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14results about How to "Avoid uneven wall thickness" patented technology
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Plant fiber molding pulp suction device
PendingCN119571678AAvoid uneven wall thicknessSolve Thickness ProblemsTextiles and paperPlant fibrePulp and paper industry
The invention provides a plant fiber molding pulp suction device. The plant fiber molding pulp suction device comprises a pulp tank, a rack assembly, a transplanting mechanism and a pulp suction assembly, the transplanting mechanism is arranged on the rack assembly and is positioned above the pulp tank; a forming cavity is formed in the pulp suction assembly, a cavity opening of the forming cavity faces the liquid level of the pulp chest, and pulp enters the forming cavity through the pulp opening so as to complete pulp suction operation; the pulp suction device comprises a pulp suction assembly and a transplanting mechanism, the pulp suction assembly is connected with the transplanting mechanism, the transplanting mechanism drives the pulp suction assembly to lift up and down so that the pulp suction assembly can go deep into or be far away from the liquid level of the pulp chest, and the pulp suction assembly is connected with external control equipment and is matched with the transplanting mechanism so as to control the pulp suction device to complete pulp suction operation. According to the plant fiber molding pulp suction device, it can be guaranteed that the wall thickness of a container product is uniform, the product percent of pass of the container product is increased, and the market requirement is greatly met.
Owner:MASTERWORK GROUP CO LTD
Hot-rolled seamless steel pipe and wall thickness controllable machining process thereof
InactiveCN119220910Aquality improvementUniform wall thicknessFoundry mouldsHeat treatment process controlControl systemEconomic benefits
The invention provides a hot-rolled seamless steel pipe and a wall thickness controllable processing technology thereof, and aims to solve the problem that the wall thickness of a steel pipe is difficult to accurately control in the prior art. Real-time monitoring and control over the wall thickness of the steel pipe are achieved, so that the wall thickness precision is remarkably improved, raw material components of the seamless steel pipe comprise C, Si, Mn, P, S, Cr, Mo, Ni and Fe, the wall thickness range of the seamless steel pipe is 5-20 mm, and the preparation technology comprises the steps of raw material proportioning, vacuum smelting, mold cylinder preheating and coating treatment, wall thickness laser measurement, rotating speed regulation and control forming, annealing, forced cooling treatment and the like. Through 300-600 times of high-frequency wall thickness measurement per second, the wall thickness uniformity and precision of the steel pipe in the whole production process are ensured in combination with rotating speed regulation and forced cooling, and finally the product quality and economic benefits are improved.
Owner:JIANGSU FANLI STEEL TUBE
Method for controlling wall thickness of wax mould of complex hollow single crystal turbine blade and wax mould
ActiveCN119525429AAchieve positioningreduce positioningFoundry mouldsUsing subsonic/sonic/ultrasonic vibration meansTurbine bladeSingle crystal
The invention relates to the technical field of precision casting, in particular to a method for controlling the wall thickness of a wax mold of a complex hollow single crystal turbine blade and the wax mold. According to the method, ceramic cores are screened by obtaining the profile size of the sections, corresponding to the wall thickness points of the wax mold, of the ceramic cores; then, positioning bosses are matched with positioning holes, the screened ceramic mold cores are placed in a wax mold for positioning, wax is injected into the wax mold, and a blade wax mold is manufactured; detecting the wall thickness of a blade wax mold and the wall thickness of a corresponding casting, and obtaining a wall thickness change value; and finally, according to the wall thickness change value, the maximum value and the minimum value of the wall thickness of each detection point of the wax mold are obtained, so that the wall thickness of the wax mold produced subsequently is accurately controlled, the casting wall thickness out-of-tolerance caused by improper wax mold wall thickness control requirements is avoided, and the casting wall thickness qualification rate is increased. The problem that in the prior art, due to shrinkage of a ceramic core, the wall thickness of a wax mold of the single-crystal turbine working blade cannot meet the process requirement is solved.
Owner:AECC AVIATION POWER CO LTD
Internal insulation steel pipe special cable and four-groove roller reducing mill thereof
PendingCN121768748AIncreased torsional strengthImprove cooling efficiencyInsulated cablesCable/conductor manufactureTorsional strengthElectric cables
The invention discloses an internal insulation steel pipe special cable and a four-groove roller reducing mill thereof, and relates to the technical field of cables, the cable comprises a steel pipe layer and convex ribs integrally processed on the outer surface of the steel pipe layer; the reducing mill comprises a fixing ring; the rolling assembly is rotationally installed in the fixing ring, the rolling assembly comprises a rotating ring and four rollers distributed in the rotating ring in a surrounding mode, and a gap used for extruding a steel pipe layer of the cable to form a convex rib is formed between every two adjacent rollers; and the driving assembly is used for driving the rolling assembly to rotate in the fixing ring so as to form a convex rib which extends in the axial direction and is of a linear structure or a spiral structure on the surface of the cable. According to the invention, through the relation between the revolution speed of the roller and the advancing speed of the cable, the convex ribs with axial linear structures or the convex ribs with different leads and spiral structures can be flexibly processed, the torsional strength, the heat dissipation efficiency and the installation guidance quality of the special cable in different laying environments are improved, and the customization requirements of high-end markets are met.
Owner:JIAXING JIECHENG MACHINERY
A wax injection mold for a condenser water pump
The utility model discloses a kind of wax injection moulds for condensate water machine pump, including the first mould body with first cavity, the second mould body with hollow cavity being cooperatively arranged above the first mould body and mould core, and first cavity and hollow cavity can be spliced one for the main cavity of forming mould main body;First side plug block and second side plug block are detachably connected with the front and back sides of main cavity respectively, first side plug block and second side plug block can be cooperated with main cavity to be used for forming lug ear;Mould core has a with main cavity adaptation male mould core, the both ends of male mould core are respectively with first plug block and second plug block abut, recessed portion is provided on male mould core, which is inward recessed to be used for forming runner hole, one side of recessed portion is provided with a first cavity forming portion, main cavity is provided with the second cavity forming portion adapted with first cavity forming portion, first cavity forming portion and second cavity forming portion are used for forming the cavity of wax mould, the complex structure of condensate water machine pump wax mould can be synchronously formed, and product precision is improved.
Owner:HUBEI ZHONGHE METALLURGICAL MASCH MFG CO LTD
Auxiliary tool and method for correcting wall thickness of cylindrical pressure vessel part
ActiveCN119140756AAvoid uneven wall thicknessImprove pass rateNuclear energy generationMetal-working apparatusLanternScrew thread
The invention discloses an auxiliary tool and method for correcting the wall thickness of a cylindrical pressure vessel part, aims to solve the technical problems that an inner cavity cannot be machined, the wall thickness is difficult to adjust and the wall thickness cannot be ensured due to the fact that two end openings of a cylindrical pressure vessel are small, and relates to wall thickness correction of a forged cylindrical pressure vessel rib part which is strict in wall thickness requirement and cannot be machined in the inner cavity. Belongs to the technical field of machining. The auxiliary tool for correcting the wall thickness of the cylindrical pressure vessel type part comprises a lantern ring and a stud, a threaded hole is formed in the circumferential face of the lantern ring and assembled with one end of the stud, a dial is arranged on the periphery of the threaded hole, and the numerical value of a circle of the dial is the same as the thread pitch of the stud. Meanwhile, the invention discloses a cylindrical pressure vessel part wall thickness correction method, and the problem that local thin points of different degrees still exist in inner cavities of individual cylindrical pressure vessels after an axis adjustment method is adopted is solved through an extrusion correction method of the correction assistive device.
Owner:SHANXI PINGYANG IND MACHINERY
Three-way catalyst reducer shaping tool composite mold set
ActiveCN122142181AAchieve assembly accuracyAvoid size lossShaping toolsStructural engineeringMechanical engineering
The application discloses a three-way catalyst reducer shaping tool composite die set, which comprises a fixed die seat, the upper end face of which is provided with a lower die seat in parallel, two symmetrically arranged side die frames, which are symmetrically fixed on the fixed die seat and located on the two sides of the lower die seat, an upper stamping seat arranged above the fixed die seat, a first forming die set and a second forming die set, each of which is composed of two model plates arranged in an up-down mode, a die closing mechanism arranged below the lower die seat, and a plurality of reducer units, each of which is arranged at two reducer shaping ports of the first forming die set and the second forming die set. The double die set design of the application combines pre-reducing with accurate reducing, step-by-step forming is realized, size out-of-control caused by single large deformation is avoided, and a micro dynamic spinning shaping force is applied to the inside of the shell, so that the rebound is significantly reduced and the size stability after reducing is ensured.
Owner:盐城斯凯奇自动化设备有限公司
Laser diameter measuring and correcting device for seamless steel pipe
The utility model relates to laser diameter measuring correction technical field, and disclose a kind of laser diameter measuring correction device for seamless steel pipe, including box body component, wherein the inside of box body component is installed with rotating assembly, the inside of box body component is installed with lifting assembly, the upper portion of lifting assembly is installed with fixed component, and the inside of fixed component is connected with annular distribution telescopic diameter measuring assembly;Telescopic diameter measuring assembly includes multistage electric push rod, fixed disc and transmission rod, wherein multistage electric push rod is fixedly installed on the front wall of disc, fixed disc is fixedly installed on the output end of multistage electric push rod, and the outer wall of fixed disc is movably sleeved with one end of transmission rod;Be equipped with telescopic diameter measuring assembly, be favorable to the position of dynamic adjustment measuring probe, can accurately adapt to the seamless steel pipe of different outer diameter, without frequent replacement equipment can cover the production demand of multiple specifications, improve production line flexibility.
Owner:安徽甬灵达钢管股份有限公司
Starch utensil mold
The utility model relates to tableware production mould technical field discloses a kind of starch tableware mould, including outer mould and inner mould, outer mould and inner mould are made of breathable steel, outer mould is sleeved on inner mould, and the inner cavity surface of outer mould and the outer surface of inner mould are formed between interval defined space, starch material for making tableware is filled in defined space, the utility model provides a kind of starch tableware mould, outer mould and inner mould are made of breathable steel, the water vapor produced in the high-temperature high-pressure forming process of breathable steel's breathable performance can be made starch material pass through mould and discharge quickly, avoid forming high-pressure air cavity and gas trapping phenomenon in mould inside;Defined space is formed by outer mould sleeveing inner mould, so that starch material filling position and range are fixed, guarantee the even distribution of pressure in forming process, to solve the problem of uneven tableware wall thickness caused by water vapor cannot be discharged in time smoothly, improve tableware structural strength and service performance.
Owner:SHANGHAI ESU LASER TECH CO LTD
Die-pressing elbow die and equipment thereof
InactiveCN119635920Aavoid skewavoid anglesTubular articlesStructural engineeringMechanical engineering
The invention relates to the technical field of elbow forming dies, in particular to a die-pressing elbow die and equipment thereof.The die comprises an outer die shell, a die core, a feeding cylinder and a plugging die, the die core comprises connecting flange heads located at the top end and the bottom end, and a plurality of shrimp bending die cores are arranged between the upper connecting flange head and the lower connecting flange head; flange rings are arranged on the inner walls of openings in the two ends of the connecting flange head and the mitre bend mold cores, a plurality of positioning screw holes are distributed in the flange rings at equal angles, every two adjacent mitre bend mold cores are positioned by inserting a plurality of bolts into the positioning screw holes of the flange rings, and locking nuts are installed on the bolts. According to the technical scheme, the number of the mitre bend mold cores is designed to obtain the elbow pipes with the same center circle, the same radius and different bending angles, and the problems that in the manufacturing process of the large-diameter elbow pipes, the wall thickness is not uniform, and demolding is difficult are solved.
Owner:ANHUI XINFULONG CHEM EQUIP CO LTD
Combined die for producing single-axis symmetric metal profiles
ActiveCN222268260UAvoid uneven wall thicknessavoid wastingExtrusion diesDimensional precisionMetal flow
The utility model discloses a combined die for producing a uniaxial symmetrical metal section bar, which comprises an extrusion die, a die support, an extrusion needle and a die holder, the extrusion die comprises a first hole cavity, a first balance hole and a first positioning hole, and the die support comprises a second hole cavity, a second balance hole and a second positioning hole. The extrusion die and the extrusion needle form a pipe cavity, the extrusion die, the extrusion needle and the pipe cavity are coaxial, and a positioning groove for placing the extrusion die and the die support is formed in the die holder. According to the utility model, the problem of unbalanced metal flow when a hot extrusion process is used for producing uniaxial symmetric metal sections is solved, serious bending and uneven wall thickness of a product are avoided, the dimensional accuracy and the performance stability of the product are improved, the die is convenient to replace, a round bar extruded by the balance hole can be used for other purposes, and the production cost is reduced. The utility model is suitable for the production of single-axis symmetric metal profiles.
Owner:HANDAN XINXING SPECIAL TUBING CO LTD
Connecting arm floating type centering device
PendingCN119658409AAvoid uneven wall thicknessAchieve floating centering effectPositioning apparatusMetal-working holdersClassical mechanicsStructural engineering
Owner:HUBEI TRI RING FORGING
A method for integrally injection molding a plastic wind deflector and a mold therefor
ActiveCN121777352BAccurately determine contact statusAvoid color cross-overCapacitanceProcess engineering
The application relates to an integrated plastic wind guide cover injection molding method and a mold thereof, and relates to the technical field of injection molds.The method comprises the following steps: collecting mold information and oil information in response to a mold closing completion signal; determining a connecting portion wall thickness, a contact threshold value and a breaking value according to the mold information; matching an oil threshold value through the oil information; controlling an oil brush preset below a blade to move upwards and collecting a capacitance value until the capacitance value is greater than the breaking value, and defining the capacitance value at the moment as a contact capacitance value; controlling the blade to move based on the connecting portion wall thickness; injecting glue into a hard glue cavity in response to a blade stop signal; controlling the blade to reset based on the connecting portion wall thickness in response to a cooling completion signal, and then injecting glue into a soft glue cavity, and completing integrated injection molding operation after cooling. The application has the effects of avoiding color mixing and improving product quality.
Owner:GEYEE MOULD CO LTD HUANGYAN TAIZHOU
Self-adaptive compensation clamp
PendingCN121798399AAvoid uneven wall thicknessAvoid overcuttingPositioning apparatusMetal-working holdersMachining deformationClassical mechanics
According to the self-adaptive compensation clamp, an X-Y direction compensation module is formed by the first linear sliding rail and the second linear sliding rail which are perpendicular to each other in direction, displacement deviation, generated by stress release, of a workpiece in the horizontal plane is absorbed and compensated, rigid constraint of a traditional bolt pressing plate is replaced, and meanwhile the self-adaptive compensation clamp has the advantages of being simple in structure and convenient to use. A Z-direction height and angle self-adaptive mechanism is formed by matching a plurality of adjusting cylinders capable of independently and axially stretching out and drawing back at the bottom of the first self-adaptive unit with the connecting unit, and the Z-direction height and angle self-adaptive mechanism can actively fit workpiece bending and torsion caused by self-weight or stress release, so that self-weight deformation is effectively resisted; and finally, a clamping air cylinder and a clamping arm which are integrated in a connecting unit are used for locking an adjusting cylinder, and a locking device at the bottom is used for locking the position of an X-Y compensation module, so that stable support is provided for finish machining, the phenomena of non-uniform wall thickness and over-cutting of the web plate are avoided, multi-dimensional self-adaptive compensation and accurate locking of machining deformation of the large thin-wall part are realized, and the machining precision of the large thin-wall part is improved. And the size precision and the shape precision of final machining are also ensured.
Owner:NORTH CHINA INST OF AEROSPACE ENG