161 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 corrugated pipe precision hydraulic forming method and device.The method comprises the steps that the corrugated pipe precision hydraulic forming device with a forming cavity is obtained, a pipe blank is placed in the forming cavity, and the corrugated pipe precision hydraulic forming device comprises an upper sealing assembly, a plurality of mold pieces, a base plate and a lower sealing assembly; the upper sealing assembly, the multiple mold pieces and the lower sealing assembly are coaxially arranged, and the multiple mold pieces are arranged between the upper sealing assembly and the lower sealing assembly. Under the condition that the corrugated pipe precision hydraulic forming device is in the second state, the pressure control assembly controls the pressure in the pipe blank to be maintained at a second pressure value for at least 1 min, and the second pressure value is at least five times of the forming pressure value; and after forming is finished, all the mold pieces are attached, the shape and size of the corrugated pipe are stabilized through a method of maintaining pressure for a certain time, elastic resilience of the corrugated pipe is remarkably reduced, and the workload of the subsequent corrugated pipe shaping procedure is reduced.

The invention discloses a method for forming a honeycomb sandwich structure composite material by adopting an automatic fiber placement process, and relates to the field of composite materials. By optimizing the forming technical route of the honeycomb sandwich structure, skin pre-compaction and compaction and honeycomb sandwich curing forming are adopted for step-by-step layer laying forming and control, the shape of the honeycomb sandwich structure is maintained through a mold profile and a process cover plate, it is guaranteed that automatic fiber laying forming of a skin prepreg lamination part is achieved, and meanwhile the production efficiency is improved. The skin prepreg is fully compacted by applying sufficient compression roller forming pressure, and meanwhile, the problem of structural size deviation caused by crushing deformation of the honeycomb sandwich core under relatively high forming pressure is avoided, so that the forming quality of the sandwich structure is fully guaranteed.

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 belongs to the field of advanced structure ceramic preparation, and particularly relates to a load-bearing type high-temperature bedplate and a manufacturing method thereof. The preparation method of the load-bearing type high-temperature bedplate comprises the following steps: (1) sequentially paving the outer layer material, the inner layer material and the outer layer material into a mold, and carrying out high-pressure forming to obtain a formed blank; (2) drying the formed blank to obtain a dry blank; and (3) firing the dry blank at the temperature of 1550-1680 DEG C to obtain the bedplate. The preparation method comprises the following steps: by taking low-zirconium corundum, white corundum, fused mullite and andalusite as raw materials, introducing zirconite and tabular corundum fine powder, and respectively preparing an outer layer material and an inner layer material; the high-strength wear-resistant bedplate with a low-zirconia corundum outer layer and a staggered structure in which zirconia corundum crystals are filled in gaps of a mullite network is formed through pressure forming and sintering, has good high-temperature strength and excellent thermal shock resistance, can bear constantly changing impact of high-low temperature circulation of a pushed slab kiln, and has long service life.

The present invention relates to the field of flow battery materials, and specifically provides a high-performance graphite-based composite bipolar plate, a preparation method, and an application. The method comprises: mixing powder in a powder mixing system; under a vacuum condition, in a mold pressing system, heating and pressing the mixed powder in a mold; then finishing heating and continuing to maintain a forming pressure; when the temperature drops below the curing forming temperature of a resin, releasing the forming pressure and filling with air; and demolding; wherein the mixed powder comprises 75 wt.%-85 wt.% of graphite powder, 15 wt.%-25 wt.% of resin powder, and the balance of carbon black, carbon nanotubes and carbon fibers. The bipolar plate obtained by the method has high conductivity and high airtightness, and is suitable for industrial production.

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 invention relates to the field of shoe sole production, and particularly discloses a manufacturing process of an ETPU shoe sole, which comprises the following steps: manufacturing a TPU outsole: cutting a TPU bottom sheet to obtain the TPU outsole; the TPU outsole is laid in an insole forming mold with a line mold cavity, and the insole forming mold is filled with ETPU foaming particles; steam forming is conducted, specifically, steam is introduced into a midsole forming mold, the ETPU particles are formed into the ETPU midsole, the forming pressure is 0.1-0.3 MPa, the forming temperature is 120-160 DEG C, the forming time is 150-190 s, exhausting, water cooling and demolding are conducted, and the ETPU sole is obtained. According to the shoe sole manufacturing process, the TPU material is adopted as the outsole, the outsole and the ETPU foaming particles are integrally formed, the TPU outsole pattern manufacturing procedure is omitted, the TPU outsole and the ETPU insole are high in bonding strength, the outsole and the insole are made of the same material, and the shoe sole is easy to recycle.

The utility model discloses a pressure vessel forming die, which relates to the technical field of pressure vessel forming and comprises an object main body, the upper surface of the object main body is fixedly connected with a fixing plate, one side of the fixing plate is fixedly connected with a second die plate, and the upper surface of the object main body is fixedly connected with a limiting plate. A telescopic rod is fixedly connected to one side of the limiting plate, a supporting ring is fixedly connected to one side of the telescopic rod, and a first mold plate is fixedly connected to one side of the supporting ring. When a user needs to carry out production pressing, the user needs to push the first mold plate through the telescopic rod, the user needs to connect the first mold plate with the second mold plate, and then the user needs to input materials between the first mold plate and the second mold plate through the output pipe; and after the pressure container is formed, the telescopic rod pulls the first mold plate, and then a user can efficiently use and take out the formed pressure container.

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 invention discloses a pressure forming device for producing a tooth spline housing, and relates to the technical field of press machines, the pressure forming device comprises a body mechanism, and the body mechanism comprises a supporting table, a base and a box body; a moving mechanism is installed in the box body and comprises a hydraulic push rod, a supporting arm, a pressing disc and a mold. A stabilizing mechanism is installed on the base and comprises a stand column. A feeding mechanism is installed on the stand column and comprises a shell, a storage tank and a pump body are installed on the top face of one end of the shell, the pump body is communicated with the bottom of the storage tank, a plurality of rotating blocks are symmetrically installed on the top face of the other end of the shell, and nozzles are installed on one sides of the rotating blocks. The pump body is communicated with the other side of the rotating block through a pipeline; a smearing mechanism is installed in the shell and comprises a first sliding block and a brush head. The device has the advantage that lubricant smearing is automatically completed in the mold descending process.

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 field of optical and nano material self-assembly, and provides a material with structural color as well as a preparation method and application thereof. Polymer nanoring is used as an assembly unit, a volatile organic solvent is used as a dispersion medium, a water-air interface is used as an assembly interface, the nanoring array is directionally arranged on the water surface through a self-assembly process induced by an interface surface tension gradient, the external diameter of the nanoring is 500-1000nm, and the thickness of the nanoring is 100-400nm. And then controllably transferring the closely arranged nanoring array to a transparent substrate under proper film forming pressure, film forming speed, film drawing speed and film drawing pressure by utilizing an LB film analyzer technology to obtain a material with a structural color. The prepared structural color material is obvious in structural color and has angle correlation, meanwhile, the structural color of the structural color material can be adjusted and controlled through the size of the assembly unit, and the structural color material is suitable for being used in the fields of display, anti-counterfeiting, encryption and the like.

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.