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59results about How to "Avoid affecting yield" patented technology

Diketene preparation device and diketene preparation method

ActiveCN104592172AEasy to condense and separateDowngradeOrganic chemistryAcetic acidAcetic anhydride
The invention relates to a diketene preparation device and a diketene preparation method. The diketene preparation device comprises an acetic acid evaporator, a mixer, a cracking furnace, a quenching condenser and an absorption tower. The outlets of the acetic acid evaporator and the mixer are connected with the cracking furnace; the cracking furnace is then connected with the multi-level quenching condenser; the quenching condenser is then connected with the absorption tower; one branch of the absorption tower is connected with a polymerization tank, and the other branch of the absorption tower is connected with a water absorption tower; and the outlet of the third-level quenching condenser is connected with the quenching condenser behind through a liquid ring pump. The diketene preparation device and diketene preparation method provided by the invention have the beneficial effects that when the cracked gas is pressurized, the impurities such as acetic acid, water and acetic anhydride in the cracked gas can be condensed out more sufficiently, and thus the quality of the cracked gas before entering the absorption tower is improved while the freezing level is lowered; and compared with the traditional technology in which the energy consumption accounts for 45% of the total cost of diketene, the device and method provided by the invention have the advantage that the energy consumption only accounts for 25% of the total cost of diketene through improvement.
Owner:QINGDAO UNIV OF SCI & TECH

Full-automatic soft-line sectional die-cutting machine and operating method thereof

The invention relates to a packing box processing device, in particular to a full-automatic soft-line sectional die-cutting machine and an operating method thereof. The full-automatic soft-line sectional die-cutting machine is simple in structure and is characterized in that two procedures of indentation and slitter edge removal of a plastic sheet are finished during one-time clamping to realize high-precision processing and high processing efficiency. The full-automatic soft-line sectional die-cutting machine comprises a rack and a controller, wherein a closed-cycle chain conveyor is arranged on the rack, a plurality of clamping and conveying mechanisms are uniformly distributed in the conveying direction of the chain conveyor, and a support wheel part at the head ends of the rack and the chain conveyor is a feeding end; and adjustment holes are formed in the two ends of stiffeners, adjustable bolts are arranged in the adjustment holes, and a stop block is arranged on the rear side of each adjustment hole. The full-automatic soft-line sectional die-cutting machine has the advantages that dents and cut edges are integrally formed, the borders of the cut edges are smooth, the dents are equal in depth, the processing efficiency is high and the structure is simple.
Owner:YANGZHOU SU PACK NEW MATERIAL TECH CO LTD

Aluminum profile conveyor

The invention belongs to the field of aluminum profile production equipment, in particular to an aluminum profile conveyor. The aluminum profile conveyor comprises a plurality of supporting power transmission mechanisms, an extrusion forming machine, a fixed anti-shaking mechanism and a burr cleaning mechanism; the supporting power transmission mechanisms are uniformly and closely arranged and consist of rotating discs, sliding blocks, springs, sliding brackets and string rubber strips; the rotating discs are arranged directly at the lower end of an aluminum profile; the sliding brackets are uniformly and fixedly arranged in the rotating discs; the number of the sliding brackets is two in total; the sliding brackets are symmetrically and oppositely arranged; sliding blocks are slidably arranged on the upper surfaces in the sliding brackets; the lower surfaces of the sliding blocks are fixedly connected with the springs; and the string rubber strips are fixedly arranged in the sliding blocks; the lower ends of that springs are fixedly connected to the inner centers of the rotating discs; and the springs are mainly used for fixing the sliding blocks to prevent the sliding blocks frombeing separated from a main body of the aluminum profile conveyor. The aluminum profile conveyor is mainly used for solving the problems that the parts of the aluminum profile are easy to bend and surface burrs are difficult to clean after extrusion molding.
Owner:昆山宏翔铝业有限公司

Reinforcing steel bar forming conveyor

The invention belongs to the field of reinforcing steel bar production equipment, and particularly relates to a reinforcing steel bar forming conveyor. The conveyor comprises a circulating smoothing mechanism, an extrusion forming machine, a fixing anti-shaking mechanism and a burr clearing mechanism, wherein the circulating smoothing mechanism comprises a fixing ring, the fixing ring is rotationally connected to the burr clearing mechanism, uniformly arranged supporting rods are fixedly connected to the inner wall of the fixing ring, transmission shafts are rotationally connected to the ends,away from the inner wall of a rotating ring, of the supporting rods correspondingly, servo motors are fixedly connected to the surfaces of the supporting rods, one ends of the transmission shafts arefixedly connected to driving shafts of the servo motors, the other ends of the transmission shafts are fixedly connected with rotary discs, the surfaces of the rotary discs are fixedly connected withstring rubber strips which are circumferentially and uniformly arranged, absorbing grooves are evenly formed in the inner walls of the ends, close to a steel bar, of the string rubber strips, and airholes are formed in the lower surfaces of the left ends of the absorbing grooves. The conveyor is mainly used for solving the problems of easy local bending and difficult clearing of surface burrs after extrusion forming of reinforcing steel bars.
Owner:孙自强

Rebar forming conveyor

The invention belongs to the field of steel bar production equipment, in particular to a rebar forming conveyor. The conveyor comprises supporting power delivery mechanisms, an extrusion forming machine, a fixed anti-shaking mechanism and a burr-removing mechanism, the supporting power delivery mechanisms are uniformly provided with a plurality of abutting, consists of turntables, slide blocks, springs, sliding supports and chord rubber strips, the turntables are arranged at the lower end of the reinforcing steel bar inside the turntable being uniformly, the turntables fixedly installed on thesliding supports, the sliding supports are provided with two, sliding brackets are symmetrically and oppositely arranged on the inner turntables, the inner surface of the sliding supports are slidably provided with sliding blocks, the sliding blocks are fixedly connected with the lower surface of the interior of the springs, sliding blocks are fixedly provided with chord rubber strips, the lowerend of the springs are fixedly connected with the turntables, and the internal center of the springs are mainly used for fixing the sliding blocks for preventing the sliding blocks are separated fromthe device body. The equipment is mainly used for solving the problem that the reinforced extrusion forming after local-curved surface burr is difficult to clean is solved.
Owner:孙自强

Lock attaching structure and backlight module

The present invention discloses a lock attaching structure and a backlight module, wherein the lock attaching structure is used for fixing a first object and a second object, the lock attaching structure comprises a first lock attaching portion, a second lock attaching portion, a lock attaching member and a diaphragm, the first lock attaching portion belongs to one portion of the first object and is provided with a first assembling hole, the second lock attaching portion belongs to one portion of the second object and is provided with a second assembling hole, the lock attaching member comprises a head portion and an insertion portion, the first lock attaching portion is located between the second lock attaching portion and the head portion, the insertion portion passes through the first assembling hole and is locked to attach to the second assembling hole, the diaphragm is configured on one side of the second lock attaching portion, opposite to the first lock attaching portion and covers the second assembling hole, the diaphragm is provided with a dust collection surface opposite to the second assembling hole, and the diaphragm is provided with a through hole at a position corresponding to the second assembling hole. The present invention also discloses a backlight module containing the lock attaching structure.
Owner:AU OPTRONICS CORP

Light distribution method for advertising lamp box and advertising lamp box

The invention discloses a light distribution method for an advertising lamp box and the advertising lamp box. The light distribution method comprises an edge lighting step and a middle lighting step,wherein the edge lighting step comprises a sub-step of arranging an LED light bar capable of realizing single-side lighting in the advertising lamp box along the inner wall of the lamp box so as to perform lighting from the inner wall of the frame to the middle; the middle lighting step comprises a sub-step of arranging a plurality of LED light bars capable of realizing double-side lighting in themiddle of the interior of the advertising lamp box so as to perform lighting on double sides; and the central plane of lighting surfaces of the single-side lighting LED light bar and the double-sidelighting LED light bar is configured to be parallel to the advertising surface of the advertising lamp box. The light distribution method disclosed by the invention is particularly applicable to illumination of the advertising lamp box, and under the condition that the effect of the advertising lamp box is the same as that of the traditional lighting tool, the advertising lamp box has the advantages of being environmental-friendly, capable of firmly fixing the lens without easy falling, high in structural strength, applicable to a large lamp box, low in manual installation cost and the like.
Owner:NINGBO LEVI LIGHTING TECH CO LTD

Implanted electrode and implanted electrical stimulation system

The invention provides an implanted electrode and an implanted electrical stimulation system. The implanted electrode comprises a base body and electrode stimulation pieces, wherein the base body is tubular or columnar, at least two mounting grooves are formed in the same axial position of the base body in the circumferential direction of the base body, and guide grooves are formed in the positions, at the two axial ends of the mounting grooves, of the inner wall of the base body; the at least two electrode stimulation pieces are respectively and correspondingly arranged in the mounting grooves; each electrode stimulation piece comprises an electrode plate and an anchor structure connected with the corresponding electrode plate; and each electrode plate is located in the corresponding mounting groove, the outer surface of each electrode plate is exposed outside the base body, and at least part of the anchor structures is located in the guide groove and cooperates with the guide grooves, so that the center line of the outer surface of each electrode plate is parallel to the axis of the base body. According to the configuration, the implanted electrode realizes initial positioning before the electrode plates and the base body are fixed through cooperation of the anchor structures and the guide grooves, so that the central lines of the outer surfaces of the electrode plates are parallel to the axis of the base body, orientation and positioning during processing are facilitated, and the situation that the yield is influenced due to rotation dislocation of the electrode plates in the subsequent fixing and processing process is avoided.
Owner:SHANGHAI NEURAZING CO LTD

Automatic mold-opening machine for rotary-disc shoemaking machine

The invention discloses an automatic mold-opening machine for a rotary-disc shoemaking machine. The automatic mold-opening machine comprises a base plate, wherein support legs are arranged at the bottom of the base plate, a mounting slot is formed in the center of the bottom of the base plate and faces towards, and a walking mechanism is arranged in the mounting slot; two vertical rods are symmetrically and fixedly mounted on the upper surface of the base plate and are fixedly sleeved with mold cavities, and a transverse plate is arranged above the mold cavities and sleeves on the two inner rods in a sliding manner; a mold core is fixedly connected to the center of the bottom of the transverse plate; and a top plate is commonly and fixedly connected to one ends, far from the base plate, ofthe two vertical rods, and a second hydraulic cylinder is fixedly mounted in the center of the bottom of the top plate. According to the automatic mold-opening machine, a formed shoe body is slowly separated from the inner walls of the mold cavities through the small-extent shaking of a slide block to the formed shoe body, so that the problems that the material block of the formed shoe body is adhered to the inner walls of the mold cavities, gaps are formed in the surface of the formed shoe body, and the rate of finished products is influenced are avoided.
Owner:YANCHENGSHI YUZHENG PRECISION MACHINE

Diketene preparation device and preparation method

The invention relates to a diketene preparation device and a diketene preparation method. The diketene preparation device comprises an acetic acid evaporator, a mixer, a cracking furnace, a quenching condenser and an absorption tower. The outlets of the acetic acid evaporator and the mixer are connected with the cracking furnace; the cracking furnace is then connected with the multi-level quenching condenser; the quenching condenser is then connected with the absorption tower; one branch of the absorption tower is connected with a polymerization tank, and the other branch of the absorption tower is connected with a water absorption tower; and the outlet of the third-level quenching condenser is connected with the quenching condenser behind through a liquid ring pump. The diketene preparation device and diketene preparation method provided by the invention have the beneficial effects that when the cracked gas is pressurized, the impurities such as acetic acid, water and acetic anhydride in the cracked gas can be condensed out more sufficiently, and thus the quality of the cracked gas before entering the absorption tower is improved while the freezing level is lowered; and compared with the traditional technology in which the energy consumption accounts for 45% of the total cost of diketene, the device and method provided by the invention have the advantage that the energy consumption only accounts for 25% of the total cost of diketene through improvement.
Owner:QINGDAO UNIV OF SCI & TECH

Numerical control spinning machine

The invention discloses a numerical control spinning machine. The numerical control spinning machine comprises a rack, a first spinning frame, a second spinning frame and a conveying mechanism, wherein the first spinning frame is arranged on one side of the rack, and the first spinning frame is provided with a first spinning assembly used for rotating products; the second spinning frame is arranged on the other side of the rack, a first rotating hole and a second rotating hole are formed in the second spinning frame, the second spinning frame is further provided with a second spinning assembly used for penetrating through the first rotating hole and a sliding rod used for penetrating through the second rotating hole, the sliding rod is connected with the second spinning assembly, and the second spinning assembly can move relative to the first spinning assembly through the sliding rod; and the conveying mechanism comprises a sliding rail, a sliding block installed on the sliding rail and a conveying component installed on the sliding block, the sliding rail is arranged between the first spinning frame and the second spinning frame, and the conveying component can move relative to the first spinning frame and the second spinning frame through the sliding block. The numerical control spinning machine can automatically complete material conveying operation, and the production efficiency and the product manufacturing precision are improved.
Owner:江门市盛誉金属制品有限公司

Mechanical-hydraulic combined extruder used for extrusion molding of plastic materials

The invention discloses a mechanical-hydraulic combined extruder used for extrusion molding of plastic materials. The mechanical-hydraulic combined extruder structurally comprises a hot melting mechanism, a plastic film block, an equipment base and a transmission shaft. The hot melting mechanism is fixedly installed over the equipment base in an embedded manner, the plastic film block is installedon the left side of the transmission shaft in a welded manner, the end face of the right side of the equipment base is fixedly connected with the transmission shaft in an embedded manner, and the transmission shaft is located below the right side of the hot melting mechanism. An concentric shaft can be driven to rotate together while an intercepting plate swings, an elastic rope connected with amovable block in an embedded manner can pull embedded beads outwards, hollowed-out grooves connected with the embedded beads move outwards, the hollowed-out grooves in the upper end and the lower endare overlapped in the moving process, an empty groove is reserved to allow plastic solutions to flow so that the intercepting plate and a movable plate can be coaxial and cut off, and the situation that the yield is affected due to the fact that solutions are left in equipment excessively to form wiredrawing is avoided.
Owner:陈伟敏

Hydrophobic membrane structure, detection method and detection system thereof, and wafer carrier

The embodiment of the invention relates to the field of semiconductors, and discloses a hydrophobic membrane structure, a detection method and a detection system thereof, and a wafer carrier. The hydrophobic membrane structure provided by the invention comprises a color-changing layer and a hydrophobic layer covering the surface of the color-changing layer; and when the color-changing layer is in contact with liquid, the color of the area, in contact with the liquid, of the color-changing layer changes to form a color-changing area. Compared with the prior art, according to the embodiment, the hydrophobic layer covers the surface of the color-changing layer, when the hydrophobic layer is broken, liquid flows into the color-changing layer through the broken area of the hydrophobic layer, and the color of the color-changing layer changes due to the fact that the color-changing layer makes contact with the liquid. Therefore, in the detection process of the hydrophobic membrane structure, whether the hydrophobic membrane structure is damaged or not is detected through the change of the color, so that the hydrophobic membrane structure is replaced in time, and the problem that the hydrophobic membrane structure is damaged only when a product or equipment goes wrong is solved.
Owner:CHANGXIN MEMORY TECH INC
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