31results about How to "Prevent melting deformation" patented technology

The invention provides a power safety protection socket based on a magnetic buckle, and relates to the technical field of power safety sockets. The power safety protection socket comprises a socket, and jacks are formed in the socket; electric shock pieces are fixedly installed in the jacks, and flow deflectors are fixedly installed at the inner sides of the electric shock pieces; conductive pinsare fixedly installed at the left side of the electric shock pieces in the jacks, and a plug is inserted into the jacks; a telescopic rod is slidably connected to the center of the socket, and a sliding block is fixedly installed on the periphery of the telescopic rod. According to the socket, when short circuit and arcing phenomena occur in the socket, the plug can be automatically popped up, sothat power failure of an electric appliance is completed, grounding processing is carried out on current, damage to a circuit and the electric appliance caused by the short circuit and arcing phenomena is avoided, heating deformation of the socket and the plug is avoided, and the safety coefficient of the socket is improved.

The invention discloses a TPU light conveyor belt and a preparation method thereof. The TPU light conveyor belt comprises conveying base cloth. A TPU hot melt adhesive film covers the conveying base cloth; a surface layer covers the TPU hot melt adhesive film, and the conveying base cloth, the TPU hot melt adhesive film and the surface layer are compounded together by way of high-temperature hot press. The TPU light conveyor belt disclosed by the invention has the beneficial effects that the TPU light conveyor belt uses a clean and pollution-free adhesive, so that purposes of simple process and pollution-free production process are achieved.

The invention relates to a process for manufacturing a cooling water pipe of an automobile interior trim part steel casting mould. The process is characterized by comprising the following technological steps of: firstly bending a seamless steel tube into a shape consist with the moulded surface of the mould to form a cooling water pipe; bonding a foam plate in certain thickness outside the cooling water pipe; placing the cooling water pipe provided with the foam plate into a sand mould cast by the automobile interior trim part steel casting mould; and finally casting, wherein a cast steel casting material forms a mould main body while the mould main body substitutes the foam plate to cover and fix the cooling water pipe. The processing technique has the advantages that the cooling water pipe prepared by the seamless steel pipe and the mould main body are molten into a whole in the invention, thus the heat conduction loss is almost zero and good cooling of the mould is realized. Meanwhile, casting and moulding are carried out in one step, procedures are less, the manufacturing cost is low, the quality of a casting is stable, and no casting deformation caused by secondary casting exists.

The invention relates to an easy-to-uncover aluminum-plastic cover film for a cosmetic cover ring. The aluminum-plastic cover film comprises an outer layer, an aluminum foil layer and a heat sealing layer, wherein the outer layer and the heat sealing layer are arranged on the upper side surface and the lower side surface of the aluminum foil layer respectively, the outer layer and the aluminum foil layer are connected through an adhesive, the aluminum foil layer and the heat sealing layer are connected through the adhesive, the outer layer is a PET (polyethylene terephthalate) thin film layerof 6-30 mu m, the aluminum foil layer is O-state aluminum foil of 6-50 mu m, the heat sealing layer is a PE (polyethylene) thin film layer of 30-50 mu m, and the PE thin film layer is prepared from 50wt%-90wt% of ethylene-propylene copolymer elastomers and 10wt%-50wt% of PE. The invention further relates to a production technology and an application of the easy-to-uncover aluminum-plastic cover film for the cosmetic cover ring. The easy-to-uncover aluminum-plastic cover film for the cosmetic cover ring is lower in heat sealing temperature, high in heat sealing strength and good in heat sealinguniformity when subjected to heat sealing with the PP (polypropylene) or PE cover ring, and the cosmetic cover ring is not easily opened under certain air pressure impact when the cosmetic cover ringand the easy-to-uncover aluminum-plastic cover film are composited and then sealed with other packaging bodies.

The invention discloses an automatic discharge device of a lithium battery. The automatic discharge device comprises a discharge barrel which is obliquely arranged, wherein one end of the discharge barrel is sealed and is connected with a driving shaft; the other end of the discharge barrel is opened and is connected with a feeding/discharging barrel; the driving shaft is connected with a bearingchamber A with a bearing; the driving shaft penetrates through the bearing chamber A and then is connected with a driving device capable of rotating frontward and backward; the lower side of the bearing chamber A is connected with a short bracket; the feeding/discharging barrel is connected with a bearing chamber B with a bearing; the lower side of the bearing chamber B is connected with a long bracket; a feeding machine and a sieving machine are arranged at one side of the long bracket; the discharge device can be used for mixing the lithium battery and a discharge medium and a mixture is putinto the discharge barrel and is sufficiently stirred and mixed in the discharge barrel; the discharge efficiency is increased and the discharge efficiency is improved by 4 to 10 times.

The invention discloses an over-temperature protection device of an alternating-current socket. The over-temperature protection device comprises a power plug, a sampling circuit and a controller; at least one thermistor used for detecting temperature of a conducting metal piece in the power plug is arranged inside the power plug; the sampling circuit is used for sampling resistance of the thermistor so as to generate sampling signals; the controller is connected with the sampling circuit and controls a power supply of an alternating-current power circuit connected in the electrical equipment to be disconnected. The over-temperature protection device can have a main electric circuit of the electric equipment disconnected when the power plug or socket is over high in temperature, so that melting deformation of plastic of the socket due to high temperature is avoided, short circuit accidents of the power supply is avoided, and electrical safety is guaranteed. The invention further discloses electric equipment provided with the over-temperature protection device of the alternating-current socket.

The invention discloses a protective film having fire-resistant performance. The protective film comprises a protective film body, wherein the protective film body consists of a damp-proof layer, a flame-retardant layer, a flame-retardant ring, a permeation-proof layer and a fireproof layer, the top of the damp-proof layer is fixedly connected with the bottom of the flame-retardant layer through a first bonding layer, the top of the flame-retardant layer is fixedly connected with the bottom of the circular-ring-shaped flame-retardant ring, the outer surface of the flame-retardant ring is provided with cooling holes arranged in an equally spaced mode, and the top of the flame-retardant layer is further fixedly connected with a resin layer. The protective film having fire-resistant performance can effectively block outside high temperature and flames, burning and melting deformation of the protective film are effectively avoided, the fireproof performance is high, a fireproof and high-temperature-resistant effect is good, damage caused by too high internal temperature of the protective film is effectively avoided, a heat insulation effect is good, the protective film is effectively prevented from getting wet or being damaged, the stability of the protective film is ensured, normal usage of people can be effectively achieved, and the fireproof performance is high.

The invention discloses an online cutting, marking, detecting and packaging automatic production line for laser machining of two-dimensional codes, and belongs to the field of automatic production lines. The on-line cutting, marking, detecting and packaging automatic production line for laser machining of the two-dimensional codes comprises a base, a machined part, a marking mechanism and a conveying mechanism, the marking mechanism and the conveying mechanism are both fixedly connected to the base, a supporting frame is fixedly connected to the base, and a second rotating rod is connected to the supporting frame in a rotating mode. A gas suction fan is fixedly connected to the second rotating rod, a first rotating rod is connected to an auxiliary frame in a rotating mode, and a cooling fan is fixedly connected to the first rotating rod. The online cutting, marking, detecting and packaging automatic production line is easy to use and convenient to operate, harmful gas generated during laser marking is sucked and filtered, harm to the body of a worker is reduced, meanwhile, the machined part subjected to marking is cooled, the situation that due to the fact that the temperature of the machined part is too high, a packaging bag is molten and deformed subsequently is prevented, and the packaging efficiency is improved.

The invention discloses a conveying device for production of optical cables and cables. The conveying device comprises a conveying track, mounting frames, a servo motor and operation buttons; the mounting frames are fixedly mounted on the two sides of the conveying track correspondingly, a motor frame is fixedly mounted on the mounting frame on one side of the conveying track, and the servo motoris placed on the motor frame; the operation buttons are fixedly mounted on one side of the top end of the motor frame, the output end of the servo motor penetrates through the mounting frame on the front face to be provided with a third rotating shaft, and the end, away from the servo motor, of the third rotating shaft is connected with the mounting frame on the back face; and a second rotating shaft is placed in the right end of the conveying track. According to the conveying device for production of the optical cable and the cables, raw materials can be pressed, the edge warping phenomenon of the raw materials is avoided, meanwhile, the dust raising phenomenon can be avoided, static electricity on the raw materials is eliminated, the structure is simple, design is reasonable, operation is easy and convenient, and thus the conveying device is convenient to popularize.

The invention discloses a temperature sensing device and a ring main unit temperature monitoring system. The invention relates to the technical field of ring main unit cable temperature monitoring. The temperature sensing device comprises a fixed outer shell and a hoop fixedly connected with the fixed outer shell. An FRID label and a base are arranged in the fixed outer shell, the base seals the FRID label in the fixed outer shell, an FRID temperature measuring chip used for temperature detection is arranged on the FRID label, and the base is located in the side, close to the hoop, of the fixed outer shell. According to the invention, a wireless passive temperature sensor is fixed to the sleeve through the hoop to monitor the temperature in the ring main unit in real time; and through arrangement of an alarm, when the temperature exceeds a preset temperature value, the alarm gives an alarm to prompt a manager to carry out cooling, so that the problem of ring main unit damage or fire accidents caused by internal temperature rise of the ring main unit is solved in time, and the damage probability of ring main unit equipment is remarkably reduced.

The invention discloses an appearance-improved welding method for a welded structure of a resin plate and metal frames. The appearance-improved welding method is characterized by comprising the following steps that S1, a weldment is prepared; S2, the weldment is polished; S3, the weldment is fixed; S4, spot welding positioning is carried out; S5, welding spots are polished, specifically, the welding spots are polished to reduce the gradient of the welding spots; S6, backing welding is carried out, specifically, backing welding is carried out along a welding path through welding equipment; S7,filling welding is carried out, specifically, filling welding is carried out on the backing welding through the welding equipment; S8, the welding surface is polished, specifically, the welding surface is polished to ensure that the welding surface is flat and smooth; S9, the resin plate is inserted, and the resin plate is inserted into a frame formed by the first metal frame, the second metal frame and the third metal frame; and S10, the steps S3 to S7 are repeated after the resin plate is inserted. According to the appearance-improved welding method for the welded structure of the resin plate and metal frames, operation is easier, welding is convenient, it can be guaranteed that the resin plate makes little contact with flames and cannot deform, the four metal frames are located on the same horizontal plane, and the appearance is more attractive.

The invention provides an electrode. The strength of the electrode is extremely high, and the electrode is not prone to deforming. Thus, the invention provides a method for processing the electrode. The electrode is an integral electrode. The integral electrode is formed by splicing N electrodes into a whole, and N is larger than or equal to 2. The integral electrode is provided with a through groove, concave grooves and protrusions are arranged in the through groove and are matched with protrusions and concave grooves of the deep thin wall of a tubular core.

The invention discloses a summer flood high-position flood discharge sluice, and relates to the technical filed of sluices. The summer flood high-position flood discharge sluice comprises a sluice gate frame, a flashboard is slidably connected between the two sides of the inner wall of the sluice gate frame, a push-pull rod is installed at the top of the flashboard and is of a threaded rod, a rotating handle is installed at the end, penetrating out of the sluice gate frame, of the push-pull rod, a lifting groove is formed in one side of the flashboard, the bottom of the lifting groove communicates with a limiting groove, a lifting plate is slidably connected between the two sides of the inner wall of the limiting groove, a flood discharge hole is formed in one side of the lifting plate, and a drainage hole matched with the flood discharge hole is formed in one side of the inner wall of the lifting groove. According to the summer flood high-position flood discharge sluice, the purpose of improving the intelligence degree of a sluice gate is achieved, the sluice gate can be automatically controlled to be opened for flood discharge according to the height of the water level, the protection capacity is high, parts outside the sluice gate can be effectively protected, and the position can be quickly restored to facilitate next-time continuous work.

The invention relates to the technical field of multi-plastic-film injection molding, and particularly discloses a cooling protection type multi-plastic-film injection molding technology. The coolingprotection type multi-plastic-film injection molding technology comprises the following steps that a first plastic film and a second plastic film are provided, and an automobile logo mark is formed through combination of the first plastic film and the second plastic film; an injection mold is provided, the automobile logo mark is placed in an injection mold cavity of the injection mold, and the injection mold is provided with a plastic inlet hole communicating with the injection mold cavity; a cooling assembly is provided and used for cooling the automobile logo mark; fusion plastics are injected into the injection mold cavity of the injection mold through the plastic inlet hole, and a plastic film decoration piece is formed by the cooled and cured fusion plastics and the automobile logo mark; and when outside fusion plastics enter the injection mold cavity from the plastic inlet hole, the cooling assembly conducts cooling treatment on the automobile logo mark, the situation that due to the fusion plastics, the temperature of base materials of the first plastic film or the second plastic film is too high, and consequently the base materials are melted and deform is avoided, and theinjection molding yield of the plastic film decoration piece is improved.

The invention relates to the technical field of piezoelectric crystals, in particular to a method for growing a 6-inch lithium tantalate crystal, which comprises the following steps of: a) filling a lithium tantalate raw material into a platinum-iridium alloy crucible, vacuumizing, and filling nitrogen to positive pressure; b) raising the temperature to 1600-1645 DEG C to melt the raw materials; c) descending the seed crystal, stopping descending when the seed crystal descends to the 0 position of the crucible opening, and clearing the weighing weight to zero; d) adjusting the seeding temperature and the descending or ascending rate of the seed crystal according to the weight change of the seed crystal, and enabling the crystal to grow automatically after the seeding is completed, and e) controlling the crystallization rate of the crystal by adjusting the lifting speed of the shouldering growth and the equal-diameter growth in real time, and pulling up the crystal after the crystal growth is completed, so that the crystal is separated from the molten liquid.

The invention discloses a wired segment electrowelding support. The wired segment electrowelding support comprises multiple stand columns which are distributed in a linear shape, a cross beam is connected between every two adjacent stand columns, the top ends of the stand columns are provided with an arc-shaped support body, the concave surface of the arc-shaped support body faces upwards, and multiple support plates are arranged on the top of the side face of the arc-shaped support body at intervals. According to the wired segment electrowelding support, due to the fact that the support plates are arranged on the top of the side face of the arc-shaped support body at intervals, high-temperature flame jetted by a welding gun when the welding gun works for a long time can only melt and deform the support plates but not influence the arc-shaped support body, and only the support plates need to be replaced separately when the support plates are melted and deformed and wired segment electrowelding is performed next time. The wired segment electrowelding support has the advantages that the arc-shaped supports are prevented from being melted and deformed and it is guaranteed that the segments are placed neatly.

The invention provides a marine cable protection device, and relates to the technical field of marine equipment. The protection device comprises a cable containing barrel, a water bath tank, a water storage tank and a water pump, the marine cable is installed in the cable containing barrel, the cable containing barrel is contained in the water bath tank, the space between the cable containing barrel and the water bath tank is filled with sponge, the bottom end of the water bath tank is communicated with the water storage tank, and the water storage tank is communicated with the top end of thewater bath tank through the water pump. A humidity sensor is arranged on the outer wall, close to the bottom end, of the cable containing barrel, and the humidity sensor and the water pump are electrically connected with the controller. The humidity sensor sends a signal to the controller when measuring that the humidity is lower than a first threshold value, and the controller controls the waterpump to be started to soak the sponge and controls the water pump to be closed until the humidity measured by the humidity sensor is higher than a second threshold value; and the infiltrated sponge absorbs heat of the cable accommodating cylinder, so that the marine cable in the cable accommodating cylinder is effectively prevented from aging by sun heat or melted and deformed.