42results about How to "Controllable molding process" patented technology

The invention discloses plasma 3D printing remanufacturing equipment and method for a mold. The equipment comprises a monitoring system, a plasma beam processing system, a machining device for machining a to-be-repaired mold, a horizontal printing table for accommodating the to-be-repaired mold and a temporary fixing element for fixing the to-be-repaired mold temporarily, wherein the plasma beam processing system comprises a plasma generator, a printing position adjusting device, a gas supply device and a powder feeder; the monitoring system comprises a horizontal motion controller, a temperature detection unit, a distance detection unit, a printing distance adjusting controller and a rotation controller, and the temperature detection unit and the printing distance adjusting controller constitute a temperature regulation device. The remanufacturing method comprises steps of 1, mold defect detection and 2, mold repair. The plasma 3D printing remanufacturing equipment and method for the mold have the advantages that the design is reasonable, the operation is simple, convenient and high in efficiency, the use effect is good, a molding cavity is not needed to be closed, a repair process is performed directly in an atmospheric environment, and the quality of the repaired mold is good.

The invention discloses plasma 3D printing remanufacturing equipment and method for a roller. The equipment comprises a monitoring system, a plasma beam processing system, a machining device for machining a to-be-repaired roller and a horizontal printing table for holding the to-be-repaired roller, wherein the plasma beam processing system comprises a plasma generator, a printing position adjustment device, a gas supply device and a powder feeder, and the printing position adjustment device comprises a horizontal moving device and a printing distance adjustment device; the monitoring system comprises a horizontal moving controller, a temperature detection unit, a distance detection unit, a printing distance adjustment controller and a rotation controller, and the temperature detection unit and the printing distance adjustment controller form a temperature control device. The remanufacturing method comprises steps as follows: 1, roller defect detection; 2, roller repair. The plasma 3D printing remanufacturing equipment is reasonable in design, simple and convenient to operate, high in efficiency and good in use effect, a forming chamber is not required to be closed, the roller is repaired directly in the atmospheric environment, and the quality of the repaired roller is good.

The invention discloses a mold plasma 3D rapid prototyping remanufacturing device and method. The device comprises a monitoring system, a plasma beam processing system, a machining device used for machining a to-be-repaired mold, a level printing table used for placing the to-be-repaired mold, and a temporary fixing part used for temporarily fixing the to-be-repaired mold, wherein the plasma beam processing system comprises a plasma generator, an air supply device, a wire feeding device and a printing position adjusting device; the monitoring system comprises a horizontal motion controller, a temperature detection unit, a distance detection unit, a printing distance adjustment controller and a rotation controller; and the temperature detection unit and the printing distance adjustment controller form a temperature regulating device. The remanufacturing method comprises the steps of I, mold defect detection and II, mold repairing. According to the mold plasma 3D rapid prototyping remanufacturing device and the method, the design is reasonable, the operation is simple and convenient, the efficiency is high, the using effect is good, a sealed shaping room is not needed, the repairing process is directly carried out in the atmospheric environment, and the quality of the mold is good after repairing.

The invention discloses a preparation method and a product of a hydrogel plaster for cold compress. The method comprises the following steps: (1) performing an esterifying reaction on polyethylene glycol, polyvinyl alcohol and acrylic acid in the presence of an esterification catalyst to obtain polyethylene glycol and polyvinyl alcohol mixed acrylate; (2) mixing the polyethylene glycol and polyvinyl alcohol mixed acrylate with water-based tackifying resin, a crosslinking agent, a photoinitiator, a humectant, a mildew inhibitor, a cooling agent and water to obtain a hydrogel plaster stock solution for cold compress; and (3) continuously coating a substrate with the hydrogel plaster stock solution for cold compress through a coater, performing ultraviolet illumination to cure the gel, and cutting and packaging the cured gel to obtain the hydrogel plaster product. The preparation method of the hydrogel plaster has the advantages of convenient sources of raw materials, simple production process, rapidness and completeness in gel curing, and suitableness for mass production, and the obtained product has the advantages of stability in storage, no bubbles, high transparency, obvious cooling effect, good applicability and good moisture retention property.

The invention discloses roller plasma 3D printing equipment and method. The equipment is composed of a monitoring system, a plasma beam machining system and a horizontal printing table; the plasma beam machining system is composed of a plasma generator, a printing position adjusting device, an air supply device and a powder feeder; the printing position adjusting device comprises a horizontal movement device and a printing distance adjusting device; and the monitoring system comprises a horizontal movement controller, a temperature detecting unit, a distance detecting unit, a printing distance adjusting controller and a rotation controller, and a temperature adjusting and control device is composed of the temperature detecting unit and the printing distance adjusting controller. The method includes the steps that (1) a three-dimensional model is obtained, and hierarchy slicing treatment is carried out; (2) filling of a scanning path is carried out; (3) a printing path is obtained; and (4) layer-by-layer printing is carried out from inside to outside. The roller plasma 3D printing equipment is reasonable in design, easy and convenient to operate, high in molding efficiency and good in using effect; the molding process is directly carried out under the atmospheric environment; and molded rollers are good in quality.

The invention relates to an activated carbon filter element and a preparation method thereof. The activated carbon filter element comprises a cylindrical central rod and a filter layer arranged outside the central rod; the filtering layer comprises supporting fibers, bonding fibers and activated carbon particles, the supporting fibers cover the activated carbon particles to form a net-shaped structure, the bonding fibers are partially wound on the supporting fibers, partially wound on the activated carbon particles and partially simultaneously wound on the supporting fibers and the activated carbon particles, and the supporting fibers are subjected to fibrillation treatment. The invention aims at providing the activated carbon filter element which is higher in filtering flow rate and firmer in structure and the preparation method of the activated carbon filter element which is high in automation degree, free of pollution and capable of adjusting the size of the activated carbon filterelement at any time.

The invention discloses a mold and method for micro part machining. The die comprises an upper punch and a lower forming die which are oppositely arranged, a workpiece male die is arranged on the endface, facing the lower forming die, of the upper punch, a workpiece female die is arranged on the end face, facing the upper punch, of the lower forming die, and a flange lower die is arranged in thelower forming die in a sleeved mode; the top end face of the flange lower die abuts against the bottom end of the female die to jointly form a groove structure with an opening facing the male die, a matching hole is formed in the top of the supporting cover, the upper punch moves in the axial direction, penetrates through the matching hole and then is matched with the lower forming die to be usedfor enabling the male die and the female die to be matched to conduct punch forming on materials, punch forming is conducted through cooperation of plates of different thicknesses and a special punchdie, and the forming precision of micro parts is directly controlled by the precision of the die. Compared with traditional injection molding, powder forming and other modes, higher machining precision and machining efficiency can be provided, and therefore the existing precision requirement for micro parts is met.

The invention discloses a plasma 3D printing equipment and method for a roller. The equipment comprises a monitoring system, a plasma beam processing system and a horizontal printing table, wherein the plasma beam processing system comprises a plasma generator, a gas supply device, a powder feeder and a printing position adjusting device which comprises a horizontal moving device and a printing distance adjusting device; the monitoring system comprises a horizontal moving controller, a temperature detection unit, a distance detection unit, a printing distance adjusting controller and a rotation controller, and the temperature detection unit and the printing distance adjusting controller constitute a temperature regulation device. The method comprises steps of 1, obtaining of a 3D mold and layered slicing processing; 2, filling of a scanning path; 3, obtaining of a printing path; 4, layer-by-layer printing from inside to outside. The plasma 3D printing equipment and method for the roller have the advantages that the design is reasonable, the operation is simple, convenient and high in molding efficiency, the use effect is good, a molding process is performed directly in an atmospheric environment, and the quality of the molded roller is good.

The invention discloses a rapid differential-temperature flat plate hot embossing process for a polymer micro-nano structure. The rapid differential-temperature flat plate hot embossing process is characterized in that temperature of a hot embossing mold is kept consistent in the whole embossing period, set temperatures of an upper half mold and a lower half mold are different, the aims of smooth mold filling and mold release of the micro-nano structure are achieved through the differential-temperature mode, and the rapid differential-temperature flat plate hot embossing process is particularly suitable for rapid hot embossing of a polymer product with the single-face micro-nano structure. The temperature of the side, provided with the micro-nano structure, of the mold is set as a higher value, and the side, not provided with the micro-nano structure, of the mold is set as a lower value. At the initial stage of hot embossing, the temperature of a polymer substrate making contact with the high-temperature half mold rapidly rises to a high temperature, and mold filing is completed; and at the pressure maintaining stage, the polymer substrate is cooled through the low-temperature half mold, the formed micro-nano structure is shaped, and demolding is facilitated. By means of the process, it is avoided that because the mold is repeatedly heated and cooled, energy is consumed, and meanwhile the forming period of hot embossing is remarkably shortened; controllability of the forming process is high, the forming precision is high, and the overall consistency is good; and the mold sticking phenomenon of the polymer product is obviously improved, and demolding defects are effectively avoided.

The invention discloses die plasma cladding direct remanufacturing equipment and a remanufacturing method. The equipment is composed of a monitoring system, a plasma beam machining system, a machining device for conducting machining on a to-be-repaired die, a horizontal printing table for containing the to-be-repaired die and a temporary fixing piece for conducting temporary fixing on the to-be-repaired die; the plasma beam machining system is composed of a plasma generator, an air supply device, a powder feeding device and a printing position adjusting device; and the monitoring system comprises a horizontal movement controller, a temperature detecting unit, a distance detecting unit, a printing distance adjusting controller and a rotation controller, and a temperature regulation and control unit is composed of the temperature detecting unit and the printing distance adjusting controller. The remanufacturing method includes the steps of (1) die defect detection and (2) die repairing. The die plasma cladding direct remanufacturing equipment is reasonable in design, easy and convenient to operate, high in efficiency, good in using effect and free of sealing a molding chamber, the repairing process is directly executed under the atmospheric environment, and the quality of the repaired die is good.

The invention relates to an activated carbon filter element. The filter element comprises a cylindrical central rod and a filter layer arranged outside the central rod. The filter layer comprises activated carbon particles and fibers coating the activated carbon particles; the fiber content of the innermost layer of the filter layer is set between 30% and 70%, the fiber content of the outermost layer of the filter layer is set between 20% and 60%, and the fiber content of the innermost layer of the filter layer is higher than the fiber content of the outermost layer of the filter layer. The invention aims at providing an activated carbon filter element which has gradient change in product structure and has both good filtering effect, high flow velocity and high strength. Meanwhile, the invention provides a preparation method of the filter element, which is relatively simple and low in pollution.