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109results about How to "Paste tightly" patented technology

Acrylic ester pressure-sensitive adhesive with high permanent adhesion performance at 80 DEG C and preparation method thereof

The invention relates to an acrylic ester pressure-sensitive adhesive with the high permanent adhesion performance at 80 DEG C. The acrylic ester pressure-sensitive adhesive is prepared from, by weight, 55-90 parts of acrylic ester soft monomers, 5-25 parts of acrylic ester hard monomers, 0.5-15 parts of reaction-type functional monomers, 0.2-3 parts of an initiating agent, 5-30 parts of tackifying resin, 0.5-5 parts of a curing agent and 60-200 parts of a solvent. The acrylic ester pressure-sensitive adhesive is prepared through the processes that the acrylic ester soft monomers, the acrylic ester hard monomers, the reaction-type functional monomers and part of the initiating agent are dissolved, the total concentration of the monomers is controlled to be not lower than 60 wt%, the weight of the initiating agent accounts for 0.04%-0.1% of the total weight of the monomers, and heating reflux is conducted for 3-6 h; the remaining initiating agent is dropwise added, reacting continues for 0.5-2 h after dropwise adding, diluting and reacting are conducted step by step, and the obtained material is uniformly mixed with the tackifying resin and the curing agent. According to the pressure-sensitive adhesive prepared through the method, the performance is excellent, and a permanent adhesion performance test shows that displacement is not generated after the pressure-sensitive adhesive exists for 48 h at 80 DEG C.
Owner:WUXI HAITE NEW MATERIAL RES INST +1

Full-automatic assembly machine for bottom shell component of hanging headphone

ActiveCN107770715AReduce collection and transportation costsIngenious structural designMicrophonesLoudspeakersLight barrierHeadphones
The invention relates to a full-automatic assembly machine for a bottom shell component of a hanging headphone. A rack is provided with a carrier transfer device transferring clockwise, the carrier transfer device comprises a carrier transfer trough, the carrier transfer trough is internally fitted with a carrier, the bottom of the carrier transfer trough is provided with a carrier transfer installation base, the carrier transfer installation base is provided with a carrier feed air cylinder parallel to the carrier transfer trough, a carrier feed trough is arranged in the middle of a feed endof the carrier transfer trough, the carrier feed air cylinder is connected with a carrier feed push block matched with the carrier feed trough, and the rack is provided with a dustproof net feed mechanism, a horn assembling device, a film assembling mechanism, a light barrier assembling mechanism and a horn dispensing device that are matched with the carrier. Through adoption of the full-automaticassembly machine, continuous, automatic assembling is realized, a bottom shell feeding position and an assembled bottom shell discharging position are at the same position, so that a bottom shell material tray can be used for collecting a material of the assembled bottom shell, therefore, the collecting and transporting costs are lowered.
Owner:CHONGQING TECH & BUSINESS UNIV

Adhesive tape pasting and folding device for insulation paper and pasting and folding method thereof

The invention relates to an adhesive tape pasting and folding device for insulation paper. The device comprises a discharging mechanism, a pasting main body and a machine frame, wherein the discharging mechanism comprises an upper rotating shaft and a lower rotating shaft, the lower rotating shaft is sleeved with insulation paper, the upper rotating shaft is sleeved with two adhesive tapes, the two adhesive tapes are positioned above the two side edges of the insulation paper; the pasting main body comprises a pre-pressing rod and a counter-pressing roller, the lower ends of the two sides of the pre-pressing rod are fixed on the machine frame, the adhesive tapes and the insulation paper penetrate through the lower portion of the pre-pressing rod, so that the adhesive tapes are adhered to the insulation paper, the counter-pressing roller comprises an upper counter-pressing roller and a lower counter-pressing roller, the upper counter-pressing roller and the lower counter-pressing rollerare rotationally fixed on the machine frame through a mounting seat with adjustable pressure, the upper counter-pressing roller and the lower counter-pressing roller are driven by a driving device torotate and roll the insulation paper, then the insulation paper is discharged, a folding mechanism is arranged between the pre-pressing rod and the counter-pressing roller; a cutting mechanism used for cutting folded insulation paper is fixed on the machine frame.
Owner:福州鼎之诚机电设备有限公司

Waterproof key structure and mobile phone using same

The invention relates to a waterproof key structure which comprises a shell, a key switch, a flexible material part and a key. The key switch and the key are assembled on the shell in a position corresponding mode. The key is movably assembled on the shell. The flexible material part is installed on the key in a sleeved mode and pasted on the shell. When pressed, the key can abut against the key switch. A rigid supporting layer is arranged on one face of the flexible material part and pasted on the shell. The key extrudes the flexible material part in the pressing direction until the flexible material part deforms to be assembled together with the shell. In the structure, a rigid support is additionally arranged on foam and used for improving the assembling and locating performance; meanwhile, in the key assembling process, the flexible material part is pressed in advance so as to be in a compressed deformation state after being assembled, and therefore the good waterproof performance of the portion between the flexible material part and the shell is achieved; in addition, when the key is pressed, the direction of pressure is perpendicular to the pasting face of the flexible material part, and therefore the flexible material part can be prevented from slipping or falling from the shell, and the problem that the key is out of work can be avoided.
Owner:POWER IDEA TECH (SHENZHEN) CO LTD

Self-adhesive waterproof tile block for building

The invention relates to a self-adhesive waterproof tile block for building. The self-adhesive waterproof tile block is formed into a whole by connecting a tile and at least three tile pieces connected with the bottom edge of the tile; a gap is formed between each two tile pieces; the tile and the tile pieces are prepared from a separation plastic base film, and a first asphalt layer or a modified asphalt layer and a colorized fluorine silicone / acrylic nano-coating which are sequentially coated on the upper surface of the separation plastic base film; wherein, the whole asphalt or modified asphalt layer is covered with the colorized fluorine silicone / acrylic nano-coating, or only the tile pieces or the tile pieces and any position above the tile pieces are covered with the colorized fluorine silicone / acrylic nano-coating, and a layer of plastic surface film is compounded on the surface of an asphalt or modified asphalt layer which is not covered with the colorized fluorine silicone / acrylic nano-coating. The self-adhesive waterproof tile block of the invention has colorized surfaces and serves the double functions of water-prevention and decoration, and the self-adhesive waterproof tile block can prevent the corrosion of heavy solar ultraviolet rays and other harmful gases in the air, inhibit the harmful gases generated from the asphalt from volatilizing at high temperature, reduce the environmental pollution and prolong the service life of the asphalt or modified asphalt water-proof tile block.
Owner:德州科顺建筑材料有限公司

Equipment for coating paper on square wood parts

ActiveCN103182828AAutomatic turningAutomatic compactionLaminationLamination apparatusIndustrial engineeringWaste paper
The invention discloses equipment for coating paper on square wood parts, which comprises a frame and a controller. A conveying unit, a heating unit, an adhesive dispensing unit, a paper feeding unit, a paper pressing unit, a paper cutting unit and a paper waste recovery unit are arranged on the frame. The conveying unit comprises input delivery rollers, middle delivery rollers and output delivery rollers. The heating unit comprises an infrared heater. The adhesive dispensing unit comprises an extrusion-type pre-melted adhesive device and an adhesive dispensing port formed below the extrusion-type pre-melted adhesive device. The paper feeding unit consists of a support and a paper winding drum, and the paper winding drum is positioned in front of a heating rack. The paper pressing unit comprises a first paper pressing unit and a second paper pressing unit; the first paper pressing unit is positioned above the middle of the input and middle delivery rollers and comprises paper pressing mechanisms facing to the upper bottom, the left side and the lower bottom of a square wood part; and the second paper pressing unit comprises a paper pressing mechanism facing to the right side of the square wood part. The paper cutting unit comprises a cutter height alignment and regulation mechanism on which a first cutter and a second cutter are arranged. The paper waste recovery unit comprises a connecting base and a sucker. The equipment has the advantages of close bonding effect and flat and step difference-free joint.
Owner:宁波捷丰现代家俱有限公司

Cutting device for explosion-proof film

InactiveCN109940675AGuarantee paste qualityPrecise control of cutting positionMetal working apparatusEngineeringConductor Coil
The invention discloses a cutting device for an explosion-proof film. The cutting device comprises a support, a first guide rail, a moving block, a second guide rail, a first hydraulic cylinder, an explosion-proof film winding roller, a first motor, a cutter, a second screw rod, a second motor, a third guide rail and a third hydraulic cylinder. A second hydraulic cylinder is utilized for controlling a pressing plate to fall off to fix the pasted explosion-proof film, the first motor is utilized for driving the first screw rod to rotate, thus the pressing plate is controlled to press the explosion-proof film, thus the explosion-proof film is pasted closely and neatly, the second motor is utilized for driving the second screw rod to rotate, thus a connecting block is controlled to drive theexplosion-proof film winding roller to move, the third guide rail and a pulley are utilized for enabling the explosion-proof film winding roller to move stably, the third hydraulic cylinder is utilized for controlling the first hydraulic cylinder to move on the second guide rail, the first hydraulic cylinder is utilized for controlling the cutter to fall to cut the explosion-proof film, the devicecan fix the pasted explosion-proof film, the pasting quality of the explosion-proof film is ensured, and the cutting position can be controlled precisely.
Owner:江敏

Pumpkin seed polishing treatment equipment and technology

The invention discloses pumpkin seed polishing treatment equipment and technology. The pumpkin seed polishing treatment equipment is characterized by comprising a rolling drum, an isolation net, a dust remover and a blower, wherein a discharge opening is formed in one end of the rolling drum; the isolation net is welded to the other end of the rolling drum; guiding blades are welded to the inside of the rolling drum; coarse cloth is adhered to the inner wall of the rolling drum; the dust remover is abutted with the isolation net at the end part of the rolling drum through a horn mouth type outer connector; the blower is mounted at the end part of the dust remover. According to the pumpkin seed polishing technology disclosed by the invention, the rolling drum is driven by the transmission gear to rotate clockwise, so that seeds in the rolling drum generate friction with the wall of the rolling drum, and the seeds mutually generate friction; the dirt on the surfaces of the seeds is rubbed off, so that the seeds are prevented from being crushed, and the polished seeds can be bright, fine and smooth; a dust collector sucks impurities, such as dust, generated by friction, so that the dust is removed, the clean degree of the seeds in the rolling drum is improved, the polishing purpose is realized, and the commercial quality of seeds is improved.
Owner:青岛优百粒农业科技有限公司

Hollow glass with edge sealed by PUR glue and manufacturing method thereof

The invention belongs to the technical field of production of hollow glass, and discloses hollow glass with the edge sealed by PUR glue and a manufacturing method thereof. The hollow glass with the edge sealed by the PUR glue comprises glass, spacing bars, a bonding seal between the glass and the spacing bars and a bonding seal on the periphery of the glass, wherein the bonding seal between the glass and the spacing bars and the bonding seal on the periphery of the glass adopt PUR glue, and the bonding force and the sealing performance are improved by utilizing the chemical reaction between the PUR glue and water adsorbed on the surfaces of the glass and the spacing bars, so that the service life of the hollow glass is prolonged; small-specification hollow glass with a large glue proportion is used, moisture in the hollow cavity is absorbed by utilizing a moisture absorption effect generated by a wet reaction curing mechanism of the PUR glue, and no molecular sieve is arranged in the spacing bars; and large-specification hollow glass with a small glue proportion is used, molecular sieves are arranged in spacing bars, and preferably, the molecular sieves with a slow absorption function are adopted. The method is simple in technological process, high in mechanization and automation degree, short in production period, high in production efficiency and good in product quality.
Owner:温州前瞻玻璃科技有限公司

Assembly device capable of reducing axial eccentricity of tensile sample, and operation method

The invention discloses an assembly device capable of reducing the axial eccentricity of a tensile sample, and an operation method. The assembly device comprises a sample assembly steel platform (1), two clamping devices (2), two pulling-jacking devices (3), two location rods (4) and two pressing devices (5), wherein the clamping devices (2) next to the two sides of the sample, and are fixed with the sample assembly steel platform by U-shaped clamps; each pulling-jacking device (3) is composed of a pulling-jacking screw rod and a pulling-jacking disc surface; the location rods (4) are fixed onto the sample assembly steel platform by connection gaskets and locking nuts; and the pressing devices (5) are fixed with the sample assembly steel platform by U-shaped clamps. According to the invention, steel sheets with circular holes are symmetrically bonded on the end parts of the tensile sample with a rectangular section, of a cement base, and loads are applied through shafts inserted in the circular holes. According to the invention, the position centring of the circular holes is ensured through operating the pulling-jacking devices (3) and the pressing devices (5), and the bonding materials are controlled to be uniform, so that the steel sheets are closely and flatly bonded on the surface of the sample, and then the axial eccentricity of tensile sample is reduced.
Owner:HUNAN UNIV

Lighting device which can be used for camping and leisure and has vehicle safety warning light and fire detection functions

A lighting device equipped at all times in a vehicle, which can be used for camping and leisure and has a function of a safety warning light of the vehicle, according to the present invention, comprises: a rectangular-shaped fixing plate having a pair of first magnet members which are disposed horizontally; a ' '-shaped front insertion groove which is formed on the front surface of the fixing plate and is formed to be adjacent to the edges of the fixing plate excluding the upper or lower edge of the fixing plate; a ' '-shaped first support member which is selectively fixed to the front insertion groove and is installed rotatably toward the front surface with respect to the fixing plate by the medium of a hinge; a pair of side surface insertion grooves which are longitudinally formed on therespective sides of the fixing plate; a pair of second support members which are respectively coupled to the inside of the side surface insertion grooves by the medium of a hinge, and are unfolded ina direction opposite to the first support member; a light unit which has, on the rear surface thereof, a second magnet member coupled to the first magnet members, has a battery embedded therein, andhas a lighting device on the front surface thereof; and a cover which is rotatably coupled to the light unit by the medium of a hinge so as to selectively cover the lighting device, wherein the lighting device may flicker when the lighting device is covered by the cover.
Owner:金泰荣

Surgical instrument marker

The invention belongs to the field of medical instruments and particularly relates to a surgical instrument marker. The surgical instrument marker comprises a surgical instrument body; a marker is arranged on the holding surface of the surgical instrument body; the marker comprises a sticking groove formed in the surgical instrument body; a surface friction layer is arranged on the inner bottom surface of the sticking groove; a transparent plate matched with the size of the sticking groove is arranged in the sticking groove; the side wall, near the surface friction layer, of the transparent plate adheres to a two-dimensional code label; the side wall, far away from the transparent plate, of the two-dimensional code label is coated with backing glue; the two-dimensional code label is adhered to the surface friction layer through the backing glue. The surgical instrument marker has the following advantages: the two-dimensional code label and the transparent plate are provided, so that the marking effect can be improved, the marker and single identity label are provided for the surgical instrument and convenience is provided for management of the surgical instrument; furthermore, highcorrosion resistance, stable property and long service life are achieved; in addition, the marker is low in manufacturing cost and favorable for reducing expense.
Owner:THE AFFILIATED HOSPITAL OF QINGDAO UNIV

Single-face adhesive tape case sealer

The invention discloses a single-face adhesive tape case sealer and belongs to the field of production articles. The single-face adhesive tape case sealer is composed of a top plate, a fuel tank control module, a hydraulic clamping device, a bottom plate, a support column, a sealing compound device and a conveyor belt, wherein the hydraulic clamping device is provided with a first hydraulic cylinder, a second hydraulic cylinder, a third hydraulic cylinder, a first hydraulic pump, a second hydraulic pump, a third hydraulic pump, a frontal baffle plate, a side baffle plate, a connecting rod andthe like; and a cutoff compressing group is provided with a cutoff rod, a hold-down roll group, a connection oblique long rod, a connection straight rod, a connection oblique short rod, a connecting end and the like. Application of a hydraulic system enables the single-face adhesive tape case sealer to be adapted to to-be-sealed cases with different lengths and heights; a distance measuring sensorand a pressure sensor are cooperated to realize precise operation of the single-face adhesive tape case sealer, so that fast and precise positioning is realized, fastness and precision of case sealing through the adhesive tape are realized and the production efficiency is greatly improved.
Owner:台州金利娴子家居用品有限公司

Adjustable adhesive tape pasting tool

The invention discloses an adjustable adhesive tape pasting tool which comprises two vertical plates, rollers, adhesive tape pasting roller mechanisms and supporting guide rails. The two vertical plates are symmetrically arranged on a bottom plate, and supporting flat plates are arranged at the bottoms of the vertical plates; the supporting guide rails are arranged on the supporting flat plates correspondingly; sliding rollers are arranged on the supporting guide rails; the adhesive tape pasting roller mechanisms are symmetrically arranged on the adjacent surfaces of the two vertical plates correspondingly; roller fixing plates of the adhesive tape pasting roller mechanisms are hinged to the vertical plates through articulated shafts correspondingly; springs are arranged on the upper portions of the roller fixing plates correspondingly; and pressing rollers are hinged to the bottoms of the roller fixing plates correspondingly and located over the supporting guide rails correspondingly.The adjustable adhesive tape pasting tool is simple in structure, and can be used for machining rib plates with different sizes; the supporting guide rails are used to support the portions, where adhesive tape needs to be pasted therein, of the rib plates, so that the rib plates are prevented from being extruded and deformed; the double-sided adhesive tape does not deflect and is good in straightness; and release paper attached to the surface of the adhesive tape is torn off when pasting is performed, and the phenomenon that the release paper is manually torn off is avoided.
Owner:苏州奥卫川诚自动化科技有限公司

Full-automatic assembling machine of a hanging type earphone bottom shell part convenient for rubberizing

ActiveCN110602627ARealize continuous automatic assemblyReduce collection and transportation costsMicrophonesLoudspeakersBlock matchLoudspeaker
The invention relates to a full-automatic assembling machine of a hanging type earphone bottom shell part convenient for rubberizing. A carrier conveying device for clockwise conveying is arranged onthe rack; the carrier conveying device comprises a carrier conveying groove. A carrier is arranged in the carrier conveying groove in a matched mode. A carrier conveying mounting base is arranged at the bottom of the carrier conveying groove; a carrier feeding cylinder parallel to the carrier conveying groove is arranged on the carrier conveying mounting seat; a carrier feeding groove is formed inthe middle of the feeding end of the carrier conveying groove. The carrier feeding air cylinder is connected with a carrier feeding push block matched with the carrier feeding groove. A dustproof netfeeding mechanism, a loudspeaker assembling device, a film assembling mechanism, a light blocking piece assembling mechanism and a loudspeaker dispensing device which are matched with the carrier arearranged on the rack. By means of the automatic assembling machine, continuous and automatic assembling can be achieved, meanwhile, the bottom shell feeding station and the assembled bottom shell part discharging station can be located at the same position, then the assembled bottom shell parts can be loaded and collected through the bottom shell loading disc, and the collecting and transportingcost is reduced.
Owner:CHONGQING TECH & BUSINESS UNIV

Construction process for bridge crack repairing in building construction

The invention discloses a construction process for bridge crack repairing in building construction. The construction process for bridge crack repairing in building construction comprises the steps ofcutting carbon fiber cloth according to a size required by design, wherein before construction, the surface layer water content and the environment temperature of concrete at a bonding part should bemeasured; removing a loosened part on the surface of a reinforced member till a concrete structural layer is exposed; uniformly coating a prepared adhesive on the surface of the concrete of a part tobe bonded; laying the cut carbon fiber cloth on a base course coated with the adhesive, wherein a primer should be uniformly coated on the concrete surface, which is cleaned by acetone, by using a roller brush or a special brush; and using a special roller to roll the surface of the carbon fiber cloth in the fiber direction for multiple times. According to the construction process for bridge crackrepairing in building construction, the operation steps are simple and convenient, the close bonding of the carbon fiber cloth can be guaranteed so that the carbon fiber cloth cannot fall off in a natural environment, and the crack is repaired so that the service life and safety of a bridge can be guaranteed.
Owner:成都美吉房地产营销策划有限公司
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