26results about How to "Avoid Bubble Problems" patented technology

The utility model belongs to the technical field of cable production, and discloses a labeling device for pasting a cable label, which comprises a rack assembly for supporting and stripping the label to extend outwards, and a rolling assembly arranged in the middle of the rack assembly and used for elastically clamping and rolling the label to paste the cable, a discharging assembly used for gathering the cables to sequentially and horizontally fall to be labeled is arranged above the rolling assembly. The rolling assembly comprises a fixed pressing roller and a movable pressing roller; the discharging assembly comprises a discharging frame, a discharging hopper is arranged at the top of the discharging frame, the discharging frame and the discharging hopper are both of a two-half type, a cable passing channel is formed in the middle of the discharging frame, a material distributing mechanism used for separating single discharging of the cables is arranged on one side of the discharging frame, and a pulling mechanism used for pulling the cables to fall and be labeled is arranged below the material distributing mechanism. According to the labeling device for pasting the cable labels, through linkage of the rotary shifting wheel and the pulling wheel, automatic sorting, positioning and conveying of the cables are achieved, manual intervention is reduced, and the labeling speed is increased.

The utility model discloses a 2.5 D laminating mechanism, which is used for laminating 2.5 D glass, and is characterized by comprising a box body, and one end of a pipeline port 41 of the box body is connected with an exhaust fan; the screen plate 2 is connected with the screen frame 1 of the box body, the screen plate 2 and the box body form a closed structure, the driving mechanism is located in the closed structure and connected with the roller 3, the axial direction of the roller 3 is parallel to the short edge of the screen plate 2, and the roller 3 is attached to the side, located on the box body, of the screen plate 2. The driving mechanism can drive the roller 3 to move in the extending direction of the screen 2 and rotate around the axis of the roller 3 at the same time. When the membrane is grabbed, the exhaust fan vacuumizes the interior of the closed structure, so that the membrane is adsorbed on the screen plate 2, the membrane is aligned and contacted with 2.5 D glass to be laminated, and the driving mechanism drives the roller 3 to move around the axis of the roller 3 while moving in the extending direction of the screen plate 2, so that the laminating processing of the 2.5 D glass and the membrane is realized.

The application discloses an injection molding method for a toy light guide pipe, which can avoid the occurrence of flow lines and bubbles in the toy light guide pipe after injection molding. The technical scheme is as follows: an injection molding method for a toy light guide pipe, which comprises a mold provided with a cavity, and the cavity is provided with a gate through which glue is injected into the cavity, and the glue injection is divided into five stages, i.e., a first glue injection stage, a second glue injection stage, a third glue injection stage, a fourth glue injection stage and a fifth glue injection stage. The glue injection speed of the first glue injection stage is the largest, the glue injection speed of the third glue injection stage is larger than that of the second glue injection stage and the fourth glue injection stage, and the glue injection speed of the fifth glue injection stage is the smallest. The glue injection pressure of the first glue injection stage is smaller than that of the second glue injection stage, and the glue injection pressure of the second glue injection stage is smaller than that of the third glue injection stage. The application belongs to the technical field of injection molding.

The invention provides an interlayer rear windshield and a vehicle. The interlayer rear windshield comprises a glass body, a low-radiation layer, a heating function layer, a first conductive element and a second conductive element. The glass body comprises an outer glass plate, a bonding layer and an inner glass plate which are stacked. The outer glass plate comprises a first surface and a second surface which are oppositely arranged, the inner glass plate comprises a third surface and a fourth surface which are oppositely arranged, and the bonding layer is located between the second surface and the third surface. The low-radiation layer is arranged on the fourth surface. The heating function layer is arranged in the glass body and located between the second surface and the third surface, and the heating function layer is used for generating heat when powered on. The first conductive element and the second conductive element are arranged between the second surface and the third surface, one of the first conductive element and the second conductive element is used for being electrically connected with a positive electrode of an external power supply, the other one is used for being electrically connected with a negative electrode of the external power supply, and the first conductive element and the second conductive element are electrically connected with the heating function layer.

This invention relates to the field of vacuum forming machine technology, and proposes a negative pressure integrated vacuum forming machine and method. The machine includes a support platform, a mounting frame fixedly connected to the top of the support platform, a material feeding frame on the inner side of the mounting frame, a lifting mechanism on the inner side of the mounting frame, an infrared heater fixedly connected to the top of the inner side of the mounting frame, and a vacuum forming mechanism below the material feeding frame. The vacuum forming mechanism includes a mold, with an air cavity at the bottom of the inner side of the mold. A three-way pipe communicating with the interior of the air cavity is fixedly connected to the bottom of the mold. One end of the three-way pipe is fixedly connected to an air outlet pipe, and the other end is fixedly connected to an air inlet pipe. A dual-axis motor is fixedly installed inside the support platform. An air extraction component is provided at the outlet end of the air outlet pipe, and an air inlet component is provided at the inlet end of the air inlet pipe. This invention effectively solves the technical defects of traditional vacuum forming machines through uniform negative pressure adsorption in the air cavity, rapid cooling in the annular cavity, non-destructive positive pressure demolding, and integrated power transmission.

The utility model relates to the technical field of plate film coating processing, in particular to plate film coating equipment capable of preventing film surface corona treatment effects from being inconsistent, which comprises a corona generating device, the corona generation device comprises a corona support, a corona roller rotationally arranged on the corona support and a plurality of discharge teeth which are arranged on one side of the corona roller, the extension direction of the discharge teeth is parallel to the axis of the corona roller, and the discharge teeth are uniformly distributed in the circumferential direction of the corona roller; a discharge gap is formed between the discharge end surface of each discharge tooth and the surface of the corona roller, and the discharge gap is used for a film to pass through; the corona roller has the beneficial effects that the discharge teeth are uniformly distributed in the circumferential direction of the corona roller, so that the corona treatment effect received by a film when the film passes through a discharge gap is consistent, insufficient or excessive local treatment is avoided, the bonding uniformity after film coating is further improved, and the problems of local delamination or bubbles and the like of a plate are avoided.

The utility model discloses a mold structure for a small water gap eccentric thin wall in a climbing injection molding process, which comprises a base, and a lower mold seat is fixedly arranged in the middle of the top end of the base. Smooth flowing of plastics can be ensured, uneven flowing can be reduced, defects caused by uneven flowing in the injection molding process are avoided, the climbing part is arranged in the flow guide channel, smooth flowing of plastic materials in the mold can be ensured, the problems of uneven cooling and bubbles caused by flow speed changes are avoided, and the injection molding quality is improved. The multiple eccentric small water openings are formed, multi-section injection can be conducted at the same time, then the injection molding efficiency is improved, an air cooler is powered on to generate cold air, the cold air is guided into a first annular cooling groove and a second cooling groove through an air outlet pipe, then materials in a forming groove can be evenly cooled, and therefore the cooling time is shortened, and the injection molding efficiency is improved. The working efficiency is improved.

The utility model discloses a 3D (three-dimensional) glass cover plate processing jig, which comprises a mold, a positioning device, a positioning device and a clamping device, and the mold is provided with a placing groove for placing a 3D glass cover plate; the heating assemblies are installed on the mold, the heating assemblies are arranged at the multiple R-angle positions of the containing groove in a one-to-one correspondence mode, and the R-angle positions are heated, so that attachment between the membrane and the 3D glass cover plate is achieved; compared with the prior art, the thermal lamination processing between the 3D glass cover plate and the diaphragm is realized, so that the lamination effect between the corner position of the 3D glass cover plate and the diaphragm can be effectively improved, and bubbles or wrinkles generated after the diaphragm releases tension due to the bending angle of the corner are avoided, so that the yield of the 3D glass cover plate in the lamination processing process is improved, and the production cost is reduced. And meanwhile, the die can be suitable for products with different corner bending radians, and the overall application range of the die is widened.

The application discloses a kind of chopped carbon fiber reinforced fluorine-containing resin composite material and preparation method and application, belong to composite material preparation technical field, the application includes: to chopped carbon fiber is sequentially carried out surface activation treatment, homogeneity coating treatment and chemical bonding treatment, to be gradually structured interface bonding layer on the surface of chopped carbon fiber;The treated chopped carbon fiber is mixed with fluorine-containing resin matrix, and extrusion forming is obtained, and composite material is obtained.The application is sequentially carried out surface activation, homogeneity coating and the three-step synergistic modification of chemical bonding, first activation provides reaction site, then pass through homogeneity coating and eliminate the interface energy difference between fiber and matrix, finally pass through chemical bonding and lock interface, and gradually structured interface layer of strong combination, effectively solve the problem that chopped carbon fiber and fluorine-containing resin interface compatibility is poor, and easily peeling, realize the significant improvement of the mechanical properties of composite material.

The application discloses a manufacturing method of a high-heat-dissipation-efficiency pouring type driving transformer, and belongs to the technical field of power electronic equipment manufacturing. The method aims to solve the technical problems of low heat dissipation efficiency and insufficient long-term reliability of the existing driving transformer caused by the limited heat conduction performance of the pouring material, the simple surface heat dissipation structure and the difficult coordination of internal thermal stress. The method comprises the following steps: constructing a three-dimensional digital model of a reinforced heat dissipation structure with a boss array and a groove array and preparing a corresponding forming die; positioning a magnetic core and a winding as an insert in a die cavity; pouring insulating colloid with different mechanical and heat conduction properties in batches in a vacuum environment; through a segmented curing process, the flexible colloid is fully filled in the internal gap and buffers the stress, and at the same time, the high-heat-conduction rigid colloid forms an external main body and a heat dissipation structure, thereby forming an integrated pouring body. The method is used for manufacturing the driving transformer suitable for high-power-density and high-heat-dissipation scenes, and can significantly improve the heat dissipation capacity and operation reliability of the driving transformer.

The utility model discloses a kind of mobile phone glass cover plate processing laminating device, belong to mobile phone parts production technical field, comprising: machine body;Supporting plate, the lower surface of the supporting plate is fixedly connected with the upper surface of machine body;Laminating mechanism, the laminating mechanism is set on the side wall of supporting plate;Through the cooperation between above each device, by being provided with laminating mechanism, using flexible air bag carries out laminating and adhering processing, replace traditional "line contact" roll-in mode into "face contact" progressive pressurization mode, improve the laminating effect of laminating device to mobile phone glass cover plate, flexible air bag itself can be deformed simultaneously, therefore curved surface shape mobile phone glass cover plate can also be perfectly adhered to entire curved surface, realize the edge of curved surface is evenly applied pressure, effectively avoid the wrinkle situation when curved surface shape mobile phone glass cover plate laminating, not only improve the overall laminating effect of laminating device, also improve the application range of laminating device.

The utility model relates to the technical field of prepreg production, in particular to a uniform resin coating device of a prepreg impregnator. The uniform resin coating device of the prepreg impregnator comprises a supporting frame, a motor, a conveyor, a supporting frame, a water pump, a high-pressure spray head and a connecting pipe, the motor is installed on the right side of the front side of the supporting frame, the conveyor is arranged in the supporting frame, an output shaft of the motor is connected with the conveyor, and the water pump is connected with the high-pressure spray head. Two supporting frames are fixedly connected to the left side of the supporting frame, a water pump is installed on the front side of the supporting frame, the top of the water pump is connected and communicated with a connecting pipe, and a high-pressure nozzle is arranged at the end, located in the supporting frame, of the connecting pipe. The roller is in contact with the material, so that wrinkles on the material are smoothed, and the stability of the coating process is ensured; and the thickness of the sprayed resin is adjusted by the scraping plate, so that the resin is uniformly distributed on the surface of the material, the problems of bubbles or uneven thickness and the like caused by uneven coating are avoided, and the resin coating quality is improved.

The application provides a reagent mixing processor for medical immunological detection, which comprises a workbench and a driving unit, the driving unit drives a bearing shell to swing in a circular trajectory in the horizontal direction; the bearing shell is located on the top of the workbench and is overlapped with an annular bearing plate on the top of the workbench shell, the bearing plate is used for supporting the bearing shell, and the driving unit does not bear the supporting action; a fixing assembly for fixing a reagent container, the fixing assembly is several, and the several fixing assemblies are uniformly distributed on the bearing shell; the fixing assembly clamps the middle or middle upper part of the container, and with the swinging of the bearing shell, the container swings in a circular trajectory with the clamping point as the center. The device realizes the circular swing of the bottom of the container by driving the bearing shell to swing in a circular trajectory, simulates the action of gently swinging the test tube manually, and realizes efficient and gentle mixing without high-speed stirring or magnetic auxiliary.

The utility model discloses a kind of PVC floor circulation heating segmented edge compression forming devices, including workbench, the limit cylinder is installed in the both ends of compression roller, the circular through-hole is opened in the middle of compression roller, heat conduction cylinder is installed in the circular through-hole, the heat conduction cylinder can be telescopic in circular through-hole to adjust heating area, two constant temperature ovens are installed on the workbench, heat conduction oil is equipped in the constant temperature oven, heat conduction oil flows in constant temperature oven and heat conduction cylinder by circulating pump.The beneficial effects of the utility model are that heat conduction cylinder can be telescopic in compression roller to adjust heating range, can reduce heat energy waste, heat conduction oil can flow between constant temperature oven and heat conduction cylinder by circulating pump, can be convenient for heating compression roller, the edge of PVC floor can be compressed by two groups of compression roller segmentation, can be convenient for hot-pressing, prevent PVC floor surface from forming bubble, ensure floor flat, improve hot-pressing effect.

This utility model relates to the field of protective film technology and discloses a button protective film that facilitates precise positioning. It includes an extrusion block, a positioning shell, mounting holes, a positioning label, and a protective film body. Positioning grooves are formed in the middle of both sides of the upper surface of the positioning shell. Pull strips are fixedly installed on both sides of the positioning label. Removable adhesive is fixedly installed at the lower ends of the positioning label and the two pull strips. The protective film body includes an anti-slip layer, a sweat-absorbing layer fixedly installed at the lower end of the anti-slip layer, an elastic layer fixedly installed at the lower end of the sweat-absorbing layer, a support layer fixedly installed at the lower end of the elastic layer, and an adhesive layer fixedly installed at the lower end of the support layer. This utility model enables precise positioning of the protective film body during button application, ensuring a perfect match with the top of the button, and improves the usability of the protective film body.

The utility model provides decorative paper winding equipment, which relates to the technical field of winding equipment and comprises a support, a plurality of guide rollers are rotatably arranged on the support and used for guiding decorative paper; the winding roller is rotationally arranged on the support, and a driving piece used for driving the winding roller to rotate is fixedly arranged on the support. The tensioning roller is rotationally arranged on a fixed seat arranged on the support in a sliding mode, and an adjusting piece is arranged on the support and used for driving the fixed seat to move back and forth in the direction away from or close to the winding roller; the spraying pipe is located between the winding roller and the tensioning roller, the spraying pipe is connected to the air pump through a connecting pipe, a nozzle is arranged on the spraying pipe in a communicating mode, and the nozzle right faces the decorative paper. Decorative paper can be effectively prevented from loosening in the winding process, and it is ensured that the paper is always kept in a uniform and compact state in the whole winding process.

The application relates to the technical field of PCB processing, in particular to a PCB resin hole plugging processing technology, which comprises the following steps: S1, completely cleaning a PCB to be subjected to hole plugging by using a chemical cleaning agent; S2, selecting low-viscosity resin according to the application requirement of the PCB; S3, performing one-time resin filling, and performing high-frequency vibration on the via hole of the PCB during the filling process; S4, curing the low-viscosity resin plugged into the via hole of the PCB; and S5, performing two-time resin filling. The two-time resin hole plugging mode can prevent the problems of holes in the resin-plugged holes being hollow and having bubbles due to the fact that the through holes are deep, the viscosity is large, the resin flowability is influenced, and the resin cannot sufficiently flow and fill the PCB via hole, and can prevent the resin from overflowing when the PCB resin hole plugging is performed on a relatively thin PCB.

The utility model relates to the technical field of injection molding, and discloses an injection mold structure for umbrella-rib-shaped products made of PP (polypropylene) materials, which comprises a lower mold and an upper mold arranged on the right side of the lower mold. According to the injection mold structure for the umbrella-rib-shaped product made of the PP material, a segmented injection technology is adopted, two groups of hot runners are arranged in each group of independent cavities, the injection process is divided into a plurality of stages, the injection speed and pressure are adjusted according to filling requirements of different areas, uniform flowing of the PP material in a complex umbrella rib structure can be ensured, and the production efficiency is improved. A plurality of small runners are arranged in the mold, and particularly the tiny runner design is adopted at the detail part of the umbrella rib, so that the PP material can uniformly flow in a complex cavity, and the phenomenon of unsmooth flow or incomplete injection molding is avoided; the problems that a traditional mold is poor in fluidity, incomplete in filling, long in forming period and prone to buckling deformation in the injection molding process are solved.

The utility model relates to the field of circuit board production and processing, in particular to a film laminating device for flexible circuit board production, which comprises a base, a mounting frame, an air cylinder, a sliding plate, a hot pressing block and a guide rod, the mounting frame is arranged on the upper portion of the base, the air cylinder is mounted inside the mounting frame, and a piston rod of the air cylinder penetrates through the lower portion in the mounting frame in a sliding mode. Guide rods are symmetrically arranged in the middle of the upper portion of the base, the sliding plate is connected with the guide rods in a sliding mode, and a guide rail is installed in the middle of the base. The first die and the second die are fixed to be of a double-station structure through the connecting frame, automatic station switching is achieved in cooperation with synchronous belt transmission, the processes of charging, hot pressing and cooling are executed in parallel, the equipment vacancy time is shortened, and the production efficiency is remarkably improved; an output shaft of the motor drives the synchronous belt to drive the connecting frame to move horizontally, and the double guiding effects of the guide rails and the guide rods guarantee that the moving tracks of the first mold and the second mold do not deviate.

The utility model relates to a supporting rod type processing bubble prevention electroplating hanger which comprises a hanger body, a plurality of hanging rods arranged on the hanger body and a plurality of supporting rod assemblies arranged on the hanging rods, the hanging rods are arranged at equal intervals in the vertical direction, the supporting rod assemblies are arranged at equal intervals in the length direction of the hanging rods, and the supporting rod assemblies are located on the two sides of the hanging rods; the supporting rod assembly comprises a first supporting rod and a second supporting rod, the first supporting rod comprises a first rod, a second rod and a third rod, the second rod is connected with the first rod and the third rod, the first rod extends in the direction away from the hanging rod, the third rod extends in the length direction of the hanging rod, and the third rod penetrates through the metal piece; the second supporting rod comprises a connecting rod arranged on the hanging rod and a supporting rod arranged on the connecting rod, the supporting rod inclines upwards in the direction away from the hanging rod, and the supporting rod is used for supporting the metal piece. The electroplating method has the effect of preventing bubbles or watermarks from occurring when the metal part is electroplated.

This invention discloses a water-based coating with fire-retardant and thermal insulation functions, its preparation method, and its application, relating to the field of water-based coatings. This water-based coating with fire-retardant and thermal insulation functions, through an innovative raw material ratio, combines inorganic and organic flame retardants, along with surface-treated insulating glass microspheres and a specific ratio of inorganic hybrid emulsion, successfully enabling the coating to simultaneously possess excellent fire-retardant and thermal insulation properties. Test results of Examples 1-3 show that the coatings all achieve a 1-hour fire resistance rating, with the lowest thermal conductivity reduced to 0.042 W / (m·K), far exceeding the performance of the control example, which only possesses basic fire-retardant functions and insufficient thermal insulation performance. When this multifunctional coating is applied to building exteriors, industrial equipment surfaces, and vehicle interiors, it can effectively prevent the spread of fire, ensure personnel safety, reduce energy consumption, and improve energy efficiency.

This invention discloses a pressing device for processing decorative panels in architectural design, belonging to the field of decorative material processing technology. It includes a workbench with two movable sliding frames. A loading roller is positioned between the two sliding frames. When the sliding frames move the loading roller, melamine paper on the loading roller is spread onto a raw board on the workbench. Each of the two sliding frames has a swingable connecting member on its opposite sidewall. This invention allows the melamine paper to be laid onto the raw board by the loading roller and then cut by a cutter, eliminating the need for manual laying, reducing labor costs and intensity. Furthermore, the pressing plate and cleaning strip simultaneously smooth and clean the melamine paper while laying it, thereby improving the pressing effect of the decorative panel.

The utility model discloses a wireless charger blue film gummed paper exhaust mechanism manufacturing device which comprises a shell, a blue film gummed paper body is arranged in the shell, a reciprocating mechanism is arranged at the top end of the shell, and an adjusting mechanism is arranged in the shell. The reciprocating mechanism comprises a machine box fixedly connected to the interior of the top end of the shell, a first motor is fixedly connected to the interior of the bottom end of the machine box, first rotating teeth are fixedly connected to the outer side wall of an output shaft of the first motor, and a rotating rod is rotationally connected to one side of the machine box. The end, located in the machine box, of the rotating rod is fixedly connected with second rotating teeth, so that the effect that a punching pipe punches holes in the blue film gummed paper body is achieved, through the design of *-shaped air holes, air is effectively exhausted during follow-up vacuum pressing of the blue film gummed paper body, gummed paper wrinkles and gummed paper bubble abnormity can be avoided, and the service life of the gummed paper is prolonged. And through the semi-automatic design, the processing efficiency of the blue film gummed paper body is improved.

The invention relates to the technical field of high polymer materials, and particularly discloses an air duct cover plate injection molding part and a preparation method thereof. The invention discloses an air duct cover plate injection molding part which comprises the following components: 70-90 parts of HIPS (High Impact Polystyrene) resin, 3-10 parts of master batch A and 10-17 parts of master batch B, the master batch A is prepared from the following components in parts by weight: 20-30 parts of PET, 5-8 parts of a toughening agent and 1-2 parts of an antioxidant; the master batch B is prepared from the following components: 20 to 30 parts of PET (Polyethylene Terephthalate), 8 to 15 parts of a lubricant and 8 to 15 parts of modified montmorillonite. By utilizing the technical scheme provided by the invention, the prepared air duct cover plate injection molding part material has excellent impact resistance, excellent ethanol resistance and excellent grease resistance, and is particularly suitable for ventilation systems of automobiles and various equipment.

This invention provides a compressor oil injection structure and method, belonging to the field of compressor manufacturing technology. The oil injection structure includes a gun body with an oil injection needle inside. The oil injection needle can move along its own axis within the gun body, and one end of the needle has an oil outlet. The gun body has a vacuum port and an oil injection port, with the vacuum port connected to a vacuuming device. When the oil injection needle moves, it can connect the oil outlet to the vacuum port or the oil injection port. This structure allows oil to be injected into the compressor after vacuuming, thereby improving the compressor's oil injection efficiency, avoiding oil spraying during the injection process, and providing a strong guarantee for the compressor's efficient production and stable operation.

The present application relates to the technical fields of dry electrode film preparation, and discloses a dry electrode film roll pressing composite equipment, which comprises a pre-composite non-powered unwinding assembly, a hot pressing roller assembly with a hot pressing passing gap and two separator film unwinding assemblies; the pre-composite non-powered unwinding assembly comprises a current collector unwinding shaft, a pre-composite passing roller and two dry film unwinding shafts arranged in sequence along a second direction, a dry film passing gap is formed between the two dry film unwinding shafts, a tangent line of the outer diameter of the pre-composite passing roller and a midpoint of the dry film passing gap along the second direction are sequentially arranged along a first direction and projectively coincide, and the two separator film unwinding assemblies are sequentially arranged along the second direction. The dry electrode film roll pressing composite equipment avoids the dry film attached to the current collector due to the air flow disturbance or tension fluctuation of the protective separator film, at the same time, avoids the wrinkle of the separator film, effectively reduces the defect rate, and improves the roll pressing composite quality and the stability of the roll pressing composite operation.