163 results about "Calendering" patented technology

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 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 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 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 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.

The utility model belongs to the technical field of calendering equipment, and particularly relates to a calendering roller for photovoltaic glass calendering equipment, which comprises a lower roller operating platform and a rack which are sequentially mounted from bottom to top, a plurality of calendering roller bodies are sequentially arranged at the bottom of the rack, and a mounting mechanism is arranged between each calendering roller body and the rack. The installation mechanism comprises a guide rail and an installation frame installed at the bottom of the guide rail, the guide rail is movably installed in the width direction of the machine frame from outside to inside, the calendaring roller body is rotatably installed at the bottom of the installation frame, and the guide rail is based on movement. The calendaring roller body is movably installed at the bottom of the machine frame through the guide rail, the calendaring roller body can be moved out from the position between the machine frame and the lower roller operation table through the guide rail, the calendaring roller body can be conveniently disassembled and assembled on the outer side of equipment, and then the calendaring roller body is prevented from being collided in the disassembling and assembling process.

The high-precision calendering equipment comprises a placement frame, and a calendering mechanism, a conveying line and an edge blocking mechanism are arranged on the placement frame. The width of the two sides of the material can be flexibly adjusted through the edge blocking mechanism capable of adjusting the distance. An upper baffle and a lower baffle which can be completely attached to the surface of the pressing roller are arranged on the edge blocking mechanism, a Y-direction air cylinder is used for driving a conical push plate to adjust the distance between the upper baffle and the lower baffle, when the movable pressing roller ascends, the Y-direction air cylinder drives the conical push plate to move forwards, and an inclined face structure on the upper side of the conical push plate pushes the upper baffle to move upwards along with the movable pressing roller. When the movable pressing roller descends, downward pressure is applied to the upper baffle, the pressure is transmitted to the Y-direction air cylinder through the inclined face structure on the upper side of the conical push plate, the Y-direction air cylinder is pressed back, and then the distance between the upper baffle and the lower baffle is shortened. The glass carrier plate is arranged on the conveying line, and when a rolled material passes through the glass carrier plate, the optical thickness measuring devices located on the upper side and the lower side of the glass carrier plate can accurately measure and calculate the thickness of the material.

The utility model relates to a kind of precision seven-roller calendering equipment, belong to film calendering technical field.It includes host monument, multiple bearing seats are arranged in the host monument, each bearing seat has the freedom of transverse movement in host monument;It is characterized in that, it further includes multiple calendering rollers, the calendering roller is one-to-one corresponding with bearing seat, and calendering roller is installed on corresponding bearing seat;The main body of the host monument is a ring-shaped frame, multiple bearing seats are arranged horizontally and linearly in ring-shaped frame;Servo hydraulic cylinder is arranged between each adjacent bearing seat;The cylinder body and piston rod of servo hydraulic cylinder are respectively connected with the bearing seat of two sides.The utility model uses the host monument structure of ring-shaped frame, adds more roller transverse arrangement horizontal layout, while reducing the height of complete machine, increases the overall rigidity of equipment.

The invention relates to the technical field of plates, in particular to a matte anti-dazzle polycarbonate plate and a preparation method thereof. The formula of the plate mainly comprises bisphenol A polycarbonate resin, a specifically prepared hydroxyl-terminated carbonate oligomer, a double-grafted multifunctional epoxy chain extender and the like. A uniform microscopic scattering structure is constructed in a matrix through transesterification, and chain extension, interface wetting and ultraviolet shielding are synchronously realized by using a double-grafted chain extender. During preparation, a reactive extrusion process of sectional feeding is adopted, and gradient cooling and annealing treatment of three-roller calendering are combined. The method effectively solves the problems of low light transmittance and non-uniform haze caused by dependence on inorganic filler or surface coarsening in the traditional technology, realizes unification of high light transmittance, low glare, high definition and excellent weather resistance, and is particularly suitable for the high-end display fields such as vehicle-mounted display, education tablet and the like.

The utility model relates to calendering equipment technical field discloses a kind of film calendering machine roll pitch adjusting device, including chassis, the top surface of chassis is fixedly connected with two vertical boards, vertical board is slidably connected with sliding block by slide rail, sliding block is rotatably connected with upper calendering roller by mounting block, mounting block is screw-connected with screw rod, the lower end of screw rod is fixedly connected with from bevel gear, rotating lever is rotatably connected on chassis, the both sides of rotating lever are fixedly connected with main bevel gear, one end of rotating lever is fixedly connected with hand wheel, the side wall of chassis is fixedly connected with lock sleeve, lock sleeve is screw-connected with locking bolt;The outer portion of hand wheel is provided with shroud, the both sides of shroud are fixedly connected with clamping strip, the side wall of chassis is fixedly connected with two vertical strips on the same side with hand wheel, and clamping groove is clamped on vertical strip.The utility model can lock the position of rotating lever after adjusting in place, and simultaneously using shroud to cover hand wheel, thereby avoiding vibration or touching to cause the dislocation of upper calendering roller.

The application belongs to the technical field of cold upsetting steel wire drawing, and particularly relates to a wire drawing device for preventing cold upsetting steel wire from being broken, which comprises a calender assembly, a spiral steel wire is sleeved and installed on the calender assembly, the calender assembly is provided with a main frame, a middle roller is rotatably installed on the left side of the main frame, a lower pressing part is installed on the top end of the main frame and located at the right upper part of the middle roller, and the lower pressing part is provided with a hydraulic cylinder. The middle roller and the auxiliary roller are combined in an up-down mode, the steel wire is arranged in a spiral mode on the outside of the middle roller, the middle roller and the auxiliary roller are oppositely clamped in an up-down mode, a pressing force is applied to the middle roller and the auxiliary roller by the hydraulic cylinder, the steel wire can be squeezed and passed through when the middle roller rotates, automatic feeding and calendering are realized, the size of the auxiliary roller can be gradually increased, the auxiliary roller is provided with a plurality of auxiliary rollers, segmented continuous calendering is realized, and the steel wire is prevented from being broken.

This invention relates to the field of conveyor belt production technology and discloses a calendering device for conveyor belt production and processing that is easy to adjust. The device includes a base plate, a lower calendering frame fixedly connected to the top of the base plate, an upper calendering frame on the top of the lower calendering frame, a feeding mechanism on one side of the upper calendering frame, a lower calendering roller rotatably connected to the inner cavity of the lower calendering frame, and an upper calendering roller rotatably connected to the inner cavity of the upper calendering frame. Both the lower and upper calendering rollers are rotatably connected via limiting shafts. In this invention, the height of the guide roller can be adjusted via the adjusting arc frame and guide shaft within the guide mechanism. Under the action of the large sprocket, small sprocket, and chain, a speed difference is generated between the calendering roller and the guide roller, thereby creating a rightward force on the conveyor belt placed on the guide roller. This straightens the conveyor belt, ensuring stable transport to the right and preventing the formed conveyor belt from folding, thus guaranteeing the quality of the formed conveyor belt.