31results about How to "Achieve adhesion" patented technology

The invention provides a film-coated copper sheet for chip front electrode connection and a preparation method and application thereof. The preparation method of the film-coated copper sheet for chip front electrode connection comprises the following steps: A) carrying out pretreatment and single-side metallization treatment on a bare copper sheet to obtain a copper sheet with a single-side metallization layer; and B) uniformly coating metal soldering paste on the single-sided metallization layer of the copper sheet, and then drying in an inert atmosphere or a reducing atmosphere to obtain a film-coated copper sheet with a pre-sintered metal film formed on the surface. According to the film-coated copper sheet, a temporary fixing agent can be prevented from being used during hot pasting, the problems of organic matter pollution, bonding area reduction and the like caused by the adoption of the fixing agent when the front face of an existing chip is connected with a copper sheet are solved, the falling-off rate is low after hot pasting, the pasting strength is high, and the applicability of the film-coated copper sheet and the reliability of a power module are greatly improved.

The invention relates to the technical field of secondary batteries, in particular to conductive paste and a preparation method thereof, and a carbon-coated current collector and a preparation method and application thereof, and aims to solve the problems that a carbon-coated layer in the prior art is poor in adhesive force and easy to peel off, and conductivity is reduced by increasing an adhesive in order to improve the adhesive force; the conductive material in the carbon-coated layer is poor in dispersity and easy to agglomerate, and the carbon-coated layer is thick. A carbon-coated current collector comprises a current collector body and a carbon-coated layer covering at least one side of the current collector body along the thickness direction of the current collector body, the carbon-coated layer comprises the following components: graphene oxide, modified graphene, modified carbon nanotubes, conductive carbon black and a binder in a mass ratio of (1-10): (10-45): (1-20): (1-10): (1-5), both the modified graphene and the modified carbon nanotubes contain oxygen-containing groups.

The invention discloses a cable stripping device for cable production, and relates to the technical field of cable production, the cable stripping device comprises a processing box, the bottom of the processing box is fixedly connected with supporting rods, the supporting rods are located at four corners of the bottom of the processing box, the cable stripping device further comprises a feeding mechanism, the feeding mechanism is arranged on the side wall of the processing box, and the feeding mechanism is arranged on the side wall of the processing box. The feeding mechanism comprises feeding rollers which are symmetrically arranged up and down, and a cleaning unit is arranged on one side of each feeding roller; the first-stage stripping mechanism is arranged on the inner side wall of the processing box and located on one side of the cleaning unit, and the cable stripping device has the advantages that an outer insulating layer and an inner insulating layer of a cable are stripped in a distinguished mode, meanwhile, the outer insulating layer and the inner insulating layer of the cable are collected in a distinguished mode, and the cable stripping efficiency is improved. And therefore, the inner layer insulating layer material and the outer layer insulating layer material can be conveniently recycled in the production process of the cable, and waste of resources is reduced.

The invention discloses a cartilage repair hydrogel material and a preparation method thereof, and relates to the technical field of biomedical materials. The preparation method comprises the following steps: adding a vitamin E water-soluble derivative D-alpha-tocopherol polyethylene glycol 1000 succinate, T-ZIF-8 modified by 2, 4-toluene diisocyanate and Mg-MOF modified by SIKVAV peptide into a mixed solution obtained by compounding silk fibroin peptide, oxidized chondroitin sulfate and 3-aminophenylboronic acid, and carrying out crosslinking under ultraviolet light, so as to obtain the cartilage repair hydrogel material. The hydrogel material prepared by the method has a three-dimensional complex cross-linked structure and is high in mechanical property and stability; through the synergistic effect of the components, an adhesion group and a hydrophilic group are created for the surface of the hydrogel material, the binding opportunity of bone cells and the surface of the hydrogel material is increased, adhesion and proliferation of the bone cells are promoted, rejection reaction of tissues to metal materials is reduced, inflammatory reaction is reduced, and collagen secretion and cartilage regeneration are promoted.

This invention relates to the field of low-temperature fermentation formulation technology. The invention provides a low-temperature resistant compound bacterial enzyme formulation, its preparation method, and its application in the co-fermentation of straw and manure. The compound bacterial enzyme formulation comprises the following raw materials in parts by weight: 8-10 parts of compound bacterial agent, 1-1.4 parts of compound enzyme agent, and 88.6-91 parts of excipients. The compound bacterial enzyme formulation of this invention can ferment straw and manure under conventional conditions as well as at low temperatures of around 15°C, effectively meeting the fermentation requirements in low-temperature regions. By combining the excipients with the bacteria and enzymes, substances and nutrients during the fermentation process can be effectively adsorbed, avoiding acid inhibition, and providing attachment sites for the bacteria and enzymes, thus prolonging their activity.

This invention relates to the technical field of wastewater treatment equipment and discloses a mine water treatment device. To solve the problem of traditional oil-water separation devices easily sucking up surface water, an oil-loving roller driven by a power unit is movably installed on a support frame. When the power unit drives the traveling unit forward, the oil-loving roller can push the floating oil on the water surface forward, achieving the effect of pushing and gathering oil. Moreover, during the process of the oil-loving roller pushing oil forward, the power unit synchronously drives the oil-loving roller to rotate. The side of the oil-loving roller will adhere to and float the floating oil. As the oil-loving roller rotates, oil-water separation is achieved. Finally, the oil scraper on the outside of the oil-loving roller is scraped off and collected by the oil scraper, so that the rotating oil-loving roller can adhere to and float the floating oil again, ultimately achieving the effect of pushing and gathering oil and adhering and absorbing oil.

The present application relates to the technical field of park energy data management, and particularly relates to a zero-carbon smart park comprehensive energy method and system based on big data, wherein the method comprises the following steps: S1, generating a carbon equity unit record; S2, establishing a corresponding source summary for each carbon equity unit; S3, writing the identification information corresponding to the transferred carbon equity unit into the restriction identification set corresponding to the first node; S4, generating a merged source summary; inheriting the source summary before splitting; S5, performing backflow risk verification based on the source summary attached to the to-be-transferred carbon equity unit and the identification information in the restriction identification set; S6, using the registration result for comprehensive energy scheduling and carbon accounting; the method effectively avoids the loss of source information and the risk of repeated offsetting caused by merging and splitting, and facilitates linkage with comprehensive energy scheduling and carbon accounting, thereby improving the real-time performance, implementability and system autonomy of zero-carbon smart park carbon equity management.

The application discloses a long string bonding device and a long string bonding method, and relates to the technical field of aviation manufacturing. The long string bonding device is used for bonding a cap-shaped long string and a skin on a skin mold, and comprises a transfer tool, a cover plate and an assembly module. The assembly module is connected with the transfer tool, and the cover plate is provided with a cap-shaped matching part used for embedding the cap-shaped long string. The cap-shaped matching part is connected with the assembly module. The assembly module is used for fixing the cap-shaped long string on the cap-shaped matching part. The transfer tool is used for driving the assembly module to move, so that the two side caps of the cap-shaped long string are attached to the skin. The assembly module is also used for applying pressure to the cap-shaped matching part in the state that the two side caps of the cap-shaped long string are attached to the skin, so as to press the two side caps of the cap-shaped long string and the skin. The long string bonding device provided by the application can realize automatic transfer and bonding of the cap-shaped long string, saves time and effort, and can obtain better bonding effect.

The invention discloses a pair of trousers capable of preventing articles from falling, which relates to the technical field of trousers pockets, and comprises a pair of trousers, one side of the trousers is fixedly connected with a trousers pocket, the top of the trousers pocket is fixedly connected with a cloth strip, one side of the cloth strip is sewed with a first button, one side of the cloth strip is provided with a first magic tape, the first magic tape is provided with a button seam, and the button seam is fixedly connected with the trousers pocket. The first hook-and-loop fastener is buckled on the first button through a button seam, a second button is sewn at the top of one side of the trouser pocket, a second hook-and-loop fastener is buckled on the second button, and the first hook-and-loop fastener and the second hook-and-loop fastener are matched and pasted for use; according to the invention, when the adhesion effect of the first Velcro and the second Velcro becomes poor, the first Velcro is taken down from the first button, the second Velcro is taken down from the second button, and the first Velcro and the second Velcro are respectively replaced, so that the adhesion of the first Velcro and the second Velcro is ensured.

The present invention relates to the field of metal processing technology, and discloses a drawing device for changing the diameter of a metal wire, comprising a base plate, a winding drum is fixed on the upper end of the base plate, a drawing member is also provided on the upper end of the base plate, the drawing member is used for the metal wire to pass through and change the diameter, the drawing member comprises a metal layer 2 and a metal layer 1 which are spliced ​​up and down, a driving member is clamped in the metal layer 2 and the metal layer 1, the driving member is used to change the diameter of the metal wire; a cleaning component is also provided in the metal layer 2 and the metal layer 1. The present invention sets a cleaning component, and the slide plate is squeezed with the outer wall of the metal wire, and the friction and squeezing effect is generated during the rotation of the slide plate, so as to scrape marks on the surface of the metal wire, clean the impurities on the surface of the metal wire, and make the lubricating oil stuck in the generated marks. When squeezed by the deformation mouth, the lubricating oil can move with the metal wire to achieve the effect of lubrication.

The present application belongs to the technical field of coal mine broken coal and rock mass grouting reinforcement, and particularly relates to a mine double-order grouting material system based on an opposite charge interface directional mineralization, which comprises an interface activation precursor liquid A and a micro-nano inorganic main grout liquid B that are independently packed and injected in sequence when used; the interface activation precursor liquid A is composed of a cationic inorganic nano sol and water, the cationic inorganic nano sol is at least one of boehmite sol and aluminum oxide sol, and the zeta potential of the interface activation precursor liquid A is +15mV to +50mV at 20 DEG C and an actual construction concentration; the micro-nano inorganic main grout liquid B is composed of superfine cement, active mineral admixture, anionic silica sol, inorganic dispersant and water, and the zeta potential of the micro-nano inorganic main grout liquid B is -10mV to -45mV at 20 DEG C and an actual construction concentration; the interface activation precursor liquid A is injected first during construction, so that it is adsorbed on the coal and rock fissure wall to form a positive electric interface activation layer, and then the micro-nano inorganic main grout liquid B is injected, and aggregation and solidification occur at the positive electric interface activation layer.

The invention discloses a power grid dispatching private network data electric quantity metering equipment system which comprises a metering box body, a box door is arranged on the front side of the metering box body, a metering module, a concentrator module, a communication module and a comparative analysis module are arranged in the metering box body through a mounting frame, and the metering module is electrically connected with the concentrator module. The concentrator module is connected with the contrastive analysis module and is connected with the dispatching end through the communication module, a safety control module, a box door detection module, an in-box environment detection module, a circulating heat dissipation mechanism and a dust removal mechanism are further arranged in the metering box body, and the safety control module is in communication connection with the dispatching end through the communication module. The safety control module is electrically connected with the box door detection module, the in-box environment detection module and the circulating heat dissipation mechanism, and a dust removal mechanism is arranged in the circulating heat dissipation mechanism; the metering device can be protected, external force damage and electricity stealing are avoided, meanwhile, heat dissipation and dust removal are conducted, the operation stability of the metering device is improved, and the failure rate of the metering device is reduced.

The invention relates to the technical field of waterproof construction, in particular to a waterproof roll and a construction method thereof. The waterproof coiled material comprises a coiled material body, and the coiled material body is provided with a first connecting part and / or a second connecting part; the first connecting part is connected with the second connecting part of the adjacent waterproof coiled material, and the second connecting part is connected with the first connecting part of the adjacent waterproof coiled material; the first connecting part comprises a first base material, at least two inserting grooves formed in the first base material and a groove formed between every two adjacent inserting grooves, and the second connecting part comprises a second base material, at least two inserting parts formed in the second base material and a protruding part arranged between every two adjacent inserting parts. The depth directions of the slots and the grooves are parallel to the thickness direction of the coiled material body, the slots are connected with spigots of the inserting parts in a matched manner, and the grooves are connected with spigots of the protruding parts in a matched manner; a bonding layer is arranged between the groove bottom of the groove and the top surface of the protruding part, and the bonding layer is a structural layer formed by welding a metal dense net and a bonding agent through electromagnetic induction.

The invention relates to the technical field of aluminum alloy motor shell casting, and in particular to a mold for casting an aluminum alloy motor shell for a new energy vehicle, comprising a fixed mold plate, a fixed mold core, a movable mold core and a driving mold; a mold opening mechanism is arranged on the side of a lower mold module, the mold opening mechanism comprises a mold opening seat, and the mold opening seat is provided with a demoulding column which can be longitudinally away from or close to an upper mold module; when the mold needs to be opened, the fixed mold core and the movable mold core are separated, and the product will adhere to the movable mold core, and then the demoulding column of the mold opening seat can pass through the movable mold plate to the movable mold core and eject the product of the movable mold core to realize demoulding; a heat dissipation structure is arranged between an upper mold module and a lower mold module; the heat dissipation structure is integrated between a guide rod and a movable mold plate, the occupied space is greatly reduced, the overall structure is simple, and it is only necessary to open the mold at the corresponding guide rod and the movable mold plate to form a cavity for the flow of coolant. Compared with traditional air-cooled heat dissipation, water-cooled heat dissipation has a better heat dissipation effect and can quickly discharge the internal heat to the outside.

The utility model discloses a heat-conducting fin pasting device for a vehicle-mounted power amplifier, and the device comprises a suction head assembly which is used for adsorbing a heat-conducting fin and pasting the heat-conducting fin on the vehicle-mounted power amplifier; the mechanical arm assembly is used for driving the suction head assembly to move in the horizontal direction, and the suction head assembly is movably arranged on the mechanical arm assembly; the lifting mechanism is used for driving the suction head assembly to move in the vertical direction, the lifting mechanism is arranged on the mechanical arm assembly, and the lifting mechanism is connected with the suction head assembly; the suction head assembly comprises pressing columns and suction heads provided with negative pressure, the multiple pressing columns are arranged around the suction heads, and the bottoms of the suction heads are higher than the bottoms of the pressing columns or are flush with one another. The heat dissipation glue coating device of the vehicle-mounted power amplifier can realize automatic pasting of the heat conduction sheet of the vehicle-mounted power amplifier, and is relatively high in working efficiency.

The application discloses a centrifugal granulation device capable of preventing high-temperature melt slip and blocking and clogging, wherein high-temperature liquid melt flows to a rotating cup of a granulation unit from a melt storage unit through a flow guide mechanism, and the high-temperature liquid melt is granulated into small droplets by centrifugal force of the high-speed rotating cup; the small droplets perform flight heat exchange in a granulation bin with a heated surface and are solidified into particles; heat recovery of the high-temperature melt particles is completed by spraying far-infrared paint and installing a water-cooled wall with an anti-abrasion grid in the granulation bin, so that water-cooled wall abrasion and semi-melted particle wall sticking are prevented. In addition, by means of a special rotating cup mechanism, the high-temperature melt slip phenomenon on the rotating cup is prevented, so that the granulation effect is poor. The device adopts the flow guide mechanism and the special rotating cup structure and the recovery heat exchange device, so that the problems of high-temperature melt slip and wall sticking in the centrifugal granulation process are avoided, and the device can be effectively applied to high-temperature liquid melt granulation and waste heat recovery.

This invention relates to a two-component cross-linked oxidized nanocellulose spray hemostatic gel, its preparation method, and its application, belonging to the field of biomedical materials. Addressing the problems of weak adhesion, insufficient mechanical properties, and biocompatibility risks in existing hemostatic materials, this invention introduces aldehyde groups using sodium periodate to prepare an adhesive component (TOCN-CHO), and simultaneously modifies the carboxyl groups of TOCN with lysine to create a cross-linking component (TOCN-Lys). After the two components are sprayed and mixed, the aldehyde groups of TOCN-CHO bind to the amino groups on the tissue surface to achieve wound sealing. Simultaneously, the amino groups of TOCN-Lys form a Schiff base cross-linking network in situ with the aldehyde groups of TOCN-CHO, enhancing mechanical strength while eliminating aldehyde toxicity. The gel retains shear-thinning properties and can be sprayed. Animal experiments show that the hemostasis time is reduced to 28 seconds. It also exhibits biodegradability and renewability, effectively solving the problem of synergistic optimization of adhesion, mechanical strength, and biocompatibility, making it suitable for emergency hemostasis and surgical scenarios.

This utility model discloses a dispensing machine, comprising: a base with an internal through hole and at least two feeding channels; a storage unit installed at the bottom of the base, with an internal cavity and a discharge port at the bottom, the discharge port communicating with the cavity, the feeding channels communicating with the cavity, and the through hole also communicating with the cavity; and a mixing assembly, including a motor and a mixing unit, the motor being installed at the top of the base, and the mixing unit being located inside the cavity, the motor output end passing through the through hole on the base and connected to the mixing unit; by feeding through the two feeding channels, which are mostly connected to the storage unit, and then mixing different adhesive components through the motor-driven mixing unit, the mixing and stirring can ensure that the adhesive components are fully mixed, the components of the mixed adhesive are more uniform and can react fully, ultimately achieving the predetermined bonding performance.

This application provides a traffic packet processing method, apparatus, storage medium, and electronic device. The method includes: receiving a first traffic packet sent by a first node through a segmented routing SR channel, the first traffic packet carrying a first target SR outgoing label of the first node; obtaining a first target SR incoming label by matching the first target SR outgoing label; determining a first target non-SR outgoing label corresponding to the first target non-SR incoming label according to a pre-stored first label forwarding table, the label forwarding table storing the correspondence between non-SR incoming labels and non-SR outgoing labels; encapsulating the first target non-SR outgoing label into the first traffic packet, and forwarding it to a second node through a non-SR channel. This can solve the problem of traffic interruption caused by label discontinuity in scenarios where SR channels and non-SR channels coexist in related technologies. By determining the SR outgoing label as a non-SR incoming label, the SR label and non-SR label are associated, thereby determining the forwarding of the traffic packet.

The application provides a chemical raw material dust absorption device, and relates to the field of dust absorption, which comprises a main air pipe, a plurality of branch air pipes are connected to the bottom of the main air pipe, a self-adapting valve assembly is arranged on the inner side of the branch air pipe, a dust bin in a spherical shape is connected to the other end of the branch air pipe, a venturi pipe is arranged below the dust bin, a transmission assembly for providing power is arranged on the outer side of the throat of the venturi pipe, the transmission assembly is connected with the valve assembly, and the transmission assembly comprises a piston penetrating through the throat of the venturi pipe. The linkage structure of the venturi pipe, the piston, the transmission assembly and the self-adapting valve assembly is arranged, the intelligent distribution of the system air volume is realized, and the energy consumption is significantly reduced. When the dust concentration of a dust production point increases, the airflow velocity of the throat of the venturi pipe is accelerated, the static pressure is reduced, the piston and the transmission shaft are driven to move under the action of the pressure difference, the air valve is automatically opened, and the air volume of the branch is increased.

The invention discloses a microminiaturization design method of a high-precision temperature compensation crystal oscillator, which belongs to the technical field of temperature compensation crystal oscillator design and comprises the microminiaturization design of a multilayer surface-mounted ceramic base, the design of a metal cover plate, the microminiaturization design of a quartz oscillator and the microminiaturization design of an integrated circuit temperature compensation chip. The miniaturization design of the multilayer surface-mounted ceramic base comprises SMD3225 type packaging, the design of the metal cover plate comprises integrated packaging with the multilayer surface-mounted ceramic base, and the miniaturization design of the quartz vibrator comprises the selection of AT cut type and high-Q-value small rectangular quartz wafers. According to the design method, the mainstream packaging size of the temperature compensation crystal oscillator is successfully reduced from SMD5032 to SMD3225 by adopting the innovative multilayer surface-mounted ceramic base, the ultra-small-size quartz oscillator and the miniaturized temperature compensation chip, and the urgent requirements of modern electronic equipment for light weight and miniaturization of a core frequency source are met. And meanwhile, the metal cover plate and the ceramic base are welded and sealed in parallel through resistors, so that the leakage rate of the device is remarkably reduced.

The application provides an air inlet panel structure and an air conditioner with the same. The air inlet panel structure comprises: an air inlet panel body, which is provided with a plurality of air inlets; a plurality of filter screen assemblies, which are provided in one-to-one correspondence with the plurality of air inlets, and each filter screen assembly is arranged at a corresponding air inlet; and a plurality of movable baffles, which are provided in one-to-one correspondence with the plurality of air inlets, each movable baffle is movably arranged at a corresponding air inlet and located outside a corresponding filter screen assembly to shield or avoid the filter screen assembly. The movable baffle is used to shield and avoid the filter screen assembly, so that the problem that dust is easily attached to the filter screen of the air conditioner in the prior art is solved while ensuring normal air inlet of the air conditioner.

The invention relates to the related technical field of sewage treatment equipment, discloses a mine water treatment device, and aims to solve the problem that surface water is easy to suck in traditional oil-water separation. An oleophylic roller driven by a power unit is movably mounted on a support frame; oil slick on the water surface can be pushed forwards through the oleophylic rollers, and the effect of pushing oil to gather is achieved; in addition, in the forward oil pushing process of the oleophylic roller, the power unit synchronously drives the oleophylic roller to rotate, the side portion of the oleophylic roller can stick and float the floating oil and rotate along with the oleophylic roller, oil-water separation is achieved, finally, the floating oil outside the oleophylic roller is shoveled out and collected through the oil scraping base, the rotating oleophylic roller can stick and float the floating oil again, and oil-water separation is achieved. And finally, the effects of pushing oil to gather and adhering to absorb oil are realized.

This invention provides a method for panoramic data acquisition of nuclear power plants, comprising the following steps: Step S1: Acquire spatial reference data of the nuclear power plant area, and calculate and generate an optimal acquisition path covering the target acquisition area using a path planning algorithm; Step S2: Acquire on-site images and pose data acquired according to the optimal acquisition path; Step S3: Process the on-site images based on the pose data to generate a panoramic image. Through the integrated collaboration of intelligent path planning, multi-source fusion positioning, and pose constraint processing, the method achieves standardization and efficiency in data acquisition operations, attachment of spatial information to the panoramic image, and full-process automation of acquisition and processing.

The utility model discloses a disposable self-heating patch, particularly relates to the technical field of hot compress patches, and aims to solve the problems that the conventional hot compress patch is directly adhered to clothes, is inconvenient to take and replace, is limited in heating area and cannot be combined for use, and adopts the following scheme that the disposable self-heating patch comprises an adhesion sheet, an adjusting sheet and a containing sleeve, adjusting pieces are arranged on the side edges of the top and the bottom of the adhesion piece, one side of the adhesion piece is attached to the containing sleeve, a heating module is arranged at the top end in the containing sleeve, the two side edges of the adhesion piece are connected with the side walls of the adjusting pieces through telescopic folding pieces, and a heat insulation piece is arranged on the side, away from the containing sleeve, of the adhesion piece. Penetrating clamping holes are formed in the positions, close to the two ends, of the adhesion sheet for connection in a penetrating mode, and a first heat conduction copper sheet is arranged in the center of the interior of the adhesion sheet in a penetrating mode. The utility model has the advantages that the heating modules can be conveniently replaced, repeated adhesion is not needed, a plurality of heating modules can be conveniently adjusted and combined for use, and the heating area is increased.

The present application relates to a kind of based on the forming process of hot adhesive medium diaphragm of molten resin matrix, belong to the technical field of composite precision forming manufacturing, resin matrix is heated to molten state as hot adhesive medium, especially suitable for the diaphragm forming of thermoplastic composite prepreg or composite laminated board with the hot processing temperature above 300 DEG C, utilize the adhesive force of the tangential adhesion generated to diaphragm by the adhesive of resin matrix under molten state, further promote the forming quality and forming limit of diaphragm, to drive composite material has greater degree and higher quality deformation.

The present invention specifically relates to an oral drug carrier with a hollow multi-shell structure and a preparation method and application with a controllable internal microenvironment, which belongs to the field of biomaterial technology. The oral drug carrier is a hollow multi-shell structure with a nanoscale, and has an adjustable acidic microenvironment inside, which can adjust the uniform distribution or gradient distribution of acid and drugs as needed; a controllable acidic microenvironment is constructed in the hollow multi-shell material at a micro-nano scale, which improves the transmission efficiency of drug molecules and acid molecules; the nano-confined pores reduce the crystallinity of the drug, and the rough surface gives it a long retention characteristic in the intestine. The oral drug delivery system can effectively improve the dissolution and release of the drug, and significantly improve the oral bioavailability of the drug.

The application relates to an automobile wire harness bundling tool and relates to the technical field of wire harness manufacturing. In order to solve the problems of low efficiency and consistency of manual bundling, the tool includes a tool plate, a tool column is vertically arranged on the tool plate, a bundling seat is arranged on the tool column, a lifting mechanism for lifting the bundling seat is arranged on the tool column, a bundling mechanism is arranged on the bundling seat, the bundling mechanism comprises two vacuum adsorption plates and two turnover air cylinders, the two vacuum adsorption plates are symmetrically hingedly arranged on the two sides of the bundling seat, the two vacuum adsorption plates are arranged at intervals, a plurality of adsorption holes are formed in the working surface of each vacuum adsorption plate, the two turnover air cylinders correspond to the two vacuum adsorption plates respectively, the cylinder body of the turnover air cylinder is obliquely arranged on the bundling seat, and the piston end of the turnover air cylinder is hingedly arranged on the back surface of the corresponding vacuum adsorption plate. The application has the effect of significantly improving the bundling efficiency and consistency.

The invention discloses a preparation method of adhesive recombinant collagen chitosan composite microspheres capable of efficiently stopping bleeding. The preparation method comprises the following steps: 1, preparing chitosan grafted with gallic acid; 2, dispersing the recombinant collagen and the chitosan grafted with gallic acid into deionized water to obtain a water phase; 3, adding a surfactant into petroleum ether to obtain an oil phase; 4, injecting the oil phase into the water phase, emulsifying, and cooling to obtain an emulsion; 5, blending a cross-linking agent, water and absolute ethyl alcohol, and pre-cooling to obtain a stationary liquid; and 6, adding the stationary liquid into the emulsified liquid for curing, washing and freeze-drying to obtain the recombinant collagen chitosan composite microspheres. The prepared composite microspheres are excellent in performance and can be widely applied to the medical instrument industry as styptic powder, and an efficient, safe and reliable styptic material is provided for the medical field.