Automatic temperature measurement and feedback control device of winding machine

Abstract

The invention discloses an automatic temperature measurement and feedback control device for a winding machine, and the device comprises a first temperature measurement unit which is disposed on the winding machine and is used for monitoring the first temperature data of a rubber material during winding in real time; the second temperature measuring unit is arranged on the extruder and is used for monitoring second temperature data of the rubber material during extrusion in real time; the display unit is used for acquiring and displaying the first temperature data and the second temperature data; the control unit is used for determining a temperature change difference value and a change rate based on the obtained first temperature data and the second temperature data; and the feedback adjusting unit is used for adjusting the production rate of the extruder based on the temperature change difference value and the change rate. According to the invention, the first temperature data of the rubber material during winding and the second temperature data of the rubber material during extrusion can be monitored in real time, the operation and production parameters of the extruder can be adjusted based on the data such as the temperature change rate, and the automatic speed control is realized, so that the equipment can continuously operate within the set upper and lower limit temperature ranges, and the product quality is guaranteed.

Description

Technical Field

[0001] The invention relates to the technical field of temperature control, and in particular to an automatic temperature measurement and feedback control device for a winding machine. Background Art

[0002] The wrapping machine is a widely used equipment in the tire industry. It is mainly composed of an extruder, a wrapping head, a cooling roller, a cutting device, etc. Its working principle is to fully stir the rubber through the extruder and extrude it according to the die shape, and then wrap the extruded rubber around the semi-finished tire embryo of the molding machine through the wrapping head to form a complete tire embryo.

[0003] The existing winding machines have serious over-temperature problems, with extrusion temperatures exceeding 120°C and winding temperatures exceeding 70°C. The product qualification rate is poor, and there is no automatic speed control function, which has a great impact on the winding quality.

[0004] To solve this problem, an automatic temperature measurement and feedback control device for a winding machine is designed to measure the temperature of the extruder head and the rubber material of the winding head and perform automatic speed control, so that the equipment can run continuously within the set upper and lower temperature limits to ensure product quality. Summary of the invention

[0005] To this end, the present invention provides an automatic temperature measurement and feedback control device for a winding machine to solve the related technical problems existing in the prior art.

[0006] In order to achieve the above object, the present invention provides the following technical solutions:

[0007] According to a first aspect of the present invention, there is provided an automatic temperature measurement and feedback control device for a winding machine, comprising:

[0008] A first temperature measuring unit is provided on the winding machine and is used to monitor the first temperature data of the rubber material during winding in real time;

[0009] A second temperature measuring unit is provided on the extruder and is used to monitor the second temperature data of the rubber material during extrusion in real time;

[0010] A display unit, which obtains the first temperature data and the second temperature data and displays them;

[0011] A control unit, based on the first temperature data and the second temperature data obtained, determines a temperature change difference and a change rate;

[0012] A feedback regulating unit is used to regulate the production rate of the extruder based on the temperature change difference and the change rate.

[0013] Furthermore, it also includes:

[0014] The alarm unit obtains the second temperature data and sends an alarm signal when the second temperature data exceeds a set temperature threshold.

[0015] Furthermore, the first temperature measuring unit and the second temperature measuring unit are both infrared temperature measuring sensors.

[0016] Further, determining the temperature change difference and the change rate based on the obtained first temperature data and second temperature data includes:

[0017] Continuously monitoring and acquiring first temperature data within a set time, and acquiring first average temperature data of the first temperature data;

[0018] Continuously monitoring and acquiring second temperature data within a set time, and acquiring second average temperature data of the second temperature data;

[0019] Calculate the temperature change difference between the first average temperature data and the second average temperature data;

[0020] The conveying distance and time of the rubber material are obtained, and the temperature change rate is determined based on the temperature change rate calculation formula.

[0021] Furthermore, the temperature change rate calculation formula is as follows:

[0022]

[0023] Among them, ρ is the temperature change rate, A is the temperature change difference, t is the transmission time value, and L is the transmission distance value.

[0024] Further, the production rate of the extruder is adjusted based on the temperature change difference and the change rate, including:

[0025] Get the current production rate of the extruder;

[0026] Get the set temperature data of the rubber material during winding;

[0027] The temperature change rate is obtained and the production rate of the extruder is adjusted based on the regulation model.

[0028] Furthermore, the adjustment model is as follows:

[0029]

[0030] in, is the production rate of the adjusted extruder, k is the adjustment coefficient, T is the set temperature data, ρ is the temperature change rate, and γ is the current production rate of the extruder.

[0031] Furthermore, the control unit is a PLC.

[0032] Furthermore, the display unit is a temperature monitoring instrument.

[0033] According to a second aspect of the present invention, there is provided a wrapping machine, comprising: the automatic temperature measurement and feedback control device for the wrapping machine as described above.

[0034] The present invention has the following advantages:

[0035] The present application provides an automatic temperature measurement and feedback control device for a winding machine, comprising: a first temperature measurement unit, arranged on the winding machine, for real-time monitoring of the first temperature data of the rubber material during winding; a second temperature measurement unit, arranged on the extruder, for real-time monitoring of the second temperature data of the rubber material during extrusion; a display unit, for acquiring the first temperature data and the second temperature data, and displaying them; a control unit, for determining the temperature change difference and the change rate based on the first temperature data and the second temperature data obtained; a feedback adjustment unit, for adjusting the production rate of the extruder based on the temperature change difference and the change rate. The patent application of the present invention can adjust the operating production parameters of the extruder based on the temperature change rate and other data by real-time monitoring the first temperature data of the rubber material during winding and the second temperature data of the rubber material during extrusion, and realize automatic speed control, so that the equipment can continuously operate within the set upper and lower temperature ranges to ensure product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] In order to more clearly illustrate the implementation methods of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for the implementation methods or the description of the prior art. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0037] The structures, proportions, sizes, etc. illustrated in this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with the technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantial technical significance. Any structural modification, change in proportion or adjustment of size shall still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.

[0038] Figure 1 A connection block diagram of an automatic temperature measurement and feedback control device for a winding machine provided by the present invention. DETAILED DESCRIPTION

[0039] The following is a description of the implementation of the present invention by specific embodiments. People familiar with the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0040] In order to solve the related technical problems existing in the prior art, the present application provides an automatic temperature measurement and feedback control device for a winding machine according to a first aspect of the present invention, such as Figure 1 As shown, including:

[0041] The first temperature measuring unit is arranged on the winding machine and is used for real-time monitoring of the first temperature data of the rubber material during winding. In this embodiment, the first temperature measuring unit can adopt an infrared temperature measuring sensor, and its installation position needs to be opposite to the head position of the winding machine, so as to obtain the temperature data of the rubber material in real time and accurately.

[0042] The second temperature measuring unit is arranged on the extruder and is used for real-time monitoring of the second temperature data of the rubber material during extrusion; in this embodiment, the second temperature measuring unit can adopt an infrared temperature measuring sensor, and its installation position can be the head position of the extruder, so as to obtain the temperature data of the rubber material in real time and accurately.

[0043] The display unit obtains the first temperature data and the second temperature data and displays them; the temperature data obtained by the first temperature measuring unit and the second temperature measuring unit are displayed through the display unit, so as to facilitate the staff to view them in real time. In this embodiment, the display unit is a temperature monitor.

[0044] The control unit determines the temperature change difference and the change rate based on the obtained first temperature data and the second temperature data; the control unit is a PLC.

[0045] The feedback regulating unit regulates the production rate of the extruder based on the temperature change difference and the change rate.

[0046] Furthermore, it also includes:

[0047] The alarm unit obtains the second temperature data and sends out an alarm signal when the second temperature data exceeds a set temperature threshold.

[0048] Further, determining the temperature change difference and the change rate based on the obtained first temperature data and the second temperature data includes:

[0049] Continuously monitor and acquire the first temperature data within a set time, and acquire the first average temperature data of the first temperature data; in this embodiment, in order to obtain data with more reference significance, the average value is obtained as the temperature data by acquiring the real-time temperature data within a certain time, such as 3 minutes, to avoid calculation errors.

[0050] The second temperature data is continuously monitored and acquired within a set time, and second average temperature data of the second temperature data is acquired; the same method is not repeated here.

[0051] Calculate the temperature change difference between the first average temperature data and the second average temperature data;

[0052] The conveying distance and time of the rubber material are obtained, and the temperature change rate is determined based on the temperature change rate calculation formula.

[0053] Furthermore, the temperature change rate calculation formula is as follows:

[0054]

[0055] Among them, ρ is the temperature change rate, A is the temperature change difference, t is the transmission time value, and L is the transmission distance value.

[0056] The temperature change rate of the rubber material during the conveying process is determined by the above calculation formula, so that the processing rate of the extruder can be adjusted based on the change rate.

[0057] Further, the production rate of the extruder is adjusted based on the temperature change difference and the change rate, including:

[0058] Get the current production rate of the extruder;

[0059] Get the set temperature data of the rubber material during winding;

[0060] The temperature change rate is obtained and the production rate of the extruder is adjusted based on the regulation model.

[0061] Furthermore, the adjustment model is as follows:

[0062]

[0063] in, is the production rate of the adjusted extruder, k is the adjustment coefficient, T is the set temperature data, ρ is the temperature change rate, and γ is the current production rate of the extruder.

[0064] In this embodiment, γ is the current production rate of the extruder, which may be the rotation speed of the screw. The processing speed of the extruder is adjusted by temperature change data and temperature monitoring.

[0065] According to a second aspect of the present invention, there is provided a wrapping machine, comprising: the above automatic temperature measurement and feedback control device for the wrapping machine.

[0066] The present application provides an automatic temperature measurement and feedback control device for a winding machine, comprising: a first temperature measurement unit, arranged on the winding machine, for real-time monitoring of the first temperature data of the rubber material during winding; a second temperature measurement unit, arranged on the extruder, for real-time monitoring of the second temperature data of the rubber material during extrusion; a display unit, for acquiring the first temperature data and the second temperature data, and displaying them; a control unit, for determining the temperature change difference and the change rate based on the first temperature data and the second temperature data obtained; a feedback adjustment unit, for adjusting the production rate of the extruder based on the temperature change difference and the change rate. The patent application of the present invention can adjust the operating production parameters of the extruder based on the temperature change rate and other data by real-time monitoring the first temperature data of the rubber material during winding and the second temperature data of the rubber material during extrusion, and realize automatic speed control, so that the equipment can continuously operate within the set upper and lower temperature ranges to ensure product quality.

[0067] The winding temperature is monitored in real time by the temperature control monitor, and the built-in algorithm eliminates delays to ensure timely temperature feedback and control as well as screw speed control, avoiding the problem of poor control effect caused by delays.

[0068] Although the present invention has been described in detail above by general description and specific embodiments, it is obvious to those skilled in the art that some modifications or improvements can be made to the present invention. Therefore, these modifications or improvements made without departing from the spirit of the present invention all belong to the scope of protection claimed by the present invention.

Claims

1. An automatic temperature measurement and feedback control device for a winding machine, characterized in that: include: A first temperature measuring unit is provided on the winding machine and is used to monitor the first temperature data of the rubber material during winding in real time; A second temperature measuring unit is provided on the extruder and is used to monitor the second temperature data of the rubber material during extrusion in real time; A display unit, which obtains the first temperature data and the second temperature data and displays them; A control unit, based on the first temperature data and the second temperature data obtained, determines a temperature change difference and a change rate; A feedback regulating unit is used to regulate the production rate of the extruder based on the temperature change difference and the change rate.

2. The automatic temperature measurement and feedback control device for a wrapping machine according to claim 1, characterized in that: Also includes: The alarm unit obtains the second temperature data and sends an alarm signal when the second temperature data exceeds a set temperature threshold.

3. The automatic temperature measurement and feedback control device for a wrapping machine according to claim 1, characterized in that: in, The first temperature measuring unit and the second temperature measuring unit are both infrared temperature measuring sensors.

4. The automatic temperature measurement and feedback control device for a wrapping machine according to claim 1, characterized in that: in, Determining a temperature change difference and a change rate based on the first temperature data and the second temperature data obtained includes: Continuously monitoring and acquiring first temperature data within a set time, and acquiring first average temperature data of the first temperature data; Continuously monitoring and acquiring second temperature data within a set time, and acquiring second average temperature data of the second temperature data; Calculate the temperature change difference between the first average temperature data and the second average temperature data; The conveying distance and time of the rubber material are obtained, and the temperature change rate is determined based on the temperature change rate calculation formula.

5. The automatic temperature measurement and feedback control device for a wrapping machine according to claim 1, characterized in that: in, The temperature change rate calculation formula is as follows: Among them, ρ is the temperature change rate, A is the temperature change difference, t is the transmission time value, and L is the transmission distance value.

6. The automatic temperature measurement and feedback control device for a wrapping machine as claimed in claim 5, characterized in that: in, Based on the temperature change difference and the change rate, adjusting the production rate of the extruder comprises: Get the current production rate of the extruder; Get the set temperature data of the rubber material during winding; The temperature change rate is obtained and the production rate of the extruder is adjusted based on the regulation model.

7. The automatic temperature measurement and feedback control device for a wrapping machine as claimed in claim 6, characterized in that: in, The adjustment model is as follows: in, is the production rate of the adjusted extruder, k is the adjustment coefficient, T is the set temperature data, ρ is the temperature change rate, and γ is the current production rate of the extruder.

8. The automatic temperature measurement and feedback control device for a wrapping machine according to claim 1, characterized in that: The control unit is a PLC.

9. The automatic temperature measurement and feedback control device for a wrapping machine according to claim 1, characterized in that: The display unit is a temperature monitoring instrument.

10. A wrapping machine, characterized in that: include: An automatic temperature measurement and feedback control device for a winding machine as described in any one of claims 1 to 9.

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