CN100589962C - Method for controlling numerical control device of hot air blower - Google Patents
Method for controlling numerical control device of hot air blower Download PDFInfo
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- CN100589962C CN100589962C CN200810109403A CN200810109403A CN100589962C CN 100589962 C CN100589962 C CN 100589962C CN 200810109403 A CN200810109403 A CN 200810109403A CN 200810109403 A CN200810109403 A CN 200810109403A CN 100589962 C CN100589962 C CN 100589962C
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Abstract
The invention relates to an air heater, in particular to a digital controller which can timely change the shift of the air nozzle of the air heater as well as the control method thereof. The inventionutilizes the air heater to whiff the heated air on a belt via the air nozzle, the melted belt and the material are pressed by a roller for sealing, and the digital control nozzle locating device is used to control the shift of the air nozzle of the air heater. The digital control nozzle locating device provided by the invention can control the locating of the air nozzle according to the speed ofthe material in sealing, thermal transfer can be adjusted effectively, and the belt can be jointed with the material without the influence of uneven melting, thereby effectively guaranteeing the sealing quality of the material.
Description
Technical field
The present invention relates to a kind of air-heater, be specifically related to the control method of numerical control device of the air-heater of a kind of real time altering air-heater tuyere displacement.
Background technology
The combination process of existing adhesive tape type waterproof clothing is as follows: traditional air-heater utilizes air heater to add hot-air, air after the heating is sprayed on the adhesive tape through tuyere, heat energy is the fusion of the hot melt adhesive layer on the adhesive tape, thereby the process roller produces sealing function to adhesive tape after fusing and material pressurization again.Hot blast speed and hot blast temperature are maintained fixed state when operation, thereby make the hot melt adhesive layer on the adhesive tape that average fusion is arranged.Generally speaking, when air-heater was not worked, tuyere was placed on a spare space, and hot blast blows less than adhesive tape on this position.And when air-heater is worked, tuyere will promptly move to a predefined position, and on this position, the hot blast that blows out from tuyere is to be sprayed directly on to the effect that adhesive tape reaches sealing.
For the hot melt adhesive layer that makes adhesive tape has an average fusion, it is necessary that constant heat shifts.In order to reach this point, hot blast is to blow out with a constant wind speed, and it is constant that hot blast temperature keeps, and the distance of tuyere and adhesive tape (tuyere distance) remains unchanged.At one time, adhesive tape can pass the hot-air flow of tuyere ejection with a fixing speed (sealing speed).
Usually, influence heat shifts four very important factors, hot blast speed, hot blast temperature, tuyere distance and sealing speed.In the air-heater course of work, be exposed in the hot-air flow because adhesive tape is only understood the short time, and heat energy arrives the heat of adhesive tape and shifts and finish in dynamically, adhesive tape need be by absorbing in the hot-air flow fusion that become of enough heating power.So the control for above four factors is very crucial, in operating process, more than the change of any one factor of four factors all can directly influence this dynamic equilibrium, the quality that adhesive tape will the influence sealing because fusion is inhomogeneous when sealing like this.
Adhesive tape under the fusion state forms one with material and is tightly connected under the effect of pressure.A most frequently used method is exactly that pressure is added on two rollers that turn to relatively.In traditional method, tuyere the time is to be fixed on a default constant position in operation, and sealing speed also will remain unchanged, and for the encapsulation process of the clothing of structure more complicated, traditional encapsulating method obviously is to lack flexibility like this.
Summary of the invention
This programme has overcome the deficiencies in the prior art, when the clothing to different structure seals, provides a kind of air-heater control method that can change sealing speed under the situation that can not influence airtight quality.
For achieving the above object, the present invention is achieved by following technical solution:
The invention provides a kind of numerical control device of air-heater, comprise roller, tuyere and air heater, be placed with adhesive tape on the described roller, tuyere is connected with air heater, described air heater heats air, and the air after will heating is sprayed on the adhesive tape through tuyere, thereby the pressurization of adhesive tape after roller is fusion and material seals again, it is characterized in that, also comprise the numerical control tuyere positioner that is connected with air heater, motor that is connected with numerical control tuyere positioner and the transmission device that is connected with motor, described numerical control tuyere positioner comprises memory module, the speed test module, the computer numerical control module, motor driver and constitute the interconnective circuit of above-mentioned parts, numerical control tuyere positioner drives motor, and the driven by motor transmission device is controlled the mobile of tuyere.
Memory module of the present invention is deposited the control instruction of material when sealing; Described speed test module is used to detect the sealing speed of adhesive tape and material; Described computer numerical control module is calculated the position of tuyere according to sealing speed; Thereby moving of described motor driver drive motors control tuyere; Described motor is stepper motor or servomotor; Described transmission device is screw mandrel or belt or chain or gear, and transmission device is responsible for driving moving of tuyere.
The present invention also provides a kind of control method of numerical control device of air-heater, controls the tuyere location according to the speed of material when sealing, and specifically may further comprise the steps:
(1) calls the control instruction that in the memory module material is sealed, make tuyere move to a predeterminated position rapidly by the motor driver drive motors material is sealed;
(2) the speed test module is test the speed when material is actual to be sealed;
(3) computer numerical control module is calculated the theoretical velocity of current material, and carries out computing relatively with the speed of material when reality seals, and the result sends motor driver to data operation;
(4) motor driver changes the shift position of tuyere according to following situation drive motors;
1) when actual sealing speed reduces, motor driver drives tuyere apart from increase;
2) when actual sealing speed increases, motor driver drives the tuyere distance and reduces.
Because adopt above technical scheme, the present invention has following beneficial effect:
Numerical control tuyere positioner of the present invention is controlled the location of tuyere according to the speed of material when sealing, can effectively adjust heat shifts, adhesive tape can not influence and the engaging of material because of dissolving inequality, therefore, the present invention has also guaranteed the airtight quality of material effectively when can changing sealing speed and the displacement of digital control tuyere.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Specific embodiments
Owing to the complexity of clothing structure, in operating process, need sew on real time altering at same usually and seal speed, the same with regard to for example driving, speed was slow when the speed ratio during straight line was comparatively fast bent the position.We know that the increase hot blast temperature can compensate, increase hot blast speed with increase sealing speed and can compensate apart from available increase hot blast temperature apart from compensating, increase tuyere with increasing tuyere, wherein, changing hot blast speed and hot blast temperature is to need the long time to react for whole air-heater control system, a so remaining unique factor is the tuyere distance, is to make reaction (time was less than 0.01 second) rapidly for air-heater of the present invention.
As shown in Figure 1, the present invention includes roller 1 and roller 2, tuyere 4 and air heater 3, be placed with adhesive tape 6 on the described roller 2, tuyere 4 is connected with air heater 3,3 pairs of air of described air heater heat, and the air after will heating is sprayed on the adhesive tape 6 through tuyere 4, thereby through roller 1 and roller 2 adhesive tape 6 after fusing and material 5 pressurizations are sealed again, also comprise the numerical control tuyere positioner 7 that is connected with air heater 3, motor 8 that is connected with numerical control tuyere positioner 7 and the transmission device 9 that is connected with motor 8, described numerical control tuyere positioner 7 comprises memory module, the speed test module, the computer numerical control module, motor driver and constitute the interconnective circuit of above-mentioned parts, 7 pairs of motors 8 of numerical control tuyere positioner drive, and motor 8 drives mobile control of 9 pairs of tuyeres of transmission device.
Memory module of the present invention is used to deposit the control instruction of material when sealing, and described speed test module is used to test the sealing speed of adhesive tape 6 and material 5; Described computer numerical control module is calculated the position of tuyere 4 according to sealing speed; Described transmission device 9 can be screw mandrel or belt or chain or gear any one, transmission device 9 is responsible for driving the transmissions of tuyeres 4; Thereby moving of described motor driver drive motors 8 control tuyeres 4.
Motor 8 of the present invention is stepper motor or servomotor, receive a pulse signal that sends from the computer numerical control module when motor driver, drive stepper motor and rotate a fixing angle, thereby drive the purpose that tuyere reaches accurate location indirectly by the direction of setting.The present invention also can use servomotor, and motor driver converts the signal of telecommunication of being received to mechanical action output, thereby drives the purpose that tuyere reaches accurate location indirectly.
Embodiment 1
As shown in Figure 1, the roller 1 of air-heater and roller 2 synchronous backward separately rotate, and described adhesive tape 6 is placed on the roller 2, material 5 is positioned between roller 1 and the roller 2 again.When air-heater in when work, numerical control tuyere positioner 7 at first calls the sealing control instruction from memory module, drive tuyere 4 by motor driver and move to a predefined position rapidly, tuyere 4 blows out hot blast by air heater 3, adhesive tape 6 to nearly tuyere place produces stickiness after absorbing enough heats, seal bonding with material 5 after pressurizeing through the roller 1 and the rolling of roller 2.
In the present embodiment, the position of tuyere 4 can be according to the change of sealing speed and rapidly displacement, the speed during at first by actual sealing of speed test module test material; Calculate the theoretical velocity of current material then by the computer numerical control module, and carry out computing relatively with the speed of material when reality seals, the result sends motor driver to data operation; When the linear speed when adhesive tape 6 passes hot-air flow reduced, motor driver drive motors 8 changed the shift position of tuyere 4, and the horizontal range between tuyere 4 and the adhesive tape 6 is increased; When the linear speed when adhesive tape 6 passes hot-air flow increased, motor driver drive motors 8 changed the shift position of tuyere 4, and the horizontal range between tuyere 4 and the adhesive tape 6 is reduced.
Embodiment 2
As preferred version of the present invention, the quantity of motor 8 and transmission device 9 can be set to 3 respectively, and that transmission device that each motor is corresponding with it interconnects.When air-heater is worked, after tuyere arrives predeterminated position, at first by changing the sealing control instruction in the memory module in the numerical control tuyere positioner 7, send this instruction to the computer numerical control module then, motor driver is driven the motor 8 of representing some directions its control by the computer numerical control module then, and the then coupled transmission device of this motor drives tuyere 4 motions in the lump.Finish driving by motor driver to above-mentioned 3 motors and 3 transmission devices, can realize tuyere 4 up and down about or the moving of front and back three-dimensional.
Claims (4)
1, a kind of control method of numerical control device of air-heater, described air-heater comprises roller, tuyere and air heater, be placed with adhesive tape on the described roller, tuyere is connected with air heater, described air heater heats air, and the air after will heating is sprayed on the adhesive tape through tuyere, thereby the adhesive tape after roller is fusion and material pressurization seal again; Also comprise the numerical control tuyere positioner that is connected with air heater, the motor that is connected with numerical control tuyere positioner and the transmission device that is connected with motor, described numerical control tuyere positioner comprises memory module, speed test module, computer numerical control module, motor driver and constitutes the interconnective circuit of above-mentioned parts, the speed test module sends data to the computer numerical control module, the computer numerical control module is sent to motor driver with result of calculation, motor driver drives motor, and the driven by motor transmission device is controlled the mobile of tuyere;
It is characterized in that described air-heater is controlled the tuyere location according to the speed of material when sealing, and specifically may further comprise the steps:
(1) calls the control instruction that in the memory module material is sealed, make tuyere move to a predeterminated position by the motor driver drive motors material is sealed;
(2) the speed test module is test the speed when material is actual to be sealed;
(3) computer numerical control module is calculated the theoretical velocity of current material, and carries out computing relatively with the speed of material when reality seals, and the result sends motor driver to data operation;
(4) motor driver changes the shift position of tuyere according to following situation drive motors;
1) when actual sealing speed reduces, motor driver drives tuyere apart from increase;
2) when actual sealing speed increases, motor driver drives the tuyere distance and reduces.
2, the control method of the numerical control device of air-heater according to claim 1 is characterized in that, described motor is stepper motor or servomotor.
3, the control method of the numerical control device of air-heater according to claim 1 is characterized in that, described transmission device is screw mandrel or belt or chain or gear.
4, according to the control method of the numerical control device of each described air-heater of claim 1-3, it is characterized in that, the quantity of described motor and transmission device is set to 3 respectively, the transmission device that each motor is corresponding with it interconnects, finish driving by motor driver to above-mentioned 3 motors and 3 transmission devices, realize tuyere up and down about or the moving of front and back three-dimensional.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810109403A CN100589962C (en) | 2008-06-04 | 2008-06-04 | Method for controlling numerical control device of hot air blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810109403A CN100589962C (en) | 2008-06-04 | 2008-06-04 | Method for controlling numerical control device of hot air blower |
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| Publication Number | Publication Date |
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| CN101284420A CN101284420A (en) | 2008-10-15 |
| CN100589962C true CN100589962C (en) | 2010-02-17 |
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| CN200810109403A Active CN100589962C (en) | 2008-06-04 | 2008-06-04 | Method for controlling numerical control device of hot air blower |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102150966A (en) * | 2011-04-02 | 2011-08-17 | 何旭苇 | Motion mechanism of swinging air pressure gun of combined type air heater and operating method thereof |
| CN102285117B (en) * | 2011-07-16 | 2013-06-19 | 赛闻（天津）工业有限公司 | Thickening machine |
| CN107978797A (en) * | 2017-11-20 | 2018-05-01 | 广东南大机器人有限公司 | A kind of rubberizing paper equipment easy to tension adjusting |
| CN108501386B (en) * | 2018-02-21 | 2020-07-10 | 江苏金源交通设施有限公司 | Hot air welding machine for processing chemical plastic plates |
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