38results about How to "Improve adsorption stability" patented technology

This utility model discloses an alloy plate unloading fixture, relating to the field of fixtures. The utility model includes a unloading machine body, with first motors symmetrically mounted on both sides of the unloading machine body. A commutator is fixedly connected to the output end of each first motor, and a lever is rigidly connected to the commutator. The lever is driven to rotate by the first motors. A photoelectric sensor is installed on one side of the unloading machine body. The photoelectric sensor employs advanced sensing technology. The symmetrically arranged first motors, driven by the commutator, directly contact the alloy plate for physical correction, ensuring the immediacy and accuracy of position adjustment and avoiding the efficiency bottleneck of traditional manual positioning. The photoelectric sensor, combined with a laterally movable protrusion and groove design, enables dynamic adjustment of the monitoring position, adapting to various sizes of plates. The replaceable lever size further expands equipment compatibility, reduces changeover costs, and forms a high-precision, highly flexible positioning system.

The utility model relates to the technical field of optical crystal blank processing, in particular to a grinding structure for optical crystal blank processing, which comprises a support frame arranged on a machine base, a grinding component for performing targeted adjustment grinding according to the position of an optical crystal blank is arranged on the support frame, and a mounting plate is arranged on the machine base. A placing seat is mounted on the mounting plate, a vacuum suction pipe is mounted on the placing seat, a vacuum chuck for adsorbing and fixing an optical crystal blank is mounted at the top of the vacuum suction pipe, and a rotating mechanism for driving the vacuum suction pipe to rotate is arranged on the vacuum suction pipe. According to the utility model, the crystal blank is firmly adsorbed on the vacuum chuck through the vacuum suction force generated by the vacuum pump, so that the influence on the optical performance of the crystal blank caused by the damage to the corners of the crystal blank due to side edge clamping is avoided, and the vacuum chuck is a rubber pad with a cambered surface structure at the top, has certain elasticity, and can be better attached to the cambered surface crystal blank; the friction force with a crystal blank is increased, so that the adsorption stability is improved.

This utility model relates to a conveying mechanism for testing electronic components, including a machine base and several trays, cooling tables, testing tables, and temporary storage tables located on the machine base; the second conveying mechanism also includes a conveying cover located outside the conveying lifting cylinder; the conveying cover directly below the conveying base has an inlet and outlet for the conveying base to freely enter and exit, and the inlet and outlet are equipped with a closed structure. The conveying cover on the second conveying mechanism of this utility model can keep the electronic components warm during the conveying process, and the conveying base outside the suction cup allows the suction cup to easily enter and exit the inlet and outlet at the bottom of the conveying cover, facilitating the gripping of electronic components and avoiding any impact on the electronic components.

The invention discloses a low-temperature-resistant negative electrode zinc paste and a low-temperature alkaline zinc-manganese battery containing the zinc paste. The negative electrode zinc paste comprises the following components in parts by weight: 60-65 parts of zinc powder, 1-2 parts of a composite conductive agent, 0.1-0.3 part of a composite corrosion inhibitor and 35-38 parts of a low-temperature electrolyte; the low-temperature electrolyte comprises a multi-element nonionic surfactant system, a multi-element nano anti-freezing agent system and a mixed solution A, the 3.9 ohm discharge capacity of the battery under the condition of-40 DEG C is larger than or equal to 60% compared with the capacity retention rate at normal temperature, the interface impedance amplification is smaller than or equal to 15%, the hydrogen evolution amount is reduced by 80% on year-on-year basis, the process is compatible with an existing production line, and the battery is suitable for polar scientific investigation and electronic equipment in plateau and cold regions.

The invention discloses self-compacting concrete and a preparation method thereof, and relates to the technical field of concrete, and the concrete comprises cement, fly ash, mineral powder, water, sand, stone and a modified water reducer. The modified water reducing agent is a polymer prepared from a hydroxyl-containing monomer I, a double-bond-containing acyl chloride monomer II, an unsaturated polyether monomer III and a double-bond-containing monomer IV in a mass ratio of (0.5-1.5): 1: (9-12): 1 through esterification reaction and double-bond addition polymerization, and hydroxyl, carboxyl and a polyether side chain are introduced into a molecular chain of the polymer at the same time. According to the water reducer, through the synergistic effect of hydrogen bond stable adsorption, steric hindrance and electrostatic repulsion, the compressive strength of concrete is improved, the slump is reduced, the balance of super-long retarding and high-strength development is achieved, and the comprehensive performance is excellent.

The utility model discloses a cylindrical metal packaging tin inner and outer wall polishing device which is characterized in that a transmission groove is formed in the middle of a base, four driving grooves are evenly distributed in the periphery of the base, driving lead screws in the grooves are meshed pairwise through gears in the transmission groove to achieve synchronous rotation, and a polishing assembly is driven to move in the horizontal direction; and the polishing requirements of inner and outer walls of tanks with different diameters are met. A transverse plate on the stand column is driven by a stand column motor and a lead screw to vertically move, and the height of the suction cup rotating assembly is adjusted to adapt to different tank heights. The suction cup rotating assembly adsorbs and fixes the tank body through an air pump, an air cylinder drives an extending block to be matched with a threaded rod, constant-speed rotation of the tank body is achieved, and full-circumferential automatic polishing is completed by combining positioning of a polishing plate. A central axis channel of the threaded rod optimizes the gas path layout, and the adsorption stability is ensured. According to the device, efficient switching and machining of polishing of the inner walls and the outer walls of tanks of different specifications are achieved through linkage transmission and height adjustment, and the production efficiency and the equipment universality are improved.

The utility model discloses a quick tapping tool with a gradual change section chip removal combined structure, and relates to the technical field of tapping tools. The rapid tapping tool with the gradual change amount section chip removal combined structure comprises a limiting frame, a tapping mechanism is arranged above the limiting frame, a limiting assembly comprises a movable frame movably installed below the limiting frame, a connecting rod is movably installed below the movable frame, a limiting rod is movably installed at the bottom end of the connecting rod, and a tapping mechanism is arranged above the limiting frame. A transmission ring is movably installed below the limiting rod, a pressure bearing separates rotation of the screw tap from static monitoring of a pressure sensor, the screw tap can rotate freely, axial pressure can be effectively transmitted to the sensor, the situation that rotation interferes with pressure monitoring is avoided, meanwhile, the linear bearing limits the screw tap to move only in the axial direction, pressure abnormity caused by deviation is avoided, and the service life of the screw tap is prolonged. The grip is matched with the ratchet and the ratchet wheel, so that rotation action and pressure application are separated, the influence of manual force application fluctuation is structurally eradicated, and pressure stability and controllability are achieved through cooperation of multiple components.

This invention discloses an intelligent laser cutting machine for the production of automotive metal interior parts, belonging to the technical field of intelligent laser cutting machines. The invention includes a machine body with an adjustment seat mounted on it, and a laser cutting head installed on the adjustment seat. A collection component is also installed on the machine body. An adsorption platform is fixedly installed on the machine body, and adsorption seats are uniformly installed throughout the upper surface of the adsorption platform. The inner side of the adsorption seats is divided into a first cavity and a second cavity by a fixedly installed partition plate. The first cavity and the second cavity are respectively connected to a vacuum pump and an air pump via external air pipes. A lifting seat is elastically and dynamically installed on the inner side of the adsorption seats. This intelligent laser cutting machine for the production of automotive metal interior parts can automatically position sheet metal at multiple points and in multiple modes, avoiding the impact and vibration of protective gas during the cutting of thin sheet metal, effectively improving the cutting effect, and can effectively treat the cutting fumes.

The application discloses a quartz piece vacuum adsorption fixing device and relates to the technical field of quartz piece processing. The quartz piece vacuum adsorption fixing device comprises an adsorption table, the adsorption table comprises a pedestal, a funnel cavity formed in the interior of the pedestal, a table plate fixedly connected to the top end of the pedestal, a mosquito coil-shaped spiral channel formed in the interior of the table plate, a catheter fixedly connected to the side surface of the table plate and in communication with the outer end port of the spiral channel, rubber through strips inserted into the spiral channel and the catheter, and a plurality of air channels uniformly formed in the interior of the table plate along the spiral path of the spiral channel, and the middle part of each air channel is in communication with the spiral channel. By selectively blocking or opening some air channels through the movement of the rubber through strips, the size range of the quartz piece to be fixed can be matched with the unblocked air channels, the type changing time of the adsorption table is greatly shortened, the equipment investment cost is reduced, and the production efficiency is improved.

The invention relates to an integrated recovery process of aromatic hydrocarbons in hydrogen peroxide oxidation tail gas, which specifically comprises the following steps: preheating the oxidation tail gas to 95-115 DEG C, introducing the oxidation tail gas into an adiabatic expansion machine for adiabatic expansion, reducing the pressure to 0.1-0.15 MPa, suddenly reducing the temperature to 3-7 DEG C, realizing energy recovery and power generation by using the Joule-Thomson effect, and condensing and separating out most aromatic hydrocarbons; and the condensed tail gas enters the activated carbon adsorption tower for deep adsorption, so that the aromatic hydrocarbon content in the finally discharged tail gas is less than or equal to 70mg / m. Through cooperation of process units, efficient recovery of aromatic hydrocarbons (the total recovery rate is greater than or equal to 95%), self-sufficiency of energy and even negative energy consumption operation (the unit tail gas treatment energy consumption is-5-0 kW.h / 1000 m) are realized, the stability and economical efficiency of an adsorption system are remarkably improved, and the technical problems of high energy consumption, low recovery rate and poor adsorption stability of a traditional cooling and adsorption process are solved.

The utility model discloses a kind of steel joint filling plate multi-station automatic welding positioning equipment, it is related to steel joint filling plate welding technical field, including portal frame, screw rod is rotationally arranged in portal frame inside, screw rod is screw-connected with screw block, adsorption mechanism is arranged in the bottom of screw block, adsorption mechanism includes U-shaped plate, second motor is fixedly arranged on U-shaped plate, the output of second motor is through U-shaped plate and fixedly provided with suction plate, vacuum pump is fixedly provided on the top of portal frame, hose is fixedly provided on the side end of vacuum pump, hose bottom end is fixed with suction plate, a plurality of suction holes are opened in the bottom of suction plate, hose is communicated with a plurality of suction holes, limiting assembly is arranged at suction plate four corners. Suction plate is adsorbed and fixed to steel joint filling plate, second motor is started to rotate suction plate by second motor, so that suction plate adsorbs steel joint filling plate to rotate certain angle, and then adjust steel joint filling plate to suitable welding angle, it is convenient to weld different positions of steel joint filling plate.

The utility model relates to the technical field of screen printing, in particular to a screen printing machine for electronic glass production, which is characterized in that the bottom end of a support plate is fixedly connected with a spring, one end of the spring is fixedly connected with a connecting plate, one side of the connecting plate is fixedly connected with a transverse pipe, and the upper end of the transverse pipe is communicated with a plurality of guide pipes at equal intervals along the length direction; one end of each guide pipe is communicated with a suction cup, each suction cup is located in the corresponding through hole, and the upper end of each suction cup extends out of the corresponding through hole. The electronic glass on the supporting table extrudes the suction cup, the suction cup drives the guide pipe to move downwards, the guide pipe further drives the transverse pipe to move downwards, the transverse pipe drives the connecting plate to move downwards, the connecting plate moves downwards and then stretches the spring, and the spring generates elastic force due to stretching and pulls the connecting plate upwards. Therefore, the suction cup is in tight extrusion contact with the bottom end of the electronic glass, tight attachment of the suction cup and the surface of the glass is ensured, the adsorption stability is enhanced, and the glass cannot move in the screen printing process.

The invention relates to the technical field of mineral processing, and provides a method for extracting fine iron powder from raw iron ore, which comprises the following steps: crushing and screening the raw iron ore to obtain crude raw iron ore; performing first-stage grinding, first-stage magnetic separation, second-stage grinding, second-stage magnetic separation, third-stage magnetic separation, flotation extraction and drying on the crude iron ore to obtain fine iron powder; a collecting agent is added during flotation extraction, and the collecting agent is prepared from the following components in parts by weight: 42 to 45.5 parts of sodium oleate, 18 to 19.5 parts of sodium stearate, 8 to 11.5 parts of benzohydroxamic acid, 5 to 7.5 parts of nonylcyclohexanol polyoxyethylene ether, 5 to 7 parts of castor oil polyoxyethylene ether, 5 to 7.5 parts of polypropylene glycol and 2 to 4.5 parts of sodium citrate. By means of the technical scheme, the problem that in the prior art, the iron recovery rate of fine iron powder extracted from raw iron ore is insufficient is solved.

The application belongs to the technical field of driving devices, and relates to a curved surface self-adaptive mobile driving mechanism and a wall climbing robot. A power input system is connected with a bevel gear reversing driving system through a two-stage planetary reduction system, and is used for realizing intersecting shaft transmission. A front axle curved surface self-adaptive system is installed between the two-stage planetary reduction system and the bevel gear reversing driving system, and is used for realizing rotation of the front axle bevel gear reversing driving system relative to the power input system and the two-stage planetary reduction system. A rear axle curved surface self-adaptive system is installed on the two-stage planetary reduction system, and is used for realizing rotation of a rear axle universal wheel relative to the power input system and the two-stage planetary reduction system. A magnet adsorption system comprises front wheel magnet groups and rear wheel magnet groups which are always parallel to a wall surface. Real-time automatic adaptive adjustment of the robot to a complex wall surface is realized, adsorption stability of the robot on the wall surface is improved, an operation mode of the robot is optimized, the ability of the robot to adapt to a complex surface is improved, and the use scene of the robot is widened.

The utility model relates to automatic equipment field discloses an automatic disc placing machine, include: mounting panel, sucking disc, install on mounting panel, electromagnetic adsorption head, install on mounting panel, electromagnetic adsorption head is located in the central region of sucking disc, the mounting panel includes: adjusting plate, install on mounting panel, sucking disc and electromagnetic adsorption head all install on adjusting plate, in the utility model, through sucking disc and electromagnetic adsorption head cooperation, electromagnetic adsorption head utilizes electromagnetic induction principle and produces magnetic force adsorption, provides main gripping force, even if the uneven product surface can effectively snatch, sucking disc can compensate uneven surface, to vacuum adsorption auxiliary, both collaborative work, improved the adsorption stability of the metal product of surface condition complex, reduced the risk of product falling.

The invention discloses a vacuum chuck and wafer processing equipment. The vacuum suction cup is arranged on the wafer processing device, the wafer processing device comprises a connecting platform, the first negative pressure port is arranged on the connecting platform, the vacuum suction cup comprises a suction cup body and a supporting structure, the suction cup body comprises a first end face, a second end face, an adsorption groove and an adsorption hole, and the first end face and the second end face are oppositely arranged in the first direction. The adsorption groove is formed by recessing the second end face and comprises a first sub-groove and a second sub-groove which are communicated with each other, the first sub-groove is used for being connected with the first negative pressure port, the second sub-groove is used for adsorbing the connecting platform, the adsorption hole penetrates through the first end face and is communicated with the second sub-groove, and the adsorption hole is used for adsorbing the wafer. The supporting structure is at least arranged on the first end face and located in the same plane in the first direction, and the projection of the supporting structure and the projection of the adsorption groove are arranged at intervals. And the adsorption structure of the vacuum chuck is simplified.

The invention discloses a fragrant pomelo peel essential oil compound preservative capable of improving the storage quality of prunus salicina, and belongs to the technical field of fruit preservation. The preservative is prepared from the following components in percentage by mass: 0.1 to 1.0 percent of fragrant pomelo peel essential oil, 0.5 to 2.0 percent of chitosan, 0.3 to 1.5 percent of modified white carbon black, 0.05 to 0.2 percent of antioxidant, 0.2 to 1.0 percent of glycerol, 0.1 to 0.5 percent of film-forming agent and the balance of deionized water. The modified white carbon black is prepared by step-by-step modification of a silane coupling agent, guar gum hydroxypropyl trimethyl ammonium chloride and sodium lignin sulfonate, can efficiently adsorb and slowly release essential oil, and enhances the compatibility with chitosan and the mechanical properties of a film layer. According to the preservative disclosed by the invention, a composite coating film is formed by dip-coating, so that water loss, browning and microbial decay after the prunus salicina is picked can be remarkably inhibited, the shelf life of the prunus salicina is prolonged to 12-15 days at normal temperature, and the preservative is suitable for large-scale storage and preservation of the prunus salicina.

The utility model relates to a window cleaning robot related technical field, especially a new window cleaning robot's adsorption cleaning mechanism, including fills the shell body, the side of shell body is equipped with drive wheel, the inside connection of shell body has the inner shell, the surface of shell body is provided with adsorption mechanism, the bottom of inner shell is provided with cleaning mechanism. This new window cleaning robot's adsorption cleaning mechanism, by separating the setting of adsorption mechanism and cleaning mechanism, avoid the interference of cleaning wheel rotation to the air flow of air inlet hole, ensure that the negative pressure produced by centrifugal fan is stable and undulation, the adsorption force always keeps constant, the cleaning mechanism is independent of adsorption frame operation, the eccentric circumferential motion of four groups of second cleaning brush and the central rotation of first cleaning brush do not influence each other, guarantee the cleaning coverage expansion times above, and also eliminate the adsorption force attenuation caused by cleaning action, realize the synchronous promotion of adsorption stability and cleaning efficiency.

The invention discloses an acid-resistant biological calcium carbonate material capable of selectively adsorbing lead as well as a preparation method and application of the acid-resistant biological calcium carbonate material. The preparation method comprises the following steps: mixing calcium-containing high-salt wastewater, nutrient substances and urea to form an optimized mineralization precursor solution; then, inoculating an active urease-producing microbial agent into the mixed system, carrying out reaction under controlled conditions (including temperature, oscillation rate, reaction time and the like), and carrying out in-situ conversion on calcium ions in the wastewater into a calcium carbonate material with a specific crystal phase and surface characteristics; and after the reaction is finished, carrying out solid-liquid separation, washing and drying treatment to obtain the acid-resistant biological calcium carbonate material capable of selectively adsorbing lead. The biological calcium carbonate material has the characteristics of high selectivity, high adsorption capacity, strong acid and alkali tolerance and low desorption rate on lead ions, is suitable for selective removal of lead in composite heavy metal polluted water, has dual benefits of resource recovery and pollution treatment, and is green and environment-friendly in synthesis process, simple in raw materials, low in cost and suitable for industrial production. Good application prospects are realized.

The multi-adsorption type photovoltaic cleaning robot comprises a vehicle body, a cleaning device, an advancing device and a plurality of adsorption devices, the adsorption devices form negative pressure in suction cups through draught fans, elastic deformation parts are dynamically attached to photovoltaic panels, and a controller adjusts the power of the draught fans according to data of negative pressure sensors. The vehicle body adopts a lightweight aluminum alloy frame, the bottom is provided with an independent adsorption unit, the cleaning device is provided with a rotary rolling brush and an atomizing nozzle, and the advancing device adopts an anti-skid track structure, so that the problems of obstacle crossing instability and adsorption failure of a traditional robot are effectively solved, and the cleaning efficiency and the equipment reliability are improved; the device is suitable for automatic cleaning operation of large-scale photovoltaic power stations.

The invention discloses a control method for a wafer bonding machine and the wafer bonding machine, and relates to the technical field of wafer bonding processes. The wafer bonding machine comprises a vacuum transmission arm used for transmitting a wafer and an adsorption mechanism used for adsorbing the wafer, and is characterized in that the control method comprises the following steps: obtaining the offset height of the wafer at the vacuum transmission arm at a switching position; the vacuum conveying arm is controlled to move upwards by the deviation height; obtaining the vacuum degree of the adsorption mechanism; judging whether the vacuum degree is smaller than a standard value; if yes, the vacuum conveying arm is controlled to continue to move upwards till the vacuum degree is larger than or equal to the standard value. According to the invention, the deviation height of the wafer is compensated by controlling the lifting height of the vacuum transmission arm, so that the adsorption mechanism can completely adsorb the wafer, and the adsorption stability is improved.

The invention belongs to the technical field of mineral processing and beneficiation reagents, and particularly relates to a double-phenyl-bridged dihydroximic acid flotation collecting agent and a preparation method and application of the double-phenyl-bridged dihydroximic acid flotation collecting agent. The general chemical formula of the biphenyl bridged dihydroximic acid flotation collecting agent is HO-NHC (= O)-Ar-O-R-O-Ar-C (= O)-NHOH; wherein Ar is an aromatic ring group of which the ortho-position is provided with carboxyl or carboxylic ester group; and R is alkylene with 1-8 carbon atoms. The collecting agent with the double-benzene-ring double-hydroximic-acid structure is expected to have higher selectivity, more stable chelation capacity and higher hydrophobicity at the same time, so that the collecting agent shows excellent collecting effect and separation efficiency in the flotation process, and the defects that an existing hydroximic acid agent is insufficient in selectivity, poor in hydrophobicity and the like are effectively overcome.

The application belongs to the technical field of clay stabilizer preparation, and particularly relates to a clay stabilizer and a preparation method thereof. The clay stabilizer is composed of the following raw materials: 1-ethyl-3-vinylimidazolium bromide, [3-(dodecyloxy)-2-hydroxypropyl] di(2-hydroxyethyl) methylammonium methyl sulfate, 3-{(dimethyl(3-trimethoxysilyl)propyl)ammonium} propane-1-sulfonate, polyallylamine hydrochloride, glycerophosphorylcholine, lauryl alcohol polyoxyethylene polyoxypropylene ether, glacial acetic acid, and the balance is deionized water. The clay stabilizer has excellent permeability and anti-swelling rate due to the synergistic effect between the raw materials.

The utility model discloses metal conducting strip production equipment for an air conditioner connecting wire. A main suction cup is arranged in one mounting notch and located above a conveying belt; and a length-adjustable mounting plate is fixed to the other mounting notch through a bolt, auxiliary suction cups are arranged on the two sides of the mounting plate, and the two auxiliary suction cups are symmetrically arranged relative to the main suction cup. A multi-station synchronous material taking structure is formed by arranging the main suction cups and the symmetrically-distributed auxiliary suction cups, and the single-time grabbing efficiency is remarkably improved; the length of the mounting plate is adjustable, so that the device can be quickly adapted to metal conducting strips of different specifications, the adjustment time caused by the size difference of products is reduced, meanwhile, the slidable bearing bracket is convenient for flexible positioning, and the production continuity and the overall operation efficiency are improved.

The utility model relates to mobile device accessories field relates to magnetic card bag, including magnetic attraction board and storage card bag, magnetic attraction board includes board body, is equipped with magnet slot on the board body, is equipped with connecting shaft on the board body top, is equipped with limit board on the connecting shaft top, is equipped with limit protruding on both sides of connecting shaft, storage card bag includes card slot, is equipped with empty window on the card slot bottom, is equipped with pressing card board on the empty window top, is equipped with limit block on the empty window bottom, is equipped with taking card hole on the side away from magnetic attraction board of card slot, is equipped with split axle on the card slot top, is equipped with limit board no. 2 in the center of split axle, is equipped with limit slot on the split axle bottom, magnetic attraction board and storage card bag realize rotary connection through the cooperation of connecting shaft and split axle. Compared with the prior art, the utility model has the advantages that: the opening and closing angle is accurately positioned and locked, and the flat storage and stable support functions are combined; it is self-adapting to different number of cards, and the cards are prevented from slipping and falling off; one hand can quickly take the card. The overall structure is compact, the function integration degree is high, and the reliability problem under the multiple scene application is effectively solved.

The utility model belongs to the technical field of gasket assembly, and particularly discloses a metal gasket gripper which comprises a mounting plate and a telescopic pin shaft assembly, a rotating shaft is rotationally connected to the mounting plate, a rotating driving assembly is mounted on the mounting plate, a floating connecting plate is fixedly connected to the lower end of the rotating shaft, and a negative pressure suction plate is arranged on the lower side of the floating connecting plate. The telescopic pin shaft assembly comprises a guide pin shaft, a spring and a limiting nut, the negative pressure suction plate is connected to the guide pin shaft in an up-down sliding mode, and the spring is arranged outside the guide pin shaft in a sleeving mode and arranged between the floating connecting plate and the negative pressure suction plate; an annular multi-point suction head is fixedly installed at the lower end of the negative-pressure suction plate, negative-pressure air holes are annularly formed in the annular multi-point suction head, the annular multi-point suction head can upwards communicate with the negative-pressure suction plate and downwards suck a workpiece, the annular multi-point suction head is particularly suitable for an annular gasket, the gasket can be conveniently arranged in a primer in a sleeving mode, flexible contact is achieved through a telescopic pin shaft assembly, buffering is provided, and the gasket is prevented from deforming; and the assembly efficiency and the quality consistency can be improved conveniently.

This invention relates to a plasma spraying device for swing frame surfaces, belonging to the field of plasma spraying technology. The device includes a frame, a flipping mechanism, an adaptive mechanism, a model, a support bracket, a turning mechanism, and a control cabinet. The flipping mechanism is located on the top of the frame, fixing the swing frame with suction cup I and driven by a motor to achieve multi-angle flipping and rotation. The adaptive mechanism is located on one side of the frame, automatically adjusting the distance between the nozzle and the swing frame through the cooperation of the model and the abutment joint, and achieving horizontal and vertical adjustment of the nozzle through a screw drive. The turning mechanism is mounted on the support bracket, using suction cup II and a rotary cylinder to automatically turn the swing frame. The control cabinet enables coordinated control of all mechanisms. This invention solves the problems of unstable fixing, cumbersome angle adjustment, uneven spraying, and complex turning operations in existing devices, enabling fully automated spraying of swing frames, improving coating uniformity and production efficiency, and is suitable for batch processing of swing frames of different specifications.

This invention provides a method for preparing a metal-organic framework adsorbent, belonging to the field of adsorbent technology. The invention includes the following steps: dissolving a metal ion salt and an organic ligand in an organic solvent, controlling the reaction temperature and time, centrifuging, washing, and vacuum drying to obtain the metal-organic framework adsorbent; the organic ligand contains one or two of amino, carbonyl, carboxyl, sulfonic acid, and hydroxyl groups; the adsorbent selectively adsorbs glucagon-like peptide-1 analogs. This invention synthesizes a metal-organic framework adsorbent by combining a metal ion salt with an organic ligand containing groups such as amino, carbonyl, carboxyl, sulfonic acid, and hydroxyl groups. It utilizes the charged portion or specific groups in the organic ligand to form hydrogen bonds, ionic bonds, van der Waals forces, and chelation with glucagon-like peptide-1 analog molecules, achieving highly efficient and selective adsorption of glucagon-like peptide-1 analogs, exhibiting high adsorption capacity, fast adsorption rate, and good adsorption stability.

The utility model provides a kind of vacuum adsorption plate and composite material cutting machine, vacuum adsorption plate includes pedestal, adsorption panel, zoned adsorption pipeline and positioning adsorption pipeline, the pedestal is equipped with several zoned frame, the pedestal is equipped with the flow guide groove being arranged on the zoned frame boundary line;Adsorption panel is equipped in the top of the pedestal, several pairs of zoned adsorption holes located in the zoned frame are opened in the adsorption panel.The utility model forms the mesa zoning of vacuum adsorption by zoned frame on pedestal, the zoned adsorption hole of each zoning is corresponded one by one, under the on-off switching of zoned adsorption pipeline to the negative pressure suction of each zoning, make zoning according to cutting position to conduct negative pressure suction, concentrate adsorption area in cutting position, improve the adsorption stability of cutting position;By flow guide groove and positioning adsorption pipeline, positioning adsorption hole area has independent negative pressure passage, and can provide sustained vacuum adsorption to composite material.