Temperature-controllable epoxy asphalt laboratory stirring device

Abstract

The utility model relates to a laboratory equipment technical field, and a controllable temperature epoxy pitch laboratory stirring device, including stirring base, liftable adjustment setting heating pot on stirring base, detachable place stirring bucket in heating pot, and the stirrer setting in stirring bucket opening top, the top surface of stirring base is provided with electronic balance for weighing epoxy resin and the weight of the matrix pitch that has heated well, the position of electronic balance is opposite with heating pot position up and down, the utility model discloses the weighing, stirring, temperature control function in an organic whole, and the operation process is simple, and completes multiple experimental steps on the same equipment, improves the experiment efficiency effectively, reduces the error because of the equipment conversion and the error of the operation cumbersome, through heating pot and temperature control switch accurate control stirring temperature, avoids pitch because of thickening because of cooling, guarantees the stability and uniformity of epoxy pitch in the process of stirring, satisfies the high accuracy demand of epoxy pitch laboratory stirring.

Description

Technical Field

[0001] This utility model relates to the field of laboratory equipment technology, specifically to a temperature-controlled epoxy asphalt laboratory mixing device. Background Technology

[0002] Epoxy asphalt is a high-performance composite material obtained by complex chemical modification of epoxy resin, curing agent and base asphalt. It combines the characteristics of epoxy resin and base asphalt, and has greatly improved resistance to rutting, aging, strength and hardness. It also has the advantages of high adhesion, corrosion resistance and high temperature resistance. It is mainly used in bridge construction and important traffic pavement.

[0003] Base asphalt is solid at room temperature and requires high temperatures to transform into a liquid state. Therefore, during epoxy asphalt mixing, if the mixing time is prolonged, the asphalt will become viscous due to cooling, leading to uneven mixing. Currently, the most commonly used laboratory mixing equipment for epoxy asphalt is simple mechanical stirring. This method is easy to operate and requires minimal equipment, but it cannot control the temperature of the epoxy asphalt during mixing, thus failing to guarantee its stability. Utility Model Content

[0004] The purpose of this invention is to provide a temperature-controlled epoxy asphalt laboratory mixing device to address the technical deficiencies mentioned in the background art.

[0005] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows:

[0006] A temperature-controlled epoxy asphalt laboratory mixing device includes a mixing base, a heating pot that can be adjusted in height on the mixing base, a mixing tank that can be detachably placed inside the heating pot, and a mixer disposed above the opening of the mixing tank. The top surface of the mixing base is provided with an electronic balance for weighing the epoxy resin and the heated base asphalt. The position of the electronic balance is vertically opposite to the position of the heating pot.

[0007] Furthermore, a guide rod is vertically arranged on the stirring base, and a movable bushing is fitted on the guide rod. The movable bushing can be adjusted up and down along the vertical direction of the guide rod. An adjustment knob is provided on the side of the movable bushing. Rotating the adjustment knob fixes the movable bushing on the guide rod. The side of the movable bushing is fixed to the side wall of the heating pot through a connecting rod.

[0008] Furthermore, the diameter of the heating pot is larger than that of the stirring tank. The heating pot has a double-layer structure, with the inner layer made of high-temperature resistant stainless steel coated with polytetrafluoroethylene and the outer layer wrapped with an aluminum silicate insulation layer. The heating wires are distributed in a ring at the bottom of the heating pot. A temperature sensor is installed inside the heating pot. The temperature sensor is an NTC thermistor with its probe extending to the middle of the inner wall of the heating pot to provide real-time feedback on the temperature inside the stirring tank.

[0009] Furthermore, a connecting rod is fixedly connected to the top of the guide rod via a movable bushing and an adjusting knob. The free end of the connecting rod is connected to the mixer. The mixer includes a DC geared motor and a stirring paddle. The stirring paddle is connected to the motor output shaft via a coupling. The stirring paddle has a three-bladed propeller structure, and its diameter is adapted to the inner diameter of the mixing tank. The stirring paddle is also detachable and replaceable.

[0010] Furthermore, the stirring base is equipped with a power switch, a stirring rate adjustment switch, a temperature control switch, and a display screen for displaying parameters.

[0011] Furthermore, the temperature control switch is connected to a PID intelligent temperature controller, which is integrated inside the base. The PID intelligent temperature controller is used to receive temperature sensor signals and control the on / off state of the heating wire. The temperature control accuracy is ±1℃, and the temperature control range is 50-200℃.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] The mixing device is based on a mixing base, with an electronic balance on the top surface for precise weighing of epoxy resin and heated base asphalt. A guide rod is vertically mounted on the base, fitted with a movable bushing with an adjusting knob. The bushing is fixed to the heating pot via a connecting rod, allowing for the adjustment of the heating pot's height. A detachable mixing drum is placed inside the heating pot, with a mixer positioned above its opening. The mixing base also has switches for controlling the power supply, mixing speed, and mixing temperature, which are controlled via internal wires in the guide rod. During the experiment, the heating pot and mixing drum are first lowered for material weighing, then raised to the appropriate positions, and the mixing and temperature control functions are activated to complete the mixing of the epoxy asphalt.

[0014] This invention integrates weighing, stirring, and temperature control functions, with a simple operation process. Multiple experimental steps can be completed on the same equipment, effectively improving experimental efficiency and reducing errors caused by equipment switching and cumbersome operation. On the other hand, the stirring temperature is precisely controlled by the heating pot and temperature control switch, preventing the asphalt from thickening due to cooling, ensuring the stability and uniformity of epoxy asphalt during the stirring process, greatly improving the stirring quality, and meeting the high-precision requirements of epoxy asphalt laboratory stirring. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a schematic diagram of the structure of this utility model. Detailed Implementation

[0017] The technical solutions in the embodiments of this utility model will be clearly and completely described below. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0018] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "vertical", "horizontal", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0019] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0020] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0021] like Figure 1 As shown, a temperature-controlled epoxy asphalt laboratory mixing device includes a mixing base, a heating pot 7 that is adjustable in height on the mixing base, a mixing tank 8 that is detachably placed inside the heating pot 7, and a mixer 9 that is disposed above the opening of the mixing tank 8. An electronic balance 6 for weighing epoxy resin and heated base asphalt is provided on the top surface of the mixing base. The position of the electronic balance 6 is vertically opposite to the position of the heating pot 7.

[0022] This invention utilizes an electronic balance 6 on the top surface of the mixing base to weigh the epoxy resin and the preheated base asphalt before mixing, obtaining precise quantities. During mixing, the heating pot 7 and the mixing tank 8 are raised to appropriate positions, allowing the mixing paddle of the mixer 9 to enter the appropriate mixing position within the mixing tank 8. The speed switch and temperature control switch on the mixing base are turned on. The speed switch controls the mixing speed of the mixer 9, while the temperature control switch regulates the temperature of the epoxy asphalt in the mixing tank 8 by controlling the heating of the heating pot 7, ensuring that the epoxy asphalt maintains suitable fluidity and preventing uneven mixing due to thickening caused by cooling.

[0023] On the one hand, this invention precisely controls the stirring temperature of epoxy asphalt through the heating pot 7, effectively ensuring the stability and uniformity of epoxy asphalt during the stirring process and improving the stirring quality. On the other hand, the device integrates weighing, stirring, and temperature control functions, and can complete the weighing of epoxy asphalt before stirring, temperature control during stirring, and stirring operation on the same equipment, which greatly simplifies the experimental process, makes the operation simple and convenient, improves experimental efficiency, and also reduces the errors that may occur due to equipment conversion during the experiment.

[0024] Specifically, as shown in the figure, a guide rod 1 is vertically arranged on the stirring base, and a movable bushing is fitted on the guide rod 1. The movable bushing can be adjusted up and down along the vertical direction of the guide rod 1. An adjustment knob 2 is provided on the side of the movable bushing. Rotating the adjustment knob 2 fixes the movable bushing on the guide rod 1. The side of the movable bushing is fixed to the side wall of the heating pot 7 through a connecting rod.

[0025] The guide rod 1, vertically mounted on the mixing base, provides a stable track for the lifting and lowering of the heating pot 7. A movable bushing is fitted onto the guide rod 1; by rotating the adjusting knob 2, the vertical position of the movable bushing on the guide rod 1 can be changed and fixed at a suitable position. Since the side of the movable bushing is fixed to the side wall of the heating pot 7 via a connecting rod, the lifting and lowering of the movable bushing can synchronously lift and lower the heating pot 7. During the experiment, the epoxy resin and the heated base asphalt are first weighed using an electronic balance on the mixing base. Then, the movable bushing is lowered by adjusting knob 2, causing the heating pot 7 and the mixing tank 8 placed inside it to descend above the electronic balance for weighing. After weighing, the movable bushing is raised again by rotating the adjusting knob 2, causing the heating pot 7 and the mixing tank 8 to rise until the stirring paddle inside the mixing tank 8 reaches the appropriate stirring position. At this time, turn on the mixing speed switch and temperature control switch on the mixing base. The temperature control switch controls the heating pot 7 to heat and control the epoxy asphalt in the mixing tank 8 to ensure that the asphalt maintains good fluidity. The mixing speed switch controls the mixing speed of the mixer 9 to achieve full mixing of the epoxy asphalt.

[0026] Specifically, as shown in the figure, the diameter of the heating pot 7 is larger than that of the stirring tank 8. The heating pot 7 has a double-layer structure, with the inner layer made of high-temperature resistant stainless steel coated with polytetrafluoroethylene, and the outer layer wrapped with an aluminum silicate insulation layer. The heating wires are distributed in a ring at the bottom of the heating pot 7. A temperature sensor is installed inside the heating pot 7. The temperature sensor is an NTC thermistor, and its probe extends to the middle of the inner wall of the heating pot to provide real-time feedback on the temperature inside the stirring tank.

[0027] Specifically, as shown in the figure, the top of the guide rod 1 is fixedly connected to a connecting rod through a movable bushing and an adjusting knob. The free end of the connecting rod is connected to the mixer 9. The mixer 9 includes a DC geared motor and a stirring paddle. The stirring paddle is connected to the output shaft of the motor through a coupling. The stirring paddle has a three-bladed propeller structure, and its diameter is adapted to the inner diameter of the mixing tank. The stirring paddle is also detachable and replaceable.

[0028] Specifically, as shown in the figure, the stirring base is equipped with a power switch 3, a stirring rate adjustment switch 4, a temperature control switch 5, and a display screen for displaying parameters.

[0029] Specifically, as shown in the figure, the temperature control switch 5 is connected to a PID intelligent temperature controller. The PID intelligent temperature controller is integrated inside the base and is used to receive temperature sensor signals and control the on / off state of the heating wire. The temperature control accuracy is ±1℃, and the temperature control range is 50-200℃.

[0030] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

[0031] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A temperature-controlled epoxy asphalt laboratory mixing device, characterized in that, The system includes a mixing base, a heating pot that can be adjusted in height on the mixing base, a mixing tank that can be detachably placed inside the heating pot, and a mixer located above the opening of the mixing tank. The top surface of the mixing base is equipped with an electronic balance for weighing the epoxy resin and the heated base asphalt. The position of the electronic balance is vertically opposite to the position of the heating pot.

2. The temperature-controlled epoxy asphalt laboratory mixing device according to claim 1, characterized in that, A guide rod is vertically arranged on the stirring base, and a movable bushing is fitted on the guide rod. The movable bushing can be adjusted up and down along the vertical direction of the guide rod. An adjustment knob is provided on the side of the movable bushing. Rotating the adjustment knob fixes the movable bushing on the guide rod. The side of the movable bushing is fixed to the side wall of the heating pot through a connecting rod.

3. The temperature-controlled epoxy asphalt laboratory mixing device according to claim 2, characterized in that, The diameter of the heating pot is larger than that of the stirring tank. The heating pot has a double-layer structure, with the inner layer made of high-temperature resistant stainless steel coated with polytetrafluoroethylene and the outer layer wrapped with an aluminum silicate insulation layer. The heating wires are distributed in a ring at the bottom of the heating pot. A temperature sensor is installed inside the heating pot. The temperature sensor is an NTC thermistor with its probe extending to the middle of the inner wall of the heating pot to provide real-time feedback on the temperature inside the stirring tank.

4. The temperature-controlled epoxy asphalt laboratory mixing device according to claim 3, characterized in that, The top of the guide rod is fixedly connected to a connecting rod via a movable bushing and an adjusting knob. The free end of the connecting rod is connected to the mixer. The mixer includes a DC geared motor and a stirring paddle. The stirring paddle is connected to the motor output shaft via a coupling. The stirring paddle has a three-bladed propeller structure, and its diameter is adapted to the inner diameter of the mixing tank. The stirring paddle is also detachable and replaceable.

5. A temperature-controlled epoxy asphalt laboratory mixing device according to claim 4, characterized in that, The stirring base is equipped with a power switch, a stirring rate adjustment switch, a temperature control switch, and a display screen for displaying parameters.

6. A temperature-controlled epoxy asphalt laboratory mixing device according to claim 5, characterized in that, The temperature control switch is connected to a PID intelligent temperature controller, which is integrated inside the base. It is used to receive temperature sensor signals and control the on / off state of the heating wire. The temperature control accuracy is ±1℃, and the temperature control range is 50-200℃.

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