61 results about "Sunflower" patented technology

The invention discloses a beef cattle forage and a preparation method thereof. The beef cattle forage is composed of the following raw materials, by weight, 45-55 parts of sugarcane stalk, 25-30 parts of Silphium perfoliatum, 20-25 parts of banana leaf, 15-20 parts of peanut vine, 10-15 parts of waste molasse, 10-20 parts of brewer's grain, 10-15 parts of a sugar beet pulp, 1-2 parts of a starter, 40-50 parts of barley powder, 20-30 parts of corn bran, 15-25 parts of peanut meal, 4-6 parts of a soft sweet additive, 3-5 parts of sunflower receptacle powder, 5-10 parts of diatomite, 3-6 parts of maize oil, 2-4 parts of sodium alginate, 1-1.5 parts of calcium hydrogen phosphate, 0.5-1 part of sodium hydrogen phosphate, and 0.3-0.5 parts of salt. The forage contains all nutrition required by the growth of beef cattle, guarantees the healthy production of the beef cattle, provides healthcare values, and raises the growth speed of the beef cattle.

The invention relates to the technical field of nano materials, and discloses a sunflower nano array structure for enhancing SERS activity and a preparation method thereof. The preparation method comprises the following steps: cleaning a silicon wafer; preparing an ordered single-layer sunflower array consisting of polystyrene microspheres with two diameters on the surface of a silicon wafer through a self-assembly method, wherein the diameter ratio of the two polystyrene microspheres is 1: (2.5-10); etching the polystyrene microsphere array until the diameters of the polystyrene microsphereswith smaller diameters are reduced by 10%-40%; and sputtering silver on the etched array to obtain the sunflower nano array structure capable of enhancing the SERS activity. The sunflower nano array structure prepared by the preparation method disclosed by the invention is relatively high in SERS activity, and the sensitivity, accuracy and repeatability of SERS detection can be improved.

The invention relates to a salt nitrogen influence-based sunflower leaf area index growth prediction method, which comprises the following steps of: determining single plant leaf area indexes of sunflowers at various salt nitrogen levels in various growth stages to obtain relative leaf area indexes RLAIj of the sunflowers at the various growth stages at the various salt nitrogen levels; normalizing each growth stage of the sunflower by adopting the activity accumulated temperature, and establishing a function relationship between the RLAIj and the DVSj; establishing a corresponding function relationship between the average maximum single plant leaf area index LAImax of the sunflower in the whole growth period and the salt nitrogen content level; establishing a sunflower single plant leaf area index prediction model influenced by the salt nitrogen level; calculating sunflowers needing to be predicted through a prediction model formula according to the initial salt content of soil beforesowing, the nitrogen application level and the growth period where the sunflowers are located. According to the method, the influence of the soil salt nitrogen level on sunflower leaf area index growth and the influence of various factors in growth are fully considered, and the established prediction model formula calculation method is simple, accurate and effective.

The invention discloses a multiplex DPO-PCR (dual-priming oligonucleotide-polymerase chain reaction) detection kit for sunflower white rust and black stem and application thereof. The multiplex DPO-PCR detection kit comprises a primer set for detecting or auxiliarily detecting whether the detected strain is sunflower white rust or sunflower black stem, wherein the primer set is composed of a primer 1, a primer 2, a primer 3 and a primer 4. The test proves that the DPO primers and detection kit have the characteristics of favorable specificity, high accuracy and high sensitivity and can be used for detection, differentiation and identification of sunflower white rust and sunflower black stem.

The invention relates to the technical field of agricultural machinery, in particular to a cross-flow wind screen type edible sunflower cleaning device which comprises a shaking plate, an upper screen, a lower screen, a rocker driving device and a cross-flow fan. The shaking plate is fixedly connected with the lower screen, the upper screen and the lower screen are connected with the rocker driving device, and the rocker driving device drives the shaking plate, the upper screen and the lower screen to move. The cross-flow fan is arranged on the right side of the lower screen. Through the combined action of the cross-flow fan, the upper screen and the lower screen, grains of threshed edible sunflowers are separated from impurities, the cleaning rate of the grains of the edible sunflowers isincreased, damage to the grains of the edible sunflowers is small, and a good impurity removing operation effect is achieved.

The invention provides a method for improving water and fertilizer utilization efficiency of sunflower in severe saline-alkali soil by utilizing ceramsite. The method comprises the following steps: mixing ceramsite with different particle sizes according to an optimized mass ratio according to the soil texture condition, applying the mixed ceramsite and a humic acid organic fertilizer to the severe saline-alkali soil, performing rotary tillage or powder ridging to uniformly mix the mixed ceramsite and a surface soil layer, performing base fertilizer strip application and film mulching, then performing irrigation and salt pressing, performing sowing at an appropriate time, and reducing nutrient leaching loss by optimizing and operating the type, the dosage and the application method of a nitrogen fertilizer in the growth period of the sunflower. According to the method, the optimized application of the ceramsite and the efficient operation and management of water and fertilizer are combined, so that the leaching efficiency of soil salt is improved, loss reduction and storage protection of nutrients and crop absorption are promoted, and resource utilization of waste in the severe saline-alkali soil and water and fertilizer synergism of the sunflower are realized.

The invention relates to eyesight-improving refreshing fruit tea and a preparation method of the eyesight-improving refreshing fruit tea. The eyesight-improving refreshing fruit tea is composed of the following raw materials in parts by weight: 20-30 parts of rose apple fruits, 20-30 parts of rose apple stamens, 20-30 parts of chrysanthemums, 20-30 parts of Taibai flowers, 10-20 parts of sunflowers, 5-10 parts of lemon slices, 5-10 parts of wolfberry fruits, 5-10 parts of unripe jasmines, 5-10 parts of semen cassiae torae, 20-25 parts of plantain herb, 15-25 parts of wheel blade chelonopsis, 20-30 parts of russula virescens, 20-25 parts of semen cuscutae, 20-25 parts of abrus cantoniensis hances, 10-20 parts of bamboo juice and 20-30 parts of borneol. The eyesight-improving refreshing fruit tea and the preparation method thereof provided by the invention have the effects of clearing liver and improving vision, refreshing and preventing myopia and the like, no toxic or side effect exists, an absorbing effect is good, the flavor, taste and convenience of a product and the storage property are good, and the eyesight-improving refreshing fruit tea has good competitive advantage in market and good development prospect.

The invention discloses an efficient extraction method and application of sunflower disc volatile oil. The invention belongs to the field of plant extraction. The invention aims to solve the technical problem of low extraction rate of the existing sunflower disc volatile oil extraction process. The method comprises the following steps: drying sunflower discs, crushing and sieving; performing ultrasonic treatment by taking a sodium chloride aqueous solution as an extracting agent; and finally, carrying out water distillation extraction in an extractor to obtain the sunflower disc volatile oil. The obtained sunflower disc volatile oil is used for preparing antioxidant drugs and food antioxidants or treating hyperuricemia. According to the method, the liquid-material ratio and the distillation time are reasonably set, and a proper amount of inorganic salt is added in the extraction process to achieve synergistic interaction, so that the yield of the sunflower disc volatile oil is increased.

The invention provides a specific primer and a probe for detecting DNA of sunflower. The sequence of the probe is as follows: 5'-ACGCTCTCCTCGCCAACAACAA-3'; the specific primer has the following sequences or the complementary chain sequences of the following sequences: the upstream primer sequence: 5'-CAAATAGTCCGCCCACCACAA-3', and the downstream primer sequence: 5'-5'-TGGGAAGGGTTGTCAATGTTC-3'. Theinvention further provides a corresponding real-time fluorescence quantification PCR kit. The specific primer and the probe as well as the corresponding kit can be used for the real-time fluorescencequantification PCR detection, and the established method has high sensitivity and high specificity, and can be used for specifically identifying sunflower oil from various oil crops including peanut,flax, maize, soybean, potato, sesame, oilseed rape, walnut, sunflower, olive and the like.

The invention discloses a light-driven photocatalytic reactor and a preparation method thereof, and belongs to the technical field of novel energy conversion materials. A polymer composite material of the invention is composed of two parts which are both based on poly (N-isopropylacrylamide) hydrogel, reduced graphene oxide and a photocatalyst are respectively added into a hydrogel precursor to prepare two hydrogels, and the two hydrogels are combined to obtain the light-driven photocatalytic reactor. The two hydrogels are respectively used for simulating the neck and the flower disc of a sunflower, so that the light-driven photocatalytic reactor can autonomously phototaxis and always keep the flower disc surface vertical to the incident direction of a light source during illumination. According to the method disclosed by the invention, the energy loss generated under the condition of non-vertical incidence of light rays is reduced, a traditional photocatalysis mode is changed, and the problem that a photocatalyst is not easy to recycle is solved. The method is simple, raw materials are low in price, and the reactor has universality and good commercialization prospects as a universal strategy and can be applied to the field of energy conversion such as photocatalysis.

The invention discloses an aluminum alloy ecological window for an ecological building system, and belongs to the field of aluminum alloy ecological windows. The aluminum alloy ecological window for the ecological building system can realize that green plants are arranged in a balcony surrounded a pair of aluminum alloy windows to facilitate the daily care by workers, meanwhile, the phototropism of sunflowers is simulated, after a photosensitive sensor receives light, a light signal is quickly transmitted to a processing terminal, and the processing terminal controls a low-speed motor body tostart to drive a rotating disk to rotate until the blacking surface of the photosensitive sensor faces sunlight; and for sunflowers, the sensitive back surfaces of flower discs are always back on to the sun while the front surfaces of the flower discs always face the sun, the blacking surface of the photosensitive sensor always faces the sun, and therefore, the direction of vegetation is adjustedtimely so that vegetation can receive the sunlight to the maximum extent, the normal development of the plants is not prone to being affected, and the construction and improvement of ecological buildings are not prone to being affected.

The invention discloses a sunflower mimicry solar power generation system with an irrigation function. The sunflower mimicry solar power generation system comprises a bottom plate, wherein a railing plate is fixedly connected to the end surface of the upper side of the bottom plate, a wall plate is fixedly connected to the end face of the upper side of the bottom plate, a soil layer is arranged between the railing plate and the wall plate, moving condition photographing devices are uniformly arranged in the soil layer, a sun position tracking device is arranged on the upper side of the movingcondition photographing device, a power generation and rainwater collection device is arranged on the upper side of the sun position tracking device, an intelligent irrigation device is arranged on the power generation and rainwater collection device, the intelligent irrigation device treats acid rain and then quantitatively irrigates the soil, the sun position tracking device can be used for positioning the sun, so that the solar panel is over against the sun. According to the invention, when a thief or a destructor moves the equipment, the camera can work in time and persuade and record thethief and the destructor, when the equipment works normally, the camera does not work, and when a worker replaces the equipment, the camera only works for a short time, so that the electric energy isfurther saved.

The invention relates to a plant remediation technology of lead-polluted soil, and in particular relates to an application of melastoma dodecandrum in remediation of lead-polluted soil. The melastoma dodecandrum is planted on the soil containing lead pollutants; lead in the polluted soil is massively absorbed by the root of the melastoma dodecandrum and is transferred to an overground part organ; when the plant grows to the overground part and the biomass is maximum, the overground part organ of the plant is taken away from the polluted soil, so that the aim of removing the lead pollutants from the soil is fulfilled. Because the lead-polluted soil is treated by utilizing the enrichment plant melastoma dodecandrum, the application of the ornamental sunflower has the advantages of low cost and high operability, and has a good effect in prevention of wind erosion and water erosion of the polluted soil; and moreover, the physical and chemical properties of soil cannot be destroyed and secondary pollution is avoided.

The invention discloses a multi-functional fully automatic hydraulic pressure bander, and belongs to the field of agricultural machinery. In accordance with the problems that at current, the hydraulicpressure bander is low in automation degree, and in the binding process, human intervention is needed, the invention designs a dual-cantilever type automatic net winding device, net ropes are fixed by a cantilever, the cantilever is fixed to a large crank, one ends of the net ropes are fixed to a net breaking mechanism, rotation of the large crank drives the net ropes to wind the outer sides of straw square bundles, the firm degree of the straw square bundles is guaranteed through mutual overlying in two opposite winding sides, and through combination of automatic weighing and automatic baling, fully-automatic control is realized. The invention is suitable for straw of crops of corn, wheat, sorghum, sunflowers and the like, has multiple functions and is wide in functions.

The invention discloses an antibiotic-replacing immunity-enhancing sheep fattening efficient feed and a preparation method thereof. The feed comprises 40-50 parts of corn, 4-5 parts of soybean meal, 4.5-6 parts of bran, 2-3 parts of flax cake meal, 5-6 parts of rice chaff, 2.5-4.5 parts of red date powder, 2-3.5 parts of sophora alopecuroide seeds, 12-15 parts of alfalfa, 12-15 parts of Caragana korshinskii, 2-3 parts of sunflowers, 1-8 parts of Chinese wolfberry residues, 5-10 parts of tomato peel, 5-10 parts of pumpkin seed peel, 5-10 parts of pumpkin seed pulp, 1-2 parts of table salt, 1-2 parts of stone powder, 1-2 parts of baking soda, 1-5 parts of trace elements and 1-2 parts of an additive. Traditional conventional sheep feeding raw materials are changed, traditional breeding is changed, and scientific feeding, scientific breeding and efficient production are achieved according to nutrition needed by sheep growth and development. The sheep growth and production are facilitated. Through biological conversion, the production efficiency and benefits are improved, meanwhile, the feeding procedures of farmers are greatly reduced, the production efficiency is improved, huge market requirements and benefits are achieved, the antiviral property of sheep is improved, and the mutton taste is optimized.

The invention relates to a traditional Chinese medicine for treating pneumococcal pneumonia, which is prepared from the following medicinal materials in the weight ratio: 20 parts of auricularia pallium, 16 parts of horizontal sutra mat, 12 parts of ground pinecone, 8 parts of Fengfeng grass, guava tree 15 parts of skin, 10 parts of red beans with fat pods, 12 parts of wild peony, 15 parts of wolfberry grass, 8 parts of rice broken flowers, 8 parts of Artemisia chinensis, 12 parts of butterbur, 15 parts of Buddha sunflower, 12 parts of ginseng , Fumo 12 parts, hibiscus chrysanthemum root 14 parts, big scorpion grass 10 parts, Fusong aconitum 12 parts, euonymus 10 parts, 16 parts of apple. Clinical experiments prove that the present invention can safely and effectively treat pneumococcal pneumonia.

The invention provides an automatic confectionery sunflower harvesting header and a harvester and relates to the technical field of agricultural machinery. The technical problems of complicated structure and high in cost of an existing automatic confectionery sunflower harvester are solved. The device comprises a harvesting unit, trays and a cutter, wherein the harvesting unit comprises a straw separating device including a first helix and a second helix, the first helix and the second helix rotate oppositely, the tray located at an upper-portion corresponding position of the straw separating device, and the cutter is located below the straw separating device. When the harvester moves forward, confectionery sunflower straw enters a gap between every two adjacent trays, the cutter cuts off the straw, the part of straw connected with a confectionery sunflower head is separated from the confectionery sunflower under the effects of matched clamping and downward pulling of the first helix and the second helix, and automatic straw-head separation of confectionery sunflowers is achieved through a simple structure. The automatic confectionery sunflower harvesting header is wide in application range and high in generalization performance and can be matched with an existing combined harvester and a backpack-type confectionery sunflower thresher in use.

The invention discloses a terahertz wave refractive index sensor based on a sunflower type photonic crystal structure. The terahertz wave refractive index sensor comprises a substrate area, a signal input end, a signal output end, an air area and a central sample pool area, wherein the substrate area is composed of polymers; the air area is composed of air holes which are arranged at equal intervals in an annular period in a first layer and a second layer and air holes which are arranged at equal intervals in a central symmetry semi-annular period in a third layer, a fourth layer and a fifth layer, and the central sample pool area is composed of symmetrical air hole sample units; and terahertz waves are input from the signal input end, sequentially pass through the signal input end, the air area and the central sample pool area and are output at the signal output end, and the sensing function of the refractive indexes of different samples in sample pools is achieved through the effectof the photonic crystal structure. The terahertz wave refractive index sensor based on the sunflower type photonic crystal structure has the characteristics of high sensitivity, easiness in processingand the like, and has the advantages of wide application prospect and the like in the fields of biochemistry and the like.

The invention provides specific primers and a probe for detecting flax DNA. A sequence of the probe is shown as 5'-ATGACAATTTTGGACCCGACCTGGT-3'; and the specific primers adopt the following sequencesor complementary chain sequences of the sequences: the sequence of an upstream primer is 5'-CTCCCAATGTTTGCGTATCCTA-3', and the sequence of a downstream primer is 5'-ATATCGACCCGAGTCAACCAAA-3'. The invention also provides a corresponding a real-time fluorescence quantitative PCR kit. The specific primers and the probe as well as the corresponding kit provided by the invention are applicable to real-time fluorescence quantitative PCR detection; an established method is high in sensitivity and specificity; and the specific identification of flax seed oil from various oil crops as peanuts, flax, corns, soybeans, potatoes, sesames, rapes, walnuts, sunflowers, olives, flax and the like can be achieved.

The invention discloses an anti-aging composition of Sunflower and its preparation method and application. The anti-aging composition is mainly prepared by extracting the following Chinese medicinal materials in parts by weight: 30-50 parts of Sunflower, 10-20 parts of Rhodiola, and 1-10 parts of lemon. The anti-aging composition disclosed in the present invention can be used as an active additive in cosmetics to prepare cosmetics with anti-aging effects. Consumer use tests have proved that skin care products added with the above-mentioned anti-aging composition can increase skin moisture content, reduce transepidermal moisture loss, improve skin elasticity, effectively remove facial wrinkles and fine lines, and show good anti-aging effects.

The invention discloses a large sunflower combine harvester. The combine harvester comprises a lifting header assembly, a non-crushing belt conveying assembly, a threshing and cleaning assembly, a non-crushing bucket type lifting assembly, a hydraulic box type storage assembly and a traction driving machine, wherein the traction driving machine comprises a vehicle frame, the lifting header assembly is arranged at the front end of the vehicle frame, the non-crushing belt conveying assembly is arranged on one side of the vehicle frame in a slope shape, one end of the slope bottom of the non-crushing belt conveying assembly corresponds to a material discharging part on one side of the rear end of the lifting header assembly, the threshing and cleaning assembly and the hydraulic box type storage assembly are sequentially arranged at the rear end of the vehicle frame, the bottoms of the threshing and cleaning assembly and the hydraulic box type storage assembly are connected with a wheel type movable traction frame, and the wheel type movable traction frame is detachably connected with the rear end of the vehicle frame. According to the combine harvester, integrated harvesting operations of harvesting, threshing, separating, cleaning and automatic material discharging of sunflowers can be realized, the working breadth is wide, and the working efficiency is high.

The invention discloses a hydraulic walking device of a sunflower harvester. The sunflower harvester comprises a sunflower harvester rack, a hydraulic driving mechanism is fixedly installed at the bottom of the sunflower harvester rack, a part of kinetic energy generated during operation of an engine is used as mechanical energy, a smashing assembly is used in cooperation with high-speed rotation of suction fan blades, and the function of automatically cleaning and removing impurities on the ground after sunflower harvesting can be achieved; by means of high-speed rotation of exhaust fan blades, filtered air in a dust collection box can be controlled to be exhausted from a plurality of air outlet nozzles in an accelerated mode, effective heat dissipation, cooling and cleaning effects on an engine are achieved, stable operation of the engine is guaranteed, and the problem that in the working process of an existing hydraulic walking device of the sunflower picking machine, the working efficiency is high is solved. The problems that in the prior art, kinetic energy generated by an engine is not fully utilized, the kinetic energy generated by the engine cannot be utilized to achieve the function of automatically cleaning and removing impurities on the ground after sunflower harvesting, and effective heat dissipation, cooling and cleaning functions cannot be conducted on the engine are solved.

The invention discloses a plate taking and threshing all-in-one machine for edible sunflowers, and belongs to the field of agricultural machinery. The plate taking and threshing all-in-one machine for the edible sunflowers comprises a rack, a divider, a gearbox, a plate taking device, a stalk cutting device, a threshing device, a conveying device, a transmission system, walking devices and a seed collecting box. The walking devices are installed on the two sides of the rack, the divider is installed at the front end of the right side of the rack, the gearbox is installed at the front end of the left side of the rack and is in transmission with the transmission system through a chain, the seed collecting box is installed behind the gearbox, the conveying device is installed behind the seed collecting box, the plate taking device is installed behind the divider, the stalk cutting device is installed below the rear end of the plate taking device, the threshing device is installed behind the plate taking device, and the conveying device is arranged below the threshing device. The plate taking and threshing all-in-one machine for the edible sunflowers provided by the invention is suitable for harvesting the edible sunflowers, can complete plate taking, threshing, conveying and seed collecting operations at a time, and is low in seed loss.

The invention discloses a satellite radar inversion and fusion method based on machine learning, which includes a training stage and an inversion stage; the training stage includes satellite data and processing: four bands of B08, B10, B13, and B15 of the Sunflower No. 8 geostationary satellite Projection conversion and interpolation to the spatial grid points of 0.02°×0.02°; lightning data and processing; radar data and radar data networking; land use type data and processing; model training. The inversion stage includes: data preprocessing: do the same processing on the Sunflower 8 geostationary satellite data and lightning data obtained in real-time observation as in the training stage, and use the data processed in the training stage for the land use type data; radar data networking: integrate real-time The observed radar base data are networked according to the networking steps in the training phase, and the combined emission rate is calculated; radar echo inversion; satellite radar data fusion.

The invention relates to the technical field of edible sunflower picking, in particular to an edible sunflower grain lifter, an edible sunflower picking frame and an edible sunflower picking table, and the edible sunflower grain lifter comprises a left grain lifter body and a right grain lifter body which are distributed left and right at intervals; the edible sunflower picking frame comprises a left side frame, a right side frame, a cross beam, a left mounting column, a right mounting column and the edible sunflower grain lifter; the edible sunflower picking table comprises a power shaft, a driving device, a left fixing roller, a right fixing roller, a material box, a fixing stand column, a left bottom frame, a left side plate, a left conveying belt, a right bottom frame, a right side plate, a right conveying belt and a check pin. The edible sunflower grain lifter is reasonable and compact in structure and ingenious in conception, the left grain lifter body and the right grain lifterbody are arranged, so that stalks of edible sunflowers are straightened, and sunflower discs are separated from the stalks; and by arranging a material ejection plate, a left material baffle plate anda right material baffle plate, splashing of seeds can be better prevented, losses are reduced, and the characteristics of being efficient, stable and good in sunflower disc integrity are achieved.

The invention relates to the technical field of lamps, in particular to a self-exciting type loop heat pipe sunflower heat dissipation module and a large-power LED tube light. The self-exciting type loop heat pipe sunflower heat dissipation module comprises a heat pipe channel internally provided with closed loop type oscillatory flow heat pipes and sunflower fins arranged on the outer wall of the heat pipe channel. Each oscillatory flow heat pipe comprises a working medium with the boiling point ranging from 55 DEG C to 65 DEG C, a heated end tightly attached to a heating component of a product to be cooled and a condensation end away from the heating component of the product to be cooled, wherein the working medium is arranged in a heat pipe cavity. The heat dissipation module is small in size, high in heat conducting efficiency, low in cost and capable of being well applied to LED lights.

The invention discloses a method for increasing the pollination rate of confectionery sunflower, and relates to the technical field of pollination of confectionery sunflower. The method comprises thefollowing steps of S1, selection of inducer raw materials; S2, preparation of the inducer raw materials; S3, dissolving of powder raw materials; S4, adding of a solvent for dissolving; S5, preparationof an inducer finished product; S6, spraying of a post-flowering inducer. According to the method for increasing the pollination rate of the confectionery sunflower, by adding honey and carmine, a strong attraction effect can be achieved on bees, meanwhile, the honey can attract the bees to achieve an induction effect, and therefore the method has an obvious effect on improving natural pollination and fertilization of the bees on the confectionery sunflower and can remarkably increase the yield of the confectionery sunflower, which does not need the investment of a large amount of funds to purchase pollination equipment. The inducer only needs to be sprayed before and after flowering of the confectionery sunflower, the method is easy and convenient to implement, production cost is saved,labor is saved, efficiency is high, meanwhile, nutrient substances such as borax and urea are added to improve the pollination and fertilization effect of the confectionery sunflower, and therefore the purpose of increasing the pollination rate of the confectionery sunflower is achieved.

The invention relates to a semiautomatic sunflower turning machine. The semiautomatic sunflower turning machine comprises a rack, a sheet positioning device arranged on the rack and a turning device arranged on the rack for turning sheets, wherein the turning device is positioned above the sheet positioning device; the sheet positioning device comprises a positioning molding board arranged on therack for placing the sheet, and a fixing pressing plate detachably connected onto the positioning molding board for fixing the sheet; a plurality of placing slots adaptive to the sheet in shape are formed in the upper end surface of the positioning molding board; processing slots adaptive to the placing slots in shape are correspondingly formed in the fixing pressing plate; and the area of the processing slots is smaller than that of the placing slots. The semiautomatic sunflower turning machine has the effect of improving jewelry processing efficiency.