58 results about "Teflon af" patented technology

The invention discloses an antistatic teflon sleeve and a preparation method thereof. The antistatic teflon sleeve is prepared from the following components in parts by weight: 80-95 parts of teflon resin, 5-20 parts of a core-shell structure conductive filler, 1-3 parts of a compatilizer, 0.5-2 parts of a flexibilizer and 0.1-0.5 part of an antioxidant. The outer protective layer is prepared from the following components in parts by weight: 70 to 85 parts of ethylene-tetrafluoroethylene copolymer, 5 to 15 parts of modified nano silicon dioxide, 5 to 10 parts of fluororubber, 1 to 3 parts of antistatic aid and 0.1 to 0.5 part of ultraviolet absorbent. Through the design of the core-shell structure conductive filler, the core layer nano copper powder provides high conductivity, the shell layer PVDF has good compatibility with the Teflon base material, the surface modification layer further enhances the interface bonding force, the volume resistivity of the inner layer base material is reduced, and the antistatic requirement is met; the conductive filler is uniformly dispersed in the base material instead of a surface coating, so that the antistatic performance failure caused by friction or bending is avoided, and the antistatic performance is lasting and stable.

The application relates to the field of intelligent processing, and particularly discloses a manufacturing system and method for a super-thick 5G antenna module, which uses artificial intelligence technology based on a deep neural network model to perform feature coding and extraction on a detection positioning image and a reference positioning image of a super-thick structure, so as to obtain a classification label for indicating whether the positioning of the super-thick structure is accurate, thereby constructing a drilling processing scheme for a Teflon circuit board to analyze the detection image and the reference image of the super-thick structure, improving the positioning accuracy of the super-thick structure, and reducing labor costs.

The utility model discloses an adjustable FPC board teflon tube efficient assembly integrated device, and relates to the technical field of assembly integrated devices, the adjustable FPC board teflon tube efficient assembly integrated device comprises a conveying device, and one side of the conveying device is provided with an assembly device; a first grabbing device and a second grabbing device are symmetrically installed in the assembling equipment. In the assembling process, the first grabbing device and the second grabbing device are accurately controlled to ascend, descend, move left and right and move front and back through a plurality of motors, an FPC board can be accurately grabbed and placed, the position accuracy of parts in the assembling process is guaranteed, and the assembling efficiency is improved. And meanwhile, a first vacuum adsorption disc and a second vacuum adsorption disc on the first grabbing device and the second grabbing device can adapt to grabbing and placing of FPC boards of different sizes and shapes, and the universality of the equipment is improved.

This invention relates to a manufacturing process and structure for a winding coil with good insulation and high precision, belonging to the field of power supply accessory technology. The manufacturing process includes: preparing a high-temperature resistant, heat-fusible FR-4 material substrate; forming a winding coil receiving cavity by CNC machining a single-layer substrate, or forming a substrate by stacking multiple layers of FR-4 plates and simultaneously machining the receiving cavity and winding coil hole plug by CNC machining; installing the winding coil in the receiving cavity; covering the winding coil pin ends with Teflon sleeves or wrapping them with high-temperature resistant tin foil to form an insulating layer; setting FR-4 / ceramic / aluminum panels on the upper and lower surfaces of the substrate, and stacking FR-4 fusible panels according to the thickness requirements of the finished product; after fixing the assembly, performing hot pressing fusion to integrate the materials of each layer; and performing CNC precision machining on the winding holes after cooling. This winding coil manufacturing process and structure utilizes FR-4 material to wrap the winding coil internally, resulting in good voltage resistance and insulation performance. The thickness of the finished product can be customized according to the application scenario or different equipment, and the minimum encapsulation thickness is 0.01 mm thick copper wire or copper sheet.

The utility model discloses a Teflon pipe cleaning device which comprises a bearing frame, a first pool box and a second pool box, the first pool box and the second pool box are fixedly connected to the bearing frame, cleaning agents are injected into the first pool box, clear water is injected into the second pool box, immersion assemblies are installed on the first pool box and the second pool box respectively, two sets of partition plates are arranged in the first pool box, and the partition plates are arranged in the second pool box. The two sets of partition plates are connected with annular plates through bolts correspondingly, a rubber sleeve is arranged between the two sets of annular plates, flexible brush strips are evenly distributed in the rubber sleeve, a movable frame is connected to the first pool box in a sliding mode, the movable frame is connected with a tightening cover, and the tightening cover is connected to the rubber sleeve in a sleeving mode and used for tightening the rubber sleeve to drive the flexible brush strips to make contact with the outside of the Teflon pipe to achieve even cleaning of the Teflon pipe. And the surface of the Teflon pipe is not easily scratched, so that the Teflon pipe keeps stable chemical properties.

The application discloses a Teflon insulating material product and a preparation method thereof. The method comprises the following steps: mixing and calendering polytetrafluoroethylene fine powder, perfluoroalkoxy resin micro powder, polymethyl methacrylate flaky particles and liquid processing aids, and performing embossing treatment on one side of the mixture to obtain a main body insulating layer strip; then, inner layer strip and outer layer strip are prepared, and the inner layer strip and the outer layer strip are combined into a blank through multi-layer staggered winding; subsequently, the polymethyl methacrylate flaky particles are removed through staged heat treatment to form cavities, and the cavity edges are closed, and finally, the Teflon insulating material product is obtained. The product is internally formed with a discrete closed microcavity structure which is continuously staggered and distributed along the length direction, and has low dielectric constant, low dielectric loss, high electrical strength and high partial discharge inception voltage.

The invention relates to the technical field of metal surface treatment process auxiliary equipment, and discloses a method for prolonging the service life of a loading hanger for a special polishing and washing process, which comprises the following steps: S1, a spray gun nozzle is matched with carborundum to carry out sand blasting treatment on the hanger; s2, an alkali washing degreasing agent is matched with ultrasonic power cleaning equipment for cleaning; s3, the hanging tool is put into an oven to be heated step by step, and a Teflon powder material is evenly sprayed and attached to the surface of the hanging tool from top to bottom through a spray gun; s4, after spraying is completed, the hanging tool is moved into a constant-temperature oven, the temperature is set, constant-temperature curing is conducted, and then heating is stopped till the hanging tool is naturally cooled to the normal temperature; the titanium alloy hanger base body and the Teflon protection layer are used in cooperation, hydrofluoric acid corrosion resistance and high temperature resistance of Teflon are utilized, a compact protection film is formed on the surface of the hanger, and passive film damage and metal corrosion reaction are avoided; and meanwhile, the binding force of the protective layer and the base body is improved through the sand blasting roughening process, and the service life of the hanger is prolonged.

This invention discloses a non-scratching cleaning device for bridging aluminum palladium non-rigid strips. This invention relates to the field of bridging aluminum palladium production technology and includes a chassis assembly. Two sets of supports are fixedly connected inside the chassis assembly. The tops of the two sets of supports are connected to a first conveyor assembly and a second conveyor assembly. The first and second conveyor assemblies have identical structures and are symmetrically distributed. The drive ends of the first and second conveyor assemblies, located on the supports, are connected to a drive mechanism. By using polyethylene or polyester material as the mesh belt, compared to traditional stainless steel or Teflon mesh, its softness effectively prevents scratches on the surface of the bridging aluminum palladium during conveying, protecting the appearance quality and physical properties of the bridging aluminum palladium. Simultaneously, the two sets of mesh belts press and convey the bridging aluminum palladium, utilizing the material's flexibility to achieve a stable pressing effect, preventing movement of the bridging aluminum palladium during washing and drying, and ensuring the smooth progress of the washing and drying processes.

An automatic cleaning machine for a Teflon dragon boat comprises a conveying belt used for horizontally conveying a Teflon dragon boat carrier, and a positioning groove is formed in the upper surface of the carrier and matched with the bottom of the Teflon dragon boat; the first cleaning mechanism and the second cleaning mechanism are arranged on a conveying path of the conveying belt; each of the first cleaning mechanism and the second cleaning mechanism comprises a shielding cover, an execution unit and a spraying unit, wherein the execution unit is used for clamping the teflon boat from the left side and the right side, lifting the teflon boat to a designated position and then rotating the teflon boat front and back, and the spraying unit is used for spraying cleaning liquid to the rotating teflon boat. The shielding cover is provided with an inlet and an outlet for a carrier and a teflon boat on the carrier to pass through, the execution unit and the spraying unit are arranged in the shielding cover, the spraying unit is located above a designated position, the second cleaning mechanism is located on the front side of the first cleaning mechanism, and the shielding cover is further provided with a gas supply port for introducing hot nitrogen. The teflon dragon boat cleaning and drying device can automatically clean and dry a teflon dragon boat, saves labor cost and is high in safety.

The invention relates to a thermal forming plastic pipe machine. Comprising a base table, a motor control assembly arranged on one side of the base table, a pushing unit arranged on the base table, a rotating unit arranged on the pushing unit, a clamping unit arranged on one side of the pushing unit, a heating forming unit arranged on one side of the base table and a toggle clip unit arranged on one end side of the base table. The rotating unit can be used for embedding and clamping a forming rod sleeved with a machined Teflon pipe, the forming rod is at least provided with a threaded part at one end, and the rotating unit can drive the forming rod to rotate; the pushing unit can push the rotating unit to slide on the base table, the clamping unit can clamp the forming rod sleeved with the machined Teflon pipe, and the heating forming unit conducts heating and pressurizing machining action on the threaded portion of the forming rod sleeved with the machined Teflon pipe. The thread part of the forming rod is sleeved with the machined Teflon pipe, and the machined Teflon pipe is in a spiral shape. Therefore, the diversification, the convenience and the processing accuracy of processing the Teflon pipe for the chemical industry into a spiral shape can be improved.

This invention relates to a steam pipe assembly for a semi-automatic coffee machine, addressing the technical problem in similar products where the Teflon water pipe and temperature sensor within the steam pipe are difficult to use simultaneously, and disassembly and cleaning are inconvenient. The key feature is that the steam pipe outlet of this assembly has a silicone sleeve. One end of the Teflon water pipe is fixedly installed in a first groove on the outer diameter side of one end of the silicone sleeve. The steam sensor is fixedly installed in a second groove in the middle of the silicone sleeve via a steam pipe nozzle. The first and second grooves are arranged parallel to each other in a Z-shape. The outer diameter of the steam pipe nozzle side of the first groove has a slotted edge. The end of the Teflon water pipe passes through the first groove and is correspondingly snapped into the slotted edge of the outer diameter of the silicone sleeve at that end via the steam pipe nozzle. Steam from the Teflon water pipe flows out through the groove and nozzle hole inside the steam pipe nozzle. The steam pipe outlet has a nozzle connector, and one end of the bracket's switch has a button. The switch lever employs two different structures.

The utility model discloses a flattening roller, a pole piece rolling device and pole piece processing equipment, and relates to the technical field of power batteries. The pole piece coating roller comprises a roller body and at least one pair of first ring parts, and the at least one pair of first ring parts are distributed in the axial direction of the roller body at intervals so as to form a coating extension area of a pole piece coating area. Wherein the roller body and the first ring part are integrally formed and arranged, the roller body and the first ring part are coaxial, and a non-film-coating extension area of a non-film-coating area of the pole piece is formed on the surface of the first ring part. Therefore, the first ring part can be integrally formed on the roller body to replace teflon in the prior art, so that the thickness difference between a pole piece coating area and a pole piece non-coating area is made up. Due to the integral forming design of the first ring part and the roller body, the concentricity error can be reduced, and the smoothness of the first ring part after long-term use can be improved, so that the non-film-coating area of the pole piece can be prevented from being wrinkled, and the extension consistency of the non-film-coating area of the pole piece is improved.

The invention discloses a multipurpose tray system for automatic loading, acid pickling and cleaning of ceramic shells. The system comprises a tray body and a Teflon anti-corrosion coating arranged on the surface of the tray body, the tray body is made of a rigid grid structure formed by welding 304 stainless steel wires and is provided with an upper grid frame, a middle grid frame and a lower grid frame which are of a three-layer detachable structure, and the layers of grid frames are connected in an up-down clamping mode. Supporting legs are arranged at the top corners of all the grid frames, and stacking grooves are correspondingly formed in bottom frames of all the grid frames, so that stable stacking of multiple trays is achieved. A steel wire mesh bearing structure is arranged in each grid frame, a stainless steel frame is arranged on the periphery of each grid frame, and mechanical arm grabbing grooves and positioning holes are formed in the frames. By means of the structure, transparent cleaning and automatic transfer of the ceramic shell can be achieved in the procedures of automatic loading, acid pickling, cleaning, drying, detecting and the like, the transfer efficiency, the cleaning uniformity and the corrosion resistance are improved, and the device is suitable for continuous production of the new energy relay ceramic shell.

The invention belongs to the technical field of diffusion welding and thin-wall seamless steel pipe bulging, and relates to a gas cylinder for filling high-pressure oxygen and a manufacturing method thereof, the gas cylinder comprises a thin-wall seamless steel pipe liner, a gas cylinder joint, a Teflon lining coating, a high-molecular polymer layer, a carbon fiber reinforced winding layer and an external protection layer, the bottle body is formed through multiple times of water pressure bulging, and cracks and wrinkles caused by spinning are avoided; electroplating a nickel-iron-PTFE composite layer on the inner surface, and spraying and sintering PTFE to form an antioxidant lining; the outer surface is fully wound with a carbon fiber main bearing structure after being subjected to injection molding of a polyethylene layer, and then is coated with a glass fiber and epoxy resin protective layer. A traditional spinning process is abandoned, forming is uniform, defects are avoided, the connector strength is high, the sealing performance is good, the light weight level, the fatigue life and the use safety of the gas cylinder are remarkably improved, and the gas cylinder is suitable for medical, aviation and other high-purity high-pressure oxygen storage scenes.

The utility model discloses a feeding device for putty powder production, which relates to the technical field of putty powder production and comprises a box body, two groups of conveying rollers are rotatably mounted in the box body, a Teflon conveying belt is mounted on the outer sides of the conveying rollers, and two first stepping motors are fixedly mounted on the outer side of the box body. And the output ends of the two first stepping motors extend into the box body and are fixedly connected with one end of the conveying roller. The putty powder crushing device has the beneficial effects that through the arrangement of the conveying roller, the Teflon conveying belt, the first stepping motors, a heating plate, an electric heating wire, a sleeve, a sliding rod, a mounting plate and a rake rod, caked putty powder can be crushed and then conveyed; according to the putty powder drying device, the putty powder is dried in the conveying process, so that the subsequent production quality of the putty powder is guaranteed, the accumulated putty powder can be raked and scattered through the rake rod in the conveying process of the putty powder through the Teflon conveying belt, the putty powder is evenly heated and dried, and the drying effect is effectively improved.

The utility model relates to an adhesive tape with a teflon coating on the surface, which comprises an adhesive tape main body, the adhesive tape main body comprises a connecting part connected with an aluminum material and a sealing part used for abutting against curtain wall glass for sealing, and the teflon coating is sprayed on the outer wall surface of the sealing part; the teflon coating is sprayed on the outer wall surface of the sealing part, and firstly, the teflon coating endows the sealing surface with an ultralow friction coefficient, so that the construction efficiency is greatly improved, and the surface of glass is prevented from being damaged; in addition, the Teflon coating can also play roles of corrosion resistance, adhesion resistance, wear resistance and high temperature resistance, so that the service life of the adhesive tape is greatly prolonged.

The invention belongs to the technical field of electric heaters, and particularly relates to a Teflon heater with water shortage protection, which comprises a connecting seat, the bottom of the connecting seat is fixedly connected with an electric heater, the electric heater is composed of a connecting part and a heating part, and a temperature sensor is arranged at the joint of the connecting part and the heating part in the electric heater. A connecting wire is arranged on the outer surface of the connecting base, and a water shortage protection device is arranged at the end, away from the connecting base, of the connecting wire; water in the container can be heated through the arranged electric heater, the temperature sensor arranged in the electric heater can detect the water temperature, when water is injected and the water temperature changes, it is indicated that the water level reaches the heatable water temperature at the moment, and when water is heated and the temperature detected by the temperature sensor changes suddenly, the electric heater is started to heat the water. Water shortage protection can be carried out on the electric heater through the arranged water shortage protection device, and the service life of the device is prolonged.

The baking device comprises a base plate, a lower cover plate and an upper cover plate, the base plate is provided with a supporting frame, the upper cover plate is fixedly connected to the top of the supporting frame, the lower cover plate is located below the upper cover plate and movably connected with the supporting frame, and the upper cover plate and the lower cover plate are each provided with a heating assembly. The close sides of the upper cover plate and the lower cover plate are provided with arc grooves, the two ends of each arc groove are connected with a wire harness containing groove respectively, the two arc grooves can be vertically in butt joint to form a baking cavity, the lower cover plate is connected with a moving block through a shifting assembly, the moving block is provided with an elastic groove, the elastic groove is used for clamping the front end of a wire harness, and the shifting assembly is used for pulling the moving block to drive the wire harness to move. A positioning plate is arranged on the base plate and vertically arranged on the lower cover plate in a penetrating mode, and the Teflon sleeve is positioned and placed. When the two groups of arc grooves are vertically butted to form the baking cavity, hot air can be discharged from the hot holes in the two groups of arc grooves to uniformly bake the Teflon sleeve, and the shaping effect is good.

The utility model discloses a single layer wrapping wire square wire device, including the positioning base plate, the top fixed mounting of positioning base plate has the machine shell, the one side side wall of machine shell is equipped with the cross type through slot, through the integration four -axis forming flat wire subassembly and modularization guiding design, the precision and efficiency of square flat wire teflon film package pressure technology have been improved significantly, four -axis forming structure realizes to the wire rod multidirectional even pressure through the orthogonal arrangement of press roll group, has solved the problem that the film layer is not even in traditional double -shaft technology because of the complex cross section shape and leads to the problem, ensures that teflon film can be closely attached in the corner and plane area, avoids the generation of bubble or wrinkle, thereby the pressure resistance of insulating layer and long -term reliability are improved greatly, simultaneously, the power module and the adjustment module of setting up in the machine shell work in coordination, can through the adjustment pressure and wire rod conveying speed, adapts the processing demand of different specifications square flat wire, strengthens the process flexibility.

The utility model belongs to the field of coating machines, and particularly relates to a novel scraper device of a coating machine, which comprises a rack, an end face drainage mechanism is arranged at the front part of the rack, a scraper frame mechanism is arranged at the upper part of the front side, side ink scraping mechanisms are arranged at two sides of the upper part, a pressing mechanism is arranged at the upper part of the rear side, and side pushing mechanisms are arranged at two sides. A lifting mechanism is arranged at the bottom, and an ink cavity mechanism is arranged inside. The closed type ink cavity assembly is provided with the lifting mechanism, the center height of the ink cavity and the printing roller can be easily adjusted through the hand wheel, and the adaptability between the ink cavity and the printing roller is ensured. Meanwhile, the left end face and the right end face of the scraper frame are provided with side face scraper blade seats, Teflon scraper blades are installed in the side face scraper blade seats, and sponge pads are arranged in the side face scraper blade seats in an embedded mode and attached to the lower portions of the stainless steel scrapers; therefore, when the plate roller rotates at a high speed, the slurry at the fillet of the plate roller can be effectively prevented from splashing. Due to the fact that the slurry splashing problem is solved, the coating speed can be increased to 200 m / min, and the coating efficiency is greatly improved.

The invention relates to the field of teflon materials, in particular to a double-sided teflon organic silicon leather composite material and a preparation method thereof.The double-sided teflon organic silicon leather composite material comprises a main body, the main body comprises a first teflon layer and a second teflon layer, and the first teflon layer and the second teflon layer are bonded together through a silica gel layer; the thickness of the first teflon layer and the thickness of the second teflon layer are 0.03-0.07 mm, the thickness of the silica gel layer is 0.08-0.12 mm, and the thickness of the main body is 0.18-0.22 mm. The two Teflon layers with the thickness of 0.05 mm are compounded, and the two Teflon layers are bonded together through the silica gel layer, so that the thickness of a main body reaches 0.2 mm, compared with a pure Teflon layer with the thickness of 0.2 mm, the composite material has high light transmittance and flexibility, creases are not prone to being generated when the composite material is bent, and the service life of the composite material is prolonged. The application matching degree of the composite material in high-standard fields such as high-end display components and intelligent equipment ornaments is enhanced.

This utility model relates to the field of experimental equipment and provides a permeation purification device. The device includes a heating plate with a positioning hole (11) for placing a purification vessel. The purification vessel has a cup-shaped wall with multiple layers of filter media at its bottom. A Teflon permeation layer is placed on the top layer of the filter media, and a leak-proof layer is placed below the Teflon permeation layer. A leakage hole is located in the center of the leak-proof layer. The device also includes a pressurizing device that can movably cover the upper opening of the purification vessel. This utility model uses pressurized permeation to remove impurity-containing solvent, ensuring thorough solvent removal. During operation, operators have minimal contact with the purification vessel, keeping them away from chemical solvents and effectively protecting their health.

This invention provides an automated welding equipment for breathable membranes, relating to the field of welding equipment technology, to solve the technical problems of low efficiency, poor consistency, and lack of dedicated sealing detection in the welding of Teflon breathable membranes for automotive anti-theft covers, which relies on manual operation. The automated welding equipment for breathable membranes includes, from front to back, a feeding assembly, a welding assembly, a sealing detection assembly, and a discharging assembly, as well as a transfer assembly and a heating plate. The sealing detection assembly is electrically connected to a water pipe via a pressure head, utilizing water leakage to create a passage for sealing detection. The transfer assembly enables automatic transfer of products between workstations. The equipment also includes an image detection assembly, a first air blowing component, and a second air blowing component, used to dry residual water in the through-holes and moisture at the bottom of the product, respectively, and automatically sorting qualified and unqualified products. This achieves automated product feeding, transfer, welding, sealing detection, image detection, and discharging and sorting, significantly improving production efficiency and product sealing reliability.

1. Name of the product in this design: Fast charging cable (Teflon silver-plated YYN100-140W). 2. Purpose of this design: To charge electronic devices. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key features: the front view.

The utility model discloses a Teflon pipe convenient to connect, and relates to the technical field of Teflon pipes, the Teflon pipe convenient to connect comprises a Teflon pipe body, a pressure-resistant auxiliary mechanism is arranged on the outer ring face of the Teflon pipe body, the inner ring face of a reinforcing ring is fixedly connected with a sleeve, the two sides of a first buffer part are fixedly connected with a supporting pipe and the reinforcing pipe respectively, and the inner ring face of the reinforcing ring is fixedly connected with the sleeve. When the pressure of fluid in the pipe is too high, the first buffering piece and the second buffering piece are compressed between the supporting pipe and the reinforcing pipe, buffering on one side of the supporting pipe is achieved, the reinforcing pipe wraps the Teflon pipe body, damage to the Teflon pipe body after impact can be reduced, and therefore normal use of the whole pipe body can be guaranteed; the Teflon pipe body and an external component are conveniently connected through the connector and the extension pipe, the interior of the extension pipe can be doubly sealed through the first sealing ring and the second sealing ring, the sealing performance of the connecting position of the extension pipe is improved, and leakage during liquid flowing is reduced.

The invention relates to a corrosion-resistant flexible cable and a preparation process thereof, and belongs to the technical field of cables. The cable comprises a conductive unit, a cable core, a high-strength synthetic fiber braided sheath and a flexible corrosion-resistant coating from inside to outside, wherein the conductive unit is composed of a tinned copper conductor and a Teflon insulating layer, the cable core is formed by twisting a G.657A2 optical fiber unit and a tensile filler together, the high-strength synthetic fiber braided sheath wraps the cable core, and the surface of the sheath is coated with the flexible corrosion-resistant coating. The formula of the flexible corrosion-resistant coating comprises the following components in parts by weight: 80-100 parts of polyurethane, 5-10 parts of modified polytetrafluoroethylene micro powder, 3-8 parts of composite mica powder, 1-2 parts of an antioxidant and 1-2 parts of a dispersing agent. The cable is high in structural collaboration, the surface coating has excellent flexibility and corrosion resistance, and the cable has long-acting protection performance.

The invention discloses a catalyst filter cloth bag which is characterized in that a plurality of catalyst filter cloth bags are arranged in a waste gas treatment device, each catalyst filter cloth bag is formed by mutually attaching a ceramic fiber cotton blanket layer and a Teflon layer, and the ceramic fiber cotton blanket layer is prepared by low-density pores (the density is 0.096 g / cm < 3 >-0.128 g / cm < 3 >). The ceramic fiber cotton blanket layer has the advantages of being light in weight, resistant to high temperature and the like, so that the ceramic fiber cotton blanket layer is not prone to being damaged by high-temperature waste gas, and the service life of the ceramic fiber cotton blanket layer is prolonged. In addition, the ceramic fiber cotton blanket layer is matched with the Teflon layer to block rough and sharp particles, sparks and other substances, the use strength can be effectively improved, the service life can be greatly prolonged, the ceramic fiber cotton blanket layer and the Teflon layer can be independently replaced, recycling is achieved, and the needed cost is reduced.

The utility model discloses a liquid crystal screen auxiliary material rapid reloading mechanism, and aims to solve the problem that the traditional Teflon disc replacement process is tedious and time-consuming. The mechanism comprises an assembly ring, a first magnet, a dismounting cap and a second magnet. The assembly ring is arranged in the center of the outer side surface of the Teflon disc and is provided with a groove; the first magnet is fixed to the Teflon disc and located in the center of the assembly ring. The dismounting cap is cylindrical, one side of the dismounting cap is an assembling face, a protruding block matched with the groove is circularly arranged on the assembling face in a surrounding mode, and a second magnet is assembled on the assembling face. The first magnet and the second magnet are opposite in outer side magnetic pole to realize rapid positioning. And the dismounting cap is provided with anti-skid grains, so that the operation is convenient. The grooves and the protruding blocks are evenly arranged in a surrounding mode at equal intervals, and stable connection is guaranteed. An annular groove and an observation hole are further formed in the Teflon disc, so that the winding and remaining conditions of Teflon can be observed conveniently. According to the utility model, through the cooperation of magnetic attraction force and the convex block-groove, the rapid replacement of the Teflon disc is realized, the production efficiency is improved, and the operation difficulty is reduced.

The utility model relates to the technical field of electric heating products, in particular to an electric heating back cushion neck pillow which comprises a neck pillow assembly, a back cushion assembly and a heating assembly. The first stranded wire type Teflon heating piece is fixedly installed in the back cushion assembly, the second stranded wire type Teflon heating piece is fixedly installed in the neck pillow assembly, and the NTC sensor and the TCO thermal protector are electrically connected to the first stranded wire type Teflon heating piece and the second stranded wire type Teflon heating piece. According to the utility model, the first stranded wire type Teflon heating sheet and the second stranded wire type Teflon heating sheet are respectively of a topological structure, and the snake-shaped wiring layout improves the heating uniformity and ensures the bending resistance of the heating sheets compared with the traditional linear arrangement; and meanwhile, the safety of the device in use can be improved by matching with a dual protection mechanism of NTC accurate temperature control and TCO overheating protection.