45results about How to "Meet the needs of subsequent processing" patented technology

The invention relates to a method for preparing a mid-high voltage corrosion foil by using pulse DC superposed current. The method comprises the following steps of first pretreatment, second pretreatment, first-stage hole generation, intermediate treatment, second-stage hole generation and after-treatment. According to the method, an oxidation film on the surface of an aluminum foil is removed by strongly alkaline solution via the first pretreatment, residual alkaline solution on the surface of the aluminum foil is neutralized by strongly acid solution via the second pretreatment, holes are generated by a pulse DC superposed current method via first-stage hole generation, radius and depth of the holes are further enlarged by direct current via intermediate treatment, and residual aluminum ions on the surface of the aluminum foil are chemically eroded by after-treatment via second-stage hole generation. The whole technical process is simple, adaptability to change of corrosion tank liquid is high and the generated corrosion holes are uniform and smooth so that electrostatic specific volume of the corrosion foil is greatly enhanced, mechanical property is excellent, and the limit that the hole generation process in the conventional corrosion technology cannot be performed in case of power outage is solved.

The invention provides a method for the RFI (radio frequency interference) suppression and error correction of a low-frequency SAR (synthetic aperture radar). The technical scheme comprises five steps of: step 1, receiver frequency characteristic error correction based on an echo; step 2, distance spectrum equalization suppression and SAR imaging based on a corrected time-frequency domain echo; step 3, registration based on a time domain image; step 4, RFI detection and suppression based on a time-frequency domain; and step 5, residual error correction. The method provided by the invention can solve the RFI detection and suppression of a double-channel low-frequency SAR interferogram, as well as various error correction problems, increase the performance of an along-track interferometry method, and lay a good foundation for the follow-up associated processing.

The invention discloses a Schmidt roof prism processing method and a positioning tool thereof, and belongs to the technical field of optical prisms. In the positioning tool, a first backrest positioning block with a first backrest positioning surface and a second backrest positioning block with a second backrest positioning surface are fixed on the upper surface of a substrate, the first backrestpositioning surface and the second backrest positioning surface are perpendicular to the upper surface of the substrate, and a prism side processing block is positioned above the substrate and provided with a prism side processing surface perpendicular to the upper surface of the substrate. The processing method includes the steps: firstly, processing a first side surface of a prism, and positioning and processing a second side surface of the prism through the positioning tool; secondly, positioning and initially processing two roof surfaces through the positioning tool; finally, taking one roof surface as a standard to grind the other reference surface, and enabling the accuracy of a roof angle to be within 1''. According to the method, process steps are optimized without changing an existing processing device, the method ensures that the processed roof angle is within 1'', the accuracy of surfaces is high, technical requirements are low, and production efficiency is high.

The invention discloses a buffer detachable punching head. The buffer detachable punching head comprises a punching head seat, and is characterized by further comprising a blade and a buffer gasket; an opening is formed in the front end of the punching head seat; an open slot is respectively formed in each of two sides of the opening of the punching head seat; a convex reverse buckle is respectively arranged on each of two sides of the rear end of the blade; the reverse buckles on the two sides are matched and tightly clamped with the open slots on the corresponding sides; the buffer gasket is sleeved on the part, extending out of the opening, of the blade; the buffer gasket is made of rubber material; the thickness of the buffer gasket is 0.5cm; rounded angles are formed in the two sides of the processing end of the blade. The buffer detachable punching head solves the problems that the punching head is integrally formed, the blade is gradually consumed and damaged due to abrasion so as to cause that the whole punching head is scrapped, the punching head needs be replaced, the use cost is greatly increased, the punching head is used for punching products so as to be easily damaged, burrs are formed on the broken surfaces of the products, and the product quality is reduced. The invention provides the buffer detachable punching head which is convenient to use, capability of dismantling the blade and reducing the cost and improving the quality.

The invention discloses a direct-current partial discharge testing system for extra-high-voltage power transmission and transformation equipment. The direct-current partial discharge testing system comprises a direct-current partial discharge measurement module, a direct-current high voltage generator module for partial discharge measurement and a non-partial-discharge and partial-discharge coupling module for partial discharge measurement which are electrically connected. In the system, a hardware pipeline formed by a CPLD chip and an FIFO memory chip runs synchronously at the high speed of A/D sampling, so it is guaranteed that a hardware system is able to read while carrying out high-speed sampling under the condition that main waveform data of partial discharge is retained, thereby realizing long-term continuous storage and analysis of partial discharge data. In addition, a windows platform mass memory is used to cache the partial discharge data read from the FIFO memory chip, so as to meet the need of follow-up processing.

The invention provides a non-contact robot gripper and belongs to the technical field of mechanical grippers. The non-contact robot gripper comprises a robot, a frame and a plurality of non-contact suckers. According to the non-contact robot gripper, an arm of the robot is connected with the frame with the multiple non-contact suckers, and the bottom of a sucker body of each non-contact sucker isprovided with an annular groove and a third channel which is tangentially arranged along the side wall of the groove and communicates with the groove, so that gas can flow out from the third channel in the tangential direction of the side wall of the concave cavity and forms spiral motion under the constraint of the inner wall of the concave cavity, thereby generating vacuum suction force. A glasssubstrate is adsorbed, grabbed and transferred without contact, so that the problems of surface pollution, scratches, damage and deformation caused by contact are avoided, the quality of the glass substrate is guaranteed, the requirement of subsequent processing is met, and production and manufacturing of the glass substrate are facilitated.

The invention relates to the field of organic glass recycling, and relates to organic glass recycling process equipment. The organic glass recycling process equipment comprises a crushing device, a cracking device, a coarse product recycling device, a coarse product purifying device and a product recycling device which are sequentially arranged; the coarse product recycling device comprises a first-stage condenser, a second-stage condenser and a deep condenser; the coarse product purifying device comprises a cleaning part, a settling part and a rectifying assembly, the rectifying assembly comprises a heating kettle, a rectifying tower, a first condenser, a second condenser and a finished product tank which are sequentially connected with the settling part, and a head fraction tank and a tail fraction tank are further connected to the second condenser by being parallel to the finished product tank. The organic glass recycling process equipment conducts efficient crushing and thorough cracking on waste organic glass, and the obtained recycled materials are high in purity and meet subsequent processing requirements.

The invention belongs to the technical field of fiber processing technologies, and particularly relates to a fiber netforming device. The fiber netforming device comprises a base, the base is providedwith a material storage bin, the material storage bin is connected with a feeding mechanism through a vertical elevator, the lower side of the feeding mechanism is provided with a negative pressure rotating cylinder, through holes are evenly formed in the surface of the negative pressure rotating cylinder, the two ends of the negative pressure rotating cylinder are both rotatably connected with two exhaust pipelines through bearings, the vent ends of the two exhaust pipelines are connected to a same air collection pipeline, the air collection pipeline is connected with a first cross flow fan,the exhaust pipelines are erected on the base through two first brackets, the base is also provided with a first driving motor, and the first driving motor is in transmission connection with the negative pressure rotating cylinder through a first transmission mechanism; the base is vertically provided with two second brackets, and a conveying mechanism is arranged between the two first brackets and the two second brackets. The fiber netforming device has the advantages of being wide in application range, low in purchase, use and maintenance cost and suitable for popularization in middle and small fiber processing enterprises.

The invention discloses a cell pretreatment device, comprising a cell pre-positioning mechanism, shaping placement frames, a straightening mechanism, a cutting mechanism, a shaping pressing mechanism,and a shaping transfer component. The shaping pressing mechanism comprises a shaping pressing base, a shaping pressing sliding plate, a shaping pressing drive assembly, and a shaping pressing assembly. The straightening mechanism comprises a straightening bottom plate, a straightening pneumatic finger, a straightening clamping plate, and a straightening driving member. The cell pre-positioning mechanism includes a pre-positioning bracket, a pre-positioning belt assembly, a first pre-positioning reference plate, a second pre-positioning reference plate, a pre-positioning push plate, and a pre-positioning push drive device. The cell pre-positioning mechanism pre-positions a cell, transfers the pre-positioned cell to the first shaping placement plate corresponding to a processing station ofthe straightening mechanism, and the shaping pressing mechanism clamps and fixes the cell. The straightening mechanism firstly straightens tabs on the cell, and the cutting mechanism cuts the tabs that have been straightened on the cell.

An automatic conveying, cutting and molding device for conducting wires used for producing LED energy saving lamps is characterized by comprising a base and a molding block, wherein a lifting seat is arranged on the base, a first end of the lifting seat is provided with a conducting wire straightening roller group and a first cylinder seat, a first cylinder is fixed to the first cylinder seat, a second end of the lifting seat is provided with a sliding plate, the sliding plate can be pushed by a pushing head of the first cylinder to slide leftwards and rightwards on the lifting seat, and a first clamping mechanism, a second clamping mechanism, a conducting wire guiding seat, a molding die and a cylinder type cutter are arranged on the sliding plate. The automatic conveying, cutting and molding device further comprises a PLC, wherein the PLC can control the lifting seat, the first cylinder and the cylinder type cutter to finish conducting wire pushing, conducting wire molding and conducting wire cutting action. Through the skillful combination of the lifting seat, the sliding plate and the two clamping mechanisms, the automatic conveying, cutting and molding device realizes automatic straightening, 90-degree bending molding and cutting for the machining of L-shaped conducting wire sections. The automatic conveying, cutting and molding device is exquisite in structural design, high in efficiency and reliable in performance.

The invention relates to a feeding and discharging device for bearing outer ring machining. The feeding and discharging device comprises an air cylinder, an upper clamping jaw and a lower clamping jaw, the telescopic end of the air cylinder is downwards installed at the lower end of a telescopic cantilever of a truss mechanism, the lower clamping jaw is installed at the telescopic end of the lowerportion of the air cylinder, the upper clamping jaw is installed at the position, close to one side, of the lower portion of the air cylinder, the lower clamping jaw comprises a round rod and a cam block, one end of the round rod is horizontally installed on one side of the telescopic end of the air cylinder, and the cam block is installed at the other end of the round rod. The feeding and discharging device has the advantages that the cam block is designed at one end of the round rod, the cam block meets the requirements that when a large double-flange straight raceway bearing outer ring isclamped, the highest point of the cam block abuts against the middle of the inner side of the bearing outer ring, the bearing outer ring cannot incline in the hooking process, and the bearing outer ring cannot deflect when clamped to the upper clamping jaw finally, and the subsequent machining requirements of a grinding machine are met; and the original gravity rolling discharging mode cannot be met due to the design of the cam block, however, through the arc-shaped surface design and the installation position of the cam block, it is ensured that effective discharging can be achieved even if the front end of the round rod tilts, and the cam block cannot interfere with an annular catch of the bearing outer ring during discharging.

The invention discloses a preparation method of a plastic shower curtain with good air permeability, the preparation method is as follows: S01, metal aluminum powder, titanium dioxide powder, UV epoxyresin, ethylene glycol diacrylate, paraffin wax having a carbon number of 18-20, polypropylene mesh fiber and a photoinitiator are mixed to obtain a blending component; S02, the blending component isblended with PVC resin to obtain a multi-component masterbatch; and S03, the multi-component masterbatch is plasticized, extruded, cured and rolled to obtain the plastic shower curtain with good airpermeability. The plastic shower curtain with good air permeability prepared by the preparation method has a microscopic porous structure, and greatly improves the air permeability of a shower curtainproduct.