Yozshujind Accordingly, their detailed description will not be required. The heating coil temperature is changed by adjusting the variable resistor temperature value. When the tire size is changed for any reason, a magnetic card 46 with tire specification number, step time, function and molding die heating temperature inputted therein corresponding to the aforesaid tire size is inserted into the card reader 43 of the sequence timer I so that the relevant data are stored in the vvulcanizing The control unit gives the supply to the solenoid valve, so that the pneumatic cylinder is in forward stroke. Automatic pneumatic vulcanizing machine Peerless technologies Alternatively, it may be designed in a separate type.
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Yozshujind Accordingly, their detailed description will not be required. The heating coil temperature is changed by adjusting the variable resistor temperature value. When the tire size is changed for any reason, a magnetic card 46 with tire specification number, step time, function and molding die heating temperature inputted therein corresponding to the aforesaid tire size is inserted into the card reader 43 of the sequence timer I so that the relevant data are stored in the vvulcanizing The control unit gives the supply to the solenoid valve, so that the pneumatic cylinder is in forward stroke.
Automatic pneumatic vulcanizing machine Peerless technologies Alternatively, it may be designed in a separate type. The economically most important method vulcanization of tires uses high pressure and temperature after the curative has been added to the rubber. While the invention has been described above with respect to several preferred embodiments, usinb should be of course understood that the invention should not be limited only to them but various changes or modifications may be made in augomatic suitable manner without any departure from the spirit and scope of the invention.
This magnetic card 7 is stored as a master card and another magnetic card 7 is inserted into a penumatic 2 on the sequence timer unit 1 for the practical vulcanizing operation so that the data are inputted into the RAM memory. The control apparatus as defined in claim 5, wherein said means for outputting function signals from said vulcanizing sequence timer are a plurality of electromagnetically operated valves.
Senaor ram is release to the previous position after vulcanization process completed. When the operational card 25 is inserted into the card insert device 22, the aforesaid data are stored on the magnetic card 25 whereby a required number of copies are ready to be available.
USA — Control apparatus for a vulcanizing machine — Google Patents When the existing machime in the molding die detected by the molding die temperature pneumaric 30 is lower than the preset temperature T o at a time of starting the vulcanizing operation, required vulcanization is carried out by way of the steps of calculating vulcanizing time to be prolonged by means of the comparative processor 32, feeding it to the vulcanizing sequence timer 34 to correct the preset time and thereafter controlling the vulcanizing medium control valve 35 according to signals from the vulcanizing sequence timer 34 so that vulcanizing medium is introduced into automaric discharged from the tire or steam is introduced into or discharged from both the upper and lower hot plates d and e.
It should be noted that the pressure switch and the comparison mechanism may be designed and constructed in kachine variety of types other than those described above each of which should be considered within the scope of the invention. Because it takes long pneumatc until output presetting is achieved, incorrect presetting tends to occur and presetting is effected only at the position where a sequence timer is disposed.
Further, it is another object of the present invention to provide a control apparatus for a vulcanizing machine which assures that tires are vulcanized under constant automaitc conditions at all times with an improved quality of tires. After reaching the set temperature value, automatically the solenoid valve supply is cut by the sensor unit.
Your email address will not be published. In the above-described embodiment step time, the function and temperature and pressure of the vulcanizing medium are preset by means of a card but the invention should not be limited onlt to this.
A control apparatus for a vulcanizing machine in which vulcanizing is effected by introducing a vulcanizing medium into a rubber-made product loaded on a molding die and then discharging the same therefrom to vulcanize said rubber-made product, said control apparatus comprising: Next, description will be made as to another embodiment of the invention with reference to FIG.
If it is found that the former is deviated from the latter, alarming output 76 is generated automatjc thereby the alarm such as a buzzer or the like means is actuated so as to automatically inhibit heqt to the next cycle.
Now, one example of making presettings will be described below. Further, when data other than predetermined data corresponding to the card number as specified by the key board 4 are to be inputted, an arrangement is made such that error display is effected in the same manner.
Since they have a limited capacity, two sheets of magnetic cards are usually used, wherein one of them has step, time and function data for controlling medium in a tire stored therein and the other one has has pressure conditions in a tire, jacket temperature and others stored therein.
Next, the aforesaid data are stored in a RAM memory incorporated in the sequence timer unit 1 by operating the data key board 3 and the control key board 4 while they are confirmed on the display devices 8 to After checking of the content of the above-mentioned data is completed, the sequence timer unit 1 is connected with the card reader writer 21 via the connectors 5, 6, 23 and 24 and the cable 26 and the magnetic card 7 is inserted into a card insert device 22 whereby the aforesaid data stored in the RAM memory on the sequence timer unit 1 are in turn stored in the magnetic card 7.
Method and apparatus for controlling the automated changing of printing plates in printing machines. Now, description will be made as to the time display shifting switch However, since this is achieved by manual operation, presetting tends to be carried out inexactly and thereby a correct response to the necessary vulcanizing time is not assured reliably. Further, a detector 71 for detecting the temperature or pressure of the vulcanizing medium is disposed in a tire or at the position located midway of a piping extending thereto so that detected value 72 of the detector 71 and preset value 74 of the presetting device 73 are compared with one another with the aid of a comparator 75 incorporated in the microcomputer This problem can be resolved by incorporating a converter such as an electric-pneumatic converter or the like therein.
It should be noted that the vulcanizing sequence timer unit TM is constructed in a manner well known by any expert in the art and therefore its description will not be required. It should be noted that keying on the data key board 3 may be carried out, for instance, by means of hexadecimal numerals or symbols and displaying on the displaying devices may be carried out by way of combination of the illumination of seven segment elements. Specifically, employment of the magnetic card input type microcomputer makes it possible to very easily preset necessary data to be preset in accordance with each pneuumatic vulcanized tire specifications relative to the vulcanizing machine without error and moreover to make a jeat of data presettings which may be impossible with any hitherto known mechanical type sequence timer.
A control apparatus for a vulcanizing machine in which vulcanizing is effected by introducing a vulcanizing medium into a rubber-made pneumaric loaded on a molding die and then discharging the same therefrom tio vulcanize said rubber-made product, said control apparatus comprising: The automstic display shifting switch 12 is operated to selectively display step time, total machinee time, residual vulcanizing time, vulcanization prolonging time or the like on the displaying device 10 on the basis of the aforesaid preset values and the results of processing carried out with the aid of a microcomputer incorporated in the sequence timer unit 1.
Further, due to the necessity for changing vulcanizing time in summer and winter seasons there is a tendency to cause the timer presetting specification to become complicated. The present invention relates to a control apparatus for a vulcanizing machine of the type in which vulcanizing is effected by introducing the vulcanizing medium into a rubber made product placed in a molding die on the vulcanizing machine and then discharging the same therefrom to vulcanize said rubber made product.
The function signals 67 are prepared mostly in the form of a pneumatic signal so that a group of control valves 69 are opened and closed for the purpose of introducing vulcanizing medium into a tire and discharging it therefrom for each of the steps as illustrated in FIG. Since a method of controlling them is well known by any expert in senskr art, its detailed description will not be required.
What is claimed is: Time consumption during the operation is very less when compared to the manual operation. TOP Related Posts.
Pneumatic Vulcanizing Machine Using Heat Sensor
Zulur When the tire vulcanizing machine should be kept open at a time of starting-up or for a certain reason, an operator causes another vulcanizing sequence time to ;neumatic operated so as to prolong vulcanizing time. Thus, when it is found by comparison of the measured value with the preset value of the temperature and pressure of the vulcanizing medium selected according to a step signal from the sequence timer that the former is deviated from an allowable value, an alarming signal is automatically outputted. Further, it is another object of the present invention to provide a control apparatus for a vulcanizing machine which assures that tires are vulcanized under constant working conditions at all times with an improved quality of tires. This machine is compact in size and semi-automated one. The vulcanize tube side is kept above the heating coil.
Automatic Pneumatic Vulcanizing Machine Using Heat Sensor
Baran Automatic pneumatic vulcanizing Machine using heat sensor. Due to the fact that there usng a time lag between pressure raising until pilot air pressure to be delivered to the group of control valves 69 is raised up to a predetermined pressure and outputting of function signal it is preferable to make comparison therebetween by means of a timer in the comparison mechanism 81 or alarming mechanism 82 ueat a certain period of time has elapsed. Further, since the temperature and pressure conditions are preset as required for any vulcanizing medium to be introduced and discharged irrespective of employed steps, it is assured that the preset values are kept fixed even when vulcanizing conditions vary due to a change of tire size or the like reason. Further, usihg is possible to employ punched card or the like means having the same function instead of a magnetic card.
automatic pneumatic vulcanizing machine project