65results about How to "Continuous production" patented technology

The invention relates to the technical field of bearing production and conveying, and discloses a conveying device for deep groove ball bearing production, which comprises a conveying platform, the left side of the conveying platform is fixedly connected with a blanking plate, the right side of the conveying platform is provided with a conveying belt, and the bottom of the conveying platform is fixedly connected with a fixing frame. An intermittent arrangement mechanism is arranged at the top of the fixing frame and comprises a motor, the motor is fixedly connected to the top of the fixing frame, bearings can be conveyed through rotation of a conveying disc, the bearings are prevented from being stacked together, and the bearings can be intermittently limited through front-back movement of a limiting rod; therefore, intermittent conveying and arrangement of the bearings are achieved, mutual extrusion and accumulation of the bearings can be avoided, materials are kept to be evenly distributed on the conveying belt, the conveying belt runs smoothly, the shutdown cleaning frequency caused by blockage is reduced, the continuous production process is guaranteed, and the conveying efficiency is effectively improved.

The invention relates to the technical field of steel wire rope bundling equipment, and particularly discloses a steel wire rope machining bundling device which comprises a base, a steering structure, a discharging structure, a cutting structure and a tightening structure. The base is rectangular, the steering structure is fixedly arranged in the middle of the upper wall of the base, the discharging structure is fixedly arranged in the middle of the upper wall of the right end of the base, the cutting structure is fixedly arranged on the discharging structure, and the tightening structure is fixedly arranged on the upper wall of the base and located on the left side of the steering structure. According to the steel wire rope winding device, the corresponding length and the inner wall diameter of a wound steel wire rope can be conveniently wound according to the actual winding requirement through the steering structure, coiled steel wires or iron wires can be directly installed through the discharging structure, then the iron wires are directly pulled, put and cut, the steel wire rope is cut into a certain length, and the steel wire rope winding device is convenient to use. And finally, the two ends of the steel wire wound on the steel wire rope are clamped and rotated for binding through the binding structure, and after binding, the winding end of the steel wire can be pushed, pressed and toppled to prevent scratches.

The present application relates to a kind of compositions and applications comprising polyamide.The composition includes polyamide and sheet structure mineral powder, wherein, with 100 mass parts of polyamide, sheet structure mineral powder in the composition is 0.1-10 mass parts.The polyamide material in the present application has lightweight, easy processing, has cost advantage, compared with steel material has obvious advantage.Sheet structure mineral powder is added in polyamide material by intercalation modification, further improve the barrier property of product, effectively avoid "hydrogen embrittlement" risk, with "hydrogen embrittlement" resistance, low hydrogen permeability, and suitable for the temperature range of application, it has high toughness in low temperature environment condition, the performance of polyamide material reaches a good balance, and the comprehensive performance is better.Suitable for hydrogen pipeline, hydrogen storage bottle etc., has advantage in hydrogen energy automobile and other application scenarios.

This invention provides an integrated device and method for gas ultrapurification, comprising: an integrated sealed cavity; an adsorption system disposed inside the integrated sealed cavity, the adsorption system being filled with at least one adsorbent; a temperature control system disposed inside the integrated sealed cavity, including independent refrigerant circulation loops and hot medium circulation loops, for temperature control of the adsorption system; and a gas pipeline system including a raw material inlet, a displacement gas inlet, a product gas outlet, and a desorption gas outlet, each interface being connected to the integrated sealed cavity; the temperature control system controls the temperature of the adsorption system, enabling the sequential execution of a series of processes within the integrated gas ultrapurification device under the condition of an inert gas flow: preheating and activation of the adsorbent, low-temperature adsorption purification of the gas, high-temperature desorption regeneration, and cooling of the adsorbent for later use. The method of this invention is simple, easy to operate, and has broad industrial application prospects.

A parallel continuous rapid emulsion preparation device includes a pure water tank connected to a pure water main pipe via a water pump. The pure water main pipe is connected to the inlet pipes of an aqueous phase reactor, an oil phase reactor, and a dilution reactor via a first, second, and third pure water branch pipe, respectively. A glycerol tank is connected to the oil inlet pipes of the oil phase reactor and the dilution reactor via a gear pump, a glycerol main pipe, a first glycerol branch pipe, and a second glycerol branch pipe, respectively. The discharge pipe at the bottom of the aqueous phase reactor is connected to the inlet of the oil phase reactor via a first feed pump. The discharge pipe at the bottom of the oil phase reactor is connected to the inlet of the dilution reactor via a second feed pump. The discharge pipe at the bottom of the dilution reactor is connected to a storage tank. Heating structures are provided on the side walls of the aqueous phase reactor and the oil phase reactor. Vacuum pipes are provided on the top of both the oil phase reactor and the dilution reactor, and these vacuum pipes are connected to a vacuum pump.

The present application provides a kind of nitromethane tail gas treatment method, comprising the following steps: sodium hydroxide or potassium hydroxide aqueous solution and low-grade fatty diol and organic base miscible to form mixed solution after preheating, then nitromethane tail gas is passed into mixed solution and reacts, reaction end product is separated and purified to obtain corresponding sodium nitrite or potassium nitrite product.The present application also provides a kind of nitromethane production method, including the sodium nitrite or hydrogen potassium obtained above as raw material to recycle production nitromethane.The method of the present application solves the problem of nitromethane tail gas treatment, also can turn waste into treasure, reduce production cost, conducive to nitromethane production and environmental protection.

A sponge foaming and shaping device comprises a foaming box body, the foaming box body comprises first side plates, second side plates and a bottom plate, the two first side plates and the two second side plates enclose the bottom plate to form a box body structure, opening and closing doors used for feeding are arranged on the first side plates or the second side plates, and the sponge foaming and shaping device further comprises a supporting frame; a suspension frame is installed on the lower side of the supporting frame through a connecting rod, the upper ends of the two first side plates and the upper ends of the two second side plates are hinged to the suspension frame through door shafts correspondingly, first push rod devices are installed on the supporting frame through hinge seats, and the telescopic ends of the four first push rod devices are hinged to the first side plates and the second side plates correspondingly. The four side plates of the shaping device can be opened and closed through the first push rod devices correspondingly, so that during production, the shaping device does not need to be manually and repeatedly disassembled and assembled, the problem that time and labor are consumed due to the fact that multiple workers need to be matched to repeatedly disassemble and assemble the shaping device during production of an existing shaping device is solved, the labor intensity of workers is reduced, and the production efficiency is improved.

The invention discloses a half shaft heat treatment machining device which comprises a fixing frame, a cooling pond is fixedly arranged at one end of the fixing frame, a righting device for supporting a half shaft and keeping the half shaft in a vertical state is arranged on the cooling pond, an upper fixing piece for fixing the top end of the half shaft is arranged on the righting device, and a lower fixing piece for fixing the top end of the half shaft is arranged on the upper fixing piece. The centering device is provided with a lower fixing piece for fixing the bottom end of the half shaft, the upper fixing piece is provided with a positioning piece for positioning the half shaft, and the fixing frame is provided with a feeding device for guiding the half shaft into the positioning piece and pushing the half shaft to move downwards to enter the position between the upper fixing piece and the lower fixing piece. Through the design of the upper fixing piece and the lower fixing piece, the half shaft can rapidly fall into the cooling pond after being heated, a new half shaft can automatically enter the position between the upper fixing piece and the lower fixing piece, the continuous production process is achieved, and through the design, manual intervention is reduced, and production continuity and high efficiency are guaranteed.

The application provides an intelligent machining method and system capable of realizing continuous unmanned production and not needing to pause and wait. The intelligent machining method comprises the following steps: an input procedure, inputting a blank; a feeding procedure, feeding the input blank; a machining procedure, machining the fed blank to form a workpiece; and a discharging procedure, discharging the machined workpiece. In the feeding procedure, the blank is stored in a storage bin. The input procedure comprises the following steps: inputting the blank into the storage bin by using an input device; arranging an input monitoring unit at the storage bin to monitor the storage condition in the storage bin in real time; determining whether the storage condition in the storage bin is sufficient according to the monitoring result of the input monitoring unit; and forming an input control signal to make the idle input device transport the blank to the storage bin when the storage condition is insufficient.

The utility model relates to the field of petroleum chemical technology, concretely relates to a catalyst settlement system stable in operation and good in settlement effect, including clarification mechanism, sludge buffer tank, feed pipeline, sludge tank, backflow pipeline, overflow pipeline, filter press, filtrate tank and sludge discharge pipeline, the clarification mechanism includes a plurality of settlement tanks that are arranged side by side from front to back in proper order and the clarification tank that is arranged at the end of clarification mechanism, the bottom of clarification tank is provided with special ammonium sulfate solution discharge pipeline, is provided with ammonium sulfate solution pump on the ammonium sulfate solution discharge pipeline, the end of ammonium sulfate solution discharge pipeline extends to ammonium sulfate tank area, the outlet end of ammonium sulfate solution pump is equipped with a branch pipeline, this branch pipeline is connected with the feed inlet on the top of filtrate tank through regulating valve, the bottom outlet of filtrate tank is connected with the inlet of clarification mechanism through filtrate pump. The catalyst settlement system is stable in operation, and the downstream device operation cycle is prolonged.

The application belongs to the technical field of rubber additive synthesis, and particularly relates to a method for continuously preparing 4,4'-dithiodimorpholine. The method uses sulfur monochloride, morpholine, 32wt% liquid alkali (sodium hydroxide solution) and 120# solvent oil as raw materials, and generates 4,4'-dithiodimorpholine in a dynamic tubular reactor. After the reaction is completed, the material flowing out of the dynamic tubular reactor is collected, and the product is obtained through static layering, washing, filtering and drying. The method uses the dynamic tubular reactor for reaction, and the mass transfer and heat transfer efficiency are extremely high. The material is instantaneously and uniformly mixed, so that the morpholine and the sulfur monochloride are rapidly contacted and reacted, the reaction heat can be instantaneously removed, the optimal reaction temperature can be accurately maintained, the continuous production can be realized, the production capacity is greatly improved, the reaction time of the traditional kettle reactor is shortened from 2-7h to 10min, the raw material conversion rate is as high as 99% or more, and the goals of cost reduction and efficiency improvement, green safety are finally achieved.

Provided are an electrode plate, a manufacturing method of the electrode plate, a rechargeable battery applying the electrode plate, and a production device applying the electrode plate. The electrode plate includes a current collector (1). The current collector (1) includes an insulating layer (11), a first conductor layer (12) and a second conductor layer (13) disposed on two sides of the insulating layer (11) respectively, and a conductive connector (5). The outward side of the first conductor layer (12) is provided with a first blank region (2) and a first active material coating layer (21) side by side. The outward side of the second conductor layer (13) is provided with a second blank region (3) and a second active material coating layer (22) side by side. The first blank region (2) is provided with a folded region (4) adapted to fold the current collector (1) 180 degrees, and the second blank region (3) covers the first blank region (2). One end of the conductive connector (5) extends out of the folded region (4) to connect the first blank region (2). The other end of the conductive connector (5) is connected to the second blank region (2). The conductive connector (5) is adapted to electrically connect the first blank region (2) and the second blank region (3). The electrode plate has the effect of improving the safety of the rechargeable battery and facilitating production.

The invention provides a ceramic tube extrusion molding machine. The ceramic tube extrusion molding machine comprises an automatic feeding device, a mixing and feeding device, an extrusion device, a vacuumizing device and a driving device, the automatic feeding device is connected with a feeding port of the mixing and feeding device and used for conveying pug into the mixing and feeding device. The mixing and feeding device comprises a pugging barrel and a double-helix structure which is arranged in the pugging barrel and meshed in different directions, and the double-helix structure is used for shearing and uniformly mixing pug and then conveying the pug to the extrusion device; the vacuumizing device is connected with the tail end of the material mixing and conveying device and is used for discharging gas mixed in the pug in the mixing and conveying processes; and the driving device is used for driving the mixing and feeding device and the extruding device to operate. The pug is effectively sheared and uniformly mixed through a double-helix structure which is meshed in different directions, so that the shearing and mixing uniformity of the pug is effectively enhanced, and the plasticizing quality of a green body is improved; and gas mixed in the pug is discharged through the vacuumizing device, the bubble defect in the ceramic tube is reduced, and the reliability of the ceramic tube is improved.

The utility model relates to the technical field of extraction equipment, and particularly discloses novel packed tower extraction equipment, which comprises a tower body, a top cover arranged at the upper end of the tower body, a support ring fixedly connected inside the tower body, a first packing cylinder arranged above the support ring, a first cylinder cover arranged above the first packing cylinder, and a second cylinder cover arranged above the first packing cylinder, the upper end of the first barrel cover is fixedly connected with a supporting barrel, a second filling barrel is arranged above the supporting barrel, and a second barrel cover is arranged above the second filling barrel; the two-phase mass transfer efficiency is greatly improved through a liquid film or dispersed liquid drops formed on the surface of the filler, liquid is continuously discharged after extraction, stable operation of equipment is ensured through cooperation with the synergistic effect of a sealing ring, a pressing ring and a limiting column, continuous production is achieved, the mass transfer effect is enhanced, and the pressure of the pressing ring on the second barrel cover is relieved; and the second barrel cover, the second filling barrel and other components are sequentially taken down, and after new filler is filled, reverse operation and installation are conducted, in this way, the filler installation structure is optimized, and rapid replacement and maintenance of the filler are facilitated.

This utility model provides an EVA injection molding machine screw, relating to the field of injection molding machines. It includes an injection system, the output end of which is connected to the input end of the screw body, and the output end of the screw body is connected to the input end of the mold body. A protective shroud is fitted around the screw body, and a fan is installed on at least one side of the protective shroud. The fan blows air into the protective shroud to cool the molten material transported by the screw body, inhibiting pre-foaming before the material enters the mold. This application, by installing a protective shroud with a fan outside the screw body, can provide real-time air cooling, preventing premature foaming of the material above 80°C, eliminating the need for machine shutdown for cooling, ensuring continuous production, improving efficiency, reducing costs, and solving core problems.

This invention discloses a rapid drying device for strontium carbonate, comprising a heater, a feeder, a flash evaporator, a cyclone separator, a coarse bag filter, a water cooling mechanism, a fine bag filter, and a heat exchanger. The air inlet of the heater is connected to the heat exchanger via a return air pipe, and the air outlet of the heater is connected to the flash evaporator. The feeder is connected to the flash evaporator and adds strontium carbonate to be dried into the flash evaporator through the feeder. The outlet of the flash evaporator is connected to the cyclone separator, and the air outlet of the cyclone separator is connected to the coarse bag filter. The outlets of both the cyclone separator and the coarse bag filter are connected to the inlet of the water cooling mechanism. The air outlet of the coarse bag filter is connected to the heat exchanger, and the outlet of the water cooling mechanism is connected to the fine bag filter. This device improves thermal efficiency, enabling continuous production.

The application discloses a kind of short fiber insulation felt methods for preparing by wet process, short carbon fiber is laid into uniform mesh tire unit by airflow carding technology, after weighing, resin glue solution is sprayed on the surface of mesh tire and is conveyed to the pre-curing of baking tunnel;Using the mold of track reciprocating motion alternately receives the pre-cured mesh tire of conveying belt and the mesh tire unit of new laying machine, new laying mesh tire unit needs to be weighed, sprayed and pre-cured, and after multiple cycles, the dense multi-layer mesh tire structure with controllable layer number is formed;After the mold loaded with multi-layer mesh tire is hot-pressed and cured, the obtained blank is treated at high temperature in a graphitization furnace under inert gas or vacuum protection, and short fiber insulation felt is prepared.The method significantly improves the resin infiltration uniformity and structural density of the insulation felt through the synergistic optimization of resin infiltration and multi-layer laying process, the product density and thermal insulation performance are stable, and it is suitable for continuous production process, and has industrial application potential.

The utility model discloses a knitted fabric double-faced rib knitting machine which comprises a ring body, a plurality of grooves are evenly formed in the outer ring face of the ring body, a hinge piece is installed at one end of each groove, a base is installed at the other end of each hinge piece, a shaft rod is vertically installed on each base, yarn cylinders are arranged on the shaft rods in a sleeved mode, and the yarn cylinders are arranged on the shaft rods in a sleeved mode. The ends, away from the base, of the shaft rods are sleeved with clamping sleeves for clamping and positioning the shaft rods, and cover plates are arranged on the outer ring face of the ring body in an up-down mode. The bobbin replacing device is simple in structure, bobbins can be rapidly replaced by rotating the ring body, time waste caused by replacement of the bobbins by workers and shutdown waiting time caused by lack of yarns of the rib knitting machine are reduced, the rib knitting machine can continuously produce, the production efficiency of the rib knitting machine is improved, and the working efficiency of the rib knitting machine is improved. And the in-place spool is vertically arranged and is sleeved on the shaft rod so as to meet the traction effect.

The application relates to the technical field of plastic particle processing, and discloses a granulating device for processing foamed materials, which comprises a first support, a die head, a flow uniformizing plate and a pelletizing assembly, the die head is fixedly connected with the first support; the flow uniformizing plate is fixedly connected with the surface of the die head where extrusion holes are located, a plurality of first through holes are formed in the flow uniformizing plate, the first through holes correspond to the extrusion holes of the die head in a one-to-one manner, and the depths of the plurality of first through holes decrease in turn along the radial direction of the flow uniformizing plate; the pelletizing assembly is used for pelletizing the pull strips extruded by the flow uniformizing plate. The first through holes with different depths provide differentiated flow resistance for the melt flow rate at different positions, so that the melt flow rate at the outlets of the first through holes tends to be uniform, that is, the instantaneous extrusion amount tends to be equal, thereby improving the uniformity of the diameters of the pull strips, improving the problem of uneven thickness of the pull strips caused by the extrusion amount deviation of the edge holes and the middle holes, and improving the size consistency of the granulating particles and the product quality.

The application discloses a fiber array detection device for a four-quadrant photodetector, which comprises a body, a first end face and a second end face arranged in parallel along a first direction, and a side face extending along a second direction between the first end face and the second end face, wherein four V-shaped grooves arranged in parallel along the second direction are arranged on the side face; four optical fibers, which comprise a cylindrical optical fiber body and a protective layer wrapped on a part of the optical fiber body, and the part of the optical fiber body not wrapped by the protective layer is fixed in the V-shaped groove, and the protective layer is located on the side away from the body of the first end face; the part of the optical fiber body of the four optical fibers in the V-shaped groove is located on a concentric circle, and the distance between the part of the optical fiber body of the adjacent two optical fibers in the V-shaped groove is equal. The fiber array detection device for the four-quadrant photodetector can test the four quadrants of the four-quadrant photodetector simultaneously through the fiber array, improve the test precision, and improve the test efficiency.

There has been demand for an additional method for producing antibodies. The present invention provides: a polymer-coated crosslinked alginate gel fiber in which a core layer containing a crosslinked alginate gel and either antibody-producing cells (e.g., antibody-producing CHO cells) or bioactive-substance-producing cells (e.g., MIN6 cells derived from pancreatic β cells) is coated with a cationic polymer; and a method for producing antibodies, a bioactive substance, etc., using the fiber.

The invention discloses a multi-section fixed bed reactor and application thereof. The fixed bed reactor comprises a plurality of sections of reaction units which are connected in series in the vertical direction, and static mixers arranged between the adjacent reaction units, the reaction unit comprises a reactor and a redistributor positioned above the reactor; a mixing component is arranged in the static mixer, and a heat preservation shell pass is arranged outside the mixing component; the inlet of the static mixer is communicated with the outlet of the reactor of the previous section of reaction unit and the raw material supplementing pipe, and the outlet of the static mixer is communicated with the redistributor of the next section of reaction unit. After each section of reactor discharges, materials are automatically supplemented, mixed and subjected to heat preservation, and then are distributed into the next section of reactor, so that the raw materials can be fully mixed and uniformly distributed. The equipment is simple to operate, and stable, continuous and efficient in production.

The invention discloses length-limiting tensioning equipment for chain machining and manufacturing, and relates to the technical field of chain machining and manufacturing. The length-limiting tensioning equipment comprises a pre-assembling table, an assembling mechanism, a discharging table and a grouping mechanism which are linearly and sequentially distributed in the machining procedure direction through a rack. According to the length-limiting tensioning equipment for chain machining and manufacturing, by arranging the pre-assembling table, an operator can assemble a plurality of chain rings and a plurality of connecting accessories into a semi-finished chain of a linear structure in advance, the pre-assembling table is matched with the feeding mechanism, continuous and automatic assembling can be conveniently carried out in the follow-up process in cooperation with the assembling mechanism, and meanwhile by means of the length-limiting calibration assembly, the production efficiency is improved. The length of the chain can be limited in the assembling link, errors caused by subsequent manual counting are avoided, limiting conveying of semi-finished chains and finished chains is facilitated by arranging the feeding mechanism and the discharging table, continuous production and rapid output of the chains are ensured, and the assembling efficiency is improved by arranging the assembling mechanism, the positioning mechanism and the automatic feeding mechanism. And the semi-finished chain and the chain plate can be automatically assembled.

The utility model relates to the field of rewinding machine, and disclose a kind of for the automatic rewinding machine of double-shaft automatic exchange and automatic cutting of coiled material, including installation on the feed guide roller of rack, tension control roller, length meter, first winding shaft and second winding shaft being arranged in winding area in parallel, double-shaft support, winding drive servo motor, slitting cutter, roll changing mechanism, tail material smoothing mechanism, pneumatic chuck.The automatic rewinding machine for the double-shaft automatic exchange and automatic cutting of coiled material described in the utility model, through double-shaft automatic exchange and the automatic cutting of set length trigger, tail material smoothing and other technical means, realize the high automation and continuity of coiled material processing, significantly shorten roll changing downtime, reduce manual operation and unstable factors, widely applicable to textile, film, label, paper and other industries.Equipment structure is compact, control is reliable, and strong adaptability, facilitate production and reduce cost, and improve coiled material yield rate and post-process matching efficiency.

The present application relates to a kind of scratch-resistant medical antibacterial breathable film and its preparation method, the film includes breathable wear-resistant layer, PET breathable layer and antibacterial breathable layer in turn;Breathable wear-resistant layer includes PET resin, scratch-resistant master batch, lubricating dispersant and auxiliary agent;PET breathable layer includes matrix resin, nanoscale rigid filler master batch, compatibilizer and auxiliary agent;Antibacterial breathable layer includes PET resin, nano silver, chitosan quaternary ammonium salt, nanoscale rigid filler master batch and auxiliary agent.The film of the present application is prepared by co-extrusion and bidirectional stretching, the thickness is 70-90 μm, the pore size is 80-400 nm, can reduce the amount of chitosan derivative, avoid nano silver oxidation blackening and shedding defect, solve the problem that existing wound film is not breathable and easily causes wound deterioration, simply and low cost continuously prepare scratch-resistant antibacterial breathable film.

The invention relates to the technical field of production of vacuum insulated panel core materials, in particular to a preparation method of a vacuum insulated panel core material, which comprises the following steps: cutting raw materials by using an airflow feeding type section cutting machine, opening and mixing filaments, carding to form a net, laying the net to form a felt, hot-pressing and shaping, and cutting. According to the preparation method provided by the invention, a dry process is adopted, so that severe hydraulic shearing and mechanical friction damage to fibers caused by wet pulping are avoided; the step of cutting off the raw materials is carried out by adopting the airflow feeding type section cutting machine, the to-be-cut ends of the glass fiber filaments are downwards suspended in a discharging cavity and are attached to structures such as a second feeding roller by utilizing airflow before cutting, cutting point drifting caused by curling and bending of the fibers is effectively avoided, and the cutting efficiency is improved by being matched with cutting of a cutting knife. The length of the short cut filaments is strictly controlled within a required range, the length distribution of the short cut filaments is concentrated, and the problem that the pore uniformity of the core material and the stability of the heat insulation performance of a final product are affected due to non-uniform length of the short cut fibers is solved.

The utility model relates to the field of sand washing separator, specifically is a sand outlet anti -blocking mechanism of sand washing separator, including separator body, the surface fixed communication of separator body has the discharge pipe, one side fixed connection of separator body has the anti -blocking mechanism, the anti -blocking mechanism includes the mounting bracket, the left side of mounting bracket and the top fixed connection of separator body right side, the bottom fixed connection of mounting bracket has the side plate, the utility model discloses through control motor opening not only can drive knocking block reciprocating movement to the knock of discharge pipe, can also drive dredging pole in the inner chamber of discharge pipe swing, through multiple ways can good avoid the phenomenon that the discharge pipe appears the block, make sand washing separator can normally, continuously sand, make whole production flow not interrupt or slow down, also save the time of manual cleaning, reduce the labor intensity, greatly improve production efficiency.

The present invention relates to a preparation process for making a low-resistance polymer film using waste plastic sintered plates, and belongs to the technical field of polymer film preparation. The present invention changes the conductive properties of the material by cleaning, crushing, grinding and melting the waste generated during the processing of the plastic sintered plates, and improves the efficient use of waste materials, thereby realizing the use of the waste generated at the head and tail of the plastic sintered plates to make a low-resistance polymer film; the present invention performs a three-stage stretching operation on the semi-finished film blank, and the polymer film after stretching is improved in terms of mechanical properties, electrical properties and thermal stability. By optimizing the stretching process, the waste of raw materials and the energy consumption in the processing process can be reduced, thereby reducing production costs. The stretching section operation can reduce defects and stress concentration inside the film material, and improve the overall quality and consistency of the finished product.

The invention discloses a multi-layer carbon fiber felt glue joint automatic processing device and method, and belongs to the field of composite material processing, the device comprises a conveying mechanism for limiting and stably conveying a bearing disc on which carbon fiber felts are placed; the lifting supporting mechanism is arranged below the conveying mechanism and keeps lifting so as to fix the bearing disc in the conveying process; the moving mechanism is arranged above the conveying mechanism, linearly reciprocates in the conveying direction or the opposite conveying direction of the conveying mechanism and keeps a moving path to cover the lifting supporting mechanism; the pressing mechanism is arranged below the moving mechanism in a lifting mode, a pressing roller with the bottom capable of rotating makes contact with the carbon fiber felt on the bearing disc to achieve pressing, the pressing mechanism moves along with the moving mechanism, and the pressing force generated when the pressing roller makes contact with the carbon fiber felt is adjusted in an automatic lifting mode; a gluing mechanism and a welding mechanism are further arranged on the outer side face of the pressing mechanism. By means of the equipment, automatic gluing and welding operation of the multi-layer carbon fiber felt can be achieved.

The utility model discloses a double-station feeding steel wire ring feeding device which comprises two groups of steel wire ring preset seats which are arranged side by side at intervals, a tire body drum is arranged on one side of each steel wire ring preset seat, and a portal frame is arranged above the steel wire ring preset seats and the tire body drum. The portal frame is provided with a steel wire ring transferring mechanism and a driving assembly used for driving the steel wire ring transferring mechanism to move. A plurality of groups of steel wire rings are placed on the steel wire ring presetting seat; the portal frame is matched with the driving assembly to drive the steel wire ring transferring mechanism to reciprocate between the steel wire ring presetting seat and the tire body drum; the steel wire ring transferring mechanism is used for transferring the steel wire ring on the steel wire ring presetting seat to the tire body drum; after the steel wire rings on one group of preset seats are supplied, the steel wire rings can be quickly switched to the other group of preset seats which finish feeding to continue working, so that the shutdown waiting time of a single-station feeding device when feeding is not in time is avoided, continuous production is realized, and the overall production efficiency is greatly improved.