15results about How to "Avoid weak bonds" patented technology

The utility model discloses a kind of wood furniture processing is glued with pressure device, including support frame, the upper end of support frame is provided with pressure equalizing mechanism, pressure equalizing mechanism includes support plate, press roll and transmission roller, transmission roller is provided with press roll above support plate top, the gap between press roll and transmission roller is adjusted by adjusting limit nut and screw rod, adapt to the board of different thickness, the left side of pressure equalizing mechanism is provided with pressure equalizing mechanism, pressure equalizing mechanism includes conveying assembly and booster assembly, conveying assembly includes mounting bracket and gyro wheel conveyor belt, mounting bracket is installed on the left side of support frame, gyro wheel conveyor belt is installed on mounting bracket, the wood furniture processing is glued with pressure device and is additionally provided with pressure equalizing mechanism and pressure equalizing mechanism, pressure equalizing mechanism avoids wood board surface damage by uniform preliminary pressure, and pressure equalizing mechanism ensures that wood board is uniformly stressed after stacking by accurate booster pressure, finally improve the gluing quality and overall stability of wood board.

The invention relates to an ultrasonic technology-based polo shirt top fly adhesive pressing method, which comprises the following steps of: preparing materials, namely selecting a top fly fabric and an adhesive pressing material; front fly fabric pretreatment; setting ultrasonic parameters; glue pressing treatment and glue pressing post-treatment are carried out; and quality detection. The ultrasonic technology is adopted, the ultrasonic hot melt adhesive film is selected and used, the adhesive film can be rapidly and evenly melted under the specific ultrasonic frequency, and the molecular structure of the adhesive film can be firmly combined with the front fly fabric and the polo shirt body fabric; in addition, through precise control over ultrasonic parameter setting, rapid melting and uniform distribution of the adhesive film can be guaranteed through precise frequency, the fabric is tightly attached through proper pressure, it is guaranteed that gaps between the fabric can be fully filled with the adhesive film, and the fabric quality is improved. The problem that the fabric is damaged due to too long time or the bonding is not firm due to too short time is avoided due to the proper glue pressing time, and the defects caused by the traditional sewing and common hot-pressing glue technology are effectively overcome.

The invention provides a chip resistor dispensing device. The chip resistor dispensing device comprises a product conveying line, a dispensing table, a feeding mechanism and a fastening assembly. The product conveying line comprises a track, a material pushing air cylinder and a plurality of material loading jigs which are tightly attached together, the material loading jigs are provided with center holes, the center holes are used for containing the chip resistors, the edge of each center hole is provided with a plurality of positioning strips, and the material pushing air cylinder is used for pushing the material loading jigs to slide along the track so that the material loading jigs can move horizontally towards the glue dispensing table; a bracket, a liquid storage barrel and a dispensing needle are arranged on the dispensing table, and the dispensing needle is arranged on the liquid storage barrel and faces the track; the dosage of the heat-conducting glue is accurately controlled through the glue dispensing needle, so that unstable bonding between the radiating fin and the chip resistor caused by too small dosage of the heat-conducting glue is avoided; the side surface of the product is prevented from forming bumps due to excessive use of the heat-conducting glue, and the bad probability caused by the use of the heat-conducting glue is reduced; and the dispensing and bonding processes are automatic, so that the production efficiency of products is improved.

The invention relates to a gravure device and a method for preparing multilayer wear-resistant wood grain decorative paper by using the gravure device. The gravure device comprises a rack, the feeding wheel roller assembly is rotationally connected to the rack and used for conveying three layers of wear-resistant wood grain decorative paper to be printed; the printing wheel roller assembly comprises a pressing wheel roller and a gravure wheel roller which are rotationally connected with the rack, a gap is formed between the pressing wheel roller and the gravure wheel roller, an ink pond is arranged at the bottom of the gravure wheel roller, and the gravure wheel roller is partially arranged in the ink pond; and the pressing wheel roller is movably connected with the rack through the adjusting mechanism, and the adjusting mechanism drives the pressing wheel roller to move towards the gravure wheel roller. Errors caused by poor contact are reduced, key procedures such as bonding and printing are integrated in compact equipment, the number of times of transferring and positioning of materials among different procedures is reduced, and therefore errors caused by inaccurate transferring and positioning are reduced.

The automatic assembling machine comprises a machine body, a positioning rod, a first hot melting mechanism and a second hot melting mechanism, the positioning rod is attached to the machine body through the first end of the positioning rod, and the second end, opposite to the first end, of the positioning rod can allow the hair roller to be arranged on the positioning rod in a sleeving mode; the positioning rod is driven to move from the first station to the second station, the first hot melting mechanism is used for hot melting one end of the hair sticking belt to the hair cylinder at the first station, and the second hot melting mechanism is used for hot melting the other end of the hair sticking belt to the hair cylinder at the second station; moreover, the automatic assembling machine further comprises at least one radial resisting component, and the radial resisting component is configured to be suitable for abutting against the second end of the positioning rod and exert force on the positioning rod in the direction of supporting the positioning rod to resist the crimping force of the first hot melting mechanism and the second hot melting mechanism so as to prevent the positioning rod from plastic deformation under the action of the crimping force. Compared with the prior art, the scheme can prevent the positioning rod from plastic deformation.

The present invention discloses a modified organosilicon marine antifouling coating based on energy dissipation, by introducing hydroxyl groups into modified polysiloxane resin, thereby utilizing the chemical crosslinking and hydrogen bonding effect of polar hydroxyl groups to enhance the bonding force between the cured coating and various substrates. More prominently, positively charged groups are introduced into the modified polysiloxane resin to ensure effective energy dissipation of the polymer, and its loss factor tanδ is relatively stable and close to 1 within a suitable temperature range, thereby ensuring that the cured coating fully utilizes the hydrogen bonding effect to achieve a firm bond with various substrates. On this basis, the hydrophobic siloxane main chain structure still ensures the hydrophobicity and low surface energy characteristics of the cured coating, achieving excellent antifouling effects. The coating can be widely used in various aspects of the marine antifouling field, and is particularly suitable for various marine industrial facilities that are immersed in seawater environments for a long time.

The utility model relates to camera technical field discloses an integral type camera module, including chip subassembly, chip subassembly includes circuit board, image sensor, support and light filter, image sensor is located on the upper end of circuit board, support is located on the upper end of image sensor, and support lower extreme is located in the non -photosensitive area of image sensor, the one end away from circuit board of support is provided with the mounting groove, light filter is located in the mounting groove, the lower end of support is provided with annular groove, the one end away from circuit board of support is provided with the through -hole of the intercommunication of annular groove, the one end away from circuit board of support is provided with the exhaust hole of the intercommunication of annular groove, through the through -hole injects the glue in annular groove to fixed mounting on the upper end of image sensor with support;Through setting up support in the non -photosensitive area of image sensor, avoid the support to occupy the placing space of circuit board component, improve the space utilization of circuit board to reduce the volume in the X / Y direction of circuit board, and then reduce the volume of camera module.

The high-temperature-resistant brake pad material is prepared from the following raw materials in parts by weight: 18 to 22 parts of boron modified phenolic resin, 10 to 15 parts of modified carbon fiber, 4 to 7 parts of aramid fiber, 9 to 13 parts of ferrotitanium powder, 10 to 15 parts of potassium magnesium titanate lamellar crystal, 3 to 5 parts of nitrile rubber powder, 4 to 6 parts of natural graphite, 3 to 5 parts of petroleum coke, 5 to 8 parts of barite and 3 to 5 parts of aluminum oxide. According to the high-temperature-resistant brake pad material, boron-modified phenolic resin serves as a base body, functional components such as modified carbon fibers, aramid fibers, ferrotitanium powder and potassium magnesium titanate lamellar crystals are matched, and through the reasonable formula design and the forming technology, on the basis that it is guaranteed that a brake pad has the excellent friction and wear performance, the high-temperature-resistant brake pad material is obtained; the thermal stability and the interface bonding strength of the material under the high-temperature working condition are remarkably improved, and the problems that a traditional brake pad material is prone to heat fading and interface stripping under the high-temperature braking condition are solved.

The utility model belongs to the technical field of knife sharpeners, and particularly relates to a knife sharpener which comprises a handle, an installation protrusion is arranged at one end of the handle, four installation faces distributed in a rectangular shape are arranged on the peripheral side of the installation protrusion, and the installation faces comprise two first installation faces arranged oppositely and two second installation faces arranged oppositely. First mounting grooves are formed in the first mounting faces correspondingly, first grinding pieces are fixedly arranged in the first mounting grooves correspondingly, second mounting grooves with T-shaped sections are formed in the second mounting faces correspondingly, the ends of the second mounting grooves extend to the ends of the mounting protrusions, second grinding pieces are arranged in the second mounting grooves correspondingly, and fixing covers are detachably arranged at the ends of the mounting protrusions. The fixing cover abuts against the end portion of the second grinding piece and enables the second grinding piece to be fixedly arranged on the installation protrusion. The knife sharpener is simple in structure and convenient to assemble and use.

The invention discloses a construction system and method for reserving an anti-floating anchor rod hole-forming position in a foundation bed, and belongs to the technical field of foundation engineering construction.The construction system comprises a plurality of positioning steel bars fixed in a soil body, and the positioning steel bars are located at the circle center of an anchor hole; positioning pipes are arranged on the outer sides of the positioning steel bars, and circle center vertical projections of the positioning pipes coincide with the positioning steel bars; a cushion layer is poured outside the positioning pipe; after the cushion layer is initially set, the positioning pipe is detached to form a positioning hole, an anchor hole is drilled in the positioning hole, and the circle center of the anchor hole is consistent with that of the positioning hole. Two anchor hole positioning measures are adopted, a plurality of positioning holes are accurately reserved in the cushion layer, and anchor hole construction is performed in the positioning holes, so that the technical problem that the cushion layer can be damaged when holes are drilled in the cushion layer is solved, and the technical problems that positioning paint spraying is performed on the cushion layer, a drilling machine moves back and forth, and mud emerging after drilling covers the positioning paint are solved; therefore, the problems that positioning is difficult and anchor holes deviate in the traditional technology are solved, the anchor hole construction period is greatly shortened, positioning is accurate, and efficiency is high.

The utility model relates to the technical field of release films, in particular to a PET (Polyethylene Terephthalate) high-temperature-resistant release film convenient to strip, which comprises a release film, the release film consists of a central winding drum arranged at the central position and a film body wound on the central winding drum, the film body comprises a PET base layer, a high-temperature-resistant base layer is arranged on the outer surface of the PET base layer, and the high-temperature-resistant base layer is arranged on the outer surface of the PET base layer. A high-temperature-resistant bonding layer is arranged on the surface of the high-temperature-resistant base layer, a release layer is arranged on the surface of the high-temperature-resistant bonding layer, a surface protection layer is arranged on the surface of the release layer, and a plurality of reinforcing protrusions are integrally formed on the surface of the high-temperature-resistant base layer and extend into the high-temperature-resistant bonding layer. A plurality of inner grooves are formed in the side face, close to the high-temperature-resistant bonding layer, of the release layer and used for increasing the fixed contact area between the release layer and the high-temperature-resistant bonding layer. The high-temperature-resistant adhesive tape has the effects of convenient stripping and high-temperature-resistant protection, and is beneficial to prolonging the service life.

The invention provides a plate edge banding machine for wooden furniture production, which belongs to the technical field of plate edge banding equipment and comprises a machine table, a conveying belt, an edge bonding assembly, a fine trimming assembly and an edge pressing roller. The edge pressing roller comprises a metal roller and connecting pipes fixed to the two ends of the metal roller respectively, cover plates are fixed to the two connecting pipes, the outer side of the metal roller is sleeved with a rubber sleeve, the two ends of the rubber sleeve are connected to the two cover plates respectively, and a sealed containing cavity is formed between the metal roller and the rubber sleeve. When the environment temperature is high, the cooling water circulating machine circularly conveys cooling water into the containing cavity, the cooling water circularly flowing in the containing cavity can cool the hot melt adhesive coated on the plate, the curing speed of the hot melt adhesive is increased, and the phenomenon of knife sticking in the follow-up procedures such as fine trimming and polishing is avoided. And by arranging the heating plate, when the environment temperature is low, the plate is heated, the curing time of the hot melt adhesive can be prolonged, and the edge sealing strips are fully bonded.

This utility model relates to the field of corrugated cardboard processing technology, and in particular to a corrugated cardboard ballast device, including a base plate, which is a rectangular plate. A fixed frame is installed at the top left end of the base plate. A first guide roller group, a second guide roller group, and a third guide roller group are respectively installed at the top, middle, and bottom positions between the fixed frame. A fixed plate is installed at the rear end of the top of the base plate and on the right side of the fixed frame. A glue spraying pipe, a heating element, a rotating roller, and a pressing pipe are installed on the side of the fixed plate from left to right. Four columns are rectangularly distributed on the top of the base plate. A conveyor belt is installed between the four columns and is located on the right side of the fixed plate. A support plate is set between the conveyor belts. This utility model can spray glue and heat the corrugated cardboard to be ballasted by means of the glue spraying pipe and the heating element on the side of the fixed plate. Then, in conjunction with the pressing pipe and the ballast components on the conveyor belt, it can effectively press the top, middle, and bottom three layers of corrugated cardboard.

The utility model discloses a cooling tower noise reduction device which comprises a shell, an upper noise reduction assembly and a lower noise reduction assembly, the upper noise reduction assembly comprises a supporting plate, noise reduction cotton and a barrier strip, the supporting plate is in threaded connection under an air outlet, the noise reduction cotton is fixed on the inner side of the supporting plate, the barrier strip is arranged on the inner side of the supporting plate, and the noise reduction cotton is fixed on the lower side of the supporting plate. And the lower silencing assembly is located at the bottom of the inner side of the shell and comprises guide plates, silencing plates, limiting grooves and limiting protrusions, the multiple sets of guide plates are hinged to the lower portion of the supporting plate at equal intervals, the two sets of limiting grooves are fixed to the right sides of the guide plates, and the limiting protrusions are clamped to the right sides of the limiting grooves. The silencing plate is fixed to the right side of the limiting protrusion. According to the silencing device, the fastening degree between the silencing assembly and the water guide plate can be improved, the situation that bonding is not firm after glue is soaked in water for a long time is prevented, the silencing device can be prevented from falling off from the water guide plate, and therefore application and popularization are facilitated.

The utility model relates to the technical field of pencil processing, and discloses a pencil processing rubber core mechanism which comprises a transmission mechanism, a first gluing mechanism and a second gluing mechanism are arranged at the top end of the transmission mechanism, a pressing mechanism is arranged at one end of the transmission mechanism, the transmission mechanism comprises a transmission box body, and a transmission groove is formed in the middle of the top end of the transmission box body. A belt type conveying mechanism is arranged in the conveying groove, and the first gluing mechanism comprises two first electric supports which are fixedly installed on the other side of the top end of the conveying box body in a front-back symmetrical mode. By optimizing the design of the gluing structure, the independent wood plate gluing mechanism and the refill body gluing mechanism are adopted and are both arranged on the conveying mechanism, the wood plate can be glued firstly, the glued refill body is put into the circular groove in the wood plate, and then the glue can be applied to the wood plate; glue contact is guaranteed at the contact positions of the circular groove of the wood plate and the refill body, and the situation that the refill and partial areas of the pen holder are not firmly bonded is avoided.