254results about How to "Improve production and assembly efficiency" patented technology

The invention discloses a centering and positioning fixture for automobile assembly, which comprises a positioning support provided with a workpiece positioning pin. A Z-directional support block is arranged at the bottom end of the positioning support; X-directional positioning pins are arranged on two sides of the positioning support positioned in the X direction of an automobile respectively; centering and positioning mechanisms are arranged on two sides of the positioning support positioned in the Y direction of the automobile respectively; and central lines of the centering and positioning mechanisms are overlapped. The centering and positioning fixture is used for centering and positioning workpieces when the workpieces are assembled, assembly adjusting time is shortened, assembly adjusting operation is decreased, the labor intensity of staff is reduced, errors of workpiece assembly are decreased, and production assembly efficiency, product quality and production efficiency are simultaneously improved.

The invention belongs to the technical field of sealants and particularly relates to a high-strength silane-modified polyether sealant for automobiles and a preparation method thereof. The high-strength silane-modified polyether sealant for automobiles comprises, by weight, 25-60 parts of a silane-modified polyether resin, 5-20 parts of an environment-friendly plasticizer, 15-30 parts of a bulkingfiller, 10-30 parts of reinforcing carbon black, 0-1 part of a thixotropic agent, 0-1 part of a UV absorber, 0-1 part of a light stabilizer, 0-2 parts of an antioxidant, 0-4 parts of a water removalagent, 0.2-0.8 parts of an adsorbent, 0.1-4 parts of a curing accelerator, 0.1-2 parts of an adhesion promoter and 0-1 part of a catalyst. The high-strength silane-modified polyether sealant solves the problem that the traditional silane-modified polyether sealant has low mechanical properties, improves the complicated construction process of the polyurethane sealant for the traditional windshieldglass, realizes primerless bonding, solves the problem that the polyurethane sealant for the traditional windshield glass produces foam at a high temperature and high humidity and solves the problemthat the polyurethane sealant for the traditional windshield glass has poor environmental friendliness.

The invention discloses a normally closed semiautomatic gas emergency cut-off magnetic valve comprising a magnetic coil assembly, a valve cover assembly, a valve body and an open valve handle assembly, wherein the magnetic coil assembly and the valve cover assembly are mutually blocked and can be disassembled; the valve cover assembly is in threaded connection and fixed with a gas inlet cavity of the valve body, the gas outlet cavity of the valve body is provided with the open valve handle assembly, the open valve handle assembly is fixedly connected with a check ring, the check ring is in threaded connection with a mandrel, a flat seal film is sleeved on a lower lug boss of the check ring, and a spring is sleeved on the excircle of the mandrel; a circuit board and a coil frame are arranged in the magnetic coil assembly, a charging capacitor is arranged on the circuit board, and a coil is coiled on the coil frame; a permanent magnet and a built-in iron core are arranged in the valve cover assembly; when the magnetic valve is energized, the capacitor is charged; when the magnetic valve is deenergized, the capacitor releases electric energy to lead the coil to work in order to generate an electromagnetic field which has opposite polarity with a permanent magnetic field, and the magnetic force of the permanent magnetic field is weakened to lead the spring to push the mandrel and the check ring to move in order to close the valve. The normally closed semiautomatic gas emergency cut-off magnetic valve is easier to replace the magnetic coil for being separating from the permanent magnet, has low power consumption, can be automatically closed and manually opened only when deenergized, can automatically recover when energized, and improves the safety.

The invention discloses a large and heavy numerical control static-pressure revolving platform. In the invention, a constant-current static-pressure closed guide rail is used for axial unloading and positioning; a constant-current opposed oil cavity is used for radial positioning; a radial damping oil cylinder is used for locking and applying Coulomb frictional damping; a double-lead worm gear isused for precision scale division; a closed loop control system consists of round gratings; and the revolving platform has high scale division accuracy, repeated location accuracy, heavy load and high rigidity and can realize accurate location at any angles and bear heavy cutting load. The large and heavy numerical control static-pressure revolving platform disclosed in the invention mainly comprises six parts of a supporting part, a scale division rotating part, a closed guide rail part, a worm part, a round grating full closed loop part and a radial locking part. The processing and assembling process of the large and heavy numerical control static-pressure revolving platform can improve the accuracy and the production efficiency of the static-pressure revolving platform, reduce the manufacturing cost and meet the requirement of the industrialization of large high-grate numerical control machine tools in China for large and heavy numerical control static-pressure revolving platforms.

The invention provides an interlocking assembly and a cooking utensil. The interlocking assembly comprises a door hook, an interlocking support, an interlocking rotary block, a positioning torsional spring and a buffer device. According to the scheme, the buffer device is additionally arranged on the basis of an existing interlocking assembly, a door body is in an open state, the interlocking rotary block is in an unlocking position, and the door hook and the interlocking rotary block are separated; and in the door closing process, the door hook abuts against the interlocking rotary block and then pushes the interlocking rotary block to rotate, the buffer device applies resistance to the interlocking rotary block in the process that the interlocking rotary block rotates to a locking position from the unlocking position, momentum of the door body is reduced so that impact to a box body front plate can be reduced when the door body is closed, and thus the problem that paint of the box body front plate or the door body is peeled off due to the fact that door closing force of a user or a tension hinge is too large is solved.

The invention relates to a jig for positioning a radiating fin so as to assemble the radiating fin, in particular to a jig for positioning a radiator assembly so as to assemble the radiator assembly. The jig comprises a main box body provided with a circuit control device and at least one positioning device for clamping a radiator. The positioning device comprises a concave guide positioning piece, two clamping blocks and two cylinders, wherein the concave guide positioning piece is fixedly locked on the main box body by a screw assembly, and both relative sides of both side walls of the concave guide positioning piece are provided with guide grooves; both corresponding positions of both side surfaces of each clamping block are provided with tenons; the two cylinders are fixedly locked to the relative side surfaces of the guide positioning piece of the clamping blocks respectively and connected to the circuit control device by a wire. The two clamping blocks are pushed by the two cylinders to move face to face or in the opposite direction so that a clamped, positioned or assembled main plate of the radiating fin is smoothly taken out; the jig can be also provided with a plurality of positioning devices for simultaneously positioning and assembling a plurality of radiating fins, thereby saving the assembly time and improving the assembly and manufacture efficiency.

The invention provides a steam exhausting system and a steam cooking device. The steam cooking device comprises an outer shell and a cooking chamber arranged in the outer shell, wherein steam exhaust ports are formedina chamber wall of the cooking chamber. The steam exhausting system comprises a steam exhausting box, wherein the steam exhausting box is fixedly mounted on an outer wall of the cooking chamber and is in sealing connection with the chamber wall of the cooking chamber; a through hole is formedinthe outer shell; the steam exhausting box locally penetrates through the through hole and extends out of the outer shell; a steam channel is arranged in the steam exhausting box; a steam inlet of the steam channel is communicated with the steam exhaust ports; and a steam outlet of the steam channel is located on the part of the steam exhausting box extending out of the outer shell. The steam exhausting system provided by the invention has the advantages that the structure is simple, the cost is low, the mounting is convenient, the production efficiency of the steam cooking device product is promoted and the production cost of the product is lowered. Besides, according to the invention, the steam outlet is formed on the part of the steam exhausting box extending out of the outer shell, so that the user can easily scrub the steam outlet part and the problem of difficulty in cleaning and even incapability of cleaning the steam outlet of the present steam cooking device product can be solved.

The invention discloses a device for automatically installing blades on an oil pump motor. One side is equipped with a visual inspection mechanism that can automatically identify the front and back of the blade; the pick-up and discharge mechanism includes a vertical plate, a column, a rotating arm, and a rotating cylinder. The feeding mechanism and the blade pressing mechanism are respectively arranged on both sides of the installation vertical plate, and the blade pressing mechanism includes a lifting cylinder and a limit block. The invention is compact and easy to use, and can automatically load the blades of the oil pump, automatically identify the front and back, and automatically install them into the pump body.

The invention relates to a bladeless fan which comprises a base and a fan chimney arranged at the upper end of the base. An air inlet is formed in the side face or the bottom of the base, an impellerand a motor for generating airflow are arranged in the base, a big-end-down flared air outlet is formed in the upper end of the base, a connecting sleeve is arranged at the lower end of the fan chimney, a big-end-down flared air inlet hole is formed in the connecting sleeve, a large end of the flared air inlet hole is connected with a small end of the flared air outlet of the base, a small end ofthe flared air inlet hole is connected with a bottom opening of the fan chimney, a vertical channel for receiving the airflow is arranged in the fan chimney, the center of the vertical channel and thecenters of the flared air inlet hole and the flared air outlet are positioned on the same straight line, at least one row of longitudinally distributed air outlet narrow slits are formed in the surface of the fan chimney, and the airflow received by the vertical channel is jetted outwards from the air outlet narrow slits. The bladeless fan has the advantages of balanced and stable airflow, stability, comfort, high flow, strong wind power, reasonable structure, attractive appearance, low noise, convenience in disassembly and assembly and the like.

The invention discloses an interval theory-based geometric precision optimization allocation method for a precision horizontal machining center. The method comprises the following steps of (1) based on a multi-body system kinematics theory, building a mapping model between geometric errors and space errors of a machine tool; (2) based on an interval theory, performing sensitivity analysis on error sources; (3) based on the interval theory, building an interval optimization allocation model; and (4) based on a genetic algorithm, performing solving by applying MATLAB software to realize geometric precision optimization allocation. According to the method, the error sources difficult to realize are relaxed to a maximum feasible interval, so that the production cost is greatly reduced and the production and assembly efficiency of the machine tool is improved.

The invention discloses an asynchronous punching process for coated conductive foam, which includes the steps as follows: forming is carried out: conductive hot melt cloth and PU foam are passed through a limiting fixture, a heating mold and a cooling mold of a conductive foam forming machine in turn; the coated conductive foam is pulled out by a conveyor belt; the conductive foam passes through aback glue fixture, a first roller rolls up to remove a piece of release paper thereof, and a second roller drives a first release film to fit the conductive foam; a first asynchronous motor rolls upthe first release film; a second asynchronous motor drives a second release film to fit the conductive foam; a punching machine punches the conductive foam according to the product characteristic demand; and a synchronous motor coils the finished conductive foam after punching. The original step-by-step coating forming replaced by the online integrated forming, and through conveying, punching andasynchronous winding, the difficulty that coated conductive foam cannot be wound in a traceless way and cannot be batch-grasped and pasted for SMT use is solved. The process loss, raw material loss and leftover material loss are greatly reduced, and the efficiency of production and assembly is improved.

The invention discloses an inflator embedded with a pressure gage, and the inflator comprises a base with an assembling hole, an inflating hose connected at the base, a cylinder butt-jointed with the assembling hole, a piston rod which can spurt the cylinder in a reciprocating manner to enable an air outlet hose to output pressurized gas, and a pressure gage installed in the cylinder, wherein an embedding groove is concavely arranged at the periphery of the cylinder along the axial direction; the assembling hole of the base is provided with a shutting nozzle communicated with the air outlet hose in the range of the embedding groove; the pressure gage is provided with an indentation part stretching over the embedding groove so as to be folded at the periphery of the cylinder; the indentation part is protrudingly provided with a hooking block which can extend into the embedding groove for positioning, so that the pressure gage can not be withdrawn from the embedding groove radially; the pressure gage is further provided with a pressure measuring nozzle opposite to the shutting nozzle; a decorative plate which can be inserted into the embedding groove is arranged between the pressure gage and the base; the pressure gage and the decorative plate can completely seal the embedding groove; and the back surface of the decorative plate is provided with a vent hole which can be communicated with the shutting nozzle and the pressure measuring nozzle.

The invention discloses a draft gear of a bogie. The draft gear comprises a traction central pin, a traction central seat, a traction rubber pile, anti-overfilling dogs and a lifting pad, and the draft gear further comprises a lifting pad which is fixedly arranged at the lower part of the lifting pad, wherein the outer diameter of the lifting pad is larger than a space between the anti-overfilling dogs, the maximum width of the traction central seat is smaller than the space between the anti-overfilling dogs, the anti-overfilling dogs are arranged at the middle lower position of a mounting hole wall of the draft gear of the bogie, and the lifting pad and the anti-overfilling dogs are matched to realize a lifting operation. According to the draft gear of the bogie, disclosed by the invention, based on the original structure, on the premise of not changing other component joints of the bogie, the structure of the bogie is optimized so that the draft gear can be assembled without overturning the bogie; and therefore, a bogie overturning assembly step is omitted, the assembly process is simplified, the production efficiency is improved and the production cost is saved.

The invention discloses an opening and closing mechanism assembly for an inner cover plate of a glove compartment of a vehicle, comprising a mounting base connected on the inner cover plate, wherein cassettes, chock blocks and a gear shaft for mounting a lock gear are arranged on the mounting base, two lock pull rods, namely a left lock pull rod and a right lock pull rod, are oppositely arranged at the upper and lower sides of the mounting base side by side, and the lock pull rods are movably mounted on the mounting base respectively through the cassettes and can move left and right along the mounting base; racks are respectively arranged on the lock pull rods, and the two lock pull rods are in meshing connection with the lock gear mounted on the gear shaft respectively through the racks; a spring is arranged on the mounting base and is respectively connected with the mounting base and the left lock pull rod; and the chock blocks are arranged on the positions opposite to the racks on the lock pull rods and used for limiting meshing clearances between the racks and the lock gear. By reasonably arranging assembly clearances among the parts, part structures are optimized, interference of the parts in the opening and closing mechanism is avoided in an assembly process, and the problem of unsmooth motion of the mechanism is effectively solved.

The invention relates to a device for thread machining and sleeve installation of reinforcing steel bars. The device comprises a reinforcing steel bar input mechanism, a reinforcing steel bar output mechanism, a reinforcing steel bar fixing mechanism, a sleeve installation mechanism and a thread chasing mechanism, wherein the sleeve installation mechanism, the thread chasing mechanism and the reinforcing steel bar fixing mechanism are arranged between the reinforcing steel bar input mechanism and the reinforcing steel bar output mechanism; the sleeve installation mechanism and the thread chasing mechanism can move relative to the reinforcing steel bar fixing mechanism. The device integrates the thread machining and the sleeve installation of the reinforcing steel bars, realizes the automatic processing production of the straight reinforcing steel bars, reduces the processes, greatly reduces the labor cost and improves the construction efficiency.

The invention discloses a medical atomizer. The medical atomizer comprises a drug storage device, a fog collecting tank and an atomization generating assembly; an accommodating cavity is formed between the lower portion of the drug storage device and the fog collecting tank and used for accommodating the atomization generating assembly; the atomization generating assembly comprises a sealing sleeve and an atomizing sheet; the fog collecting tank is shaped like a spindle. The medical atomizer is convenient to produce and assemble and high in drug utilization rate.

The invention discloses a sleep monitor and a control box thereof. The control box of the sleep monitor is used for being fixedly connected with one end of a flexible detection belt of the sleep monitor, and comprises a box body. An opening for the other end of the flexible detection belt to be guided out is formed in one end of the box body. The box body comprises a first shell body and a second shell body which are combined. First protruding ribs used for pressing the flexible detection belt are arranged on the inner bottom face of the first shell body. Second protruding ribs used for pressing the flexible detection belt are arranged on the inner bottom face of the second shell body. The first protruding ribs and the second protruding ribs are arranged in a staggered mode in the direction close to or away from the opening. The control box further comprises a magnetic attraction positioning device which is used for attracting the first shell body and the second shell body and defining the covering position when the first shell body and the second shell body are combined. The fixed connection between the control box and the flexible detection belt is simplified, the number of parts used in products is decreased, the product cost is reduced, and the production assembling efficiency and quality are improved.

The invention relates to an osteotomy positioning device,. The device comprises an extramedullary positioning rod, an osteotomy plate, a first adjusting mechanism, a ankle holding device and a secondadjusting mechanism, wherein the upper end of the extramedullary positioning rod is provided with an osteotomy fixing seat, the osteotomy plate is arranged on the osteotomy fixing seat and used for positioning the osteotomy position of a tibial plateau, the first adjusting mechanism is arranged between the extramedullary positioning rod and the osteotomy fixing seat and used for adjusting the distance between the osteotomy fixing seat and the upper end of the extramedullary positioning rod, the ankle holding device is arranged at the lower part of the extramedullary positioning rod and is usedfor wrapping and fixing an ankle joint, and the second adjusting mechanism is arranged on the extramedullary positioning rod and used for adjusting the length of the extramedullary positioning rod. According to the device, fixing nails do not need to be punched on the tibial plateau for fixing, and the damage to sclerotin of a patient is reduced; the position of the osteotomy plate can be rapidlyand accurately adjusted to adjust osteotomy errors, and the implementation efficiency of surgical operation is improved; and the osteotomy plate can be assisted to be fixed in real time through the fixing effect of the extramedullary positioning rod and the ankle holding device, it is guaranteed that the position of the osteotomy plate is stable enough in the osteotomy operation process, and theaccuracy of osteotomy operation is improved.

The invention discloses a switch circuit breaker structure. The switch circuit breaker structure comprises a shell, a hand control mechanism, a connecting rod, a clamping plate, a moving contact arm, a tripping rod, a pawl, a supporting shaft and a push rod, wherein a first rotary shaft and a second rotary shaft are formed on the pawl in an integral injection molding mode, and are arranged on the two sides of the pawl respectively, and the pawl is connected to the clamping plate through the first rotary shaft and the second rotary shaft in a rotatable mode. When the switch circuit breaker structure is assembled, assembly can be accomplished only by using the first rotary shaft and the second rotary shaft to assemble the pawl on the clamping plate, shafts or shaft sleeves are omitted, and installation accuracy of parts is improved; the number of the parts of the switch circuit breaker structure is reduced, and production efficiency, assembling efficiency and quality are improved.

The invention relates to a clamping and rotating device. The clamping and rotating device comprises a driving rotary disc, a driven rotary disc and a rotary disc driving part, wherein the driving rotary disc is an annular disc; the driven rotary disc is arranged in the driving rotary disc; the driving rotary disc is coaxial with the driven rotary disc; mounting shafts and limiting parts are respectively arranged on the driving rotary disc and the driven rotary disc; the driving rotary disc is connected with the driven rotary disc through a plurality of cranks; the cranks are symmetrically arranged along the center of the driven rotary disc; one end of each crank is articulated with each mounting shaft; a clamping part is arranged on each crank; the clamping parts of the plurality of cranksare used for forming a clamping space; a guide curved groove is formed in each crank; a limiting part is arranged in each guide curved groove; the rotary disc driving part is capable of driving the driving rotary disc to rotate and drive the clamping parts to move to the center or the periphery of the driven rotary disc. The clamping and rotating device is capable of providing certain pre-tightening force to sleeves in the process of mounting the sleeves, so that the mounting strength of the sleeves can be ensured; meanwhile, the sleeves can be directly driven to rotate, so that the sleeves and steel bars can be mounted and butted; the technical problem that the sleeves are clamped and mounted is solved; the producing and assembling efficiency is improved.

The invention provides a liquid reservoir and a compressor, wherein the liquid reservoir comprises a shell and an air outlet pipe; a chamber is defined in the shell; the air outlet pipe is fixedly mounted at the bottom end of the shell, communicates with the chamber and is provided with an insertion pipe section inserted into the chamber; the insertion pipe section can stretch and is provided with a buoyancy device capable of floating in a liquid refrigerant; and the buoyancy device lifts along with the lifting of the liquid level of the liquid refrigerant so that the insertion pipe section stretches along with the lifting of the buoyancy device. Due to the stretching design of the air outlet pipe, the liquid reservation effect of the liquid reservoir can be guaranteed, and meanwhile, the vibration and noise of the air outlet pipe can be reduced.

The invention discloses a bending high-voltage shielding plug, and relates to the electric connector field of the electric appliance field of new-energy vehicles, industrial equipment, urban rails and railway vehicles. The bending high-voltage shielding plug comprises a shell assembly, a contact piece, an installation plate assembly and a tail accessory. The shell assembly is composed of a locking handle, a locking block, a plug shell, a seal ring and a signal pin. Locking and unlocking of a connector are achieved by adopting a mechanism which can convert handle rotation motion into rectilinear motion of the plug shell relative to a socket shell, the electric connector can be normally used on the condition that the operation space is narrow, the problem that a locking mode of a traditional electric connector cannot be normally used in the narrow operation space is solved, and meanwhile the handle has the power-assistant effect so that the operability of the connector is improved.