43results about How to "Ensure processing safety" patented technology

The invention relates to a preparation method of a nanoparticle / hollow sphere composite reinforced metal-based composite material. The preparation method comprises the steps that firstly, a nanoparticle-reinforced metal-based composite material blank and hollow spheres are sealed in a steel capsule and isolated with a perforated plate in the middle, a first air guiding pipe is connected with the blank end, and a second air guiding pipe is connected with the hollow sphere end; secondly, the steel capsule is put into a box-type resistance furnace to be heated, vacuumizing is conducted through avacuum unit in the heating process to keep the vacuum degree in the steel capsule, melt is formed after the nanoparticle-reinforced metal-based composite material blank is molten, and the melt is loaded through the first air guiding pipe and enters spaces among the ceramic hollow spheres through the perforated plate; and lastly, the steel capsule is taken out from the box-type resistance furnace and cooled to room temperature, the steel capsule is removed in a machining mode, and finally the nanoparticle / hollow sphere composite reinforced metal-based composite material is prepared. Therefore,a way is provided for efficient, low-cost and high-performance preparation of the nanoparticle / hollow sphere composite reinforced metal-based composite material.

The invention discloses a process for improving chloroprene mixed rubber scorching performances. The mixed rubber comprises, by weight, a masterbatch ingredient comprising 70-100 parts of chloroprene rubber, 1-3 parts of a promoter, 0.5-2 parts of stearic acid, 1-3 parts of protection wax, 1-3.5 parts of an antiager OCT, 20-80 parts of fast extruding furnace black N550, 20-70 parts of semi-reinforcing furnace black N774 and 10-50 parts of dioctyl sebacate, and an auxiliary material ingredient comprising 1-3 parts of an antiager 3100, 1-2.5 parts of an antiager 4010NA and 2-10 parts of a vulcanizing agent. The mixing process comprises 1, initial stage mixing and 2, tail stage auxiliary material addition and mixing. Compared with the existing mixing process, the process provided by the invention improves mixing processes, changes a material use order by prior use of a part of the promoter and later use of all vulcanizing agent and a part of antiagers in masterbatch preparation to improve mixed rubber scorching time, and guarantees a mixed rubber transport and storage period and processing safety.

The invention discloses a monitoring method of a tool state in deep hole inner thread machining. On the basis of a kinetic model and a stable area thereof in the cutting process, the relation betweenvibration energy in a special frequency band and tool wear is built. The method can be used for monitoring the tool wear state in the deep space inner thread, a machining method can be conveniently modified, machining precision is improved, and machining safety is ensured.

The invention relates to the technical field of hardware machinery, and discloses an intelligent manufacturing and machining table for precision part trepanning. The intelligent manufacturing and machining table comprises a shell, a rotating screw is connected to each of the left part and the right part of an inner cavity of the shell in a rotating mode, the upper parts of the rotating screws are sleeved with sleeves in a sliding mode, closed curved grooves are formed in inner cavities of the sleeves on the surfaces of the upper parts of the rotating screws, a bearing plate is fixedly connected between the sleeves, rotating rings are connected to the top ends of the sleeves in a rotating mode, and symmetrical movable strips are movably connected between the sleeves and the side wall of the inner cavity of the shell. According to the intelligent manufacturing and machining table for precision part trepanning, parts are fixed between a rubber plate and a placement plate, in the machining process, the rotating screws are made to rotate automatically by utilizing downward force applied to the placement plate by a user, an air pressure bag are extruded by utilizing an abutting column to cool the parts, and therefore the machining quality of the corresponding parts is effectively guaranteed, and the machining safety of the parts is effectively guaranteed.

The inventing discloses a method and a device for slitting plank. A transmission gear drives a pinch roller assembly to rotate, and the transmission gear presses the plank tightly and drives the plank to rotate through the pinch roller assembly, and then the plank is cut into strips by a cutting disk assembly. The method and the device for slitting the plank need not pressing through manpower, thus processing safety of workers is ensured and labor intensity of the workers is reduced. The pinch roller drives the plank to move at constant speed so that slitting quality is improved. A plurality of cutting disks slit one plank simultaneously and can cut the plank into a plurality of strips one time, and thus processing efficiency is improved greatly. A collecting cover is used for recycling the bits of wood, thus not only is environmental quality improved, but also energy is saved.

The invention discloses a process for improving chloroprene mixed rubber scorching performances. The mixed rubber comprises, by weight, a masterbatch ingredient comprising 70-100 parts of chloroprene rubber, 1-3 parts of a promoter, 0.5-2 parts of stearic acid, 1-3 parts of protection wax, 1-3.5 parts of an antiager OCT, 20-80 parts of fast extruding furnace black N550, 20-70 parts of semi-reinforcing furnace black N774 and 10-50 parts of dioctyl sebacate, and an auxiliary material ingredient comprising 1-3 parts of an antiager 3100, 1-2.5 parts of an antiager 4010NA and 2-10 parts of a vulcanizing agent. The mixing process comprises 1, initial stage mixing and 2, tail stage auxiliary material addition and mixing. Compared with the existing mixing process, the process provided by the invention improves mixing processes, changes a material use order by prior use of a part of the promoter and later use of all vulcanizing agent and a part of antiagers in masterbatch preparation to improve mixed rubber scorching time, and guarantees a mixed rubber transport and storage period and processing safety.

The invention discloses a method for preventing fire and reducing oxygen content in exhaust gas through injecting exhaust gas of a power plant in a well. Coal can adsorb oxygen to reduce oxygen content in exhaust gas. Oxygen concentration reduction mainly utilizes 11 coal storage tanks to be cooperated for recycling; according to the normal pressure volumetric method, the coal quantity in one coalstorage tank is obtained through the comprehensively fed exhaust gas quantity, the oxygen content when the exhaust gas is fed and the oxygen content when the exhaust gas is discharged; the tanks carry out four procedures including exhaust gas feeding, oxygen removal, exhaust gas discharging and coal changing sequentially; 11 tanks take turns to carry out the four procedures and are alternately recycled to ensure that exhaust gas is continuously provided for a goaf; the coal storage tanks can conveniently carry out coal loading and unloading operation; as oxygen adsorption by coal does not change the coal nature, the loaded coal is new coal produced by a coal yard, and the unloaded coal can be transported to the power plant as fuel; and coal is adopted to adsorb oxygen to avoid spontaneouscombustion of coal; fire prevention of an underground goaf is carried out on a coal mine, and the coal resource is rich, so that the cost is greatly reduced.

The invention belongs to the technical field of bridge engineering, and in particular relates to a beam bottom overhaul platform capable of spanning bridge piers and obstacle pillars and a use method of the beam bottom overhaul platform. The beam bottom overhaul platform comprises pillar spanning truss trolleys, pier pillar spanning hanging racks, hoisting systems and connecting units, wherein the pillar spanning truss trolleys comprise two pairs of truss trolleys which are positioned on the inner sides of guardrails on two sides of a bridge, are capable of moving in the direction of the bridge and are arranged in symmetry; a plurality of detachable cantilever rods stretch outwards from one side adhering to the guardrails, of each truss trolley; the pier pillar spanning hanging racks are suspended on the cantilever rods on each pair of the truss trolleys through the hoisting systems; adjacent pier pillar spanning hanging racks are connected through the connecting units; the pier pillar spanning hanging racks comprise a plurality of truss units which are arranged in the direction of the bridge; adjacent truss units are in detachable fixed connection. The beam bottom overhaul platform has the advantages of high applicability, simple operation, good security, good economic property, good application prospect and the like.

The invention belongs to the mechanical technical field where mixtures such as sinter, cement, slag, etc. are processed, and formed and removed out of a forming die, in particular to a composite tie bar masonry forming machine of the heat preservation masonry with tie bars suitable for automatic production on a polystyrene board. The invention comprises an automatic plate supply system I, a material supply system II, and a forming host machine III; wherein, the automatic plate supply system I is the creation core of the invention and is horizontally and fixedly provided with a slab transmission frame; the upper part of the slab transmission frame is horizontally provided with a horizontal guide mechanism and an adhesive tape slab conveyor; the front end of the slab transmission frame is vertically and fixedly provided with a vertical guide trough and a vertical guide idler wheel frame; the upper part of the vertical guide trough is provided with a vertical plate press which can only vertically move up and down according to times; the front end of a plate supply vehicle is fixedly provided with a plate clamp which is horizontally positioned. The invention has the advantages of filling up the blank of the technical process in China, effectively and actively prompting the technical conversion of the masonry with tie bars composite into a whole, ensuring the quality of the product,ensuring the safety of the process, and improving production efficiency.

The invention discloses a forging punch die capable of reducing workpiece wear, comprising a main body frame, a hydraulic cylinder, an oiling pump, a drive motor and an oiling head, the upper side of the main frame is fixed with a hydraulic cylinder, and the lower end of the hydraulic cylinder is fixed A mounting base is connected, a stamping lower die is installed on the upper side of the stamping workbench, and an oil pipe is connected to the outside of the stamping lower die, and a driving motor and an oil receiving tank are installed on the outer side of the main frame, and the outer side of the oil receiving tank is arranged There is an oil discharge port, a moving block is connected to the threaded rod, and a stamping die is fixed on the upper side of the moving block. The forging punch die that can reduce the wear of the workpiece forms an oiling mechanism at the upper end of the lower punching die, so that it can provide lubrication for the contact between the material and the forging punch die during the stamping deformation process of the material by the forging punch die, thereby The damage caused by friction between the material and the forging punch die is effectively reduced.

The invention relates to a drilling device with protective function, which includes a base, an upper shell, a lower shell, a placing mechanism, a cooling mechanism, a lifting mechanism, a lifting plate, a motor, a drill rod and two vertical plates. The placing mechanism includes a platform and two A supporting component, the cooling mechanism includes a water tank, a sealing plug, a return pipe, a water pump and several cooling components, the cooling component includes a nozzle and a cooling tube, and the punching device with a protective function can drive the upper shell and the lower shell during processing through the driving mechanism Close to each other to form a closed processing environment, to prevent debris from splashing and endangering surrounding personnel, to ensure processing safety, and to drive the placement mechanism to fix the workpiece to prevent the workpiece from shaking and shifting, and to use the cooling mechanism to spray water to absorb the heat of the workpiece and the drill pipe to cool down. Extend the life of the drill pipe and improve the machining accuracy. Since the water is sprayed in a closed environment to prevent the water from splashing to the outside, it is convenient to recycle the water for repeated heat absorption and cooling, which improves the practicability of the equipment.

The invention discloses an automatic feeding, drilling, hair-planting and flying hair all-in-one machine, which includes a support base plate, the end of the return spring far away from the left inner wall of the inner cavity of the track groove is fixedly connected with a sliding splint, and the middle of the top of the support base plate is located on the track block The left side is fixedly connected with a fixed splint, the middle of the top of the support bottom plate is located on the side of the fixed splint away from the track block and is fixedly connected with a mobile device, and the bottom of the support top plate is fixedly connected with a tufting machine directly above the sliding splint, and the first reciprocating The side of the device close to the sliding splint is fixedly connected with a drilling machine, and the side of the second reciprocating device close to the sliding splint is fixedly connected with a fly machine. The invention relates to the technical field of brush manufacture. The device unifies each processing procedure and combines them in an orderly manner to avoid human error and ensure processing quality. Through mutual cooperation, processing is performed simultaneously to save processing time, improve processing efficiency, and remove dust and impurities in time to ensure processing safety.

The invention discloses a method for preventing fire and reducing oxygen content in exhaust gas through injecting exhaust gas of a power plant in a well. Coal can adsorb oxygen to reduce oxygen content in exhaust gas. Oxygen concentration reduction mainly utilizes 11 coal storage tanks to be cooperated for recycling; according to the normal pressure volumetric method, the coal quantity in one coalstorage tank is obtained through the comprehensively fed exhaust gas quantity, the oxygen content when the exhaust gas is fed and the oxygen content when the exhaust gas is discharged; the tanks carry out four procedures including exhaust gas feeding, oxygen removal, exhaust gas discharging and coal changing sequentially; 11 tanks take turns to carry out the four procedures and are alternately recycled to ensure that exhaust gas is continuously provided for a goaf; the coal storage tanks can conveniently carry out coal loading and unloading operation; as oxygen adsorption by coal does not change the coal nature, the loaded coal is new coal produced by a coal yard, and the unloaded coal can be transported to the power plant as fuel; and coal is adopted to adsorb oxygen to avoid spontaneouscombustion of coal; fire prevention of an underground goaf is carried out on a coal mine, and the coal resource is rich, so that the cost is greatly reduced.

The invention discloses a firecracker manufacturing all-in-one machine comprising a reel mechanism, a fuse inserting mechanism, a firecracker connecting mechanism, a conveying mechanism, a powder charging mechanism and an encapsulating mechanism, wherein the reel mechanism comprises a center wheel (24), and at least four tiles and rollers, wherein the tiles and the rollers are evenly arranged in the middle of the axial direction of the excircle of the center wheel at intervals; the fuse inserting mechanism comprises a fuse inserting wheel (21), and at least four pairs of shuttle needle pipes (65) and shuttle needles (66), wherein the shuttle needle pipes (65) and the shuttle needles (66) are evenly arranged on one end of the fuse inserting wheel at intervals; a transition wheel (23) and aclamping hook (44) are arranged between the fuse inserting wheel and the center wheel; a swing flask conveying device (20) on the conveying mechanism is arranged between the fuse inserting wheel and a delivery wheel (10); the powder charging mechanism comprises a spiral conveyor (17) and distributors (11), wherein the distributors on both ends are respectively connected with an agitating vessel; the distributor in the middle is connected with the spiral conveyor; and the spiral conveyor is connected with the distributors. The invention greatly increases the firecracker producing and processing efficiency, improves the firecracker processing quality, and can ensure the firecracker processing safety, thereby being beneficial to organizing scale production and processing of firecrackers, andlowering the firecracker processing cost.

The invention discloses a hydraulic switching device applicable to disc part processing. The hydraulic switching device is mounted in an external machine tool of part processing, and comprises a distributer, an electromagnetic valve and an overflow valve, wherein a first oil way and a second oil way which communicate with each other are arranged in the distributer; the two ends of the first oil way are an oil inlet and an oil outlet; the oil inlet receives hydraulic oil and the hydraulic oil flows into a chuck cylinder; the electromagnetic valve and the overflow valve are mounted on the outer side surface of the distributer, and are sequentially positioned in a hydraulic oil circulation path of the second oil way; an unloading port communicates with a hydraulic station of the external machine tool; the electromagnetic valve is electrically connected with a PMC controller in the external machine tool; a first built-in relay and a second built-in relay are arranged inside the PMC controller for controlling the turn-on and turn-off of the electromagnetic valve; and the PMC controller has a program for automatically controlling the operation of the relays inside. According to the technical scheme, the high and low pressure states of hydraulic oil can be automatically switched, the deformation of disc parts after processing is eliminated, the processing safety is guaranteed, and the production efficiency is improved.