57results about How to "Simple injection molding process" patented technology

A case comprised of a metal-resin composite body having a connector including a terminal fitting, the connector being integrated with an opening of a wall of a case main body so that the connector sandwiches an edge of the wall.

The invention relates to a combined motor stator component and sleeve used for a wet operation pump. The combined motor stator component and sleeve comprises a stator component and a sleeve, wherein the stator component comprises a stator iron core, a stator coil and a pole piece; a plurality stator teeth distributed at intervals extend integrally from the periphery of the stator iron core, one end of the pole piece is connected with the stator teeth in a matching way, the sleeve is integrally injected on the other end of the pole piece, and one or more positioning parts is/are arranged on the end face or the side face of a non-injection sleeve of the pole piece. The invention further relates to an assembly method of the combined motor stator component and sleeve, wherein the pole piece is placed and located in an injection mold, the sleeve is obtained by injection on the pole piece, then the other end of the pole piece is connected in a matching way with the stator teeth to obtain the combined motor stator component and sleeve for the wet operation pump. According to the invention, the pole piece is stably positioned in the injection mold to guarantee the injection molding effect of the sleeve.

The invention discloses a ceramic composite middle frame of a mobile terminal. The frame comprises a ceramic frame and a metal middle plate. The ceramic frame and the metal middle plate are connectedthrough a plastic framework. The metal middle plate and the ceramic frame are provided with lap joint structures. Meshing structures are arranged on the two sides of the plastic framework. A meshing structure on one side of the plastic framework is connected with the lap joint structure of the ceramic frame, and a meshing structure on the other side of the plastic framework is connected with the lap joint structure of the metal middle plate. The ceramic composite middle frame is formed by carrying out in-mold injection molding on a ceramic frame and a metal middle plate. The appearance surfaceof the middle frame has the texture that the ceramic is mild like jade and hard and wear-resistant. Local metallization can be achieved in the ceramic frame according to the antenna design requirement, natural design and layout are facilitated, and the overall middle frame is excellent in texture and effect. Meanwhile, the invention further discloses a preparation method of the ceramic compositemiddle frame for the mobile terminal.

The invention relates to a structure of a double colored plastic injection molding machine and process modification thereof. The structure comprises a die combining mechanism, injection devices and a die specially arranged for the die combining mechanism and the injection devices. The number of the injection devices is two, and one injection device has the same installing positions as a common injection machine and is installed on one side of the injection molding machine. The structure of the double colored plastic injection molding machine and process modification of the structure are characterized in that the other injection device is installed on the injection molding machine, after one injection device finishes injection of plastic slurry of one color, a controller gives commands, a die cavity is changed according to requirements, space is spared in a die, the other injection device starts injection of plastic slurry of another color, and a purpose of double colored plastic injection molding is achieved. The structure of the double colored plastic injection molding machine and the process modification of the structure have the advantages of omitting a rotating disc device and matched driving mechanism, locating mechanism and locking mechanism and reducing manufacture cost of the plastic injection molding machine. During plastic injection molding, rotating procedures are omitted, plastic injection molding time is saved, precision requirements on the die is reduced, production efficiency is greatly improved, and electrical energy consumption is reduced.

The invention relates to a wireless packaging structure of a high-power ceramic LED (Light-emitting Diode). The invention resolves the problems that in the prior art, the LED lamp adopts the bonding wire process, so that the process cost and the material cost are increased; and the bonding wire electrode is arranged above a luminous chip, so that the luminous efficiency of the light-emitting chip is reduced. The LED comprises a base, two eutectic electrode bonding wire pads, the luminous chip, and a lampshade jet-molded on the base; an anode end and a cathode end are led from the two sides of the bottom of the luminous chip respectively; the luminous chip is arranged at the two eutectic electrode bonding pads; the anode end is connected with one eutectic electrode bonding pad; and the cathode end is connected with the other eutectic electrode bonding pad. The invention has advantages as follows: as the wireless packaging technology is used, the bonding wire process is reduced, the complexity of the technological process is reduced, the dependability of the semi-finished product production is improved, and the cost is saved; and because the bonding wire is not arranged over the luminous chip, the luminous efficiency of the luminous chip is improved.

The invention discloses a polypropylene material with high rigidity and high heat resistance and a preparation method thereof, as well as an injection molding product and a preparation method thereof.The polypropylene material comprises polypropylene resin, an inorganic filler, a cycloolefin polymer, a color masterbatch, a nucleating agent, an antioxidant, an anti-ultraviolet light absorbent anda lubricant. The polypropylene material has the advantages of high powder filling, high crystallinity and low defect rate. The modulus, strength and heat-resistant temperature of an injection moldingfinished product can be improved by optimized design of a formula and matching with an appropriate injection molding process.

The invention relates to a motor bearing lubricating structure for a wet operating pump. The motor for the wet operating pump comprises a sleeve, a stator component and a rotor component, wherein the sleeve is positioned between the stator component and the rotor component; a bearing is arranged between a rotating shaft of the rotor component and the bottom of the sleeve; and one or more fluid channels is/are formed on a bearing body. The invention also relates to a motor employing the bearing lubricating structure. The stator component is integrally and seamlessly connected with the sleeve through a pole shoe of the stator component; and a stator core of the stator component is connected with the pole shoe through a chase mortise structure in a matching mode. The fluid directly penetrates through the fluid channels and contacts and impacts the bearing, the problems that the bearing is dry in operation to generate high-degree wear and the temperature is raised are solved, and the service life of the motor bearing for the wet operating pump is greatly prolonged; and meanwhile, the motor for the wet operating pump is simple in structure, low in manufacturing cost and suitable for large-scale popularization and application in production.

The invention discloses a completely-closed three-layer arc-shaped air guide plate structure of a wall-mounted air conditioner. The completely-closed three-layer arc-shaped air guide plate structure comprises an air guide plate injection-molding part, a heat insulating part and an aluminum alloy sheet which are arc-shaped structures, wherein the aluminum alloy sheet covers the inner side surface of the air guide plate injection-molding part to prevent the air guide plate injection-molding part from being deformed; the heat insulating part is arranged on a sandwich layer between the air guide plate injection-molding part and the aluminum alloy sheet; the two sides of the air guide plate injection-molding part are separately connected with supporting end plates which are in transition with the arc surface of the aluminum alloy sheet;, so that structural strength of the curved-surface end of the air guide plate is strengthened; transmission curved bars are further arranged at the two sides of the air guide plate injection-molding part; the transmission curved bars are connected with a transmission device which drives the air guide plate to integrally retract to reduce a seam between the air guide plate and the air outlet main body. According to the completely-closed three-layer arc-shaped air guide plate structure disclosed by the invention, the aluminum alloy sheet is additionally arranged on the air guide plate injection-molding part to strengthen the integral strength of the air guide plate, so that the air guide plate is effectively prevented from being deformed; and meanwhile, the integral appearance effect of the air guide plate is improved, so that the air guide plate structure has dustproof action.

A transformer provided by the invention comprises a skeleton, a primary winding, a secondary winding and a magnetic core. Wherein the skeleton is integrally formed with the primary coil, the skeletoncomprises a bobbin, and first bosses and second bosses respectively arranged at both ends of the bobbin. The skeleton is provided with through holes penetrating the bobbin, the first boss and the second boss. The primary coil is a flat coil, and the primary coil is integrally embedded in the first boss. The secondary coil is wound around the bobbin and the pins of the secondary coil are arranged on the second boss. The magnetic core includes an insertion portion inserted into the through hole and an outer portion disposed on the outer side of the skeleton. The invention also provides a manufacturing method of a transformer, comprising the following steps: opening a mold, molding the transformer skeleton by injection molding through a mold, placing a primary coil into a mold while molding the skeleton, and integrally molding the primary coil and the skeleton; installing the secondary coil and wind the secondary coil onto the skeleton; installing the core and mounting the core to the skeleton.

The invention discloses a gearbox release shifting fork supporting bolt with a ball head part made of a POE material and a preparation method of the gearbox release shifting fork supporting bolt. Theball head part of the bolt takes POE, or POE and glass fiber, or POE, glass fiber and molybdenum disulfide as raw materials of the ball head part of the bolt, and the ball head part of the bolt is connected to a bolt body through an injection molding process. The gearbox release shifting fork supporting bolt with the ball head part made of the POE material is simple in structure and capable of effectively improving abrasion resistance and strength of the gearbox release shifting fork supporting bolt, prolonging the service life of the gearbox release shifting fork supporting bolt, reducing maintenance frequency, effectively reducing noise in use, reducing weight and meeting the requirement for light weight of an automobile.

The invention provides an upside adding water type humidifier with a water tank and a base separable and high safety. The humidifier comprises the base, the water tank and a fan; the top of the base is provided with a water channel which is provided with an atomization device; an air outlet of the fan is connected to a fog outlet channel through an air pipe; the upper part of the water tank is provided with a water inlet, and the water tank is provided with a drain hole which is provided with a drain valve; a water level control device is arranged and used for controlling the opening or closure of the drain valve according to the water level in the water channel; and the water tank is removably connected to the base, and an air outlet of the fan or at least one part of the horizontal section of the air pipe is located within the height range between 50%-98% of the maximum water capacity of the water tank. According to the upside adding water type humidifier provided by the invention, the connection mode of an air duct structure and the water tank with the base is improved, so the humidifier facilitates of adding water; moreover, even if the water level control device is failed, the water in the water tank can not enter the fan or flow out of the humidifier, so the using safety is ensured.

The invention relates to a method of manufacturing a rotor for an electric machine, wherein the rotor is composed of at least one electric sheet wherein at least one electric sheet is thermally treated regionally to directly modify its magnetic permeability in the treated region.

The invention relates to a multi-linkage valve. The multi-linkage valve comprises a valve body, an installing plate, a control circuit board, pressure sensors and a cover plate, a cavity is formed inthe surface of the valve body, and multiple counter bored holes are formed in the bottom wall of the cavity; the installing plate is located inside the cavity and provided with through holes and installing bases, the installing bases and the through holes correspond to the counter bored holes in position and number, and the installing bases are inserted into the counter bored holes; the control circuit board is located in the cavity and gets away one side of the bottom wall of the cavity relative to the installing plate; the pressure sensors are installed inside the installing bases and electrically connected to the control circuit board through pins; the cover plate is used for sealing the cavity. The multi-linkage valve solves the problem that pressure sensors of a common linkage valve are arranged to protrude, and as a result the size is too large; the pressure sensors are arranged inside the valve body to be directly connected with the control circuit board electrically, and therefore the multi-linkage valve has the advantages of being low in production cost and small in size.

The invention provides a double injection mold which comprises a male mold, a male mold core located on the surface of the male mold, a first female mold and a first female mold core. The male mold core and the first female mold core form a basic part forming cavity; the injection mold further comprises an auxiliary assembly mounted on the male mold and the auxiliary assembly comprises a movable warp, a first leaning column penetrating through the male mold and an auxiliary ejector pin penetrating through the male mold core. Two opposite ends of the movable warp separately bear the first leaning column and the auxiliary ejector pin. When the first leaning column is pushed by the first female mold, the first leaning column is withdrawn to the male mold, so that the other end of the movablewarp pushes the tip of the auxiliary ejector pin to extend into the basic part forming cavity, so as to form a through hole of a basic part.

The invention discloses a lightweight, wear-resistant, spraying-free and noise-reducing ASA composite material for automobiles and a preparation method of the ASA composite material. The ASA compositematerial is prepared from the following raw materials in percentage by weight: 41-86% of acrylonitrile-styrene copolymer; 10%-60% of an acrylic styrene acrylate grafted copolymer; 3%-40% of vinyl fluoride micro powder; 2%-8% of a compatilizer; 1%-25% of hollow glass beads; 0.3%-5% of a coupling agent; 0.2%-1% of an antioxidant; 0.2%-1% of light stabilizer. The method comprises the steps: dividingthe hollow glass beads into three equal parts, putting 1/3 of the hollow glass beads and the other raw materials into a high-speed stirrer, and stirring for 5-10 minutes at the rotating speed of 500-1,800 revolutions per minute to obtain a premix; putting the premix into a double-screw extruder, adding the other two equal parts of hollow glass beads into the double-screw extruder from a side feeding hole respectively, and carrying out melt extrusion and granulation. The lightweight, wear-resistant, spraying-free and noise-reducing ASA composite material can be used for automotive interior andexterior plastic parts such as stand columns, grids, decorative strips and scratch-resistant strips.

An eyepiece lens group in a riflescope system comprises, from a front, eye side to a rear, object side, a glass lens and a plastic lens. The plastic lens has an aspherical surface and a diffractive surface, wherein the diffractive surface is on the front surface of the plastic lens and the aspherical surface is on the rear surface of the plastic lens. The aspherical surface of the plastic lens is utilized to abate the aberration. The diffractive surface of the plastic lens is utilized to abate the chromatic aberration. Therefore, the total numbers of lenses of the eyepiece lens group in the riflescope system could be reduced and the weight of the riflescope system could be reduced.

The invention discloses a sealing structure and a forming method. The sealing structure is applied between a metal insert part and a main body plastic part, and is characterized in that a sealing groove is formed in the metal insert part; a sealing ring is arranged on the sealing groove; a cylindrical plastic part sleeves on the outer side of the sealing ring; the main body plastic part is arranged on the outer side of the cylindrical plastic part; and the metal insert part, the cylindrical plastic part and the main body plastic part are hot melted through injection molding. The technical scheme provided by the invention has the beneficial effects that the sealing structure and the forming method are disclosed, the sealability between the main body plastic part and the metal insert part can be improved, the reliability and the actual operability of an injection process are further improved, and in injection molding process is simple in process and lower in cost.

The invention discloses a preparation process of a wiper plastic part with bones. The preparation process comprises the following steps: (1) drying materials before processing, and testing whether the materials are dried completely or not by an air injection method; (2) selecting an injection system with more temperature control sections and little self-friction heating during plasticization, wherein the actual weight of a product is not less than 2/3 of the injection amount of a machine; (3) molding a blank by a hot runner mold, wherein a heat insulation plate is arranged between the mold and a mold plate of an injection molding machine; and (4) measuring by the air injection method at melting temperature, wherein the temperature is set to be 290-315 DEG C. In the step (1), the temperature for drying the materials is 170 DEG C, and the time is above 3-4h. The preparation process disclosed by the invention has the characteristics of simple process and good product quality.