97results about How to "Prevent bridging" patented technology

The invention discloses a glass substrate and a manufacturing method thereof, and relates to the technical field of semiconductor packaging. The manufacturing method of the glass substrate comprises the following steps: opening a hole in a glass core plate, forming a first seed layer, forming a first mask, metalizing a through hole, removing the first mask and the first seed layer covered by the first mask, plugging the hole and forming a first resin layer, forming a second seed layer, forming a second mask, and forming an inner circuit layer, forming a through hole in the second resin layer on the first surface and the second surface; forming a third seed layer; forming a third mask; forming a circuit layer; and repeating the steps from forming the second resin layer to removing the third mask and the third seed layer covered by the third mask at least once, manufacturing the solder mask and performing ball planting so as to reduce the warping of the substrate and improve the reliability of the substrate.

The utility model provides a polishing sand feeding mechanism of a sand blasting and polishing machine, belongs to the technical field of sand blasting and polishing machines, and aims to solve the problem that the mixing efficiency of the sand is influenced as the conventional sand is easy to agglomerate with a solution. Comprising a liquid distribution cylinder, a sand inlet pipe, a liquid inlet pipe, a discharging pipe, a hybrid driving motor, a stirring shaft, a filtering piece, a stirring and mixing mechanism and a distribution anti-blocking mechanism, the sand inlet pipe is fixedly connected to the upper part of the liquid distribution cylinder; the hybrid driving motor is fixedly connected to the lower part of the liquid distribution cylinder; the stirring shaft is rotationally connected to the interior of the liquid distribution cylinder, and the stirring shaft is coaxially and fixedly connected to the upper end of a rotating shaft of the hybrid drive motor; the filter part is arranged at the upper end of the interior of the liquid distribution cylinder and is of a conical filter screen structure; the stirring and mixing mechanism is arranged in the liquid distribution cylinder; and the distribution anti-blocking mechanism is arranged at the upper end of the stirring shaft, so that full mixing of sand and a solution is ensured, caking of the sand is reduced, and uniform mixing of the sand and the solution is ensured.

The invention discloses a composite material T-shaped stiffened wallboard co-bonding forming method capable of eliminating edge wrinkles, and the method comprises the following steps: co-bonding of a T-shaped stringer and a stiffened skin wallboard, bag making and vacuumizing, hot pressing and curing, and demolding. Edge wrinkles of the T-shaped stringer on the stiffened skin wallboard are effectively eliminated, vacuum hot-pressing curing forming is adopted, the curing pressure in the T-shaped stringer forming process is more uniform, and the risk of wrinkles of the skin gluing face of the T-shaped stringer and the stiffened skin wallboard is reduced. According to the T-shaped stringer, uniform conduction of tank pressure is facilitated, heat transfer in the curing process is more uniform, and the internal quality of the T-shaped stringer made of the composite material is easy to guarantee, so that the thickness of the T-shaped stringer made of the composite material is not affected while the internal quality of the T-shaped stringer is not affected, the manufacturing cost of the T-shaped stringer made of the composite material is reduced, and the manufacturing process is simplified.

The invention provides an optical proximity pre-correction method and device, a medium, a program product and a terminal, and the method comprises the steps: obtaining one or more layers of to-be-corrected layouts, extracting corresponding graphic parameters and anchor point parameters, and carrying out the pre-correction of graphic elements in each layer of periodic graphs with bridging risks, so as to generate a pre-corrected layout. According to the invention, the bridging phenomenon is effectively avoided, and the integrity of wafer patterns and the normal circuit function are ensured; meanwhile, OPC correction efficiency is improved, optical proximity effect compensation is optimized, time and resources needed by correction are remarkably reduced, and production efficiency is improved; in addition, a process window is expanded, the correction precision and stability are improved, and the defect rate is reduced; and the quality of a final product is improved while the process risk is reduced.

An electronic package and a manufacturing method thereof are provided, mainly an electronic component stacking structure is arranged on a bearing structure to integrate a plurality of chips in a single package, so that the electronic package can meet the requirement of miniaturization without increasing the layout area of the bearing structure.

The utility model provides A-grade polyurethane fireproof thermal insulation material production equipment which comprises a component A feeding tank, a component B feeding tank, a solid flame retardant feeding tank, a solid-liquid mixing tank and a material distribution forming device, and the component A feeding tank and the component B feeding tank are connected with a liquid feeding port of the solid-liquid mixing tank through a liquid feeding device. The solid flame retardant feeding tank is connected with a solid feeding port of the solid-liquid mixing tank through the solid feeding device, a discharging port of the solid-liquid mixing tank is connected with the material distributing and forming device through a discharging pipe, a push type stirrer is installed in the solid-liquid mixing tank, the solid feeding device comprises a bridging crusher and a spiral feeder, and the spiral feeder is connected with the discharging port of the solid-liquid mixing tank. And two ends of the bridging crusher are respectively connected with a discharge port of the solid flame retardant feeding tank and a feed port of the spiral feeder. According to the utility model, the layering phenomenon and the bridging phenomenon of solid materials are solved, mixing, conveying and material distribution of liquid and solid are carried out at the same time, and continuous production of the materials is realized.

The utility model belongs to the technical field of dredging equipment, and particularly relates to a dredging assembly, a feeding device and a stirring system.The dredging assembly comprises a barrel, an air inlet unit and an air outlet unit; wherein a gas storage chamber is formed in the cylinder body; the gas inlet unit is communicated with the gas storage chamber, and the gas discharging unit is communicated with the gas storage chamber; the air inlet unit is suitable for inflating the air storage chamber; the deflation unit is suitable for opening the gas storage chamber, so that gas in the gas storage chamber forms gas flow to be blown out; according to the utility model, the cylinder body and the blanking pipeline are mounted, and the air inlet unit is matched with the deflation unit to purge the blanking pipeline, so that main powder is prevented from being left and accumulated in the blanking pipeline and the reversing valve after blanking is finished, the blanking precision is improved, the blanking time is shortened, the material scrapping is reduced, and the production efficiency is improved. Air flow is used for applying pressure to the interior of the blanking pipeline to blow away residual powder, automatic and rapid inflation can be achieved, simplicity, convenience and rapidness are achieved, and the blanking pipeline is easily dredged through high air pressure to prevent material bridging.

The invention relates to the technical field of component packaging, in particular to a multi-component SMT mounting method based on RDL rewiring, a product and electronic equipment, and the method comprises the following steps: S1, selecting a to-be-mounted component, the component group comprising a first component and a second component; s2, mounting a chip, an independent component and a first component in the component group on the initial bonding pad, and then carrying out first plastic package to obtain an initial component; s3, drilling holes in the bonding pad positions, where the components are not attached, of the preliminary product, and then performing metal deposition and filling at the drilling positions for electrical connection to obtain an intermediate device with a lead-out copper column; s4, performing RDL rewiring on the surface of the plastic package body of the lead-out copper column of the intermediate device; and S5, welding a second component, and performing plastic packaging to obtain a finished product device. According to the invention, while the original size of the product is not changed, the welding requirements of a plurality of components are met, and bridging among the components due to insufficient space is avoided.

The utility model relates to the technical field of food processing equipment, and discloses an impurity removing device in a flour processing process, which comprises a stirring mechanism, a blanking mechanism is arranged at the lower part of the stirring mechanism, the lower part of the blanking mechanism is connected to the right side of an impurity removing mechanism through a rubber connecting pipe, and the lower part of the impurity removing mechanism is arranged at the upper part of a supporting mechanism; vibration motors are arranged in the middles of the front side and the rear side of the impurity removing mechanism, the left end and the right end of the second shaft rod are rotationally connected to the middle of the impurity removing pipe, the middle of the auger piece is fixedly connected to the periphery of the second shaft rod, and the slag discharging opening is formed in the left side of the impurity removing pipe. According to the impurity removing device in the flour processing process, the first speed reducing motor drives the first shaft rod to rotate, flour in the material tank is stirred to be loose through the stirring blades, the bridging phenomenon caused by caking of the flour is prevented, discharging is convenient, meanwhile, the discharging impeller is driven by the servo motor to rotate, the discharging speed of the flour is controlled, and the discharging efficiency is improved. The flour is prevented from being accumulated in the impurity removal pipe, so that the impurity removal effect is improved.

The invention discloses a screw rod extruder for producing flame-retardant master batches, and belongs to the technical field of extruders, the screw rod extruder comprises a screw rod extruder main body, the upper part of the screw rod extruder main body is fixedly connected with a square pipe, the upper part of the square pipe is fixedly connected with a blanking pipe, the upper side of the blanking pipe is provided with a conical barrel hopper, and the bottom of the conical barrel hopper is provided with a blanking port; a sealing cover is fixedly connected to the upper portion of the conical barrel hopper, a feeding port is formed in the sealing cover, a conical valve assembly is movably connected into the discharging port in a sealed mode, an electric push rod is fixedly connected to the center of the upper portion of the sealing cover, and the output end of the electric push rod movably penetrates through the sealing cover and is connected with the conical valve assembly. When the conical valve assembly ascends to open the discharging port and discharges powder, after the conical valve assembly moves by a certain distance and stops moving, the upper portion of the conical valve assembly can continue to ascend, the powder can be fully discharged, and the phenomenon that the discharging port is blocked or bridged due to the fact that the powder is compacted is avoided.

The utility model relates to nylon production granulating technology field, concretely relates to a granulator for nylon production, include: cutting table, conveying mechanism, cutting mechanism are installed on cutting table in turn along material flow direction, the utility model discloses a kind of granulator for new nylon production, by setting dredging component, by the directional airflow injection of rotary nozzle, in roll cutter operating area construction local cooling field, effectively eliminate the residual thermal stress inside particle, avoid the melting bonding phenomenon between particles due to thermoplastic material characteristics, simultaneously, during the rotation of rotating rod, the abutting block cam structure configured to its surface and the protrusion of the bottom of shaking plate occur periodic contact, the reciprocating vibration of shaking plate is realized by cam-spring composite mechanism, the vibration effect makes the nylon particles accumulated on the surface of shaking plate obtain initial kinetic energy, under the coupling action of gravity and vibration, along the orderly flow of the surface of pre-set inclination angle, effectively prevent bridging and adhesion phenomenon of particle in the process of collecting material.

The present invention relates to a display device and a method for preparing the same. The display device comprises a substrate, a patterned first electrode layer, a first encapsulation layer, a dam layer, a light-emitting functional layer and a second electrode layer. The first encapsulation layer is arranged on the substrate, the first encapsulation layer defines a pixel pit, the pixel pit exposes the first electrode layer, the light-emitting functional layer is arranged in the pixel pit defined by the first encapsulation layer, so that the first encapsulation layer can better protect the light-emitting functional layer from water vapor intrusion, the dam layer defines a plurality of deposition areas to avoid bridging of inks of different colors, and the dam layer can be prepared by using a commonly used dam material, so that the dam layer can be quickly prepared.

The invention relates to a semiconductor device and a method for manufacturing the same. A semiconductor device includes: a lower structure; a plurality of horizontal layers horizontally oriented above the substructure; a first conductive line commonly coupled to a first end of the horizontal layer and extending in a direction perpendicular to the lower structure; a plurality of second conductive lines crossing the horizontal layers, respectively; a plurality of data storage elements respectively coupled to second ends of the horizontal layers and stacked in a direction perpendicular to the lower structure; a capping layer disposed between the second conductive line and the first conductive line; and a barrier layer disposed between the capping layer and the first conductive line.

The utility model relates to laser cladding technical field especially relates to a kind of metal powder feeding equipment for laser cladding.The technical problem that the pressure difference between powder cylinder and the container of the powder to be added exists, can lead to airflow channeling, cause powder spraying or powder pulsation, seriously destroy the stability and symmetry of powder flow.A kind of metal powder feeding equipment for laser cladding, including powder cylinder, the upper side of powder cylinder is equipped with cover plate, powder cylinder and cover plate cooperation form powder storage cavity, cover plate is embedded with feed pipe, the downside of powder cylinder is provided with discharge port, the middle part in powder cylinder is equipped with cone one, cover plate is rotatably connected with cone two, cone one and cone two are respectively provided with evenly distributed unloading hole one and unloading hole two.The utility model only opens powder passage when the pressure of upper chamber and lower chamber is consistent, avoids the powder being blown by high-speed airflow due to pressure difference, and simultaneously from powder addition to powder transfer end, powder is always under inert gas protection.

This utility model belongs to the technical field of three-dimensional dryers, and discloses a storage structure for a detachable three-dimensional dryer. It includes a storage hopper with an open top, and a long, narrow discharge port at the bottom of the hopper. Below the discharge port, the hopper has a material dispersing mechanism, which includes a material dispersing frame mounted directly below the discharge port via a positioning frame. The material dispersing frame has inclined ramps on both sides. Multiple horizontally arranged support frames are provided on the outside of the hopper, with positioning seats at the ends. Corresponding supports are provided on the inner wall of the three-dimensional dryer, and the positioning seats are fixed to the supports with bolts. An anti-bridging mechanism is also provided inside the hopper. This utility model ensures sufficient contact between the material and the hot air inside the three-dimensional dryer, resulting in better drying effect, improved heat utilization of the hot air, and reduced energy consumption.

The utility model provides a fertilizer applicator for rice breeding, which belongs to the technical field of rice breeding and comprises a charging barrel fixedly connected to a base. The spacing plate is arranged in the charging barrel; at least one blanking hole is formed in the spacing plate; the number of the material blocking blocks is the same as that of the discharging holes, and the positions of the material blocking blocks correspond to the positions of the discharging holes. The through hole is formed in the charging barrel and located below the partition plate. The moving mechanism is arranged between the discharging hole and the material blocking block. The discharging mechanism is arranged in the charging barrel, and the position of the discharging mechanism corresponds to that of the through hole; the loading barrel is divided into two parts through the partition plate, the discharging hole is formed in the partition plate, the material blocking block is arranged at the position of the discharging hole, the moving mechanism can be used for driving the material blocking block to move, then the gap size of the discharging hole can be changed, and therefore the amount of fertilizer flowing out of the discharging hole can be changed; further, the fertilizer can be changed according to the fertilizer application amount required by rice.

The utility model relates to the technical field of bag type dust collectors, and discloses a dust discharging device of a bag type dust collector, the dust discharging device comprises a dust hopper, the top of the dust hopper is fixedly provided with a fixing plate, the bottom of the fixing plate is rotatably provided with a first rotating shaft, and the top of the fixing plate is fixedly provided with a first motor; the output end of the first motor is in transmission connection with the first rotating shaft, two elastic connecting assemblies are arranged on one side of the first rotating shaft, and a scraping plate is fixedly installed at the ends, away from the first rotating shaft, of the two elastic connecting assemblies. Through the scraping plate, dust adhering to the inner wall of the dust hopper due to moisture can be scraped off in time, so that the inner wall of the dust hopper is kept smooth, the bridging phenomenon caused by dust accumulation is prevented, it is ensured that dust discharging work can be normally conducted, the maintenance cost of equipment can be reduced, the service life of the equipment can be prolonged, and potential safety hazards caused by dust accumulation can be reduced; and after the dust reaches a specified amount, the dust can be overturned out of the dust discharging opening.

This disclosure relates to a semiconductor packaging apparatus and a method for manufacturing the same. The semiconductor packaging apparatus includes: a first circuit layer with a first conductive element disposed on its surface; a second circuit layer with a second conductive element disposed on its surface; the first conductive element and the second conductive element are electrically connected via at least two connecting lines. This semiconductor packaging apparatus effectively avoids problems of electrical connection disconnection and bridging between adjacent conductive elements, effectively reducing the risk of electrical connection failure between circuit layers and thus improving product yield.

The application relates to the technical field of valves, in particular to a high-temperature material flow regulating device and a control method thereof, which comprises a device body, a spring hanger fixed on the device body, an inlet and return water system, a control system, a monitoring device and a connecting pipe fixed on a discharge port of the device body. The device is aimed at the problems of poor linearity of traditional gate valves and flap valves, insufficient precision of manual regulation and open-loop control, realizes linear regulation of high-temperature material flow through the curved surface fitting design of a valve head and a valve seat, completely solves the disadvantages of small opening sensitivity and large opening sluggishness, accurately adapts to trace regulation requirements, relies on the monitoring device to collect material level and temperature signals in real time, constructs a closed-loop control through a PLC control system, automatically drives an electric actuator to adjust the position of a valve rod, does not need manual intervention, avoids human judgment errors, eliminates high-temperature scene operation safety hazards, greatly improves flow control precision and stability, and solves the problem of instability of a traditional control loop.

The utility model relates to the technical field of permanent magnet iron removers, in particular to a box type permanent magnet iron remover convenient to clean. Comprising a box-type permanent magnet iron remover body, the box-type permanent magnet iron remover body is divided into an adsorption box and a dust cover, the dust cover is fixedly arranged on one side of the adsorption box, the upper end and the lower end of the adsorption box are provided with a feeding port and a discharging port facilitating feeding and discharging of materials respectively, and the bottom end of the dust cover is provided with a dust discharging port facilitating dust discharging. A plurality of groups of magnetic bars for adsorbing metal foreign matters are movably inserted into the adsorption box in a penetrating manner, and a cleaning mechanism for cleaning the metal foreign matters on the surfaces of the magnetic bars is arranged in the box type permanent magnet iron remover main body. According to the box type permanent magnet iron remover convenient to clean, metal foreign matters adsorbed on the multiple groups of magnetic bars are regularly cleaned in batches through the design of the cleaning mechanism, and the phenomenon of bridging or blocking of materials is avoided through the design of the vibration assembly.

The utility model relates to the technical field of molecular sieves, and provides a forming extrusion device for processing a carbon molecular sieve, which comprises a support table and an extrusion sleeve arranged on the support table, an extrusion screw rod for conveying raw materials is rotatably mounted in the extrusion sleeve, and a feed hopper for feeding the raw materials is arranged on the extrusion sleeve. A driving assembly used for driving the extrusion screw to rotate is arranged on the supporting table, an extrusion mold is arranged at one end of the extrusion sleeve, a splicing mechanism used for splicing is arranged on the extrusion mold, the splicing mechanism comprises a rotary knob arranged at one end of the extrusion mold, and a threaded sleeve fixedly connected with the rotary knob is installed at one end of the extrusion mold in a threaded mode; a sliding groove is formed in the threaded sleeve. According to the utility model, through the arrangement of the assembly mechanism, the extrusion dies with different specifications can be replaced as required, the assembly mode is simpler, the time consumed during assembly and disassembly is less, and the replacement efficiency of the extrusion dies is conveniently improved.

The present application discloses a dust removal device for a boiler in a thermal power plant, including a ventilation chamber, the front end of the ventilation chamber is connected to an air inlet duct, the rear end of the ventilation chamber is connected to an exhaust duct, the bottom of the ventilation chamber is connected to an ash collecting funnel, and an ash discharge mechanism is arranged at the bottom of the ash collecting funnel; a cathode joint and an anode joint are arranged at the top of the ventilation chamber, the anode joint is electrically connected to an anode plate, the cathode joint is electrically connected to a cathode rod, the anode plate array is arranged in the ventilation chamber, and the gap between the anode plates is parallel to the air inlet duct and the exhaust duct; an anode rapping mechanism is arranged at the bottom of the anode plate, and a cathode rapping mechanism is arranged at the top of the cathode rod. The beneficial effects of this scheme can be known from the description of the above scheme, the structure is simple, the design is reasonable, when the cathode rod is rapped, the cathode rod is swung horizontally, so that the dust flakes are sufficiently efficient to fall off; the rapping of the anode plate ensures that the rapping of different anode plates is uniform; the rods of the anti-bridging mechanism form a grid, so that dust falls in small clumps.

The utility model relates to the technical field of fireproof and waterproof plugging material production, in particular to an anti-blocking mechanism of a fireproof and waterproof plugging material production filling machine, which comprises a material storage barrel and a material cup connected to the lower end face of the material storage barrel in a penetrating manner, an eccentric shaft is fixedly connected to the left side of the lower end face of the eccentric disc, a plurality of dredging rods are fixedly connected to the left side of the outer wall of the eccentric shaft, and a connecting block is fixedly connected to the right side of the outer wall of the eccentric shaft. A plurality of dredging rods are driven to do eccentric rotary motion and dredge blocked materials in a material storage barrel to prevent the blocked materials from bridging and caking, so that the blocked materials can smoothly enter a material cup, and meanwhile, a scraping plate is driven to rotate, so that the blocked materials on the inner wall of the material cup can be removed at any time; and blockage caused by excessive accumulation of the blockage materials on the inner wall of the material cup is prevented, and further the characteristics that blockage of the blockage materials in the filling process is conveniently prevented, and the influence on the work progress is prevented are achieved.

This invention discloses a feeding device for the production of hydroxyapatite powder, aiming to solve the problems of uneven feeding, clogging, and dust pollution caused by the poor flowability and easy agglomeration of this type of powder. The device includes a frame, a feeding channel, a crushing device and a dust removal assembly located within the channel. The crushing device includes a fixed rod and a movable crushing shovel driven by a drive assembly, effectively preventing material bridging and agglomeration through active, reciprocating crushing action. The dust removal assembly includes a suction chamber, a filter screen, and a cleaning roller brush. When the crushing shovel moves, this mechanism can be periodically actuated, driving the cleaning roller brush to automatically clean the dust accumulated on the filter screen. This invention cleverly combines active crushing with a mechanically linked self-cleaning dust removal function, eliminating the need for an additional power source for the cleaning function. Its compact structure enables uniform, stable, and dust-free feeding, effectively improving production efficiency and environmental quality.

The utility model relates to the technical field of sludge treatment devices, in particular to a dry sludge filtering device which comprises a shell and a filtering assembly, the filtering assembly is mounted in an inner cavity of the shell and comprises a screen, a driving part and an elastic part, a plurality of mounting blocks are arranged in the inner cavity of the shell and evenly distributed in the circumferential direction of the shell, and the screen is arranged in the shell. The screen is mounted on the mounting block, the driving part comprises a vibrator and a compressed air pipeline, the vibrator is fixedly connected to the bottom wall of the screen, the compressed air pipeline is mounted below the vibrator, one end of the compressed air pipeline is communicated with an inner cavity of the vibrator, the other end of the compressed air pipeline extends out of the shell, and the elastic part comprises a plurality of spring bolts; the dry sludge filtering device is arranged, so that metal accessories in the dry sludge can be conveniently and quickly filtered through a screen, the metal parts are further prevented from entering the pelletizer along with the dry sludge, serious damage to parts such as a compression roller and a circular mold of the pelletizer is prevented, and the service life of the pelletizing equipment is prolonged.

The utility model provides a production device that can improve the flowability of silicon carbide fine powder relates to silicon carbide production technical field, the utility model discloses a hopper, the hopper is installed at the feed inlet of silicon carbide fine powder processing equipment, the stirring device sets up inside the hopper, wherein the stirring device can be stirred to the silicon carbide fine powder in the hopper, the stirring device includes motor, the motor is installed in the circular arc surface of hopper, the motor has the gear with the help of speed reducer fixed connection, the circular arc surface of hopper is rotatably connected with the gear ring, wherein the gear ring and the gear are interlocked, two the cleaning plate sets up inside the hopper, wherein the cleaning plate and the inner wall of hopper mutually fit, the utility model is through the first stirring board of stirring device setting vertical rotation in the hopper, has reached the effect of loosening to the silicon carbide fine powder, avoids the silicon carbide fine powder in the hopper to appear the bridging phenomenon, thereby influences the normal unloading condition of silicon carbide fine powder to take place.

The utility model relates to the technical field of cable extruders, in particular to a quick feeding cable extruder which comprises an extruder body, a screw conveyor, a feeding cylinder, a crushing mechanism, an anti-bridging mechanism and a feeding bin, the screw conveyor is arranged on the extruder body and communicated with the extruder body, the feeding cylinder is arranged on the screw conveyor, and the crushing mechanism is arranged on the feeding cylinder. The feeding barrel is communicated with the spiral conveyor, the crushing mechanism is arranged in the feeding barrel and used for crushing raw materials in the feeding barrel, the bridging prevention mechanism is arranged in the feeding barrel and used for preventing the raw materials in the feeding barrel from bridging, the feeding bin is arranged on one side of the feeding barrel, and a feeding pipe is arranged between the feeding bin and the feeding barrel; and meanwhile, the stirring mechanism is arranged, so that blockage and bridging of the raw materials in the feeding barrel are avoided, and the problems that in the prior art, the melting rates of the raw materials are not consistent, and the bridging phenomenon of the raw materials in the hopper is likely to happen are solved.

The invention discloses a material bridge clearing device and method for a vacuum induction furnace, and relates to the technical field of material bridge clearing devices. A material bridge removing device for a vacuum induction furnace comprises a charging bin, and further comprises a vertical cylinder part, a conical part and a discharging part which are connected in sequence. The conical rotating piece is rotationally arranged at the conical part of the loading bin, and the conical rotating piece is used for moving materials in the loading bin during rotation; the gas driving assembly is arranged on the loading bin and used for driving the conical rotating part to rotate; through rotation of the conical rotating piece, materials move close to the conical part, through arrangement of the tangential pressure pipe, spiral downward airflow is generated, the materials are moved intermittently, and when the tangential pressure pipe is close to the air outlet hole, collision airflow is formed to disturb the materials, so that the materials are separated from the air outlet hole. And therefore, the problems of bridging and layering of the materials in the loading bin are avoided, and the effect of removing bridging of the materials is achieved.

The embodiment of the invention provides a chip packaging structure and a chip packaging method, in the structure, one side, facing a substrate, of a chip is provided with a plurality of first welding spots, and one end, facing the substrate, of each first welding spot is provided with a groove; one side, facing the chip, of the substrate is provided with a plurality of welding pads, each welding pad is provided with a second welding spot corresponding to the first welding spot, and the shape of the second welding spot is matched with the shape of the groove; when the chip is inversely arranged on the substrate, the second welding spot is located in the groove of the first welding spot corresponding to the second welding spot. When the first welding spot of the chip and the second welding spot of the substrate are subjected to reflow soldering, the second welding spot is arranged in the groove, and the groove can play a role in blocking the welding flux and preventing the welding flux from overflowing, so that bridging between the adjacent welding spots is prevented, short circuit caused by contact of the welding flux and a circuit layer of the chip can be prevented, and the reliability of the chip packaging structure is improved.

The utility model discloses an anti-blocking and anti-hanging blanking groove device which comprises a blanking groove body, the top of the blanking groove body is connected with a feeding hopper, the bottom of the blanking groove body is connected with a discharging groove, and a discharging groove is formed in the blanking groove body. The anti-blocking assembly is arranged between the discharging groove and the discharging groove body, and the anti-blocking assembly comprises an equipment box, a gear motor, a driving rod, a cam and a movable plate; and the material hanging prevention assembly is arranged in the discharging groove body, and the material hanging prevention assembly comprises a heating cavity, a heater, an equipment cavity and an air extracting pump. According to the utility model, through the arrangement of the anti-blocking component, the area of the discharge port area is dynamically changed, the caked materials are extruded and sheared, the crushing capacity is enhanced, the materials are prevented from bridging, through the arrangement of the anti-wall-hanging component, the materials are kept dry, the flowability of the materials is improved, and the adhered materials are continuously stripped in cooperation with a wall-adhering airflow layer blown out by the flat nozzle.