573 results about "Hot melt" patented technology

The utility model relates to new energy battery technical field, concretely provides a battery cover plate assembly and battery, the battery cover plate assembly of the utility model includes the cover plate body, and is located at the insulating piece of the cover plate body one side to pole group, wherein, the insulating piece includes the cover plate gasket and the protective pad of integrative connection, the cover plate gasket is attached to the cover plate body, the protective pad is reversibly connected in the one side of cover plate gasket width direction, and has the buckling state of buckling in the side of cover plate gasket opposite to the cover plate body, the hot melt connecting portion is equipped on the protective pad, and the hot melt portion is correspondingly provided on the cover plate gasket, under the buckling state, the hot melt connecting portion can hot melt solid connection on the hot melt portion, and make the protective pad form the isolation between the welding part of pole post and pole group, the battery cover plate assembly of the utility model guarantees the buckling connection reliability of protective pad on the cover plate gasket, thereby can form the firm and reliable isolation protection to the welding part of the pole lug and pole post of battery.

The dustproof beauty mask relates to the cosmetic technical field, including the mask body of the silicone rubber material, the FPC circuit board arranged in the recess of the mask body, the illuminator arranged on the FPC circuit board, the transparent protective layer of the silicone rubber material covering the FPC circuit board and the illuminator, the anti-static cloth is arranged on the outer side of the mask body, the hot melt adhesive film is arranged between the anti-static cloth and the outer side of the mask body, the illuminator is a semiconductor illuminator, more than one semiconductor illuminator constitutes a group of illuminator groups, the illuminator groups are uniformly distributed on the FPC circuit board, and the semiconductor illuminator is fixed on the FPC circuit board through the die bonding technology.Compared with the prior art, the dustproof mask has the advantages that the silicone rubber static level can be effectively reduced, the mask body appearance pattern is enriched, the density of the illuminator can be increased, the uniformity of illumination can be improved, the mask thickness can be significantly reduced to facilitate modeling, the material consumption can be reduced, and the manufacturing cost can be reduced.

The utility model relates to cable processing technical field, concretely relates to a cable outer insulation layer machine, including hot melt box and blanking machine, blanking machine fixed mounting is in the rear end of hot melt box, the inside fixed connection of hot melt box has the material conveying pipeline, the position fixed connection of hot melt box front side surface is located material conveying pipeline front end, the rear end of material conveying pipeline is fixed in the inside of blanking machine, the inside of blanking machine is provided with screening subassembly, and screening subassembly includes first material collecting hopper, second material collecting hopper, pulverizer, feed pipe, protective cover, second motor, transmission shaft, driving gear, screening cylinder, screening net and transmission gear ring, second motor drives screening cylinder to rotate, and the screening of plastic particles is carried out, and the secondary crushing of larger plastic particles is carried out through the pulverizer, effectively improve the uniformity of plastic particles, improve the melting effect, and then make internal pressure keep stable, improve the uniformity of plastic solution extrusion, and then effectively improve the production quality of cable.

The utility model relates to conductive foam processing technical field, especially in kind of conductive foam hot melting cooling forming device, including hot melting box and cooling box, the hot melting box is inserted and fixedly connected with heating structure, the upper end of hot melting box swing sleeve joint has sealing assembly, the upper end of cooling box swing sleeve joint has first lid, the outer surface upper portion of cooling box is inserted and fixedly connected with cooling water circulation pipe water inlet pipe, the outer surface lower portion of cooling box is inserted and fixedly connected with cooling water circulation pipe water outlet pipe. The utility model relates to kind of conductive foam hot melting cooling forming device, over setting spiral heating wire around the spiral of inner box outer surface, cooperate heater, can realize the even, efficient heating of the conductive foam material in inner box, after hot melting, through the rotation knob drive screw rotation, push extrusion plate and move down along the inner box inner wall, can be extruded to the conductive foam in hot melting state and form, ensure forming effect.

A hot melt adhesive composition comprises a thermoplastic polyether ester block copolymer. The thermoplastic polyether ester block copolymer comprises 75 wt% to 85 wt% of polyester hard segments and 15 wt% to 25 wt% of polyether soft segments, the polyester hard segments are composed of aromatic polyester benzene ring functional groups reprocessed from recycled polyester products. The thermoplastic polyether ester block copolymer has a hardness of 35 shore D to 50 shore D and a melting point of 90 DEG C to 110 DEG C, and the proportion of regenerated PET is not less than 20 wt%. The present application also provides a hot melt adhesive film formed by the hot melt adhesive composition, and a shoe reinforcement comprising the hot melt adhesive film. The shoe reinforcement has an elastic loss rate of 25% or less. By using the hot melt adhesive composition, the shoe reinforcement can be obtained by heat setting treatment below 90 DEG C and has good resilience. In addition, using the hot melt adhesive composition to make the shoe reinforcement also helps the recycling of the whole shoe.

The utility model discloses a kind of connector structures suitable for DN110~1200 composite pipe, specifically is: in the end of two sections of composite pipe injection molding one connector with stepped shape outer diameter, when two composite pipes are connected, the big head of two connectors is attached;Flange connection or hot melt butt joint connection is used at the step of two connectors;Several holes are provided on the composite pipe at the connector, and the hole is the tensile column of connector.The utility model is suitable for pipe diameter DN110-DN1200 of water supply and drainage, chemical pipeline etc., satisfies 10.0MPa high pressure, 6.4MPa medium pressure, 1.6MPa low pressure demand.

The utility model discloses a vertical high -frequency welding machine, it includes frame, base plate, fixed jig, lifting system, movable jig and water route and circuit separation design, fixed jig is positioned on base plate through first positioning pin fast, is equipped with high -frequency heating strip and lift cylinder in the inside, movable jig is installed in the lifting module through second positioning pin, and the upper cover is adsorbed in the vacuum hole of placing cavity, the application can realize the quick positioning, heating and press bonding of upper and lower covers, and the welding efficiency and product quality are improved significantly, and the equipment operation convenience and security are ensured simultaneously, and it is applicable to the hot melt welding fixation of 5G transmitter upper and lower covers.

The application provides a microcapsule, a composite fabric, a preparation method of the composite fabric and a summer quilt. The preparation method of the composite fabric comprises the following steps: A1, treating the top surface and the bottom surface of a moisture-permeable layer by using oxygen plasma; A2, adding microcapsules and a crosslinking agent into water to obtain a sticky liquid; coating the sticky liquid on the bottom surface and the top surface of the moisture-permeable layer in a dotted form, bonding the moisture-permeable layer and a moisture-removing and air-permeable layer by taking the top surface of the moisture-permeable layer as a bonding surface, bonding the moisture-permeable layer and a skin-friendly cool layer by taking the bottom surface of the moisture-permeable layer as a bonding surface, drying and hot pressing; the microcapsule comprises a core material and a shell covering the outside of the core material, the core material comprises a glue, and the glue is selected from glue A or glue B or a combination of the two, the glue A is a solvent-free moisture curing reaction type polyurethane hot melt adhesive, and the glue B is an acrylate with an epoxy group and / or a urethane group. The application can guarantee the moisture permeability and air permeability of the composite fabric.

The utility model discloses a kind of plastic electrostatic sorting feeding machines, it is related to sorting feeding technology field, including base, base top is fixedly connected with sorting machine body, second rotating roller is rotatably connected with one side inside sorting machine body, rotating column is rotatably connected with one side inside sorting machine body, rotating column other end extends out sorting machine body outside, rotating column outside is fixedly sleeved with first rotating roller, first rotating roller and second rotating roller outside are sleeved with conveying belt, rubber plate is symmetrically hot melt connected with equal distance outside conveying belt, sorting machine body one side is fixedly connected with feed hopper, sorting machine body is fixedly connected with discharge pipe away from feed hopper side, anti-blocking assembly is installed on base top.The utility model uses above structure, can accurately act on feed hopper jam area, efficiently dredge caked plastic, and pushing process is stable and controllable, material abrasion or too much dust will not be caused due to high-frequency vibration aggravation, also will not interfere subsequent electrostatic sorting effect.

1. Name of the product in this design: Glue Gun (SD-898). 2. Purpose of this design: A tool for heating glue sticks to dispense hot melt adhesive. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The utility model discloses an ALC board buckle, including the connecting plate, the U -shaped groove is opened on the connecting plate, the U -shaped groove installs the limit block, the limit slot is opened on the limit block, the limit plate is integrally formed in the both ends of connecting plate. The utility model has the advantages that the limit slot on the limit block can limit the steel bar, then the net cage can be connected through the limit plate, welding is not needed, work efficiency is improved, the net cage is connected using metal material, reduces the potential safety hazard, the connecting rod on the limit block is connected with the connecting plate through the hot melt mode, and then the processing cost of the buckle can be reduced, and the processing efficiency is improved.

The application belongs to the technical field of conveying belt equipment, and discloses a rubber conveying belt punching device, which comprises a workbench, a fixing frame is fixedly installed in the middle of the workbench, a bearing cross plate is slidably installed in the inner cavity of the fixing frame in the vertical direction, a hydraulic cylinder is fixedly installed on the inner top wall of the fixing frame, a punching cylinder is arranged on the surface of the bearing cross plate, a fixing hole is formed in the surface of the workbench, a hot melt sealing edge mechanism is arranged in the fixing hole, the hot melt sealing edge mechanism comprises an electric heating ring, a positioning assembly, an extension assembly and a rotating assembly, the positioning assembly, the extension assembly and the rotating assembly are matched with each other, the relative position between the electric heating ring and the conveying belt can be automatically adjusted in the process of cutting and punching, the electric heating ring can conveniently perform hot melt sealing edge treatment on the hole edge, the punching quality is effectively improved, and the service life of the conveying belt is prolonged.

The application relates to the technical field of medical suture materials, and particularly discloses a non-absorbable suture with tissue self-adaptive performance, which comprises a core layer, a transition layer and an outer layer; the core layer and the transition layer are fixed through hot melt adhesion, and the outer layer is coated on the surface of the transition layer through electrostatic spinning; the core layer is a polyether ether ketone fiber with a diameter of 50-100 mu m and a tensile modulus of greater than or equal to 3 Gpa; the transition layer is a nickel-titanium alloy wire braided net with a thickness of 40-60 mu m, and the wire diameter of the nickel-titanium alloy wire is 20-30 mu m; and the outer layer is a poly-lactic acid-glycolic acid copolymer coating layer containing nano-hydroxyapatite with a thickness of 30-50 mu m; and the application further provides a preparation method of the non-absorbable suture. The non-absorbable suture has the advantages of tissue self-adaptive performance, persistent mechanical support and bioactivity, can effectively avoid tissue cutting, abrasion and suture loosening, and can reduce the incidence of postoperative complications such as inflammation and pain.

The invention relates to a reactive hot melt adhesive and a structure. The purpose of the present invention is to provide a reactive hot-melt adhesive having excellent ejection properties from an ejection dispenser and excellent stretchability after curing. This reactive hot melt adhesive contains a urethane prepolymer that is a reaction product of a polyol and a polyisocyanate. The urethane prepolymer satisfies the following conditions: Condition A: the proportion of an amorphous polyol in the entire polyol is 50% by mass or more; condition B: the equivalence ratio of the isocyanate group NCO of the polyisocyanate to the hydroxyl group OH of the polyol is 1.6 or more in terms of NCO / OH. Condition C: the proportion of aromatic rings derived from a polyol in the entire urethane prepolymer is 15% by mass or less. And condition D: the viscosity of the urethane prepolymer at 120 DEG C is 30 Pa.s or less.

This invention relates to the field of melt extrusion equipment technology, and discloses a hot melt extrusion device, including an extruder body, a feed pipe fixed on the extruder body, a hopper above the extruder body, a distribution box connected to the lower end of the hopper, and the discharge port of the distribution box connected to the feed pipe. The hopper contains several rotatable scraper blades and a movable conical guide head. The distribution box contains a rotatable distribution roller with several distribution grooves. Material in the hopper can flow quantitatively into the feed pipe of the extruder body, avoiding blockage due to flowability. Extrusion plates in the distribution grooves facilitate the movement of the distribution roller while rotating, crushing agglomerated material into smaller particles, improving flowability, preventing feed pipe blockage, and improving product processing quality.

The application discloses a low-temperature impact-resistant polyurethane hot melt adhesive film and a preparation method thereof. The polyurethane hot melt adhesive film comprises the following components in parts by weight: a polyurethane matrix 60-80 parts; a modified auxiliary agent 3-30 parts; a hydroxyl-terminated polydimethylsiloxane 0.5-8 parts; a polycarbodiimide 0.2-3 parts; a light stabilizer 0.05-2 parts; an antioxidant 0.05-1 part; and a rheological modifier 0.05-2 parts. The polyurethane hot melt adhesive film can still maintain good flexibility and impact energy dissipation capacity in a low-temperature environment, effectively reduces the risk of low-temperature bending cracking and brittle fracture, and significantly improves the low-temperature repeated bending performance and impact resistance.

The utility model relates to a kind of foldable climbing ladders, including folding ladder main body and folding support assembly.Folding ladder main body is formed by at least two rectangular sheet materials along the width direction splicing, can reciprocatingly fold to form step unit, it is convenient to store.Folding support assembly contains folding surrounding structure, folding front stop mechanism and folding support mechanism, is stored in folding surrounding and realizes three-dimensional support positioning, improves stability.Each component surface is coated with PVC composite layer, and hot melt welding or magic paste composite connection is used at connecting place.Transition platform assembly, slide board, swimming pool support plate and inclined bracing plate are also provided, so that the climbing ladder has the function of slide, and the interest is increased.Inclined slope and arc-shaped flexible edge protection are provided on the front side edge of the side support plate to improve safety.Each component of the climbing ladder is foldable, convenient to store, and made of PVC material and specific connection method, with good waterproof and sunscreen performance, firm and reliable connection, can effectively resist environmental factors, prolong service life.

The application discloses a wear-resistant waterproof composite type fabric with a pile surface and a preparation method thereof, and relates to the technical field of textile fabric preparation.The technical scheme points of the application are as follows: nylon four-way stretch base cloth and a warm inner layer with single-brushing and single-rotating raising are selected, and a TPU waterproof and moisture-permeable film is arranged between the two; reaction type polyurethane hot melt adhesive is used to carry out point-shaped bonding in a relaxed state in which the warp and weft directions do not have elastic elongation after being subjected to an overfeed treatment, so as to construct an elastic buffer layer and a micropore channel; and finally, DWR durable water repellent treatment is carried out on the surface of the base cloth. By means of the overfeed composite process, internal stress is eliminated, and the non-continuous adhesive points are used as flexible hinges, so that the problems of easy edge curling, blistering and film layer fracture of the high-elastic fabric composite are effectively solved, and the fabric has the advantages of soft hand feeling, firm interlayer combination, size stability, excellent waterproof and moisture-permeable balance and washing resistance.

The utility model relates to textile material technical field, concretely is an ecological waterproof ultraviolet resistance composite function fabric, including by waterproof layer, ultraviolet resistance layer, skin breathable layer is composed of whole, waterproof layer, ultraviolet resistance layer, skin breathable layer is by waterborne polyurethane hot melt adhesive point -like adhesion, waterproof layer, ultraviolet resistance layer, skin breathable layer edge adopts ultrasonic seamless compression process closed, the waterproof layer is by the regenerated polyester fiber and flax fiber blend weaving and is formed, the waterproof layer surface is treated by fluorine -free environmental protection waterproof agent dip -mull, the ultraviolet resistance layer is by the yarn weaving that organic cotton fiber and nano zinc oxide particle blend spinning are made, the utility model discloses waterproof layer, ultraviolet resistance layer, skin breathable layer triple structure design, combine environmental protection technology and realize multifunctional synergy, make the whole have high waterproofness, strong ultraviolet resistance and excellent air permeability.

The utility model provides a kind of polymer modified hot melt adhesive heat resistance testing device, it includes: shell;Test unit, the test unit is arranged in the inside of the shell, and two are oppositely arranged;Display screen, the display screen is provided with two, oppositely arranged in the both ends of the side of the shell, and with the test unit is connected;Filtering box, the filtering box is arranged in the other side of the shell;Gas delivery unit, the gas delivery unit is arranged in the top of the shell, respectively with the filtering box and the test unit is connected.In after testing, start air suction pump work, by air suction pump and second gas pipe, first gas pipe and air suction pipe can the gas in the inside of test unit is input to the inside of filtering box, then by filter screen and activated carbon filter layer in the inside of filtering box to gas filtration, and then harmful substance in gas can be filtered out, then by air outlet hole to the outside, avoid to cause influence to staff, convenient to use, more environmental protection.

The present application relates to hot melt butt welding machine technical field, especially to a kind of high-precision butt joint device operation method for large-diameter pipeline welding, the device includes welding machine, welding machine top is provided with moving frame, moving frame middle part is provided with pipeline, pipeline one side is provided with fixed core, fixed core one end is in the inside of pipeline, recess is opened in the middle part of fixed core, annular cutter is fixedly connected in the inner wall of recess, fixed groove is opened in the inner wall of recess, first heat insulation pad is arranged in the inside of fixed groove, first heating disc is fixedly connected on the surface of first heat insulation pad, hook is fixedly connected on the side of fixed core;By being provided with fixed core insertion the inside of two section pipelines, so that the center of two section pipelines is kept on the same horizontal line, greatly improves pipeline butt joint accuracy, reduces adjustment, improves work efficiency, and after taking out fixed core, the inner wall flanging can be cut off and taken out, ensure that hot melt welding is smooth, make pipeline keep unobstructed, do not affect subsequent use.

This utility model discloses a non-contact pipe hot melt welding machine, including a base. A far-infrared heating plate is fixedly installed on the upper surface of the base. A fixing column is also fixedly installed on the upper surface of the base. An mounting ring is rotatably installed above the fixing column. A fixing disc is rotatably installed inside the mounting ring. A first ventilation ring pipe and a second ventilation ring pipe are fixedly installed on the outer surface of the fixing disc. The diameter of the second ventilation ring pipe is larger than that of the first ventilation ring pipe. A grinding zone is formed between the first and second ventilation ring pipes. Multiple second spring grinding blocks are fixedly installed on the outer surface of the first ventilation ring pipe, and multiple first spring grinding blocks are fixedly installed on the inner surface of the second ventilation ring pipe. Through the setting of the fixing disc, grinding zone, first spring grinding blocks, and second spring grinding blocks, the end face of the pipe is ground, removing the oxide layer and contaminants from the end face, reducing the bonding strength, and simultaneously improving the flatness of the pipe end face, greatly improving the welding quality.

The application belongs to the field of organic material preparation, and particularly relates to a kind of poly-metal phthalocyanine-based porous organic material based on 4-dimethylamino pyridine hot melt method and preparation method and application.The method for preparing poly-metal phthalocyanine-based porous organic material based on 4-dimethylamino pyridine hot melt method comprises the following steps: mixing cyano-containing aromatic monomer, metal element and 4-dimethylamino pyridine, placing in a closed reaction container, heating to a temperature above the melting point of 4-dimethylamino pyridine under the condition of no additional solvent, and then reacting; after the reaction is completed, the product is washed and purified to obtain poly-metal phthalocyanine-based porous organic material. The application utilizes 4-dimethylamino pyridine as a reaction medium and an efficient nucleophilic catalyst, and establishes a general synthesis platform for synthesizing polyphthalocyanine porous material from cyano monomers.

The application discloses a hot melt adhesive gluing equipment, which comprises a rack, a shell arranged on the rack, a conveying belt, a powder discharging mechanism, a recycling and shaping mechanism, a heating box and an oven, the conveying belt penetrates through the shell, and the shell is provided with an inlet and an outlet in the conveying direction of the conveying belt; the powder discharging mechanism is arranged at the inlet and comprises a hopper, a powder outlet of the hopper is aligned with the conveying belt, the recycling and shaping mechanism comprises an air extractor and a blowing pipe, the air extractor is arranged between the inlet and the outlet and has an upward suction force on the hot melt adhesive particles, and the blowing pipe is arranged at the outlet and has a downward blowing force on the hot melt adhesive particles. Compared with the prior art, the application can avoid irritating odor during gluing.

The utility model discloses an injection molding raw material hot melting mixing device relates to mixing device technical field, the utility model discloses a fixed frame is provided with hot melting bucket in the fixed frame, the inner wall fixedly connected with the outlet of hot melting bucket, the inner wall rotationally connected with the valve of outlet, the inner wall of hot melting bucket is provided with mixing mechanism, and the mixing mechanism includes first motor, the utility model discloses through rotating, the scraper will drive telescopic link contraction in the process of contracting, will extrude spring, the spring will provide enough support force for the scraper here, so that it can be closely attached to the inner wall of hot melting bucket, also can prevent the damage caused by the excessive friction between scraper and the inner wall of hot melting bucket, the scraper will scrape the raw material adhered to the inner wall of hot melting bucket at this moment, reaches the effect that the inner wall of hot melting bucket is cleaned when stirring, prevents the raw material accumulation of the inner wall of hot melting bucket, effectively avoids the pollution of residual raw material to next time mixing.

The utility model discloses a kind of plastic extruders for PVC plastic particle production, including conveying bucket, the front end of conveying bucket is fixedly connected with shunt head, the outer wall of shunt head is fixedly connected with a plurality of solenoid valves, the outer wall of solenoid valve is fixedly connected with discharge head. When plastic masterbatch is heated and melted, it can flow into from any one or several separation ports respectively, and several outlets on discharge head can be simultaneously connected with several same or different molds, so as to improve the efficiency of processing, and the corresponding outlet can be opened by solenoid valve, so that it can avoid that hot melt masterbatch flows into unnecessary outlet.

A flame-retardant, antistatic, waterproof, and breathable functional composite fabric, its manufacturing method, and its application are disclosed, relating to the field of textile fabric technology. The composite fabric comprises a flame-retardant and antistatic fiber fabric outer layer, a waterproof and breathable membrane middle layer, and a flame-retardant inner lining layer. These layers are sequentially laminated together using hot melt adhesive. The composite process forms a multi-layer structure. The introduction of flame-retardant and antistatic fiber fabric in the outer layer effectively improves the composite fabric's high-temperature resistance, reducing the risk of melting or deformation near fire sources. The inner and outer layers are woven from aramid conductive fibers, possessing excellent flame-retardant and antistatic properties, providing convenience and safety for industrial workers. The waterproof and breathable membrane middle layer ensures the fabric is breathable and cool to wear, guaranteeing all-around protection and comfort in special environments. This invention's composite fabric has advantages such as lightweight, high-temperature resistance, flame retardancy, windproof warmth retention, and good antistatic properties.

The application provides a bearing seat, an electric spindle assembly and a numerical control machine tool. The bearing seat comprises an outer seat body, an inner seat body, a damping structure and a cooling channel. The outer seat body forms an outer chamber, and the inner seat body is arranged in the outer chamber. A damping cavity is formed between the inner seat body and the outer seat body, and the damping structure is arranged in the damping cavity. The cooling channel is formed in the outer seat body, the inner seat body or the damping structure. The cooling effect and the damping effect are considered, the damping structure improves the support damping between the inner seat body and the outer seat body, and the vibration between the inner seat body and the outer seat body can be absorbed. The cooling liquid is introduced into the cooling channel, the heat generated by the high-speed rotation of the bearing can be taken away, the thermal deformation of the bearing and the bearing seat is prevented, the rotation accuracy of the electric spindle and the stability of the electric spindle operation are improved. The damping structure is formed by injecting a hot-melt glue type material into the damping cavity and solidifying, and the pressure of the damping cavity is not adjustable. The damping structure is formed by injecting metal powder, silicon oil or hydraulic oil into the damping cavity, and the pressure of the damping cavity is adjustable.

The application relates to a high-breathability PTFE nanofiber waterproof and moisture-permeable fabric composite system which sequentially comprises a PTFE film unwinding device, a gluing device, a pre-pressing device, a hot laminating device, a moisture curing device and a winding device which are connected in sequence; further comprises a glue storage and conveying assembly which is used for conveying the stored PUR hot melt adhesive to the gluing device and controlling the gluing amount through the gluing device; and further comprises a spraying device which is used for adjusting the humidity environment in the moisture curing device. Compared with the prior art, the application can realize the uniform controllability of the fabric thickness, avoid resource waste, save the cost, ensure the constant tension and the flatness of the cloth winding, and improve the moisture curing rate of the PUR hot melt adhesive.