344results about How to "Improve molding quality" patented technology

The utility model discloses a high-pressure injection molding platform of a high-speed copper cable, which comprises an injection molding assembly for carrying out injection molding on a cable of the high-speed copper cable, and further comprises a clamping tool I and a clamping tool II, the clamping tool II comprises a base, and the base is provided with a groove I for installing the cable at the rear end of the high-speed copper cable; an upper cover is hinged to one side of the upper end face of the base, a groove II matched with the groove I is formed in the lower surface of the upper cover, and anti-skid layers are arranged on the contact faces of the groove I and the high-speed copper cable and the contact faces of the groove II and the high-speed copper cable. A buckle used for fixing the closed upper cover is hinged to one side wall of the base. A PCB at the front end of a high-speed copper cable is fixed through the clamping tool I, a base groove I of the clamping tool II is matched with an upper cover groove II, a cable at the rear end is limited, front and back dual fixation is formed, meanwhile, the friction force between the anti-skid layers on the groove I and the groove II and a cable sheath is increased, and the cable is prevented from sliding.

This utility model discloses a wall frame structure for preventing cracks and leakage, belonging to the technical field of wall frame technology. It includes a casting slab, a reinforcing plate, a positioning structure, a feeding structure, casting holes, transverse reinforcing bars, longitudinal reinforcing bars, a main forming plate, and a secondary forming plate. The reinforcing plate abuts against the casting slab. The casting hole is located on the casting slab. The positioning structure is set on the casting slab. The transverse reinforcing bars are placed within the casting slab through the casting hole. The longitudinal reinforcing bars are placed within the casting hole and abut against the transverse reinforcing bars. The feeding structure is located on the reinforcing plate and is used to feed material into the casting hole. The main forming plate abuts against the side of the casting slab away from the reinforcing plate, and the secondary forming plate abuts against the side of the reinforcing plate away from the casting slab. This utility model, by forming a single frame with the reinforcing plate and casting slab, ensures uniform internal stress during use, greatly enhancing the overall structural strength and effectively improving the wall's resistance to cracks and leakage.

The invention provides an adjustable liquid metal printing nozzle and a liquid metal 3D printing method, and mainly relates to the technical field of liquid metal printing. An adjustable liquid metal printing nozzle comprises a nozzle assembly, a driving assembly, an adjusting assembly and a liquid inlet assembly. Wherein the driving assembly is in transmission connection with the adjusting assembly and is used for providing driving force required by adjustment; the liquid inlet assembly communicates with the interior of the nozzle assembly to form a liquid metal conveying channel. The adjusting assembly is arranged at the joint of the liquid inlet assembly and the nozzle assembly and used for controlling the opening number of spraying holes of the nozzle assembly. The device has the beneficial effects that through precise regulation and control of the opening number of the spraying holes of the nozzle assembly, the dual functions of variable-size part printing adaptation and flow dynamic adjustment are achieved, and the solidification condition of a printed part is optimized.

The application provides a hole-holding stable pile type synchronous pile planting and grouting one-time pile forming construction method, uses a hole-holding stable pile type power grouting integrated drill body and a pile forming complete machine formed by the drill body. The drill body adopts a power head matched with a threaded drill rod assembly, cooperates with a hollow rotary grouter, forms an independent power transmission system and a relatively separated grouting system, and can be switched to realize multi-functional conveying of grouting, high-pressure water injection and gas injection; the end of the drill rod can be selectively matched with a fully-closed drill bit or a hollow open-close drill bit, and the conventional wall protection grouting, central soil discharge and soil taking hole cleaning operations are considered. The device integrates hoisting, pressurizing, drilling, material conveying and core planting functions, completely solves the disadvantages of the traditional pile foundation construction, such as the fragmentation of the hole guiding, grouting and core planting processes, the single equipment function, the poor pile forming precision, and the weak stratum adaptability, can realize integrated construction of hole guiding, multi-medium wall protection and synchronous core planting, has the advantages of process simplification, strong construction controllability, high pile forming quality, adaptation to various strata, slurry medium and pile type structures, and the comprehensive construction efficiency and engineering applicability are significantly improved.

A multi-directional core-pulling mechanism and mold are disclosed. The multi-directional core-pulling mechanism includes a first slide block, an upper template, and a first core block, a second core block, and a third core block forming an undercut cavity. The upper template is provided with a first guide member and a second guide member, the first guide member being slidably connected to the first slide block. The first core block is fixed to the first slide block, and the first core block is provided with a slidable second slide block, the second slide block being slidably connected to the second guide member, and the second core block being slidably connected to the second slide block. The third core block is movably connected to the first slide block. In this application, the first guide member and the second guide member guide the movement of the first slide block and the second slide block respectively, enabling the first core block, the second core block, and the third core block to perform core-pulling actions along a first direction, a second direction, and a third direction (intersecting in pairs). The multi-directional core-pulling method can accurately adapt to the molding requirements of products with complex undercut structures, improving the molding quality and demolding success rate of the product.

This utility model discloses a multi-axis automatic positioning mechanism for an electro-hydraulic bending machine, belonging to the technical field of bending machines. The multi-axis automatic positioning mechanism for an electro-hydraulic bending machine includes a base, a limiting mechanism on the base for positioning the sheet metal, a fixed seat fixed to the top of the base, two bearing seats mounted on the fixed seat, a drive shaft rotatably connected between the two bearing seats, two connecting seats fixed to the outside of the drive shaft, a flipping plate fixed to the connecting seats, a rubber pad connected to the top of the flipping plate, a drive mechanism on the fixed seat for driving the drive shaft to rotate, and a buffer assembly on the base. This utility model solves the problem that existing automatic positioning mechanisms for bending machines cannot dynamically support the sheet metal. By setting a flipping support structure, this utility model provides real-time support to the bottom of the sheet metal during bending, effectively preventing sagging, displacement, or deformation of the sheet metal due to its own weight or uneven force.

The present application relates to the technical field of polymer material recycling, and particularly relates to a battery PP diaphragm recycling and reprocessing device and a preparation method, which comprises a shell, an extrusion screw rod is installed in the shell, and a power assembly is connected to the end of the extrusion screw rod; a feeding hopper is installed on the shell and is close to one side of the power assembly; an air inlet assembly is installed on the lower side of the shell and is communicated with the inside of the shell, and an air outlet hole is arranged on the upper side of the shell; a heating assembly is sleeved on the outside of the shell; a discharging assembly is installed on the end of the shell and is arranged opposite to the power assembly, and a filter screen assembly is installed in the discharging assembly; and a detection assembly is installed on the shell and is used for detecting the temperature and pressure of the material in the shell.

The application belongs to the technical field of insulation material processing, and specifically relates to an insulation layer material pretreatment device for cable manufacturing, which comprises a sorting unit, a crushing unit and a melting unit. The sorting unit is equipped with a metal detector, a sliding cutter, an extrusion roller and a blowing device, and the metal detector, the sliding cutter, the extrusion roller and the blowing device realize accurate separation of metal impurities, surface impurity removal and water content control. The crushing unit adopts main and auxiliary cutting rollers matched with an automatic speed regulating assembly and a crushing knife group to achieve two-stage uniform crushing. The melting unit is combined with a pushing auger and a waste heat circulation preheating design to realize stable conveying and energy recovery, and solves the problems of incomplete impurity removal, uneven waste crushing particle size, low process dispersion efficiency, insufficient melting stability, resource waste and environmental pollution in the existing insulation layer material pretreatment, realizes efficient impurity removal, uniform crushing, stable melting and resource recycling of the insulation material, and adapts to the demand of large-scale continuous production.

This invention discloses a laser cutting and blanking device for the production of structural components for concrete pump trucks, belonging to the technical field of laser cutting and blanking tools. It includes a combined support frame installed on a working plane, a support seat slidably engaged on the combined support frame, and a material-retrieving mechanism that is lifted and slidably mounted on the support seat. Discharge tables for cooperating with the material-retrieving mechanism are installed at intervals between the combined support frames. Multiple connecting frames are installed at intervals on the combined support frames. Sliding transmission blocks are installed at both ends of the support seat to drive it to slide on the combined support frame. The combined support frame serves as the foundation for the entire machine, ensuring the overall rigidity and stability of the equipment. The sliding transmission blocks can drive the support seat to slide smoothly on the combined support frame, enabling the lateral position of the material-retrieving mechanism to be adjustable, effectively improving the automation level and operating efficiency of the blanking process. Ultimately, it solves the problem of workpiece damage during transport caused by residual molten metal and slag in existing laser cutting and blanking devices.

The utility model relates to an injection molding assembly comprising a metal insert with a positioning cap, the injection molding assembly further comprises an injection molding material, the metal insert is coated in the injection molding material, and the injection molding assembly is characterized in that the positioning cap is made of a plastic material; the positioning cap is fixed at one end of the metal insert; at least one part of the positioning cap is coated in the injection molding material, and the appearance of the positioning cap is matched with that of the injection molding assembly. The utility model further relates to the injection mold.

The utility model discloses a kind of adjustable forming devices of metal bar sheet, including forming frame, the inner wall of the forming frame is fixed with conveying roller, the middle part of the inner wall of forming frame is fixed with first roller element, the top of forming frame is fixed with fixed frame, the inner wall of the fixed frame is slidably equipped with connecting frame.The utility model is equipped with first straightening roller and second straightening roller, distance adjusting component is moved by connecting seat, connecting frame moves through mounting rod and drives moving frame to move, moving frame moves and drives first straightening roller to move, the distance between first straightening roller and second straightening roller is adapted to the distance between two roller elements, the surface wrinkle of metal foil caused by stress concentration can be eliminated by first straightening roller and second straightening roller, so as to improve the forming quality of metal foil, meanwhile, this mode can make the distance between straightening roller and the distance between roller synchronous adjustment, so as to meet different needs.

The utility model relates to the technical field of insulator production, in particular to a synchronous mold opening device for insulator molding, which comprises an upper mold and a lower mold, a molding cavity is arranged between the upper mold and the lower mold, and a material injection port is arranged on the upper mold; the forming mold is composed of a mold base and sliding mold cores, a pair of sliding mold cores are arranged on the mold base in a sliding opening and closing mode, the opening and closing process of the forming mold is completed through opening and closing of the sliding mold cores, and a mounting cavity used for containing an insulator mold blank is formed between the mold base and the pair of sliding mold cores; the lower mold is provided with two mold feeding guide rails, the forming mold is slidably placed on the inner sides of the two mold feeding guide rails, and opening and closing assemblies are arranged at the ends, away from the lower mold, of the two mold feeding guide rails and located on the outer side of the forming mold. According to the utility model, the two sliding mold cores on the forming mold can be automatically and synchronously opened and closed through the opening and closing assembly, and the high consistency and reliability in the opening and closing process of the mold can be effectively ensured, so that the forming precision and the product quality of an insulator are remarkably improved.

The utility model relates to the technical field of die steel casting and forging pieces, and discloses a die steel casting and forging piece with a replaceable die core, which comprises a die shell, a lifting plate is slidably connected to the inner wall of the die shell, a pull rod is slidably connected to the inner wall of the lifting plate, and die core bodies are connected to the two sides of the outer wall of the pull rod through buckle assemblies. And rotary knobs are rotationally connected to the left side and the right side of the inner wall of the lifting plate correspondingly, and the inward ends of the rotary knobs are connected with the mold shell through caliper assemblies correspondingly so as to be used for adjusting the height of the lifting plate. According to the utility model, by rotating the threaded rod I and pulling the pull rod outwards, the limitation on the mold core body can be relieved, and the mold core body can be taken down, so that the operation is simple, the structure is simple, the mold remodeling efficiency and the production stability are greatly improved, the downtime of equipment is reduced, the production time cost is saved, and the molding quality and the yield of products are improved.

The present application relates to prefabricated template technical field, and disclose a kind of segmental beam prefabricated template equipment for ocean engineering construction, including main body and two side molds, the bottom of main body is fixedly connected with two support frames, the bottom of side mold is fixedly connected with rectangular plate.The baffle is further slid upward, can directly tighten the gap generated due to side mold offset, this dynamic sealing of gap, can reduce the impact on side mold due to concrete falling when pouring and the fluid pressure generated by concrete to two side molds, cause small amplitude offset between side mold and main body, resulting in the existence of gap and grout leakage between side mold and main body, improve the flatness between segmental beam when forming, the convenience of post-removing formwork and the forming efficiency of segmental beam.

The application discloses a kind of integral sling pre-arrangement platform hydraulic control system and method, belong to rail transit electromechanical liquid precision control technical field.System uses public oil source+six independent parallel open hydraulic branch architecture, supporting oil source power unit, public auxiliary protection unit, six groups of modular work station execution branch and PLC electric control unit;Each work station differentiates and configures throttle, stepped pressure regulating element, branch built-in hydraulic control one-way valve, cooperate main oil line accumulator, oil cooler and construct two-way locking, dynamic pressure compensation, constant temperature and pressure loop.The application is original mechanical limit, servo negative tolerance cutting, continuous tension error directional transfer process: one side return line is mechanically limited to calibrate reference length, servo hanging column is first operated to theoretical total length negative tolerance position and then cut, so that wire actual length is slightly short;After servo rigid lock main sling size, push cylinder continuous tension will cut, assembly, wire elastic deformation all error be transferred to return section without accuracy requirement.

The utility model belongs to the technical field of cigarette filter stick forming, and particularly relates to a particle filter stick feeding device which comprises a stock bin located above a cigarette gun front bottom plate assembly, a guide groove for a yarn belt to move is formed in the cigarette gun front bottom plate assembly, a protruding strip is arranged at the bottom of the stock bin and extends into the guide groove, and the protruding strip and the inner wall of the guide groove are arranged in a spaced mode. A discharge hole communicated with the interior of the stock bin is formed in the bottom of the convex strip; the material stirring device further comprises a material stirring wheel and a rotary driving part, the material stirring wheel is rotationally arranged in the end, facing the downstream direction of the material guiding groove, of the material bin, an opening is formed in the side wall of the end, facing the downstream direction of the material guiding groove, of the material bin and laterally penetrates through the protruding strip, and the material stirring wheel penetrates through the opening and the discharging opening. The rotating axis of the material stirring wheel is arranged in the width direction of the material guide groove, and the lowest point of the wheel face of the material stirring wheel is lower than the top of the material guide groove. According to the utility model, the discharge of the stock bin is more uniform, the distribution uniformity of particles on the galloon is higher, and the forming quality of particle filter sticks can be improved.

The application discloses an insect exoskeleton morphological layup composite panel, a sandwich structure and a preparation method. The sandwich structure comprises two pieces of bionic layup composite panels and a piece of aramid honeycomb core layer. The bionic layup composite panel draws lessons from the spiral stacking microstructure of the insect exoskeleton, the layup design considers the symmetry and balance requirements of the composite material, a fixed rotation angle is introduced between adjacent fiber layers, and the rotation angle is taken as a period of 180 degrees, and after a plurality of periods are laid and heat-pressed and cured, the bionic layup composite panel is obtained. The bionic layup design effectively reduces the interlaminar shear stress of the composite material, weakens the inherent anisotropy of the composite material, and improves the transverse bearing capacity and impact resistance. The bionic layup composite panel and the aramid honeycomb core layer have the advantages of high specific strength, high specific stiffness, impact energy absorption, vibration and noise reduction, electromagnetic shielding and the like, and a structure and function integrated material with more excellent comprehensive performance is obtained, and the structure and function integrated material is expected to be widely used in main load-bearing structures of various spacecrafts.

The utility model discloses a slide block glue feeding structure of a plastic mould, which comprises a diving gate assembly and a slide block of the mould, the diving gate assembly comprises a diving port and a runner, the runner is arranged in an upper mould of the mould, the diving port is arranged in the slide block, and when the mould is closed and the slide block enters a core, the runner is arranged in the slide block. The diving opening is communicated with a cavity of the injection mold, a connecting section is arranged between the diving opening and the runner, the end, away from the cavity, of the diving opening is communicated with the end, located in the mold, of the runner through the connecting section, and the connecting section is vertically arranged; the diving opening is obliquely arranged relative to the horizontal plane, and the included angle between the diving opening and the connecting section is an obtuse angle. According to the utility model, the arrangement of cold runners is reduced, the length of the whole runner is shortened, and the forming period is shortened, so that the efficiency is improved.

The utility model belongs to the technical field of molds, and relates to an injection mold for a storage box body with imitation sewing leather patterns. The storage box body forming mold comprises a storage box body forming lower mold and a storage box body forming upper mold, and an injection molding piece is arranged above the storage box body forming upper mold. In the using process, the pattern forming grooves and the stitch-imitating leather pattern forming protrusions are correspondingly arranged on the upper mold and the lower mold, stitch-imitating leather patterns can be accurately formed on the surface of the storage box body, and then due to the optimized design of the rotating shaft forming structure, the pattern forming efficiency is improved. The rotating shaft positioning convex block is matched with the rotating shaft positioning groove, and the rotating shaft forming middle cavity is matched with the rotating shaft forming middle bulge, so that the main body, the rotating shaft and the surface with unique textures of the storage box body can be integrally formed, the production efficiency is improved, the subsequent processing procedures are reduced, the production cost is reduced, and meanwhile, the product quality is improved. And the size precision and the forming quality of the product are guaranteed through precise matching of all the parts.

The invention relates to the technical field of high-activity metal powder, in particular to high-environmental-stability aluminum-lithium alloy powder and a manufacturing method and application thereof.The high-environmental-stability aluminum-lithium alloy powder comprises, by weight, 1.0-10.0 wt.% of Li, 1.0-10.0 wt.% of Al, 1.0-10.0 wt.% of Ti, 1.0-10.0 wt.% of Ti, 1.0-10.0 wt.% of Ti, 1.0- 0.1 to 5.0 wt.% of Zr; 0.01 to 2.0 wt.% of Ti; 0.05 to 3.0 wt.% of RE; wherein RE is a rare earth element and at least comprises Y, Ce, La or a combination thereof, the sum of Zr, Ti and RE does not exceed 8.0 wt.%, and the balance is Al and inevitable impurities. The method has the effect of improving the use stability and the machining consistency of the aluminum-lithium alloy powder.

The invention discloses a built-in concrete distributing device and method for a tubular pile steel mold. The device comprises a material receiving assembly, a material distributing assembly, a stirring assembly and an additive spraying assembly. And a loading vehicle of the material receiving assembly bears the lower template with the built-in reinforcement cage to move. A discharging pipe of the material distribution assembly can axially stretch into the reinforcement cage for center material distribution, and concrete is prevented from being attached to stirrups. The stirring assembly synchronously vibrates and stirs during material distribution through an adjustable stirring rod, and it is ensured that concrete is uniform and compact. The admixture can be added into the admixture spraying assembly according to needs. The using method comprises the steps that the reinforcement cage is positioned, and the discharging pipe extends into the reinforcement cage; carrying out material distribution, synchronous stirring and additive spraying; and closing the mold after completion. The problems that concrete adheres to ribs, distribution is uneven, and performance regulation and control are inconvenient are solved, and the production efficiency and the forming quality of the pipe pile are improved.

The utility model relates to the technical field of front mold submersible gates, and discloses a front mold submersible gate anti-residue injection mold which comprises a mold box, an adjusting mechanism is arranged on the inner wall of the mold box, a compatible mechanism is arranged at the bottom of the front side of the adjusting mechanism, and a fixing assembly is arranged on the left side of the inner wall of the mold box. A cooling mechanism is arranged on the left side of the outer wall of the mold box, the adjusting mechanism comprises a base, a compatible mechanism is arranged at the top of the base, a limiting cylinder is fixedly connected to the top of the compatible mechanism, a spring is slidably connected to the outer portion of the limiting cylinder, and a circular clamping device is fixedly connected to the top of the limiting cylinder. According to the utility model, the heater can heat the die, improve the flowability of materials and improve the forming quality, the motor rotates to drive the whole to more uniformly model, accelerate the forming and improve the production efficiency, and as a whole, the die improves the production stability through the synergistic effect of all the mechanisms.

The utility model provides a novel injection chamber vulcanizing machine hydraulic device with prevent spilling material structure, include: hydraulic component and prevent overflow subassembly, prevent overflow subassembly installation through hydraulic component telescopic installation in injection subassembly inside, and hydraulic component includes mounting piece and is used for hydraulic prevent overflow subassembly's hydraulic push rod, prevent overflow subassembly includes mounting rod and prevent overflow head, compared with prior art, the utility model has the beneficial effects as follows: through setting prevent overflow subassembly, when using, compression spring then gives prevent overflow head self -adaptation adjustment ability, can adjust sealing degree in real time according to the change of rubber injection pressure, at this time, the cooperation of hydraulic component both, can prevent rubber overflow efficiently, improve product forming quality, can also adapt to different working condition demand, reduce equipment maintenance cost, ensure that vulcanization process is stable, efficient operation.

The utility model discloses multi-color injection molding bottle cap forming equipment, which belongs to the technical field of injection molding equipment, and adopts the technical scheme that the multi-color injection molding bottle cap forming equipment comprises a bottle cap injection molding machine main body, and conveying pipes are arranged on the front side and the rear side of the right side of the top of the bottle cap injection molding machine main body; the preheating assembly is arranged, the humidity sensor and the temperature sensor are used for monitoring the humidity and temperature of injection molding raw materials in the hopper in real time, data are fed back to the controller, the controller regulates and controls the heating temperature of the electric heating pipe in real time according to the feedback, and the heating temperature of the electric heating pipe is controlled in real time; the raw materials are preheated or dried, so that plastic particles reach a preset temperature range before entering the conveying pipe, the subsequent melting time in the conveying pipe is shortened, the production cycle and energy consumption are reduced, meanwhile, the injection molding temperature uniformity is guaranteed, and the defect risks of bubbles, degradation and the like caused by water are reduced.

This utility model provides a carbon fiber paper molding device, relating to the field of carbon fiber paper material processing technology. Specifically, it includes an upper carbon fiber paper mold and a lower carbon fiber paper mold. U-shaped plates are fixedly installed on corresponding sides of the lower carbon fiber paper mold. Hydraulic rods are installed on the top of both U-shaped plates, penetrating and fixedly connected to them. The output ends of both U-shaped plates are fixedly connected to the upper carbon fiber paper mold. This application utilizes multiple pressure units at the bottom of the pressure plate, through the coordinated action of a servo motor, lead screw, pressure sensor, and execution pressure head, to achieve independent and precise pressure control of different areas of the carbon fiber paper. The servo motor drives the lead screw to move the execution pressure head. Combined with real-time feedback from the pressure sensor, the pressure in each area can be flexibly adjusted according to the characteristics of the carbon fiber paper and molding requirements, effectively avoiding molding defects caused by uneven local pressure and significantly improving the molding quality of the carbon fiber paper.

The utility model relates to the technical field of composite self-heat-preservation building block production equipment, and discloses a forming device for composite self-heat-preservation building block production, which comprises a forming platform, and a first forming die and a second forming die are uniformly placed on the surface of the top of the forming platform. Scraping assemblies are arranged in the first forming mold and the second forming mold correspondingly, each scraping assembly comprises a fixing block, guide holes are formed in the surfaces of the fixing blocks correspondingly, guide rods are arranged in the fixing blocks correspondingly, and limiting blocks are fixedly connected to the surfaces of the tops of the guide rods correspondingly; the surfaces of the bottoms of the four guide rods are jointly and fixedly connected with a concentric-square-shaped mounting plate, and the surfaces of the outer side walls of the concentric-square-shaped mounting plate are fixedly connected with concentric-square-shaped scrapers. According to the utility model, through the arrangement of the scraping component, residual redundant materials on the inner walls of the first forming mold and the second forming mold can be quickly cleaned after demolding, so that the cleaning time is greatly shortened, and the production efficiency is improved.

The invention relates to the technical field of suspension bridge main cables, in particular to a method for erecting a continuous type suspension bridge main cable reference strand with an anti-sliding shear key, the reference strand is made of full-high-precision standard wires, and a continuous full-length type cable manufacturing mode is adopted. Comprising the following steps that S1, starting point mark points and terminal point mark points of all standard wires of a reference cable strand are aligned; s2, shear keys are fixedly installed at the span points of the reference cable strand, and the shear keys are matched with reserved notches of the cable saddle; s3, temporary fixing is conducted on the base line length marking position of the reference cable strand, and the reference cable strand is wound with a wrapping tape; and S4, temporary fixation is removed, the steel wires in the strands freely slide, and after the cable strands are stressed, the standard cable strands are erected with the average length naturally formed after standard wire length self-adaption as the length of the standard cable strands. According to the erecting method, the intra-strand error is effectively reduced, high-precision erecting can be achieved only by aligning the shear keys with the notches on site, sag adjustment is not needed, and the construction efficiency is improved.

The invention discloses a multi-directional flour stirring device for dough processing, and belongs to the related technical field of food processing.The multi-directional flour stirring device comprises a supporting base and a fixed vertical plate, the fixed vertical plate is fixedly installed at the rear top of the supporting base, and a stirring barrel is fixed to the front portion of the fixed vertical plate through a turnover mechanism; a stirring mechanism is arranged in the stirring barrel, an up-down driving mechanism is connected to the top of the stirring mechanism, a transverse moving mechanism used for driving the up-down driving mechanism to transversely move is further fixedly installed on the front portion of the fixed vertical plate, and the up-down driving mechanism is slidably connected with the fixed vertical plate and located on one side of the transverse moving mechanism; the welding end of the welding gun is located right behind the protective cover, and a guide sleeve is fixed to the outer portion of the welding gun. The multi-directional stirring operation during dough preparation can be achieved, the stirring structure is simplified, the dough adhesion situation can be reduced when the stirring structure is taken out, and subsequent dough taking-out is facilitated.

The application belongs to the technical field of chemical fiber and textile, and discloses a multi-roller oiling device and application thereof. The multi-roller oiling device comprises an oil nozzle, an oiling pump, a first oil roller, a second oil roller and a skin pressing roller which are located in the wire passing channel of the oil nozzle. The second oil roller is located below the first oil roller, the rightmost sides of the two are located on the same vertical plane and are located on the right side of the left side wall, and the rotating directions of the two are the same. The skin pressing roller is located on the right side of the second oil roller, a gap is left between the two, and the rotating directions of the two are opposite. The left side wall of the oil nozzle is provided with an oil inlet and an oil outlet, the upper surface of the protruding part of the oil nozzle is provided with a C-shaped groove connected with the oil outlet, and the first oil roller is embedded in the C-shaped groove. The cross section of the first oil roller is composed of a center circle and a plurality of C-shaped lines. The preparation method of the profiled fiber is as follows: polyester melt extrusion, cooling and forming, oiling and winding and forming. The quality and efficiency of the preparation of the profiled fiber are improved.

The application relates to the field of casting molds, in particular to a casting mold facilitating mold stripping for casting production, which comprises a base, the top end of the base is fixedly connected with a first driving platform, the top end of the first driving platform is symmetrically and slidably connected with two sliding frames, the compression cavity, the compression seat, the first rack, the gear and the second rack are arranged, when the sliding frames continue to compress the first spring during mold closing, the second rack drives the first rack and the compression seat to move through the gear, negative pressure is generated in the compression cavity and the open cavity, the gas generated when the metal melt fills is continuously sucked and discharged, the defects such as pores and empty bags on the surface or in the interior of the casting are avoided, and the casting forming quality is improved; meanwhile, positive pressure is generated in the compression cavity during mold opening, the contact surface between the sand core and the inner wall of the mold cavity is blown by the gas, the adhesion generated due to high-temperature sintering is reduced, and therefore the sand core can be smoothly stripped.