116results about How to "Realize the heating effect" patented technology

The invention relates to the field of electronic materials, in particular to an airplane deicing / electromagnetic low-scattering compatible structure and a design method thereof. The periodic high-wave-transmission electric heating impedance network is adopted, the impedance network is conformal to the wave absorbing structure, and the high-wave-transmission-rate performance is achieved through the patterning design of the impedance network; and the key icing area on the surface of the wave-absorbing structure is optimized to carry out partition resistance regulation and control, so that the purposes of partition heating and heat concentration adjustment are achieved, and more targeted deicing is achieved. According to the invention, the functions of electric heating deicing and electromagnetic low scattering can be realized at the same time, the deicing requirement of an airplane in a high-altitude or cold environment can be met, so that the flight safety of the airplane is protected, and the electromagnetic low scattering function of the airplane is not influenced. The method is expected to be applied to safety protection and electromagnetic compatibility of low detectable aircrafts in the future and becomes an important technical accumulation.

The utility model provides water temperature regulation and control equipment for penaeus vannamei culture, which belongs to the technical field of aquaculture equipment and comprises a flow regulation mechanism communicated with culture equipment. The flow adjusting mechanism communicates with refrigeration equipment through a first flow dividing pipe and communicates with heating equipment through a second flow dividing pipe. The output end of the first water pump is communicated with a filter box and a second water pump, and the second water pump is communicated with the refrigeration equipment and the heating equipment. By arranging the flow adjusting mechanism, switching of cold water and hot water and adjustment of water quantity are achieved, so that adjustment of water temperature in the breeding barrel is achieved, and proper breeding water temperature is guaranteed; according to the penaeus vannamei breeding device, water is recycled, meanwhile, circulating water is subjected to split-flow heating or refrigeration, water temperature adjustment is guaranteed, the water utilization rate is increased, meanwhile, the water level in the breeding barrel can be prevented from being too high, and the breeding effect of penaeus vannamei is improved.

The utility model discloses a lifting cooling structure for a furnace body, and relates to the technical field of metallurgy. Comprising a fixed support; the cooling furnace body is mounted at the top of the fixed bracket, and a cooling assembly is arranged in the cooling furnace body; a crucible with a temperature sensor and a crucible lifting assembly for driving the crucible to move up and down are arranged in the lower furnace body, a movable base is arranged at the bottom of the lower furnace body, the crucible penetrates through the interior of the cooling assembly, and pulleys are installed on the two sides of the movable base; the vertical lifting assembly is installed on the fixed support, and the two sides of the movable base are connected with the vertical lifting assembly in a clamped mode; and the sliding rail is used for being matched with the pulley to work and is arranged on the ground under the lower furnace body. The interior of the furnace body is divided into different areas, heating and cooling can be achieved in the furnace body, rapid cooling can be achieved, the machining time is greatly shortened, and the efficiency is improved.

The invention discloses a double-frequency constant-temperature crystal oscillator and a manufacturing method thereof, and relates to the technical field of crystal oscillators, and the double-frequency constant-temperature crystal oscillator comprises a ceramic base and a ceramic bottom plate which are integrally formed by adopting an LTCC (Low Temperature Co-Fired Ceramic) process; the high-frequency quartz crystal and the low-frequency quartz crystal are respectively arranged in independent closed cavities, and unified heating and accurate temperature control are realized through the high-heat-conduction diamond copper substrate, the metalized heat conduction holes and the partitioned temperature sensing chips; the two paths of signals are output through independent interconnection paths, and the crosstalk is lower than-50dBm. According to the invention, the dual-frequency high-stability low-noise output is realized under the similar volume, and the requirements of a flight control system on a high-integration-level and high-reliability frequency source are met.

The utility model discloses a battery thermal management system. The battery thermal management system comprises a battery module, a control module, a timer, an air conditioning system heat exchanger, a four-way reversing valve and a compressor, the battery module comprises a shell, a semiconductor cooler is arranged on the outer surface of the shell, a refrigerant pipeline is arranged in the shell, a plurality of battery cells are arranged in an area defined by the refrigerant pipeline, the battery cells are all arranged in heat conduction pipes with fins in a sleeved mode, and gaps in the shell are filled with PCM phase change materials. Temperature sensors are respectively arranged on the inner surface of the shell and the upper and lower surfaces of the battery cell; a heat flux density sensor is arranged in the PCM phase change material; a first electromagnetic valve and a second electromagnetic valve are arranged at an inlet and an outlet of the refrigerant pipeline respectively, the first electromagnetic valve is connected with an air-conditioning system heat exchanger, and the air-conditioning system heat exchanger is connected with a compressor and the second electromagnetic valve through a four-way reversing valve. And the timer is connected with the semiconductor cooler, the first electromagnetic valve and the second electromagnetic valve. According to the utility model, accurate temperature control can be realized, and the temperature uniformity and safety of the battery are improved.

The utility model discloses a radiator, which relates to the field of heat dissipation and comprises a first heat dissipation main body, a second heat dissipation main body and a thermoelectric refrigerating unit, the first heat dissipation main body and the second heat dissipation main body are oppositely arranged, and the thermoelectric refrigerating unit is provided with a first heat conduction end and a second heat conduction end. One of the first heat conduction end and the second heat conduction end is a hot end, the other one of the first heat conduction end and the second heat conduction end is a cold end, the thermoelectric refrigerating unit is arranged between the first heat dissipation body and the second heat dissipation body, the first heat conduction end is in heat conduction fit with the first heat dissipation body, and the second heat conduction end is in heat conduction fit with the second heat dissipation body. According to the radiator, the first heat dissipation body, the second heat dissipation body and the thermoelectric refrigerating unit are arranged, the thermoelectric refrigerating unit has the refrigerating and heating functions, the radiator has the two working modes of the heating mode and the cooling mode, and the radiator using the thermoelectric refrigerating unit is simple in structure and high in heat dissipation efficiency.

The utility model discloses a back cushion for a pregnant woman, which comprises a pregnant woman pillow main body, and the pregnant woman pillow main body consists of a back cushion, an abdomen cushion and a head cushion. According to the pregnant woman pillow, the smooth pad, the fluff pad and the circulating cylinder are adopted, so that a person can paste the corresponding smooth pad and fluff pad on the surface of the pregnant woman pillow through the magic tapes according to the difference of ambient air temperature and seasons, and the body feeling of a pregnant woman when the pregnant woman makes contact with the pregnant woman can be changed; liquid in the circulating cylinder can be heated or cooled through operation of a heater or a refrigerator in a corresponding water tank in the circulating cylinder, then hot water or cold water can be guided into the pregnant woman pillow through corresponding opening and closing of a control valve on the surface of a three-way pipe and operation of a circulating water pump, and then the pregnant woman pillow is heated or cooled. The body feeling effect of the pregnant woman can be good when the pregnant woman makes contact with the body feeling pad at different temperatures, discomfort caused by overheating or supercooling is avoided, the overall using effect is improved, and the body feeling pad has the advantages of being high in comfort degree and suitable for temperature.

The utility model provides a heating device for wire production, which comprises a base, a heating box fixedly mounted in the middle of the outer surface of the top end of the base, a first positioning frame fixedly connected to the left side of the heating box, a second positioning frame fixedly connected to the right side of the heating box, and servo motors fixedly connected to the side walls of the first positioning frame and the second positioning frame. A first rotating wheel is connected to the output end of the servo motor, a connecting belt is rotatably connected to the surface of the first rotating wheel, a second rotating wheel is rotatably connected to the end, away from the first rotating wheel, of the connecting belt, a heating pipe is fixedly connected to the left side wall of the heating box, a wire outlet pipe is fixedly connected to the right end of the heating pipe, and a baffle is arranged at the top end of the second positioning frame. According to the heating device for electric wire production, the electric wire can be automatically heated, and the heating device has the effect of rapid cooling.

This invention provides a cascade heat pump system, relating to the field of heat pump systems. In a first loop, a first compressor, a first heat exchanger, a second heat exchanger, and an evaporator are sequentially arranged. The first loop heats the second loop via the first heat exchanger. Further, a second heat exchanger is added between the first and evaporators, and an auxiliary branch is provided between the second heat exchanger and the evaporator. This auxiliary branch passes through the second heat exchanger and connects to the first compressor. Thus, when the evaporator's processing efficiency cannot match the working fluid flow rate, causing a decrease in the heating capacity of the first loop, the remaining working fluid at the evaporator inlet can pass through the auxiliary branch, exchange heat with the second heat exchanger, and then enter the first compressor, and finally enter the first heat exchanger to achieve the heating effect. This ensures the efficiency of the entire heat pump system, enabling the cascade heat pump system to operate stably and reliably.

The utility model belongs to the technical field of resource recovery, and particularly relates to an efficient fluorine recycling device which comprises a mixing tank, the top of the mixing tank is connected with a feeding pipe and a fluorine overflowing agent tank, a discharging port of the mixing tank is connected with a mixed feed liquid delivery pump, the mixed feed liquid delivery pump is connected with the bottom of an inner jacket of a jacket defluorination reaction kettle, and the inner jacket of the jacket defluorination reaction kettle is connected with a fluorine overflowing agent tank. The top of the jacket defluorination reaction kettle is connected with a feed port of a water circulation cooler, a discharge port of the cooler is connected with a fan, and the fan is connected to the next process; and the outer jacket of the jacket defluorination reaction kettle is connected with a medium-pressure steam pipe. The fluorine recovery device has the beneficial effects that fluorine in fluorine-containing feed liquid is recovered by adopting the device, and the recovery rate is up to more than 85%; the device does not generate other wastes, is green and environment-friendly, and realizes an integrated process of heating and steam stripping.

The invention discloses an NMP (N-Methyl Pyrrolidone) recycling cold and heat combined supply system for coating and drying in a power battery factory, which comprises an exhaust pipe connected with a coating machine, and NMP waste gas in the exhaust pipe sequentially enters a first heat pipe heat exchanger, a second heat pipe heat exchanger and an evaporator of a heat pump unit as heat source gas; an air return pipe and a circulating air pipe are arranged at an outlet of the evaporator in parallel, NMP waste gas in the air return pipe serves as cold source gas to sequentially enter the second heat pipe heat exchanger, the first heat pipe heat exchanger and a condenser of the heat pump unit, and the air return pipe at an outlet of the condenser is connected with the coating machine air inlet pipe. After the NMP waste gas in the circulating air pipe passes through the rotating wheel adsorption unit, one part of the NMP waste gas enters the exhaust pipe, and the other part of the NMP waste gas enters the discharge pipe; nMP recovery pipes are arranged on the second heat pipe exchanger and the evaporator. The coating and drying device is ingenious in structure and convenient to use, and energy consumption of the coating and drying process in lithium ion battery production can be greatly saved.

The gas reaction synthesis unit (2) of the present invention is a gas reaction synthesis unit (2) for causing a raw material gas (30) to react to perform synthesis, and is provided with a honeycomb structure (20) having one or more honeycomb structure portions (21) having an outer peripheral wall (22) and a partition wall (23) disposed on the inner side of the outer peripheral wall (22) and dividing a plurality of cells (24) to form flow paths extending from one end face to the other end face; in at least one of the one or more honeycomb structure portions (21), the plurality of cells (24) include a heating cell (5) containing a conductor and / or a magnetic body (5a), a reaction cell (6) for flowing the raw material gas (30), and a cooling cell (7) for flowing a cooling gas (40).

The invention discloses a uniform blow-drying device for textile and garment production, and relates to the technical field of textile and garment production, the uniform blow-drying device for textile and garment production comprises a drying chamber, and two connecting plates are fixedly connected to the top of an inner cavity of the drying chamber. Clothes such as trousers can be supported on the clothes hanger, then the first telescopic column, the second telescopic column, the third telescopic column and the tail end column which are telescopic extend into trouser legs of the trousers, and air can be blown to the inner sides of the trousers through the first telescopic column, the second telescopic column, the third telescopic column, the tail end column and the spray pipe. And meanwhile, the air ports in the bag body blow air to the outer side of the trousers, so that air blowing is uniform, the trousers are quickly blow-dried, and the trousers can be conveyed in the process of blow-drying the trousers in the bag body, so that the processing efficiency of the trousers is guaranteed, temperature dissipation is reduced, and energy consumption is reduced.

The utility model provides a kind of heating defroster of radar, including panel, heating wire, diaphragm layer, first metal sheet and second metal sheet. Current is transmitted to heating wire using first metal sheet and second metal sheet to generate heat. Heating wire is arranged on panel by diaphragm layer, panel is attached with radar or constitutes part of radar, so that the heat of heating wire is transmitted to panel, heating effect is realized, and the problem of fogging and frosting on the surface of radar can be effectively solved. At the same time, the second metal sheet is adaptively bent to form the required shape, which is conducive to installation. The utility model further provides a vehicle.

The invention discloses a laser impact riveting connection device, comprising: a blank holder ring, which is coaxially provided with a first through hole, a second through hole and a third through hole which are connected in sequence; a laser generator, which is movably arranged in the first through hole and the second through hole; a first connecting rod, which is threadedly connected in the third through hole, and one end of the first connecting rod is fixedly connected to the laser generator; a laser absorption layer plate, which is movably installed in the first through hole; a laser constraint layer plate, which is movably installed in the first through hole and is stacked on the laser absorption layer plate and is spaced apart from the laser generator; a first inclined hole, which is opened on the side wall of the blank holder ring; an infrared thermometer, which is arranged in the first inclined hole; a second inclined hole, which is spaced apart from the first inclined hole; an infrared heater, which is arranged in the second inclined hole; a base, which is coaxially arranged with the blank holder ring, and has a concave model cavity at the center of the base; a cooling water cavity, which is arranged in the base, and the cooling water cavity is arranged around the concave model cavity.

The invention discloses an injection molding processing device for producing tiny silicone earplugs, which relates to the technical field of injection molding, and comprises a continuous injection molding mechanism and a switching worm gear installed on the top of the continuous injection molding mechanism, wherein a mixing injection molding mechanism is arranged on one side of the top of the continuous injection molding mechanism, and a lifting motor is arranged on the top of the mixing injection molding mechanism, wherein the continuous injection molding mechanism comprises a switching base, and a switching support is symmetrically installed on one side of the top of the switching base away from the mixing injection molding mechanism, and a switching motor is fixedly installed on one side of the switching support, and a switching worm is fixedly connected to the output end of the switching motor, and by pressing the bottom mold body downward, the bottom mold body drives the extrusion connecting rod and the airbag pressure plate to extrude the recoverable airbag, so that the gas inside the recoverable airbag is ejected through the air guide hose and drives the ejection block to move upward, so that the injection molded product can be ejected from the inside of the bottom mold body, thereby improving the efficiency of rapid demolding of the injection molded product.

This invention relates to a liquid tension control method for improving wafer drying efficiency, comprising: First, placing a wafer cassette connected to a oscillating mechanism into a drying tank, loading wafers into the cassette, and ensuring the drying tank and its dome are sealed together, with a small amount of gas evacuated; Second, injecting room-temperature nitrogen gas through the dome and injecting ultrapure water into the drying tank to wet the wafer surface; Third, after the wafer surface is wetted, performing the following operations: S1: Injecting a mixture of isopropanol and heated nitrogen gas into the drying tank using a dedicated integrated module, while simultaneously discharging ultrapure water at a controlled rate from the bottom of the drying tank; S2: During the ultrapure water discharge, operating the oscillating mechanism to carry the wafer in a planetary oscillation, accelerating the removal of water molecules from the wafer; Fourth, repeating the wafer drying process. This invention utilizes planetary arc-shaped oscillation drying technology to accelerate the removal of residual moisture from the wafer surface, achieving rapid wafer drying through effective control of liquid tension.

The invention relates to the technical field of semiconductors, in particular to a heating device of an exhaust pipe and semiconductor equipment, and solves the problem that the exhaust pipe is blocked due to the fact that the temperature of the exhaust pipe is too low when the semiconductor equipment is subjected to a process. The heating device of the exhaust pipe comprises a heating assembly and a heat conduction assembly arranged between the heating assembly and the exhaust pipe. The heating assembly generates heat, and the heat conduction assembly transmits the heat to the exhaust pipe to heat and preserve heat of the exhaust pipe, so that the exhaust pipe is prevented from being blocked due to the fact that the temperature of the exhaust pipe is too low. In addition, under the condition that the temperature of the exhaust pipe is larger than or equal to the preset temperature, the heat conduction assembly can prevent at least part of heat of the exhaust pipe from being transmitted to the heating assembly, and therefore the situation that excessive heat is transmitted to the heating assembly, and consequently the heating assembly is damaged is avoided.

The utility model discloses a heat conduction roller with uniform heat distribution, and belongs to the technical field of heat conduction rollers. The device mainly comprises a heat-conducting roller; the heat conduction part is suitable for heat conduction of a heat conduction roller, and the heat conduction part comprises a conduction pipe which is arranged inside the heat conduction roller; the flow dividing sleeve is arranged in the heat conducting roller, and a flow dividing pipe is arranged on the flow dividing sleeve; the fixing assembly is used for connecting the conduction pipe and the shunt pipe; the auxiliary stabilizing assembly is used for conducting auxiliary fixing on the conduction pipe. According to the heat conduction roller with the uniform heat distribution, heat conduction oil or cooling liquid is guided in through the heat conduction component, so that the heat conduction oil or the cooling liquid is subjected to circulation operation, conduction is conducted through the heat conduction component, the heat conduction roller is heated or cooled, and therefore heat treatment or cold treatment on materials through the heat conduction roller is achieved; therefore, the application range of the heat-conducting roller is widened.

The helmet refrigeration method is characterized in that a semiconductor refrigeration mode is adopted, and an air supply cavity located in a shell structure and a plurality of air supply openings meeting the requirement for uniform air distribution in the helmet are designed according to the shape of a helmet shell; according to the semiconductor refrigeration mode, external air exchanges heat with a cold air fin arranged on one side of a semiconductor refrigeration sheet, and cooled air is fed into the helmet. Heat is discharged on the other side of the semiconductor chilling plate through radiating fins and a fan, so that the operating temperature of the hot end is ensured; a sensor is arranged in a helmet shell to obtain temperature and humidity data of a point location, the temperature and humidity data are gathered to a controller, and then the programs of controlling the air supply temperature and controlling the refrigeration power of a semiconductor refrigeration sheet are executed. Air supply is uniform, and the temperature of each point in the inner space of the helmet is effectively controlled and adjusted; the device is suitable for various helmets; no condensate water is separated out, so that a human body feels comfortable.

The invention is suitable for the technical field of self-service food service cabinets, and provides a self-service heating service cabinet which comprises a cabinet body. An accommodating cavity is formed in the cabinet body; a goods taking opening is formed in one side of the cabinet body; a heating device, a first air supply device and a second air supply device are arranged in the cabinet body; the first air supply device drives airflow to flow through the heating device, so that the heated air is distributed in the accommodating cavity; and the second air supply device forms an air flow barrier at the goods taking opening. The problems that an existing closed heating service cabinet loses a large amount of heat and is high in energy consumption due to frequent door opening are solved.

The utility model relates to the field of breast pumps, in particular to a breast pump with a heating structure. The breast pump with the heating structure comprises a main machine, a milk bowl and a bra connected with the main machine and further comprises a heating assembly connected with the main machine, the heating assembly is provided with a connecting terminal electrically connected with the main machine, and the bra is provided with a milk sucking channel and a contact part used for making contact with the breast. The heating assembly is detachably arranged on the side, making contact with the breasts, of the main machine, and the heating assembly and the bra jointly form a contact face making contact with the breasts. According to the bra, the heating effect of the heating assembly on the breasts is achieved, a separation structure of the heating assembly and the bra is achieved, a user can independently detach the bra for cleaning during cleaning, and therefore the problems of short circuit or poor contact and the like possibly caused by corrosion and oxidation of a connecting terminal due to frequent cleaning of the heating assembly are solved.

The present application relates to the technical field of laser plastic welding, and specifically discloses a modified polycarbonate light-absorbing transparent plastic for laser welding and a preparation method thereof. The modified polycarbonate light-absorbing transparent plastic for laser welding comprises the following raw materials: polycarbonate, polyamide, thermoplastic polyester elastomer, light-absorbing slurry, lubricant, and antioxidant; the preparation method comprises pre-drying the polycarbonate, adding the polyamide, thermoplastic polyester elastomer, light-absorbing slurry, lubricant, and antioxidant into a mixer, stirring and mixing, and then extruding and granulating to obtain the obtained plastic; the present application uses polycarbonate, polyamide, and thermoplastic polyester elastomer together to produce laser welding plastics, and all of the three are thermoplastic materials with good processability, and their common use can achieve complementary characteristics, significantly improve the overall strength, toughness, thermal stability, and impact resistance of the plastic for welding, and optimize the optical properties of the plastic for welding, thereby improving the laser welding efficiency and welding quality.

The invention provides a quilt heating and drying device. The quilt heating and drying device comprises a controller, an air blower, a stand column, an air outlet nozzle and a telescopic hot air pipe. A plurality of supporting legs distributed at intervals in the circumferential direction are fixed to the lower end of the stand column, the controller is fixed to the side wall of the stand column, the blower is detachably connected to the stand column and electrically connected with the controller, the controller is used for controlling the power-on duration of the blower, one end of the hot air pipe is connected with the air outlet end of the blower, and the other end of the hot air pipe is connected with the air outlet end of the blower. The other end of the hot air pipe is connected with the air inlet end of the air outlet nozzle; the quilt can be heated and dried, and therefore the comfort can be improved when a user uses the quilt.

The invention discloses a reductant performance diagnosis process and degassing equipment in a titanium dioxide bleaching process, relates to the technical field of titanium dioxide production, and comprises the following steps; S1: accurately measure 1-2 ml reductant sample and add it to a conical flask; S2: add 50 ml of distilled water treated by a degassing equipment and at room temperature to the conical flask, wherein the degassing equipment is mainly used for gases dissolved in distilled water; S3: then drip sulfuric acid with a mass fraction of 20% to the conical flask, and control the pH of the solution system to be 1-3; S4: then titrate with a potassium permanganate standard solution with a concentration of 0.4921 mol / l, from colorless titration to red at the end point, and the end point is that the color does not fade for 30 seconds, and the titration volume V is recorded; S5: evaluate the reducing ability of the reductant by multiplying the concentration of the potassium permanganate standard solution by the volume divided by the sampling volume. The process is simple and can quickly and accurately detect the reducing ability of the reductant.

The utility model relates to the technical field of heat treatment furnaces, in particular to a heat treatment furnace for steel ball production, which comprises a support frame, the lower surface of the support frame is fixedly connected with support legs, and the upper surface of the support frame is fixedly connected with a heating bin; and the heating mechanism comprises adjusting rods, the adjusting rods are connected to the two sides of the heating bin in a penetrating mode through threads, and a sliding plate is fixedly connected to the upper surface of the supporting frame. Under the action of the heating wire, materials entering the heating bin are heated, under the connection of the sliding rod and the sliding groove, through the threaded connection of the adjusting rod and the heating bin and the abutting connection of the adjusting rod and the control panel, the effect of adjusting and controlling the action position of the control panel in the heating bin is achieved, the heating use range is widened, and the heating performance is improved; and through the action of the abutting rod, the effect of fixing the position of the clamping plate in the adjusting groove is achieved, the effect of adjusting and controlling the action distance between the heating wires is achieved, and the use range and performance of the heating wire are improved.

The utility model discloses an outdoor multifunctional box which comprises a box body, a heat insulation plate is arranged in the box body, a fan and a semiconductor refrigerating and heating piece are arranged on the heat insulation plate, the fan is arranged on one side of the semiconductor refrigerating and heating piece, and cooling fins are oppositely connected to the two sides of the semiconductor refrigerating and heating piece. An air inlet, a first air outlet and a second air outlet are formed in the side wall of the box body, the first air outlet and the second air outlet are formed in the two opposite sides of the box body respectively, the air inlet corresponds to the fan, and the first air outlet and the second air outlet both correspond to the air supply direction of the fan. A knapsack comprises an outdoor multifunctional box and further comprises a knapsack body, and the outdoor multifunctional box is fixed on the knapsack body. The multifunctional box and the knapsack can adapt to different environmental conditions and emergency requirements, and the outdoor safety and convenience of a user are enhanced.

The application discloses an in-situ environmental device suitable for in-situ loading and heating of metal materials and relates to the field of material mechanical property testing.The device comprises a shell base, a sample clamping assembly, an environmental cavity, a loading mechanism, a force sensor, a heating assembly and a thermocouple, the environmental cavity is composed of a light transmission cylinder, a supporting cylinder and a supporting cylinder base, the heating assembly is installed on the bottom surface of an upper clamp and covers the periphery of a sample, the sample is locally heated through a silicon carbide heating sheet, the loading mechanism is arranged in the shell base to apply an axial load to the sample, the force sensor collects load signals in real time, and the thermocouple monitors the temperature of the sample area and feeds back to a temperature control unit.The device has compact structure and good imaging compatibility, and can realize in-situ testing and three-dimensional damage evolution analysis of metal materials under thermal-mechanical coupling conditions.

The utility model relates to the technical field of sample preparation, and discloses a cleaning device for a mixing division machine, which is connected to a funnel in the division machine and comprises a heating part, a rotating shaft, a stirring scraper blade and an outer wall wrapped on the funnel, and the heating part comprises a soft wrapping layer and a heating wire arranged in the wrapping layer. The rotating shaft vertically extends into the funnel and is located at the middle position, the upper end of the rotating shaft is higher than a feeding port of the funnel and is connected with a rotation driving part used for driving the rotating shaft to rotate, the stirring scraper is arranged in the funnel and is fixedly connected with the rotating shaft, and the outermost wall of the stirring scraper is in contact with the inner wall of the funnel. According to the utility model, the influence of material accumulation in the hopper on the downward leakage speed of subsequent materials can be avoided, so that the accuracy and the uniformity of the division machine during division selection of representative samples are ensured.