16results about How to "Solve uneven temperature" patented technology

The invention discloses a PVB (Polyvinyl Butyral) film forming die and a forming process thereof, and relates to the technical field of PVB film forming, the PVB film forming die comprises a sliding seat and an extruder assembled with the sliding seat; the elevator assembly is arranged on the sliding seat; the double-roller cooling assembly is arranged on the elevator assembly; wherein the double-roller cooling assembly comprises two cooling roller bodies, and each cooling roller body comprises a barrel, a water inlet assembly and a water outlet assembly, and the water inlet assembly and the water outlet assembly are arranged at the ends of the barrel respectively; the barrel comprises a water inlet inner sleeve, a cooling middle sleeve and an embossing outer sleeve which are sequentially distributed from inside to outside, and a one-way valve plate assembly and a baffle assembly are arranged on the periphery of the water inlet inner sleeve; and the transmission block is arranged between the water inlet inner sleeve and the cooling middle sleeve. According to the invention, through the operation of rapid water injection and cooling on the opposite clamping sides of the two barrels and rapid extrusion and drainage on the opposite sides, the rapid injection circulation and replacement process of cooling water is realized, and the cooling effect of the barrels is obviously improved, so that the cooling forming quality of a PVB film is ensured.

The present invention discloses a PVB film forming mold and a forming process thereof, and relates to the technical field of PVB film forming, including: a slide, an extruder assembled with the slide; an elevator assembly arranged on the slide; and a double-roller cooling assembly arranged on the elevator assembly; wherein the double-roller cooling assembly includes two cooling roller bodies, each of which includes a cylinder, and a water inlet assembly and a water outlet assembly respectively arranged at the ends of the cylinder; the cylinder includes an inner water inlet sleeve, a cooling middle sleeve and an embossed outer sleeve sequentially distributed from the inside to the outside, wherein a one-way valve plate assembly and a baffle assembly are arranged on the outer periphery of the inner water inlet sleeve; and also includes a transmission block arranged between the inner water inlet sleeve and the cooling middle sleeve. The present invention realizes the rapid filling, circulation and replacement process of cooling water by rapidly injecting water and cooling the clamping sides of the two cylinders, and rapidly squeezing and draining water on the opposite sides, and significantly improves the cooling effect of the cylinder to ensure the cooling and forming quality of the PVB film.

The invention provides multi-point temperature measurement feedback induction heating equipment which comprises a furnace body, at least one or three heating systems are arranged in the furnace body, and each heating system comprises a plurality of temperature detectors installed at different positions of the furnace body, a plurality of induction heating coils surrounding the furnace body, an insulating plate fixed outside the furnace body and a medium-frequency alternating-current power supply unit. According to the multi-point temperature measurement feedback induction heating equipment, the design of the induction heating coils allows the coils to be connected in series or in parallel by using bolts, nuts and metal plates on the insulating plates. The invention further provides an induction heating equipment temperature balancing method based on point temperature measurement feedback. By adjusting the series-parallel configuration of the induction heating coils, more uniform temperature distribution can be realized in the furnace body, and particularly, the problem of non-uniform temperature in the traditional induction heating technology is solved at the upper end, the lower end and the middle part of the furnace body.

The invention belongs to the technical field of storage tank manufacturing, and discloses a brewing tank and a manufacturing method thereof.The brewing tank comprises an inclined bottom, a grating, a top plate and a barrel, the inclined bottom is obliquely arranged and made of concrete, the grating is laid on the upper surface of the inclined bottom and filled with a foaming layer, the top plate covers the top of the grating and is made of glass fiber reinforced plastic, and the barrel is inserted into the inclined bottom; and a connecting flange is arranged at the top of the cylinder body and is used for connecting other equipment or pipelines. The problem that an inclined bottom of an existing storage tank is not prone to heat preservation can be effectively solved, the overall heat preservation performance and use efficiency of the storage tank are effectively improved, the uniformity and stability of the liquid temperature in the brewing process are guaranteed, and meanwhile maintenance and cleaning are easy.

The invention discloses a cooling and heating chopping board which comprises a bottom shell, a refrigeration sheet, a heat and cold conduction sheet, a panel and a circuit board, the panel is installed at the upper end of the bottom shell, an installation cavity is defined by the panel and the bottom shell, and the heat and cold conduction sheet, the refrigeration sheet and the circuit board are all installed in the installation cavity; the heat conduction and cold conduction sheet and the refrigeration sheet are sequentially arranged at the lower end of the panel from top to bottom, the refrigeration sheet is electrically connected with the circuit board, a control device electrically connected with the circuit board is arranged on the panel, and the control device is used for controlling the circuit board to provide forward current for the refrigeration sheet for refrigeration. Or the control circuit board provides reverse current for the refrigeration sheet for heating. According to the cooling and heating chopping board, heating and refrigerating can be achieved through the refrigerating pieces, so that when the cooling and heating chopping board achieves heating or refrigerating, the areas covered by all the refrigerating pieces can be synchronously heated or refrigerated, and the problem that the temperature on the panel is not uniform when different parts are adopted for heating and refrigerating is solved.

The utility model relates to the field of metal material processing, in particular to a heating device for metal material production, which comprises a mounting seat, a clamping component and the like, a heater is fixedly connected on the mounting seat, a heating pipe for heating metal materials is fixedly connected on the front side of the heater, and a motor is fixedly connected on the left side of the mounting seat. A lead screw is rotatably connected to the front side of the mounting seat, the left end of the lead screw is fixedly connected to an output shaft of the motor, a limiting rod is fixedly connected to the front side of the mounting seat, a fixing column is fixedly connected to the moving block, and a push rod is fixedly connected to the fixing column; the right end of the push rod is fixedly connected with a clamping assembly used for clamping metal materials of different shapes. The lead screw is directly connected with the motor to drive the push rod to move linearly at a constant speed, constant-speed pushing of metal materials is achieved through high-precision thread transmission, and the problem that the temperature in the heating pipe is not uniform due to traditional manual feeding speed fluctuation is thoroughly solved.

The utility model discloses a kind of marine engineering thick plate weld rapid preheating device, marine engineering structure thick plate weld rapid preheating device is used to preheat the weld position of thick plate, marine engineering structure thick plate weld rapid preheating device includes main pipe and multiple sub-pipes, wherein, mixed gas is arranged in main pipe;Multiple sub-pipes are connected in parallel in main pipe, multiple gun heads are arranged on each sub-pipe, gun head can output mixed gas as preheating flame, the gun head on adjacent sub-pipe can output preheating flame to the both sides of weld position, for preheating weld position.The marine engineering structure thick plate weld rapid preheating device is heated by multiple gun heads double-side synchronously, solve traditional single-head bake handle temperature uneven problem, reduce weld pore and crack defect.Parallel sub-pipe design expands preheating area, shortens preheating time, applicable to 38mm above thick plate (such as 1.2-3m length thick plate);Main pipe-sub-pipe integrated design reduces gas delivery loss, improves heat energy utilization.

The utility model discloses an asphalt rotary shear failure experimental device, and relates to the technical field of asphalt performance testing. The device comprises a test box body, a top panel, a heating cylinder, a fixed plate and a fixed disc, an embedded plate is movably connected in a movable opening, the fixed disc is fixed on the end face, flush with the test box body, of the embedded plate, the fixed plate is arranged on one side of the test box body, and electric push rods are symmetrically fixed on the side, close to the test box body, of the fixed plate along the center line in the vertical direction. The telescopic ends of the two electric push rods are fixed to the fixing disc, a top panel is hinged to the upper portion in the test box body, air outlets are symmetrically formed in the top of the top panel in a penetrating mode along the center line parallel to the short edge, and a heating cylinder is fixed to the center of the interior of the top panel in a penetrating mode. Through the arrangement of the test box body, the top panel, the heating cylinder, the fixed plate and the fixed disc, the problems that the asphalt rotary shear failure test device is easy to cause non-uniform temperature of asphalt and broken asphalt blocks after test are inconvenient to clean are solved.

This invention relates to a wide-width high-temperature carbonization furnace, belonging to the technical field of carbon fiber production equipment. The furnace chamber of this invention has an arched top plate, and the connection between the arched top plate and the side plates is a sliding groove engagement. The furnace body contains an ash accumulation chamber, a graphite scraper capable of completely covering the ash accumulation chamber, and a graphite scraper driving mechanism. The ash accumulation chamber is connected to injection and suction ports located on both sides of the furnace body. The arched top plate of this invention, which is slidably supported by the side plates, provides strong structural stability. Furthermore, the movable graphite scraper and ash accumulation chamber within the furnace allow for automatic cleaning of the furnace without shutting down the production line.

The invention discloses a novel polycrystalline silicon thin film structure for field effect passivation of a crystalline silicon cell and PECVD (plasma enhanced chemical vapor deposition) equipment, and relates to the technical field of production of crystalline silicon photovoltaic cells, the polycrystalline silicon (Poly-Si) thin film structure comprises two low-concentration doped regions and two high-concentration doped regions, and the low-concentration doped regions and the high-concentration doped regions are stacked layer by layer. The low-concentration doped region and the high-concentration doped region are stacked layer by layer, free carriers in the high-concentration doped region are diffused to the low-concentration doped region, fixed ions with charges are left, the high-concentration doped region becomes a high net charge region, the low-concentration doped region is high in crystallinity and carrier mobility, impurity atom diffusion is inhibited, and the performance of the device is improved. By arranging the high net charge region, the enhanced field effect passivation effect is realized, so that the efficiency of the crystalline silicon photovoltaic cell is improved.

This invention discloses an integrated digital PCR system and its usage method. The system comprises a high-density microcavity array digital PCR chip with an integrated cavity, an optical detection module, a hot water circulation temperature control module, a fluid control module, and a central control module. When applied to nucleic acid sample detection, the digital PCR chip is first fixed on the stage of the optical detection module, and connecting tubes for the sample tubes and hot water tank are installed at each chip interface. Then, the central control module is activated, and relevant parameters of the control program are set. The control program then controls the fluid control module, hot water circulation temperature control module, and optical detection module to sequentially perform operations such as sample filling, sample discretization, hot water circulation amplification, chip scanning and recording, and data analysis. Based on the combination of the microcavity array and integrated cavity structure of the digital PCR chip, this system allows the entire digital PCR detection process to be completed on a single instrument, improving detection efficiency and result reliability.

The invention provides a turnover mechanism and method for a substrate clamping plate in a vacuum environment, and relates to the field of semiconductor manufacturing. The mechanism comprises an overturning cavity, and an overturning frame and an overturning support assembly which are arranged in the overturning cavity, and the overturning support assembly comprises a first substrate clamping plate and a second substrate clamping plate which are oppositely arranged. The overturning driving assembly is arranged outside the cavity and drives the overturning frame to rotate through the vacuum magnetofluid sealing piece. The clamping plate opening and closing assembly comprises an elastic piece arranged on the support and an external clamping opening driving piece, and the driving piece overcomes elastic force through the corrugated pipe so as to open and close the clamping plate. The driving assembly is externally arranged, so that the problems of heat dissipation and vibration of the vacuum motor are solved, and the cost is reduced; and in combination with an elastic clamping and lifting structure, the sheet taking and placing efficiency and the overturning precision are improved.

The utility model belongs to the technical field of heat treatment processing, and particularly relates to continuous glass heat treatment processing equipment which comprises a conveying seat, an installation groove is formed in the upper surface of the conveying seat, a conveying belt is arranged in the installation groove of the conveying seat, a heat treatment mechanism is arranged on the conveying seat, and the heat treatment mechanism comprises an installation frame located over the conveying seat. A first heating assembly is fixedly connected to the lower surface of the mounting frame, and a second heating assembly is arranged on the inner wall of the conveying base and located in the conveying belt. According to the utility model, the heat treatment mechanism is arranged for bidirectional heating, so that the problem of uneven temperature possibly caused by unidirectional heating is effectively avoided, the uniformity of glass heating is greatly improved, and all parts of the glass are ensured to be heated consistently in the heat treatment process, thereby improving the product quality, shortening the preheating time of the glass and improving the production efficiency. And the efficiency of the whole heat treatment process is improved, and continuous production can be achieved.

The utility model relates to the technical field of tremella processing, in particular to a low-temperature vacuum fresh-keeping device for tremella processing, which comprises a fresh-keeping box, a plurality of trays are movably mounted in the middle of the inner side of the fresh-keeping box, and a rotating mechanism is arranged between the fresh-keeping box and the trays; a plurality of fan-shaped storage boxes are movably mounted on the tray, and a fixing mechanism is arranged between the tray and the bottom end of each fan-shaped storage box. The first evaporator and the second evaporator are installed on the two sides of the interior of the fresh-keeping box respectively, the fresh tremella fuciformis is evenly exposed in the cooling range of the evaporators in the cooling process in combination with constant-speed rotation of the rotary tray, it is ensured that each part of the fresh tremella fuciformis can be rapidly cooled to be below-18 DEG C, and the fresh tremella fuciformis can be kept fresh. And the problem of non-uniform temperature caused by single-point refrigeration or dense stacking in the prior art is avoided.

The invention discloses an atomic gas chamber inner and outer ring double-layer non-magnetic electric heating device based on an MEMS technology. The atomic gas chamber inner and outer ring double-layer non-magnetic electric heating device comprises a boron nitride heat preservation structure, a double-layer inner and outer ring heating film and a vertically symmetrical platinum resistor multi-point temperature measuring system. When the atom magnetometer gas chamber based on the spin exchange relaxation effect is in operation, the uniform non-magnetic heating effect of the atom gas chamber based on the MEMS process is realized through the combined action of the double-layer inner and outer ring heating films on the boron nitride heat preservation structure and the multi-point temperature measurement system. The method comprises the following steps: firstly, preparing a double-layer inner and outer ring heating film wiring structure on the surface of glass through an MEMS (Micro Electro Mechanical System) process to realize uniform non-magnetic electric heating; secondly, a vertically symmetrical platinum resistor multi-point temperature measuring system is machined on the boron nitride heat preservation structure, and temperature collection of different positions in the atomic gas chamber based on the MEMS technology is achieved. According to the invention, non-magnetic uniform heating of the atomic gas chamber based on the MEMS technology can be realized, and the heating requirements of other atomic spin quantum sensors are met.

The invention discloses a cyclopentane foaming device, including a white material tank, a black material tank, a mixing head for polyurethane foaming, and a high-pressure metering pump, wherein the high-pressure metering pump is used to pump white material and black material to the mixing head respectively; the pipelines for pumping white material and black material by the high-pressure metering pump are connected to energy accumulators, wherein the back pressure of the energy accumulator on the pipeline for pumping white material is greater than the back pressure of the energy accumulator on the pipeline for pumping black material; the white material tank, the black material tank, and the high-pressure metering pump are all located in an airtight enclosure, and an explosion-proof system is arranged in the airtight enclosure. The object of the present invention is to provide a cyclopentane foaming device, so as to solve the problems of multiple equipment drive motors, high energy consumption, and large safety hazards when using cyclopentane foaming in the prior art; and the problems of complex structure, high cost, large volume, and difficulty in miniaturization of equipment, which can not only ensure high-precision metering, but also can greatly improve safety performance and greatly reduce equipment cost, and significantly reduce energy consumption.