch rolls (2); It is characterized in that being equipped with on the said frame (1) rotation speed monitor of synchronous monitoring master carry-over pinch rolls (2) rotating speed, be electrically connected with integrated circuit controller (10) on the signal output part of this rotation speed monitor, said traction electric machine (5) is that numerical-control motor and its signal input part are electrically connected with integrated circuit controller (10).
2. the device of automatic control inflation film manufacturing machine unit length grammes per square metre as claimed in claim 1; It is characterized in that said rotation speed monitor is for being installed on the frame (1) rotary encoder (8) near an end place of main carry-over pinch rolls (2); Be equipped with on the input of this rotary encoder (8) contact with the surface of main carry-over pinch rolls (2) and with the drive (9) that main carry-over pinch rolls (2) rotate synchronously, be electrically connected with integrated circuit controller (10) on the signal output part of this rotary encoder (8).
3. the device of automatic control inflation film manufacturing machine unit length grammes per square metre as claimed in claim 1 is characterized in that said integrated circuit controller (10) adopts touch screen human-computer interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201422558U CN202507539U (en) | 2012-04-07 | 2012-04-07 | Device for automatically controlling unit length and unit gram weight of film blowing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201422558U CN202507539U (en) | 2012-04-07 | 2012-04-07 | Device for automatically controlling unit length and unit gram weight of film blowing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202507539U true CN202507539U (en) | 2012-10-31 |
Family
ID=47060042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201422558U Expired - Fee Related CN202507539U (en) | 2012-04-07 | 2012-04-07 | Device for automatically controlling unit length and unit gram weight of film blowing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202507539U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109187377A (en) * | 2018-09-21 | 2019-01-11 | 泉州装备制造研究所 | For detecting the detection device and detection method of photoactive composite material distribution consistency degree |
-
2012
- 2012-04-07 CN CN2012201422558U patent/CN202507539U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109187377A (en) * | 2018-09-21 | 2019-01-11 | 泉州装备制造研究所 | For detecting the detection device and detection method of photoactive composite material distribution consistency degree |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121031 Termination date: 20140407 |