52results about How to "Easy to pick out" patented technology

The invention discloses a liquid nitrogen container and a cryogenic vial pick-and-place device. The liquid nitrogen container comprises a container body, and further comprises a rotary disc, a cryopreservation frame, a central shaft and a driving assembly, wherein an opening is formed in the container body; the rotary disc is arranged in the container body; the cryopreservation frame is supported by the rotary disc and comprises a plurality of layers of placement faces; the included angle between each placement face layer and the rotary disc is 40-60 degrees; the central shaft is perpendicularly arranged with and fixedly connected with the rotary disc; the driving assembly is electrically connected with the central shaft and used for driving the central shaft to rotate; and the central shaft is used for driving the cryopreservation frame to rotate through the rotary disc to reach the opening of the container body. By adoption of the liquid nitrogen container and the cryogenic vial pick-and-place device, the workload of operating personnel is reduced, the error rate of manual picking of cryogenic vials is lowered, and the potential safety hazard for the operating personnel is avoided. The liquid nitrogen container and the cryogenic vial pick-and-place device are particularly suitable for the work of picking cryogenic vials in a high-capacity biological sample bank, and meet the technical requirement for storage in the high-capacity biological sample bank.

The invention discloses a method for screening lithium batteries with abnormal self discharge. The method comprising the following steps of: fully charging the lithium batteries and standing in parallel; measuring the current between adjacent lithium batteries with an ampere meter; and calculating net inflow current of each lithium battery, and judging whether abnormal self discharge exists according to the magnitude of the net inflow current of the battery. By adopting a simple and rapid method provided by the invention, the batteries with overlarge self charge can be screened before assembling, thereby avoiding adverse influence on the consistency of the whole set of batteries, improving the performance of a battery pack and prolonging the service life of the batteries.

The invention relates to an automatic batten plate splicing machine which comprises a work frame, a feeding device, a pressing wheel buffering device, a gluing device, a sawing device, a one-way pushing device, a plate pushing device, an electrical automatic control system and a main conveying belt. The tail end of the main conveying belt is provided with a limiting mechanism. The pressing wheel buffering device comprises a power mechanism, a moving mechanism and a transmission mechanism. A buffer drives rotating shafts to move vertically through a connecting piece to buffer vertical displacement changes, brought by movement, of rolling pressing wheels. The automatic batten plate splicing machine is reasonable in structure, ingenious in design, capable of conducting discharging conveniently, high in conveying speed and stable; plate splicing and gluing are integrated; a buffering mechanism is arranged so that the service life can be effectively prolonged, and the technical problems that in an existing batten plate splicing machine, discharging is not stable, battens are likely to be stacked, the conveying speed is too low, noise is large, battens need to be glued in advance for standby use, manual work is wasted, and the service life is affected are solved; and the automatic batten plate splicing machine is an important technical innovation for the prior art and has very good market prospects and development space.

The invention discloses a screening method of hidden short-circuit lithium-ion battery cores, comprising the following steps: A. carrying out the half power storage ageing treatment of the battery cores after cleaning seals thereof and screening the battery cores with the unqualified voltage after the half power storage ageing treatment; B. carrying out the full power storage ageing treatment of the battery cores with the qualified voltage and screening the unqualified battery cores after the full power ageing treatment. The screening method makes full use of the advantages of the half power storage and the full power storage and carries out the storage by two times, that is, the half power storage is firstly carried out for a period of time to lead the dispersion of the lithium ions in a graphite negative electrode layer to be more even, thereby reducing the size expansion of the battery cores after the capacity grading and improving the reversible capacity; then the full power storage is further carried out; as the voltage is high during the full power storage, the voltage attenuation of internal micro-short-circuit battery cores is more apparent, and the battery cores are more easily screened out.

The invention discloses a metal process detection device based on automobile parts. The device comprises a bottom plate, a support frame, an ultrasonic detector and an information analyzer, a support groove is formed in the top of the bottom plate, a rotating rod is arranged in the support groove in a penetrating manner, a support box is arranged at the rear end of the support groove, and the support box is fixed at the top of the bottom plate; and the support frame is installed at the top of the support box through bolts, the ultrasonic detector is installed at the top of the support frame, an extendable rod is installed on the inner side of the top of the support frame through bolts, the information analyzer is installed at the top of the support frame, the information analyzer is located on one side of the ultrasonic detector, and a push rod is installed at the top of the support frame in a penetrating mode. According to the device, a marking pen is moved to the position above a part, the pen point of the marking pen makes contact with the part, the marking pen is used for marking the part, a user can conveniently distinguish the intact part from the damaged part through marking, and the device can conveniently pick out the damaged part.

The invention relates to a breeding method of aenasius bambawalei hayat. Germinative potatoes are used for breeding the aenasius bambawalei hayat, which can shorten the preparation time for materialsin the early stage so as to avoid the shortage of host plant materials in the test process. A large amount of space is saved, that is, a large quantity of parasitic wasps can be obtained in the same space. Parasitic stiff scales are very easy to pick so as to avoid the error for the test caused by delayed picking of the aenasius bambawalei hayat. The method is especially suitable for the study ona large quantity of the parasitic wasps or field release of the parasitic wasps to rapidly control phenacoccus solenopsis tinsley.

The invention provides a high-speed wide and thick slab continuous casting mold flux, and belongs to the technical field of continuous casting mold fluxes. The high-speed wide and thick slab continuous casting mold flux comprises the following raw materials: pre-melting materials, soda ash, lithium carbonate, fluorspar, limestone, wollastonite, albite, carbonate manganese, amorphous graphite, carbon black and a dispersant, and is obtained by grinding, mixing, granulation and other processing steps. According to the invention, the high-speed wide and thick slab continuous casting mold flux is uniform in size, bright black and uniform in color, high in strength, difficult to be crushed, excellent in all performances responded in the casting mold, stable and uniform in conducted heat, adaptive to the requirements of continuous change of the speed, and good in lubrication; the problem of uneven inflow is solved; the sticking breakout is avoided; the slab surface has no cracks, dents, bulges, surface-included slag, sticking slag and other phenomena.

The invention relates to a peony root processing device and method and belongs to the technical field of traditional Chinese medicine processing equipment. The peony root processing device comprises acutting part for cutting peony roots in the length direction and a rejecting part for picking out wooden cores of peony roots, wherein the cutting part comprises cutting wheels and support wheels matched with the cutting wheels, and annular blades for splitting epidermis of the peony roots are arranged on the cutting wheels; first annular slots corresponding to the blades on the cutting wheels inposition are formed in the support wheels. By means of strip-shaped cuts, the wooden cores are pulled out of the cuts, and the condition that peony root bark is split by transverse thorns during axial pulling out is avoided; the sharp ends of the peony roots are inserted into gaps between the wooden cores and the peony root bark by means of sharp end structures at the lower part of the cutting part, the wooden cores are picked out of the gap split along the peony root bark, and the inner wall of the peony root bark is not scratched to the greatest extent.

The invention discloses a portable earthworm storage tank for fishing. The portable earthworm storage tank for fishing comprises a tank body made of stainless steel materials, wherein an anti-rust layer is arranged on the inner wall of the tank body, a cavity is formed in the tank body, a cover is arranged on the tank body, a plug opening is formed in the lateral wall of the tank body, and a cylindrical storage plug is arranged in the plug opening. A threaded structure is arranged on the peripheral surface of the storage plug, handle pieces are arranged on two sides of the storage plug and perpendicular to the storage plug, a plurality of grid holes are formed in the storage plug at equal intervals and parallel to the axial direction of the storage plug and communicated with the cavity of the tank body, and the cross section of each grid hole is a rectangle. The portable earthworm storage tank for fishing has an anti-rust function and can cultivate earthworms, the earthworms can be taken out of the storage plug conveniently, and fishing is facilitated.

The invention relates to a method for removing slag from molten steel, which controls the upper clearance of the molten steel tank to be greater than 300 mm when tapping the converter. When the molten steel tank is tilted to the angle of slag removal, first remove the solidified slag shell; then add lime particles into the molten steel tank according to the ratio of lime and slag of 1:3 to 6 and spread evenly; after the lime and steel slag fully react , Scrape out the residual steel slag in the molten steel tank. Due to the chemical reaction between the lime and the high-temperature molten steel, the steel slag is foamed and the volume of the steel slag is increased, and the steel slag can be discharged from the molten steel tank when it is overturned. And in the process of lime melting and reaction, the temperature of the surface layer of steel slag will decrease, which will increase the viscosity of steel slag and make the steel slag easy to remove, thereby reducing the pollution of molten steel by strong oxidizing steel slag on the surface of molten steel, improving the purity of molten steel, and reducing the amount of deoxidizer. consumption and cost expenditure, reduce the workload of deoxidation treatment, increase the speed of slag removal, and reduce labor intensity.

The invention relates to cutting equipment, in particular to aluminum bar equidistant cutting equipment. According to the aluminum bar equidistant cutting equipment, aluminum bars can be automatically cut, and the aluminum bars can be automatically moved. The aluminum bar equidistant cutting equipment comprises a base and a driving mechanism; a workbench is connected to the base, an opening is formed in one side of the workbench, and a cutting mechanism is installed on the workbench; and the driving mechanism is installed on the base, and the driving mechanism is in transmission connection with the cutting mechanism. According to the aluminum bar equidistant cutting equipment, the cutting mechanism can be driven to work through the driving mechanism, the aluminum bars can be cut into aluminum sheets through the cutting mechanism, the aluminum bars can be intermittently pushed to move through a pushing mechanism, and therefore the effects of automatically cutting the aluminum bars and automatically moving the aluminum bars are achieved.

The invention discloses an iron adding process-based medium-high silicon molten iron desilication method, and belongs to the technical field of molten iron pretreatment. The process of adding molten iron into a molten iron ladle by utilizing an iron mixing furnace / vehicle serves as molten iron desilication reaction time in a melting furnace; the potential energy of iron molten serves as stirring power of the melting furnace. A solid oxidizer and a slag-regulating agent in the same proportion as that of the iron flow of the iron mixing furnace / vehicle are added continuously to realize high-efficiency desilication. The method has the advantages that the burden of high-silicon molten iron in converter smelting is lightened; the cost of steel smelting is reduced; moreover, the process is simple; the operability is high; the equipment investment is low; the operating cost is low.

The invention relates to the technical field of glass recovery, and discloses a waste glass recovery device. The device sequentially comprises a cleaning mechanism, a magnetic separation mechanism, astirring mechanism and a material storage box, wherein a corresponding conveying belt is arranged between every two adjacent mechanisms, workbenches are arranged on one sides of the conveying belts correspondingly, each of the magnetic separation mechanism and the stirring mechanism comprises a stirring box, feeding openings are formed in the upper portions of the stirring boxes correspondingly, stirring shafts are rotatably connected in the stirring boxes correspondingly, a plurality of stirring blades are fixed to each of the stirring shafts, driving pieces are fixed to the stirring shafts correspondingly, discharging openings are formed in the bottoms of the stirring boxes correspondingly, electromagnets are fixed to the stirring blades of the magnetic separation mechanism, and the electromagnets are electrically connected with a power supply. According to the device, the structure is simple, ceramic, metal and closed rings in glass fragments can be screened, and impurities such aspackaging paper adhered on the surface of the glass fragments can be removed.

The invention relates to a fungi culture method for the technical field of bioengineering and biology to realize high throughput screening on strains, in particular to a moldfungi suspension culture method by high throughput screening. The method comprises the steps of selecting moldfungi, obtaining bacterial colony, setting a perforated plate culture environment, suspension culturing and the like. Through a simple mode to ensure that the bacterial colony is suspended on the surface of a liquid medium for static culturing, solves the oxygen supply problem of miniature culture, realizes high throughput culturing of the moldfungi, is associated with corresponding high throughput detecting technology to realize high throughput screening, ensures that the culturing process of the strains and the forming process of spore are combined into a whole, and further shortens the flow of strain breeding to achieve the aims of high yield strains and high throughput screening. The method has simple operation and high efficiency.

The invention discloses a holothurian culture ship and relates to the technical field of holothurian culture ship equipment. According to the technical scheme, the holothurian culture ship comprises a ship body and a plurality of bases arranged on the ship body, traction mechanisms are arranged on the bases, and the traction mechanisms are connected with a plurality of culture net cages in a hanging mode; each culture net cage comprises an annular frame and a plurality of concave mesh fixing frames arranged in the annular frame, and meshes are inserted into the mesh fixing frames. The holothurian culture ship has the advantages that the culture net cages are combined with the ship body, lifting of the culture net cages is controlled through the traction mechanisms, and the culture net cages sink by a certain depth through the traction mechanisms when the ship encounters heavy storm waves; a plurality of mesh fixing frames are arranged in the annular frames, the number of meshes and the intervals between the meshes can be adjusted according to needs, the space in the cages is fully utilized, breeding benefits are improved, mesh cloth can be regularly replaced by a mesh cloth repairing mechanism or the mesh cloth can be repaired when the mesh cloth is damaged, and use safety is guaranteed.

The invention relates to the technical field of carton packaging machinery, and discloses an auxiliary empty package detection device of a carton packaging machine. The device comprises a rotating roller shaft and further comprises a detection assembly, a marking assembly, an equipment shell, an elastic cushion block, a moving contact and an alarm, wherein the detection assembly is fixedly connected into the rotating roller shaft, the marking assembly is fixedly connected into the rotating roller shaft, and the equipment shell is fixedly connected to the outer side of the rotating roller shaft. According to the auxiliary empty package detection device for the carton packaging machine, if a magnet push block is ejected out, a dielectric plate is separated from a positive plate and a negative plate, an alarm gives an alarm, meanwhile, a magnetostriction shaft is shortened, the included angle between two hinged supporting shafts becomes smaller, a squeezing block is driven to squeeze a liquid storage bag, the liquid storage bag is filled with colored marking liquid, after the liquid storage bag is squeezed through the squeezing block, the colored marking liquid is squeezed out, an empty package box is marked, and workers can conveniently pick out empty packages.

The invention discloses a thick film heating tube anti-local-dry-burning structure and method. The thick film heating tube anti-local-dry-burning structure comprises a controller, a metal base material tube body, a heating body and an insulation layer arranged between the heating body and the metal base material tube body, wherein the controller is electrically connected with the metal base material tube body and the heating body. The thick film heating tube anti-local-dry-burning method comprises the following steps: a) the controller collects passing-through current of the insulation layer; b) the controller carries out processing and analysis on the current signal and judges the temperature of the insulation layer, the value of current passing through the insulation layer being matched with the temperature of the insulation layer, the larger the current value being, the higher the temperature of the insulation layer being; and c) when the temperature of the insulation layer is larger than 300 degrees, the controller stops supplying power for the heating body. The anti-local-dry-burning structure and method can quickly and conveniently detect whether the local-dry-burning problem exists, thereby, on one hand, facilitating picking out unqualified products during production, and on the other hand, ensuring safety of a user effectively.

The present invention relates to a portable environment-protecting sanitary health-care safety and convenient toothpick. Said toothpick is made into the form of wave, and is made up by using environment-protecting health-care metal as main material through a certain production process. Said wave-shaped metal toothpick can be repeatedly used. Besides, said invention also provides a toothpick sleeve for holding said toothpick. Said toothpick sleeve can be made into the form of bottle gourd or alabastrum.

The invention discloses a sealing device for button cells. The sealing device comprises a rack, a conveyor belt with a protective cover plate is arranged on the rack, a discharging support plate is obliquely arranged at the front end of the conveyor belt, and the conveyor belt is divided into a plurality of segments which can be communicated with one another; one side of each conveyor belt segment is provided with an air cylinder, the other side of each conveyor belt segment is provided with a cell outlet, the ends of the cell outlets are connected to feeding support plates, and the bottom end of each feeding support plate is provided with two cell rotating discs with the opposite rotating directions, wherein the upper ends and the lower ends of the two cell rotating discs are each provided with an inductor, a cell guide groove is formed under each cell rotating disc, and the bottom ends of the two cell guide grooves are both connected to a feed inlet of a sealing machine. According to the device, multiple sealing machines are connected to one conveyor belt, the defects of an existing manual operation mode are overcome, the production efficiency is high, and the human resource cost is low; in addition, by conducting operation mechanically in a production line mode, little workload is needed, resource waste is reduced, the economic benefit of an enterprise is increased, the practicability is good, and the sealing device is worthy of wide popularization.

The invention discloses an automatic pheasant raising system in the technical field of pheasant raising. The system comprises coops, a feeding field, excrement removal devices, water supply devices, egg picking devices, lighting devices and a control device. The excrement removal devices are mounted below the coops, the water supply devices are mounted on one sides of the coops, the lighting devices are mounted at the top ends of the coops, the multiple egg picking devices and the multiple coops are uniformly distributed in the feeding field, the excrement removal devices, the lighting devicesand the water supply devices are in one-to-one correspondence to the coops correspondingly, and the egg picking devices, the lighting devices and the water supply devices are electrically connected with the control device. The coops are used as rest fields of pheasants, the feeding field is used for feeding the pheasants, the excrement removal devices are used for removal chicken excrement in thecoops, the water supply devices are used for supplying water to the pheasants in the coops, and the egg picking devices are used for allowing poultry feeders to pick eggs. Users can conveniently supply water and light to young pheasants, and the situation that the pheasants peck and break the eggs is reduced.

The invention relates to an automatic wooden strip puzzle machine, which includes a working frame, a feeding device, a pressure wheel buffer device, a gluing device, a sawing device, a one-way propulsion device, a pushing board device, an electrical automation control system and a main conveyor belt , the end of the main conveyor belt is provided with a limit mechanism, and the pressure wheel buffer device includes a power mechanism, a motion mechanism and a transmission mechanism. The buffer drives the rotating shaft to move up and down through the connecting piece, and buffers the vertical displacement change of the rolling pressure wheel due to the movement. The invention has reasonable structure, ingenious design, convenient blanking, fast and stable conveying speed, integration of splicing and gluing, a buffer mechanism, effectively prolonging the service life, and solving the problem of unstable unloading of the existing wooden lath splicing machine, which is easy There are wooden sticks piled up, the speed is too slow when conveying, the noise is loud, and the wooden sticks need to be glued in advance, which wastes labor and affects the service life. Compared with the existing technology, it is a major technological innovation and has a good effect. Market prospect and development space.

The invention discloses an energy-saving adjustable cooling water pipe of a machine for making thin sheets of bean curd, and relates to the technical field of food processing. The energy-saving adjustable cooling water pipe of the machine for making the thin sheets of bean curd comprises a base, wherein a controller is fixedly connected to the front surface of the base, supporting columns are fixedly connected to two sides of the upper surface of the base, a top plate is fixedly connected to the top ends of the supporting columns, a driver is fixedly connected to one side of the upper surfaceof the top plate, a plurality of sleeves are fixedly connected to the side, close to the driver, of the upper surface of the top plate, a driving rod is installed inside the driver, and driven rods are connected to the interiors of the sleeves in a sliding mode. According to the energy-saving adjustable cooling water pipe of the machine for making the thin sheets of bean curd, a cooling pipe can slide along a containing box under the driving of a first electric telescopic rod, so that a user can conveniently adjust a cooling portion according to needs; meanwhile, through a first limiting rod,the stability of the cooling pipe during sliding can be kept; and meanwhile, a water inlet pipe is connected with an external cold water supply device and a hot water supply device, so that the user can conveniently change the cooling pipe according to needs.

The invention provides a control method of a clothes processing device, a clothes containing device and the clothes processing device.The clothes processing device comprises the clothes containing device suitable for containing clothes to be washed, and the control method of the clothes processing device comprises the following steps that at least one piece of parameter information of the clothes to be washed is obtained; the to-be-washed objects are classified according to the parameter information, the number ratio and / or the weight ratio and / or the volume ratio of the to-be-washed objects are / is calculated, and washing suggestions are generated and sent according to the calculation result. Compared with manual classification of a user, intelligent classification is achieved, classification is more reasonable, more accurate and more efficient, the number ratio and / or the weight ratio and / or the volume ratio of all kinds of to-be-washed clothes are / is calculated, washing suggestions are generated and sent according to the calculation result, the user can conveniently know the specific conditions of the to-be-washed clothes, the purpose of classified cleaning is achieved, and the user experience is improved. And the user can conveniently select a more appropriate washing program under the washing suggestion, so that the washing effect is ensured, and the use experience of the product is improved.

The invention discloses a preparation method of a low-expansion low-temperature environment-friendly glass glaze. The preparation method comprises the following steps: (1) material preparing: (2) mixing grinding: carrying out dry ball milling for 6 H; (3) frit firing: putting the ball-milled material obtained in the step (2) into a frit furnace, melting at a melting temperature of 1000-1050 DEG C,keeping the temperature for 20 minutes, and performing water quenching; (4) glass powder preparing: drying; (5) glaze preparing: mixing 60 wt% of the glass powder obtained in the step (4) and 40 wt%of an organic carrier, and performing ball milling on the mixture of the glass powder and the organic carrier for 2 H; (6) printing; (7) glaze firing; and (8) appearance detecting. According to the invention, with the preparation method, the glass glaze can be stably placed at a certain temperature, the stability of the whole glass glaze is improved, the environment is not polluted in the preparation process of the glass glaze, the environmental protection performance of the glass glaze is improved, the quality of the whole glass glaze is further improved, the unqualified glass glaze is conveniently picked out, the defective product rate of the whole glass glaze production is reduced, and the market value is good.

The invention discloses a multifunctional sorting machine for logistics. The multifunctional sorting machine comprises a box body and a connecting bottom frame, wherein a main sorting frame is connected to the inner wall of the box body through bolts, a fixing frame is welded to the outer wall of one side of the main sorting frame, air cylinders are connected to the two sides of the inner wall of the fixing frame through bolts, a piston rod of each air cylinder is connected with an object pushing plate through a key and a key groove, a discharging frame is connected to the outer wall of the side, away from the fixing frame, of the main sorting frame through bolts, rotating rods are movably connected to the inner wall of the discharging frame through bearings at equal intervals, hydraulic cylinders are connected to the four corners of the outer wall of the top of the connecting bottom frame through bolts, secondary sorting frames are welded to the tops of hydraulic rods of the hydraulic cylinders, motors are connected to one side of the main sorting frame, one side of each secondary sorting frame and one side of the connecting bottom frame through bolts, and output shafts of the motors are connected with main rotating rollers through couplings. According to the multifunctional sorting machine for logistics, the piston rods of the air cylinders push the object pushing plates to push different objects to the discharging frame, and the objects make contact with the rotating rods, so that the objects rapidly fall down to be sorted.

The invention discloses a high-efficiency waste slag digging-conveying integrated device for steelmaking in a metallurgical plant, relates to the technical field of steelmaking, and aims to solve theproblem of inconvenience in cleaning waste slag after finishing of steelmaking in the existing metallurgical plant. According to the proposed scheme, the high-efficiency waste slag digging-conveying integrated device comprises a movable box, wherein a storage box is arranged inside the movable box in a sliding way; a crushing device is arranged inside the storage box; a movable plate is arranged at a top end of the storage box in a sliding way; two symmetrically-distributed mounting bases are fixedly arranged on one side of a top end of the movable plate; a first hydraulic rod is fixedly arranged on the mounting bases; and the side close to the mounting base of the top end of the movable plate is hinged with a first slag digging plate. Through the adoption of the high-efficiency waste slagdigging-conveying integrated device, the waste slag inside a melting furnace can be directly dug into the waste slag storage box easily, and the slag digging procedure is omitted. Meanwhile, the waste slag adhering to a bottom end of the slag digging plate can be scrapped in the slag digging process, so that the slag digging efficiency of the device can be effectively improved. The high-efficiency waste slag digging-conveying integrated device is suitable for popularization.

The invention relates to the technical field of glass recycling, and discloses a waste glass recycling device, which sequentially includes a cleaning mechanism, a magnetic separation mechanism, a stirring mechanism and a storage box; a conveyor belt is arranged between two adjacent mechanisms, and a conveyor belt is arranged on one side of the conveyor belt. The workbench; the magnetic separation mechanism and the stirring mechanism both include a stirring box, the upper part of the stirring box is provided with a feeding port, and a stirring shaft is rotatably connected in the stirring box, and a number of stirring blades are fixed on the stirring shaft, and a driving part is fixed on the stirring shaft. The bottom of the stirring box is provided with a discharge port; the stirring blade of the magnetic separation mechanism is fixed with an electromagnet, and the electromagnet is electrically connected with a power supply. The invention has a simple structure, can screen ceramics, metals and closed rings in the glass shards, and can remove impurities such as packaging paper adhered to the surface of the glass shards.

The invention discloses an anti-blocking punching device. The anti-blocking punching device comprises a central drill and a punching pillar sleeve, wherein the central drill and the punching pillar sleeve are fixedly connected; the central drill and the punching pillar sleeve are concentric; a sawing edge of the punching pillar sleeve is wavy; the distance between adjacent wave peaks is 1 / 3 to 1 / 2of the circumference of the punching pillar sleeve; and sawteeth are arranged on the sawing edge. The anti-blocking punching device has the beneficial effects that punching resistance is low, breakage caused by blocking can be prevented, and residues are convenient to clean.

The invention provides a shrimp egg in-vitro incubation device and a using method thereof. The shrimp egg in-vitro incubation device comprises a rack, an upper water tank, a lower water tank, net bags, a bucket and a submersible pump, the two ends of the lower water tank are communicated with a water inlet and a water outlet respectively, and the upper water tank is nested in the lower water tankand horizontally and linearly moves back and forth at a fixed frequency in the lower water tank; the net bags are fixedly nested on the bottom face of the upper water tank in a matrix arrangement manner and located in a gap between the bottom of the upper water tank and the bottom face of the lower water tank, the bucket is fixedly installed at one end of the rack, a bucket opening is located under the water outlet, and the submersible pump is fixedly arranged in the bucket and communicated with the water inlet; and the upper water tank is arranged to horizontally and linearly move back and forth in the lower water tank in a reciprocating manner at the set amplitude and frequency, the swing action of appendages in the female shrimp incubation process can be scientifically simulated, shrimpegg death caused by oxygen deficit is effectively prevented, the net bags are arranged in the upper water tank in the matrix manner, and newly-incubated shrimp eggs can be conveniently collected andmanaged in a classified manner.