633 results about "Molten material" patented technology

The embodiment of the invention relates to the field of radioactive waste treatment, in particular to material treatment equipment and curing equipment. According to the material treatment equipment provided by the embodiment of the invention, the powdery material in the material accommodating device is converted into a partially molten state through the material treatment device, and the partially molten material is converted into the solid material through the pressurizing device, so that the powdery material can undergo conversion of different states in the material accommodating device; therefore, powdery materials are converted into solid materials convenient to transfer and process, the operation of replacing a container is omitted, and material processing procedures are saved. According to the curing equipment provided by the embodiment of the invention, the sealing device is used for sealing the material treatment equipment, so that the state transition process of the powdery material has better sealing performance and stability, and the stable quality of the produced solid material is ensured.

The embodiment of the invention relates to the field of radioactive waste treatment, in particular to a solidification method. According to the method, a conveying and jacking device is used for conveying a material containing device to enable the material containing device to receive powdery materials, a clamping and transferring device and a lifting device are used for conveying the material containing device completing feeding into a material processing device to enable the powdery materials to be partially molten, and a pressurizing device is used for pressing and compacting the partially molten materials; and finally, ingot-shaped solid materials are formed in the material containing device, then the lifting device and the clamping and transferring device are utilized again to transfer the material containing device to the conveying and jacking device so as to transfer the ingot-shaped solid materials, in this way, the process from powder feeding to ingot forming of the materials is conducted in the material containing device, the situation that a material container is replaced in the midway is avoided, and the production efficiency is improved. Operation steps are simplified; and the clamping and transferring device, the lifting device and the conveying and jacking device all participate in the front process and the rear process of material treatment, so that reuse of equipment parts is achieved, and the equipment composition is simplified.

The invention relates to a preparation method of a silicon single crystal rod and a silicon wafer. Comprising a melting stage, a temperature adjusting stage, a welding stage, a seeding stage, a shouldering stage, an equal-diameter stage, an ending stage and a breaking stage which are carried out in sequence, in the equal-diameter stage, the pulling speed is controlled to be within a first pulling speed range, and the solid-liquid interface temperature gradient is controlled to be within a first gradient range; wherein the range of the first pulling speed ranges from 0.5 mm / min to 1.1 mm / min; the first gradient range is 3 DEG C / cm to 5 DEG C / cm. By reducing the temperature gradient of a solid-liquid interface and lowering the crystal pulling rate, the stability of a thermal field is enhanced, and sufficient conditions are provided for the composite reaction of Sii and V, so that the impurity capturing efficiency is improved, the internal purity of the crystal is improved, and the impurities are effectively removed.

The invention discloses an injection molding device with an auxiliary mold micro-opening and glue sealing structure, and the device realizes accurate micro-opening of a movable mold plate through the synergistic effect of a mold opening and closing assembly and an auxiliary mold opening assembly, so that the micro-opening distance of the movable mold plate can be kept in a controllable range of 0.5 mm-2mm. Therefore, the uniformity of mold cavity exhaust and material flow distribution in the injection molding foaming process is effectively improved; in addition, the structure of the injection screw is optimized, and a spiral dispersing element area and a pin mixing area are sequentially arranged at the head of the injection screw, so that the gas-containing molten material can be efficiently dispersed and homogenized, and the micropore structure and the surface quality of the interior of a product are remarkably improved. Compared with the prior art, the consistency and the size precision of the product can be remarkably improved, the defective rate is reduced, and the mechanical property and the appearance quality of the foamed plastic product are improved.

The invention relates to the technical field of cable manufacturing, in particular to cable insulation sheath extrusion molding equipment which comprises an extrusion device, and the extrusion device comprises an extrusion head and a rotating assembly. The plurality of convex surfaces are uniformly arranged on the outer wall of the extrusion head along the circumferential direction, so that the radial distribution of the molten material in the flow channel is adjusted, and the molten material is guided to supplement gaps among strands of the multi-strand stranded cable. Meanwhile, the extrusion head is driven by the rotating assembly to rotate, so that the convex surface can adapt to the outline of the outer surface of the cable in real time. Therefore, it is ensured that the thickness of the insulating layer is uniform, the surface of the insulating layer is smooth, the phenomenon that materials are excessively gathered towards gaps or are not evenly distributed is avoided, the electrical hidden danger of an over-thin area is eliminated, material waste of an over-thick area is reduced, and the insulating performance and the material utilization rate of the cable are improved.

The invention discloses a shaping mold facilitating rapid demolding of a plastic product, and relates to the field of injection molds, the shaping mold comprises a top mold, and the shaping mold has the advantages that a spray head can be hidden in the mold, the integrity of a mold cavity is prevented from being influenced, the injection molding quality is guaranteed, spraying of a demolding agent and injection molding of a plastic part are not interfered, and the injection molding efficiency is improved. Meanwhile, the shaping mold can automatically spray a release agent, manual participation in injection molding of all plastic parts is not needed, a mechanical arm is not needed, the cost is reduced, time and labor are saved, meanwhile, the injection molding efficiency is fully improved, control programming and use of a position sensor do not need to be considered, the injection molding process is fully simplified, and the risk of device damage is reduced; the later maintenance cost is relatively low, and the detection of mold closing is closely linked with the spraying of the release agent, so that the application of the release agent and the detection of mold closing do not need to be carried out at intervals, the splashing of molten materials is avoided, the safety is improved, the injection molding period is greatly shortened, and the production efficiency is improved.

A device that may be a valve or a pinch valve is disclosed. The device includes at least the following components: (1) a flexible sleeve and (2) two end connection ports that are located on opposite ends of the flexible sleeve. The device may also include one or more of the following: an actuator, a body or housing, and a heating element. The flexible sleeve is capable of having the high-temperature material flowed therein and being in direct contact with the flexible sleeve. The high-temperature material is a material at a temperature above 200° C. For example, the high-temperature material may be a molten material in a casting process. A method of using the device is also disclosed. The method involves, at least, the following steps: (1) providing a flexible sleeve, and (2) flowing a high-temperature material into the flexible sleeve. The steps may be part of a casting process involving molten material, such as molten metal or molten metal alloy. The flexible sleeve may be provided as part of a device, such as a valve or pinch valve.

The invention relates to the technical field of laser cutting machines, in particular to a steel strip sheet laser cutting machine which comprises a base plate, a workbench and a laser transmitter and further comprises a supporting plate, a U-shaped frame, a vacuum pump, a first vacuum assembly, a second vacuum assembly and a blowing assembly. The U-shaped frame is arranged on one side of the workbench, the laser transmitter is arranged above the supporting plate and connected with the U-shaped frame, the vacuum pump is fixedly arranged on the U-shaped frame, and the first vacuum assembly, the second vacuum assembly and the purging assembly are connected through the vacuum pump and all arranged on the U-shaped frame. The input end of the first vacuum assembly and the output end of the laser transmitter are coaxially arranged. Through the arrangement of the vacuum pump, the first vacuum assembly, the second vacuum assembly and the purging assembly, the cutting quality is guaranteed on the basis that melt is prevented from being solidified again on the edge of the bottom of a cutting hole.

A method and system for forming material within a gap on a surface of a substrate using metal material are disclosed. An exemplary method includes forming a layer of meltable material overlying the substrate and heating the meltable material to a flow temperature to form molten material that flows within the gap.

The utility model belongs to the technical field of molds, and relates to a full-automatic demolding mechanism for a porous conical plastic bobbin. The injection mold comprises an upper injection mold and a lower injection mold, and a positioning and fixing mold plate and a lifting plate are arranged between the upper injection mold and the lower injection mold. During injection molding, molten materials are injected into the multiple cavities through the injection molding flow dividing piece, after injection molding is completed, mold opening is carried out, the positioning and fixing mold plate is separated from the lifting plate, and therefore the sliding type shrinkage type demolding forming assembly and the conical plastic bobbin forming inner barrel are far away from each other, and in the upward moving process of the sliding type shrinkage type demolding forming assembly, the conical plastic bobbin forming inner barrel is separated from the conical plastic bobbin forming inner barrel. The inside of the sliding type contraction type demolding forming assembly is unfolded, a formed plastic part is separated from the sliding type contraction type demolding forming assembly, manual demolding is not needed, full-automatic demolding can be completed after mold opening, the automation degree is high, and the labor intensity of workers is greatly reduced.

The application relates to the technical field of laser cutting, and discloses a micro-nanoparticle impact strengthening auxiliary heavy piece laser cutting method and device, which comprises the following steps: step one: placing a workpiece to be cut in a specified cutting station; step two: simultaneously outputting micro-nanoparticle gas-solid mixed gas and a laser beam, and the two jointly act on the workpiece to cut; and step three: spraying the micro-nanoparticle gas-solid mixed gas to the surface of the workpiece, and impacting the heat affected zone of the cutting area by the high-energy micro-nanoparticles, so that the molten slag is separated from the surface of the workpiece; the device comprises a control cabinet and a pump source electrically connected to one side of the control cabinet, and a spray head electrically connected to the control cabinet is installed on a cutting platform. The novel spray head is arranged, micro-nanoparticle gas-solid mixed gas and a laser beam are simultaneously outputted, the laser focal point is controlled to act on the surface of the workpiece to be machined during outputting, the surface of the workpiece to be machined is made to generate high temperature and gasify materials, and the molten material after gasification is thrown out.

The invention discloses a thin-wall acoustic part injection molding device based on a hot runner, and belongs to the technical field of injection molds. Comprising an injection mold, a fixed mold mechanism, a discharging mechanism and a runner assembly, linkage is formed between a hot runner system of the runner assembly and inclined structures of an injection mold, a fixed mold mechanism and a discharging mechanism, on-off injection molding heads achieve on-demand on-off of molten materials, cold material residues are avoided, a spherical structure in the middle of a flow guide pipe head optimizes a molten material flowing path, a driving part accurately controls a ball core valve head to rotate, it is ensured that on-off of the molten materials is switched in time, and the service life of the molten materials is prolonged. The melt entering the cavity is always in a proper temperature state; and meanwhile, the inclined structure assists the melt in flowing in the inclined direction under the action of gravity, the filling resistance of the tail end of the thin-wall cavity is greatly reduced, it is guaranteed that the melt is rapidly and evenly filled in the cavity, the part is guided to directionally slide down after demolding, follow-up collection is facilitated, and comprehensive optimization of the filling quality, the production efficiency and the energy consumption cost is achieved.

An additive manufacturing machine for depositing molten wire in successive layers on a printing support in a manufacturing chamber to manufacture a three-dimensional part, includes: a feed unit for a raw material, a processing unit arranged to change the state of the raw material into molten material, the processing unit being fixed, located outside the manufacturing chamber and including at least one screw extruder, a flexible heating tube designed to convey molten material at its processing temperature and viscosity from the fixed processing unit to a mobile deposition unit, a mobile deposition unit located in the manufacturing chamber and including at least one deposition nozzle designed to deposit the molten material in the form of a molten wire in successive layers on the printing support and along a predetermined trajectory until the part to be manufactured is obtained.

The invention relates to the technical field of cable processing, and discloses high-voltage cable insulating layer coating equipment which comprises a support. A fixing box is installed on the side face of the support, a loading box is detachably installed on the fixing box, a conical barrel allowing a cable to penetrate through and wrapping the cable with a molten material is installed in the loading box, and a scraping assembly allowing the cable to penetrate through and dividing the interior of the fixing box into a vacuum cavity and a cooling cavity is arranged in the fixing box; the scraping assembly comprises a conical cover, and a wire passing hole with the adjustable hole diameter is formed in the bottom of the conical cover. And the bottom of the fixed box is connected with a telescopic cover piece. The cable is vertically pulled, the gravity accumulation problem of the horizontal process is eliminated, the fluidity of a molten material is limited through the vacuum cavity, bubbles are removed, defective materials are scraped through the conical cover, solidification is conducted through the cooling cavity, the performance of an insulating layer is improved, and the conical cover with the adjustable aperture and the telescopic cavity are matched with cables with different diameters; the dust blowing piece is used for preheating the cable through waste heat and circulating airflow, and energy consumption is reduced.

The invention relates to the technical field of rotary kiln incinerator multi-parameter control, in particular to a rotary kiln incinerator multi-parameter collaborative optimization control system which comprises a temperature monitoring module, a spraying control module, an ash monitoring module, a coking analysis module and a regulation and control feedback module. According to the method, the corresponding hazardous waste incineration stages in all the areas in the rotary kiln incinerator are monitored in real time, due to the fact that the incineration areas are extremely prone to melting to form viscous melts, the melts adhere to the inner wall of the rotary kiln to cause coking of the rotary kiln, flowing of materials is hindered along with thickening of the coking materials, and therefore the hazardous waste incineration efficiency is improved. As the refractory material is extremely easy to damage and fall off, the service life of the refractory material is prolonged by analyzing the ash, identifying the wall-hanging high-risk period and the formation cause of the coking product, timely regulating and controlling each operating parameter in the rotary kiln incinerator, identifying the coking caused by refractory material degradation through the damage early warning model, and timely responding to the shutdown of the rotary kiln. And effective coking control of the rotary kiln incinerator is realized.

The invention relates to a method and a device (100) for producing a component (102) by means of an additive manufacturing method using an energy beam (114). The method comprises the steps of (a) providing a powder, (b) applying at least one first powder layer (110a) of the powder (110) to a construction platform (106) of a process chamber (104), (c) defining a target contour (120) of the component (102), wherein the target contour comprises a plurality of solid layers of the component (102), (d) melting at least one first predetermined region (116a) of the applied first powder layer (110a) by means of an energy beam (114) in such a way that the first predetermined region (116a) is transferred into a first solid layer (118a), (e) melting at least one second predetermined region (116b) of the applied first power layer (110a) by means of the energy beam (114) in such a way that a melt bath (122) of the melted powder (110) is produced, (f) calculating at least one transport vector (123) of the energy beam (114) depending on the target contour (120) of the component (102), and (g) moving the energy beam (114) according to a scanning vector (124) in such a way that melted material from the melt bath is guided, according to the calculated transport vector (123), from an actual position (125) to a target position (126) on or at the first solid layer (118a) in accordance with the target contour (120) and / or the second predetermined region is transferred into a solid layer region (133a) of the first solid layer (118a) in accordance with the target contour (120).

The invention relates to the technical field of draining basket shell preparation, in particular to a multifunctional draining basket shell forming preparation process which comprises the following steps: (1) raw material pretreatment: selecting a PET (polyethylene terephthalate) raw material, and drying the PET raw material by a dryer for 6 hours; (2) melting treatment: adding the PET raw material treated in the step (1) into an injection molding machine, and uniformly melting the PET material by controlling the heating temperature of a screw rod; and (3) injection molding: injecting the molten material obtained in the step (2) into a mold, controlling the mold temperature of a hot runner to be 120 DEG C, and adopting a centrosymmetric pouring gate. The invention aims to solve the problems that when the draining basket is produced, residual moisture which is not removed can be quickly vaporized in the heating link of draining basket shell molding, gas generated by vaporization cannot be discharged in time, and the production cost is low. And obvious bubbles, crazes and other defects can be formed in the product or on the surface of the product.

The invention discloses manufacturing equipment and process of an insulating hollow plate for electronic and electric appliance packaging, and relates to the technical field of hollow plate production, the manufacturing equipment comprises a screw extruder, a hopper is arranged on the top surface of the screw extruder, a hydraulic screen exchanger is arranged at the output end of the screw extruder, and a hollow plate mold is arranged at the output end of the hydraulic screen exchanger, the hollow plate mold comprises a mold body, a dynamic flow divider is arranged on one side of the mold body, the hydraulic screen exchanger conveys molten materials to the mold body through the dynamic flow divider, and the dynamic flow divider dynamically adjusts the flow of the molten materials of the dynamic flow divider based on pressure distribution in the mold body. Through the arrangement of the dynamic flow divider, in the process that the dynamic adjusting pipe conveys the molten material to the wedge-shaped channel, the dynamic adjusting pipe can dynamically adjust the flow of the molten material entering the wedge-shaped channel according to the pressure change of the dynamic pressure channel connected with the corresponding wedge-shaped channel; the hollow plate die can extrude hollow plates with uniform thickness, and the consistency is good.

The utility model relates to an injection mold for an automobile door trim strip. The injection mold comprises an end plate, a bottom plate, a movable mold plate, a fixed mold plate, a mold core and an ejection mechanism, wherein the end plate and the bottom plate are respectively arranged front and back; the movable mold plate and the fixed mold plate are respectively fixed on the rear side of the end plate and the front side of the bottom plate and are matched with each other; a material melting plate is further fixed between the end plate and the movable mold plate, a material melting assembly is further arranged in the material melting plate, and the material melting assembly comprises a frame embedded in the material melting plate, a heat conduction block embedded in the frame and a plurality of material injection units sequentially arranged on the heat conduction block from top to bottom; a plurality of heating pipes which are sequentially arranged from top to bottom are fixed to the outer walls of the front side and the rear side of the heat conduction block. According to the utility model, the flowability of molten materials can be effectively ensured, so that the molten materials can be quickly and fully filled in the whole forming cavity, and the forming qualification rate is further improved.

The present application relates to the technical field of cable manufacturing, in particular to an extrusion molding equipment for cable insulation sheath, which comprises an extrusion device including an extrusion head and a rotating assembly. By uniformly arranging multiple convex surfaces on the outer wall of the extrusion head in the circumferential direction, the radial distribution of the molten material in the flow channel is adjusted, and the molten material is guided to supplement the inter-strand gap of the multi-strand twisted cable. At the same time, the extrusion head is driven to rotate by the rotating assembly, so that the convex surface can adapt to the cable outer surface profile in real time. Therefore, the uniform thickness and smooth surface of the insulation layer are ensured, and the phenomenon of excessive collection or uneven distribution of materials to the gap is avoided, which not only eliminates the electrical hazards in the excessively thin area, but also reduces the material waste in the excessively thick area, thereby improving the insulation performance of the cable and the material utilization rate.

A melting furnace feedstock charger includes a charger conduit including an inlet to receive feedstock and an outlet at an outlet portion of the charger conduit to transmit feedstock, and an auger or other feedstock mover coupled to the charger conduit to convey feedstock in a direction from the inlet toward the outlet. A gate may be detachably coupled to the outlet portion of the charger conduit and configured to be coupled directly to a wall of a melting vessel. The auger may have a helical flight with an outer diameter of varying size. A stripper may be movably carried by the charger conduit and may include a stripping tool moved by an actuator with respect to the charger conduit to facilitate transmission of feedstock and / or to strip away clogged feedstock and / or molten material.

The present invention provides a molten material discharge device and discharge method for a glass melting furnace in a nuclear power plant. The molten material discharge device for a glass melting furnace in a nuclear power plant includes a target body containing molten material positioned at the top and a discharge assembly for continuously discharging the molten material to the bottom, the discharge assembly including a main body module, a drive module for providing driving force, a nozzle module for discharging the molten material from the target body, a heating module for heating the nozzle module by induction heating, a first temperature measurement module for acquiring first temperature information due to heating the nozzle module, and a second temperature measurement module for acquiring second temperature information, which is temperature information due to heating the nozzle module, separately from the first temperature information, the heating module maintains the nozzle module at a set temperature based on the first and second temperature information.

The application discloses a kind of extrusion crosslinking equipment for self-sealing rubber, belong to self-sealing rubber processing technical field.The equipment includes extrusion system, screw sealing device, transition body connecting seat, transmission device, machine cylinder support, base, heating and heat preservation device, screw temperature control pipeline, damper and discharge template.Extrusion system is connected with transmission device by screw sealing device, transition body connecting seat, and is fixed on base by machine cylinder support;Damper and discharge template are sequentially connected in the tail of extrusion system, and heating and heat preservation device and screw temperature control pipeline provide the heat source required for rubber molten material state of extrusion system.The present application designs new screw structure to realize the four-stage extrusion of material, with the effect of high shear, high uniformity mixing.The extrusion crosslinking equipment based on the physical properties of self-sealing rubber has the characteristics of compact structure, easy installation and operation, and high transmission precision.

The invention relates to the technical field of injection molding machines, in particular to a servo injection molding machine with a rapid preheating function. Comprising a rack; the injection molding module is horizontally and fixedly arranged on the rack, and the injection molding module is provided with a material guide pipe capable of conveying molten materials and a pushing rod capable of continuously pushing the materials; the material supply module is vertically arranged on the injection molding module, and the material supply end of the material supply module communicates with a material inlet of the material guide pipe; the heating module is coaxially and fixedly arranged outside the material guide pipe and is arranged close to a material outlet of the material guide pipe; the preheating module is coaxially and fixedly arranged outside the material guide pipe and is close to a material inlet of the material guide pipe, and the preheating module is provided with an air supply pipe capable of continuously leading in a heat source towards the material inlet of the material guide pipe; according to the dehumidification and preheating device, materials can be efficiently dehumidified and efficiently preheated, the dehumidification effect is good, and the preheating efficiency is high.

The invention relates to a laser cutting jig and a laser cutting device.The jig is applied to the laser cutting device.A base is arranged on a laser cutting body and provided with a containing groove, and a to-be-cut piece is contained in the containing groove; the containing groove is provided with an air exhaust component and an oxygen removal component, and the oxygen removal component is used for conveying oxygen removal gas to a cutting area of the to-be-cut piece. The cover body is movably connected with the base and is used for covering the accommodating groove of the base to form an accommodating cavity; when the air extraction component is started, air in the containing cavity is extracted, and the deoxygenization gas output by the deoxygenization component covers the cutting area of the to-be-cut piece. When the laser generating module is started, the output laser penetrates through the containing cavity to conduct laser cutting on the to-be-cut piece, it is avoided that air is mixed in the cutting area of the to-be-cut piece, melt appearing on the cutting edge is affected, oxidation is generated, and the cutting reliability of the to-be-cut piece is improved.

The present invention relates particularly to a method for operating and / or decarbonizing industrial production processes, preferably coating processes such as zinc plating, wherein a heated molten material is provided and / or kept available, the molten material is selectively heated by at least one electric heating device and / or at least one non-electric heating device, and where there is surplus power in the power grid, at least a portion of it is taken from the power grid and used to operate the electric heating device.

This invention discloses a method, apparatus, and storage medium for optimizing the formulation of erosion-resistant concrete. The method includes establishing a mechanism model of molten material erosion of concrete; selecting multiple concrete components based on the molten material erosion mechanism model; composing concrete with different formulations based on the multiple concrete components; calculating the equilibrium temperature and liquidus temperature of the mixture composed of the concrete and the molten material when thermal equilibrium is reached during the interaction between the molten material and the concrete with different formulations; and determining the optimal formulation of the concrete based on the equilibrium temperature and liquidus temperature of the mixture. Concrete prepared using this invention exhibits a significantly lower erosion rate than ordinary nuclear power plant concrete, thus improving the nuclear power plant's ability to respond to severe accidents.

This utility model discloses a rapid prototyping device for PET sheets, including a base, a mounting frame, a mounting plate, an extrusion roller A, a cooling head, and an adjustment structure. The mounting frame is mounted on the base, a fixing plate is mounted on the mounting frame, and another mounting plate is mounted on the fixing plate. An extrusion roller A is rotatably mounted between the mounting plates. A cooling chamber is formed in the extrusion roller A. A cooling head is mounted on the mounting plate, and one end of the cooling head is rotatably connected to the extrusion roller A. The cooling head is equipped with a water inlet and a water outlet. The water inlet is connected to a cold water pipe in the cooling head, and the water outlet is connected to a return water pipe in the cooling head. A coolant generator is externally connected to the water inlet and outlet. This utility model can rapidly cool the molten material, enabling rapid prototyping of PET sheets while maintaining shape stability. It improves the cooling effect and plasticizing efficiency, thereby enhancing the molding quality and performance of the PET sheets.

The utility model discloses a melt index tester which comprises a tester main body, the outer wall of a charging barrel is in sliding sleeve connection with the tester main body, a heating coil for heating the charging barrel is arranged in the tester main body, the bottom of the charging barrel is connected with a mold outlet, a piston assembly is arranged in the charging barrel, and the piston assembly is arranged in the charging barrel. The piston assembly is used for extruding molten materials in the charging barrel to be discharged, the fixed lantern ring fixedly sleeves the top of the outer wall of the charging barrel, the fixed lantern ring is slidably clamped to the top of the tester main body, and the handle assembly is arranged on the side of the fixed lantern ring. According to the utility model, the tester main body, the charging barrel, the fixed lantern ring, the piston assembly and the handle assembly are matched for use, under the action of the handle, the limiting block and the locking rod, the stability of the connecting plate and the fixed lantern ring mounted on the tester main body can be ensured, the locking rod is driven by the handle to be separated from the limiting block, and the charging barrel can be directly taken out; and therefore, the charging barrel is detached and cleaned.

The utility model discloses a kind of wire harness extrusion mechanisms for anti-interference cable production, it is related to wire and cable manufacturing technology technical field.A kind of wire harness extrusion mechanisms for anti-interference cable production, including screw extruder equipment, further include: the extrusion head of being installed in the output end of screw extruder equipment, and the cable core to be covered is penetrated in its both ends;Protective cover, installed in the output end of extrusion head one side;Jet pipe, annularly set on the inner wall of protective cover;The utility model is equipped with protective cover in the output end of extrusion head, and jet pipe is set in protective cover, and the cooling airflow is injected at jet pipe place to be inhaled to the uniform cooling cooling of just wrapped wire core's molten material, simultaneously, using arc cleaning block can clean the impurities that fall in jet pipe gas port position, maintain the stability of airflow, to improve the wrapping effect of cable, simultaneously convenient centralized collection, improve maintenance efficiency.