22results about How to "Freeze fast" patented technology

The utility model relates to the technical field of lead storage battery production, in particular to lead storage battery cast welding equipment. Comprising a battery clamping assembly, a bottom plate is arranged below the battery clamping assembly, a lead pan is fixed to the upper end of the bottom plate, a vertical lower air cylinder is fixed to the portion, on one side of the lead pan, of the bottom plate, an inverted-L-shaped connecting rod is fixed to the telescopic end of the lower air cylinder, a cast-weld mold is fixed to the connecting rod, a support is fixed to the portion, on the other side of the lead pan, of the bottom plate, and a motor is fixed to the upper end of the support. A rotating rod is concentrically fixed to an output shaft of the motor, a scraping rod is fixed to the upper end of the rotating rod, a fixing plate is fixed to one side of the rotating rod, a connecting plate is arranged on the rotating rod below the fixing plate in a sliding mode, the fixing plate is connected with the connecting plate through a vertical lifting air cylinder, and a cooling plate is fixed to the connecting plate. A motor is adopted to drive a scraping rod and cooling plate linkage structure, after the scraping rod scrapes redundant lead liquid on the surface of a mold in real time, the cooling plates designed in a staggered mode can immediately conduct directional cooling on the cast-weld mold, and the production takt time is remarkably shortened.

The invention belongs to the field of metal additive manufacturing, and relates to a preparation method of a formed test block containing prefabricated micropores, which comprises the following steps: 1) obtaining an initial base material sample containing a flat and smooth surface; (2) forming spherical holes in the flat and smooth surface of the initial base material sample in a machining manner; 3) filling the spherical holes with a sublimable material, and curing the sublimable material in the spherical holes; 4) sealing the spherical hole filled with the sublimable material to obtain a base material sample after hole sealing; and (5) continuously forming on the base material sample after hole sealing until a formed test block containing the prefabricated micropores is formed. The invention provides the preparation method of the formed test block containing the prefabricated micropores, which can be compatible with metal additive manufacturing process characteristics and can be used for accurately prefabricating the controllable pores.

The utility model discloses a kind of gob coalbed methane rapid plugging devices, it is related to gas layer plugging technical field, including directional drilling rig and mixing box, mixing box is used to store filling material, support frame carries out stirring to filling material in mixing box, improve the injection efficiency of filling material, improve the plugging speed to gas layer, and support frame quantitative injection retarder or accelerator in mixing box changes the coagulation speed of filling material, improve the plugging effect to gas layer, while the filling material in mixing box is stirred, the inside wall of mixing box is scraped, avoid that filling material sticks in the inside wall of mixing box, the utility model improves the speed and efficiency of plugging to gas layer.

The utility model discloses single-body quick freezing equipment which comprises a shell, a conveying belt is installed in the shell, a transmission wheel is attached to the inner wall of the conveying belt, the single-body quick freezing equipment further comprises a freezing structure, and the freezing structure is installed at the top of the inner wall of the shell. The turnover device is arranged above the conveying belt; the recovery device is mounted at the bottom of the shell; the food is quickly frozen through the freezing structure, and the food is overturned through the overturning device. The utility model relates to the technical field of quick freezing equipment, through the cooperation of a spray pipe, a connecting pipe and a liquid nitrogen pump, food is placed on a conveying belt, the input end of the liquid nitrogen pump is connected to the liquid nitrogen pipe, liquid nitrogen in a liquid nitrogen tank is conveyed into the spray pipe through the connecting pipe by the liquid nitrogen pump, and then the liquid nitrogen is sprayed out through the spray pipe, so that the food on the conveying belt is quickly frozen. Therefore, single-body quick freezing of the food in a short time is realized.

This utility model discloses an aluminum alloy single-freezing tray, including an upper frame structure and a lower single-freezing tray. The upper frame structure has an isosceles trapezoidal cross-section, which is inverted, resulting in an upper opening larger than the lower opening. The lower single-freezing tray has a rectangular cross-section with an open top. The upper frame structure and the lower single-freezing tray are integrally formed, and the connection between them is set as a limiting edge. During freezing or transportation, the aluminum alloy single-freezing tray can be stacked to save space without hindering the freezing and appearance of the frozen products. It also enables rapid freezing, reduces ice crystal formation, avoids cell structure damage, ensures uniform cold air circulation, and improves freezing efficiency.

The application discloses a polyvinyl alcohol chemical-proof glove and a manufacturing method thereof, and belongs to the field of glove materials and processing technology. In order to solve the problem of uneven flexibility and thickness of the existing gloves, the polyvinyl alcohol chemical-proof glove and the manufacturing method thereof are provided, and the glove comprises an inner lining layer and a PVA outer layer, and a water-based latex blending layer is formed between the PVA outer layer and the inner lining layer. The water-based latex blending layer is made of raw materials in the following weight proportions: PVA: 10-90; water-based latex: 140-200; glycerol: 8.0-15; polyglycerol: 5.0-15; high-molecular water-absorbing resin I: 2.0-4.0; defoaming agent: 0.5-1.5; bridging agent I: 0.5-2.0; and water: 300-400. The application can effectively reduce the probability of hydrogen bond formation between PVA molecular chains, destroy the regular structure of the film, reduce the crystallinity, thereby reducing the hardness of PVA, and improving the softness and thickness uniformity of the glove.

The present application relates to a kind of green frozen sand mold additive manufacturing forming system equipment and method, including heat-insulated sealed printer shell;Detachable multifunctional printing platform;With temperature adjustment function's ink supply system;With heat insulation function's printing assembly;Adjustable sanding volume's sanding device;Adjustable interlayer refrigerator;Multi-material precooling sand mixing device;External control cooling and humidity refrigerating unit.The device of the present application is based on the principle of additive manufacturing, according to the designed three-dimensional digital model of casting, adopts interlayer cooling method to rapidly cool down and freeze the sprayed water-based ink, forms layer by layer, can quickly produce multi-material, green pollution-free, high-quality complex sand mold (core), meet the casting needs in many aspects, improve the performance and precision of casting, realize the high efficiency, high performance and green casting of complex casting.

This invention discloses an IoT chip module encapsulation conveying device, including a CNC guide rail and a carrier block. A laterally movable mounting plate is installed on the CNC guide rail, and a rack is fixedly connected to one side of the CNC guide rail. An air supply mechanism is installed on the mounting plate, and the rack is drivenly connected to the air supply mechanism. A first sliding groove is formed on the mounting plate, and a locking block is provided on the carrier block. This IoT chip module encapsulation conveying device, through the setting of a buffer mechanism, allows the carrier block to slide along the first sliding groove due to inertia the instant the mounting plate stops. The buffer mechanism can buffer the carrier block, thereby reducing the possibility of the encapsulant on the chip flowing out or deforming due to inertia. Through the coordinated arrangement of the rack, air supply mechanism, and buffer damping adjustment mechanism, the buffer mechanism can automatically adjust the damping magnitude according to the speed of the carrier block's movement, further improving the practicality of the device.

This invention belongs to the field of aluminum-based composite material preparation technology, and relates to a continuous casting and rolling method for preparing aluminum-based composite material strips. The method involves preparing a reinforcing preform with a thickness not exceeding the roll gap distance in the aluminum-based composite material strip. Before preparing the aluminum-based composite material strip, the casting rolls are water-cooled and run at a set speed. Molten aluminum is injected into the molten pool, and the liquid level is controlled to a set value. Throughout the preparation process, the molten pool liquid level is maintained at the set value. The molten aluminum cools and solidifies upon contact with the roll surface of the casting rolls. Under the casting action of the two casting rolls, an aluminum alloy strip is formed and continuously output from the lower end of the roll gap. During the preparation process, the reinforcing preform moves from top to bottom at a set speed and is immersed in the molten aluminum pool. The molten aluminum penetrates into and fills the interior of the reinforcing preform. The reinforced preform, filled with molten aluminum, gradually solidifies as it moves to the roll gap until it is completely solidified. Then, under the casting force of the two casting rolls, it undergoes rolling deformation to form the aluminum-based composite material strip.

The present application relates to the technical field of medical materials, in particular to a premixed calcium silicate-niobium compound composite root canal filling agent, a preparation method and application. The composite root canal filling agent comprises: (a) a calcium silicate compound, (b) a phosphate compound, (c) a calcium compound, (d) a niobium compound, (e) a barrier material, (f) a non-aqueous phase solvent miscible with water, and (g) an organic substance, wherein the total amount of components (a), (b), (c), (d), (e) and (g) accounts for 60-95% of the total mass of the filling agent, and the component (f) accounts for 5-40% of the total mass of the filling agent. The filling agent has the advantages of fast solidification, good biological activity, excellent antibacterial performance and easy popularization and application.

This invention provides a composite pulse short-circuit oscillation method and apparatus for MIG welding of aluminum alloys, relating to the field of aluminum alloy welding technology. This composite pulse short-circuit oscillation method is used for large-gap vertical welding between aluminum alloy die-castings and profiles. It includes multiple consecutive welding cycles, with a large gap of 0.5mm to 1.8mm. The welding torch push angle is 0°, and the welding torch oscillates reciprocally along the weld direction. Each welding cycle includes alternating forward oscillation and backward oscillation phases, with the oscillation center point of the welding torch as the boundary. During the forward oscillation phase, the welding wire is fed in the forward direction, including alternating pulse and short-circuit phases.

The application discloses a kind of polar airport compaction snow runway pavement wear-resistant reinforcement method, the present application relates to compaction snow runway design technical field, the specific steps of compaction snow runway pavement wear-resistant reinforcement method are as follows: when compaction snow runway construction, it can be divided into foundation layer, elastic layer and smooth layer, when foundation layer construction, ice and snow can be excavated using mechanical equipment, then excavated ice and snow are put into pulverizer and crushed, then half of the crushed ice and snow is heated to convert it into liquid water, the advantages of the present application are that: ice and snow are excavated and treated, and purer water can be obtained for pavement construction, which helps to reduce impurities in ice and snow, making the pavement surface more smooth and smooth, thereby reducing friction and improving the wear resistance of the pavement, and by mixing wood chips and rubber particles with ice and snow and laying them on the foundation layer, this treatment can increase the wear resistance of the pavement and increase the service life of the pavement.

The present application relates to the technical field of new materials, and more specifically, it relates to a preparation method of collagen fiber, a collagen fiber, and an application of collagen fiber, including the following steps: (1) spinning solution: soak the collagen material in a solution with a pH of 3.5 to 5.5 and dissolve it, then adjust the pH to 9.9 to 12.5 to form a spinning solution ; (2) as-spun fiber: the spinning solution enters the coagulation bath with a pH of 4.4 to 6.8 for coagulation and spinning to form as-spun fiber.

The bronze ware casting mold with the rapid demolding function comprises two supporting plates, the outer surfaces of the two supporting plates are jointly provided with a driving assembly, the outer surface of the driving assembly is provided with a containing assembly, the outer surface of the containing assembly is provided with a clamping assembly, and the clamping assembly is arranged on the outer surface of the containing assembly. And supporting assemblies are installed on the bottom faces of the two supporting plates correspondingly, the driving assembly comprises two bearings, and the two bearings are located on the outer surfaces of the two supporting plates correspondingly. According to the device, a to-be-cast mold is put into a storage frame in the storage assembly, a driving motor in the driving assembly can drive the shell mold to turn over under the action of two bearings and two connecting rods, and therefore wax liquid in the shell mold can be conveniently poured out; and residual wax liquid in the shell mold can be rapidly solidified, so that the rapid demolding effect is achieved, and the mold demolding efficiency can be effectively improved through the device.

The invention relates to the field of inductors, in particular to inductor machining equipment which comprises a workbench, and a feeding conveying belt, a discharging conveying belt, a tin furnace and a mechanical clamping jaw are arranged on the workbench; the mechanical clamping jaw comprises a clamping jaw seat, a transverse bracket is arranged between lower supporting arms on the two sides of the clamping jaw seat, a first clamping plate and a second clamping plate are arranged in the middle of the transverse bracket, the first clamping plate is fixed to the transverse bracket, clamping plate sliding seats are arranged at the two ends of the second clamping plate, and the clamping plate sliding seats are slidably connected to the transverse bracket. A first driving telescopic piece is arranged on the transverse bracket, and the telescopic end of the first driving telescopic piece is connected with the clamping plate sliding seat; a cover body is arranged above the groove, the two ends of the cover body are connected to the clamping plate sliding bases respectively, and the cover body is connected with ventilation equipment through a pipeline. Tin liquid on the pins can be rapidly cooled, the tin liquid is promoted to be rapidly solidified, the tin liquid is prevented from making contact with the discharging conveying belt in the semi-solidified state, the problem that the pins adhere to the conveying belt is solved, and the smoothness of the machining process is guaranteed.

The utility model discloses a glass door leaf invisible sealant automatic coating device which comprises a bottom plate, the left side of the top of the bottom plate is fixedly connected with a first vertical plate, the outer side of the first vertical plate is fixedly connected with a first mounting plate, and the outer side of the first mounting plate is fixedly provided with a first electric telescopic rod through a bolt; the output end of the first electric telescopic rod is fixedly connected with a clamping plate. A first electric telescopic rod is started to work to drive a clamping plate to move towards the inner side, the clamping plate moves towards the inner side to clamp and fix an object needing to be machined, a double-shaft motor is started to work, the double-shaft motor drives a threaded rod to rotate, the threaded rod drives a movable frame to move, and the object needing to be machined is clamped and fixed. And a liquid conveying pump is started to extract glue and convey the glue into an inner cavity of a gluing gun for spraying, a second electric telescopic rod is started to work, and the second electric telescopic rod drives the gluing gun to move so as to adjust the spraying position.

The utility model discloses an ice rink refrigerating system and multi -functional stadium, the ice rink refrigerating system includes sky radiation refrigeration module, phase change material refrigeration module and transportation pipeline, and sky radiation refrigeration module sets up in the multi -functional stadium roof, and the inside formation of sky radiation refrigeration module has first flow channel, and the first flow channel is filled with the coolant for absorbing the refrigerating capacity of sky radiation refrigeration module generation, and phase change material ice module includes the bottom plate and phase change material cold plate that are laid on the ground of multi -functional stadium from below to above in proper order, and the inside formation of bottom plate has second flow channel, one end of transportation pipeline is connected with second flow channel, and its other end is connected with first flow channel and / or is connected with external compressor, and the coolant of first flow channel and / or external compressor is transmitted to second flow channel through transportation pipeline to cool phase change material cold plate, realizes the quick condensation to the water that is sprayed on phase change material cold plate.

The application discloses a vacuum rapid condensing furnace integrating regulation and control of rapid cooling and polishing, which comprises a furnace body, a vacuum subsystem connected to the furnace body, an induction melting crucible, a rapid cooling copper roller, a tundish, a flow baffle and a rough cooling turntable arranged in the furnace body, a sleeve horizontally arranged on the inner wall of the furnace body and located above the rough cooling turntable, a first motor arranged on the outer wall of the furnace body, the rapid cooling copper roller located directly below the tundish, the tundish located on the side of the induction melting crucible, the flow baffle arranged between the induction melting crucible and the tundish, the rough cooling turntable rotatably arranged directly below the rapid cooling copper roller, the rough cooling turntable connected to a second motor arranged at the bottom of the furnace body, an extendable polishing structure arranged on the inner wall of the furnace body, and an adjustable fine cooling mechanism arranged below the rough cooling turntable and used for recooling the materials in the rough cooling turntable. The application is used to regulate and control the cooling speed of alloy sheets, so that the alloy sheets can rapidly complete the cooling at a cooling speed suitable for the preparation of high-performance materials, and the agglomeration and caking of the alloy sheets can be avoided. Meanwhile, the rapid cooling copper roller can be automatically polished.

This invention belongs to the technical field of cementing equipment, specifically relating to a tubing-type cement slurry rapid solidification and anti-channeling sealing device, aiming to solve the problem of unsatisfactory anti-channeling effect for cement slurry. The invention includes a wellbore, an annular cover, a tubing string, and an anti-channeling ring plug. A slurry discharge pipe is fixedly connected to the annular cover, communicating with the annulus between the wellbore and the well casing. The tubing string is arranged between the wellbore and the well casing, sleeved on the well casing, penetrating the annular cover and fixedly connected to it. The top plane of the tubing string is higher than the upper surface of the wellhead, and the lower end is inserted below the wellhead, so that the space between the tubing string and the wellbore, located on the upper surface of the wellhead, forms an anti-channeling space. An anti-channeling ring plug is slidably installed between the tubing string and the wellbore, positioned above the anti-channeling space. This invention, by adding a tubing string between the wellhead and the wellbore, greatly improves the anti-channeling sealing effect of the slurry.

The utility model discloses an auxiliary repairing tool for shaft abrasion, and relates to the field of shaft repairing, the auxiliary repairing tool comprises a first repairing die and a second repairing die, the first repairing die and the second repairing die have the same structure, and the first repairing die and the second repairing die are symmetrically distributed. The first repairing mold and the second repairing mold are connected in a fastened mode through a connecting assembly and used for wrapping a shaft repairing area. The heating cavity is formed between the inner wall and the outer wall of the first repairing mold and the inner wall of the second repairing mold, the heating assembly is installed in the heating cavity, the heating assembly can be conveniently used for heating the inner diameter of the heating cavity, and heat can be conducted to a polymer composite material through the inner walls of the first repairing mold and the second repairing mold to promote the polymer composite material to be rapidly solidified; and through the structure of the heating structure and the mold, the subsequent thermocuring treatment of the polymer composite material is facilitated, the uniform heating characteristic is extremely met, and the working efficiency of shaft wear repair is greatly improved.

The utility model discloses high-frequency longitudinal welded pipe equipment, and relates to the field of welded pipe equipment. The high-frequency longitudinal welded pipe equipment comprises a base, a mounting frame is fixedly connected to the base, the high-frequency longitudinal welded pipe equipment further comprises mounting bases symmetrically and fixedly connected to the two sides of the base, a supporting part arranged in a cylinder shape and fixedly connected to the base, the supporting part is hollow, a cooling pipe is arranged in the supporting part, and the cooling pipe is fixedly connected to the base. The cooling pipe is arranged in a spiral shape; the clamp is arranged on the mounting seat; the contact area and the contact time of cooling liquid and the supporting part are increased through the spiral cooling pipe, the cooling liquid circulates in the cooling pipe firstly to achieve precooling, the welding position of the pipe is preliminarily cooled in a relatively mild environment, deformation and cracks of the pipe caused by overlarge thermal stress are avoided, and then the cooling liquid is sprayed out through the liquid spraying nozzle to achieve rapid cooling. The welding seam is rapidly solidified, grains are refined, the strength and toughness of the welding seam are improved, and the overall quality of the pipe is guaranteed.