41results about How to "Evenly melted" patented technology

The invention discloses a laser-TIG (Tungsten Inert Gas) hybrid welding and method based on ultrasonic-assisted wire powder coaxial conveying, after entering, a laser beam forms a semicircular Bessel beam through a lens, a metal wire passes through an ultrasonic-assisted device and then introduces vibration into a welding pool, and six powder conveying guide pipes are uniformly distributed around the metal wire; according to the wire core six-way powder channel coaxial device, a semi-circular light beam passes through the wire core six-way powder channel coaxial device and enters a laser head, and finally the effect of coaxially melting a wire powder material through laser is achieved. A TIG welding auxiliary device is added to one side of a molten pool, metallurgical reaction is promoted, and compactness of a welding seam is improved. The device mainly comprises an annular laser beam wire core six-way powder channel simultaneous melting system, an automatic wire feeding system, a powder feeding system, an ultrasonic vibration system, a TIG auxiliary welding system and the like. The welding efficiency can be improved through the wire core six-way powder channel coaxial melting technology, the flowing stability of a molten pool can be promoted through the ultrasonic-assisted technology, and the welding seam forming quality can be improved through laser-TIG composite welding.

The invention provides a numerical control integrated extruder for producing long-acting heat-preservation weather-proof rubber strips for doors and windows, and belongs to the technical field of rubber extruders. Comprising an extruder body, a feed hopper is mounted at a feed port of a charging barrel of the extruder body, and the extruder further comprises a dispersing mechanism. Through the arrangement of the motor, the hollow driving lever and the cooling mechanism, the motor drives the hollow driving lever to rotate to scatter caked granular raw materials in the feeding hopper, so that the granular raw materials enter the machine barrel of the extruder body in a uniform and loose state, the granular raw materials are molten more uniformly, and the melting quality of the granular raw materials is improved. And meanwhile, the cooling mechanism and the hollow shifting rod are matched together, the granular raw materials are cooled when stirred by the hollow shifting rod, the influence of high environment temperature in summer or heat generated by operation of the extruder body on the granular raw materials is reduced, and the quality of the granular raw materials is guaranteed. And the phenomenon that the granular raw materials are further agglomerated due to overheating is prevented.

The invention belongs to the technical field of phase change energy storage, and particularly relates to a phase change heat storage device based on bidirectional staggered fins and application, the phase change heat storage device comprises a cylindrical shell, a finned tube and a phase change material, and the finned tube comprises a circular base tube and a plurality of fins welded to the surface of the base tube; each fin comprises a main fin connected to the outer surface of the base tube and extending in the length direction and a branch fin set connected to the top of the main fin, the first branch fin and the second branch fin are the same in height and width, and each first branch fin and the corresponding second branch fin are adjacent and opposite in bending direction. The branch fins I and the branch fins II at the top of each main fin are alternately arranged in sequence; the multiple fins are evenly distributed in the heat storage cavity on the periphery of the base tube in a radial shape, the heat storage cavity is filled with the phase change materials, the finned tube is wrapped with the phase change materials, and on the basis of conventional rectangular fins, the heat storage rate and the heat storage efficiency are remarkably improved through the simple machining procedures of segmentation and bending.

The utility model relates to the technical field of process wax production, in particular to an integrated raw material wax melting pot for process wax production, which comprises a main body mechanism, a stirring mechanism, a heating mechanism and an output mechanism, the temperature in a heat preservation cavity is continuously increased through continuous heating of a heating disc, then the heat is quickly conducted into a stirring barrel through a heat conducting sheet, and at the moment, the stirring mechanism is connected with the output mechanism. The main stirring rod, the main stirring blades, the auxiliary stirring rod and the auxiliary stirring blades are driven by the servo motor to synchronously rotate, so that raw materials are uniformly heated, the wax raw materials are uniformly melted in the stirring barrel, the problem of non-uniform heating of a traditional wax melting pot is avoided, and the production quality and efficiency of the wax melting pot are improved. By means of the two-way connecting pipe and the metering device which are fixedly installed at the bottom end of the discharging end and the material conveying valve movably installed at the top end of the material conveying pipe, in the actual using process, production capacity data can be observed in real time, meanwhile, staged implementation control over a production plan is facilitated, and production standardization and controllability of the wax melting pot are improved.

The utility model provides a low-temperature refrigeration evaporation coil device with a uniform defrosting function, which relates to the technical field of refrigeration equipment and comprises a device shell, a coil main body is fixedly inserted into the inner surface wall of the device shell, a group of fins are fixedly sleeved on the outer surface wall of the coil main body, and a partition plate is fixedly connected to the inner surface wall of the device shell. Two groups of mounting holes are formed in the top of the partition plate, a first circulating fan is fixedly inserted into the inner surface wall of one group of the two groups of mounting holes, and a second circulating fan is fixedly inserted into the inner surface wall of the other group of the two groups of mounting holes. According to the low-temperature refrigeration evaporation coil device, uniform defrosting of the low-temperature refrigeration evaporation coil device is achieved under the interaction of all the components of the device, frost on the surface of the coil is completely melted, and therefore the influence of local frosting on heat exchange efficiency is eliminated, refrigeration efficiency is remarkably improved, energy consumption is effectively reduced, and energy is saved. And the equipment failure risk caused by uneven defrosting is reduced.

The utility model discloses a cable production plastic extruding machine, including bottom case and top case, bottom case bottom is symmetrically fixed installation support, the top case is fixed installation bottom case top, when in use, the plastic particle in storage bin enters the feed inlet of bottom case, the output end of first motor drives the first rotating shaft to rotate, and the first rotating shaft is driven by the output end of first motor to rotate. A first rotating shaft conveys entering plastic particles into a heating leading-out pipe through a first spiral blade, the plastic particles are heated and melted by heating plates symmetrically arranged outside the heating leading-out pipe, the melted plastic is driven forwards by the rotating first spiral blade, and an opening formed in the rotating first spiral blade passes through a material mixing rod; and the molten plastic conveyed forwards is collided and mixed by the mixing rods fixedly connected with the inner wall of the heating guide-out pipe in a staggered manner, so that the plastic adhered together is overturned and mixed, the plastic is molten more uniformly, accumulation of plastic particles is reduced, and the plastic particles are molten more completely.

The utility model discloses an anti-blocking high-speed co-rotating extruder, which comprises an extruder base, the heating extrusion device is fixedly mounted at the top of the extruder base; the feeding hopper is fixedly mounted at the top of the heating extrusion device; and the feeding anti-blocking device comprises a driving assembly, a rotating shaft, stirring blades and scraping rods. A worker pours plastic particle raw materials into a feeding hopper from a feeding opening, a motor is started to drive a first gear to rotate, so that a second gear rotates and drives a rotating shaft to rotate, and stirring blades rotate to stir raw material particles in the feeding hopper to increase the fluidity of the raw material particles; the scraping rod can be tightly attached to the inner wall of the feeding hopper to rotate to scrape raw material particles attached to the inner wall, the propelling auger rotates to evenly feed raw materials into the heating extrusion device for extrusion operation, and by means of the structure, the effects of improving the production quality and reducing the labor delay time caused by blockage are achieved.

The utility model discloses natural rubber epoxidation preparation equipment and relates to the technical field of natural rubber processing. The upper side and the lower side of the inner wall of the protective barrel are fixedly connected with a reaction barrel together, a heater is arranged between the protective barrel and the reaction barrel, a barrel cover is clamped at an opening of the reaction barrel, a cavity is formed in the barrel cover, and the middle of the top surface of the barrel cover is fixedly connected with a motor; the output end of the motor penetrates through the top face of the cylinder cover and extends to the inner wall of the cavity, the output end of the motor is fixedly connected with a first rotating rod, and the lower end of the first rotating rod penetrates through the lower side of the inner wall of the cavity and extends to the bottom face of the cylinder cover. When natural rubber is melted, the natural rubber can be fully stirred, low melting efficiency caused by non-uniform melting of the natural rubber is prevented, meanwhile, in the epoxidation reaction process of the natural rubber, full stirring and mixing between a natural rubber solution and an oxidizing agent can be guaranteed, and the natural rubber solution can be fully stirred and mixed. The occurrence of more unreacted raw materials after the reaction is avoided.

The application discloses a non-equivalent electrode propulsion structure and method based on electrode corrosion rules, and belongs to the technical field of base plate glass manufacturing, which comprises electrodes, silver plates arranged between the electrodes, and propulsion modules arranged at the tail ends of the electrodes; the electrodes are composed of a plurality of electrode blocks, electrode blocks with the same or similar corrosion amounts form an electrode module; different electrode modules are provided with corresponding silver plate modules and propulsion modules; a corrosion amount calculation model of each electrode block of the electrode under different temperatures is established, and then the total propulsion amount of each electrode block during operation is calculated; meanwhile, electrode blocks with the same or similar corrosion amounts form an electrode module, the silver plate module and the propulsion module are designed according to different electrode modules, the non-equivalent and differentiated propulsion of the electrode blocks in the electrode is realized, the contact surface between the electrode and the glass liquid is ensured to be a plane at all times, the uniform distribution of the electrode and the glass liquid current is realized, the efficient utilization of each electrode block is realized, the service life of the electrode is prolonged, and the cost is reduced.

The utility model discloses a device for quickly melting raw material donkey-hide gelatin for a donkey-hide gelatin liquid preparation, which comprises a tank body, the inner surface of the tank body is fixedly connected with a heating plate, the inner surface of the tank body is fixedly connected with a crushing tank, the inner surface of the crushing tank is rotatably connected with a rotating shaft I, the side surface of the rotating shaft I is fixedly connected with a blade, and the side surface of the rotating shaft I is fixedly connected with a rotating shaft II. A first motor is fixedly connected to the lower surface of the smashing tank, the output end of the first motor is fixedly connected to one end of a first rotating shaft, a cover plate is movably connected to the upper surface of the smashing tank, a perspective window is arranged on the cover plate, and a sealing plug is movably connected to the lower surface of the smashing tank. Solid donkey-hide gelatin can be heated and melted after being smashed, so that the donkey-hide gelatin can be melted more uniformly, and the condition that the donkey-hide gelatin is not melted locally or is not melted uniformly is avoided.

The invention relates to the technical field of diode packaging, in particular to a wafer level packaging-based diode preparation process, which comprises the following steps of: performing primary formation quality detection on the basis of forming initial salient points on a target wafer, determining whether a reflow soldering mode is started or not according to a primary deposition detection result, and performing secondary formation quality detection on the target wafer on the basis of starting the reflow soldering mode. Determining actual reflux parameters according to a primary deposition detection result; heating the target wafer according to the actual reflow parameter to form a target bump; in the backflow heating process, monitoring the target wafer in real time, and determining time nodes of all stages of the backflow heating process according to the backflow monitoring parameter set; and packaging and cutting the target wafer on the basis of the completion of the reflux heating process, performing an electrical test on each obtained diode wafer particle in the cutting process, marking the diode wafer particles which are unqualified in the electrical test to obtain an electrical marking result, and determining an actual abnormal reason according to the electrical marking result.

The invention discloses an electric heating furnace for producing mineral wool by using silicon-manganese alloy hot melting slag and a feeding mechanism matched with the electric heating furnace, and relates to the technical field of mineral wool production. The electric heating furnace for producing the mineral wool by using the silicon-manganese alloy hot melting slag comprises a furnace body and a cylindrical frame arranged at the upper end of the furnace body, and further comprises a limiting disc, the limiting disc is fixed to the upper end of the furnace body, and an arc-shaped through groove is formed in the limiting disc; the rotating ring is arranged above the limiting disc, and the rotating ring is rotationally connected with the limiting disc; and the connecting frame is installed on the rotating ring, and cathode columns corresponding to the arc-shaped through grooves in a one-to-one mode are installed on the connecting frame in a sliding mode. The cathode column reciprocates in the arc-shaped through groove through the transmission assembly, liquid blast furnace slag in the furnace body can be locally stirred to accelerate hot melting, and in addition, the cathode column rotates to enable the electric arc to synchronously move, so that the situation that the electric arc continuously heats a single position is avoided, the heating effect is further improved, and material hot melting is more uniform.

This utility model relates to the field of air conditioner technology, and discloses a heat pump defrosting system and an air conditioner. In the heat pump defrosting system, the high-temperature, high-pressure refrigerant gas discharged from the compressor is directly introduced into the defrosting pipe assembly mounted on the chassis, fully utilizing the inherent high-temperature exhaust waste heat during system operation as a heat source. This design eliminates the traditional electric heating wire method, achieving chassis defrosting with zero additional energy consumption; it eliminates the need for independent electric heating elements and a matching detection and control system, significantly reducing hardware costs and circuit complexity. The high-temperature refrigerant efficiently and evenly melts the ice layer as it flows through the chassis defrosting pipe, ensuring smooth discharge of defrosting water. This not only effectively eliminates poor defrosting, duct blockage, and heating attenuation caused by chassis icing, but also improves overall energy efficiency by directly utilizing the system's circulating energy, significantly enhancing the reliability and economy of the air conditioner under long-term heating conditions.

The invention relates to the technical field of non-standard automation, in particular to an automatic assembly line and method for injection molded parts, and the automatic assembly line comprises an injection molding machine, an injection molding material taking manipulator, a positioning transfer mechanism, a conveying transfer mechanism, a first assembly mechanism, a second assembly mechanism, a hot melting mechanism, a marking mechanism and a discharging mechanism; the injection molding machine is used for carrying out injection molding on a ribbon body, the positioning and transferring mechanism comprises a discharging platform and a positioning and transferring mechanical arm, the positioning and transferring mechanical arm is located on one side of the discharging platform, and the injection molding and material taking mechanical arm is used for grabbing the ribbon body subjected to injection molding on the injection molding machine and placing the ribbon body on the discharging platform; the positioning transfer manipulator is used for grabbing the ribbon body on the material placing platform and placing the ribbon body on the conveying transfer mechanism for conveying; according to the invention, the advantages of high automation and integration are shown, and the production efficiency and the product quality are obviously improved.

The invention relates to a preparation method of a retaining ring composite electroslag ingot, belongs to the technical field of electroslag remelting smelting, and solves the problems that in the prior art, a retaining ring forge piece has forging cracks and is poor in surface quality, and an existing composite steel ingot has component difference and is complex in preparation process. According to the preparation method of the retaining ring composite electroslag ingot, the bottom, the main body part and the top of the composite electroslag ingot are made of different materials, and the preparation method comprises the following steps that 1, electrodes of the main body part of the composite electroslag ingot are prepared; step 2, preparing an electrode at the end part of the composite electroslag ingot; step 3, preparation before electroslag remelting of the composite electroslag ingot; 4, sequentially completing remelting of the bottom, the main body part and the top of the composite electroslag ingot in an electrode replacement mode; and 5, cooling solidification and demolding are conducted, specifically, after the steel ingot obtained after smelting is completed is subjected to mold cooling for 5-6 hours in a crystallizer, demolding is conducted, and the composite electroslag ingot with the end part and the main body part made of dissimilar materials is obtained. And the preparation of the retaining ring composite electroslag ingot with high metallurgical quality is realized.

The present invention discloses a low-boron volatilization pharmaceutical glass and a preparation method thereof, comprising the following components in weight percentage: 55-70wt% SiO2, 15-20wt% Al2O3, 0.1-5wt% B2O3, 3-8wt% Na2O, 0.5-5.5wt% K2O, 0.5-6wt% CaO, 0.5-6wt% BaO, 0.1-2wt% P2O5, 0.1-3wt% ZrO2, 0-2% NaCl, 0-2% CeO2, 0-2% NaNO3, and then adopting multi-stage gradient melting molding. Compared with the traditional neutral borosilicate glass, the present invention greatly reduces the boron volatilization, the glass composition is stable, and the thermal expansion coefficient is 4.6-5.2×10 –6 / ℃, water resistance and acid resistance reach level 1, alkali resistance reaches level 2, the finished product rate is high quality and stable, the process is simple and the cost is low, which is suitable for industrial production.

The present invention discloses an electric heating furnace for producing mineral wool using hot molten slag of silicon-manganese alloy and a feeding mechanism for use therewith, and relates to the technical field of mineral wool production. The electric heating furnace for producing mineral wool using hot molten slag of silicon-manganese alloy comprises a furnace body and a cylindrical frame arranged at the upper end of the furnace body, and also comprises a limit plate, the limit plate is fixed to the upper end of the furnace body, and an arc-shaped through groove is opened on the limit plate; a rotating ring, the rotating ring is arranged above the limit plate, and the rotating ring is rotatably connected with the limit plate; a connecting frame, the connecting frame is installed on the rotating ring, and cathode columns corresponding to the arc-shaped through grooves are slidably installed on the connecting frame. The cathode column is made to reciprocate inside the arc-shaped through groove by a transmission component, which can locally stir the liquid blast furnace slag inside the furnace body to accelerate hot melting. In addition, the rotation of the cathode column makes the electric arc move synchronously, thereby avoiding the electric arc from continuously heating a single position, further improving the heating effect, and making the hot melting of the material more uniform.

The utility model relates to the technical field of polyurethane processing, in particular to raw material hot melting equipment for polyurethane production, which comprises a hot melting equipment body, a rotating plate is arranged at the top of the hot melting equipment body, a stirring shaft is mounted at one end of the rotating plate, a movable gear is fixedly sleeved at one end of the stirring shaft, and one side of the movable gear is meshed with a fixed gear. A hot melting cavity is formed outside the stirrer, a pulverizer is arranged on one side of the hot melting cavity, a feeding pipe is fixedly mounted at the bottom of the pulverizer, and an air outlet pipe fixedly sleeves the other side of the hot melting cavity; the device has the beneficial effects that raw materials are crushed by the crusher, the hot melting speed of the polyurethane raw materials is increased, one end of the stirring shaft is driven by the rotating plate to integrally do circular motion, and meanwhile, the movable gear and the fixed gear are in meshed transmission, so that the movable gear rotates and drives the stirring shaft to rotate, the materials are stirred more uniformly, and the hot melting efficiency is improved; and the polyurethane raw material can be hot-melted more uniformly, so that the occurrence of caking of the polyurethane raw material is reduced.

The utility model relates to the technical field of molding powder processing, and discloses a molding powder extrusion forming device which comprises a hopper, a conveying pipe arranged at the bottom of the hopper, a first motor mounted on one side of the conveying pipe, a protective cover mounted outside the first motor, a screw mounted on an output shaft of the first motor, and a melting box mounted on the other side of the conveying pipe. A lock catch is mounted at the front end of the extrusion box; a mold is mounted on the inner wall of the lock catch; an air cylinder is mounted on the inner wall of the top end of the extrusion box; a pressing plate is mounted on an output shaft of the air cylinder; the heat conduction plate is directly connected to the output shaft of the heating device, heat can be transferred to the heat conduction plate more quickly, the outlet is formed in the inner wall of the material melting box, heat can be directly transferred to molding powder, the melting speed of the molding powder is increased, the melting efficiency is improved, and the production time and the energy consumption are reduced.

This application discloses a vehicle refrigeration unit and its refrigeration system, belonging to the related technical field of vehicle refrigeration units. It includes an installation frame with a housing and an inner housing detachably mounted on both sides. An air outlet assembly is located at the top of the inner housing, and the assembly includes a vertically structured mounting plate. External and internal air outlets are respectively located on the two sides of the vertically arranged mounting plate. The beneficial effects of this application are: the refrigerant from the condenser is directly split. During this splitting, one path is throttled and cooled by a throttling device before entering the economizer, while the other path, the un-throttled mainstream refrigerant, enters the economizer. The two refrigerants undergo sufficient heat exchange within the economizer. The throttled, low-temperature refrigerant can more effectively absorb heat from the mainstream refrigerant, thereby significantly increasing the subcooling of the mainstream refrigerant. This results in a lower dryness and higher liquid ratio of the refrigerant entering the evaporator, leading to a higher cooling capacity per unit mass of refrigerant.

The invention relates to the technical field of packaged diodes, and in particular to a diode preparation process based on wafer-level packaging. The preparation process comprises: based on forming an initial bump on a target wafer, performing a formation quality inspection, determining whether to start a reflow soldering mode according to a deposition inspection result, and based on starting the reflow soldering mode, determining actual reflow parameters according to a deposition inspection result; heating the target wafer according to the actual reflow parameters to form a target bump; during the reflow heating process, real-time monitoring is performed on the target wafer, and time nodes of each stage of the reflow heating process are determined according to a reflow monitoring parameter set; based on the end of the reflow heating process, the target wafer is packaged and cut, and during the cutting process, electrical tests are performed on each diode wafer grain obtained, and diode wafer grains that fail the electrical test are marked to obtain electrical marking results, and actual abnormal causes are determined according to the electrical marking results.

The utility model relates to the technical field of high thermal conductivity gasket production, and discloses a high thermal conductivity gasket extrusion device which comprises an extrusion cylinder, a feeding cylinder for feeding materials is arranged at the upper end of the extrusion cylinder, a discharging pipe for discharging the materials is arranged on the left side of the extrusion cylinder, and an L-shaped plate is arranged on the right side of the extrusion cylinder. An extrusion mechanism is arranged between the extrusion cylinder and the L-shaped plate and used for extruding materials, a discharging mechanism is arranged in the feeding cylinder and used for enabling the materials to intermittently enter the extrusion cylinder, the extrusion mechanism comprises a rotating rod, a plurality of spiral blades and a motor, the rotating rod is rotationally arranged in the extrusion cylinder, and the spiral blades are arranged on the rotating rod. The right end of the rotating rod penetrates out of the interior of the extrusion cylinder and is rotationally connected with the inner side of the L-shaped plate. When the extruding device is used, materials intermittently enter the extruding cylinder, so that the materials can be uniformly melted and are not easy to agglomerate in the extruding process in the extruding cylinder, and the extruding effect on the materials is greatly ensured.

The utility model relates to an asphalt recovery structure, and relates to the field of asphalt recovery equipment. The device comprises a conveying cylinder and a heating piece, a spiral conveying rod is horizontally and rotationally connected into the conveying cylinder, a feeding frame opening is fixed to the upper portion of the outer circumferential face of one end of the conveying cylinder in a penetrating mode, and a discharging frame opening is fixed to the lower portion of the outer circumferential face of the other end of the conveying cylinder in a penetrating mode; and the driving device is used for driving the spiral conveying rod to rotate, the heating piece comprises an oil shell barrel, the oil shell barrel is fixedly arranged on the outer wall of the conveying barrel in a sleeving mode, heat conduction oil is injected into the oil shell barrel, and a plurality of heating rods are horizontally fixed into the oil shell barrel and are evenly arranged. Asphalt is heated to be in a molten state, excessive asphalt in the recycling and conveying cylinder can be conveniently discharged in the later period, then the pipeline can be integrally heated in a heating mode, old asphalt in the pipeline is molten and heated uniformly, and asphalt recycling and conveying are convenient.

The utility model discloses a high-temperature melt extrusion device for color master batch production, which comprises a bottom plate, the right side of the top of the bottom plate is fixedly connected with a heating box, the top of the heating box is fixedly provided with a motor through a bolt, the output end of the motor is fixedly connected with a rotating rod, and the surface of the rotating rod is fixedly connected with a fixing sleeve. The surface of the fixing sleeve is fixedly connected with a stirring rod. The heating pipe and the heating rod are matched to heat and melt color master batch raw materials, the motor is started to work, the motor drives the rotating rod to rotate, the rotating rod drives the fixing sleeve to rotate, the fixing sleeve rotates and drives the stirring rod to rotate at the same time, and the color master batch raw materials can be stirred through the stirring rod. The second belt pulley drives the belt and the first belt pulley to rotate, and the first belt pulley drives the transmission rod to rotate.

The invention discloses a titanium-containing furnace slag treatment method and application thereof. The method comprises the following steps: 1) adding a certain amount of slag additive into the titanium-containing slag, and fully mixing to obtain a titanium-containing slag mixture; 2) heating the titanium-containing slag mixture to 1300-1600 DEG C to completely melt the titanium-containing slag mixture; (3) pouring the melt of the titanium-containing slag mixture into water for water quenching treatment, and (4) after drying slag particles, carrying out high-temperature roasting treatment at 700-1300 DEG C; and 5) grinding the slag particles into powder. The invention further provides application of the titanium-containing slag powder obtained through the titanium-containing slag treatment method in production of weak electrolyte covering slag or traditional continuous casting covering slag. According to the method, TiO2 in the titanium-containing slag is fully utilized, secondary utilization of resources is achieved, the method is used for producing the casting powder, it can be guaranteed that the casting powder is evenly melted and good in using effect, and the production cost of the casting powder is greatly reduced.

The utility model discloses a plastic product production raw material melting device, which comprises a double-shaft motor and a driving motor, the output end of the double-shaft motor is connected with a first driving rotating shaft, the first driving rotating shaft is coaxially provided with a plurality of crushing blades, the double-shaft motor is coaxially provided with a bearing frame, the top end of the bearing frame is provided with a crushing box, and the crushing box is provided with a plurality of crushing blades. A feeding pipe is installed on the smashing box, a treatment box is arranged at the bottom end of the double-shaft motor in an attached mode, a fixing piece is fixed to the treatment box, a conveying cylinder is installed in a circular hole of the fixing piece, the output end of the driving motor is connected with a rotating shaft, and spiral blades are installed on the rotating shaft and located in the conveying cylinder. The output end of the driving motor is connected with the rotating shaft, the spiral blades are installed on the rotating shaft, the rotating shaft drives the spiral blades to rotate, raw materials are pushed to descend orderly, and the raw materials are prevented from being blocked in the device.

The present invention discloses an automatic overmolding device for plastic parts injection molding, which relates to the technical field of injection molding machines, a main unit, which includes a support frame and a movable mold and a fixed mold arranged on the side of the support frame; and an injection unit, which is installed on the side of the support frame. By designing the processing cylinder to be composed of two release sections and a conveying section with different diameters, when the hollow screw and the reciprocating cylinder move in the release section, the release section with a relatively enlarged diameter provides a larger space and surface area, and the surface of the reciprocating cylinder arranged inside the release section is provided with an air suction section, so that the reciprocating cylinder reciprocates and exhausts the inside of the release section through the air suction section, so that the gas generated by the melting of the raw materials inside the release section is extracted by the reciprocating reciprocating cylinder, and the reciprocating reciprocating cylinder provides additional dynamic shearing and stirring effects, which further destroy the bubble structure in the melt and promote the gas to be dispersed and discharged more effectively.

According to the technical scheme, the melt heating device is characterized in that the melt heating device comprises a smelting furnace, two supporting blocks are fixedly installed on the bottom face of the smelting furnace, supporting discs are fixedly installed on the bottom faces of the supporting blocks, a feeding pipe is arranged on the top face of the smelting furnace, a mounting frame is fixedly arranged outside the feeding pipe in a sleeved mode, and the mounting frame is connected with the smelting furnace. A storage box is fixedly mounted on one side of the interior of the mounting frame, and a discharging pipe is arranged on the bottom surface of the storage box; the quantitative discharging assembly is arranged on the bottom face of the material storage box and used for quantitatively adding color master batches, by arranging an electronic scale, when the color master batches are added, color master batch raw materials in the material storage box are discharged to a quantitative plate through a discharging pipe, the raw materials are weighed through the electronic scale on the quantitative plate, and after the set weight is reached, the color master batch raw materials are discharged to the quantitative plate through a discharging pipe; and the electric push rod is started and drives the material pushing plate to push the color master batch raw materials on the quantifying plate into the smelting furnace, so that the accuracy of the weight of the added raw materials is ensured, and excessive or insufficient addition is prevented.

The utility model relates to the field of quartz fiber production, and discloses an annular non-contact quartz fiber production heating and melting device which comprises an outer cavity, an outer cavity cover is fixedly connected to the top of the outer cavity, a plurality of guide rod holes are formed in the surface of the outer cavity cover, an inner cavity is fixedly connected to the interior of the outer cavity, and a plurality of guide rod holes are formed in the surface of the inner cavity. An inner cavity cover is fixedly connected to the top of the inner cavity, a heating assembly is arranged in the inner cavity and comprises a heating ring, the heating ring is installed in the inner cavity, a plurality of heat insulation pipes are fixedly connected to the bottom of the heating ring, a plurality of heating holes are formed in the top of the heating ring, and the heat insulation pipes are fixedly connected to the bottom of the heating ring. The outer wall of the heating ring is sleeved with an induction heating coil. According to the utility model, non-contact induction heating is adopted, and inert gas is filled into the inner cavity to protect molten quartz glass rod liquid drops, so that impurities in the air can be prevented from polluting the quartz liquid drops, and the purity of silicon dioxide in the quartz fiber is further improved.