73results about How to "Rapid cooling treatment" patented technology

The invention discloses a semiconductor wafer cutting device, and belongs to the technical field of semiconductors. The semiconductor wafer cutting device comprises a vertical plate, a fixing plate and a silicon body, wherein the vertical plate is fixedly connected with a first motor; an output shaft of the first motor is connected with a first bevel gear; the vertical plate is rotationally connected with a first rotating shaft; the bottom of the first rotating shaft is fixedly connected with a second bevel gear in meshed connection with the first bevel gear; the side wall of the vertical plate is rotationally connected with a reciprocating screw rod; the first rotating shaft is connected with the reciprocating screw rod through a first belt; the reciprocating screw rod is in threaded connection with a sliding box; a cutting mechanism is arranged at the bottom of the sliding box; and a second motor for driving the cutting mechanism is arranged at the bottom of the sliding box. According to the semiconductor wafer cutting device, a cutting disc can be rapidly cooled, the service life of the cutting disc is prolonged, chippings generated after cutting can be cleaned, the surface of a wafer is guaranteed to be clean, and follow-up machining is facilitated.

The invention discloses a fermentation tank being uniform in fermentation temperature and quick in cooling. The fermentation tank comprises an outer tank body and an inner tank body, wherein the innertank body is located in the outer tank body, and is fixedly connected with the outer tank body; a copper tube is arranged between the inner tank body and the outer tank body; a heat dissipation device is fixedly connected to the lower end of the outer tank body, and comprises a heat dissipation tank and a heat dissipation fan; the heat dissipation fan is located at the bottom of the heat dissipation tank, and is fixedly connected with the heat dissipation tank; a cold grid is fixedly connected to the upper end of the heat dissipation fan; a water tank is fixedly connected to the side wall ofthe heat dissipation tank; a circulating pump is fixedly connected to one side of the water tank, and communicates with the water tank; the cold grid communicates with the water tank through a water pipe; and one end of the copper tube communicates with the cold grid, and the other end of the copper tube communicates with the circulating pump. According to the fermentation tank being uniform in fermentation and quick in cooling disclosed by the invention, the heat dissipation device is arranged, so that quick cooling treatment can be efficiently performed on the fermentation tank by the heat dissipation device in a high-efficiency manner, so that the using of the fermentation tank is convenient, and the service life of the fermentation tank is prolonged.

The invention relates to the technical field of welding equipment, and discloses automatic workpiece welding equipment and a using method thereof. The automatic workpiece welding equipment comprises abase, a two-way threaded rod is rotationally mounted in the base, two clamping rods are in threaded connection with the outer side of the two-way threaded rod, the bottom ends of the two clamping rods are slidably mounted on the inner wall of the bottom of the base, the top ends of the two clamping rods extend to the outer side of the base, threaded rods are rotatably mounted on the two sides ofthe top of the base, the bottom ends of the two threaded rods extend into the base, four first bevel gears are rotatably mounted in the base, and the two first bevel gears on the same side in the fourfirst bevel gears are engaged with each other. The automatic workpiece welding equipment is reasonable in design, the horizontal adjusting function can be conducted on a welding device, and thereforewelding treatment is conducted on different positions, then, through an arranged rotating wheel, a spray head can swing in a reciprocating arc shape, and therefore the cooling efficiency of workpieces is improved.

The invention relates to the technical field of vehicle-mounted servers, and discloses a vehicle-mounted server equipment structure. The vehicle-mounted server equipment structure comprises a protective shell and a main body, the protective shell is of a hollow cuboid structure with an opening in the front surface, a plurality of springs are fixedly connected to the inner side wall of the protective shell, and sliding blocks are fixedly connected to the ends, away from the protective shell, of the springs; a plurality of sliding grooves are formed in the outer side wall of the main body, the sliding blocks are located in the sliding grooves and are in sliding connection with the sliding grooves, a gap is reserved between the main body and the protective shell, the higher-efficiency ventilation and exhaust effect is achieved through a fan, a containing box is fixed to the outer side of the main body, and disinfection alcohol is contained in the containing box; and the sealing cover can be opened and closed through the first telescopic rod, the cleaning cotton and disinfection alcohol are soaked through the second telescopic rod, the motor drives the threaded rod to rotate so as to drive the second telescopic rod to move, the cleaning cotton makes contact with the main body, and rapid cooling treatment is achieved.

The invention discloses an electric arc spraying device for machining. The electric arc spraying device comprises a spray gun body, wherein two contact tubes are mounted in the spray gun body, metal wires are arranged in the contact tubes, a vortex tube is embedded in the spray gun body, a cold air tube and a hot air tube are mounted on the upper side and the lower side of the vortex tube respectively, besides, the air outlet end of the hot air tube is located between the two metal wires, a guide tube communicating with inside of the hot air tube is fixedly connected with the lower end of thehot air tube, a rotating shaft is rotationally connected onto an inner wall of the guide tube, and multiple axial flow blades are fixedly connected with a side wall of the rotating shaft. When the spray gun performs spraying from top to bottom, the guide tube located at the lower part can guide out hot air flow, a to-be-sprayed surface of a workpiece can be subjected to preheating and warming treatment in advance, the condition that the spraying effect is affected due to temperature reduction of the workpiece in a process of waiting for spraying can be effectively prevented, a coating formed after spraying can be rapidly cooled by the cold air tube located at the upper part, and the spraying efficiency is increased.

The invention relates to the technical field of air conditioners, and specifically relates to an air conditioner temperature adjustment-control unit utilizing high-pressure and low-pressure conversion. The air conditioner temperature adjustment-control unit utilizing high-pressure and low-pressure conversion comprises a low-pressure bucket, a high-pressure bucket and a first heat exchanger, wherein a refrigerant water pipe is arranged in an inner cavity of the low-pressure bucket; and the refrigerant water pipe is installed in the inner cavity of the low-pressure bucket and bent in S shape. The adjustment-control unit is externally provided with a refrigerant water inlet pipe and a refrigerant water outlet pipe; a water inlet end of the refrigerant water pipe is connected with the refrigerant water inlet pipe; a water outlet end of the refrigerant water pipe is connected with the refrigerant water outlet pipe; and a plurality of water conveying pipes used for connection are arranged among the low-pressure bucket, the high-pressure bucket and the first heat exchanger. According to the air conditioner temperature adjustment-control unit utilizing high-pressure and low-pressure conversion, through system vacuumizing, the boiling point of a refrigeration solution is lowered in a vacuum environment, and the solution is vaporized and absorbs heat, so that the effect of rapid and efficient refrigeration is achieved; and energy-saving and environment-friendly overall working, and high safety are achieved.

The invention belongs to the technical field of automobile bearing production, particularly relates to cutting equipment for automobile bearing production, and provides the following scheme for solving the problems that most of cutting devices for traditional bearing production are simple in structure, the fixing effect for bearing barrel material production is common, and the subsequent cutting quality is prone to being affected. The cutting equipment comprises a fixed barrel; supporting legs are vertically welded to the four corners of the outer portion of the bottom of the fixed barrel correspondingly, the opposite sides of the inner walls of the two ends of the fixed barrel are rotatably connected with a driving threaded rod and a driven threaded rod through bearings correspondingly, and one end of the driving threaded rod and one end of the driven threaded rod are connected with a same moving block through threads; and a hydraulic rod is fixed to the outer wall of the bottom of the moving block through a bolt. The cutting equipment for the automobile bearing production provided by the invention can be matched with a one-way air valve to inflate a fixed barrel tube, so that high pressure is generated in the fixed barrel tube, a sliding abutting rod and an arc-shaped abutting block abut against a barrel material, and anti-skid stripes are matched to achieve rapid fixing treatment on the barrel material.

The invention relates to the technical field of tea production, in particular to a tea frying machine which comprises a box body, a bottom plate, a supporting frame, a uniform tea frying device, a uniform swinging device and a cooling device, an electric heating plate is fixedly connected to the outer side of the bottom end face of the box body, a feeding port is formed in the top end face of the box body, the uniform tea frying device is installed on the inner side of the box body, the uniform tea frying device comprises a motor frame, a tea frying motor, a transmission shaft and frying plates, the motor frame is fixedly connected to the inner side of the top end face of the box body, the tea frying motor is fixedly connected to one side of the motor frame, the transmission shaft is fixedly connected to the tail end of a main shaft of the tea frying motor, the frying plates are uniformly and fixedly connected to the outer side of the transmission shaft through connecting rods, the outer sides of the frying plates are slidably connected with the box body, and a grooves are formed in the inner sides of the frying plates, so that tea leaves can be stir-fried well, a good stirring effect on the tea leaves is ensured, the tea leaves are stir-fried more uniformly, and the quality of the stir-fried tea leaves is effectively ensured.

The invention discloses a low-temperature freezing fresh preservation method and low-temperature freezing fresh preservation system for aquatic products. The fresh preservation method comprises the following steps that 1, anti-oxidation treatment is conducted on the aquatic products through an anti-oxidation solution for 2 minutes to 10 minutes; 2, vacuum packaging is conducted on the aquatic products subjected to anti-oxidation treatment; 3, low-temperature refrigeration treatment is conducted on the vacuum-packaged aquatic products through low-temperature active liquid, wherein the temperature of the low-temperature active liquid ranges from minus 45 DEG C to minus 35 DEG C, and the refrigeration treatment time ranges from 10 minutes to 30 minutes. According to the automated low-temperature freezing fresh preservation system for the aquatic products, the aquatic products can be in an anti-oxidation state in a low-temperature storage environment, and it is guaranteed that the quality of the aquatic products is not affected in the storage process.