35results about How to "Avoid subsequent processing" patented technology

The invention relates to a cast bronze alloy material, in particular to a cast bronze alloy material for a nuclear turbine valve body. The alloy material comprises the following components in percent by weight: 0.5 to 1.5 percent of nickel plating silicon carbide, 15 to 17 percent of aluminum, 4 to 5.5 percent of iron, 0.5 to 1.5 percent of manganese, 0.5 to 1.2 percent of nickel, 0.2 to 0.7 percent of lanthanum or cerium, and the balance copper and inevitable impurities. The strength and the hardness of the alloy material can be realized without the need for further forging or heat treating alloy, the production cost is reduced, the production process is simplified, and the requirement on the material for the nuclear turbine valve body is met. The invention further relates to a preparation method of the cast bronze alloy material.

The invention discloses silver contact chip automatic-welding equipment which comprises a main box of the silver contact chip automatic-welding equipment and a control box, wherein the control box isconnected with the main box of the silver contact chip automatic-welding equipment; the main box of the silver contact chip automatic-welding equipment is instituted by a multi-station indexing plateas well as a silver contact chip feeding mechanism, a silver contact point feeding mechanism, a silver contact point welding mechanism, a silver contact chip tension testing mechanism, a support sheetfeeding mechanism, a support sheet welding mechanism and a sorting-discharging mechanism which are positioned around the multi-station indexing plate and sequentially arranged according to the clockwise direction; one and the same feeding mechanism is selected as the silver contact chip feeding mechanism and the support sheet welding mechanism; and one and the same electrode rotation welding mechanism is selected as the silver contact point welding mechanism and the support sheet welding mechanism. By adoption of the silver contact chip automatic-welding equipment provided by the invention, the production of silver contact chips can be automatically completed; the automation degree of the silver contact chip automatic-welding equipment can be greatly improved; the product quality and theproduction efficiency can be improved; and the production risk of an enterprise can be further reduced.

The invention provides a detection structure suitable for detecting source and drain conduction. The detection structure is arranged on a substrate, and comprises at least one polygonal active area ring of which horizontal section is hollow; at least one polycrystalline silicon grid is arranged on each active area ring; and the polycrystalline silicon grid and the active area rings on two sides of the polycrystalline silicon grid form a metal oxide semiconductor (MOS) structure. The detection structure is suitable for detecting the voltage contrast of epitaxial metals by using an E-beam detection method; and by observing the brightness degree, whether source and drain conduction exists in the detection structure can be clearly displayed, and whether source and drain conduction exists on a wafer can be further judged. Because the problem is early discovered, unnecessary subsequent processing for waste products can be avoided.

The invention relates to the technical field of rice processing, in particular to a screening device for rice processing. The screening device comprises a storage hopper, wherein sieved small-particle materials are mounted on the lower side of the storage hopper, sieved large-particle materials are mounted on one side of the sieved small-particle materials, a support frame is arranged on the lower side of the sieved large-particle materials, a filter residue collecting box is arranged on the lower side of the sieved small-particle material, an exhaust fan is installed at the upper end of the other side of the sieved small-particle material, a cloth cylinder filter bag is installed at the outer end of the exhaust fan, a hulling component is installed at the lower end of the interior of the storage hopper, a feeding net is installed at the joint of the storage hopper and the sieved small-particle material, and a screen is mounted at the upper end of the interior of the sieved small-particle material. The screening device is of a closed structure, dust floating in the screening process is avoided, circulating dust filtration is achieved, the dust filtration efficiency is high, rice before screening is hulled, the hulling structure is elastic mixing and stirring blades, and the integrity of the rice is guaranteed.

The invention relates to a centralized optical fiber end grinding and cleaning device which comprises a circulating water tank and a grinding chamber. The circulating water tank is communicated with the grinding chamber through a circulating pump, the grinding chamber comprises a grinding groove, an optical fiber positioning frame, a driving water wheel, at least one grinding roller and a driving device, wherein the cross section of the grinding groove is in a shape of a Chinese character 'ao', the driving water wheel is located at the bottom of the grinding groove, the grinding roller is located in the grinding groove and located under the circulating water level, the optical fiber positioning frame is embedded into the upper end face of the grinding groove, at least four optical fiber positioning holes are distributed in the optical fiber positioning frame in a rectangular array mode, optical fiber positioning clamps are additionally arranged at the positions of the optical fiber positioning holes, and the driving device is located outside the grinding grooves and is connected with the driving water wheel and the grinding rollers respectively. In addition, the centralized optical fiber end grinding and cleaning device has grinding and cleaning functions, the surface cleanness and finish degree of optical fiber ends can be greatly improved, noise and dust pollution easily caused in the optical fiber end grinding process is effectively avoided, and optical fiber machining operation environment is greatly improved.

The invention discloses a card and instruction leaflet overlaying and sticking device in a smart card packaging machine. The card and instruction leaflet overlaying and sticking device comprises an instruction leaflet conveying mechanism, a sticking mechanism and a card conveying mechanism. The card conveying mechanism comprises a supporting frame, a card catching mechanism and a driving mechanism; the card catching mechanism comprises a card catching assembly and a card catching power mechanism which drives the card catching assembly to move in the vertical direction, and the card catching assembly comprises an adhesive disk which is used for catching cards; the card catching power mechanism is connected to the driving mechanism; the sticking mechanism comprises a support, an adhesive tape releasing rotating disk, an adhesive tape recycling rotating disk, a pressing device for pressing the adhesive tape onto the instruction leaflet, a rotating power mechanism and a vertical power mechanism, wherein the pressing device comprises a pressing block. According to the smart card packaging machine, the cards are stuck onto instruction leaflets by the card and instruction leaflet overlaying and sticking device, the cards and the instruction leaflets are put into a packaging film at the same time, and therefore packaging time is reduced, production efficiency is improved and productioncost is lowered.

The invention relates to the technical field of capacitor design manufacturing, in particular to a linear capacitor welding machine. The machine comprises a rack, a vertical plate, a driving part, a driving chain wheel, a driven chain wheel, a chain and a tensioning mechanism, wherein the vertical plate is sequentially provided with a capacitor feeding mechanism, a laser cutting mechanism, a ballwelding mechanism, an insulating pad sleeving mechanism, an electrode piece feeding welding mechanism and a discharging mechanism in the moving direction of the chain, the chain comprises a pluralityof clamp chain links and flat chain links connected alternately, one sides of the clamp chain links are provided with first stop edges, the other sides of the clamp chain links are provided with second stop edges, positioning grooves are formed between the first stop edges and the second stop edges, and piezoelectric microactuator pieces are arranged between the positioning grooves and the first stop edges. According to the machine, full-electric-driving is adopted, the high-rigidity chain is automatically tensioned, high-precision and high-speed of a system are ensured, and a lead is cut offin a laser cutting mode, so that the situation that the subsequent machining is influenced by the deformation of the lead caused by mechanical cutting is avoided.

The invention discloses a rolling machine facilitating sand and stone stirring. The rolling machine comprises a round casing, wherein support legs are fixedly connected with two sides of the bottom ofthe round casing, a shell is fixedly connected with the lower side between the two support legs, a motor is fixedly connected with the center of the top of the shell, an output end of the motor is fixedly connected with a cylinder, the top of the cylinder penetrates through the bottom of the round casing and extends into the round casing, connecting rods are fixedly connected with two sides of the cylinder, a rolling wheel is movably connected with one end, away from the cylinder, of each connecting rod through a bearing, the bottom of each rolling wheel is contacted with the bottom in the round casing. Through cooperated use of the round casing, the motor, long plates, compression springs, vertical plates, the cylinder, the connecting rods, the rolling wheels, sheet plates, tension springs, long blocks, rollers, long rods, thick rods and oblique plates, the rolling machine facilitating sand and stone stirring can well stir sand and stone, the sand and stone are uniformly rolled, andfollowing processing treatment for the sand and stone is avoided.

The invention relates to a support unit for housing a drive unit of a closing or protective device in an anti-torque manner. The mounting unit has a retaining member having a special-shaped housing member; and a connecting member matching the special-shaped housing member, the connecting member being connectable to a driving unit. The retaining member provides a first housing position and a secondhousing position for the connector, so that the connector can be tightened in the first housing position relative to the retaining member in the second housing position to overcome the torque. Undera force for overcoming the retaining force, the connector is movable between the first housing position and the second housing position. The invention also discloses a closing or protective device anda tool-less method for stopping the anti-torque system of the drive unit of the closing or protective device.

The invention relates to the technical field of capacitor design and manufacturing. A linear circulating production line mode is adopted as a whole; the top end of each clamp chain link 21 is providedwith a set of capacitor fixing clamps composed of a first flange 23, a second flange 24, a positioning groove 25 and a piezoelectric micro-motion piece 26; a capacitor feeding mechanism 4, a laser cutting mechanism 5, a ball bonding mechanism 6, an insulating pad sleeving mechanism 7, an electrode plate feeding and welding mechanism 8 and a discharging mechanism are arranged on the vertical plates 11 on the two sides of the chain 2 respectively, and the processes of feeding and fixing of the capacitor, lead cutting, ball welding, insulating pad sleeving, electrode plate sleeving and welding are respectively completed. Full-electric driving is adopted, a high-rigidity chain is automatically tensioned, and high precision and high speed of a system are guaranteed; and the lead is cut off ina laser cutting mode, and the situation that deformation of the lead caused by mechanical cutting influences subsequent machining is avoided.

The invention provides an automatic detecting method of breakage of an elbow bulb of a passenger vehicle exhaust system, and is used for solving the problem that an existing bulb is broken and enters a pipe body, and the state is difficult o observe. An exhaust elbow device is arranged, and is provided with a tension oil cylinder and an elbow mechanism, wherein the tension oil cylinder is connected with a tension shaft in a driving mode; the tail end of a tension shaft is provided with an elbow bulb; the tension shaft is provided with a tension sensor which controls a detector in a connecting mode by a circuit. The automatic detecting method comprises the following steps: (1) performing straight pipe bending operation; (2) starting an automatic detecting function; (3) implementing a learning mode so as to obtain the normal running tension range value; and (4) implementing the detecting stage of the tension oscillation range, judging that the elbow bulb is broken, and controlling the detector to alarm or stop. According to the method, waste products caused by stop of bulbs are prevented; further the subsequent processing of defective products is stopped; the yield of finished products is ensured; the economic loss is reduced; the working efficiency and the utilization ratio of production resources are improved.