204 results about "Calendering" patented technology

The invention discloses a technology for manufacturing a thin film by recycling and calendering a polytetrafluoroethylene material, and belongs to the technical field of high polymer material recycling and processing, the technology for manufacturing the thin film by recycling and calendering the polytetrafluoroethylene material comprises the following steps: crushing waste products, and carrying out three-stage screening impurity removal and melt index detection; after being cleaned by supercritical carbon dioxide, the qualified material is mixed with industrial by-product filler, waste tire rubber powder and the like, low-temperature mixing is conducted through a double-screw extruder, and mixing parameters are automatically regulated and controlled through a tension sensor; performing calendaring forming by a five-roller calendaring unit, preheating the first two rollers, performing differential stretching by the middle three rollers, engraving a micro groove by the third roller, and controlling the thickness precision to be + / -3% by an online thickness gauge; the film is slit after being compounded according to requirements, and scrap edges are crushed and recycled. The method realizes efficient recovery of waste polytetrafluoroethylene, and has the advantages of thorough impurity removal, stable performance, environmental protection and energy saving.

The invention relates to dry-method electrode multi-stage rolling film forming equipment and a differential rolling method, and belongs to the technical field of dry-method electrode calendaring, the dry-method electrode multi-stage rolling film forming equipment comprises a first-stage rolling mechanism, a second-stage rolling mechanism and a third-stage rolling mechanism which are sequentially arranged in the material advancing direction, the first-stage rolling mechanism is used for primarily rolling fibrous network coated particle powder into a first-stage membrane, and the second-stage rolling mechanism is used for primarily rolling fibrous network coated particle powder into a second-stage membrane; the second-stage calendering mechanism overlaps the two layers of first-stage diaphragms and performs differential speed thinning calendering to form second-stage diaphragms; the third-stage calendering mechanism overlaps the two layers of second-stage diaphragms and performs differential speed thinning calendering to form finished diaphragms; the differential calendaring method comprises the steps of powder fibration coating preparation, first-stage calendaring synergetic film forming, second-stage differential superposition calendaring, first-time online thickness-density closed-loop correction, third-stage differential superposition calendaring and second-time online thickness-density closed-loop correction. The problem that in an existing dry-method electrode calendering film forming technology, the consistency of the compaction density and the surface density of a film is poor is effectively solved.

The utility model discloses three-roller press polish equipment which comprises a rack, a press roller mechanism and a heating device, the press roller mechanism and the heating device are installed on the rack, and the rack comprises a pair of wall plates oppositely arranged left and right and a plurality of cross beams connected between the pair of wall plates; the compression roller mechanism comprises an upper roller, a middle roller and a lower roller which are rotationally mounted between the pair of wallboards, and the upper roller, the middle roller and the lower roller are sequentially arranged from top to bottom and extend in the left-right direction; the heating device is arranged at the middle roller and comprises a reflecting plate covering the outer side of the middle roller and at least three temperature control units installed on the inner side of the reflecting plate, the reflecting plate is in an arc shape, the at least three temperature control units are sequentially arranged in the left-right direction, and each temperature control unit comprises a temperature controller, a temperature sensor and a plurality of heating pipes. The temperature controller is in signal connection with the temperature sensor and the plurality of heating pipes; the heating device is mounted at the middle roller and controls the heating temperature in a partitioned manner, so that a product extruded by the extrusion die is uniformly heated, and the thickness uniformity of a final finished product is ensured.

A system and methods for manufacturing a dry electrode for an energy storage device are disclosed. The system includes a first dry electrode material delivery system configured to deliver a dry electrode material, a first calendering roll, a second calendering roll, and a controller. The second calendering roll is configured to form a first nip between the first calendering roll and the second calendering roll. The first nip is configured to receive the dry electrode material from the first dry electrode material delivery system, and form a dry electrode film from the dry electrode material. The controller is configured to control a rotational velocity of the second calendering roll to be greater than a rotational velocity of the first calendering roll. The method may include providing a multi-roll calender system comprising a first calender roll, a second calender roll; rotating the first calendering roll at a first rotational velocity; rotating the second calendering roll at a second rotational velocity; providing a first dry electrode material to a first nip between the first calendering roll and the second calendering roll to form a dry electrode film. The second rotational velocity may be greater than the first rotational velocity.

The application discloses a LVT double-machine composite production line, which comprises a first extruder, a first calendering and laminating device, a heating device and a film material laminating device which are sequentially connected from right to left; the first calendering and laminating device comprises a first constant-thickness roller group, a second constant-thickness roller group and a composite roller group, the first constant-thickness roller group is located above the composite roller group, and the second constant-thickness roller group is located right of the composite roller group; the production line further comprises a second extruder and a glass fiber placing mechanism, the discharge end of the second extruder is communicated with the first constant-thickness roller group, and the glass fiber placing mechanism is installed on the top of the first calendering and laminating device; the base material and the middle material are directly extruded and laminated with glass fibers, and it is not necessary to roll, cool and then warm up in advance, so that a large amount of energy is saved and a large amount of complicated operation is reduced; the first extruder, the first calendering and laminating device, the heating device and the film material laminating device are sequentially arranged, so that only the length direction of the occupied space is occupied, and the space of the equipment is saved.

The utility model relates to the technical field of PTFE (Polytetrafluoroethylene) film calendaring, and discloses PTFE film calendaring production equipment which comprises a calendaring table, the top end of the calendaring table is fixedly connected with a calendaring frame, the inner side of the calendaring frame is rotatably connected with two connecting thread bushings, the number of the connecting thread bushings is two, and the number of the connecting thread bushings is two. The outer side of the connecting threaded sleeve is fixedly connected with a transmission assembly, the inner side of the connecting threaded sleeve is in threaded connection with a connecting threaded rod, the bottom end of the connecting threaded rod is fixedly connected with a connecting frame, the inner side of the connecting frame is rotationally connected with an auxiliary calendering roller, and the outer side of the connecting frame is fixedly connected with a limiting assembly. And the outer side of the calendering frame is fixedly connected with a main calendering assembly. The PTFE film calendering production equipment has the advantages that the distance between the calendering rollers can be known, and PTFE films with different thicknesses can be calendered conveniently.

The utility model belongs to the technical field of conveyer belt calendering equipment, and discloses an automatic trimming knife device for a conveyer belt calender. The two servo motors respectively drive the two sets of ball screws to respectively drive the cutters to move, and the cutters are aligned with the edges of the canvas; the two sets of infrared detectors are arranged on one side of the roller; the infrared detector is connected with the servo controller, and the servo controller is connected to the servo motor; the linear displacement sensor measures the moving value of the cutter. The servo motor is connected with the ball screw through a key and a coupler to transmit torque; the other end of the flange sleeve is fixed with the left mounting bracket; the two ends of the ball screw are supported and mounted in the left mounting bracket and the right mounting bracket through bearings respectively; and a nut on the ball screw is connected with a cutter. According to the device, the cutter always tracks the detection position constantly, it is guaranteed that the tracking position of the cutter is consistent with the position of the detected canvas, and therefore it is guaranteed that the edge of a cut film completely coincides with the edge of the canvas.

A calendering mechanism of the plastic sheet calender comprises a front roller device, a middle roller device and a rear roller device, a land wheel device of a debugging mechanism is arranged on a longitudinal ground rail, the front roller device comprises a front calendering roller, a front supporting seat and a front roller driving part, and the middle roller device comprises a middle calendering roller, a middle supporting seat and a middle roller driving part. The rear roller device comprises a rear calendering roller, a rear supporting seat and a rear roller driving component, the middle supporting seat is arranged on the memorial archway, a front displacement guide rail and a rear displacement guide rail are further arranged on the memorial archway, the front supporting seat is arranged on the front displacement guide rail, the rear supporting seat is arranged on the rear displacement guide rail, and the middle calendering roller is arranged between the front calendering roller and the rear calendering roller. A front seat shifting transmission device and a rear seat shifting transmission device are further arranged on the memorial archway. And a front-middle-rear three-roller calendering structure is arranged in the calendering mechanism, so that the coiled plastic sheets can be conveniently penetrated and arranged, and the thickness of the calendered sheets can be adjusted in a matched manner. And the debugging mechanism enables the whole rack memorial archway to be matched on the longitudinal ground rail to adjust the position by utilizing the ground wheel device.

The utility model belongs to the technical field of papermaking, and particularly relates to a calendaring device for producing inkjet heat transfer printing body paper, which comprises a rack, and an upper calendaring roller and a heating roller are arranged on the rack. The upper calendering roller is rotationally arranged on the rack; the heating roller is arranged below the upper calendering roller, the two ends of the heating roller are communicated with a liquid inlet pipe and a liquid outlet pipe, and an adjusting assembly is arranged in the heating roller and used for adjusting the distribution area of hot liquid in the heating roller. According to the utility model, the area range of the hot liquid entering the heating roller from the liquid inlet pipe can be adjusted through the adjusting assembly according to the width of a paper web to be calendered, so that the hot liquid can be heated in a targeted manner, and the waste of heat is reduced.

The utility model discloses a PTFE (Polytetrafluoroethylene) air purification film calender guide plate with a heating function, which comprises a calendering component, a guide plate, a heating component and a heating component, wherein the calendering component comprises an upper compression roller and a lower compression roller which are used for calendering molding; the guide assembly comprises a seat body, a sliding seat and a guide plate, the seat body is arranged on one side of the calendering assembly, a driving motor is arranged on the seat body, the output end of the driving motor is connected with a driving gear, the sliding seat is slidably connected to the seat body, a rack is arranged on the sliding seat, the rack is meshed with the driving gear, and the guide plate is fixedly installed on the sliding seat. And a heating rod is arranged in the guide plate. Compared with the prior art, the guide plate solves the problem that an existing guide plate cannot heat and preserve heat of raw materials to be calendered.

The present application belongs to the technical field of heat dissipation devices, and particularly relates to a double-sided heat-conducting gasket with different properties and a preparation method thereof. The present application does not use the existing silica cloth as a reinforcing material, but uses a glass cloth blank without additional material and without a coating process as a medium for supporting two kinds of silica gel. The concentration of organic reactants and the molecular weight of silica gel on both sides of the glass cloth are calculated and controlled, and then the silica gel is subjected to stepwise calendering and vulcanization, so as to form a double-sided heat-conducting gasket with different properties on both sides, one side having adhesion and no air holes, and the other side having high strength and less oil bleeding. The present application firstly reduces the oil bleeding rate on the surface of the gasket with the traditional silica cloth as the reinforcing material, and secondly effectively reduces the dense air holes on the surface of the high-heat-conducting gasket with the additional reinforcing material below 0.5 mm, thereby enhancing the stability of the gasket performance.

A system and methods for manufacturing a dry electrode for an energy storage device are disclosed. The system includes a first dry electrode material delivery system configured to deliver a dry electrode material, a first calendering roll, a second calendering roll, and a controller. The second calendering roll is configured to form a first nip between the first calendering roll and the second calendering roll. The first nip is configured to receive the dry electrode material from the first dry electrode material delivery system, and form a dry electrode film from the dry electrode material. The controller is configured to control a rotational velocity of the second calendering roll to be greater than a rotational velocity of the first calendering roll. The method may include providing a multi-roll calender system comprising a first calender roll, a second calender roll; rotating the first calendering roll at a first rotational velocity; rotating the second calendering roll at a second rotational velocity; providing a first dry electrode material to a first nip between the first calendering roll and the second calendering roll to form a dry electrode film. The second rotational velocity may be greater than the first rotational velocity.

The invention relates to the field of intelligent monitoring of steel rolling machining, and particularly discloses an intelligent monitoring system and method for steel rolling machining, and the method comprises the steps: firstly, collecting the temperatures of different to-be-monitored roller regions and monitoring images of different positions of to-be-monitored steel in a rolling machining process; the method comprises the following steps: firstly, acquiring temperature change characteristic information of different to-be-monitored roller areas through a sequence encoder, then, carrying out noise reduction preprocessing operation on monitoring images of different positions of to-be-monitored steel, and then, respectively acquiring steel difference characteristics and steel surface change characteristics in the monitoring images after noise reduction through a deep learning technology; and finally, judging whether the heating values of the to-be-monitored steel in the different roller areas are stable or not in the calendaring process by combining the characteristic information of the steel and the temperature characteristic information of the different roller areas. And if not, corresponding measures are taken in time, so that the production quality of the to-be-processed steel can be ensured.

This invention discloses a zebra stripe-shaped continuous calendering and coating lithium replenishment device, belonging to the technical field of lithium replenishment devices. It includes a base, with a first worktable and a second worktable fixedly mounted on the outer end face of the base. A stripe peeling device is provided above both the first and second worktables. An A-side traction film positioning mechanism and an A-side calendering roller are fixedly mounted on the upper left of the base, and a B-side traction film positioning mechanism and a B-side calendering roller are fixedly mounted on the upper right of the base. A fine-tuning mechanism, a speed encoder, a color mark sensor, a coating mechanism, an electrode unwinding drum, and an electrode winding drum are fixedly mounted on the outer surface of the base. The electrode unwinding drum and the electrode winding drum are connected by an electrode, which passes through the coating mechanism. This invention can achieve the integrated functions of A-side and B-side calendering, continuous zebra stripe peeling, and lithium film alignment positioning, realizing a multi-functional device with strong functionality, effectively reducing processing costs, and high practicality.

The invention relates to the technical field of filtering materials, and mainly relates to an air filtering material and a preparation method thereof. The invention relates to an air filtering material, which comprises the following components: 60-70 parts by weight of wood pulp fiber; 10 to 20 parts by weight of a modified PAN nanofiber; 1-3 parts by weight of a modified PTFE emulsion; 5 to 10 parts by weight of modified PLA; 0.1 to 1 part by weight of chitosan; and 0.01 to 0.1 part by weight of sodium polyacrylate. The preparation method of the air filtering material comprises the following steps: soaking wood pulp fibers in water, and pulping; mixing the pulped wood pulp fibers, the modified PAN nanofibers, the modified PTFE emulsion, the modified PLA, chitosan and sodium polyacrylate to obtain mixed paper pulp; carrying out papermaking by utilizing the mixed paper pulp; and drying and calendering to obtain the air filtering material. The air filtering material provided by the invention also has the effects of high moisture resistance and strong antibacterial property while ensuring high filtering performance.

The invention relates to reverse UV paper and a preparation method thereof. The preparation method comprises the following steps: pulping, preparing pulp, dehydrating and forming a net part, squeezing by a squeezing part, drying by a front drying part, sizing, drying by a rear drying part, calendering by a calender, coiling, packaging and warehousing. Wherein in the sizing step, gelatinized starch with the solid content of 10-12% is adopted as a sizing material, the viscosity of the sizing material is 10-20 cps, the sizing temperature is 70-78 DEG C, and the sizing amount is 3.5 g / m < 2 >-4.5 g / m < 2 >. Different from the prior art, according to the technical scheme, in the sizing step, a large amount of sizing agent adheres to the paper surface by increasing the sizing temperature and reducing the viscosity and the solid content, so that the capillary action of the paper surface is reduced, short-chain starch in the sizing agent is linked with fibers, the fibers are endowed with hydrophobic groups, the hydrophobicity of the paper surface is increased, and the paper surface hydrophobicity is improved. And the UV ink forms a floating layer on the paper surface and is rapidly cured, so that the effect of embossment three-dimensional texture is achieved.

The utility model belongs to the technical field of calendaring rollers, and particularly relates to an adjustable calendaring roller set which comprises a first calendaring roller, installation frames are arranged at the two ends of the first calendaring roller, the outer walls of the installation frames are rotationally connected with the first calendaring roller, one end of each installation frame extends into the first calendaring roller, and the other end of each installation frame is connected with the first calendaring roller. A connecting frame is fixedly connected between the two mounting frames, a mounting frame is fixedly connected in the connecting frame, a plurality of electric heating pipes are embedded in the mounting frame, a high-temperature-resistant heat conduction net is fixedly connected among the plurality of electric heating pipes, and the mounting frames are sleeved with an outer mounting seat; by means of the technical scheme, when the first calendaring roller conducts calendaring on the workpiece, the exterior of the first calendaring roller can keep good and even temperature, the influence of uneven calendaring of the workpiece caused by uneven surface temperature of the first calendaring roller is avoided, and the calendaring quality of the workpiece is improved.

The utility model discloses a kind of SMC sheet double-roller calendering devices, including base, the left end of base is equipped with motor, and the output shaft of motor is connected with the shaft of calendering roller by transmission gear, the calendering roller is provided with two, and calendering roller rotation is installed in the inside of support;Further include: movable shaft, fixed to the one end of calendering roller away from transmission gear, the movable shaft is engaged transmission by bevel gear set and transmission shaft, and the outside of transmission shaft is provided with suction assembly, the suction assembly is connected with fixed box, and fixed box is installed in the side of calendering roller, and the upper edge of fixed box is pasted with cleaning strip.The SMC sheet double-roller calendering device, in calendering working process, part of material or dust adhered to calendering roller surface can be cleaned in time, avoid affecting the flatness of subsequent calendering product surface, and then improve product quality.

The application discloses a solar cell POE encapsulation adhesive film production device, and relates to the technical field of encapsulation adhesive film manufacturing equipment, which comprises a calender, a motor is fixedly installed on one side of the calender, and a pair of compression rollers are rotationally connected in the calender; the device further comprises a constraint mechanism, which comprises a mounting cylinder fixedly sleeved on the outside of the compression rollers, and a plurality of nails are slidably connected around the outside of the mounting cylinder; the transverse expansion of the material is constrained through the friction between the nails and the material, so that the transverse expansion of the material caused during the calendering of the accumulated material is reduced, the size precision of the adhesive film is improved, more adhesive film material is used for the calendering and stretching of the adhesive film, the unevenness of the edges of the adhesive film is prevented from being aggravated, and the cutting amount of the edges of the adhesive film is reduced; after the adhesive film is calendered, the nails are moved towards the end of the compression roller, an outward pulling force is applied to the edges of the adhesive film, the adhesion balance between the adhesive film and the nails is broken, and the adhesive film is separated from the nails.

The invention discloses a preparation method of a TPU (thermoplastic polyurethane) and PVC (polyvinyl chloride) composite fabric, and relates to the field of fabrics. Thermoplastic polyurethane, polyvinyl chloride and a reactive compatibilizer are blended, dicumyl peroxide is introduced to serve as a cross-linking agent, the interfacial compatibility and processing stability of TPU / PVC are remarkably improved, then a film is prepared through a four-roll calendering technology, the film is attached to a polyester non-woven fabric base cloth coated with ultraviolet curing glue, and the film is formed. And the high-performance composite fabric is obtained after ultraviolet irradiation curing. The composite fabric obtained by the invention has excellent mechanical properties and bonding strength.

The invention provides a calendaring device for industrial belt production, and relates to the technical field of calendaring devices.The calendaring device comprises a rack, a rough calendaring mechanism, a fine calendaring mechanism and a conveyor are sequentially arranged on the rack from left to right, and an unwinding mechanism is arranged at the upper end of the rough calendaring mechanism; the fine calendering mechanism comprises a vertical roll calendering mechanism and a flat roll calendering mechanism which are sequentially arranged from left to right, the unwinding mechanism is used for automatically unwinding an industrial belt base material roll, one end of an industrial belt base material is vertically put into the rough calendering mechanism, and the industrial belt base material subjected to rough calendering is completed; after the direction is changed, the industrial belt base material sequentially enters the vertical roll calendering mechanism and the flat roll calendering mechanism in the horizontal direction, and the industrial belt base material subjected to fine calendering is finally conveyed to the next procedure through the conveyor. Various quality defects in the industrial belt calendering process can be comprehensively covered, the problems of thickness deviation, surface concavo-convex, edge warping, insufficient internal compactness and the like can be effectively solved, and different materials can be compatible through accurate parameter adjustment.

The utility model relates to the technical field of metal material calendaring, in particular to a metal material calendaring device which comprises a base, a lower calendaring roller, an upper calendaring roller, a lower guide plate, a wind-up roller and a limiting plate a. The base is connected with a lower calendering roller which is connected with a transmission piece; an upper calendaring roller is connected above the lower calendaring roller and is connected with an adjusting piece; the adjusting piece comprises mounting rods connected to the two ends of the upper calendering roller, supporting rods are connected to the two sides of the mounting rods and connected with connecting plates, and the connecting plates are connected with the upper guide plate; the supporting rods are connected with sliding blocks, and the two sliding blocks are connected into the moving groove a and the moving groove b correspondingly. The lower portion of the upper guide plate is connected with a lower guide plate, the lower guide plate is connected to a base, and the base is connected with a winding roller. And the limiting plate a is connected to the base. In the adjusting process of the upper calendering roller, the two sliding blocks move in the moving groove a and the moving groove b respectively, the adjusting perpendicularity of the upper calendering roller is conveniently improved, and the metal material calendering effect is improved.

The calendering roller comprises a roller body, rotating shafts are fixedly installed at the center positions of the outer surfaces of the two sides of the roller body, inserting columns are fixedly installed at the top ends of the rotating shafts, and locking connecting blocks are arranged at the top ends of the inserting columns. At least three locking clamping blocks are arranged on the outer surface of the locking connecting block, the multiple locking clamping blocks are circumferentially distributed at equal intervals through the center circle point of the locking connecting block, an inner inserting-connecting groove matched with the inserting-connecting column is formed in the center of the locking connecting block, and a bearing is arranged on the side, away from the roller body, of the locking connecting block; according to the roller structure, the roller body can be quickly mounted and dismounted very conveniently, the roller structure is quick to dismount for overhaul and maintenance, the roller structure is convenient to dismount and low in difficulty, the overall overhaul and maintenance efficiency of the calender roller is effectively improved, the using effect is good, the overall structural design is simple, assembly is convenient, and the roller structure is suitable for popularization and application.

The utility model discloses textile fabric calendering equipment, which relates to the field of textile processing, and comprises a calendering box, a cleaning device is arranged at a left feed port of the calendering box, a cooling device is arranged at a right discharge port of the calendering box, a back-and-forth rotatably connected support roller is arranged in the calendering box close to the left feed port, and the back-and-forth rotatably connected support roller is arranged in the calendering box close to the left feed port. A lower pressing roller device is rotationally connected to the position, close to the right side discharging port, in the calendering box, two fixed heating rollers are rotationally connected to the middle position between the supporting roller and the lower pressing roller device, and the central axes of the supporting roller, the fixed heating rollers and the lower pressing roller device are parallel to one another and located in the same horizontal plane. A tensioning heating roller device is arranged under the two fixed heating rollers, a parallel liftable upper pressing roller device is arranged over the lower pressing roller device, the device can quickly perform cleaning, heating, calendaring and cooling procedures, the structure is compact and reliable, the calendaring effect is improved, and the working efficiency is improved.

The utility model relates to the technical field of bubble aluminum heat insulation film blanket production equipment, and discloses a polyvinyl fluoride flame-retardant bubble aluminum heat insulation film blanket production device which comprises a calendering box, an inlet and an outlet are formed in the two ends of the calendering box respectively, and two rows of horizontal lower calendering rollers and upper calendering rollers are rotationally connected into the calendering box. Lower transmission shafts rotationally connected with the calendering box are fixedly installed at the two ends of the lower calendering roller, upper transmission shafts are fixedly installed at the two ends of the upper calendering roller, a driving unit used for driving the lower transmission shafts to rotate at the same time is arranged on one side of the calendering box, and a transmission unit for synchronous transmission is arranged between every two upper transmission shafts and lower transmission shafts. The upper portion of the calendering box is provided with adjusting units used for adjusting the height positions of the multiple upper calendering rollers. According to the utility model, the distance between each lower calendering roller and each upper calendering roller can be adjusted through the adjusting unit, so that the quality of a polyvinyl fluoride film after calendering is improved, and the production quality of a polyvinyl fluoride flame-retardant bubble aluminum heat-insulating film blanket is improved.

The utility model discloses a calendaring, slitting and anti-sticking diffusion all-in-one machine, which comprises a rack, and a primary calendaring roller group, a secondary calendaring roller group, a slitting knife group, a noodle diffusion flow plate and a control device which are arranged on the rack, the primary calendaring roller group is arranged above the secondary calendaring roller group, the slitting knife group is arranged below the secondary calendaring roller group, and the control device is arranged on the rack. The upper thread diffusion flow plate is located at the discharging end below the strip cutting knife set, the first-stage calendering roller set and the second-stage calendering roller set are each composed of a pair of calendering rollers, the calendering gap formed by the second-stage calendering roller set is smaller than that formed by the first-stage calendering roller set, and the upper thread diffusion flow plate is an arc-shaped plate which is obliquely arranged downwards; the control device independently controls operation of the first-stage calendering roller set, the second-stage calendering roller set and the slitting knife set. The two calendering roller sets are arranged before strip cutting, so that the texture of noodle strips is more uniform and smoother, the cut noodles fall onto the arc-shaped noodle diffusion flow plate, and the problem that the noodles are combined and adhered can be effectively solved.

The application discloses a laser ranging four-roller micro-foaming calender and a calendering method thereof, and belongs to the technical field of plastic foamed plate processing equipment. The calender comprises a four-roller calendering unit, a laser ranging unit, a servo adjusting unit and a control system. The plate thickness is detected in a non-contact real-time mode by a laser triangulation ranging sensor, and the servo motor is linked with the PLC control system to realize closed-loop dynamic adjustment of the roll gap. The calendering method adopts multi-channel symmetrical calendering of the upper roller group and the lower roller group and gradient temperature control, so that the plate sequentially completes surface skinning, internal foaming and thickness setting calendering, and the thickness uniformity and the surface quality are effectively improved.

The utility model discloses calendering equipment for wire production. The calendering equipment comprises a rack, a calendering assembly, a tension adjusting assembly, a guide assembly and a cleaning assembly. The guide assembly comprises a front guide wheel unit, a rear wire guide wheel unit and a roller front guide unit; the cleaning assembly comprises a fixing plate, a cleaning scraping head and a collecting tank; according to the utility model, the cleaning assembly is arranged in front of the calendering rollers, so that various impurities attached to the surface of the electric wire can be effectively scraped, and the guide assembly is arranged, so that the electric wire to be calendered can be guided and prevented from twisting. In addition, in the overall structure, the tension adjusting assembly is arranged behind the calendering rollers, the wire outlet tension can be conveniently adjusted, the efficiency of follow-up rolling operation is improved, the distance between the calendering rollers can be conveniently adjusted through the handle, the calendering device is suitable for calendering operation of different sizes, and the production efficiency is improved. The angle iron units between the upper and lower calendering rollers can guarantee the superposition of the axes of the upper and lower calendering rollers so as to improve the calendering quality.

The utility model relates to the technical field of ceramic fiber manufacturing, and particularly discloses a ceramic fiber liner calendering device which comprises a track plate. A calendering mold plate is connected in the track plate in a sliding manner; a limiting groove is formed in the calendering mold plate; a plurality of calendering grooves are formed in the limiting groove; a suspension is fixedly connected to the track plate; the suspension frame is fixedly connected with a hydraulic push rod; the movable end of the hydraulic push rod is fixedly connected with a middle block; a first fastener is inserted into an opening in the middle block; the first fastener is sleeved with a fixing plate; a rotating unit is arranged on the fixed plate; a hydraulic push rod pushes a rotating unit, a movable plate and a central shaft to descend, so that the central shaft and the inner surface of a limiting groove are in contact with a ceramic fiber gasket in a calendering groove for rotary calendering, the space in the calendering groove is filled, and the final size of the calendered ceramic fiber gasket is consistent; and a large number of ceramic fiber liners can be calendered at a time.

The present application relates to a kind of forming method of casting billet multi-roller swing roller integral forming super-large diameter disc piece, comprising the following steps: S1, obtaining casting billet;S2, casting billet is transferred to heating furnace, and heated in the forging temperature interval interval, so that the temperature of casting billet is homogenized;S3, casting billet is transferred to multi-roller swing roller equipment, casting billet is revolved with lower mould under the action of rotating lower mould, and lower mould is driven along the axial direction under the action of sliding beam, and revolves around its own axis under the action of workpiece friction force, so that casting billet generates continuous local plastic deformation, and then height is reduced, diameter is expanded, and disc piece is obtained;S4, disc piece after axial rolling forming is heat treated and modulated.The present application has the characteristics of small equipment tonnage, short process flow, material and energy saving and the like, and the super-large diameter metal disc piece integrally formed using the method has complete metal streamline, uniform structure and good mechanical properties, and can meet the needs of large nuclear power, deep sea exploration, petrochemical and other pressure vessels with high safety grade.