137 results about "Teflon af" patented technology

The utility model relates to a photomask protective film dismounting device which comprises an object placing table, and a limiting piece, a dismounting assembly and a first temperature sensor are fixed on the object placing table; the upper surface of the storage table is coated with a teflon coating; and a cooling device is arranged in the object placing table and is used for maintaining the temperature of the upper surface of the object placing table at 5-10 DEG C, so that the adhesive between the photomask and the photomask protective film is hardened for subsequent analysis of the photomask protective film. The photomask protective film dismounting device designed by the utility model can be used for solving the problems that an adhesive is easy to splash and pollute the surface of a photomask when a heating method is used for dismounting, fogging spots are possibly caused during cleaning, and the cleanliness and the precision of the photomask are influenced; and damage is easily caused by direct tool dismounting, so that the cost is increased, and the service life of the photomask is shortened.

The utility model discloses a transducer assembly for an ultrasonic flowmeter. The transducer assembly comprises a pressing plate, an elastic sealing piece and a stainless steel transducer, wherein the pressing plate is provided with a mounting hole; the pressing plate is made of a Teflon material, a first through hole is formed in the middle of the pressing plate, and a step-shaped first annular concave part surrounding the first through hole is arranged on the upper side of the pressing plate; the elastic sealing piece comprises a base part and an annular protruding part located on the upper side of the base part, and a containing groove is formed by the annular protruding part. The diameter of the base part is larger than that of the annular lug boss; a second through hole is formed in the middle of the base part; the base part is arranged in the first annular concave part, the lower section of the stainless steel transducer is arranged in the containing groove, the annular convex part wraps the peripheral wall of the lower section of the stainless steel transducer, and a cable of the stainless steel transducer penetrates through the first through hole and the second through hole to extend outwards; the structure of the pressing plate and the elastic sealing piece can absorb vibration and impact while providing installation support, the anti-impact and damping effects are achieved, and signals are made to be more stable.

The invention provides an oil-filled sleeve monitoring sensor. The oil-filled sleeve monitoring sensor comprises an aluminum alloy shell, a Teflon hollowed-out shell and a stainless steel shell arranged between the aluminum alloy shell and the Teflon hollowed-out shell. A pressure sensor, a hydrogen sensor, a UHF (Ultra High Frequency) sensor and a PCB (Printed Circuit Board) are arranged in the Teflon hollow shell; and the PCB is respectively connected with the pressure sensor, the hydrogen sensor and the UHF sensor. The sensors mounted on the circuit board are integrated together in a welding manner, so that the use space of the sensors is reduced, the sensors are more miniaturized and integrated, the future maintenance is greatly facilitated, and meanwhile, the shell for protecting the circuit board for mounting the sensors adopts a Teflon hollow structure, so that the sensor is corrosion-resistant, high-temperature-resistant and high-temperature-resistant, and the service life of the sensor is prolonged. And electromagnetic shielding of a metal material to the electromagnetic wave sensor can be avoided.

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 utility model relates to the technical field of circuit board testing, in particular to a probe for a flexible circuit board testing jig, which comprises a framework main body, a testing probe assembly is arranged inside the framework main body and comprises a shell, the shell is movably connected inside the framework main body, a fixing column is movably connected inside the shell, and the framework main body is provided with a fixing hole. A push rod is fixedly connected to the interior of the fixing column, a piston is fixedly connected to the interior of the fixing column, the other section, away from the fixing column, of the push rod is sleeved with a copper ring, and barbs are arranged on the side surface of the shell. When the probe for the flexible circuit board test fixture is used, the piston presses the circuit board through the test probe assembly, the conical head of the piston is the Teflon bottom, the Teflon bottom has the characteristics of high temperature resistance, non-conduction, insulation protection and no damage to the circuit board, and the probe is accurate in downward pressing force, uniform in stress, free of rotation and deviation and long in service life, and is suitable for popularization and application. And repeated use can be realized.

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 invention relates to the technical field of cable manufacturing, in particular to a teflon physical foaming extrusion process. The process comprises the steps of wire rod pretreatment, wire rod extrusion molding, wire rod post-treatment and quality detection, wire rod rolling and the like. Wherein in the wire pretreatment, the diameter of a wire is tested by an outer diameter measuring instrument and preheating is performed; in the wire extrusion molding process, an extruder comprising a machine head trolley, a main machine, an auxiliary machine and a nitrogen injection device is used, it is ensured that a plastic material is kept at a proper temperature during melting and extrusion, and nitrogen is injected to prevent oxidation; the post-processing and quality detection of the wire rod comprises core shift detection, multi-stage cooling and comprehensive quality detection; and finally, winding of the wire is completed through the guide device and the take-up device. The cable production efficiency is improved, and the technical effects of product consistency and reliability are ensured.

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 present invention belongs to the technical field of temperature sensors, and specifically relates to an on-vehicle motor NTC temperature sensor, comprising a protective housing, an internally disposed thermistor and a connecting copper base, a removable connecting assembly to the protective housing, an elastic sealing ring fixedly connected to the side of the protective housing proximal to the connecting assembly, and a Teflon wire fixedly connected to the side of the connecting assembly distal to the protective housing, and an auxiliary connecting mechanism and a reinforced sealing mechanism provided within the protective housing. This on-vehicle motor NTC temperature sensor utilizes an auxiliary connecting mechanism, wherein a push block is moved, causing the push block to move a connecting rod, and a connector is inserted into a connecting copper tube. After the push block is released, a torsion spring acts to reset the telescopic rod, thereby resetting the insert block, which in turn causes the connecting rod to reset the push block, allowing the insert block to be inserted into a slot, thereby securing the connecting cover and facilitating installation and removal of the device.

The utility model discloses a Teflon silver-plated wire processing winding device which comprises a platen, the left side of the top of the platen is fixedly connected with a first vertical plate, the right side of the top of the platen is fixedly connected with a second vertical plate, and the top of the first vertical plate and the top of the second vertical plate are both connected with a movable shaft in a penetrating mode. Mounting shells are fixedly connected to the opposite ends of the movable shafts, mounting blocks are movably connected to inner cavities of the mounting shells, and plug pins are connected to the tops of the mounting shells in a penetrating mode. Through the air cylinder, the adjusting plate and the threading ring, one end of a teflon silver-plated wire penetrates through the threading ring and is finally fixed to the winding roller, the driving mechanism drives the winding roller to rotate, winding work of the teflon silver-plated wire is started, in the winding process, the air cylinder is opened, the telescopic shaft of the air cylinder drives the adjusting plate to move up and down, and the teflon silver-plated wire is wound. The adjusting plate drives the threading ring to move up and down so that the teflon silver-plated wire can be tensioned, and the winding tightness can be adjusted.

The utility model provides a Teflon wire with a silica gel jacket, which comprises a main body mechanism, the main body mechanism comprises an inner protective ring, a protective assembly arranged in the inner protective ring and a double-layer armor layer arranged on the outer wall of the inner protective ring, the protective assembly comprises water-blocking glue arranged in the inner protective ring, and the double-layer armor layer is arranged on the outer wall of the inner protective ring. The inorganic insulating layer is arranged on the inner wall of the water-blocking glue; the glass fiber layer is arranged on the inner wall of the inorganic insulating layer; the fixing mechanism comprises bonding cloth and bonding pieces arranged on the two sides of the bonding cloth; when the Teflon wire is used, the double armor layers on the outer wall of the inner protective ring increase the strength of the Teflon wire and prevent the Teflon wire from being broken during bending, and the water blocking glue in the inner protective ring prevents water in the external environment from entering the Teflon wire to cause electric leakage and other dangers to the Teflon wire. And the inorganic insulating layer and the glass fiber layer in the water-blocking glue improve the insulativity, the heat resistance, the corrosion resistance and the mechanical strength of the Teflon wire.

The invention relates to the technical field of discharging jigs, and discloses a cutting jig and a cutting method thereof.The cutting jig comprises a jig machine table, a discharging jig arranged on the jig machine table and a jig cover plate corresponding to the discharging jig, a positioning block is arranged on the discharging jig, a cutting hole corresponding to the positioning block is formed in the jig cover plate, and the positioning block is arranged on the jig cover plate. The inner wall of the cutting hole is obliquely arranged, and the inner wall of the cutting hole is coated with a bright grey ceramic layer and a Teflon layer; the cutting hole is formed in the jig cover plate so that an external cutting platform can better recognize the cutting range according to the cutting hole, meanwhile, the inner wall of the cutting hole is obliquely arranged, and the inner wall of the cutting hole is coated with the bright grey ceramic layer and the Teflon layer, so that interference in photographing of a visual camera is reduced, judgment of welding spots after photographing of the visual camera is improved, and the welding quality is improved. The recognition precision of the visual camera is improved.

The invention relates to a relay which comprises a coil assembly, a movable contact assembly and a guide assembly, the movable contact assembly is movably arranged on the coil assembly in a penetrating mode and can be driven by the coil assembly to move in the axial direction, and the guide assembly is arranged in a mounting hole and located on the coil assembly and the movable contact assembly in the radial direction defined by the central axis. A contact point and / or a contact line used for being in contact with the movable contact assembly are / is formed on the guide assembly, so that the contact between the guide assembly and the movable contact assembly is linear contact and / or point contact, coating of a Teflon material on the guide assembly is omitted, friction force between the guide assembly and the movable contact assembly is reduced, and the service life of the movable contact assembly is prolonged. The problems of motion jamming of the movable contact assembly and large contact resistance of the contact are solved, and the production and manufacturing cost of the relay can be reduced.

The present invention provides a method for manufacturing a four-layer Teflon high-frequency mixed-pressure circuit board, comprising the following steps: feeding material → manufacturing L1-L2 inner layers of a PTFE sheet → manufacturing L3-L4 inner layers of an FR4 sheet → laminating → primary drilling → high-pressure washing → primary electroplating → primary dry film → primary etching → browning → solder mask → visible ink printing → silver electroplating → ink removal → secondary dry film → secondary etching → molding → V-CUT → testing → AVI → packaging; before the step of manufacturing the L3-L4 inner layers of the FR4 sheet, the FR4 sheet is baked to release stress; after manufacturing internal circuits of the FR4 sheet, a plurality of slots are milled in a non-circuit coverage area to release stress, and a plurality of first positioning holes are opened; the expansion and contraction ratio of the FR4 sheet is recorded by equipment testing for use in the laminating step; the manufacturing steps are improved, the probability of layer deviation and board warping is reduced, and the quality of the mixed-pressure circuit board is improved.

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 utility model provides a Teflon membrane assembly for a printer, and relates to the technical field of printing equipment, the Teflon membrane assembly comprises a main body, the inner wall of the main body is provided with a connecting mechanism, the inner wall of the connecting mechanism is provided with a mechanism convenient to disassemble and assemble, the inner part of the mechanism convenient to disassemble and assemble is provided with an outer frame, and the upper end of the outer frame is provided with a fixing block. According to the teflon membrane assembly, the connecting mechanism is installed, then the fixing bolts are manually screwed out of the first threaded groove and the second threaded groove, and therefore the fixing plate and the connecting frame can be detached, the teflon membrane assembly can be rapidly detached, maintenance and manual screwing and rotating are convenient, and operation is convenient. And at the moment, the connecting bearing and the fixed pressing plate can move rightwards along the guide groove through the guide block, the pressed teflon film is taken down, a new teflon film is put in and then fixed, and therefore the damaged teflon film can be taken out and replaced, and practicability is good.

The application provides a kind of angle self-adapting regulation probe in the technical field of battery testing equipment, comprising: current probe, upper portion is provided with threaded section;Lower spring, is sleeved on current probe;Spherical slide, is sleeved on current probe, is located above lower spring;Plane slide, is sleeved on current probe, is located above spherical slide;Plastic seat, is sleeved on current probe, is located above plane slide;Teflon tape, is located at the bottom of plastic seat;Upper spring, is sleeved on current probe, is located above plastic seat;Lower hexagon nut, is locked in current probe by threaded section, is located above upper spring;Welding copper sheet, is sleeved on current probe, is located above lower hexagon nut;Upper hexagon nut, is locked in current probe by threaded section, is located above welding copper sheet.The application has the advantages that: the contact area of probe and pole is increased, thereby guaranteeing the charge and discharge test performance and safety, and reducing energy loss.

The invention discloses an anti-static inner-flat outer-wave Teflon hose, and belongs to the technical field of high-performance fluid conveying. The smooth lining layer is made of melt-processable fluorine-containing polymer blends in a specific proportion, so that the anti-static effect of a body is achieved; the smooth lining layer is made of melt-processable fluorine-containing polymer blends in the radial direction from inside to outside; the continuous conductive grounding grid is coated outside the lining layer; and an outer corrugated reinforcement layer formed by sintering PTFE powder by vacuum adsorption. The core of the invention is that the outer surface of the lining layer is provided with anchoring micro-grains, and the PTFE material of the outer corrugated layer is embedded into the micro-grains and coats the conductive grid during sintering, so that a firm mechanical interlocking composite structure is formed. The key of the preparation method comprises the following steps: co-extruding the sizing lining pipe, weaving the conductive net, and performing vacuum rotary corrugated forming and sintering. The hose has the advantages of ultrahigh smoothness of the inner wall, excellent flexibility, lasting and reliable static conductivity and strong interlayer binding force.

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 utility model relates to the technical field of electric push rods, in particular to a waterproof and dustproof electric push rod which comprises an electric push rod body, an outer sleeve is installed on the upper side of the electric push rod body, a sealing piece is fixedly connected to the upper side of the outer sleeve through a screw, the sealing piece is used for protecting the outer sleeve, and the sealing piece comprises a plastic framework and wear-resistant rubber. The electric push rod is sealed through the sealing piece, the Teflon gasket and the O-shaped rubber ring, the waterproof and dustproof effects of the electric push rod can be further improved, then the wire outlet hole of the electric push rod is connected through the waterproof connector, so that water and dust are prevented from entering the electric push rod, and the service life of the electric push rod is prolonged. The whole electric push rod is more comprehensively sealed, the protection grade of the electric push rod is enhanced, the service life of the electric push rod is prolonged, the rubber sleeve can be extruded together through the containing plate and the clamping block, the rubber sleeve is more tightly attached and sealed, and the sealing performance of the electric push rod is improved.

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 invention belongs to the technical field of electric wire sleeves, and discloses a Teflon wire harness sleeve which is used for being arranged outside an assembled and formed electric wire harness to form a package and comprises a Teflon sleeve layer and a telescopic net layer which are used as sheet bodies, the Teflon sleeve layer and the telescopic net layer are both curled to form a sleeve structure, the telescopic net layer is located in the Teflon sleeve layer, and the Teflon sleeve layer and the telescopic net layer are arranged in the Teflon sleeve layer. The curled and folded edges of the Teflon sleeve layer and the telescopic net layer are fixed on a group of connecting strips extending along the length direction of the sleeve structure to form sleeves which are nested inside and outside, and a plurality of snap fasteners which are buckled with each other to enable the two connecting strips to be attached and fixed are arranged on the connecting strips at equal intervals. The structure is stable, and secondary replacement and installation are convenient.