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186 results about "Teflon af" patented technology

Photomask protective film dismounting device

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.
Owner:NINGBO GUANSHI SEMICONDUCTOR CO LTD

Transducer assembly for ultrasonic flowmeter

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.
Owner:ZHEJIANG SAPPHIRE METER TECH

Oil-filled sleeve monitoring sensor

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.
Owner:国网江西省电力有限公司九江供电分公司 +1

Nickel-zinc four-phase inductor structure

The utility model relates to the technical field of inductors, in particular to a nickel-zinc four-phase inductor structure, which comprises an epoxy bottom plate, a nickel-zinc magnetic ring and four coil assemblies, the nickel-zinc magnetic ring and the four coil assemblies are arranged on the epoxy bottom plate, and the four coil assemblies are annularly arranged on the nickel-zinc magnetic ring at equal intervals. Each coil assembly comprises a coil body and two Teflon sleeves which are respectively sleeved at two ends of the coil body, the coil body is wound on the nickel-zinc magnetic ring, and two ends of the coil body are respectively arranged on the epoxy bottom plate in a penetrating manner. The four-way inductor is novel in structure, four-way output can be achieved at the same time, the size of the assembled inductor structure is small, and occupied space is reduced; under the action of the Teflon sleeve, the insulating property is improved; the magnetic ring made of the nickel-zinc material is beneficial to reducing energy loss under high frequency, so that the inductor generates less heat during working, and the overall efficiency is improved; the epoxy bottom plate can also assist in heat conduction and help the nickel-zinc magnetic ring to dissipate heat generated during working.
Owner:DONGGUAN DAZHONG ELECTRONICS

Antistatic teflon sleeve and preparation method thereof

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.
Owner:DONGGUAN LINGFEI HARDWARE & PLASTIC PROD CO LTD

Probe for flexible circuit board test fixture

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.
Owner:DONGGUAN SHANGSONG IND CO LTD

Liquid-cooled power resistor

The utility model relates to a liquid cooling power resistor, which comprises a shell, a tubular power resistor, a flange plate, a flange sealing cover, a connecting sheet and cooling liquid, the tubular power resistor is arranged in the shell, two ends of the tubular power resistor are led out and fixed on the flange plate, the flange plate is connected on the flange sealing cover, and the flange sealing cover is connected with the shell. The connecting piece is installed on the flange sealing cover and connected with the power resistor, and the shell is filled with the cooling liquid. Compared with the prior art, the tubular power resistor is arranged in the shell filled with the cooling liquid and is sealed through the flange plate and the sealing flange cover, so that the sealing performance is good, and the size is small; the U-shaped tubular power resistors which are arranged in a crossed manner are adopted, and a liquid outlet pipeline and a liquid outlet in the sealing flange cover are integrally designed, so that the space of an inner cavity is effectively utilized, the heat exchange efficiency is high, and the structure is compact; the shell is of a Teflon or aluminum casting integrated structure, and has the advantages of high and low temperature environment resistance, cooling medium resistance, excellent pressure bearing performance and the like.
Owner:SHANGHAI KRAH ELECTRONICS CO LTD

Fabrication system and method of ultra-thick 5g antenna module

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.
Owner:JIANGXI WELGAO ELECTRONICS CO LTD

Physical foaming extrusion process for Teflon

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.
Owner:DONGGUAN TENGSHUN ELECTRICAL EQUIP CO LTD

Protective structure for outer surface of jig and spraying jig

The utility model relates to a jig outer surface protection structure and a spraying jig, the jig outer surface protection structure comprises a jig body, and the roughness of the outer surface of the jig body is Ra3.2; the outer surface of the jig body is coated with a protective layer made of Teflon. The adhesive force between the protective layer and the jig body is larger than the adhesive force between the paint layer sprayed on the protective layer and the protective layer, and the protective layer made of Teflon is coated on the surface of the jig, so that the whole outer surface of the jig is protected, and paint cannot be attached to the surface of the jig in the spraying process of the jig.
Owner:DONG GUAN JINLONG MASCH EQUIP CO LTD

Adjustable FPC board teflon tube efficient assembly integrated equipment

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.
Owner:CSCE INTELLIGENT EQUIP (SUZHOU) CO LTD

A transfer tool based on PCM prepreg layer heating and demoulding

The present invention provides a transfer tool based on heating and demoulding of PCM prepreg layers, and relates to the field of heating and demoulding of PCM prepreg layers. The transfer tool based on heating and demoulding of PCM prepreg layers comprises a plate body, the upper surface of which is provided with a product groove, the left side of the inner wall of the product groove is provided with a first cavity, the right side of the inner wall of the product groove is provided with a second cavity, and the right side of the inner wall of the first cavity is rotatably connected with a first worm. The heat resistance and non-stickiness of the Teflon coating are used to change the viscosity of the surface of the prepreg, so that the prepreg and the transfer tool can be easily separated. If a small amount of adhesive is adhered to the surface of the transfer tool, it can be removed by simply wiping, reducing the peeling time. The device ejects the products uniformly, avoiding the problem that some products are easily damaged at the corners of the products when they are taken out, affecting the appearance quality of the equipment, and even affecting the normal use function of the products.
Owner:JINGMEN KANGBEN NEW ENERGY TECHNOLOGY CO LTD

A winding coil manufacturing process and structure with good insulation effect and high precision

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.
Owner:深圳市意帆达电子有限公司

Tension roller and rolling equipment

The utility model relates to the technical field of battery manufacturing, and provides a tension roller and rolling equipment, and the tension roller comprises a roller main body and an extension assembly. At least part of the roller main body is used for being arranged corresponding to a coating area of the battery pole piece; the extension assembly is used for being arranged corresponding to a blank area of the battery pole piece, and the extension assembly is adjustably fixed to the roller body in the axial direction of the roller body so as to be matched with the blank area of the battery pole piece. According to the tension roller and the rolling equipment provided by the embodiment of the invention, by adjusting the position of the extension assembly relative to the roller main body, the tension roller and the rolling equipment can adapt to blank areas of battery pole pieces of different models, teflon does not need to be used, the production time occupied by replacement of the teflon every time is avoided, and the production efficiency can be greatly improved. And the tension roller can be suitable for battery pole pieces of different models, so that the tension roller does not need to be replaced every time, various tension rollers do not need to be prepared to adapt to different blank areas, and the production cost can be reduced.
Owner:CONTEMPORARY AMPEREX TECHNOLOGY CO LTD

Teflon pipe cleaning device

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.
Owner:ZHONGXING INTELLIGENT MANUFACTURING (GUANGDONG) TECHNOLOGY CO LTD

Teflon mounting bracket

The present invention provides a Teflon mounting frame, which includes: an outer frame, a linear guide rail is arranged on the inner side of the outer frame; a feeding motor and a receiving motor are arranged on one side of the outer frame, a feeding driving gear is arranged on the transmission shaft of the feeding motor, and a receiving driving gear is arranged on the transmission shaft of the receiving motor; a connecting frame, which is slidably connected with the outer frame through a linear guide rail, and a positioning groove is arranged in the middle of the connecting frame; an inner frame, a positioning wheel is arranged on the outer side of the inner frame, and the inner frame is connected to the positioning groove through the positioning wheel; a guide shaft is connected to both sides of the inner frame through a bearing; both ends of the feeding shaft are connected to the inner frame through bearings, and one end of the feeding shaft is provided with a feeding passive gear, and the feeding passive gear can be meshed with the feeding active gear; both ends of the receiving shaft are connected to the inner frame through bearings, and one end of the receiving shaft is provided with a receiving passive gear, and the receiving passive gear can be meshed with the receiving active gear. The mounting frame of the present invention can quickly disassemble and install Teflon coils, and the replacement speed of Teflon coils is fast.
Owner:HEFEI SUNCO FINETECH CO

A product of teflon insulation material and its preparation method

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.
Owner:HUBEI YUCHEN NEW MATERIAL CO LTD

Loading hanger for special polishing and washing process and service life prolonging method of loading hanger

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.
Owner:RI SHAN COMPUTER ACCESSORY (JIASHAN) CO LTD

Non-damaging cleaning apparatus for bridging aluminum-palladium non-steel ribbon

PendingCN122078811Aquality improvementProtect physical propertiesConveyorsDrying gas arrangementsPolyesterTeflon af
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.
Owner:DONGGUAN DARUI NEW ENERGY TECH CO LTD

Automatic cleaning machine for Teflon dragon boat

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.
Owner:SHANGHAI MICRO SEMI WORLD

A vehicle-mounted motor NTC temperature sensor

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.
Owner:CHANGZHOU HUICHANG SENSOR

Charging wire harness and production process

The invention relates to a charging wire harness and a production process, and relates to the technical field of cable wire harnesses, the charging wire harness comprises an insulating layer, a conductor located in the insulating layer, a filling member and a cooling pipe, a cooling medium is stored in the cooling pipe or is introduced into the cooling pipe in real time, and the filling member is made of PE, PP or Teflon. According to the cable harness, the cooling medium is stored in the cooling pipe or introduced into the cooling pipe in real time, and the filling piece is made of a PE, PP or Teflon filling material with a good heat dissipation effect, so that the current passing through the harness can be increased, and the safety risk during operation of the cable harness is reduced.
Owner:HUIZHOU DESHENG WIRE CO LTD

Winding equipment for processing teflon silver-plated wire

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.
Owner:SHENZHEN HONGJUYUAN ELECTRONIC TECHNOLOGY CO LTD

A vertical grinding machine for processing polytetrafluoroethylene for Teflon tubes

The present application relates to a vertical mill for processing polytetrafluoroethylene for Teflon tubes, which includes a machine body, a plum blossom frame, a scraper assembly and a material tray, wherein the plum blossom frame is circumferentially connected with a plurality of grinding roller devices, wherein the grinding roller device includes a rotatable first grinding roller and a second grinding roller, wherein the first grinding roller and the second grinding roller are close to each other, wherein a first grinding ring and a second grinding ring are arranged in the machine body, wherein the first grinding ring is arranged in the inner wall of the machine body and is in contact with the side wall of the first grinding roller, and the second grinding ring is arranged on the plum blossom frame and is in contact with the side wall of the second grinding roller. The present application has the effect of increasing the contact surface of the grinding powder and thus improving the grinding efficiency.
Owner:HUBEI WENTAI NEW MATERIAL CO LTD

Teflon wire with silica gel jacket

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.
Owner:SHENZHEN HONGJUYUAN ELECTRONIC TECHNOLOGY CO LTD

Teflon high-temperature film heating sheet

The utility model provides a Teflon high temperature film heating sheet, which comprises a heating sheet body, a metal expansion type temperature controller and a thermistor, and is characterized in that the heating sheet body comprises a heat conduction metal layer, a heating wire layer arranged on the top surface of the heat conduction metal layer, and a Teflon film layer covering the top of the heating wire layer; two pins of the thermistor are electrically connected with a first wire and a second wire respectively, the heating wire layer comprises a first heating wire end and a second heating wire end, the metal expansion type temperature controller comprises a first outgoing line and a second outgoing line, one end of the first outgoing line is welded to the second heating wire end, and a third wire is welded to the first heating wire end. The thermistor can monitor the temperature of the position where the thermistor is located in real time and feed back the temperature to the controller, the heating device controls the working state of the heating wire according to the temperature condition, it is ensured that the heating temperature is accurate, energy consumption is reduced, device burning loss is prevented, use safety is improved, and the heating device has dual protection effects and is higher in reliability.
Owner:DONGGUAN DARECHI TECH CO LTD

Cutting jig and cutting method thereof

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.
Owner:东莞市爱康智能技术股份有限公司

Relay

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.
Owner:XIAMEN HONGFA ELECTRIC POWER CONTROLS CO LTD

A method for manufacturing a four-layer Teflon high-frequency mixed-pressure circuit board

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.
Owner:DIGITAL PRINTED CIRCUIT BOARD CO LTD

Thermoforming plastic pipe machine

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.
Owner:SHIN YUEH APPLIED MATERIALS CO LTD