196results about How to "Eliminate Bubble Problems" patented technology

The invention discloses a super-wear-resistant super-hydrophobic coating in the technical field of coatings, the super-wear-resistant super-hydrophobic coating comprises a primer and a finishing coat, the primer comprises solvent-free aliphatic polyether polyol resin, micro-powder particles, di-tetratoluene diisocynate, fumed silica nanoparticles and a primer magnetic attraction material; the finishing paint comprises hydrophobic nanoparticles, a diluent, a finishing paint magnetic attraction material and a hydrophobic treatment agent, the primer magnetic attraction material is ferrite powder, and the finishing paint magnetic attraction material is nickel powder. The preparation method comprises the following steps: 1, preparing the primer; secondly, primer is sprayed; step 3, roughening the primer; 4, finish paint is manufactured; step 5, spraying finish paint; and step 6, detecting the performance of the coating. The preparation method is scientific and reasonable, the uniformity and stability of the coating in the preparation and coating process are ensured by optimizing the composition of the coating material, improving the preparation process and introducing a magnetic suction device, and therefore the wear resistance, hydrophobicity and adhesive force of the coating are improved.

The invention belongs to the technical field of automobile frames, and particularly relates to automobile frame surface treatment equipment which comprises a box body, the top of the box body is fixedly connected with a first supporting frame, the top of the first supporting frame is fixedly connected with a first motor, and the output end of the first motor penetrates through the first supporting frame and is fixedly connected with a threaded lead screw; according to the surface treatment equipment for the automobile frame, the automobile frame is vibrated for multiple times in the cleaning agent through the multiple sets of clamping blocks, so that the cleaning agent powerfully washes the automobile frame, bubbles on the surface of the automobile frame can be eliminated while the automobile frame is vibrated in the cleaning agent, the cleaning agent makes full contact with the automobile frame, and the cleaning effect is improved. And when the automobile frame rotates backwards by 180 degrees and faces upwards, the supporting table continues to be controlled to move upwards, through the arranged push blocks, the automobile frame is vibrated repeatedly when moving upwards, so that a cleaning agent attached to the surface is shaken off, and the step of manual wiping is omitted.

The slurry feeding system in the battery diaphragm coating equipment comprises a scraper box and a material storage cavity formed in the scraper box, and scraper blades which are located on the two sides of the material storage cavity and are obliquely arranged are installed on the scraper box; one side of the anilox roller is arranged in the material storage cavity, and the edge of the scraper blade is in sliding fit with the surface of the anilox roller; the scraper box is provided with a feeding port located in the bottom of the scraper box and an overflow port located in the top of the scraper box. A plurality of grooves which are uniformly distributed in the circumferential direction of the anilox roller and are used for accommodating slurry are formed in the anilox roller; the driving mechanism is used for driving the anilox roller to rotate; the device further comprises a first adjusting mechanism and a second adjusting mechanism, the first adjusting mechanism is used for adjusting the spacing distance between the anilox roller and the scraper box, and the second adjusting mechanism is used for adjusting the axial displacement distance of the anilox roller relative to the scraper box. Foams need to be eliminated in the slurry feeding process, and the loading modulus and the coating width are adjusted in the process that the anilox roller conducts glue transferring to the follow-up procedure.

The utility model discloses epoxy prepreg PCM production equipment, and relates to the technical field of epoxy prepreg PCM production, the epoxy prepreg PCM production equipment comprises a bottom plate, a main body, a cutting piece and a preheating piece, the main body, the cutting piece and the preheating piece are installed on the surface of the bottom plate, a preforming assembly and an upper mold piece are installed on the surface of the bottom plate, the upper mold piece is installed on one side of the preforming assembly, and the preforming assembly is connected with the cutting piece. The pre-forming assembly comprises a pre-forming piece fixed to the surface of the bottom plate, a scrap removing piece is arranged on the inner side of the pre-forming piece, and an auxiliary piece is arranged on one side of the scrap removing piece. The epoxy prepreg PCM production equipment provided by the utility model is provided with the pre-forming assembly, so that redundant materials can be cut, concentrated and treated in a centralized manner when the equipment is used, and the problem that the redundant parts of the materials are slowly extruded to the outer side of a mold when pressure is applied to the surfaces of the materials in the prior art is further solved; the problems that redundant parts need to be cut off and cleaned manually by workers, overall operation is tedious, and time is consumed are solved.

The invention discloses a grouting device and method for a prefabricated concrete composite plate, comprising: a frame, a reciprocating mechanism, a vibrating mechanism, a grouting mechanism and a scraping mechanism. The frame comprises a C-shaped slide rail, two groups of C-shaped slide rails are provided, the two groups of C-shaped slide rails are located opposite to each other, both sides of the bottom of the two groups of C-shaped slide rails are fixedly connected with support columns, a sliding plate is slidably arranged between the two groups of C-shaped slide rails, a composite plate mold is detachably connected to the top of the sliding plate, and two groups of columns are fixedly connected to the outer sides of the two groups of C-shaped slide rails. The beneficial effects are: the reciprocating mechanism, the grouting mechanism and the scraping mechanism are arranged to cooperate so that the device can perform smoothing work simultaneously during grouting, and the vibrating mechanism is arranged to utilize four groups of vibrating columns to vibrate when the device is grouting and smoothing, so as to eliminate slurry gaps, and there is no need to manually eliminate gaps later. At the same time, bubbles in the slurry can be eliminated by vibration, so as to avoid hollowing of the finished composite plate and ensure the quality of the finished product.

The invention relates to the technical field of concrete vibration, and in particular to a concrete vibration device capable of detecting posture and pressure, which is used to solve the problem that the posture and depth of a vibrating rod are manually controlled, resulting in uncontrollable results; the device comprises a vibrating rod, a posture sensing module and a pressure sensing module, the pressure sensing module is installed at the bottom end of the vibrating rod, and the posture sensing module is installed inside the vibrating rod; the vibrating rod is vertically inserted into the concrete; the posture sensing module is installed in the vibrating rod to sense the angle of the vibrating rod, which is beneficial to the control of the vibration process, the pressure sensing module at the bottom of the vibrating rod detects the pressure at the bottom of the vibrating rod, and as the insertion depth of the vibrating rod increases, the pressure value detected by the pressure sensing module increases, so it can be concluded whether the vibrating rod is in the deep part or shallow part of the concrete.

The invention provides a high and low temperature resistant water-based peelable protective coating and a preparation method thereof, and relates to the technical field of coating preparation. The high and low temperature resistant water-based peelable protective coating is prepared from the following components in parts by weight: 30 to 50 parts of polyurethane emulsion, 20 to 30 parts of epoxy resin, 20 to 30 parts of acrylic emulsion, 10 to 15 parts of polytetrafluoroethylene, 20 to 30 parts of filler, 10 to 20 parts of auxiliaries and the balance of water. According to the invention, the polyurethane emulsion, the epoxy resin and the acrylic emulsion are used as main film-forming substances, and the stable performance of the coating in a wide temperature range is realized through scientific proportioning and process optimization. The polyurethane emulsion endows the coating with good flexibility and wear resistance, the epoxy resin improves the hardness and adhesive force of the coating, and the acrylic emulsion enhances the weather resistance and water resistance of the coating. Through the synergistic effect of the three components, the coating can still keep stable physical and chemical properties in an extremely high-temperature or low-temperature environment, is not easy to blister and wrinkle, and is easy to peel.

The invention discloses a beta-naphthol-based trifunctional resin / carbon fiber / diethylenetriamine composite material and a preparation method and application thereof, and belongs to the technical field of polymer resin.The preparation method includes the steps that beta-naphthol-based trifunctional resin and diethylenetriamine are evenly mixed and coated on a plurality of carbon fibers, and after high-temperature curing, pressing and cooling, the beta-naphthol-based trifunctional resin / carbon fiber / diethylenetriamine composite material is obtained; the beta-naphthol-based trifunctional resin / carbon fiber / diethylenetriamine composite material is obtained; the beta-naphthol-based three-functional-group resin is prepared by carrying out polymerization reaction on beta-naphthol, formaldehyde and epoxy chloropropane under the condition of an alkaline medium. Through cross-linking reaction between the beta-naphthol-based trifunctional resin and the curing agent diethylenetriamine with amino, the molecular chain of the epoxy resin is tighter, the intermolecular force is enhanced, a stable cross-linked structure is formed, the curing efficiency of the epoxy resin is improved, and the cured product has higher hardness and glass transition temperature. The doping of the carbon fibers enables the mechanical properties of the epoxy resin to be significantly improved.

The invention discloses an automatic dispensing device for a mobile phone backboard, and relates to the technical field of dispensing, the automatic dispensing device comprises a base, a feeding assembly line and a discharging assembly line, a dispensing assembly is installed on a dispensing moving frame, a glue pipe connected with the dispensing assembly is connected with a defoaming assembly with a pump, and a glue pipe connected with an outlet of a glue box is connected into the defoaming assembly through the pump; the glue can be centrifuged without manually taking down the glue tank from the supporting seat, the glue tank is in an inclined state during rotation, the effect is the same as that generated by existing centrifugal defoaming equipment, and the glue tank can be rotated to a vertical state after centrifugation is finished, so that discharge of the glue in the glue tank is accelerated, glue solidification is avoided, and the purpose of removing bubbles in the glue is achieved. The defoamed glue is discharged into the glue pipe joint under the suction action of the pump and then is discharged from the dispensing nozzle, so that the defoamed glue can be fed into the dispensing nozzle without taking down the glue, and the next batch of glue can be fed into the glue tank through the feeding assembly after the glue in the glue tank is completely discharged.

The utility model relates to the technical field of carbon fiber bicycles, and provides a carbon fiber bicycle frame mold which comprises a frame preform, an upper mold plate, a lower mold plate and a frame mold core assembly, and an upper mold cavity and a first heating groove are formed in the upper mold plate; a lower mold cavity and a second heating groove are formed in the lower mold plate; the frame preform, the upper mold plate, the lower mold plate and the frame mold core assembly are spliced to form a mold cavity; a ventilation opening is formed in the lower mold plate, and an air opening is formed in the upper mold plate. After the mold is put into the machine table, hot air is input into the independent cavity formed by the first heating groove and the second heating groove through the air port so as to heat the mold. And the mold cavity is vacuumized through the ventilation opening, so that the carbon fiber material can be tightly attached to the bicycle frame preform, the pressurization action of a machine table is matched, and the rough blank manufacturing of the bicycle frame is completed after cooling. The vacuum-pumping technology is utilized to exhaust air, so that the condition of bubbles or delamination when the carbon fiber material is attached is avoided, and the production quality is improved.

The invention discloses a photovoltaic cell texturing groove, which comprises a texturing groove arranged on a machine table, and is characterized in that the texturing groove is respectively provided with a bottom plate, a top plate, a top plate, a bottom plate, a top plate, a top plate, a bottom plate and a bottom plate, the bottom plate is provided with a groove, and the groove is provided with a drainage bulge; the partition plate divides the texturing groove into a texturing area and a mixing area, and a center hole facing the drainage protrusion is formed in the partition plate; the feeding assembly comprises a storage tank arranged on the machine table, and the storage tank conveys isopropanol to the mixing area. According to the battery piece texturing equipment, when isopropyl alcohol is added into a texturing groove in a machine table, the isopropyl alcohol in a storage tank is input into a mixing area, at the moment, a liquid outlet pipe continuously discharges liquid, and the sprayed liquid generates water flow so as to flush with the added isopropyl alcohol which rises along a groove and a drainage protrusion; and the mixed isopropanol can be diffused after being sprayed out from the central hole, so that the condition that the isopropanol is easy to concentrate is avoided, and bubbles of the battery piece can be eliminated.

The invention discloses bend pipe wall carbon steel anti-rust treatment equipment and method, and relates to the technical field of bend pipe machining treatment.The bend pipe wall carbon steel anti-rust treatment equipment comprises a three-axis driving mechanism built beside a zinc liquid pool, a workpiece frame is installed above the zinc liquid pool and used for containing a carbon steel bend pipe, and a plurality of grid holes are evenly formed in the peripheral side of the workpiece frame; through the arrangement of the movable switching structure, the vibration motor and the disturbance assembly, bubbles possibly existing in the carbon steel pipe fitting are discharged under the vibration effect and the disturbance effect, the bubbles are eliminated, the bent part in the carbon steel bent pipe makes contact with zinc liquid more evenly, the carbon steel bent pipe fitting is more stable, and the zinc liquid in the carbon steel bent pipe fitting is more stable. Meanwhile, a zinc-iron alloy layer formed by zinc liquid attached to the carbon steel bent pipe can be more uniform; in addition, when the carbon steel pipe fitting is disturbed, the contact dead angle of the carbon steel pipe fitting and the workpiece frame can be eliminated, galvanizing operation is completed at a time, the defect rate of finished products is reduced, and compared with the prior art, the quality of the treated carbon steel bent pipe finished products is greatly improved.

The utility model relates to the technical field of film compression and discloses a multi-roller type flexible composite film continuous compression mechanism, comprising: two mounting frames; a compression unit, the compression unit is arranged between the two mounting frames, the compression unit includes two hot press rollers for compressing the composite film, the two ends of the two hot press rollers are fixedly connected with intermeshing gears; an adjusting unit, the adjusting unit is arranged between the two mounting frames. The multi-roller type flexible composite film continuous compression mechanism has high compression stability, the two hot press rollers are synchronously driven through the intermeshing gears at the two ends, the film is uniformly stressed during the compression process, and the risk of tearing is reduced; the adjusting unit can synchronously change the angle of the two hot press rollers, flexible adjustment of the film tension is realized, different materials and production speed requirements are adapted to, the already compressed film is secondarily treated through the continuous compression unit, air bubbles are effectively eliminated, and product quality is improved.

The utility model provides a grouting device for water conservancy construction. The grouting device for water conservancy construction comprises a bottom plate, a grouting device and a grouting device, the frame is arranged on the plurality of screw rods in a threaded and sleeving manner; the limiting plates and the vertical plates are fixedly mounted at the top of the frame; the lifting driving mechanism is arranged on the bottom plate and is used for driving the plurality of screw rods to rotate synchronously; the grouting mechanism is arranged on the frame and is used for grouting slurry into a gap; the vibration feeding mechanism is arranged on the grouting mechanism and used for guiding slurry into the grouting mechanism; and the angle adjusting mechanism is arranged on the frame and used for adjusting the angle of the grouting mechanism. The grouting device for water conservancy construction has the advantages that the height of the grouting head can be conveniently adjusted, the function of removing vibration bubbles of slurry is achieved, and movement is convenient.

The invention provides a preparation method of a sodium hyaluronate composite solution for injection, and the sodium hyaluronate composite solution for injection is prepared from the following raw materials in parts by weight: 10 to 20 parts of sodium hyaluronate, 3 to 5 parts of polylactic acid microspheres, 0.2 to 2.0 parts of amino acid, 0.3 to 1.5 parts of sodium chloride, 0.01 to 0.06 part of sodium dihydrogen phosphate, 0.01 to 0.25 part of disodium hydrogen phosphate and 80 to 90 parts of water for injection. According to the preparation method, stirring and vacuumizing are conducted twice, bubbles are eliminated, a condensation baffle is additionally arranged at the top of a filling tank, transverse and longitudinal stirring is conducted, materials are conveyed through a polymer pipeline for filling, bubbles generated in filling are avoided, PLGA, PLGA-PEG and PLLG-PEG polylactic acid microspheres with the molecular weight being 1-30 thousand are increased, and the use effectiveness and durability of the product are improved. The operation method that sodium hyaluronate and microspheres are soaked, then a sodium hydroxide solution is added, stirring is conducted, and 1, 4-butanediol diglycidyl ether is added is adopted, so that the problem of storage layering of the polylactic acid microspheres is solved. The sodium hyaluronate composite solution prepared by the method disclosed by the invention is free of bubbles, and the product is safe to use.

The invention discloses a semi-solid metal slurry preparation device based on vibration and collision, and relates to the technical field of semi-solid metal processing.The preparation device comprises a fixed support, a crucible, a vibration unit, a stirring unit, a lifting mechanism and a temperature control unit. According to the viscosity and actual requirements of different slurries, the stirring unit is adjusted, the lifting mechanism descends, the vibration unit, the stirring unit and the temperature control unit are inserted into the alloy melt, the stirring unit and the vibration unit are started, the alloy slurry is stirred and vibrated, the vibration unit can enable spherical particles to be distributed more uniformly during stirring, and the stirring effect is better. And the temperature control unit releases cooling liquid or gas to cool the alloy melt, the temperature of the alloy slurry is detected through the temperature control unit, and after the expected temperature is reached, the stirring unit, the vibration unit and the temperature control unit stop working.

The utility model relates to the technical field of aluminum formwork construction auxiliary tools, and discloses a reinforcing device for aluminum formwork construction, which comprises an angle plate and a transverse plate, the angle plate and the transverse plate are independently arranged, the angle plate is used for connecting an aluminum formwork, two sides of the angle plate are fixedly connected with lug blocks, the outer surfaces of the lug blocks are fixedly connected with arc-shaped plates, clamping grooves are formed in the outer surfaces of the lug blocks, and the arc-shaped plates are fixedly connected with the clamping grooves. A connecting rod is fixedly connected to one end of the vibrating rod, a spring sleeves the outer surface of the connecting rod, a bulge is fixedly connected to one end of the connecting rod, and a bottom plate is fixedly connected to the lower surface of the transverse plate. The round holes are formed in the two sides, the top face and the bottom face of each aluminum formwork, the aluminum formworks can be fixed by inserting the lock pins into the round holes and then embedding the wedge blocks into the insertion holes of the lock pins in the aluminum formwork erecting process, and the aluminum formworks and the angle plates can be connected through the method, so that the aluminum formworks are not prone to falling off and are not prone to falling off. And the aluminum template can be quickly and conveniently erected.

The invention provides a plastic bag production device with a flattening function, which belongs to the technical field of plastic bag production and comprises a base, a support rod and a fixing rod. According to the plastic bag flattening device, an arranged flattening rod is matched with a torsional spring to continuously roll and flatten a plastic bag through a flattening roller in the downward moving process, wrinkles and bubbles generated in the production process of the plastic bag are effectively eliminated, and an arranged positioning rod is matched with limiting shafts at the two ends of the flattening roller to always extrude and fix the plastic bag below in the flattening process; according to the plastic bag flattening device, the situation that a flattened and rolled plastic bag is pulled in the flattening process is effectively avoided, the overall flattening effect is improved, and a magnet arranged on one side of a fixing rod is matched with an iron block arranged on one side of a flattening rod, so that the situation that a flattening roller rolls in the opposite direction in the lifting process, and the plastic bag is wrinkled for the second time is avoided; and meanwhile, an abutting plate arranged on the side wall of the supporting rod is matched to release the leveling rod after lifting is finished, and it is guaranteed that follow-up leveling work is not affected.

This utility model discloses an adhesive mixing device for fiberboard production, including a mixing tank. A positioning ring is installed on the bottom side wall of the mixing tank. The outer wall of the positioning ring has evenly distributed fixing openings. An upper cylinder with an opening facing downwards is installed on the inner wall of each fixing opening. A lower cylinder with an opening facing upwards is located at the bottom of the upper cylinder. A vibration spring is installed on the inner wall of the upper cylinder, and the bottom outer wall of the vibration spring is connected to the inner wall of the lower cylinder. An air pump is installed on the top outer wall of the mixing tank. The output end of the air pump is connected to the interior of the mixing tank through a pipe. A vibration motor is fixedly installed at the center of the bottom of the mixing tank. This utility model utilizes the high-frequency vibration generated by the vibration motor driving the vibration spring, combined with the negative pressure environment created by the air pump drawing a vacuum inside the mixing tank, to effectively break down the bubble structure in the adhesive, causing the bubbles to rise rapidly and burst, thus quickly eliminating air bubbles in the adhesive.

The invention relates to a soil improvement curing agent special for ardealite curing and application, and belongs to the technical field of soil improvement, and the soil improvement curing agent comprises the following components based on 100 parts of total mass: 60-70 parts of an adhesive; 10 to 15 parts of a diluent; 2-3 parts of a coupling agent; 1-2 parts of a toughening agent; 0.1 to 0.5 part of a defoaming agent; 1-2 parts of an emulsifier; 1-2 parts of a water reducing agent; and the balance of deionized water. The soil stabilizer is an organic polymer composite soil stabilizer capable of forming a cross-linked network structure. The soil stabilizer disclosed by the invention has the characteristics of low pollution, good soil solidification performance, rich application scenes, good dispersion effect and the like, and the defoaming agent in the soil stabilizer can effectively eliminate bubbles generated in soil solidification, so that multiple pores of solidified soil are avoided, and the soil bonding and solidification effects are enhanced; the curing agent is especially suitable for a soil body with high water content and large particle size.

The utility model discloses a purifying and filtering device for polyamide resin production. The purifying and filtering device comprises a shell and a sealing cover arranged on the shell in a sliding manner, the quick-release filter plate is clamped in the shell through a connecting assembly and is blocked by the sealing cover; the quick-release filter plate comprises a lower filter plate and an upper filter plate driven to move, the upper filter plate and the lower filter plate are in universal running fit through a limiting ball fixedly arranged on the upper filter plate, and an included angle is formed between the axis of the upper filter plate and the axis of the lower filter plate. According to the purifying and filtering device for polyamide resin production, the quick-release filter plate can be directly replaced or cleaned through the connecting assembly, the material collecting hopper does not need to be exposed outside, the device does not need to be disassembled, the operation is simple, the quick-release filter plate is blocked through the sealing cover, the possibility that the material collecting hopper is exposed is further reduced, and the production efficiency is improved. Meanwhile, the upper filter plate and the lower filter plate are matched to eliminate bubbles generated in the production process, so that the filtering efficiency is improved.

The invention relates to the technical field of water quality analyzers, and provides an anti-interference water quality analyzer which comprises a supporting frame, an analyzer body is arranged at the top of the supporting frame, a display screen is arranged on the side face of the analyzer body, an operation keyboard is arranged on the side face of the analyzer body, and a stirring device is arranged at the top of the supporting frame; the stirring device comprises a supporting plate, the supporting plate is fixedly connected to the side surface of the analyzer main body, the top of the supporting plate is fixedly connected with a stirring barrel, the bottom of the supporting plate is fixedly connected with a motor, and an output shaft of the motor is fixedly connected with a rotating rod. Through the technical scheme, the problems that in the prior art, the effect of uniformly stirring water in the stirring barrel is difficult to realize, uniform distribution of various chemical substances and particulate matters in a water sample is difficult to ensure, the accuracy and the reliability of subsequent water quality analysis are not facilitated, and experimental deviation caused by non-uniform samples is increased are solved.

The utility model relates to the field of leather shoe processing, in particular to a sole attaching device for leather shoe processing. An existing sole pasting device is insufficient in sole pasting and not clean enough in sole pasting. A sole attaching device for leather shoe processing comprises a supporting frame, a fixing rod and the like. A round rod is arranged on one side of the supporting frame, and a fixing rod is fixedly connected to the top of the round rod of the supporting frame. According to the device, the extrusion block moves downwards to drive the sliding rod to move through the inclined sliding rail, the sliding rod moves to drive the sliding frame and the extrusion roller to move together, the extrusion block resets upwards to drive the sliding rod to reset through the inclined sliding rail, the sliding rod resets to drive the sliding frame to move, and the sliding frame moves to enable the extrusion roller to make contact with the shoe sole piece again. The sole piece is extruded again, bubbles between the sole and the sole piece are further eliminated through the extrusion roller, then the sole piece makes full contact with the sole, and sole attaching of the leather shoes is firmer.

The utility model discloses a kind of textile fabric winding and unloading device, including base, main winding drive unit, movable support seat, main winding shaft, telescopic magnetic attraction clamping strip, pressure roller, cutting device and inclined discharge chute, wherein, the circumferential surface of main winding shaft is equipped with the slot that penetrates full length, telescopic magnetic attraction clamping strip is arranged in the slot inside and realizes fabric initial end clamping, movable support seat is used to support and separate main winding shaft.The reliable fixing of the device to fabric initial end by telescopic magnetic attraction clamping strip, the effective flattening of fabric by pressure roller, the automatic cutting of cutting device, and the automatic unloading of reel realized by movable support seat and inclined discharge chute linkage, effectively solve the problems of fabric inconvenient fixation, unstable winding quality and low unloading efficiency in prior art, significantly improve the automation degree, efficiency and quality of winding operation, and maintain the structure of device is simple and easy to maintain.

The utility model provides a metallographic specimen embedding device and relates to the technical field of metallographic specimen preparation. The metallographic specimen embedding device comprises a preparation assembly, a vacuum pump assembly and a vibration stirring feeding assembly, the preparation assembly is provided with a preparation cavity, an inlaying mold is fixedly arranged on the bottom wall of the preparation cavity and used for placing a test piece, and a communicating hole is formed in the top wall of the preparation cavity and corresponds to the inlaying mold; the vacuum pump assembly communicates with the preparation cavity and is used for vacuumizing the preparation cavity; and the vibration stirring feeding assembly communicates with the communicating hole and is used for filling the inlaying material subjected to vibration stirring into the inlaying mold. According to the metallographic sample inlaying device, the binding force between the test piece and the inlaying material can be improved, the probability that the test piece is separated from the inlaying material in the metallographic sample preparation process is reduced, meanwhile, bubbles in the inlaying material are reduced, and the sample preparation effect is improved.

The utility model discloses a cement pole production is with concrete vibration compaction device relates to the forming product technical field of building material, including the vibration table, the top of vibration table is provided with a plurality of mould pipes, the below of vibration table is provided with the mounting seat, and the top of mounting seat is installed with first servo motor, and the output of first servo motor is connected with the pivot that passes through vibration table vertically, and the lateral surface of pivot at vibration table top one end is fixed with first eccentric cam, and the lateral side of mould pipe is provided with the connecting plate of fixed in vibration table top, and the outer wall plane strip of mould pipe, and the outer wall of plane strip is fixed with slide rod, and slide rod passes through adjacent connecting plate and is connected with connecting plate slidingly, and the compression spring is fixed between adjacent plane strip and connecting plate, and the compression spring is covered in the outside of slide rod, the below of vibration table still is provided with the longitudinal vibration structure of drive vibration table up and down vibration, adopts the mode of horizontal and longitudinal composite vibration, forms the vibration effect of multidirectional.

The invention relates to the technical field of concrete grouting, and provides a grouting device for concrete production and processing, which comprises a horizontal bearing frame, a shell mechanism, a rotating assembly, a vibrating emptying part, a horizontal oscillation assembly and a conveying belt, the conveying belt is connected with the horizontal bearing frame, and a plurality of baffles are uniformly arranged on the surface of the conveying belt; the shell mechanism comprises a fixing frame, a sealing barrel, a feeding port, an annular toothed rail and a discharging part, the rotating assembly comprises a rotating disc, a partition plate, a center rod, a driving part and a curve guide rail, the vibrating and emptying part comprises a rotating pipe, a second transmission gear, a movable column, a vibrating rod, a rotating ring and a ball head rod, and the horizontal vibrating assembly comprises a toothed disc, a U-shaped frame and a connecting rod. The device is used for driving concrete slurry discharged by the second discharging pipe to be evenly injected into the prefabricated part mold on one hand, can prevent gaps from occurring in the concrete slurry on the other hand, has the effect of discharging air again, and has the advantages that structural matching is ingenious, concrete is evenly distributed in the prefabricated part mold, and filling is compact and smooth.

The utility model relates to an intelligent mini vibrating and leveling machine, and belongs to the technical field of road and bridge construction equipment. Comprising a walking base with walking wheels, a lifting mechanism installed on the walking base, a vibrating mechanism driven by the lifting mechanism to ascend and descend and a paving and leveling mechanism. The vibrating mechanism is a vibrating material distribution push plate driven by a vibrating motor; and the paving and leveling mechanism is a roll shaft driven by a motor to rotate. The utility model relates to a small-sized vibrating and leveling machine, which can solve the problem of construction scenes under narrow working conditions through compact structural design. The equipment is small and exquisite in design and suitable for construction scenes of narrow working conditions such as the middle of a high-speed rail, has the functions of vibrating, distributing, paving and leveling, and can effectively improve the construction efficiency and quality.

The graphene heat conduction film feeding hopper comprises a feeding hopper body, an adjusting block and a movable gate plate, and the feeding hopper body comprises side plates, a front plate and a rear plate; the two side plates are arranged on the left side and the right side of the whole feeding hopper respectively, and the front plate, the side plates and the rear plate are fixed to form a groove cavity with an opening in the upper end and a discharging seam in the lower end. The adjusting block is located in the feeding hopper body, the movable gate plate is located outside the feeding hopper body, the bottom of the rear plate makes contact with the movable gate plate, the adjusting block moves in the feeding hopper body in the direction parallel to the side plates to change the transverse width of the discharging seam, and the movable gate plate moves in the direction perpendicular to the side plates outside the feeding hopper body to change the longitudinal width of the discharging seam. According to the graphene heat conduction film feeding hopper, the hopper is used for forming a graphene heat conduction film, so that the film forming uniformity is good, bubbles are greatly eliminated, the shape is regular, the experiment efficiency is improved, and compared with an existing hanging machine, the defoaming effect is better, and the working efficiency is higher.

The invention discloses a transformer insulating oil leakage oil-discharge-free maintenance method and device, and relates to the technical field of insulating oil leakage maintenance, and the method comprises the steps: adjusting the internal oil pressure of a transformer to keep balance with the external atmospheric pressure; performing vacuum drying and exhausting on the interior of the transformer; carrying out vacuum leakage rate detection on the transformer in an oil-carrying state; and predicting the maintenance environment of the transformer according to the weather prediction system. Internal and external pressure balance adjustment of the insulating oil leakage position of the transformer is achieved, it is ensured that air is prevented from being sucked in the overhauling process, the overhauling quality is improved, the operation stability and safety of the transformer are improved, and the fault occurrence probability is reduced.