137results about How to "Consistent size" patented technology

The present invention relates to the field of non-standard automation technology, in particular to an end cap rotary cutting assembly system and method for an injection-molded bottle body, comprising an injection molding machine, an injection molding transfer mechanism, a conveying mechanism, a first positioning mechanism, a first clamping mechanism, a rotary cutting mechanism, a second positioning mechanism, a second clamping mechanism and an end cap assembly mechanism, wherein the injection molding machine is used for bottle body injection molding, the injection molding transfer mechanism comprises an injection molding material picking component and an injection molding conveying component, the injection molding material picking component is used for grabbing the injection-molded bottle body on the injection molding machine and placing it on the injection molding conveying component, the injection molding conveying component is used for conveying the bottle body toward the conveying mechanism, the conveying mechanism is used for bottle body conveying, the first positioning mechanism is used for positioning the bottle body on the conveying mechanism, the first clamping mechanism is used for clamping the positioned bottle body and conveying it toward the rotary cutting mechanism, and the rotary cutting mechanism is used for ring cutting at the port on the bottle body; the present invention realizes full-chain automated operation from injection molding to end cap assembly through integrated and automated design.

The invention relates to a digital PCR liquid drop identification method and system based on an artificial intelligence algorithm, and the method comprises the steps: generating liquid drops through a micro-fluidic chip, and placing the micro-fluidic chip in PCR equipment for PCR reaction circulation; after the PCR reaction circulation is finished, placing the micro-fluidic chip under a microscope for observation so as to capture a PCR liquid drop image; and preprocessing the PCR liquid drop image, inputting the preprocessed PCR liquid drop image into a pre-constructed liquid drop identification model, and outputting to obtain a PCR liquid drop detection result. Compared with the prior art, on one hand, the micro-fluidic chip is designed, liquid drops with stable structures and consistent sizes can be generated, on the other hand, by introducing the pre-trained artificial intelligence model, efficient identification of the number of the liquid drops and intelligent judgment of a threshold value are achieved, background noise can be effectively reduced, and meanwhile the detection accuracy is improved. And the accuracy of liquid drop identification is obviously improved.

The invention discloses a deep learning-based multi-scale feature fusion marine target identification method, which comprises the following steps of: acquiring picture and video data of various marine targets of a marine ship, and acquiring and generating a marine target detection data set, ocean targets are divided into 10 types of yachts, warships, passenger ships, cargo ships, sailboats, tugboats, kayaks, navigation marks, lighthouses, fishing boats and the like, a multi-scale feature fusion module is added in a deep learning network for the problem that the detection precision of a self-built ocean target data set is insufficient, and the detection precision is improved by fusing multi-layer features and injecting global information into a higher layer. An improved deep learning network model used for sea target identification is constructed, the method has the characteristic of having a good detection effect on small sea targets, multiple targets and overlapped targets, the model can be deployed in navigation cameras of ships after iteration training is finished, a monitoring system is established in a matched mode, and the detection accuracy is improved. And various targets on the sea can be monitored in real time.

The utility model relates to a structure for protecting a current bridge pier in the center of a channel, which comprises a protected bridge pile, an upper bridge pier and a bridge, first support piles and second support piles are respectively arranged on two sides of the channel in rows, and a circle of third support piles are arranged on the outer contour of the bridge pile. A first top beam, a second top beam and a third top beam are arranged at the tops of the first supporting pile, the second supporting pile and the third supporting pile correspondingly, and a first hidden beam, a second hidden beam and a third hidden beam are arranged at the positions, close to the first supporting pile, the second supporting pile and the third supporting pile, of the two sides of the bottom of the channel correspondingly. The supporting piles on the outer side of the bridge pile can prevent water flow scouring, the straining beams, the first hidden supports and the second hidden supports are used for cooperatively protecting the protected bridge pile and the bridge pier, deformation of a bridge structure can be reduced to the maximum extent, the hidden supports and the hidden beams are located below a channel, and the size of an overflowing section of the channel is not affected; and the drainage function of the channel is considered on the basis of ensuring the safety of the bridge structure.

The utility model discloses a dust fall fence for road construction, which relates to the technical field of building construction dust fall and comprises a steel support, a supporting plate is welded at the bottom end of the steel support, a weighting block is fixedly connected to the bottom end of the supporting plate through bolts, and a first cross rod is fixedly connected to one side, close to the bottom end, of the steel support. Steel supports are fixedly connected to the two ends of the first cross rod respectively, a second cross rod is fixedly connected to the position, close to the top end, of one side of each steel support, a plurality of limiting angle irons are fixedly connected to the two sides of each steel support respectively, a plurality of surrounding baffles are fixedly connected between the first cross rod and the second cross rod through the limiting angle irons, and a base is fixedly connected to the upper surface of the second cross rod. A plurality of sound insulation plates are fixedly connected to the upper surface of the base, spraying heads are fixedly connected to the top ends of the sound insulation plates, water conveying branch pipes are fixedly connected to the interiors of the steel supports, disassembly, assembly and repeated use are facilitated through the assembly type design, and the sound insulation plates enable the spraying system to better improve the sound insulation and dust falling effects of a fence.

The invention relates to vibrating diaphragm direct welding equipment and a vibrating diaphragm direct welding method for a moving coil and flat plate combined earphone. The equipment comprises a solder smearing mechanism, an image positioning mechanism, a laser source, a galvanometer mechanism, a spraying mechanism, a displacement mechanism, a controller and other key components. In the welding process, the device accurately recognizes the position of the metal ring through the image positioning mechanism, laser welding of a welding hole in the metal ring and laser cutting of a vibrating diaphragm base material outside the metal ring are achieved at the same time in one-circle scanning through the laser source and the galvanometer mechanism, and the size of the cut metal ring is equal to that of the vibrating diaphragm base material; complex steps and errors caused by independent positioning of the vibrating diaphragm in the prior art are avoided. The high-precision processing capability of the equipment ensures the precision and consistency of diaphragm manufacturing, and the production efficiency and the product quality are improved.

The connector inner hole chamfering machining device comprises a bottom supporting support, a mounting base plate is arranged on the upper surface of the bottom supporting support, a connector containing base is arranged on the mounting base plate, and the connector containing base comprises a vertical supporting support, a guide plate mounting frame, a bar guide plate and a discharging assembly. By means of the design of the automatic discharging assembly, regular and quantitative supply of bars is achieved, frequent manual material adding is avoided, the labor intensity of workers is reduced, the production efficiency is improved, and the requirement for batch production and large-scale production is met; through cooperative work of the inner hole machining assembly and the connector positioning mechanism, the dynamic precision and the repeated positioning precision in the machining process are ensured, errors caused by manual operation are reduced, and the requirements of the modern manufacturing technology for high precision and high efficiency are met. And by adjusting the angle of the trimming assembly, different inner hole machining positions and requirements can be met, and the adaptability of equipment is improved.

The utility model discloses a mining cementing powder viscosity tensile testing device which comprises a bottom plate, two rails are fixedly installed on the top of the bottom plate, push-pull blocks are connected to the tops of the two rails in a sliding mode, and grabbing clamps are fixedly installed on the two opposite faces of the two push-pull blocks. Displacement sensors are fixedly mounted on one sides of the two push-pull blocks, an operator is fixedly mounted at the top of the bottom plate, and a stirrer is fixedly mounted at the top of the bottom plate. Through the arrangement of the stirrer, the stirrer can fully mix the mining cementing powder and the solvent, solid particles in the mining cementing powder and the solvent are ensured to be uniformly dispersed in liquid, the condition of caking or non-uniform mixing is avoided, which is very important for subsequent experimental operation and result accuracy, and the stirrer can continuously stir mucilage in the tensile test process, so that the tensile strength of the mucilage is improved. And solid particles are prevented from precipitating or layering. Therefore, the uniformity and consistency of the cementing powder in the experimental process can be ensured, and the reliability and comparability of experimental data are ensured.

The invention discloses a machining method of a titanium alloy shell, and belongs to the technical field of titanium alloy machining. The machining method comprises the following steps that S1, material picking is conducted, specifically, raw materials for machining the titanium alloy shell are picked according to marks; s2, heat treatment: carrying out heat preservation on the raw materials at 750 + / -10 DEG C for 1-2 hours, and carrying out furnace cooling; s3, multiple turning 1: flattening an end face, turning an outer circle and an inner hole, and keeping the allowance of 1mm on a single face; after completion, clamping and aligning the reverse side, leveling the total length, turning an inner hole, and keeping the margin of 1mm on a single side; s4, annealing: keeping the temperature of the material after turning at 600 + / -20 DEG C for 1-2 hours, and cooling along with the furnace; s5, second turning is conducted, specifically, clamping and alignment are conducted, the end face is flattened, the outer circle is turned till all the faces are shiny, and the jump is smaller than 0.03; finely turning an inner hole and an end surface; s6, numerical turning 3: turning an outer circle; s7, numerical milling: milling a threaded hole and a notch; s8, deburring is conducted; s9, performing inspection; and S10, the titanium alloy shell finished product is kept at the temperature ranging from-60 DEG C to-120 DEG C for 1-2 hours. According to the scheme, the problem that internal stress is prone to occurring in the existing titanium alloy shell machining process is solved.

The utility model relates to a large-scale gas engine piston hoisting tool which comprises a hoisting plate, notches are formed in the two ends of the hoisting plate, adjusting sleeves are further arranged at the two ends of the hoisting plate in a sliding and sleeving mode, sliding openings are formed in the adjusting sleeves, fastening bolts are arranged in the sliding openings, fastening units are arranged between the adjusting sleeves and the hoisting plate, and the fastening units are connected with the hoisting plate. According to the piston lifting device, due to the fact that the adjusting sleeve is arranged in a sliding mode, the adjusting sleeve can be adjusted to different positions in a sliding mode according to the diameter of a piston, the piston is fixed, and then the piston is conveniently lifted into a cylinder body. And pistons with different diameters can be hoisted, and the application range is wide.

The utility model discloses an assembly structure for synthesizing diamonds by a high-temperature and high-pressure method, which relates to the technical field of diamond synthesis and comprises an outer layer structure, a middle layer heating and insulating system, a core reaction layer and a top covering layer which are sequentially arranged from outside to inside, the outer-layer structure comprises a pyrophyllite composite block, a pyrophyllite ring surrounding the outer side of the pyrophyllite composite block and a conductive steel cap fixed to the top, the middle-layer heating and insulating system comprises a heating sleeve embedded into the pyrophyllite composite block, a heating piece is arranged in the heating sleeve, a magnesium oxide insulating sleeve is wrapped in the heating piece, and the outer-layer structure and the middle-layer heating and insulating system are arranged in the heating sleeve. A vertically supported thick zirconium oxide column is arranged below the heating sleeve, the core reaction layer comprises a magnesium oxide crystal bed, a carbon source is placed on the magnesium oxide crystal bed, alloy is distributed around the carbon source, and the top covering layer comprises a thin zirconium oxide column covering the core reaction layer. The problems that in the prior art, obtained seeds with high carbon content grow fast, but the impurity removal capacity is weak, and the quality is poor are solved; the seeds with low carbon content are good in quality but small in size, and the economic benefit is low.

The invention relates to the field of chains, and particularly discloses an integrated top plate type top plate conveying chain. The integrated top plate type top plate conveying chain comprises a plurality of chain links, the chain links are sequentially distributed and connected through pin shafts, and the pin shafts are connected with idler wheels. Each chain link comprises a top plate and two chain plates, the top plate is positioned between the two chain plates and is connected with the two chain plates through a transition part, and the chain links are integrally arranged and are bent and formed at the transition part; the top plate comprises a V-shaped part, a V-shaped opening of the V-shaped part is arranged away from the pin shaft, a guide line is formed at the bottom of the V-shaped opening, and the guide line is arranged perpendicular to the axis of the pin shaft. According to the integrated top plate type top plate conveying chain, the top plate and the chain plates are integrally bent and formed, the machining procedure is simplified, meanwhile, the top plate is completely arranged between the two chain plates, the load borne by the top plate can be better controlled between the two chain plates when materials are conveyed, and the bearing stability is greatly improved.

The invention discloses a high-homogenization steel for a high-power wind power yaw bearing ring, a bearing ring and a production process, and belongs to the field of alloy steel. The steel contains C0.47%-0.57%, Si0.40%-0.70%, Mn1.30%-1.50%, Cr0.50%-0.70%, Mo0.35%-0.45%, Ni0.25%-0.35%, Cu0.030%-0.050%, Nb0.010%-0.030%, Ti0.0040%-0.0060%, Al0.015%-0.025%, P≤0.015%, S≤0.010%, N≤0.0080%, O≤0.0040% by weight. In the production method of the steel, normalizing and quenching and tempering are used for heat treatment. The produced bearing ring steel has excellent strength, toughness and contact fatigue performance, and is suitable for yaw bearings for 6MW wind power.

The invention discloses a multi-layer plywood which is composed of three layers of boards, namely two panels on the outer layer and a core board located in the middle, the core board is formed by splicing and combining camphorwood boards and poplar boards, and the panels and the core board are formed through glue pressing. The laminating device for the multi-layer plywood comprises a conveying device, a conveying device and a transfer device, the conveying device is used for conveying camphorwood boards and poplar boards, the transfer device is used for moving the spliced camphorwood boards, poplar boards and panels to an output device, and the output device is used for sending out the laminated panels and core boards. The output device is combined with the transfer device to achieve transfer of the molds, the multiple molds can conduct machining operation at the same time, when the switch is pressed down, the glue pressing plates conduct glue pressing on the molds with the face plates and the molds with the face plates and the core plates respectively, and meanwhile the molds with the core plates are sent out to the output conveying belt. And meanwhile, the mold containing the panel which is just coated with glue is conveyed to the descending frame, the automation degree is high, and the continuity is good.

The utility model discloses an inner hole drilling mechanism which comprises a first shell, a second shell, a gear set and a drill bit. A driving cavity is formed in the middle of the first shell, a first extension arm is arranged on the first shell, and a plurality of positioning shafts are arranged on the first shell and the first extension arm; the second shell is arranged on the first shell, a second extension arm is arranged on the second shell, a plurality of positioning grooves are formed in the second shell and the second extension arm, and a positioning shaft is inserted into each positioning groove; the gear set comprises a head gear, a middle gear and a tail gear, the head gear is arranged on a positioning shaft, the side portion of the head gear is located in the driving cavity, the middle gear is arranged on the positioning shaft and meshed with the head gear, and the tail gear is arranged on the positioning shaft and meshed with the middle gear; the drill bit is rotationally arranged at the end of the first extension arm and provided with driving teeth meshed with the tail gear. According to the utility model, the second extension arm and the first extension arm can be conveniently inserted into an inner hole for drilling through a drill bit.

The utility model discloses a secondary mixing spray-seeding device for grass planting spray-seeding, which comprises a stirring machine, a stirring shaft and stirring blades, the stirring shaft is arranged in the stirring cylinder, the stirring blades are uniformly distributed on the stirring shaft, and the stirring shaft is driven by a motor to rotate; a feeding opening and a water filling opening are formed in the top of the stirring barrel, and a slurry pumping opening is formed in the bottom of the stirring barrel; one end of the substrate layer conveying pipeline is connected with the slurry pumping opening, and a stirring head is arranged in a pipe opening in the other end of the substrate layer conveying pipeline to form a slurry spraying opening; according to the secondary mixing spray-seeding equipment for grass planting spray-seeding, a curing agent main material and an exciting agent are mixed into a substrate layer in two times, so that the substrate layer has the characteristics of high fluidity during conveying and spraying and low fluidity after spraying and fine dried noodles.

The utility model relates to the technical field of aluminum plate machining, in particular to an arc-shaped aluminum plate punching machine. The arc-shaped aluminum plate punching machine comprises a box body, a collecting assembly is arranged on the inner bottom wall of the box body, a shell is fixedly connected to one side of the upper portion of the box body, a clamping assembly is arranged on the inner side of the shell, an aluminum plate body is installed on the inner side of the clamping assembly, and a connecting block is fixedly connected to one side of the top end of the box body. A hydraulic push rod is installed on one side of the bottom end of the connecting block, a threaded column is fixedly connected to the output end of the hydraulic push rod, a replaceable punching block is in threaded connection to the side face of the threaded column, a protective shell is fixedly connected to one end of the shell, and a supporting column is fixedly connected to the bottom end of the box body. The arc-shaped aluminum plate punching machine has the advantages that the arc-shaped aluminum plate punching machine can adapt to aluminum plates with different lengths and is stable in clamping, and machined finished products can be conveniently collected.

The invention relates to the technical field of roadbed detection equipment, and discloses a fly ash roadbed compactness detection device which comprises a pulling vehicle, a supporting frame is arranged on the pulling vehicle, a driving mechanism and a detection mechanism are arranged on the supporting frame, and the detection mechanism comprises a connecting frame, a plurality of lifting mechanisms, a sand measuring mechanism, a cleaning mechanism, a pit digging mechanism, a collecting mechanism and a base plate. The lifting mechanism comprises a vertical frame and a lifting table, the driving mechanism drives the detection mechanism to rotate, the sand measuring mechanism discharges and weighs standard sand, the cleaning mechanism cleans a roadbed, the pit digging mechanism digs pits in the roadbed, the collecting mechanism collects the standard sand in roadbed holes after detection, and the base plate positions the roadbed detection position. The coal ash roadbed compaction degree detection device realizes standardization, precision and high efficiency of coal ash roadbed compaction degree detection, the whole process of the device replaces manual operation by machinery, the problems of hole wall collapse, sand scattering, impurity residue and the like are effectively avoided, and the labor intensity of detection personnel is greatly reduced.

The invention discloses a micro-rectangular socket jack bending device, and aims to solve the problems of poor quality consistency and low efficiency during manual bending of micro-rectangular connector jacks. The device comprises a bottom plate, a bending base, a supporting rod and a positioning block. A to-be-bent inserting hole is arranged on the supporting rod in a sleeved mode and fixed through the inserting hole positioning block. One end of the supporting rod is connected with the tension spring through the hanging pin to achieve automatic reset. The core of the invention lies in that the front and back bending positions of the product are accurately adjusted through the micrometer head, and the jack is stressed and bent by pulling the bending pressure head. In the bending process, the supporting rod synchronously rotates along with the inserting hole, and after bending is completed, the elastic force of the tension spring drives the supporting rod and the pressing head to automatically reset through the hanging pin. Precise control over the bending size is achieved through the micrometer head, continuity and consistency of operation are guaranteed through the tension spring reset mechanism, and the bending quality and production efficiency of products are greatly improved.

The invention discloses a method for installing a large-diameter GRP seawater pipeline on land with a socket. The method comprises the following steps: firstly, prefabricating a GRP pipeline, adding a reinforcing rib at every 1m interval on the outer side of the GRP pipe, and processing a groove for placing an O-type rubber ring at the socket position; then manufacturing and positioning the GRP pipeline foundation; then installing the O-type rubber ring at the socket position, hoisting the GRP pipeline, and after the crane is hoisted into position, using the reinforcing rib as a support point, using hand chain hoists to pull both sides of the outer side of the pipeline at the same time, and finally the pipeline is socketed into position; after a water pressure test is performed, the pipeline is backfilled. The invention adopts a socket connection method, and the pipeline has a certain movable gap when subjected to an external force, and double "O"-type rubber rings are sealed to play a dual protective role for the pipeline seal; reinforced concrete piles, a cap and medium-coarse sand are used for the pipeline foundation, so that the pipeline can be guaranteed not to have a large displacement, and the sand filling between the pipeline and the cap can play a certain buffering role for the pipeline, so as to ensure the long-term stable operation of the pipeline.

This utility model discloses a circular column keel forming mold, comprising: an annular mold plate for supporting a first strip and positioning the bending path of the first strip as circular; and multiple limiting clamps for engaging the bent sections of the first strip with the annular mold plate to ensure that the first strip bends along the bending path. This utility model places the bendable column keel to be formed along the annular mold and uses the limiting clamps to maintain its shape while shaping it, ensuring that all formed circular column keels are standard circles with consistent dimensions.

The utility model discloses a geotechnical test piece and workpiece demoulding all-in-one machine, which belongs to the technical field of civil engineering and comprises a support frame body, a plurality of pressure oil cylinders are arranged at the lower end in the support frame body, and the output ends of the pressure oil cylinders are connected with the lower end of a lower pressure rod; a lubricating oil storage tank is arranged at the upper end in the supporting frame body, the upper end of the lower pressure rod penetrates through the lubricating oil storage tank, and a plurality of grooves are formed in the outer surface of the lower pressure rod. The demolding efficiency of the workpiece can be improved, the requirement of a mechanical property test is met, and a plurality of geotechnical test pieces with the same size are formed at a time; and the oil brushing efficiency of the inner surface of the mold can be improved, oil brushing is more uniform, and adhesion during demolding is effectively avoided.

This utility model relates to the field of gypsum board production technology and discloses a dustproof cutting device for gypsum board production. It includes a workbench, a gas storage tank fixedly connected to the top center of the workbench, an air pump fixedly connected to the bottom inner wall of the gas storage tank, a hose fixedly connected to the bottom of the air pump, and the outer wall of the hose penetrating and fixedly connected to the top center of the workbench. A valve is fixedly connected through the middle of the outer wall of the hose, and a vortex chamber is fixedly connected through the bottom of the hose. A separation plate is fixedly connected to the rear end of the inner wall of the vortex chamber. In this utility model, the vortex chamber and other components rapidly cool the cutting blade, stabilizing the blade temperature, reducing wear, ensuring blade edge quality, and precisely controlling the cooling capacity. A second motor and other components precisely position and cut the gypsum board, ensuring consistent gypsum board dimensions, reducing the defect rate. The device is simple and efficient to operate, allows for rapid position adjustment, improves production efficiency, and ensures a high pass rate.

The utility model is applicable to the technical field of cutting of heat sink material products, and provides a fixture for slicing the heat sink material products, the heat sink material products can be stacked and placed in a placement groove one by one, and then a gland covers a fixture seat and covers an opening of the placement groove so as to press the heat sink material products stacked in the placement groove, so that the heat sink material products are sliced, and the slicing efficiency is improved. A plurality of avoiding holes formed in the gland can be in one-to-one correspondence with the cutting grooves in the cutting direction of the cutting machine; during cutting, a blade of a cutting machine can enter through one avoiding hole and cut the heat sink material products stacked in the containing groove one by one along the corresponding set of cutting grooves. When the clamp is used for cutting, a heat sink material can be stably clamped through the containing groove and the gland, dislocation in the cutting process is avoided, and therefore the sizes of blocky heat sink material products formed in the cutting direction are consistent; and meanwhile, the work of the cutting machine is not interfered, the clamped part of the heat sink material can be cut in place, and waste is avoided.

The invention relates to an automatic milling cutter repairing device and method, and relates to the technical field of machining, the automatic milling cutter repairing device comprises an electric automatic graduator, a fixing shaft arranged on one side of the electric automatic graduator, a milling cutter arranged at the end of the fixing shaft and a grinding wheel arranged on one side of the milling cutter, and an expansion sleeve used for being connected with the milling cutter is arranged on the fixing shaft. According to the invention, the milling cutter can be accurately ground, and the thickness and the inclination angle of each blade are consistent, so that the cutting efficiency and the processing quality of the milling cutter are improved, and the potential threat to the surface quality of a workpiece is reduced.

The invention discloses a high-speed plastic vacuum forming machine, and relates to the technical field of plastic vacuum forming machines, the high-speed plastic vacuum forming machine comprises two groups of mounting racks which are arranged in parallel front and back, connecting frames are fixedly connected to the left and right ends between the two groups of mounting racks, a fixing column is fixedly connected to the right side between the two groups of mounting racks, and feeding grooves for feeding are fixedly connected to the inner sides of the two groups of mounting racks; a mounting column is fixedly connected to the lower portion between the two mounting frames, a vacuum pump is fixedly mounted above the mounting column, a forming assembly is arranged between the two mounting frames and on the left side of the heating assembly, and a cutting assembly is arranged between the two mounting frames and on the left side of the forming assembly; and a stacking assembly is fixedly mounted between the two mounting frames and on the left side of the cutting assembly. The full-automatic plastic uptake machine has the advantages that multiple functions of feeding, heating, plastic uptake, cutting and stacking are integrated, and the high-speed, high-efficiency and high-quality production requirements can be met.

The present invention discloses a fixing structure for electrical components, an electrical box, a fan coil unit and an air conditioner, relates to the technical field of air conditioning, and solves the technical problem of insufficient space for the electrical box in the prior art. The fixing structure of the present invention comprises a first fixing plate, a second fixing plate and a bottom plate, one end of the first fixing plate and one end of the second fixing plate are fixed to the bottom plate, the other end of the first fixing plate is connected to the other end of the second fixing plate, an angle less than 180° is formed between the first fixing plate and the second fixing plate, and a receiving space is formed between the first fixing plate, the second fixing plate and the bottom plate, and the outer surface of the first fixing plate, the outer surface of the second fixing plate and / or the receiving space are used to fix the electrical components. The fixing structure of the present invention can greatly save space, so it can be used in units with size restrictions.

The invention relates to a preparation method of a ceramic green body, which comprises the following steps: (1) ceramic powder with the sphericity degree of 0.9-1 is sequentially subjected to dry pressing molding and crushing granulation treatment to obtain pretreated powder; and (2) sequentially carrying out die-filling treatment, heating and pressurizing treatment and sintering treatment on the pretreated powder obtained in the step (1) to obtain the ceramic green body. According to the method, the ceramic powder is subjected to dry pressing, crushing and granulation, and heating and pressurizing treatment is added before sintering treatment, so that the ceramic powder is dense in the sintering treatment process, powder overflow caused by heating is avoided, the size abnormal conditions such as edge unfilled corners of a product are reduced, and the yield is effectively improved; and the risk that the sintering furnace body is polluted due to overflowing of the powder is reduced.

The utility model relates to the field of paper handkerchief production equipment and technical field, in particular to super-mini paper handkerchief folding processing equipment which comprises a rack, and a transmission roller set and a folding machine body are installed on the surface of the rack at a time. Displacement during cutting is prevented; flattening mechanisms such as a flattening plate are matched with rubber strips to eliminate wrinkles, cutting deviation is effectively avoided, it is guaranteed that cut-off paper is consistent in size and smooth in edge, a stable path is formed by a conveying roller set and a conveying roller set to feed paper, a hydraulic rod drives a cutter to conduct efficient cutting, a second spring assists the flattening plate to reset rapidly, and all the mechanisms cooperate to shorten the procedure interval. The cutting knife connected through the bolt is easy to replace and meets the cutting requirements of different specifications, long-time shutdown is not needed, the cutting efficiency is improved, the labor cost is reduced, the pressing plate buffers to prevent paper from being crumpled and broken, the rubber strip is soft and scratch-proof, and the integrity and soft texture of the cut paper are guaranteed.