21results about How to "Tightly bonded" patented technology

The invention discloses a full-automatic paperboard gluing and laminating system which comprises a rack as well as a lifting and transferring mechanism, a connecting and conveying mechanism, a gluing mechanism, a laminating mechanism and a pressing mechanism which are arranged on the rack, and a paperboard on a lifting seat can be driven to the connecting and conveying mechanism through a suction cup; the connecting conveying mechanism can feed paperboards into the gluing mechanism, the paperboards can be coated with glue through the space between the upper glue roller and the lower glue roller, and the film covering mechanism comprises a paperboard transferring mechanism and a film conveying mechanism located below the paperboard transferring mechanism. The side edge of the paperboard coated with the glue is located in the conveying groove and conveyed to the film conveying belt through the conveying wheel, a film is driven to the film conveying belt through the film conveying mechanism to be bonded with the paperboard on the film conveying belt, and the bonded paperboard is tightly pressed after passing through the upper pressing roller and the lower pressing roller.

The invention discloses a conductive film anti-bending durability testing device and method, and relates to the technical field of anti-bending durability testing, the conductive film anti-bending durability testing device comprises a machine body and a control panel fixedly mounted on the machine body; and the clamping test part is mounted on the machine body and is used for clamping and fixing the two ends of the conductive film and carrying out bending durability test on the two sides of the conductive film. The device has the advantages that the testing efficiency is improved by simultaneously carrying out three-point bending testing on the conductive film, constant tension of the conductive film is ensured during testing, multi-tension testing can be carried out, the testing accuracy is improved, in addition, centrifugal force generated by rotation of a second gear is used for compensating a gap generated by frictional wear, and the testing precision is improved. The second toothed plate and the second gear are kept in a tight meshing state, the transmission response speed of the gear and the toothed plate is increased, the tension stability of the conductive film is ensured, the test accuracy is further improved, the test result is more representative, and the bending resistance of the conductive film can be better indicated.

The present application discloses a high-strength plastic pallet and a preparation method, wherein the high-strength plastic pallet comprises the following raw materials by weight: 70-95 parts of high-density polypropylene, 5-10 parts of epoxidized soybean oil, 1-3 parts of polytetrafluoroethylene, 4-8 parts of hydroxypropyl methylcellulose, 2-5 parts of silane coupling agent, 20-30 parts of filler, 14-20 parts of styrene-butadiene rubber, 10-15 parts of polyaromatic oxadiazole fiber, 5-10 parts of calcium carbonate whisker, and 1-2 parts of antioxidant. The high-strength plastic pallet provided by the present application has strong tensile strength and high temperature resistance.

The utility model provides a kind of mutual inductor automatic annular sticker machine, including support, draw belt mechanism, gluing wheel, press belt mechanism, cut belt mechanism and manipulator, when sticking, first by the clamp on draw belt mechanism with the insulating paper tape is clamped to mutual inductor and press belt mechanism between, then the gap of two press belt pieces is aligned mutual inductor edge and moves to mutual inductor center, simultaneously two press belt pieces can follow the action of openable rotating arm, to insulating paper tape with glue is pressed and combined on mutual inductor outer wall, finally by cut belt mechanism, insulating paper tape is cut, after press belt mechanism exits from inside to outside, press belt mechanism rotates a certain angle around mutual inductor center, continue to repeat above-mentioned stick action, to complete the insulating paper coating to mutual inductor periphery, compared with prior art, realize automatic sticking in this way, greatly reduce labor cost, improve production efficiency.

The utility model provides a support-free lens module and a car lamp. The support-free lens module comprises a lens, a substrate, a light source and a heat dissipation assembly. The lens is composed of a lens part and a supporting leg which are integrally formed and are both made of PC materials. The lens part is mounted above the substrate through the supporting legs, and the light source is mounted on the substrate below the lens part; the heat dissipation assembly comprises a fan erected on the back face of the substrate and a plurality of heat dissipation columns installed between the substrate and the fan, and the heat dissipation columns are arranged on the substrate in a matrix mode. The lens is composed of the lens part and the supporting legs which are integrally formed, the lens part and the supporting legs are both made of PC materials, the crystal is directly installed on the substrate through the supporting legs, an additional installation support is not needed, the structure is simplified, the overall size is reduced, and connection between the lens part and the supporting legs is more stable.

The invention discloses a method for preparing asphalt concrete by using surface modified ceramsite, and belongs to the field of composite materials. The ceramsite is modified by the oleic acid / coupling agent, and then the ceramsite is used for preparing the asphalt concrete. According to the method disclosed by the invention, tight combination of the ceramsite and the asphalt concrete is realized, so that the adhesion and the water damage property of the asphalt mixture are improved. The ceramsite modification process of the method is simple and controllable, industrial production can be performed after simple modification, and the obtained asphalt concrete treated by the oleic acid / coupling agent has the advantages of light weight, good mechanical properties, aging resistance, heat preservation, heat resistance and noise reduction, and has wide application potential in the fields of bridges, high-quality roads, environmental protection and the like. The method is low in process requirement, simple, easy to implement and suitable for large-scale engineering application.

The utility model discloses a kind of connecting structure in compliance with lever state drop test, comprising: at least three inserts, each the end of the insert is set as inverted cone;At least two bosses, the boss is located at the inverted cone end of insert, inverted cone groove is formed between adjacent two bosses, the connecting structure in compliance with lever state drop test, by the end of insert is set as inverted cone, and inverted cone groove is formed between boss, when frame body wraps inverted cone end of insert and boss, it will increase the connecting area and connecting point of frame body and insert, boss is embedded in frame body, form the connecting mode similar to mortise and tenon structure, make the combination of both more closely and firmly, the design of this multiple connecting point and larger connecting area can more evenly disperse external force, when being subjected to drop impact, force can be conducted and dispersed through multiple paths, thereby reducing the stress of single point at connecting place, reduce the risk of fracture at the connecting place of insert and frame body.

The application provides a new type of gasket material for intelligent self-lubricating joint bearings and a preparation method and application thereof, and belongs to the technical field of composite materials, self-lubrication and intelligent monitoring, in particular, the preparation method of the new type of gasket material for intelligent self-lubricating joint bearings comprises the following steps: S1: preparing a conductive synergistic material; S2: preparing a modified performance reinforcing material; S3: preparing a phenolic resin diluent; S4: preparing a conductive modified phenolic resin adhesive film; S5: preparing an insulating modified phenolic resin adhesive film; S6: preparing a pretreated fabric; and S7: preparing a new type of gasket material. The new type of gasket material for intelligent self-lubricating joint bearings prepared by the above method can realize the integration of "material-function", intelligently monitor the wear state of the bearing according to the step change of the electrical conductivity, has the advantages of excellent friction-reducing and wear-resistant performance and high sensitivity, can significantly simplify the structure of the bearing system and reduce the maintenance cost, and is suitable for the fields of aerospace and the like.

The utility model discloses a multilayer composite food packaging film, which relates to the technical field of packaging films and comprises a packaging film main body, a protective layer, a barrier layer, an adding layer and a contact layer are respectively arranged in the packaging film main body, the protective layer is arranged at the top of the barrier layer, the barrier layer is arranged at the top of the adding layer, and the adding layer is arranged at the top of the contact layer. An adhesive is arranged between every two of the protective layer, the barrier layer, the adding layer and the contact layer, and the interior of the protective layer is made of a high-density polyethylene material. According to the multi-layer composite food packaging film disclosed by the utility model, a plurality of functional layers are arranged in the packaging film main body and comprise the protective layer, the barrier layer, the adding layer and the contact layer, and the layers are tightly adhered by adopting the water-based adhesive; by adopting a multi-layer composite structure, multiple functions of physical protection, gas and moisture barrier, antibacterial protection, food safety and the like are realized, and the storage safety and freshness of food are effectively improved.

The utility model relates to a water stop strip mounting structure between new concrete and old concrete of a gate culvert. The device is installed between an old concrete structure and a new concrete structure. Comprising a cutting groove formed in the middle of the vertical face of the old concrete structure, a water-swelling water stop belt is installed in the cutting groove, a water stop piece is arranged in the cutting groove, the inner end edge of the water stop piece makes contact with the water-swelling water stop belt, a left pressing plate and a right pressing plate are installed on the vertical face of the old concrete structure, and the two pressing plates clamp the water stop piece. The interior of the cutting groove is grouted to form a grouting body, an epoxy mortar layer covering the pressing plate is arranged on the vertical face of the old concrete structure, a polyethylene high-pressure closed-pore plate is arranged on the outer side of the epoxy mortar layer, and the outer side edge of the polyethylene high-pressure closed-pore plate makes contact with the water stop piece. The part, located outside, of the water stop strip is integrally poured and formed in the new concrete structure, and the polyethylene high-pressure closed-pore plate is located between the epoxy mortar layer and the vertical face of the new concrete structure. The installation structure overcomes the defects that a water stop piece is not firmly installed, the water stop effect is poor, and construction is inconvenient in an existing installation structure.

The utility model relates to sealing equipment technical field, and disclose a kind of glove vacuum packaging temperature control sealing machine, including: stand, the top of the stand is fixedly installed with fixed plate.This kind of glove vacuum packaging temperature control sealing machine, while completing vacuum extraction and exiting packaging bag in suction pipe, automatically drive two heat sealing plates to realize sealing by moving towards each other, optimize the operation of vacuum extraction and sealing in traditional equipment as coherent action, simplify overall packaging process, reduce mechanical equipment operation link, improve production efficiency, while reducing the complexity of equipment mechanical structure, save design, manufacturing and maintenance cost, and heat sealing plate adopts wave shape design, will increase the contact area of heat sealing plate and packaging bag, make the combination of sealing part more tightly firm, effectively prevent the problems such as air leakage, cracking at sealing, further improve the quality of vacuum packaging, ensure that glove and other products are better protected during storage and transportation.

The invention provides an additive manufacturing method based on laser shock, and relates to the field of additive manufacturing. The additive method based on laser shock comprises the steps that a laser shock machining method is adopted, a laser beam is irradiated to a metal foil in the direction perpendicular to the metal foil, the metal foil impacts a substrate under the action of laser shock waves, and additive combination of the metal foil and the substrate is achieved through the impact action; wherein the material of the substrate comprises a metal material. According to the method, the solid metal materials can be tightly and firmly combined, and therefore efficient metal additive manufacturing is achieved. The additive manufacturing product prepared through the method has excellent tensile strength and elongation at the same time. In addition, the method has wide applicability and can be flexibly applied to machining of multiple metal materials, the material selection range of a traditional alloy powder cladding type additive manufacturing technology is effectively widened, the defects in the traditional additive manufacturing technology are remarkably reduced, and the overall manufacturing quality is improved.

The present invention discloses a detachable foot for an office chair, comprising a foot base and a support leg, wherein the center of the foot base is provided with a socket, and the foot base is evenly provided with a plurality of connecting arms extending in all directions, and the number of the support legs corresponds to the connecting arms; a protrusion is provided at one end of the support leg, and a mounting hole for mounting and matching with the protrusion is provided on the end surface of the connecting arm away from the socket; the protrusion has a taper, and the mounting hole has an inner conical surface matching with the taper of the protrusion, and the protrusion is provided with an external thread, and the mounting hole has an internal thread of the same form; during installation, the support leg is twisted to make the external thread of the protrusion rotate and match with the internal thread of the mounting hole, and the protrusion enters the mounting hole and the protrusion is pressed and matched with the conical surface of the mounting hole. The detachable foot for an office chair of the present invention divides the foot into a foot base and a support leg, which can reduce the packaging volume of the seat when it is packed, saving transportation costs; and it is not easy to pinch your hands during the installation process, and the operation safety is good.

The application discloses a kind of production device of aluminum-clad door and window, it is related to aluminum-clad door and window production technical field, including clamping box, the inside of clamping box is equipped with clamping chamber, the inside welding of clamping chamber is equipped with guide pipe, the inside sliding connection of guide pipe is equipped with guide plate, the side end surface of guide plate is welded with clamping plate, the side end surface of clamping plate is welded with reset rod, the outside of reset rod is sleeved with reset spring, the unified height of the present application is fixed by wood board and aluminum profile, then control initiative roll rotation, the two sides of wood board and aluminum profile are all in unified vertical plane, so that wood board and aluminum profile are all fixed in same position, then wood board and aluminum profile can be simultaneously cut from the same angle by cutting edge, so that the riveting of each side aluminum profile and wood board is facilitated, and all wood board and aluminum profile are cut into same length specification, so that wood board and aluminum profile can be quickly adhered and formed once, without secondary processing.

The utility model discloses a wheel hub motor with LED lighting light, including wheel hub casing, wheel hub end cover, rotary light emitting subassembly and side surface light emitting disc, wheel hub casing one side is equipped with wheel hub end cover, is equipped with a circle lamp hole on the wheel hub end cover, and the side surface light emitting disc is installed in the inboard of wheel hub end cover, is equipped with a circle LED lamp pearl on the side surface light emitting disc, and LED lamp pearl and lamp hole one to one correspondence, and LED lamp pearl is embedded from inboard lamp hole, two groups of rotary light emitting subassembly are installed in the both sides symmetry of wheel hub casing, and rotary light emitting subassembly includes base and LED lamp stick, and the base is integrally formed with wheel hub casing, and the detachable connection of LED lamp stick is installed on the base, and LED lamp stick vertical points to the central axis of wheel hub casing, and LED lamp stick rotates synchronously with the rotation of wheel hub casing, the utility model discloses the LED lighting light is integrated on wheel hub motor, and the battery of vehicle itself supplies power, can continuously emit light, and the connection is stable, and will not occur and throw off phenomenon because of high -speed riding, and the safety is high, and the lighting effect is good.

The utility model relates to earphone technology field, especially a kind of clip-on ear type bluetooth earphone, including ear cap, earplug, connecting antenna and connecting seat. Connecting antenna inside is provided with sound guide groove, sound guide groove inside is fixedly connected with sound guide pipe, one side is provided with first connecting block integrally formed limit installation disc, the other side is provided with second connecting block integrally formed support connecting bottom plate;Ear cap and earplug are spherical, the spherical shell of ear cap is connected and is composed of first front shell body and first rear shell body, the internal element of ear cap includes mainboard, electrical element, rubber seat and battery;The spherical shell of earplug is connected and is composed of second front shell body and second rear shell body, the internal element of earplug includes subplate, connecting thread, connecting plate, sound production device and support device;Connecting seat includes first connecting seat and second connecting seat.The utility model prevents the interference of absolute input electric signal through sound guide pipe, increases the stability of signal transmission between earphone.

The invention relates to the technical field of coating preparation, in particular to an anti-friction coating for a shaft-bushing friction pair assembly, a preparation method of the anti-friction coating and the shaft-bushing friction pair assembly. The anti-friction coating comprises a composite coating sprayed on the outer surface of a shaft and a wear-resistant coating sprayed on the inner surface of a bushing; the composite coating comprises a non-porous coating sprayed on the outer surface of the shaft and a porous coating sprayed on the surface of the non-porous coating, and the porosity of the porous coating is 25-30%. The lubricating agent is adsorbed and stored by the pores of the porous coating, and the filling rate of the lubricating agent of the porous coating can reach 93-95% of the total pore volume, so that the porous coating is fully saturated, and the lubricating agent is not easy to run off from the porous coating in the friction interaction process, so that the lubricating agent has an excellent lubricating effect, and the service life of the lubricating agent is prolonged. The lower friction coefficient between the shaft and the bushing is ensured, and the influence of the stopping effect is relieved.

This utility model discloses a shoe sole structure, the key technical points of which include an outsole and a midsole. The outsole has a groove extending forward and backward from the center of the foot. A reinforcing woven fabric and an anti-torsion plate are disposed between the outsole and the midsole. The reinforcing woven fabric is fitted onto the outsole. The anti-torsion plate is located in the center of the foot and extends forward and backward with an extension piece. The bottom of the extension piece has a protruding rib, which presses itself and a portion of the reinforcing woven fabric into the groove. This utility model has excellent anti-torsion performance, and the anti-torsion plate inside the sole fits tightly and securely, resulting in a long service life.

The utility model discloses a polytetrafluoroethylene antibacterial filter membrane which comprises a polytetrafluoroethylene ultrafiltration layer (1), an antibacterial layer (2), a polytetrafluoroethylene microfiltration layer (3), an activated carbon filter layer (4) and a polytetrafluoroethylene primary filter layer (5) which are sequentially distributed, and the polytetrafluoroethylene primary filter layer (5) and the polytetrafluoroethylene microfiltration layer (3) are membrane layers subjected to ozone corona treatment. Membrane holes of the polytetrafluoroethylene primary filtration layer (5) and the polytetrafluoroethylene microfiltration layer (3) are circular-truncated-cone-shaped holes, the small hole diameter of the circular-truncated-cone-shaped holes of the polytetrafluoroethylene primary filtration layer (5) faces the inlet side, and the small hole diameter of the circular-truncated-cone-shaped holes of the polytetrafluoroethylene microfiltration layer (3) faces the outlet side. The filter has the characteristics of good adsorption and antibacterial effects and high filtering efficiency.

This invention relates to the field of automotive interior technology, specifically disclosing an environmentally friendly, high-strength automotive headliner. From bottom to top, it comprises: a non-woven fabric layer, a first adhesive layer cast on the surface of the non-woven fabric layer, a first toughening fiber felt bonded to the surface of the first adhesive layer, a second adhesive layer cast on the surface of the first toughening fiber felt, a polyurethane substrate bonded to the surface of the second adhesive layer, a third adhesive layer cast on the surface of the polyurethane substrate, a second toughening fiber felt bonded to the surface of the third adhesive layer, and a fourth adhesive layer cast on the surface of the second toughening fiber felt. Both the first and second toughening fiber felts are made of toughening fibers. The first, second, third, and fourth adhesive layers are all made of composite ethylene-vinyl acetate copolymer. The multi-layered structure of this automotive headliner features tight adhesion, preventing interlayer separation, good external rigidity, and no deformation. It also exhibits excellent sound absorption performance, is odorless, and is safe and environmentally friendly.

The utility model discloses a bonding device for a spring cushion. The bonding device comprises a feeding mechanism, a bonding mechanism, a shell fabric mechanism and a fabric pressing mechanism, the feeding mechanism is used for conveying the spring string to the bonding mechanism; the bonding mechanism is used for bonding the bagged spring string to form a cushion; the shell fabric mechanism is used for unwinding and tensioning the shell fabric; the at least one cloth pressing mechanism is arranged between the feeding mechanism and the bonding mechanism, can independently move in the third direction and is used for being matched with the bonding mechanism and the shell fabric mechanism to bond the step-shaped and / or inclined shell fabric on the end face of the soft cushion; the cloth pressing mechanism capable of moving up and down is arranged to be matched with the bonding mechanism to bond the step-shaped and / or inclined shell fabric on the end face of the soft cushion, so that the shell fabric bonding of the soft cushion composed of bagged spring strings with different heights can be completed at a time, and the working procedures are reduced; and secondly, the step-shaped and / or inclined shell fabric is bonded through the fabric pressing mechanism, so that the shell fabric is tightly bonded with the soft cushion, and the quality of the soft cushion is improved.