52results about How to "Complete shape" patented technology

The invention discloses a preparation method of a built-in gas circuit of a ceramic disc of an electrostatic chuck, and belongs to the technical field of electrostatic chucks. S2, processing a positioning hole, a via hole and a DC hole in the ceramic green sheet prepared in the above step through a machining center; s3, filling conductive metal slurry in the via hole, and printing a metal electrode layer, a first Via Pad layer and a second Via Pad layer on the surface of the ceramic green sheet in a screen printing manner; s4, laminating to form an upper ceramic green compact block and a lower ceramic green compact block; s5, performing gas path processing on the surface of the lower ceramic green compact block; s6, the upper ceramic green compact block and the lower ceramic green compact block subjected to gas circuit machining are stacked together in a positioning and stacking mode, and a complete gas circuit is formed; s7, degreasing and glue discharging are conducted on the upper ceramic green compact block and the lower ceramic green compact block, and the ceramic plate subjected to glue discharging is formed; s8, performing high-temperature sintering to obtain ceramic; and S9, the machining center machines the air outlet channel.

The invention provides a precision forging method for an adjustable blade of an aero-engine based on titanium alloy, which can realize precision forging forming of the blade of the titanium alloy aero-engine, enables the blade profile size of a blade forging to directly reach the size of a finished product, does not need to be machined again, is high in product percent of pass and good in air passage consistency, also can keep the continuity of a metal flow line, and is suitable for large-scale production. The mechanical property and the aerodynamic performance are high, and the surface integrity and the metallographic structure meet the design requirements. The method comprises the following steps of blanking, surface cleaning, glass lubricant spraying, heating blank making, surface cleaning, glass lubricant spraying and forging, and is characterized in that the forging procedure comprises heating upsetting, heating pre-forging and heating finish forging, and the surface cleaning and glass lubricant spraying are respectively carried out after each procedure of heating upsetting, heating pre-forging and heating finish forging.

The invention discloses a hollow glass polishing and press-fit fixing device, and relates to the technical field of glass manufacturing, the hollow glass polishing and press-fit fixing device comprises a hollow glass polishing device and a polishing control system, supporting plates are uniformly distributed and mounted on the outer side surface of a limiting and fixing assembly, and baffles are mounted on the outer side surfaces of the output ends of a plurality of electric telescopic rods; large round hollow glass slowly rotates, so that the edge is in contact with a grinding head for grinding, it is ensured that the large round hollow glass is always dynamic in the grinding process, the more uniform grinding effect is achieved, local excessive abrasion or uneven abrasion generated in the grinding process is avoided, the total grinding efficiency is improved, and the grinding efficiency is improved. By means of the grinding device, the working efficiency is higher, the shape is kept complete in the grinding process, the large round hollow glass can rotate more smoothly, the grinding process can be controlled more accurately, and the grinding device is particularly suitable for occasions needing high machining precision.

The invention relates to the technical field of cutting, in particular to a material cutting device for sensor machining. The technical problems that due to the fact that an existing cutting device cannot conveniently clamp the cutting edge of a membrane, the membrane is likely to deviate in the subsequent cutting process, a cutting tool is likely to extrude and deform the membrane, burrs on the edge of the membrane cannot be conveniently removed through the existing cutting device, and the cutting efficiency is high are solved. Therefore, burrs on the edge of the diaphragm are not flat and smooth. A material cutting device for sensor machining comprises a main mounting frame, a supporting ring frame, an electric push rod and the like. A supporting ring frame is fixedly connected to the upper portion of the main mounting frame, and two electric push rods are fixedly connected to the supporting ring frame. And a telescopic rod of the electric push rod continues to extend to drive a circular ring, a rotating ring, a transmission frame, an extrusion strip, an extrusion frame and a spiral frame to move downwards, then a pressing ring and a placement ring frame jointly clamp the membrane, and then a round rod conducts extrusion limiting on a limiting rod and the pressing ring.

The invention provides a test device and method. The device comprises a test probe; wherein the test probe comprises a probe arm and a contact end arranged on the probe arm; the contact end comprises a contact head with an opening in one side and an inclined guide arm arranged at the opening end of the contact head; and the contact head is in contact conduction with a support column of a metal bump on a chip to be detected under the elastic guide action of the inclined guide arm, so that the chip to be detected and the test probe carry out signal transmission through the support column. According to the invention, the related test of the chip can be completed under the condition that the solder cap is not damaged.

The invention provides a chip lateral pushing test device and method. The device comprises a test probe and an elastic supporting assembly arranged on one side of the test probe. Wherein the test probe comprises a probe arm and a contact end arranged at the end part of the probe arm, and the contact end is in contact conduction with a support column of a metal bump on a chip to be detected; the elastic supporting assembly is used for being stressed to deform and generating lateral thrust to the probe arm in the process that the contact end is in contact with the supporting column; and the contact end is in butt joint with the supporting column under the auxiliary effect of the lateral thrust, so that the chip to be detected and the test probe perform signal transmission through the supporting column. According to the invention, the related test of the chip can be completed under the condition that the solder cap is not damaged.

The invention relates to the technical field of optical metering equipment, and discloses detection equipment for detecting the geometrical morphology of a wafer, which comprises a support frame, and an annular guide rail is arranged at the top end of the support frame; the inner side of the annular guide rail is provided with a channel for the detection lens to slide, and the detection lens slides by taking the channel as a track to measure different angles of a wafer, so that the optical interference of a blind area is reduced; two light source rings are symmetrically arranged on the inner wall of the annular guide rail with the channel as the center. The detection lens is arranged in the annular guide rail, the detection lens can slide on the inner side of the channel, and the annular guide rail can rotate at multiple angles, so that the purpose of reducing detection blind areas can be achieved through measurement from different angles, and data of multiple visual angles are combined to obtain a complete shape. Meanwhile, the light source and the detection lens are arranged on the same straight line, so that shadow and reflection are reduced, the light source with uniform light intensity is provided, and the intensity difference between the center and the edge is reduced.

The invention provides an intelligent heat dissipation system of a bread production line and a working method of the intelligent heat dissipation system, the heat dissipation system comprises a turning conveyor, a linear conveyor, a turn-over device and a heat dissipation device, and the heat dissipation device is used for cooling the surface of the linear conveyor. In the working process, bread is fed on one linear conveyor, conveyed to the turning conveyor and then conveyed to the other linear conveyor from the turning conveyor to be discharged, in the process, the turnover device drives the bread to be turned over on the turning conveyor, one face of the bread faces downwards to be conveyed on one linear conveyor, and the other face of the bread faces downwards to be conveyed on the other linear conveyor. Then the bread is conveyed on the other linear conveyor with the other face facing downwards, the two faces of the bread in the conveying process are made to conduct heat exchange with the two linear conveyors in a contact mode, then a cooling heat dissipation mode is formed, compared with an air blowing mode, the appearance of the bread is not prone to being damaged through the contact heat dissipation mode, and the service life of the bread is prolonged. And the yield of bread production can be improved.

The invention discloses a safety capacitor protective cap and a mounting method of a cable and the protective cap. The capacitor protection cap comprises a protection part and a crimping part. The crimping part is connected to the lower end of the protection part; a wire passing hole with two through ends is formed in the protection part, and a limiting fastener is connected to the edge of the wire passing hole in the outer wall of the protection part; a fastening groove with the front end and the rear end penetrating through is formed in the end, away from the wire passing hole, of the limiting fastener. A wire passing channel with an opening is formed between an outer hole opening of the wire passing hole in one side of the limiting fastener and a rear end opening of the fastening groove. The opening is located in the side direction of the limiting fastener and allows the cable to enter and exit from the wire passing channel. The front end of the wire passing channel is communicated with the rear end of the fastening groove, and the rear end of the wire passing channel is communicated with the wire passing hole. The inner wall of the fastening groove is provided with anti-skid lines in the radial direction. During installation, the cable can be clamped into the fastening groove from the groove opening of the fastening groove, and the cable is fastened. The device is simple in structure, and can achieve the clamping and fixing of an outgoing cable.

The utility model relates to a bulk material sample forming combined die, and belongs to the technical field of quality inspection in the metallurgical industry. Comprising a cylindrical female die with a hollow inner cavity, a pressing head is inserted into the inner cavity of the female die from the inlet end of the female die, and the outlet end of the female die is detachably connected with a die cushion; chamfered edges are respectively arranged at two ends of the inner wall of the female die; after pressing is completed, the die cushion is replaced with a demolding device, the demolding device is of a cylindrical structure with a hollow inner cavity, and after replacement, the demolding device is communicated with the inner cavity of the female die; the die cushion comprises a base and a protruding part which are connected with each other, and the protruding part is inserted into an inner cavity of the female die. The pressure head comprises a chassis and a cylinder which are connected with each other; the cylinder is inserted into the inner cavity of the female die; lubricating layers are arranged on the inner wall of the female die, the outer wall of the protruding part and the outer wall of the cylinder. According to the utility model, the bulk material is pressed into a large sample block by utilizing the plasticity, high elongation rate and percentage reduction of area of the bulk material, so that a sample preparation component sample can be conveniently drilled, and specific component analysis can be carried out.

The application discloses a method for accurately analyzing high-temperature change of niobium compound in steel, which comprises the following steps: (1) fixing a metallographic sample on a clamp; (2) polishing and cleaning the surface of the metallographic sample; (3) observing the metallographic sample by using a metallographic microscope, finding characteristic niobium compound, marking the outer edge of the characteristic niobium compound by using a microhardness tester, and then accurately measuring the size of the marked niobium compound under a scanning electron microscope and accurately determining the composition of the marked niobium compound by using an energy spectrometer; (4) heat treating the metallographic sample to obtain a heat-treated sample; (5) removing the surface oxide of the heat-treated sample and then corroding the surface of the heat-treated sample; and (6) observing the change of the marked niobium compound after heat treatment under a scanning electron microscope and determining the composition of the marked niobium compound by using an energy spectrometer. The method has the characteristics of low detection cost, rapidness, simplicity, accuracy and the like.

The application belongs to the technical field of novel gas sensitive electrode materials, and particularly relates to a Pt / CrWN2 gas sensitive electrode material and a preparation method and application thereof. The CrWN2 material with the advantages of binary transition metal nitride is synthesized by a hydrothermal-ammonolysis combined method, and Pt nanoparticles are loaded on the surface of the nitride to synthesize the Pt / CrWN2 gas sensitive electrode material. The preparation method of the Pt / CrWN2 gas sensitive electrode material has the advantages of short reaction time, simple operation and excellent material performance. The Pt / CrWN2 gas sensitive electrode material can be used for preparing a gas sensor, and the gas sensor has excellent long-term stability and rapid response recovery performance, and has important application value.

The present disclosure relates to a kind of metal organic framework adsorption material and its preparation method and use, the method comprises: S1, the suspension of containing metal organic framework raw material is carried out ultraviolet irradiation treatment, obtain the light product;S2, the light product is carried out solid-liquid separation, obtain the solid product;Wherein, the wavelength of ultraviolet irradiation treatment is 200-400nm.The method provided in the present disclosure can efficiently and accurately regulate defect concentration, the crystal structure and morphology of the material prepared are intact, and have more active sites.The metal organic framework adsorption material provided in the present disclosure has excellent adsorption performance when used for adsorbing antibiotics.

The present invention provides a chip testing device and method, wherein the device comprises: a probe holder, a driving device for driving the probe holder to move, and a test probe arranged on the probe holder; wherein the metal bump of the chip to be tested comprises a support column arranged on the chip protection layer and a solder cap located at the end of the support column; the test probe is a cavity structure with an open end, and the material comprises a memory metal; the open end of the test probe contacts and conducts with the support column when a preset condition is met, so that the chip to be tested and the test probe transmit signals through the support column. The above invention can be used to complete relevant tests on the chip without damaging the solder cap.

The present application relates to a kind of dry equipment and drying method of handle mushroom, dry equipment includes conveying belt, the perforation for stem insertion from top to bottom is equipped on conveying belt;Drying cabinet can be passed through conveying belt, and the drying cabinet is sequentially divided into first chamber, second chamber and third chamber along the conveying direction of conveying belt, the top of the first chamber is equipped with first spraying device and first microwave drying device, the first spraying device is located in the upstream of first microwave drying device, hot air drying device is equipped in the second chamber, the top of the third chamber is equipped with second spraying device and second microwave drying device, the second spraying device is located in the upstream of second microwave drying device, and the effect of drying is good, and energy consumption is low.

The present invention provides a refrigerator, comprising: a door for opening and closing a storage compartment of the refrigerator, the door comprising a door lining, the door lining being arranged on the surface of the door facing the storage compartment; a bottle holder detachably connected to the door lining; a first bottle holder for loading articles, having a first working state and a second working state, the first bottle holder being configured to be stacked on the bottle holder when in the first working state, and being separately arranged outside the refrigerator as a storage box when in the second working state. When a user needs to clean the door, the bottle holder can be removed and the door lining of the refrigerator can be wiped. Since the door lining structure of the refrigerator is flat and has fewer corners after the bottle holder is removed, it is more convenient and quick for the user to clean the door. And since the first bottle holder is stacked on the bottle holder, the first bottle holders for refrigerators of different types can be interchangeable, thereby enhancing the adaptability of the first bottle holder.

The application belongs to the technical field of electrical insulation materials and nanocomposite material preparation, and discloses a method for preparing aramid composite insulation film by sorting long halloysite nanotubes. In the method, the halloysite nanotube raw material is sorted by natural settlement in water to obtain long halloysite nanotubes, which are then compounded with aramid nanofibers, and the composite insulation film with a dense staggered layered structure is prepared through spray film forming, solvent replacement and heat pressing densification treatment. The obtained film has excellent mechanical properties, insulation properties and high-temperature stability, and is resistant to acid, alkali, salt and organic solvent corrosion, and has good moisture-proof characteristics after hydrophobic modification. The sorting process is green and environmentally friendly, does not require organic additives, has excellent comprehensive performance, and is suitable for high-end insulation fields such as dry-type transformers, new energy motors and aviation electrical appliances.

The application provides popcorn and a preparation method thereof, and relates to the technical field of popcorn. The popcorn is prepared from pretreated corn kernels, oil and fat components and composite sugar powder. The composite sugar powder comprises isomaltulose, trehalose, allulose, natural inulin and licorice extract powder. The pretreated corn kernels are prepared from corn kernels, stevioside and glucose-based stevioside. The popcorn provided by the application can meet the characteristics of not being sticky, having a crisp taste and not being collapsed in shape. By compounding multiple functional sugar and natural extracts, the technical problems of being sticky, not having a crisp taste and having inconsistent sweet taste distribution in traditional popcorn are solved.

The utility model relates to the field of sole molds, and discloses a sneaker sole production mold which comprises a telescopic structure, a main body structure and a pressing structure, the main body structure is located on the outer wall of the telescopic structure, and the pressing structure is located on the top of the telescopic structure; and the telescopic structure comprises an air cylinder, a telescopic rod is fixedly connected to the interior of the air cylinder, a telescopic plate is fixedly connected to the top of the telescopic rod, a spring is fixedly connected to the top of the telescopic plate, and a fixing plate is fixedly connected to the top of the spring. Through the arrangement of the telescopic structure, the air cylinder drives the telescopic rod to do up-down telescopic motion, so that the telescopic plate moves up and down, the spring pops out of the fixed plate through the telescopic plate, and the automatic elastic pressing effect is achieved. The blade is elastically pressed through the fixing plate so as to automatically cut off overflowing glue on the edge of the shoe sole, it is guaranteed that the shoe sole can be in a complete shoe sole shape after demolding, the shoe sole mold is placed at the top of the fixing plate, and the shoe sole style can be freely replaced.

This invention provides a method for preparing WC-Co cemented carbide based on electron beam selective melting, belonging to the field of cemented carbide additive manufacturing technology. The method includes: 1) mixing tungsten carbide powder and cobalt powder; 2) modeling the component to be printed; 3) setting substrate preheating parameters; 4) setting contour scanning parameters; 5) setting part scanning parameters; 6) setting the part scanning strategy; 7) loading the mixed powder into the hopper of an electron beam selective melting device, leveling the substrate, and evacuating the vacuum; 8) cyclically stacking the powder according to steps 2) to 6) to obtain the WC-Co cemented carbide. The microstructure of this cemented carbide shows that the average size of the WC grains is 50-60 μm, and the Co phase is uniformly distributed between the WC hard phases. Room temperature tribological tests show that the cemented carbide has a friction coefficient of 0.55–0.65 at room temperature, exhibiting excellent room temperature wear resistance, making it suitable for cutting tools, molds, mechanical parts, etc., where room temperature tribological performance is required.

The invention discloses a preparation technology of Laiwu old dried tea, and relates to the technical field of tea processing. Comprising the following steps of fresh leaf picking, withering, fixation, first-time heaping for yellowing, rolling, second-time heaping for yellowing, first-time baking, third-time heaping for yellowing, fourth-time heaping for yellowing, second-time baking, tea steaming, drying and electrostatic color sorting and impurity removal. The preparation technology of the Laiwu old dried tea is optimized on the basis of material selection and technology of traditional Laiwu old dried tea, and the tea leaves are complete in appearance, fresh and fresh in fragrance, good in surface fragrance and high in concentration and durability of the fragrance; the tea is high in content of tea polysaccharide, caffeine and amino acid, mellow in taste, low in water content and resistant to brewing.

The utility model discloses a buried gas pipeline leakage characteristic simulation device, which is used for adjusting a pipeline support A and a pipeline support B through a support knob to regulate and control the inclination angle of a leakage pipeline, and is used for simulating the leakage characteristic of the leakage pipeline through a sonic sensor and a PC (Personal Computer) processing host. The digital camera focuses on the covering soil on the leakage point of the leakage pipeline in the box body, the image and sound wave information of the covering soil eroded by the leakage gas of the buried gas pipeline are analyzed and extracted, the hoses at the two ends of the leakage pipeline are detached after a group of experiments is finished, and the digital camera records holes formed by the covering soil in the box body A and the box body B due to gas erosion; when the device is used, the drawing plate A and the drawing plate B can be drawn out respectively, covering soil can be poured out quickly, leaked pipelines can be cleaned, the influence of leakage conditions of buried gas pipelines with different pipe diameters, leakage hole diameters, leakage positions and the like on the covering soil structure can be obtained efficiently, and the device is high in practicability, safety and testing efficiency, flexible to operate, convenient to build and install and free of environmental pollution.

The invention discloses an Al layer-containing II-type superlattice device and a construction method thereof, and the construction method comprises the following steps: constructing an Al layer-containing II-type superlattice material epitaxial wafer, and growing a hard mask on the Al layer-containing II-type superlattice material epitaxial wafer to obtain a hard mask-containing epitaxial wafer, transferring an etching pattern to the surface of the epitaxial wafer containing the hard mask, carrying out hard mask opening etching, transferring a photoetching pattern to the hard mask, carrying out dry etching to obtain a groove with a three-dimensional structure, carrying out alkali treatment on the groove, then removing the hard mask through a dry method, and finally carrying out acid treatment to obtain the three-dimensional groove. And growing a passivation layer in the processed groove, etching a specified region of the passivation layer to expose the epitaxial wafer material, and then growing metal in the exposed region of the material to obtain the type-II superlattice device containing the Al layer. According to the construction method, the passivation effect can be improved, the surface leakage current is reduced, and the stability of the device is improved.

The present invention provides a method for manufacturing a flash memory device, comprising: providing a substrate, on which a silicon oxide layer and a polysilicon layer are formed, word lines are formed on both sides of the silicon oxide layer, and the upper surface of the word line is lower than the lower surface of the polysilicon layer; coating a barrier layer; etching back a portion of the thickness of the barrier layer; coating an anti-reflection layer and a photoresist layer; exposing and developing the photoresist layer; etching the polysilicon layer to obtain an erase gate; and removing excess photoresist layer, anti-reflection layer and barrier layer. The present invention adopts a double coating process of a barrier layer and a photoresist layer, and utilizes the barrier layer to protect the word line in the process of etching and removing excess polysilicon layer to obtain the erase gate, thereby avoiding the situation where the word lines on both sides of the silicon oxide layer are mistakenly etched, thereby ensuring the normal operation of the word line.

The self-adaptive rapid demolding mechanism comprises a bottom plate and a top plate, forming parts are installed on the faces, close to each other, of the bottom plate and the top plate, the upper forming part and the lower forming part are matched and used for forming of the complex plastic mold, and each forming part comprises a supporting plate and a forming plate; the supporting plates in the upper and lower groups of forming parts are respectively fixed with the top plate and the bottom plate, and the outer sides of the supporting plates are fixed with the forming plates; a forming cavity used for complex plastic forming is formed in the outer side of the forming plate, and a forming piece capable of moving inside and outside is arranged in the forming cavity. According to the device, the forming sheet moves towards the interior of the first separation groove, gas in the first separation groove can move into the second separation groove from the interior of the first circular air hole and the interior of the second circular air hole, the second separation groove is in a grid shape, complex plastic is impacted in a large range, the complex plastic is separated from the mold, deformation of the complex plastic is avoided as much as possible, and the production efficiency is improved. And the complex plastic processing efficiency is also improved.

The invention belongs to the field of EBSD sample preparation, and relates to a medium / high-entropy alloy spherical powder EBSD electrolytic polishing sample preparation method which comprises the following steps: mechanically mixing iron-based amorphous spherical powder, tin-bismuth alloy powder and medium / high-entropy alloy spherical powder to be detected to obtain mixed powder; taking two metal plates with grooves, spreading the mixed powder in the groove of one metal plate, and placing the other metal plate on the mixed powder to form a sandwich structure; after hot-pressing and curing the sandwich structure, cutting off the part, located on the outer side of the groove, of one end of the metal plate to obtain a to-be-detected sample; and taking one side of the cut metal plate as a to-be-detected surface, polishing and flattening, and then carrying out mechanical polishing and electrolytic polishing. The medium / high-entropy alloy spherical powder EBSD sample can be prepared in a low-cost, high-quality, large-area and high-efficiency manner.

The invention discloses an optimization method for a release hole structure of a bulk acoustic wave resonator filter. The optimization method comprises the following steps: step 1, adding an auxiliary release structure on the upper surface and / or the lower surface of a release hole position; wherein the lattice mismatch rate of the auxiliary release structure material and the piezoelectric layer material is lower than 5%, the auxiliary release structure is annular, the inner diameter of the auxiliary release structure is not smaller than the center value of the designed diameter of the release hole, and the auxiliary release structure is not in contact with the top electrode or the bottom electrode. Step 2, preparing a release hole: taking silicon oxide as a hard mask, and performing release hole patterning at the position of the release hole to form a vertical release hole; and 3, preparing a cavity: releasing the sacrificial layer material through the release hole, and forming the cavity communicated with the release hole below the bottom electrode. By adding the auxiliary release structure on the surface of the release hole, the overall structural strength of the release hole can be enhanced, the shape and size are easy to control, microdefects around the release hole are avoided, and the yield of the device can be effectively improved.

The invention belongs to the technical field of new energy battery sealant manufacturing, and discloses photo-thermal dual-curing long-acting sealing silicone rubber as well as a preparation method and application thereof, and the preparation method comprises the following steps: S1, preparing raw materials according to a mass part ratio, including platinum catalyst slow-release microcapsules; s2, preparing a silicone rubber base material; and S3, preparing the long-acting sealing silicone rubber, wherein the two molecular groups participate in UV curing and thermocuring respectively under the action of the polymerization inhibitor. The invention also discloses the photo-thermal dual-curing long-acting sealing silicone rubber prepared by the method, and application of the silicone rubber in manufacturing of new energy batteries. The platinum catalyst sustained-release microcapsule which passively releases the catalyst to initiate the thermocuring reaction is prepared, and two-step curing is adopted, so that a structural adhesive layer respectively meets the performance requirements of a structural sealing stage and a disaster tolerance stage, and the defects that an existing sealant is long in curing time, does not have disaster tolerance performance and the like can be overcome; the method can be widely applied to manufacturing of hydrogen fuel cells or lithium batteries.

The invention discloses high-temperature-oxidation-resistant heat-resistant steel and a preparation method and application thereof.The high-temperature-oxidation-resistant heat-resistant steel comprises a heat-resistant steel base material and a protective coating located on the surface of the heat-resistant steel base material, and the protective coating is composed of intermetallic compounds and sequentially comprises a (Fe, Ni) Al phase layer, a FeAl3 (Fe4Al13) phase layer and a Fe2Al5 (FeAl2.8) phase layer from inside to outside. The high-temperature-oxidation-resistant heat-resistant steel is obtained by coating the surface of a heat-resistant steel base material with a pure aluminum layer and then carrying out heat treatment. The preparation process of the protective coating is high in efficiency, high in positioning capability of the protective unit and environment-friendly. The prepared coating can effectively protect the basic heat-resistant steel, the service life of the heat-resistant steel in a hot corrosion environment is greatly prolonged, and the comprehensive cost of the material is remarkably reduced.

The utility model discloses a pressure-resistant food packaging box, which relates to the technical field of baked food packaging containers and comprises a packaging base, and a limiting frame is arranged on the surface of the packaging base in a protruding manner and used for preventing food in the packaging base from slipping. The top cover box comprises a pressure-resistant cover matched with the contour of the food, the periphery of the pressure-resistant cover is provided with a buckling part in an extending mode, the buckling part is detachably connected with the packaging base, and the pressure-resistant cover covers the limiting frame and is used for covering the upper portion of the food; and the compression-resistant ribs are arranged on the periphery of the compression-resistant cover, the bottoms of the compression-resistant ribs are attached to the compression-resistant cover and the buckling part, and the tops of the compression-resistant ribs are flush with the top of the compression-resistant cover. According to the food compression-resistant packaging box, the limiting frame of the packaging base can effectively prevent food displacement, the top cover box is matched with the packaging base to be buckled, the food is protected in the space of the compression-resistant cover, the compression-resistant ribs reinforce the compression-resistant strength of the compression-resistant cover, the food is effectively protected, the food is kept in the complete shape in the take-out state, and the food quality is improved. The original appearance and taste of the food are kept.