7results about How to "Solve uneven temperature" patented technology

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.

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.

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.