70results about How to "Reliable molding" patented technology

A blocking device for mounting within a space defined within a hollow structure includes a holder and an expandable member. The holder is adapted to be mounted within the space. The expandable member is supported on the holder and is expandable by heat to form a foam member in order to block or substantially close the space. The holder includes a holder plate extending substantially perpendicular to the longitudinal axis of the space and supporting at least one side of the expandable member. The expandable member includes a constriction absorbing portion that is deformed so as to absorb potential constriction of the expandable member at the beginning of the expansion process of the expandable member.

The invention discloses a vacuum adsorption forming device which can be suitable for mass production of formed pieces through polypropylene cavity plates. The device comprises a vacuum extraction module, a vacuum box, a hydraulic machine and a heating module, wherein the vacuum extraction module is connected with the vacuum box; the vacuum box is arranged on a fixed plate of the hydraulic machine; a load bearing lifting module which is used for arranging molds and can vertically lift or lower the molds is arranged in the vacuum box; a press frame which can fix a polypropylene cavity plate at the opening of the vacuum box is arranged at the opening of the vacuum box; the heating module is arranged on one side of the hydraulic machine and comprises a heating unit and a moving unit which canbe used for moving the heating unit to the upper side of the fixed polypropylene cavity plate to heat the polypropylene cavity plate and can be deviated from the polypropylene cavity plate after the polypropylene cavity plate is heated; and the heating unit is connected with the moving unit.

A display panel which is adapted to be mounted on an electronic apparatus, includes a first printed display layer, a transparent material layer that is provided on the first printed display layer, and a second printed display layer that is provided on the transparent material layer so as to correspond to the first printed display layer. The first printed display layer, the transparent material layer and the second printed display layer are integrally formed to each other. The second printed display layer is displayed from the first printed display layer side through the transparent material layer.

The invention relates to a curved-surface LED display backboard stamping die machining method. The method is characterized in that used raw materials are sheets, the sheets are formed into curved-surface sheet bodies on first project curved surfaces, and other subsequent processes such as trimming, convex hull shaping, clamp hook forming, hole stamping, engraving, burr pressing, little bending, engraving, sprouting and complete-cycle bending are all finished on the formed curved-surface sheet bodies. During curved-surface forming, a male die, a female die and a pressure plate are provided, the working surface is a curved surface, pressing ribs are arranged on the die pressure plate, stretching and curved-surface stabilization are facilitated, and accordingly production efficiency is increased, and waste is reduced.

The invention discloses a method for manufacturing a plastic mould of an automobile door plate loudspeaker mask. The method comprises the following steps: (A) selecting a plastic component structure:a left decoration component and a right decoration component of the automobile door plate loudspeaker mask; (B) selecting a mould structure: (a) designing a die cavity of the mould; (b) designing a die core: adopting the following methods: adding a belting pile in a hook shape on the die core; polishing the face of the die cavity before processing the texture; and increasing the thickness of an installation clamping position; (c) designing a parting face and a template; (d) designing a sprue; (e) designing an ejection system; and (f) cooling: cooling and solidifying the plastic components quickly; injecting PP into the die cavity by an injection molding machine, recovering an ejector bar to a position where the mould is closed under the action of a recovery bar and a return spring and completing the mould. The invention has easy method, simple and convenient operation, high strength, high temperature resistance, high accuracy, strong degree of durability, stable performance and good insulation property, reduces a large number of time and expenses consumed by repairing the mould and saves various costs by more than 50% in the design and processing of the mould.

The invention relates to a calculating method for feeding of thin-walled bent copper pipes. The method comprises the following steps: bending a plurality of copper pipes of different lengths and different specifications at a certain angle on a pipe bending machine, setting the initial lengths of the copper pipes as L0, setting a pipe bending radius as R, measuring the actual lengths L of the bent copper pipes along the center lines of the bent copper pipes, and calculating the average value LAverage of the actual lengths of the bent copper pipes of all specifications. Therefore, the pipe bending elongation Delta is equal to LAverage-L0; and when the pipe bending angle is Theta, the pipe bending elongation Delta Theta is equal to (180-Theta)Delta/90, and the lengths LN' of the bending points of the Nth segments of the bent copper pipes are equal to L1+(180-Theta1)PiR/180-(180-Theta1)Delta/90+L2 + ...... + (180-ThetaN-1)PiR/180-(180-ThetaN-1)Delta/90+LN. The axial lengths of the central lines of the bent copper pipes produced according to the method have little difference; the pipe bending is simple; and the accuracy is high.

The invention discloses a method for batched formation of square beams for biological soil reinforcement. The method for batched formation of the square beams for biological soil reinforcement comprises the following steps that (1) materials required by a mold are prepared; (2) cut organic glass plates provided with holes are assembled; (3) a light mold required for tailoring of geotechnical cloth is manufactured, and the geotechnical cloth is tailored according to the sizes of light materials; (4) the geotechnical cloth is placed in square beam mold cavity units, and sandy soil is added into cavities defined by the geotechnical cloth; (5) prepared bacteria are poured into test piece molds; (6) the two or four wetted test piece molds are placed in a container side by side, and a plurality of layers of mold sets are arranged according to the actual condition; (7) the multiple layers of mold sets are soaked in a chemical solution; and (8) the square beams for biological soil reinforcement are formed after a reaction. According to the method for batched formation of the square beams for biological soil reinforcement, by means of the flatness of the surface of organic glass and the good water permeability of the holes, cuboid test pieces formed after the chemical reaction are angular, high in surface flatness, uniform in texture and stable in mechanical property, and a scientific research test for testing the bending performance can be conducted in the later stage conveniently.

The invention discloses a butyl adhesive tape production line device used for automobiles. The device comprises a rack, a backing unreeling and feeding mechanism, a top film paper unreeling and feeding mechanism, a gumming mechanism, a compound mechanism, a cutting mechanism, a detaching mechanism and a trimming mechanism, wherein the backing unreeling and feeding mechanism comprises a backing unreeling roller and a backing clamping roller; the top film paper unreeling and feeding mechanism comprises a top film paper unreeling roller and a top film paper clamping roller; the gumming mechanismcomprises a butyl rubber extruding machine; the butyl rubber extruding machine is communicated with a gumming die head through a gum conveying pipe; a gumming roller corresponding to the gumming die head is mounted on the rack; an electric gumming telescopic rod for driving the gumming roller to get close to the gumming die head is mounted on the rack; and the compound mechanism is provided with apressure roller mechanism, the cutting mechanism, the detaching mechanism and the trimming mechanism in sequence. According to the device, the process flow is greatly reduced, the production efficiency is improved, the production process is carried out by adopting automatic equipment, extra manpower is not needed, and the manpower cost is reduced.

The invention discloses a method for efficiently forming hollow bricks through high-pressure microorganism solid soil. The method comprises the following steps that 1, a material needed by a die is prepared; 2, organic glass plate with holes is assembled; 3, a light die is manufactured, and geotechnical cloth is tailored according to the size; 4, two transverse screw rods are disassembled; 5, a PVC pipeline is installed in a rectangular die cavity; 6, sandy soil is added to a cavity defined by the geotechnical cloth, and a geotechnical cloth top cover is sewn; 7, by means of the two transversescrew rods, the distance between two longitudinal side plates is fixed; 8, prepared bacteria are poured into a test piece, and then the whole die is placed in a chemical solution, and located under the pressure of two standard atmospheric pressures; and 9, after reacting is carried out for 3 days, biology solid soil hollow bricks are formed. Compared with traditional hollow bricks, the hollow bricks formed efficiently through the high-pressure microorganism solid soil does not need to be inserted and formed at a high temperature, air pollution is reduced, the environment is protected, and themethod is an ecological environment-friendly method.

The invention discloses an air hole structure on a relay shell. The structure comprises a base hole formed in the relay shell and capable of communicating the inside with the outside of the shell, anda plug capable of shielding the outer end part of the base hole is assembled in the base hole on the relay shell. The plug is matched with the base hole, so that an air hole of which the air passageis of a non-straight passage structure is formed in the relay shell. Pollutants can be effectively prevented from directly intruding into the relay shell through the air holes, the air channel is notprone to being blocked, and the relay shell can be manufactured and formed in a simple, easy and economical mode.

The invention discloses a stamping tool of a plate-shell type evaporator plate bundle element, belonging to the field of punch forming machinery. The stamping tool comprises a bottom platform, an upper die, a lower die, a punch plate bundle, a hydraulic driving device and a portal frame, wherein the hydraulic driving device is fixedly arranged at the lower end of the portal frame, the punch plate bundle is fixedly arranged at the lower end of the hydraulic driving device, the upper die is arranged below the punch plate bundle, and the upper die is provided with a plurality of uniformly distributed upper die through holes; punches of the punch plate bundle are arranged in the upper die through holes, the lower die is arranged on the bottom platform and is provided with a plurality of uniformly distributed lower die through holes, and the lower dies are arranged between the bottom platform and the upper die. The stamping tool of the plate-shell type evaporator plate bundle elementis high in stamping efficiency, reliable in forming and high in finished product rate.

The invention relates to a production technology for stamping molds for back boards which are important structural components of liquid crystal displays of curved-surface televisions. The technology is characterized in that firstly, molding is performed on first engineering curved surfaces, subsequent processes such as trimming, convex hull reshaping, hook molding, hole stamping, stamp-marking, burr pressing, little bending, stamp-marking, sprouting, all-around bending and the like are performed on curved surfaces, and the curved surfaces are formed by drawing sheet metal parts into box-shaped bodies with bottoms being curved surfaces in first engineering and then cutting off excess materials; and during drawing of the curved surfaces, drawing pressing ribs are arranged on the molds, and drawing and stabilization of the curved surfaces are facilitated.

The invention belongs to the technical field of packaging mechanical devices, and relates to a composite device, in particular to a corrugated board forming device. The corrugated board forming device comprises a lower corrugated roller, an upper corrugated roller, a supporting roller and a shaping roller, wherein the lower corrugated roller, the upper corrugated roller, the supporting roller and the shaping roller are arranged on a wall board. The upper corrugated roller and the shaping roller make rolling contact with the lower corrugated roller. The upper corrugated roller is arranged on one side of the top end of the lower corrugated roller. The supporting roller is attached to the upper corrugated roller. The axis of the lower corrugated roller, the axis of the upper corrugated roller and the axis of the supporting roller are on the same straight line. The shaping roller is arranged below the upper corrugated roller. Reliable forming of a corrugated board can be effectively achieved through the additional shaping roller; rolling instead of secondary minification is needed when the corrugated board is rolled by the lower corrugated roller and the shaping roller after being rolled by the upper corrugated roller and the lower corrugated roller, abrasion to the rollers is small, the high and low edges and the inclined edges of the corrugated board can be effectively eliminated after the corrugated board pass through the shaping roller, and the aims of being environmentally friendly and saving energy can be achieved without any heat energy.

An insulating body for a plug connector is provided, having at least one seat for a contact, the seat being open in the peripheral direction and surrounding a receiving space for the contact over an angular range which is greater than 180 degrees and smaller than 300 degrees, and wherein at least one peripheral edge of the seat has a guide web provided thereon which is elastic in the radial direction of the seat and which has a wall thickness that is greater at the free end than in the region of the connection to the seat.