137 results about "Forming pressure" patented technology

The invention provides an intelligent toy injection molding process optimization method which comprises the following steps: aiming at a key temperature control area, calculating an optimized cooling time value and a cooling water temperature set value through a correlation model of thermodynamic attribute parameters of toy materials, cooling time and cooling water temperature, and issuing the cooling time value and the cooling water temperature set value to an injection molding machine control system, meanwhile, according to the temperature fluctuation amplitude of the key area, the forming pressure value is finely adjusted, so that the temperature fluctuation of the key area is reduced; in the injection molding process, temperature data of multiple positions on the surface of the mold are collected in real time and transmitted to the central processing unit, the central processing unit conducts filtering and denoising on the collected temperature data and then judges whether the temperature data exceed the optimized temperature control range or not, if yes, an alarm mechanism is triggered, and meanwhile operation parameters of the injection molding machine are automatically adjusted. And the time for deviating from the temperature control range is shortened to the minimum.

The invention relates to the technical field of parameter optimization, in particular to a plastic mold forming parameter optimization method and system based on big data, and the method comprises the following steps: collecting pressure data, calculating an acceleration sequence, recognizing a peak window, matching a pressure-temperature ratio, and building a combined cluster to obtain an optimization result set. According to the method, a speed increasing sequence is constructed based on the die cavity pressure change rate, a high-dynamic section is screened through a peak value ratio, automatic identification of an effective forming section is achieved in combination with continuous ratio stability judgment, forming pressure, die temperature and a cooling time sequence are collected to construct a parameter combination sequence, trend consistency is compared, and available combinations are screened; the parameter acquisition granularity, the process identification precision and the parameter group suitability are obviously improved, the problems of subjective interference and error accumulation in the parameter configuration process are effectively avoided, the objective quantitative analysis capability of the forming process state is enhanced, and the accuracy of the forming process state is improved. And the plastic mold forming process stability and the parameter configuration efficiency are improved.

The invention relates to a fiber composite material uniform compaction device and a compaction method. The compaction device comprises a sealing gasket, a lower mold plate, a heating and cooling channel, an upper mold plate, a metal film, an oil pump, a base and the like, forming surfaces are arranged on the two opposite surfaces of the lower mold plate and the upper mold plate, and fiber prepreg is laid on the forming surfaces; the metal film is located on the lower side of the upper die plate, a metal bag cavity is formed between the metal film and the upper die plate, and the oil pump is connected with the metal bag cavity and fills oil into the metal bag cavity to generate forming pressure. The lower die plate is fixed to the base, and heating and cooling channels are arranged in the upper die plate and the lower die plate. The interior of the metal bag cavity is pressurized through the oil pump, uniform pressure is applied to all the surfaces of the fiber prepreg through expansion of the metal bag cavity, and therefore the problems that a traditional hard mold cannot apply uniform pressure to the curved surface and a soft mold cannot be attached to a blank in the whole process, so that a fiber composite material is not compacted sufficiently are solved.

A composite material hollow guide vane forming die comprises a bottom die and a pressing die, the bottom die is fixedly arranged, the pressing die can move relative to the bottom die, and the pressing die and the bottom die jointly define a forming space of a composite material hollow guide vane. Wherein the bottom die comprises a core die, the core die comprises an expansion body, the circumferential surface of the expansion body is configured to be an annular laying supporting face, and the expansion body enables the laying supporting face to expand in the radial direction. The mold can provide uniform pressure from inside to outside for the prefabricated body in the forming process, the uniformity of forming pressure distribution is improved, the prefabricated body is fully compacted, the quality defect caused by dimensional deviation or thermal expansion performance difference is avoided, and the part performance is improved. The invention further provides a manufacturing method of the composite hollow guide vane.

An electrically-assisted tooth-shaped rolling process and device for preparing a gradient ultrafine-grained sheet is provided. A rib-forming pressure roller, a rib-flatting pressure roller and a straightening pressure roller are adopted to sequentially roll relative to a surface of a sheet under a preset pressing force. The surface of the sheet is driven, under a rib forming process, to generate large deformation in micro-area to crush and refine grains, and under a rib flatting process to generate reverse large deformation in micro-area. Large deformation areas in the rib forming process and the rib flatting process are staggered to further crush and refine the grains. A cold straightening process drives the sheet to be restored to an original shape, so that the sheet becomes the gradient ultrafine-grained sheet with a decreasing grain size gradient from an interior to a surface layer.

The invention discloses a moisture-proof corrugated paper generation method and system based on machine vision. Humidity distribution data are obtained through image acquisition equipment, uniformity deviation characteristics are extracted through an image processing algorithm and input into an intelligent analysis model, and if deviation exceeds a threshold value, a coating thickness adjusting signal is output to determine the spraying amount of a moisture-proof agent; then, on the basis of the spraying amount, a structural integrity image in the forming stage is collected, deformation parameters are extracted, a production parameter optimization instruction is generated through a feedback verification unit in combination with the effect mapping relation model, an execution mechanism is driven to adjust the pre-drying temperature and the forming pressure, and meanwhile finished product moisture resistance detection data are obtained; finally, a closed-loop regulation and control cycle is formed through detection data and deviation characteristics, model parameters are optimized, deviation changes are continuously monitored, the mapping model is dynamically adjusted to adapt to different paper types, intelligent real-time optimization is achieved, and the production efficiency and the moisture-proof performance stability are improved.

The utility model discloses a composite board pressure forming device, which relates to the technical field of composite board production equipment, and comprises a multi-layer hot press forming machine consisting of a forming machine main body, a pressing hydraulic cylinder and a hot press plate, and a loading and unloading auxiliary assembly, and the loading and unloading auxiliary assembly is used for realizing the rapid loading and unloading operation of a composite board on the hot press plate. According to the multi-layer hot-press forming machine, the loading and unloading auxiliary assembly is arranged, in the running process of the multi-layer hot-press forming machine, blank plates can be loaded in advance, formed composite plates can be unloaded, after hot-press plates are separated from one another, the synchronous operation that the blank plates are loaded to the tops of the hot-press plates and the composite plates are unloaded from the hot-press plates can be achieved, and the working efficiency is improved. Compared with a traditional operation mode that discharging is conducted firstly and then feeding is conducted, the vacancy waiting time of the multi-layer hot-pressing forming machine is effectively shortened through synchronous feeding and discharging operation, and the working efficiency of the multi-layer hot-pressing forming machine is further improved.

The invention relates to a thermoforming method, in particular a press forming method, for forming structures, in particular microstructures or nanostructures, in a surface (2) of a substrate (3) by means of a forming die (4). To this end, the surface (2) of the substrate (3) is locally heated by means of laser radiation (5) above a softening temperature, and then a negative structure of the press surface (6) of the forming press (4) is embossed into the deformable glass frit at a set pressure by means of a forming force (F). In order to maintain the heat input even during the forming process, in particular to ensure that the temperature is constant throughout the forming process and that the temperature distribution is uniform over the entire die surface (6), the forming die (4) and the die surface (6) are made of a material which is wavelength transparent to the laser radiation (5).

The invention relates to the field of mechanical engineering, and discloses a pressure-rising forming method and system for a plate type heat exchange plate, and the method comprises the steps: defining the specification and performance of the plate type heat exchange plate, and configuring a double-layer closed pressure-rising heat exchange plate of the plate type heat exchange plate; the contact area of the forming mold and the double-layer closed pressure-rising heat exchange plate is calculated, and the mold locking pressure of an upper mold cavity and a lower mold cavity of the forming mold on the double-layer closed pressure-rising heat exchange plate is determined; the forming force of the double-layer closed pressure-rising heat exchange plate is calculated, a forming medium material for filling a heat exchange plate cavity corresponding to the double-layer closed pressure-rising heat exchange plate is determined, and the forming pressure, the forming time, the forming medium flow and the forming medium temperature which need to be provided by a high-pressure pump are determined; the pressure-rising forming control module is used for simulating a liquid high-pressure pressure-rising process of the double-layer closed pressure-rising heat exchange plate and constructing the liquid high-pressure pressure-rising process; and high-pressure cold pressure rising is conducted on the double-layer closed pressure rising heat exchange plate, and the target plate type heat exchange plate is obtained. The production quality of the plate type heat exchange plate and the runner optimization forming technology can be improved.

The present invention discloses a preparation device and method for high-strength composite lightweight building blocks for load-bearing structures, comprising a bottom cladding material distribution device, a horizontal rectangular vertical extrusion device, a horizontally movable embryo core feeding device, a side gap primary cladding material distribution device, a horizontal rectangular annular vertical compaction mold, a side gap secondary cladding material distribution device, a horizontal rectangular annular vertical secondary compaction mold, etc.; the method comprises foaming molding of core material raw materials, dehydration and initial curing of the whole embryo, embryo core cutting and molding, metering and premixing of cladding material, atomization and water addition of cladding powder material, etc.; the present invention arranges the core material cladding process into three steps, the first step is vibrating and cladding the bottom surface of the mold, the second step is vibrating and filling and compacting the side gap, and the third step is filling the cladding material again while vibrating. The step-by-step cladding process can make the cladding around the core material uniform and dense, avoid the defect of different density of the peripheral cladding material products caused by one or two pressure molding, and realize industrial production.

The present application relates to a kind of preparation methods of peelable polyimide laminated film, which is made of multiple polyimide composite films by hot pressing forming, wherein the polyimide composite film is composed of polyimide film and adhesive, by controlling the thickness of adhesive layer, forming temperature, forming pressure and holding time, the peel strength of laminated film is controlled, and the peel strength controllable polyimide laminated film is obtained.Compared with the prior art, the present application effectively controls the peel strength of laminated film, and obtains a peelable polyimide laminated film with controllable peel strength.The method can control the peel strength of laminated film according to the use requirement, is easy to process and use, has low requirement for equipment, is easy to implement, and can be used for preparing peelable gasket.

This utility model discloses a novel surface co-extrusion device for heating pipes with an oxygen barrier layer, relating to the field of heating pipe manufacturing technology. The utility model includes a conveying chamber, a cooling jacket, and a discharging sleeve. A forming sleeve is fixed to one end of the conveying chamber, a cooling jacket is fixed to the end of the forming sleeve away from the conveying chamber, a heat insulation plate is fixed to the end of the cooling jacket away from the forming sleeve, and a discharging sleeve is fixed to the end of the heat insulation plate away from the cooling jacket. A homogenizing plate is fixed in the middle of the conveying chamber, and a central shaft is fixed through the center of the homogenizing plate along its central axis. The central shaft is fixed inside the conveying chamber. Homogenizing holes are uniformly opened throughout the homogenizing plate. An inner filter sleeve is fixed inside the discharging sleeve. This utility model, by setting up the conveying chamber, cooling jacket, and discharging sleeve, solves the problem that during the surface co-extrusion of heating pipes with an oxygen barrier layer, the high surface temperature of the pipe base material and the high fluidity after bonding with the oxygen barrier layer cause uneven thickness of the oxygen barrier layer, and the insufficient uniform forming pressure of the heating pipe.

The utility model belongs to the technical field of concrete detection, and particularly relates to a high-strength concrete test piece pressure forming device which comprises a base and a rotating supporting piece arranged on the base, an extrusion forming piece is arranged on the rotating supporting piece, hydraulic push rods are arranged on the extrusion forming piece in an up-down corresponding mode, a fixing plate is arranged on the base, and the fixing plate is arranged on the base. The hydraulic push rod is arranged on the fixing plate, a torsional spring automatic rebounding mechanism is arranged on the side face of the base, an inner clamping plate is arranged on the rotating supporting piece, the inner clamping plate is arranged on a rebounding rod, and the rebounding rod is arranged on the torsional spring automatic rebounding mechanism. By rotating the supporting piece and the extrusion forming piece, the device can have a rotating switching function, so that pressure forming operation can be conveniently carried out on concrete of different specifications, and when the pressure forming piece is rotated and switched to cope with concrete pieces of different specifications, the efficiency is improved, and the labor intensity of workers is reduced. And the preparation requirements of diversified test pieces in laboratories or industrial production can also be met.

The invention discloses a high-flux composite material preparation mold. The high-flux composite material preparation mold comprises a bottom mold and a plurality of forming modules mounted on the bottom mold, each single forming module comprises a resin mold, a pressurizing module and a heating module; the heating module is installed on the bottom die, the resin die is arranged above the heating module, a forming area is arranged in the resin die, a prepreg of a composite material is arranged in the forming area, the pressurizing module is arranged above the forming area of the resin die, the pressurizing module is used for applying pressure to the prepreg, and the heating module is used for heating the prepreg; the pressurizing modules in the forming modules are mutually independent, and the heating modules in the forming modules are mutually independent. The invention further discloses a preparation method based on the mold. Different forming pressures and forming temperature-time curves can be provided for a plurality of sample pieces, the plurality of composite material sample pieces are formed at the same time, a large number of composite material samples are synthesized in a parallelization mode, and the high-throughput preparation function of small-sample-size composite materials is achieved.

The present invention provides a pressure molding device comprising a dimension measurement portion that is easy to apply in a die and capable of reliably measuring dimensions. One embodiment provides a pressure molding device comprising an upper die and a lower die arranged in a first direction, wherein the upper die comprises a first cam portion which allows, as one of the upper die and the lower die moves in the first direction, part of the lower die to move in a second direction that is different from the first direction, and a material fixing portion which fixes a material along with a material support portion according to the movement in the first direction, and the lower die comprises a second cam portion corresponding to the first cam portion, the material support portion supporting the material, and a molding portion which is moved along with the second cam portion and molds the material. In addition, the pressure molding device further comprises a dimension measurement portion which is located at the lower portion of the molding portion and is movable in the second direction.

The invention belongs to the technical field of foamed polypropylene, and provides foamed polypropylene with high compressive strength and rebound resilience and a molded part thereof. The foamed polypropylene beads are prepared from composite particles with a core layer and a skin layer through carbon dioxide primary foaming and hot air secondary foaming, the core layer comprises high-melt-strength polypropylene, aluminum borate whiskers treated by a coupling agent, a hydrogenated styrene-ethylene-butylene-styrene block copolymer, polypropylene grafted glycidyl methacrylate, a cell nucleating agent and a lubricant, and the skin layer comprises low-melting-point polypropylene and a lubricant. When the low density is 18-20 g / L, the 25% compression strength of a molded part is not lower than 125 kPa, the 25% compression strength of the molded part is not lower than 350 kPa when the density is 40-44 g / L, the 25% compression strength of the molded part is not lower than 800 kPa when the density is 80-85 g / L, the 25% compression permanent deformation of the molded part is not higher than 10%, and the molded part has low molding pressure and excellent appearance; the method is suitable for the application fields of automobile bumper core materials, high-end protective packaging, new energy battery turnover trays and the like.

The utility model discloses a friction-free turning and bending structure for automobile thick-material products, which belongs to the technical field of stamping dies and comprises a lower die holder and a punch, the lower die holder is provided with a pressing portion, a turning and bending mechanism is arranged on the side of the pressing portion and comprises a turning base, a forming punch, a lever component and a pressing block, and the forming punch is arranged on the turning base. The overturning base is fixed to a lower die base, the forming punch is installed on the overturning base in the mode of overturning around a horizontal transverse shaft, the forming punch is provided with a forming pressing face, the lever component is installed on the overturning base in the mode of overturning around the horizontal transverse shaft, the pressing block is in linkage with the punch, and the pressing block downwards abuts against the lever component and pokes the forming punch through the lever component. The forming punch is connected with a spring, and the spring applies elastic force to the forming punch to enable the forming pressing face to be away from the pressing part. According to the bending structure, the appearance quality, the bending stability and the size precision of a hinge product are improved, the service life of a die is prolonged, and loss and cost in the production process are reduced.

The invention relates to the field of container corrugated plate machining, in particular to container corrugated plate pressure forming equipment and a using method thereof.The container corrugated plate pressure forming equipment comprises a forming machine support, a cleaning mechanism, a hydraulic forming mold, a hydraulic pressure forming mold, a hydraulic pressure forming mold, a hydraulic pressure forming mold pressing mechanism and a hydraulic pressure forming mold pressing mechanism, the cleaning mechanism is movably installed between the two sides of the inner wall of the cleaning groove and used for cleaning foreign matter on the surface of the plate, and the flow dividing mechanism is movably installed in the middle of the forming machine support, matched with the cleaning mechanism in a transmission mode and used for removing unqualified plates. According to the pressure forming equipment for the corrugated plate of the container, the wedge-shaped scraping plate, the L-shaped guide groove, the guide rod and other components are used in cooperation, when abnormal protrusions exist on the surface of a plate, the linear conveying motion of the plate can be converted into the transverse separation motion of the wedge-shaped scraping plate, and therefore unqualified plates can be effectively detected; and resource waste caused by pressure forming of unqualified plates is avoided.

The invention discloses a porous oil-containing polyphenylene sulfide-based composite material for a bearing retainer and a preparation method and application thereof, and the preparation method comprises the following steps: uniformly mixing polyphenylene sulfide powder and thermosetting resin powder to obtain a resin powder mixture; quantitatively weighing the mixture, pouring the mixture into an annular cold pressing mold, applying pressure to the annular cold pressing mold, and maintaining the pressure to obtain a preformed blank; the blank is placed in a high-temperature sintering furnace to be sintered, the thermosetting resin is cured in the heating process and releases small molecule gas, and therefore a porous structure with good connectivity is formed. By controlling the proportion of the polyphenylene sulfide powder to the thermosetting resin powder, the cold press molding pressure, the sintering temperature and the sintering time, the porous polyphenylene sulfide composite material with uniform pore size distribution and adjustable porosity and pore size is prepared. Compared with a part of polyimide products with the same porosity, the polyphenylene sulfide composite material has better oil content and oil retention rate under various working conditions.

The invention discloses a buccal tablet and a preparation method thereof, the buccal tablet comprises at least one load layer and at least one film-shaped functional layer which are stacked in the thickness direction, and the adjacent load layer and / or functional layer are combined through a pressure forming process; the film-like functional layer comprises a film-forming agent and a functional substance; the functional substance comprises at least one of an active agent and a flavoring agent; the loading layer is made of an insoluble sheet-shaped base material; the preparation method comprises the following steps: obtaining a film-like functional layer, wherein the film-like functional layer comprises a film-forming agent and a functional substance; obtaining a load layer, wherein the load layer is selected from an insoluble sheet-shaped base material; at least two materials are placed in a stacked mode, pressure is applied to enable the materials to be combined, the material layers are selected from film-shaped functional layers, load layers and module layers, the module layers are prepared by combining any number of film-shaped functional layers and / or load layers in a stacked mode, and the buccal tablet finished product is prepared. The load layer and the functional layer are combined through the pressure forming technology, and the technology is simple.

The utility model discloses a high-toughness copper-clad plate forming device which comprises a box body, a support is welded to the top end of the box body, and a first motor is fixedly installed in the middle of the top end of the support. By means of combination of a first motor, a first threaded rod and a first threaded sleeve, the distance between a hydraulic mechanism and a copper-clad plate material can be accurately regulated and controlled, accurate setting of a forming pressure operation position is achieved, pressure can be evenly applied to copper-clad plates of different specifications, the size precision and flatness of formed products are remarkably improved, defects caused by uneven pressure are reduced, and the production efficiency is improved. The product quality and the qualification rate are improved; by means of cooperation of the movable plate, the sliding mechanism, the pull rope, the first spring and other components, it is ensured that the device is stable in structure and controllable in action when the first threaded sleeve moves, the pull rope and the first spring can buffer and assist in supporting and absorbing impact force when hydraulic pressure is applied, the copper-clad plate is prevented from being damaged, the service life of mechanical components is prolonged, the maintenance cost is reduced, and production safety and reliability are enhanced.

The invention provides a high-density functional ball for repeatedly opening and closing a leaking stoppage circulation tool and a preparation method of the high-density functional ball, and relates to the technical field of drilling tools. The high-density functional ball for repeatedly opening and closing the leaking stoppage circulating tool comprises the following raw materials in percentage by weight: 70-85% of polyether-ether-ketone, 10-20% of copper powder and 5-10% of silicon nitride. The preparation method comprises the following steps that polyether-ether-ketone, copper powder and silicon nitride are fully mixed and dried, and a mixture is obtained; melting the mixture at a high temperature, then injecting into a ball mold for pressure forming, and air-cooling to normal temperature to obtain a formed ball; and the formed ball body is subjected to graded tempering treatment, ball body surface finish machining treatment is conducted after cooling, and the functional ball has the advantages of being large in density, stable in shear pressure and good in mechanical property. The preparation process can improve the problems of high thermal expansion coefficient, stress concentration and the like of the polyether-ether-ketone raw material.

The invention belongs to the technical field of metal plastic processing, and provides a stamping die surface micro-texture processing method and design system.The stamping die surface micro-texture processing method comprises the steps that a dynamic working condition matrix in a historical production time period is collected and constructed, and multi-physics field coupling simulation of finite element and fluid dynamics analysis is utilized; designing optimal initial microstructure parameters of the to-be-machined stamping die to perform microstructure machining, monitoring and collecting temperature deviation and pressure deviation in real time in the machining process, judging whether thermal deformation out-of-tolerance or forming pressure abnormity occurs or not, if yes, triggering correction compensation, collecting compensation information in a historical production time period, and if not, executing the step 3; calculating a correction compensation parameter by combining the temperature deviation and the pressure deviation, performing correction compensation on the micro-texture, performing gradient layer deposition on the surface of the micro-texture after correction compensation is completed, constructing and training a micro-texture efficiency attenuation model, predicting a friction coefficient value in an attenuation deduction time period and judging whether reprocessing is triggered or not, and if yes, executing the step 2; and if not, reprocessing is carried out.

The invention discloses a preparation method of large-size high-strength Y2O3-MgO nano-composite ceramic, and relates to the field of transparent ceramic materials, the preparation method comprises the following steps: loading Y2O3-MgO nano-composite powder with the particle size of 10-60 nm into a cold isostatic pressing mold, then loading into a sealing bag, and vacuumizing; the sealed sample piece is put into a cold isostatic press for cold isostatic pressing forming, the forming pressure is 140-200 MPa, and a low-defect-density green body is obtained; and carrying out vacuum and hot isostatic pressing sintering on the formed Y2O3-MgO nano complex-phase green body. According to the preparation method, the problems that the large-size Y2O3-MgO nano-composite ceramic is low in yield, relatively large in grain size, relatively poor in mechanical property and the like can be solved through a stepped cold isostatic pressing molding technology and a vacuum + hot continuous sintering technology, and the preparation method is a preparation scheme of the Y2O3-MgO nano-composite ceramic with practical application value.

This utility model relates to a paper box edge rolling machine, and particularly to a rotary feeding paper box edge rolling machine, which includes a pre-forming station, a feeding station, and a final forming station. The feeding station and the final forming station are connected by a turntable. The forming lower mold is set on the turntable and distributed circumferentially along the turntable. The final forming station is equipped with a final forming upper mold. The pre-forming station is equipped with a pre-forming upper mold and a pre-forming bottom mold. A material transfer assembly is connected between the pre-forming station and the feeding station. The material transfer assembly includes a material transfer seat and a material transfer nozzle. The material transfer nozzle is distributed circumferentially along the material transfer seat and there are at least two sets. The material transfer seat is rotatably set, and the material transfer nozzle is raised and lowered. The independent pre-forming station increases the paper box forming pressure. When one set of material transfer nozzles picks up material at the pre-forming station, the other set of material transfer nozzles releases material at the feeding station. The feeding speed is fast, and a corner folding block can also be set at the pre-forming bottom mold.

The invention provides a glass processing method, hot bending glass and a protective film. The glass processing method comprises the following steps: (1) cutting the glass, and then carrying out CNC (Computer Numerical Control) corner polishing; (2) carrying out first sweeping treatment on the front surface of the glass to enable the side edge of the front surface of the glass to be arc-shaped; (3) cleaning for the first time; (4) the glass is put into a hot bending mold to be subjected to hot bending treatment, so that the reverse side of the glass is sunken inwards, the forming temperature of the hot bending treatment is 650-850 DEG C, and the forming pressure is 4-6 Mpa; (5) carrying out secondary polishing treatment after hot bending treatment, and respectively polishing the front surface and the back surface of the glass; (6) cleaning for the second time after sweeping for the second time; (7) carrying out acid bath after cleaning for the second time; and (8) carrying out toughening treatment after the acid bath. The hot bending glass and the protective film obtained by the method provided by the invention have more comfortable side hand feeling.

To provide a horizontal multistage pressure molding machine capable of easily inspecting cut blanks without any hassle. [Solution] A horizontal multi-stage pressure molding machine equipped with a plurality of rolling stations arranged side by side on a machine base, each consisting of a die 5 and a punch, cutting means 10 provided on one side of the machine base 2 for cutting a bar-shaped material X into workpieces of a predetermined length, and transfer means 12 for sequentially transferring the workpieces to the plurality of rolling stations, and equipped with a receiving and holding mechanism 18 for receiving and holding cut blanks cut by the cutting means 10 and discharged from the workpieces.

The utility model belongs to the technical field of seal head manufacturing, and particularly relates to special hydraulic equipment for manufacturing a large-diameter seal head with the diameter larger than 10 m. The special hydraulic equipment comprises a base and a hydraulic shell, the top of the base is connected with the hydraulic shell through a supporting rod, and a forming assembly is fixed to the top of the base; a forming cavity is formed in the top of a forming die of the forming assembly, sliding cavities are evenly formed in the top of the forming cavity in a surrounding mode, reset sliding blocks are installed in the sliding cavities in a sliding mode, sliding rods are connected to the rear ends of the reset sliding blocks, and springs are embedded in the sliding rods. The plate-shaped part is placed on the forming die, the forming pressure head is driven by the hydraulic cylinder to perform one-time downward pressing, and then the plate-shaped part is pressed by the plurality of resetting modules, so that the plate-shaped part forms a one-time recess during one-time downward pressing, and the condition that the plate-shaped part is cracked due to overlarge one-time hydraulic forming deformation is avoided; and meanwhile, the temperature of the plate can be increased through one-time hydraulic deformation, and the hardness and strength can be reduced to a certain degree.

The present invention discloses a method for suppressing the interference between the laser in-situ forming pressure roller and the mandrel shaft of a composite material prepreg tape. By establishing the coordinate system of the laser in-situ forming equipment, on the basis of determining the characteristic points and characteristic parameters of the composite material prepreg tape, the simulation software is used to determine the coordinates of the laying trajectory points and the distance between them and the nearest points on the polar hole circle of the mandrel shaft, so as to determine the laying paths of the composite material prepreg tape and the pressure roller. This method effectively solves the problem of collision interference between the pressure roller and the mandrel shaft during the forming of the head part of the composite material component, and effectively improves the forming quality and efficiency of the thermoplastic carbon fiber composite material component.