阅读说明：本技术 一种能够快速检测加工过程中胶料温度的激光测温方法及装置 (Laser temperature measurement method and device capable of rapidly detecting temperature of rubber material in machining process ) 是由 汪传生 单体仑 边慧光 肖鑫鑫 田晓龙 韩霜 王孔烁 潘义 李朝阳 闫理智 于 2021-10-18 设计创作，主要内容包括：本发明属于密炼设备技术领域,具体涉及一种能够快速检测加工过程中胶料温度的激光测温方法及装置,测温窗口置于密炼机内的底部,与密炼机外部的探头同轴,以使探头发出的激光可以顺利通过测温窗口检测密炼机内胶料的温度,红外探头外侧设置的防尘罩,能够对测温窗口和探头进行保护,防止外界因素影响测温结果的准确性,在胶料的密炼过程中,探头和测温窗口配合能够快速、精确的检测出完全封闭的密炼机内胶料的温度,以分析和研究温度对胶料性能的影响；其结构简单,通过激光测温的方式快速掌握密炼机内胶料的温度变化,反应速度和准确度较现有技术中的热电偶测温方式有很大的提升,具有明显优势。(The invention belongs to the technical field of internal mixing equipment, and particularly relates to a laser temperature measurement method and a laser temperature measurement device capable of rapidly detecting the temperature of rubber materials in a processing process, wherein a temperature measurement window is arranged at the bottom of an internal mixer and is coaxial with a probe outside the internal mixer, so that the temperature of the rubber materials in the internal mixer can be smoothly detected by laser emitted by the probe through the temperature measurement window; the temperature control device is simple in structure, the temperature change of the rubber material in the internal mixer is rapidly mastered in a laser temperature measurement mode, the reaction speed and the accuracy are greatly improved compared with a thermocouple temperature measurement mode in the prior art, and the temperature control device has obvious advantages.)

1. A laser temperature measuring device capable of rapidly detecting the temperature of a rubber material in a processing process is characterized in that a main structure comprises an internal mixer, an upper top bolt, a laser temperature measuring mechanism, a motor, a control cabinet and a cooler; the top of banbury mixer is provided with the ram, and the bottom of banbury mixer is provided with laser temperature measurement mechanism, and the lateral part of banbury mixer is connected with the motor, and the banbury mixer is connected with switch board and cooler electricity respectively, and the switch board is connected with motor and cooler electricity respectively.

2. The laser temperature measuring method and device capable of rapidly detecting the temperature of the rubber material in the processing process according to claim 1, wherein the internal mixer is connected with the motor through a rotor and a reducer.

3. The laser temperature measurement method and device capable of rapidly detecting the temperature of the rubber material in the processing process according to claim 1 or 2, characterized in that the upper ram is arranged above a feeding port at the top of the internal mixer and driven by a hydraulic cylinder.

4. The laser temperature measurement method and device capable of rapidly detecting the temperature of the rubber material in the processing process according to claim 3, wherein the main structure of the laser temperature measurement mechanism comprises a temperature measurement window, a probe, a bracket and a dust cover; the temperature measurement window stretches into the position of a flow surrounding cutter arranged inside the internal mixer, the probe corresponding to the temperature measurement window is arranged outside the internal mixer through a support of an L-shaped structure, the dust cover is arranged outside the probe through the support, and the internal mixer is connected with the dust cover in a bolt manner.

5. The laser temperature measuring method and device capable of rapidly detecting the temperature of the rubber material in the processing process according to claim 4, wherein quartz glass is arranged at the top of the temperature measuring window and fixed on the inner wall of the bottom of the internal mixer through hollow bolts.

6. The laser temperature measurement method and device capable of rapidly detecting the temperature of the rubber material in the processing process according to claim 5, wherein the feeding port is a passage port through which the rubber material enters the internal mixer from above, and the hydraulic cylinder and the upper ram are matched to press the rubber material which cannot enter the internal mixer into the internal mixer; the laser temperature measuring mechanism is arranged at the bottom of the internal mixer; the cooler provides a set temperature environment for banburying of the rubber; the upper end surface of the flow-winding cutter is of an inclined surface structure, and the front end of the flow-winding cutter is of a triangular or circular structure; the upper end of the temperature measuring window is of a cylindrical or truncated cone-shaped structure with a small upper part and a large lower part, the shape of the temperature measuring window is consistent with that of quartz glass, the lower end of the temperature measuring window is of a cylindrical structure with threads, the quartz glass is fixed through friction force between the temperature measuring window and the threads of the hollow bolt, and the laser temperature measuring mechanism performs self-checking every time the laser temperature measuring mechanism is started to test whether the refractive index of infrared light changes or not; the probe is an infrared probe, and the emitted laser is coaxial with the temperature measurement window.

7. The laser temperature measurement method and device capable of rapidly detecting the temperature of the rubber compound in the processing process according to claim 4 or 6, wherein the number of the flow-around knives is 1 or 2.

8. The method and the device for laser temperature measurement capable of rapidly detecting the temperature of the rubber material in the processing process according to claim 7 are characterized in that when in use, the mixing chamber, the hydraulic cylinder, the upper top bolt, the laser temperature measurement mechanism, the rotor, the speed reducer, the motor, the control cabinet and the cooler normally operate, the laser of the probe measures the temperature of the rubber material in real time through the temperature measurement window and feeds the temperature back to the control cabinet, and the dust cover protects the temperature measurement window, the probe and the bracket.

The technical field is as follows:

the invention belongs to the technical field of banburying equipment, and particularly relates to a laser temperature measurement method and a laser temperature measurement device capable of rapidly detecting the temperature of rubber materials in a processing process, which can be used for measuring the temperature of the rubber materials in a banbury mixer in real time.

Background art:

the change of the temperature of the rubber material in the rubber mixing process has great significance to the quality of the rubber material, and the internal mixer in the prior art is commonly used for measuring the temperature by components such as a thermocouple and the like. For example: chinese patent 201620934362.2 discloses an internal mixer with temperature measurement and refrigeration functions, which comprises an internal mixing chamber, wherein a rotor is arranged in the internal mixing chamber, a motor is arranged outside the internal mixing chamber, the rotor is driven by the motor, the upper end part and the lower end part of the internal mixing chamber are respectively provided with a feeding device and a discharging device, the feeding device is composed of a feeding pipeline, a feeding cover plate arranged on the inner wall of the feeding pipeline, a hydraulic cylinder arranged at the top end of the feeding pipeline and an upper ram arranged inside the feeding pipeline and connected with a push rod of the hydraulic cylinder, the discharging device comprises a lower ram, a temperature measuring device is arranged on the internal mixing chamber, the temperature measuring device comprises a temperature sensor, a clamping head and a clamping groove, the clamping groove is arranged on the inner wall of the internal mixing chamber, a mounting hole is arranged at the middle position of the top surface of the clamping head, the temperature sensor is arranged on the clamping head, the clamping head is arranged in the clamping groove, a heat conduction device is arranged between the internal mixing chamber and a refrigeration system, the refrigeration system comprises a refrigerant, a compressor, a condenser, a throttle valve, an evaporator and a pipeline, the compressor, the condenser, the throttle valve and the evaporator are sequentially connected through the pipeline, and the refrigerant is internally arranged in the evaporator; the temperature thermocouple protection device for the internal mixer disclosed in the Chinese patent 201620178733.9 comprises a thermocouple wire, wherein one end of the thermocouple wire is connected with an insulating sleeve, and a wire holder is arranged at one end of the insulating sleeve; one end of the wire holder is provided with a wiring terminal; one end of the thermocouple wire is provided with a temperature sensing element; a fuse sleeve is arranged on one side of the thermocouple wire, and a junction box is arranged on one side of the fuse sleeve; a first sealing ring is arranged at the top end of the junction box, and a cover body is arranged on one side of the first sealing ring; one side of the cover body is provided with a lower bottom bolt, and one end of the lower bottom bolt is provided with a temperature measuring head; one side of the lower bottom bolt is connected with a chain; a bolt mounting hole is formed in the bottom end of the junction box, and a second sealing ring is arranged on one side of the junction box; the improved internal mixer for manufacturing the rubber magnet disclosed in the chinese patent 201420012450.8 comprises an internal mixing chamber, wherein an engaged rotor is fixedly arranged in the internal mixing chamber, and reverse threads and an end surface contact type automatic sealing device are arranged at two ends of the rotor; a temperature measuring system communicated with the interior of the mixing chamber is arranged outside the mixing chamber; the rotor is uniformly provided with long convex ridges, middle convex ridges and short convex ridges at intervals, and is connected with a rotating device driven to rotate by a motor; the spiral directions of the long convex edges and the middle convex edges are consistent; the spiral directions of the middle convex edges and the short convex edges are opposite; the automatic sealing device comprises a bearing support provided with a mounting hole and an abrasion-resistant plate arranged in the bearing support hole, wherein a sealing oil cylinder is arranged on the bearing support, and a movable abrasion-resistant ring and a static abrasion-resistant ring are arranged at one end of the sealing oil cylinder; the static wear-resistant ring comprises a carbon/carbon composite material elastic ring body and a friction surface circumferentially arranged on the elastic ring body, and a graphite paper buffer layer is arranged in the elastic ring body; chinese patent 201320386031.6 discloses a temperature thermocouple protection device for internal mixer, which is provided with a lower bottom bolt, a cylindrical temperature thermocouple protection sleeve and a thermocouple are installed at the center of the lower bottom bolt, the thermocouple is inserted into the temperature thermocouple protection sleeve, a temperature measuring head of the thermocouple is exposed on the lower bottom bolt, the temperature thermocouple protection sleeve and the thermocouple are fixedly connected through respective flanges, the temperature thermocouple protection sleeve is fixed on the lower bottom bolt through a flange at the lower end, the thermocouple is in clearance fit with the top of the temperature thermocouple protection sleeve, and the inner hole of the temperature thermocouple protection sleeve is identical with the appearance of the thermocouple. The method and the device for rapidly detecting the temperature of the rubber material are researched and designed to meet the experimental requirements based on rapid development of laser temperature measuring equipment and by means of the laser temperature measuring equipment, and have positive social benefits.

The invention content is as follows:

the invention aims to overcome the defects in the prior art, and develops and designs a laser temperature measuring method and a laser temperature measuring device which can quickly detect the temperature of rubber materials in the processing process so as to quickly and accurately measure the temperature of the rubber materials in an internal mixer.

In order to achieve the purpose, the main structure of the laser temperature measuring device capable of rapidly detecting the temperature of the rubber material in the processing process comprises an internal mixer, an upper top bolt, a laser temperature measuring mechanism 5, a motor, a control cabinet and a cooler; the top of banbury mixer is provided with the ram, and the bottom of banbury mixer is provided with laser temperature measurement mechanism, and the lateral part of banbury mixer is connected with the motor, and the banbury mixer is connected with switch board and cooler electricity respectively, and the switch board is connected with motor and cooler electricity respectively.

The upper top bolt 4 related to the invention is arranged above the feeding hole at the top of the internal mixer and is driven by a hydraulic cylinder; the internal mixer is connected with the motor through a rotor and a speed reducer; the main structure of the laser temperature measuring mechanism comprises a temperature measuring window, a probe, a bracket and a dust cover; the temperature measuring window with quartz glass arranged at the top extends into a flow surrounding cutter arranged in the internal mixer, the quartz glass is fixed on the internal mixer through a hollow bolt, a probe corresponding to the temperature measuring window is arranged outside the internal mixer through a support, and a dust cover is arranged outside the probe through the support; the number of the circumfluence knives is 1 or 2.

Compared with the prior art, the temperature measurement window is arranged at the bottom of the internal mixer and is coaxial with the probe outside the internal mixer, so that laser emitted by the probe can smoothly detect the temperature of the rubber material in the internal mixer through the temperature measurement window, the dust cover arranged outside the infrared probe can protect the temperature measurement window and the probe and prevent external factors from influencing the accuracy of a temperature measurement result, and in the internal mixing process of the rubber material, the probe and the temperature measurement window can be matched to quickly and accurately detect the temperature of the rubber material in the completely closed internal mixer so as to analyze and research the influence of the temperature on the performance of the rubber material; the temperature control device is simple in structure, the temperature change of the rubber material in the internal mixer is rapidly mastered in a laser temperature measurement mode, the reaction speed and the accuracy are greatly improved compared with a thermocouple temperature measurement mode in the prior art, and the temperature control device has obvious advantages.

Description of the drawings:

fig. 1 is a schematic diagram of the principle of the main structure of the present invention.

FIG. 2 is a schematic structural diagram of a laser temperature measuring device capable of rapidly detecting the temperature of a rubber material during processing according to the present invention.

FIG. 3 is a schematic view showing the positional relationship between the flow-around knives and the silica glass according to the present invention (the number of the flow-around knives is 1).

FIG. 4 is a schematic view showing the positional relationship between the flow-around knives and the silica glass according to the present invention (the number of the flow-around knives is 2).

Fig. 5 is a schematic structural diagram of a temperature measurement window according to the present invention.

Fig. 6 is a perspective view of a temperature measuring window according to the present invention.

FIG. 7 is a schematic diagram of the temperature measurement principle of the present invention.

FIG. 8 is a comparison graph of the temperature variation measured by the thermocouple and the infrared laser temperature measuring device of the present invention.

The specific implementation method comprises the following steps:

the invention is further described with reference to the accompanying drawings and the specific implementation method.

Example 1:

the main structure of the laser temperature measuring device capable of rapidly detecting the temperature of rubber materials in the processing process comprises an internal mixer 1, a feeding hole 2, a hydraulic cylinder 3, an upper top bolt 4, a laser temperature measuring mechanism 5, a rotor 6, a speed reducer 7, a motor 8, a control cabinet 9 and a cooler 10; an upper top bolt 4 driven by a hydraulic cylinder 3 is arranged above a feeding hole 2 at the top of the internal mixer 1, a laser temperature measuring mechanism 5 is arranged at the bottom of the internal mixer 1, the side part of the internal mixer 1 is connected with a motor 8 through a rotor 6 and a speed reducer 7, the internal mixer 1 is respectively electrically connected with a control cabinet 9 and a cooler 10, and the control cabinet 9 is respectively electrically connected with the motor 8 and the cooler 10.

The main structure of the laser temperature measuring mechanism 5 related to the present embodiment includes a temperature measuring window 51, a probe 52, a bracket 53 and a dust cover 54; the temperature measuring window 51 extends into the position of the circumfluence knife 11 arranged inside the internal mixer 1, the probe 52 corresponding to the temperature measuring window 51 is arranged outside the internal mixer 1 through the bracket 53 with an L-shaped structure, the dust cover 54 is arranged outside the probe 52 through the bracket 53, and the internal mixer 1 is in bolted connection with the dust cover 54.

The top of the temperature measuring window 51 according to this embodiment is provided with a quartz glass 511, and the quartz glass 511 is fixed on the inner wall of the bottom of the internal mixer 1 by a hollow bolt 512.

The feeding port 2 related to the embodiment is a passage port through which rubber materials enter the internal mixer 1 from the upper part, and the hydraulic cylinder 3 and the upper top bolt 4 are matched to press the rubber materials which cannot enter the internal mixer 1 into the internal mixer 1; an upper top bolt 4; the laser temperature measuring mechanism 5 is arranged at the bottom of the internal mixer 1, a feeding hole 2 is formed in the top of the internal mixer 1, the side part of the internal mixer is connected with a motor 8, the installation space is narrow, and the rubber material can be completely sealed in the internal mixer 1; the cooler 10 provides a set temperature environment for banburying of the rubber materials, and prevents the rubber materials from being influenced by rubber burning; the upper end surface of the flow-surrounding knife 11 is of an inclined surface structure, so that large rubber materials or rubber materials which are not fully mixed can conveniently slide, the rubber materials containing silicon dioxide are prevented from scratching the quartz glass 511, the front end of the flow-surrounding knife 11 is of a triangular or circular structure, the rubber materials with high hardness and the rubber materials which are not fully mixed are slowed down to scratch the quartz glass 511 at the initial stage of banburying, the service life of the quartz window 511 is prolonged, and the rubber materials are prevented from blocking the temperature measurement window 51 to influence the temperature measurement result; the upper end of the temperature measurement window 51 is of a cylindrical or truncated cone-shaped structure with a small upper part and a large lower part, the shape of the temperature measurement window 51 is consistent with that of the quartz glass 511, the quartz glass 511 can be prevented from moving left and right, the lower end of the temperature measurement window 51 is of a cylindrical structure with threads, the quartz glass 511 is fixed through friction force between the temperature measurement window 51 and the threads of the hollow bolt 512, the quartz glass 511 is prevented from moving back and forth, rubber materials enter the temperature measurement window 51 to influence a detection result, the laser temperature measurement mechanism 5 is self-checked when being started each time, whether the refractive index of infrared light is changed or not is tested, and the infrared light is ensured to completely penetrate through the temperature measurement window 51; the probe 52 is an infrared probe, and the emitted laser is coaxial with the temperature measurement window 51, so that the temperature measurement accuracy can be ensured; the dust cover 54 can prevent dust, moisture and impurities from affecting the temperature measurement result.

When the banburying device capable of rapidly detecting the temperature of the rubber material, which is related to the embodiment, is used, the banburying chamber 1, the hydraulic cylinder 3, the upper top bolt 4, the laser temperature measuring mechanism 5, the rotor 6, the speed reducer 7, the motor 8, the control cabinet 9 and the cooler 10 normally operate, the laser of the probe 52 measures the temperature of the rubber material in real time through the temperature measuring window 51 and feeds the temperature back to the control cabinet 9, the dust cover 54 protects the temperature measuring window 51, the probe 52 and the support 53, the external environment is prevented from influencing the measuring result, and the correctness of the measuring result is ensured.

Example 2:

the embodiment relates to temperature measurement effect detection of a laser temperature measurement device capable of rapidly detecting the temperature of rubber materials in a processing process, wherein a thermocouple 100 is installed on the side part of an internal mixer 1, the thermocouple 100 is electrically connected with a control cabinet 9, the internal mixer 1, a laser temperature measurement mechanism 5, a cooler 10 and the thermocouple 100 are started, the rubber materials are added into a feeding port 2, an upper top bolt 4 is started, the rubber materials are completely pressed into the internal mixer 1 by using the pressure generated by a hydraulic cylinder 3, a rotor 6 cuts and extrudes the rubber materials to change the temperature of the rubber materials, and the temperature changes of the laser temperature measurement mechanism 5, the cooler 10 and the thermocouple 100 are observed in real time through a display screen of the control cabinet 9; the test shows that: the final temperature values tested by the laser temperature measuring mechanism 5 and the thermocouple 100 are equal, but the sensitivity of the laser temperature measuring mechanism 5 is far higher than that of the thermocouple 100, the internal temperature of the rubber material is measured by using an external contact type thermocouple temperature measuring meter after the rubber material is discharged from the internal mixer, and after multiple measurements, the error of the measurement result is within 2 ℃, which shows that the reaction speed and the accuracy of the temperature measurement of the laser temperature measuring mechanism 5 are greatly improved, and the method has obvious advantages.