33results about How to "Improve the ability to resist external force" patented technology

The invention discloses a high-elongation wear-resistant oil-resistant rubber sole and a preparation method thereof. The rubber sole comprises 65-75 weight parts of nitrile rubber, 15-25 weight parts of natural rubber, 8-12 weight parts of butadiene rubber, 1.8-2.0 weight parts of sulphur, 1.5-2.1 weight parts of sulfuration promoter, 6-7 weight parts of sulfuration activator, 15-21 weight parts of rubber softener, 50-58 weight parts of N330 carbon black, and 8-12 weight parts of silica. According to the invention, by designing the rubber formula of the rubber sole, the processing conditions of the rubber sole and the sulfuration technology of the sole, the external force resistance of the rubber is enhanced, the elongation of the rubber is raised, the outsole rebound is raised, the requirement of wear-resistant oil resistance is realized fundamentally, the problems of bad oil resistance, low wear resistance, and low elongation existing in the present rubber soles are solved, the wear resistance and oil resistance of the rubber sole are raised, and the service life is prolonged.

The invention discloses a highly wear resistant rubber sole and a preparation method thereof. The rubber sole is mainly made by plastication, masterbatching, mixing and remixing of natural rubber, synthetic rubber, sulfidizer, vulcanization accelerator, vulcanization activator, solid softener, liquid softener and carbon black. The rubber sole has the advantages of enhancing the outside force resistance of the rubber, improving the extension modulus and the tensile strength of the rubber, improving the resilience force of the outer bottom, lowering the Hardness HA of rubber materials and radically realizing the highly wear resistant performance; moreover, in the invention, the rubber materials for the highly wear resistant rubber sole are not mixed with plastic materials, and the weight of the synthetic rubber against the total weight of framework materials is not more than 40 percent, while the wear resistance of the sole reaches the Akron wear volume 0.15 to 0.30cm<3> / 1.61km, which is far higher than the wear resistance (0.5cm<3> / 1.61km) of the rubber for tires, so that the service life of the rubber sole is prolonged more than three times.

The invention discloses a safety and wind-resistant metal roofing structure system including a roofing system, a main steel structure and a roof decoration structure. The roofing system is connected with the main steel structure by sandalwood strips, wherein the sandalwood strips include main sandalwood strips and auxiliary sandalwood strips. The main sandalwood strips are arranged on the upper portion of the main steel structure, and are connected with the main steel structure by connectors. Sleeved pipes are arranged on the main sandalwood strips, and long circular holes are formed in the main sandalwood strips. The sleeved pipes penetrate the long circular holes, and are connected with the main sandalwood strips by bolt assemblies. The sleeved pipes and the main sandalwood strips are positioned by lug plates. Cushion plates are arranged between the bolt assemblies and the long circular holes, and the sleeved pipes are connected with the main sandalwood strips by connecting steel plates. The auxiliary sandalwood strips are connected with the main sandalwood strips by connecting plates. The roof decoration structure is arranged on the upper portion of the roofing system, and is connected with the roofing system by U-shaped adapters. The safety and wind-resistant metal roofing structure system is provided with the sleeved pipes and the lug plates, and the connection between thesleeved pipes and the main sandalwood strips is realized by the bolt assemblies penetrate through the long circular holes, so that the problem of flexibility of the sandalwood strips caused by temperature difference is solved well.

The invention discloses an amorphous alloy transformer and an iron core of the amorphous alloy transformer and a manufacturing method of the amorphous alloy transformer. The amorphous alloy transformer iron core comprises an outer moldboard, an inner moldboard, a plurality of amorphous alloy pieces and supporting pieces, wherein the amorphous alloy pieces are arranged between the outer moldboard and the inner moldboard, and the supporting pieces are arranged between each two amorphous alloy pieces. External force resistant capacity of the amorphous alloy iron core is improved due to a supporting function of the supporting pieces, epoxy resin coated on the surface of the iron core is not prone to cracking or dropping due to stressing, and therefore noise of the amorphous alloy iron core is reduced effectively. Meanwhile, overall rigidity of the amorphous alloy iron core is enhanced, when emergency short circuit happens to the amorphous alloy transformer, the iron core is not prone to deformation, and reliability of operation of the amorphous alloy transformer is enhanced.

The invention relates to an SIP (session initiation protocol) packaging structure with the integrated photoelectric transceiving function and a process method thereof. The structure comprises a substrate (1). An optical transmitter (2) and an optical receiver (3) are attached to the substrate (1). A metal shell (4) is arranged outside the optical transmitter (2) and the optical receiver (3). A lens (5) is arranged inside the metal shell (4). A chip (6) and a passive device (7) are attached to the outer surface of the metal shell (4). The metal shell (4), the chip (6) and the passive device (7) are externally provided with a metal cover (9). The upper end of the upper hollow cylinder (4.1) of the metal shell (4) is exposed out of the metal cover to form a light opening (10). According to the invention, by adopting a metal shell component, a photoelectric sending module and a receiving module are integrated in an SIP (session initiation protocol) package. Therefore, the complex process of an existing product is simplified. The production efficiency is improved. Meanwhile, the external force resistance and the leakproofness of the product are improved.

The invention discloses a highly wear resistant rubber sole and a preparation method thereof. The rubber sole is mainly made by plastication, masterbatching, mixing and remixing of natural rubber, synthetic rubber, sulfidizer, vulcanization accelerator, vulcanization activator, solid softener, liquid softener and carbon black. The rubber sole has the advantages of enhancing the outside force resistance of the rubber, improving the extension modulus and the tensile strength of the rubber, improving the resilience force of the outer bottom, lowering the shore hardness of rubber materials and radically realizing the highly wear resistant performance; moreover, in the invention, the rubber materials for the highly wear resistant rubber sole are not mixed with plastic materials, and the weightof the synthetic rubber against the total weight of framework materials is not more than 40 percent, while the wear resistance of the sole reaches the Akron wear volume of 0.15 to 0.30cm<3> / 1.61km, which is far higher than the wear resistance (0.5cm<3> / 1.61km) of the rubber for tires, so that the service life of the rubber sole is prolonged more than three times.

The invention discloses a biomass charcoal bar with high calorific value, and relates to the technical field of biology environment protection. The biomass charcoal bar is prepared by the following steps of crushing corn straw, so as to obtain the corn straw powder; treating the corn straw powder by a silane coupling agent solution, modifying the treated corn straw powder by polymer, and carbonizing the product by a pyrolyzing furnace, so as to obtain biomass charcoal; pressing the biomass charcoal into bars to obtain charcoal bar. The biomass charcoal bar prepared by the invention has the advantages that the combustion property of the forming fuel is enhanced; after compression molding is performed, the formed charcoal bar has certain external force-resisting ability; the easiness in crushing in the transportation or storage process is avoided, discharged smoke and dust in the combustion process is little, ash slag after combustion is little, the combustion property is stable, the slag forming-resistant ability is strong, and the slag forming and corrosion in the straw combustion process are effectively reduced.

The invention discloses a novel super abrasion resisting rubber sole, comprising the following ingredients by weight parts: natural rubber, synthetic rubber, sulphur, sulfuration promoter, sulfuration activator, rubber softening oil, N220 carbon black and antioxidant. The invention makes an improvement on the formula and preparation method of the product, thus anti-external force capability of the rubber itself is enhanced, the stretching strength of the rubber is raised, the resilience force of the outsole is raised greatly, the shore hardness of the rubber compound is reduced, so that the requirement of super abrasion resisting performance is fundamentally achieved. According to the invention, no plastic ingredient is doped in the rubber compound for the super abrasion-resisting rubber sole, the abrasion resistance of the sole can reach to the Akron wear volume of 0.15-0.25cm<3> / 1.61km, and the life of the rubber sole is raised more than 5 times; simultaneously the shore hardness is between 53-63 degrees while the abrasion resistance is achieved, thus the comfortability of the rubber sole is well guaranteed.

The invention discloses an adjustable air conditioner water drainage plastic pipe. The adjustable air conditioner water drainage plastic pipe comprises a metal hose, a water collection hopper, a plastic hose, a structure steel wire and a frostproof layer, connecting bases are fixedly connected to both ends of the metal hose, fixed flanges are arranged at both sides of the connecting bases, the water collection hopper is fixedly connected to one side of the fixed flanges, the plastic hose is fixedly connected to one end of the water collection hopper, a water outlet hood net is fixedly connected to one end of the plastic hose, a structural steel wire is arranged inside the plastic hose, the frostproof layer is arranged at the periphery of the plastic hose, and a corrosion resistance layer is arranged at the periphery of the frostproof layer. The adjustable air conditioner water drainage plastic pipe is simple in structure and novel in design, through the arranged metal hose, the direction of the air conditioner water drainage plastic pipe can be effectively adjusted, and meanwhile, the adjustable air conditioner water drainage plastic pipe has the function of shaping and orientating. The metal hose is specifically made of stainless steel materials, the adjusting function is more reliable, and the adjustable air conditioner water drainage plastic pipe has a strong structure and corrosion-prevention capability. The adjustable air conditioner water drainage plastic pipe is durable, and has high popularization value.

The invention relates to the technical field of agriculture, in particular to a novel soft tray seedling raising device for machine transplanting of rice. The device mainly comprises a matrix-shaped seedling raising tray which is composed of a plurality of seedling holes which are formed horizontally and vertically in a horizontal plane, wherein each seedling hole is of an inverted cone cylinder shape, a connecting plate extending all around in a horizontal direction is arranged at the edge of the mouth of each cylinder, and the thickness of each connecting plate is larger than the thickness of the side wall and the lower bottom of each seedling hole; a plurality of water drainage holes are formed in the side wall and the lower bottom of each seedling hole, a section of cracks extending tothe periphery is formed in each water drainage hole, and the surface of the inner wall of each seedling hole is provided with a root fixing pile extending inwards in the direction of a central axis.The invention aims to achieve separate cultivation of rice seedlings through the independent seedling holes, and no cracking, caused by pulling, of the rice seedlings occurs during machine transplanting, so that smooth growth of the seedlings is ensured.

The invention discloses a high-altitude anti-inclination steel frame structure. The high-altitude anti-inclination steel frame structure comprises a supporting beam, a mast, supporting rods, inclinedsupporting rods and an annular rod. The mast is arranged on the supporting beam, the supporting rods are connected to the lower end of the mast, the inclined supporting rods are arranged in the middlesection of the mast, and the annular rod is arranged on the inclined supporting rods. The tip of one end of each supporting rod is connected with the tip of one end of the corresponding inclined supporting rod. The invention further discloses an installation method of the high-altitude anti-inclination steel frame structure. By the adoption of the full-steel structure, the intensity of the top ofa tower is enhanced; by the adoption of bolt connection, welding, buckling connection and other connection modes, the tenacity of the top of the tower is improved.

The invention discloses a composite floor slab, an arc-shaped side form for side face forming and a preparation method of the composite floor slab. The composite floor slab comprises a floor slab bodyformed by pouring reinforced concrete; the left side and the right side of the floor slab body are of arc-shaped structures, and a plurality of pouring notches are formed in the upper portions of thearc-shaped structures at intervals; a positioning steel plate with an L-shaped structure on one side is fixed in each pouring notch correspondingly, the positioning steel plates of left and right adjacent floor bodies are connected and fixed through connecting steel plates of U-shaped structures, and the positioning steel plates are fixedly connected with the connecting steel plates through boltsand nuts; and horizontal reinforcing steel bars are exposed out of the front side and the rear side of the floor slab body and arranged on the front side and the rear side of the floor slab body in astaggered mode, hanging tie bars are exposed out of the top of the floor slab body, and every two adjacent hanging tie bars are connected through a steel pipe filled with high-strength mortar. According to the composite floor slab, the arc-shaped side form for side face forming and the preparation method of the composite floor slab, the firmness degree of the splicing seam of the floor slab is enhanced, and the service life of the floor slab is prolonged.

The invention provides a polyethylene armored drainage pipe which comprises a pipe body, the pipe body comprises an outer layer wall, a middle layer wall and an inner layer wall, the outer layer wall is an armored polyethylene layer wall, the middle layer wall is a vertical steel belt reinforcing rib, and the vertical steel belt reinforcing rib is evenly wound on the outer side of the inner layer wall. The vertical steel belt reinforcing ribs and the outer layer wall or the inner layer wall are connected into a whole through hot melting extrusion molding. The outer layer wall armored polyethylene layer can increase the mechanical compressive strength of the pipe body, can prevent mouse biting, and prevents the problem of inner layer wall damage caused by penetration through the armored base layer, and the armored pipe has significantly improved erosion resistance and external force resistance. The method is suitable for fluid conveying and ventilation pipes in various laying modes such as pipe rack support type, suspension type, buttress type and buried type. The compressive strength of the pipe can be remarkably improved, the safety performance is improved, and the pipe has the strength of steel and the toughness of plastic.

The embodiment of the invention provides a printed circuit board manufacturing method, a printed circuit board and a mobile terminal. The method comprises steps: a pad is manufactured in a preset area of the printed circuit substrate; and a metal sheet manufactured in advance and in a specific shape is mounted on the pad, and thus, the printed circuit board is formed. The step of manufacturing the metal sheet in a specific shape comprises the following sub steps: in view of the preset area, a quadrilateral area covering the preset area is generated; the length of a diagonal line of the quadrilateral area is determined; according to the length of the diagonal line, the target diagonal line length is calculated; and by adopting the target diagonal line length, a metal sheet covering the preset area is manufactured, as the preset area is generally an area with weak strength or concentrated stress, after the metal sheet is mounted on the preset area, the anti-external force ability of the area can be enhanced, and the purpose of reducing the risk that the line in the area is broken can be achieved.

The invention discloses a liquid transfusion device for landscaping and a using method of the liquid transfusion device. The liquid transfusion device comprises a shell and further comprises a protection mechanism, wherein the protection mechanism is specifically composed of a supporting plate, a protection cover, a spring clamping block, a flow guide pipe, a rotating clamping block, a sealing bearing and a needle tubing, the supporting plate is welded to the surface of the shell, the flow guide pipe is installed on the inner wall of the supporting plate, the spring clamping block is welded to the inner wall of the supporting plate, the protection cover is detachably connected to the surface of the supporting plate, and the rotating clamping block is rotationally connected to the inner wall of the protection cover in a matched mode. When the whole device is used, the whole device is in a cartoon image, the overall attractiveness of the environment cannot be damaged, furthermore, the whole device is of a multiple fixing structure, fixing is conducted under the condition that surface tissue of a tree trunk is not damaged, the overall external force resistance is greatly improved, the overall device can be repeatedly used, the garden maintenance cost is greatly reduced, and the overall device can be suitable for tree liquid transfusion devices for landscaping in a large range.

The invention discloses a high-elongation wear-resistant oil-resistant rubber sole and a preparation method thereof. The rubber sole comprises 65-75 weight parts of nitrile rubber, 15-25 weight parts of natural rubber, 8-12 weight parts of butadiene rubber, 1.8-2.0 weight parts of sulphur, 1.5-2.1 weight parts of sulfuration promoter, 6-7 weight parts of sulfuration activator, 15-21 weight parts of rubber softener, 50-58 weight parts of N330 carbon black, and 8-12 weight parts of silica. According to the invention, by designing the rubber formula of the rubber sole, the processing conditions of the rubber sole and the sulfuration technology of the sole, the external force resistance of the rubber is enhanced, the elongation of the rubber is raised, the outsole rebound is raised, the requirement of wear-resistant oil resistance is realized fundamentally, the problems of bad oil resistance, low wear resistance, and low elongation existing in the present rubber soles are solved, the wear resistance and oil resistance of the rubber sole are raised, and the service life is prolonged.

The invention relates to a lateral-outlet photoelectric sending-receiving-function integrated SiP encapsulating structure and a process method thereof. The structure comprises a substrate (1), wherein an optical sender (2) and an optical receiver (3) are laminated to the substrate (1), metal shells (4) are arranged outside the optical sender (2) and the optical receiver (3) and comprise square shells (4.1), round pies (4.2) are arranged outside the square shells (4.1), and second lens (5) are arranged in the round pies (4.2); and a chip (6) and passive devices (7) are laminated to the substrate (1) outside the metal shells (4), and the metal shells (4), the chip (6) and the passive devices (7) are encapsulated with plastic materials (6). According to the structure, a sending module and a receiving module are integrated into an SIP encapsulating structure by virtue of metal shell parts, so that the multifarious process of existing products is reduced, the production efficiency is improved, and meanwhile, the external force resistance and impermeability of a product are improved.

The invention discloses a vine plant brick for landscaping, which comprises a protective plate and an auxiliary net and further comprises a supporting mechanism and a connecting mechanism, wherein the supporting mechanism is specifically composed of two supporting blocks, an extension arm, a rotating disc, a threaded groove, an inserting opening, a spring block and contact blocks, the two supporting blocks are welded to the surface of the protective plate, two extension arms are welded to the surface of the supporting blocks, a rotating disc is rotatably connected to the surfaces of the extension arms in a matched mode, threaded grooves are welded to the upper end and the lower end of the surface of the rotating disc, the thread directions of the threaded grooves are opposite, and the contact blocks are connected to the surfaces of the threaded grooves in a matched and threaded mode. During use, the whole vine plant brick can be mounted without large-scale dismantling of a wall, the strength of the wall is not affected, high-strength footholds and nutrition are integrally provided for the roots of the vine plants, the vines can grow according to a pre-designed scheme, and the follow-up maintenance of the vines is greatly reduced.

The invention discloses the technical field of glass preparation, and relates to the specific fields of a glass craft material and a preparation method thereof. The glass craft material comprises thecomposition with corresponding weight parts: 25-30 parts of quartz sand, 6-11 parts of basalt, 4-8 parts of diatomite, 15-20 parts of sodium carbonate, 18-23 parts of calcite, 10-15 parts of kaolin, 7-12 parts of boric acid, 1-5 parts of phosphate rock, 3-7 parts of bamboo charcoal powder, 0.1-0.5 part of silver oxide, 0.8-1.2 parts of calcium sulfate, 0.5-1 part of manganese dioxide and 1-4 partsof carbon nitride. The glass craft material has a certain bacteriostatic effect by interaction of the phosphate rock, bamboo charcoal powder and silver oxide, so the adhesion of bacteria on the surface of a glass craft is reduced, the glass craft is prevented from becoming a bacterial infection source, people health is effectively protected, and the glass craft material has the advantages of easyavailability of raw materials, reasonable formula, bacteriostasis and improvement of external force resistance.

The application relates to a leak-proof grout structure for concrete members, which belongs to the field of construction engineering, and includes a base. Opposite formwork is arranged on both sides above the base, and a side of the formwork lower end facing the base is provided for sealing the formwork and the base. There are leak-proof components in the gap between them. The template and the base are provided with a number of reserved holes, and a fixing component for fixing the template on the base is provided between the reserved holes. The application has the effects of improving the reinforcement strength of the formwork and reducing grout leakage between concrete components.

The invention discloses a PET detector system with a self-locking structure. The PET detector system with the self-locking structure structurally comprises a signal detection module, a coincidence electronics module, an image reconstruction module and a power supply module. The signal detection module converts gamma photons emitted into a crystal into visible light, carries out photoelectric conversion and analog-digital conversion, converts the visible light into a digital electric signal and transmits the digital electric signal to the coincidence electronics module, and the coincidence electronics module extracts time, energy and position information in the digital electric signal. Three kinds of information are transmitted to the image reconstruction module through the Ethernet and theupper computer, the image reconstruction module reconstructs an original image through an image reconstruction algorithm, and the power supply module is responsible for providing different power supplies for all devices in the electronics module. A self-locking structure is introduced into the self-locking photon receiving module, so that the imaging definition is effectively improved.

The invention discloses a tire for a bicycle, specifically a weight-resistant tire for a bicycle. A tire body is composed of a high-density layer, a reinforcement layer and a tread layer from the inside to the outside successively; the high-density layer and the reinforcement layer are successively made into circles to form circumferences; the reinforcement layer is arranged on the outer periphery of the high-density layer; the tread layer is arranged on the outer periphery of the reinforcement layer, and made of a 68SA rubber compound layer with thickness increased by 5 mm; plurality of block pattern groups are symmetrically arranged on the surface of the tread layer; each block pattern group comprises four strip convex ribs and six polygonal pattern blocks. The present technical scheme enhances puncture-proof capability of the tire for bicycle and prevents the tire bead from being burned due to friction, such that the ability of the tire to resist external forces is enhanced.

The invention relates to a quartz resonator, and discloses a quartz resonator comprising a low-phase-noise shock resistance quartz crystal wafer. The quartz resonator comprises the quartz crystal wafer (1), and a main electrode (6) is connected to the quartz crystal wafer (1); a first secondary electrode (51) and a first conductive electrode (71) are connected to the top face (11) of the quartz crystal wafer (1), and a second secondary electrode (52) and a second conductive electrode (72) are connected to the bottom face (12) of the quartz crystal wafer (1); the projection of the first secondary electrode (51) on the bottom face (12) is in point symmetry with the projection of the second secondary electrode (52) on the bottom face (12), and the projection of the first conductive electrode (71) on the bottom face (12) is in point symmetry with the projection of the second conductive electrode (72) on the bottom face (12). The quartz resonator is simple in structure and convenient to use, and improves structural stability and external force resistance capacity due to the fact that the quartz crystal wafer with the small diameter is adopted.

The invention discloses a device for adjusting the position of a jacking die. The device comprises a mounting base, wherein a die frame base is arranged on the mounting base and is in a step shape, a plurality of die fixing grooves are formed in the left side and the right side of the die frame base, the die fixing grooves in the left side and the die fixing grooves in the right side of the die frame base are arranged in a staggered mode, the shape of the die fixing grooves is matched with that of the die, the two sides of the left side of the die frame base are each provided with a fixing plate, a threaded hole is formed in the position, corresponding to each die fixing groove, of each fixing plate, a vertical open groove is formed over each threaded hole, a jacking threaded rod is arranged in each threaded hole, a through hole is formed in the center of each jacking threaded hole, and a wire outlet groove connected with the corresponding through hole is formed in each jacking threaded rod. According to the device, the die is prevented from being impacted by liquid in the vertical die frame base and is prevented from being affected by external force caused by equipment vibration and the like, the external force resistance of the die is enhanced, position deviation is avoided, and therefore the wire outlet ring diameter of the die in each pass is stabilized.

The invention relates to a preparation method for self-heating heat-storage heat-insulation paper, relates to the field of special paper materials, and aims to solve the technical problem that currentthermal-storage paper has poor flexibility and high costs. The method comprises the following steps: uniformly mixing carbon black, zirconium carbide and aluminum oxide to obtain a filler mixture; adding the filler mixture into paper pulp through an internal filling method, performing papermaking, and performing drying to obtain the self-heating heat-storage heat-insulation paper; or uniformly mixing carbon black, zirconium carbide and aluminum oxide to obtain a pigment mixture; and preparing a coating from the pigment mixture, coating the surface of paper by a coating method, and performingdrying to obtain the self-heating heat-storage heat-insulation paper. According to the self-heating heat-storage heat-insulation paper prepared by the internal filling method provided by the invention, the toughness is improved by 10%-13% and the strength is improved by 5%-7% than those of blank paper without the filler mixture; according to the self-heating heat-storage heat-insulation paper prepared by the coating method, the toughness is improved by 28%-33% and the strength is improved by 25%-27% than those of paper as a substrate; and the paper provided by the invention can be used in thefield of heat-insulation materials.

The invention discloses a kitchen rubber sole and a preparation method and secondary vulcanization process thereof. The kitchen rubber sole comprises: 14-18 parts of natural rubber, 82-86 parts of synthetic rubber, 3.5-4.5 parts of a vulcanizing agent, 2-2.8 parts of a vulcanization accelerator, 7-9 parts of a vulcanization activator, 10-15 parts of a solid softener, 3-5 parts of a liquid softenerand 60-68 parts of a reinforcing agent. According to the kitchen rubber shoe sole provided by the invention, an original sole rubber material formula is improved, the oil resistance of the rubber sole is improved, thus ensuring that the oil resistance and service life of the rubber sole conform to the kitchen use environment, and improving the service life of a rubber outsole rubber shoe in a kitchen environment by three times or above.

The invention discloses a roof sunlight plate and a mounting method, and is characterized in that the roof sunlight plate comprises a sunlight plate main body, a drainage channel and a lock catch; the left side and the right side of the lock catch have radian; the lock catches on joint faces of the two adjacent sunlight plates are connected through an upright lockrand clamp; the sunlight plate is formed through one-step die-casting molding; and the mounting method of the roof sunlight plate comprises the following steps: the upright lockrand clamp is adopted to clamp and compress the lock catches on the corresponding joint faces of the two adjacent sunlight plates, and then a plurality of other sunlight plate main bodies are mounted in the same way so as to form a roof through connection. The roof sunlight plate achieves excellent performance, and the mounting method is simple, rapid and beautiful and achieves wide applicability.

The invention relates to the technical field of agriculture, in particular to a novel soft tray seedling raising device for machine transplanting of rice. The device mainly comprises a matrix-shaped seedling raising tray which is composed of a plurality of seedling holes which are formed horizontally and vertically in a horizontal plane, wherein each seedling hole is of an inverted cone cylinder shape, a connecting plate extending all around in a horizontal direction is arranged at the edge of the mouth of each cylinder, and the thickness of each connecting plate is larger than the thickness of the side wall and the lower bottom of each seedling hole; a plurality of water drainage holes are formed in the side wall and the lower bottom of each seedling hole, a section of cracks extending tothe periphery is formed in each water drainage hole, and the surface of the inner wall of each seedling hole is provided with a root fixing pile extending inwards in the direction of a central axis.The invention aims to achieve separate cultivation of rice seedlings through the independent seedling holes, and no cracking, caused by pulling, of the rice seedlings occurs during machine transplanting, so that smooth growth of the seedlings is ensured.