36results about How to "Avoid secondary processing" patented technology

The invention discloses an angle-adaptive and pressure-adjustable optical element polishing grinding head, and belongs to the technical field of precision manufacturing, the angle-adaptive and pressure-adjustable optical element polishing grinding head comprises a bottom plate, a positioning mounting pin is arranged in the center of the upper surface of the bottom plate, an air nozzle is mounted on the upper surface of the bottom plate, and a corrugated pipe connector is arranged on the lower surface of the bottom plate; the corrugated pipe connector is connected with the top end of a corrugated pipe, a grinding head base is installed at the bottom end of the corrugated pipe, and a grinding head is connected to the lower portion of the grinding head base through a clamping ring. According to the angle-adaptive and pressure-adjustable optical element polishing grinding head, the angle of the grinding head is automatically adjusted through the flexible structure of the corrugated pipe, the grinding head is dynamically attached to the surface of an optical element, and the grinding head adapts to the surface with the complex curvature; the contact pressure between the grinding head and the surface is accurately controlled by regulating and controlling the medium pressure in the corrugated pipe, and excessive grinding or damage is avoided. The closed cavity guarantees the stability of the system, and the dynamic adjusting capability guarantees the real-time optimization of the angle and the pressure in the machining process.

The utility model belongs to the technical field of opposite-tapping hole drilling mechanisms, and particularly relates to a motor shell translation opposite-tapping type multi-hole drilling mechanism. The machining device comprises a main machining machine, a U-shaped block and an L-shaped supporting frame are arranged on a moving table, a rotating column is arranged at the vertical end of the L-shaped supporting frame, a crank and a first angle gear are arranged at the two ends of the rotating column respectively, and meanwhile the two sides of the first angle gear are meshed with a second angle gear and a third angle gear respectively; a first threaded rod and a second threaded rod are arranged on the second angle gear and the third angle gear respectively, the first threaded rod and the second threaded rod are inserted into the positions, on the two sides of the U-shaped block, below the sliding blocks respectively, and meanwhile positioning plates are arranged above the sliding blocks. The two ends of the motor shell can be drilled at the same time, the situation of secondary machining is avoided, and the drilling stability of the shell is improved through the horizontal clamping mode.

The utility model relates to the technical field of cement grinding, and provides environment-friendly cement energy-saving efficient grinding equipment which comprises a first box body, a second box body is arranged below the bottom of the first box body, an insertion pipe is welded to the center of the end face of the top of the first box body, and a first motor is arranged above the top of the insertion pipe. A transmission shaft is fixed to the output end of the first motor. According to the environment-friendly cement energy-saving efficient grinding equipment, a first motor drives a supporting rod to rotate, a first grinding roller can grind environment-friendly cement on a supporting plate, ground environment-friendly cement powder can fall onto a collecting hopper through a discharging hole, a second motor can drive a transmission block to rotate, and the transmission block is driven to rotate; when the transmission block rotates, the second grinding roller can conduct secondary grinding on cement powder on the collecting hopper, the grinding effect is improved, the quality of the cement powder is guaranteed, the situation that secondary processing is conducted on the cement powder which does not reach the standard is avoided, using is more efficient, the yield of the cement powder can be increased, meanwhile, energy consumption can be reduced, and the energy-saving effect is achieved.

This invention belongs to the technical field of design and construction of main transformer oil sump grids in power engineering. Specifically, it relates to a method for laying out the bottom layer grids of a main transformer oil sump, including the following steps: defining the characteristics of the grid support pillars, dividing the oil sump layout area, arranging key pillars, adjusting the pillars, assigning "forward and reverse" properties to the pillars, and laying out the grids according to the pillar characteristics. The layout method provided by this invention is simple and intuitive, effectively solving the problem of difficult layout of the bottom layer grids of the main transformer, and avoiding repetitive work such as on-site processing caused by improper layout of the main transformer grids.

The present invention discloses a laser cutting device for high-temperature furnace processing, which relates to the technical field of laser cutting and comprises a processing groove, wherein the processing groove is provided with a rotatable clamping mechanism, and the clamping mechanism is used to clamp the furnace core of the high-temperature furnace; the processing groove is provided with a laser cutter that can move laterally, and the laser cutter can move vertically to contact the surface of the furnace core, and the clamping mechanism comprises a clamp that can center and clamp the furnace core, and when the laser cutter makes a hole in the furnace core, its cutting sparks are absorbed by the inner wall of the auxiliary welding pipe, and the inner wall of the furnace core will not be damaged, thereby avoiding defects, and when the laser cutter cuts the hole position of the furnace core, the cut waste falls into the auxiliary welding pipe, and the suction piece provides suction, and the waste is adsorbed and collected through the auxiliary welding pipe while cutting, so that cutting protection is achieved while effectively collecting waste, thereby improving processing convenience, avoiding secondary processing of waste after furnace core processing, and saving processing costs.

This invention discloses an injection molding apparatus and method for biodegradable plastic cups, relating to the field of plastic cup injection molding technology. The apparatus includes an injection molding machine, a lifting mechanism, a supporting mechanism, a positioning mechanism, a driving mechanism, a rotating mechanism, and an auxiliary mechanism. The lifting mechanism is mounted on top of the injection molding machine, the supporting mechanism is mounted at the bottom of the lifting mechanism, the positioning mechanism is mounted at one end of the supporting mechanism, the driving mechanism is mounted at the other end of the supporting mechanism, the rotating mechanism is mounted between the driving mechanism and the positioning mechanism, and the auxiliary mechanism is mounted above the positioning mechanism. This invention utilizes the coordinated arrangement of the lifting mechanism, supporting mechanism, positioning mechanism, and driving mechanism to facilitate the movement of the molded plastic cup to the positioning mechanism via the lifting and driving mechanisms. Combined with the elasticity of the supporting mechanism, the auxiliary mechanism can polish the rim of the plastic cup, improving the efficiency of rim treatment and enhancing the quality of the finished plastic cup.

The utility model provides a supporting frame stamping device for an elevator speed limiter. Relates to the technical field of steel plate processing. Comprising a base, two symmetrically-distributed supporting legs are fixedly installed at the bottom of the base, a U-shaped frame is fixedly installed at the top of the base, a stamping assembly for stamping a workpiece is arranged on the U-shaped frame, and a side wall trepanning assembly for trepanning the workpiece is arranged in the base; and the punching assembly comprises a supporting seat, a rotating shaft, a cylindrical block, an extrusion block, a mounting plate, a driving motor, a plurality of guide columns, a plurality of first springs, two guide plates, a punching block, a plurality of punching heads and a connecting block. The supporting frame stamping device for the elevator speed limiter has the advantages that a hole can be formed in a preset position while the workpiece is stamped, secondary machining is avoided, a hole can be formed in the side wall of the workpiece when the stamping block stamps the workpiece, and working efficiency is further improved.

The utility model discloses a novel charging structure suitable for a large-diameter deep hole blasting mining method, which is characterized in that a plurality of rows of blast holes are distributed in a chamber to be mined, the blast holes are divided into pillar holes, middle holes and side holes according to positions, explosive layers and spacing layers are distributed in the blast holes at intervals, and hole bottoms and hole openings are filled with the explosive layers and the spacing layers, the hole opening of the blast hole is provided with a non-charging section not smaller than 5 meters, four emulsion explosives are filled in a single explosive layer of the pillar hole, three emulsion explosives are filled in a single explosive layer of the middle hole, four emulsion explosives are filled in an explosive layer close to the hole opening of the side hole, and two emulsion explosives are filled in other explosive layers. The blast holes with different charging structures are arranged in the to-be-mined chamber according to the vibration bearing capacity of different areas, and the 5-meter non-charging sections are reserved in the holes, so that the overall charging amount is effectively reduced, ore turning and damage to the adjacent chambers in the blasting process are avoided, and the blast hole structure has the advantages of low production cost, high operation safety guarantee, high efficiency and the like. And the enterprise safety and the economic benefit are effectively improved.

The utility model discloses a double cone rotary vacuum drying machine, including base and drying cylinder, the both ends of drying cylinder are symmetrical conical structure, the upper end fixed left side support of base one side, the upper end fixed right side support of base other side, drying cylinder one side is connected through left rotation axis and left side support, drying cylinder's other side is connected through right rotation axis and right side support, the top of drying cylinder is provided material crushing device, material crushing device is fixed on drying cylinder upper end opening place through fixing piece, through setting material crushing device, not only can prevent material to accumulate on the wall, and the multiple crushing blade of material crushing device built -in can effectively real -time smash the caked material, avoid secondary processing to improve the thermal conductivity, improve drying efficiency also.

The utility model discloses a sheet metal part stamping device facilitating feeding and discharging, which belongs to the technical field of sheet metal processing and comprises a stamping component and an automatic feeding and discharging component. The stamping assembly comprises a stamping machine, a lower die part used for being matched with inclined pushing to form a negative angle and the lower portion shape of a sheet metal part and an upper die part used for being pressed downwards to provide inclined pushing force and forming the upper portion shape of the sheet metal part, the lower die part, the upper die part and the automatic feeding and discharging assembly are installed on the stamping machine, and the lower die part is connected with the upper die part. A demolding part is arranged on the inner side of the upper mold part. According to the mode, the lower die part and the upper die part are arranged in a matched mode, so that the shape and the negative angle of the sheet metal part are formed at a time, secondary machining is avoided, the production efficiency is improved, and due to the arrangement of the demolding part, the situation that the sheet metal part is driven to move synchronously when the upper die part ascends due to the negative angle part, and follow-up feeding and discharging of the sheet metal part are affected is avoided.

The utility model relates to the technical field of burr cutting, in particular to a laser cutting machine for graphene cushion burrs, which comprises a bottom plate, a cleaning mechanism arranged on the front side of the bottom plate and a cutting mechanism used for removing burrs at the end of a cushion, and the cutting mechanism is positioned on the rear side of the bottom plate. The cutting mechanism comprises a cutting structure used for removing burrs at the end of the cushion and a conveying structure used for conveying the cushion backwards, and a tensioning structure used for locally tensioning the end of the cushion is arranged below a cutting head. The cutting device has the beneficial effects that before burrs at the ends of the cushions are cut, the ends of the cushions are flattened and tensioned towards the two sides through the tensioning structures, the ends of the cushions are in the tightened state, then the ends of the cushions are subjected to laser cutting through the cutting structures, the cut ends of the cushions are smoother and smoother, the phenomenon that the ends are uneven in layer is avoided, and the cutting efficiency of the cushions is improved. The cutting quality and efficiency of the burrs at the end of the cushion are improved, and secondary machining is avoided.

This utility model relates to a door panel edge-sealing device, including a fixed plate. A central shaft is fixedly connected to the right side of the fixed plate. A roller is fixedly sleeved on the outside of the central shaft. Several fixed baffles are fixedly connected to the outside of the roller near its rear end. The fixed baffles are arranged in a cross shape. An edge-sealing tape is wound around the outside of the roller. Through the mutual cooperation between the component fixed plate, limiting plate, toothed plate, sleeve plate, hinge block, bonding wheel, edge-sealing tape, handle, central shaft, fixed baffles, roller, movable baffle, C-shaped insert rod, round plate, guide plate, pull rod, crank handle, fixed rod, and transmission rod, the operator can install the edge-sealing tape on the outside of the roller. When the edge-sealing tape moves on the outside of the door panel, the bonding wheel can simultaneously fasten the edge-sealing tape to the door panel, avoiding secondary processing by the operator and improving edge-sealing efficiency.

The invention discloses a thickener top overflow water quality automatic regulation and control device and a regulation and control method thereof, and relates to the technical field of water quality regulation and control, the thickener top overflow water quality automatic regulation and control device comprises a main body, a processor, a power supply, a dredging module and a monitoring module, the dredging module is connected with the processor through a signal line, and the monitoring module is connected with the processor through a signal line; a processor is installed on the upper portion of the inner wall of the body, a power source is installed on the upper portion of the inner wall of the body, a dredging module is installed in the middle of the inner wall of the body, and a monitoring module is installed in the middle of the inner wall of the body. By installing the dredging module, the function of dredging equipment is achieved, the problems of water quality deterioration, treatment efficiency reduction, energy consumption increase and aggravated equipment abrasion are solved, it can be guaranteed that water flows smoothly, accumulation of suspended solids and impurities is reduced, the quality of overflow water is improved, the possibility of follow-up treatment is reduced, and economic benefits are improved.

The veterinary drug soluble powder screening device comprises a shell, a screening groove penetrating through the shell is formed in one side of the top of the shell, an inner screening barrel is rotationally arranged in the screening groove, and an outer screening barrel is arranged on the outer side of the inner screening barrel in a sleeving mode; a plurality of scraping plates used for smashing cakes are fixedly connected to the inner side wall of the outer screening barrel in an annular array mode, and the sides, away from the outer screening barrel, of the scraping plates make contact with the outer side wall of the inner screening barrel. The utility model relates to the technical field of screening devices. According to the veterinary drug soluble powder screening device, due to the arrangement of the inner screening barrel and the outer screening barrel, multi-stage screening can be conducted on veterinary drug soluble powder, and the screening quality of the veterinary drug soluble powder can be effectively improved; and when the veterinary drug soluble powder is screened, veterinary drug soluble powder cakes clamped in the screening holes can be scattered, so that the veterinary drug soluble powder cakes are prevented from being intercepted by the inner screening barrel to be subjected to secondary processing.

The invention discloses a numerical control drilling machine with a multi-hole-site synchronous machining function. The numerical control drilling machine comprises a main frame body, a plurality of movable workbenches, a sliding driving device, a plurality of drills, a plurality of positioners and a numerical control system. The movable workbench is installed on the main frame body in a sliding mode. The driving end of the sliding driving device is arranged on the main frame body, and the output end of the sliding driving device is in driving connection with the movable workbench. The drilling device is arranged at the top of the main frame body, and the drilling device and the movable workbench are distributed at intervals in the gravity direction; the positioners are respectively arranged at the working ends of the corresponding drills; the numerical control system is arranged on the main frame body; the numerical control system is electrically connected with the positioners, the drills and the sliding driving device. And the numerical control system is used for controlling the sliding driving device to operate according to the positioning information of the positioner, so that the relative position between the to-be-machined position of the to-be-machined workpiece and the working end of the drilling device can be adjusted, the frequency of manually adjusting the position of the workpiece is reduced, and the overall machining efficiency is improved.

The utility model discloses a pyrolysis drum which comprises a pyrolysis drum body, a guide plate I, a guide plate II, a mesh screen, a guide plate III, a rotating shaft and an angle regulator, the guide plate I and the guide plate II are arranged in the pyrolysis drum body, and the first end of the guide plate I is arranged close to the first end of the pyrolysis drum body; a discharge chute is formed between the outer wall and the second end of the mesh screen and the inner wall of the pyrolysis drum body; one end of a guide plate III is arranged in the discharge hole; the rotating shaft is mounted at the axis of the pyrolysis drum body; and the adjusting end of the angle adjuster is connected with the rotating shaft at the second end of the pyrolysis drum body. The inclination angle between the pyrolysis drum body and the horizontal plane can be adjusted through the angle adjuster, three guide plates and the mesh screen are arranged in the pyrolysis drum body, and the mesh screen releases qualified pyrolysis products and throws back unqualified pyrolysis products, so that it is guaranteed that the water content, the component composition and the particle size of discharged materials all meet the quality requirements, and secondary treatment of the discharged materials is avoided; in addition, by adjusting the angle of the pyrolysis drum, different friction angles required by different biomass / organic matters can be adapted, so that the quality of discharged materials is uniform.

The utility model relates to the technical field of metal plate spraying, and discloses a tool device for metal plate spraying, which comprises a spraying box, a moving component is arranged in the spraying box, and a clamping component is arranged at the top of the moving component; the moving assembly comprises a fixing frame, a long groove is formed in the outer wall of the fixing frame, a gear motor is installed on the outer wall of the fixing frame, and an output shaft of the gear motor is fixedly connected with a lead screw through a coupler. The tool device for metal plate spraying is provided with the fixing frame, the long groove, the gear motor, the lead screw and the moving plate, the gear motor works to drive the lead screw to rotate, so that the moving plate moves, the moving plate moves to drive the base to move, the base drives a clamped workpiece to move, the paint spraying pump works to enable the spraying head to spray paint on the moving workpiece, and the working efficiency is improved. And the surface of the metal plate workpiece can be sprayed, so that the working efficiency is enhanced, secondary processing is avoided, and the requirements of people are met.

The invention relates to the field of valve bodies, in particular to a machining process of a stop valve body, which comprises the following steps: annealing, stably putting the valve body into an annealing furnace, setting the temperature of the annealing furnace at 680-750 DEG C, keeping for 1-2 hours to ensure that the temperature is uniform, slowly cooling in the furnace or slowly cooling in slag outside the furnace, taking out the valve body after cooling, and detecting the quality of the valve body. The valve body is placed in a heating furnace, the valve body is heated to 850-950 DEG C, heated to the critical temperature interval of steel and heated to the target temperature, the temperature is kept for 15-30 min, then the valve body is taken out of the furnace and naturally cooled to the room temperature, the internal stress of the material is eliminated through annealing, and the material is prevented from deforming or cracking in subsequent machining; and the annealed material has good plasticity and toughness, subsequent secondary machining is facilitated, the strength and hardness of the material can be remarkably improved through normalizing, the mechanical performance of the material is improved, the strength and hardness of the obtained material are higher, and the normalized valve body material is more uniform in grain and more refined in structure.

The invention belongs to the technical field of paper-cutting teaching aids, and particularly discloses a device and method for paper-cutting teaching, and the device comprises a paper-cutting table, the upper side of the paper-cutting table is fixedly provided with a paper-cutting table, the inner side of the paper-cutting table is provided with a table groove, and the rear side of the paper-cutting table is fixedly provided with a display. A sliding rail frame is fixedly installed at the position, close to the rear side, of the upper end of the paper cutting table, an equipment shooting support is slidably arranged on the sliding rail frame, a paper scrap suction assembly is fixedly arranged at one end of the paper cutting table, a cleaning assembly is arranged at the position, close to the inner side of the table groove, of one side of the paper scrap suction assembly, and a driving assembly is arranged on the lower side of the table groove. A storage drawer is installed on the side, away from the driving assembly, of the lower end of the paper-cutting table, and a control switch is installed at the position, close to the paper scrap suction assembly, of the front end of the paper-cutting table. Through overall cooperative use, the shielding cloth is pulled out for shielding, and it is avoided that in the paper scrap suction process, part of paper scraps fly around due to the influence of airflow.

The utility model discloses a positioning device for aluminum profile cutting processing, which comprises a convex mounting seat, two limit fixing blocks are symmetrically and fixedly mounted on one side of the top of the convex mounting seat, a mounting block is fixedly mounted in the middle of the other side of the top of the convex mounting seat, and the mounting block is positioned between the centers of the two limit fixing blocks. Two adjusting blocks are symmetrically mounted on the sides, located on the two limiting fixing blocks, of the mounting block, the two adjusting blocks are aligned with the ends of the two limiting fixing blocks correspondingly, pressing blocks are fixedly mounted on the sides, close to the limiting fixing blocks, of the two adjusting blocks correspondingly, and clamping rubber pads are fixedly mounted at the ends, close to the fixing blocks, of the two pressing blocks correspondingly; a motor for moving and adjusting the two adjusting blocks is installed in the middle of the side, away from the adjusting blocks, of the installation block. The positioning device is provided with the double-side adjustable synchronous fixing structure, and the double-side adjustable synchronous fixing structure can be used for adjusting, positioning and fixing aluminum profiles with different sizes, so that the stability of the two sides of the aluminum profiles during cutting is guaranteed.

The utility model discloses an equipment cooling structure, which relates to the technical field of cooling equipment, and comprises a cooling plate capable of being matched with target equipment, a cooling medium inlet and a cooling medium outlet are respectively communicated with a cooling groove, and a sealing part is annularly arranged in the cooling groove; when the cooling plate is assembled with target equipment, the sealing part abuts against the target equipment. The cooling medium inlet is connected to the E end of a three-way valve, the F end of the three-way valve is connected to an air cooling source, and the D end of the three-way valve is connected to a liquid cooling source. According to the equipment cooling structure provided by the utility model, a liquid cooling mode and an air cooling mode are intelligently switched through the three-way valve, liquid cooling direct contact heat dissipation is started in the operation stage of target equipment, and high temperature is efficiently absorbed; the air cooling mode is automatically switched in the shutdown stage, residual liquid in the cooling cavity is swept, blown and removed, waste heat is synchronously discharged, equipment pollution or corrosion caused by residual cooling liquid is avoided, heat dissipation is enhanced through airflow, and the service life of equipment is prolonged.

The invention discloses a manufacturing method of a one-piece track shoe for a special vehicle. The manufacturing method comprises the following steps that the weight of a forging stock is calculated, and blanking is conducted; horizontally placing the blanked round steel into a furnace in a single-layer manner, carrying out heat preservation, starting forging, and trimming by utilizing waste heat after forging is completed; the track shoe is flatly loaded into a material frame to be subjected to heat treatment, and shot blasting treatment is conducted on the track shoe after heat treatment is completed; a boring machine clamp is designed and manufactured, the boring machine clamp is installed on a common boring machine or a horizontal machining center, and the sizes of the two end faces, the pin holes, the end faces of the U-shaped grooves, the chamfers and the landing ribs of the track shoe are machined to the final sizes at a time; the landing rib is subjected to medium-frequency quenching treatment; and carrying out low-temperature tempering treatment on the whole track shoe after medium-frequency quenching. The method has the characteristics of high processing quality and efficiency, low production cost and the like, and is worthy of popularization and application.

The utility model discloses a copper elbow forming device, which relates to the field of copper elbow processing and comprises a fixing seat, a base is fixedly mounted on one side, close to the bottom, of the front of the fixing seat, and a fixing die rod is fixedly mounted in the center of the front of the fixing seat. Three fixed mold grooves are formed in the positions, close to the middle, of the outer surface of the fixed mold rod. According to the copper elbow forming device, in the arc bending process, a copper straight pipe material can continuously slide in the movable die groove, so that the arc bending position of the material can be effectively prevented from being stretched, the phenomenon that the material is torn is reduced, three elbows can be machined at a time, the working efficiency is higher, and the production cost is reduced. And moreover, as the movable die groove continuously slides outside the material for arc bending, compared with a traditional direct die pressing mode, the phenomenon that the surface of the material is sunken can be avoided, the product quality is improved, and the phenomenon of secondary machining is reduced.

The invention discloses a watch middle frame injection mold, and relates to the field of injection molds, the watch middle frame injection mold comprises an upper mold assembly and a lower mold assembly, the upper mold assembly comprises an upper mold plate and an upper mold core, the lower mold assembly comprises a lower mold plate and a lower mold core, and a middle frame mold cavity is formed when the upper mold core and the lower mold core are closed; first slide assemblies are arranged between the upper mold core and the lower mold core and located on the two symmetrical sides of the middle frame mold cavity, the first slide assemblies can enter the watch middle frame mold cavity in the transverse direction in the mold closing process, and needle cores which are symmetrical and can stretch out and draw back are arranged at the front ends of the first slide assemblies; the symmetrical and telescopic needle cores are arranged at the front end of the first slide assembly, so that the buckle needle hole can be directly formed in the injection molding process, the secondary processing procedure is avoided, the production procedure is reduced, and the needle cores can enter a cavity during mold closing and exit during mold opening, so that the molding of the buckle needle hole structure is realized, and the production efficiency is improved. And therefore, the watchband assembling precision is improved, the production efficiency is obviously improved, and the production cost is reduced.

This invention provides a graphene three-electrode coplanar standard electrode and its application. Specifically, three coplanar electrodes are fixedly disposed on an electrode substrate, which are, from left to right, a first electrode, a second electrode, and a third electrode. The first electrode includes a first pin (1), a first guide portion (4), and a first detection layer (7); the second electrode includes a second pin (2) and a second guide portion (5); and the third electrode includes a third pin (3), a third guide portion (6), and a second detection layer (8). An electrode modification hole (9) is formed by drilling a hole in the electrode substrate and is placed directly above the second electrode. A through hole (10) is provided in the middle of the second guide portion (5). A back electrode is disposed on the back side of the electrode substrate, specifically including a back pin (11), a back guide portion (12), and an electrode modification ring (13). The back guide portion (12) is provided with a through hole (10), and the electrode modification hole (9) is provided inside the inner ring of the electrode modification ring (13).

The utility model discloses a copper coil ultra-short lead cutting die, which belongs to the technical field of winding dies, and comprises a left die assembly and a right die assembly, the left die assembly comprises a left die fixing seat arranged at the left end, a winding baffle is arranged on the right side of the left die fixing seat, a cutter platform is arranged in the center of the winding baffle, and the cutter platform is arranged on the right side of the left die fixing seat. The right mold assembly comprises a right mold fixing base arranged at the right end, and a right mold working assembly is arranged on the left side of the right mold fixing base. By the adoption of the copper coil ultra-short lead cutting die, the coil ultra-short lead can be efficiently and accurately cut, secondary machining is avoided, and the product quality and the production efficiency are improved.

This invention discloses a fully automatic assembly machine for oxygen delivery tubes, belonging to the field of oxygen delivery tube assembly technology. It includes a support plate and a vertical shaft mounted on top of the support plate. A sleeve is fitted around the outer side of the vertical shaft, and a turntable is fitted around the outer side of the sleeve. Multiple slots are evenly distributed on the outer circumference of the turntable. Clamping units are respectively provided at both ends of the oxygen delivery tube. By setting multiple limiting rods, when the connecting rods and sliders at both ends of the oxygen delivery tube approach the same limiting rod, the limiting rods can limit the connecting rods and sliders, preventing them from moving. This ensures that both ends of the oxygen delivery tube are on the same circumference, thereby ensuring that the lengths left at both ends of the oxygen delivery tube during the winding process are equal, avoiding secondary processing of the oxygen delivery tube later, and improving the efficiency of oxygen delivery tube assembly.

The present invention relates to the technical field of resource utilization of construction waste, and in particular to a method for treating construction waste. In the present invention, a crusher is first used to crush the waste to reduce the size of the waste for subsequent treatment, and then a wind separator is used to separate light substances in the waste, and waste paper, plastics and the like in the waste are separated from heavy substances such as concrete by wind power. A magnetic separator is used to adsorb magnetic substances in the waste, and then the remaining waste is subjected to vibration screening treatment to obtain aggregates of different specifications. Based on the size of the waste after the vibration screening treatment, whether the treatment process is qualified is analyzed, thereby ensuring the quality of the screened materials, avoiding secondary treatment due to unqualified quality, and improving the treatment efficiency of the construction waste. The present invention collects images of the screened construction waste, determines the size of the waste according to the area of ​​the treated construction waste in the image, and improves the analysis efficiency.

The invention discloses a railway engineering geology forward mapping method and system based on implicit modeling. The method comprises the following steps: establishing an initial database; constructing a three-dimensional space data scalar field based on the initial database, and extracting a geologic body boundary contour surface to obtain an initial three-dimensional geologic model; inputting geometric elements in the artificially-filled vertical section diagram, the artificially-filled cross section diagram and the plane diagram into the initial database to obtain an updated database; dynamically updating the initial three-dimensional geologic model based on the updated database to obtain an updated three-dimensional geologic model; sectioning the initial three-dimensional geologic model or the updated three-dimensional geologic model to obtain a longitudinal section diagram and a cross section diagram of the forward design result of the railway engineering geology; and then the sectioned data is converted into the engineering geological map in the CAD format, and the engineering geological map meeting the new line scheme is dynamically updated and regenerated when the line scheme changes, so that repeated labor caused by line adjustment is reduced, and the working efficiency is improved.

The invention belongs to the technical field of agriculture and animal husbandry, and particularly relates to a high-efficiency animal bone crusher which comprises a crusher shell, a crushing mechanism and a crushing mechanism. A crushing cavity, a crushing cavity and a discharging cavity are formed in the crusher shell, the crushing cavity, the crushing cavity and the discharging cavity are communicated, a feeding port and a discharging port are formed in the crusher shell, the feeding port is communicated with the crushing cavity, and the discharging port is communicated with the discharging cavity; the crushing mechanism is mounted in the crushing cavity and is used for crushing bones; the smashing mechanism is installed in the smashing cavity and the discharging cavity and comprises a supporting plate, a plurality of supporting rods are connected between the supporting plate and the inner wall of the discharging cavity, and a smashing motor is installed on the supporting plate. According to the bone crusher, the sizes of bones treated by the bone crusher can be flexibly adjusted according to needs, so that the processing requirements of different bones are met, secondary treatment on the bones is avoided, the labor intensity is reduced, and meanwhile, the subsequent bone processing efficiency can be improved.