95results about "Gear wheels" patented technology

The invention discloses an automatic copper pipe tooth rolling production line, and belongs to the technical field of copper pipe tooth rolling machining. The gear rolling production line comprises a plurality of gear rolling machines, a feeding line and a feeding assembly. The feeding assembly comprises a feeding conveying mechanism, a jacking distributing mechanism, a feeding buffering mechanism and a longitudinal conveying mechanism. The feeding conveying mechanism comprises a feeding frame and a plurality of feeding conveying units, the feeding temporary storage mechanism comprises a feeding temporary storage frame, and a temporary storage part of the feeding temporary storage frame and a bearing surface of a discharging guide part are obliquely arranged; the jacking and distributing mechanism comprises a jacking and distributing unit, and the jacking and distributing unit comprises a first-stage jacking frame and a second-stage jacking frame. The position layout of the tooth rolling machines is reasonable, the space of a plant workshop is fully utilized, the feeding requirements of multiple tooth rolling machines can be met by arranging the feeding assembly on one layer and one feeding line in the workshop, the production rhythm of the multiple tooth rolling machines can be met, copper pipes are stable, reliable and high in conveying efficiency in the conveying process, the falling risk is avoided, and the production efficiency is improved. And the safety of equipment and personnel is ensured.

To prevent welding burrs from blowing out even when a pulley body and a flange body are joined by ultrasonic welding.SOLUTION: A pulley body 2 includes: a first flange protruding radially outward RO at one end in an axial direction J; and a fitting protrusion 4 protruding in the axial direction J at the other end in the axial direction J. A flange body 3 includes: a second flange protruding radially outward RO; and a fitting concavity 5 fitted to the fitting protrusion 4. A radially inward RI portion of a deep surface 5C of the fitting concavity 5 is an inclined surface S1 that inclines so as to approach the one end in the axial direction J as it goes radially inward RI. The radially inward RI portion of a distal end surface 4A of the fitting protrusion 4 has an inclined surface S2 opposite to the inclined surface S1. An outer circumferential surface 6A of the flange body 3, which faces an inner circumferential surface 2C of the pulley body 2, has an endless protrusion A1 continuous in a circumferential direction. In a region including an annular range between the inclined surfaces S1 and S2, there is a junction E made of molten resin.SELECTED DRAWING: Figure 4

A power transmission resin gear 1 includes an annular resin part 3 having, on an outer peripheral surface thereof, teeth 10 of a gear. The annular resin part 3 includes an annular inner resin member 4 that covers an outer periphery of a core metal 2 and an annular outer resin member 5 that covers an outer periphery of the annular inner resin member 4. The annular inner resin member 4 has a plurality of axially downgauged portions 6 arranged at intervals in a circumferential direction. The annular outer resin member 5 has filling portions 8 respectively filling the axially downgauged portions 6 and an axial surface covering portion 9 that is located radially inward RI of a tooth side 10C of the teeth 10 and covers the filling portions 8. According to the power transmission resin gear 1, deformation of a molded product due to forcible removal can be reduced without preparing a special tooth shape.

The invention relates to the technical field of injection molds, and particularly discloses a hydraulic injection mold of a plastic gear, which comprises an upper mold plate and a lower mold plate, and further comprises a dynamic spraying mechanism for spraying the inner surface of a gear mold core, the dynamic spraying mechanism comprises an air cylinder, a reducing sleeve and a storage disc, the air storage cylinder, the reducing sleeve and the material storage disc are all located at the central axis position of the gear mold core; and the auxiliary follow-up mechanism is used for transferring the dynamic spraying mechanism. A dynamic spraying mechanism is arranged, a servo motor is used for driving a driving shaft to drive a driving gear to be in meshing transmission with a driving gear ring, a material storage disc rotates at the position of a center shaft of a gear mold core, meanwhile, a release agent is sprayed from multiple nozzles in multiple directions under the action of air pressure provided by an air storage cylinder, and all parts of the inner surface of the gear mold core are evenly covered; local accumulation or loss of the release agent is avoided, and the problem that the surface smoothness and quality stability of a finished product are affected by uneven spraying is solved.

The present application is to provide a method of molding a fiber reinforced resin impeller and a method of molding a fiber reinforced resin gear, which can monitor in real time.In the method of molding the fiber reinforced resin impeller in which fiber reinforced resin is injected from a plurality of gates of a metal mold to mold the fiber reinforced resin impeller which includes a drum and a plurality of blade portions arranged on the outer circumference of the drum, the temperatures of resin are measured by temperature sensors arranged near a plurality of gate portions of the metal mold which correspond to the blade portions; rise timings are measured per one time of temperature waveforms collected by the temperature sensor; and the respective rise timings of the temperature sensors are compared and monitored.

The application relates to the technical field of injection molding and discloses a rapid-forming automobile key precision injection mold and a processing method, which comprise a movable mold and a fixed mold, the upper portion of the movable mold is provided with a stirring device, the stirring device stirs and injects raw materials, and the raw materials are injected into the movable mold; the upper portion of the stirring device is provided with a top plate, a pushing motor is installed at the center position of the top plate, and the pushing motor is used for pushing the stirring device and the movable mold to move up and down; the bottom portion of the fixed mold is provided with a cooling tank, the fixed mold is placed on the cooling tank, and cooling liquid is injected into the cooling tank; the fixed mold is composed of two lower molds, two positioning plates and a supporting plate, the bottom portion of the supporting plate is fixedly installed with a stand column, the stand column is fixedly installed in the cooling tank and is used for supporting the supporting plate, the middle portion of the lower mold is designed as a convex block, the two convex blocks and the supporting plate form a convex structure, the bottom portion of the movable mold is designed as a concave structure, the convex structure and the concave structure form a mold cavity, and the mold cavity is used for automobile key precision injection molding.

This invention discloses a gear mold, an in-cavity sensing structure, a measurement system, and a measurement method. The gear mold includes at least one mold wall constituting the gear mold cavity. The in-cavity sensing structure includes a temperature sensing component and a pressure sensing component. The temperature sensing component includes at least a plurality of probes arranged in an array along key cavity positions. The key cavity positions include at least two of the gear's tooth tip forming area, tooth root forming area, and gate area. The pressure sensing component includes at least a plurality of ejector pins arranged in an array below the gear mold cavity. One end of each ejector pin abuts against a pressure sensing element. The probes are electrically connected via lead wires passing through the mold wall, and the pressure sensing element is electrically connected via a lead wire storage portion pre-embedded in the gear mold. Through an integrated sensing array layout deeply coupled with the gear mold structure, synchronous, direct, and in-situ monitoring of multi-point temperature and distributed pressure within the cavity during the precision gear injection molding process is achieved.

The utility model discloses a PEEK gear rubber coating rotation stopping structure which comprises a base, the upper end of the base is fixedly connected with a vertically-arranged supporting plate, the back face of the supporting plate is fixedly connected with a support arranged in a square shape, the inner bottom of the support is fixedly connected with a servo motor, and the servo motor is fixedly connected with a rotating shaft. The tail end of an output shaft of the servo motor is fixedly connected with a vertically-arranged worm, the upper end of the worm is rotationally connected with the inner top of the support, a worm wheel meshed with the worm is transversely arranged in the support, and a transversely-arranged rotating rod is fixedly inserted into one end of the worm wheel. One end of the rotating rod penetrates through the worm gear and is rotationally connected with the inner side wall of the support, the front face of the supporting plate is fixedly connected with a longitudinally-arranged supporting column, and a circular containing groove is formed in the supporting column. Through ingenious design of mechanisms such as the clamping blocks and the lead screws, effective clamping and rotation stopping of gears of different specifications are achieved, meanwhile, the self-locking anti-loosening characteristic is achieved, the practical performance is remarkably improved, and the application range is widened.

The rolling apparatus (1) is configured to execute a control content for producing a test piece (61) by forming fixed-side streaks (62) and moving-side streaks (63) in a base material (60), and a control content for receiving an inputted positional deviation amount between groove center lines of the moving-side streaks (63) and virtual groove center lines (W) of the fixed-side streaks (62), and then for calculating and outputting a correction movement amount, based on the positional deviation amount, for use in correcting and adjusting the moving flat die (4) at a top dead center thereof. Further, the rolling apparatus (1) is configured to execute a control content for receiving and outputting an input of bite depths(T) of the fixed-side streaks (62) and moving-side streaks (63) in the test piece (61).

The utility model relates to worm shaft processing technical field, and disclose a kind of worm shaft cold extrusion processing device, including support frame, the top of support frame is fixed with operating box, first extrusion roller is rotatably arranged in operating box, second extrusion roller is movably arranged in operating box. First telescopic rod drives movable frame to move horizontally along sliding slot, realize the adjustment of the distance between first extrusion roller and second extrusion roller, satisfy the processing demand of different specifications worm shaft. In the adjustment process, first spiral bevel gear and spline shaft are slidably connected through the bar slot, to ensure that second extrusion roller can still receive power through gear meshing after displacement. The mechanism of cooperating second mounting rod directly driving first extrusion roller is realized, two rollers are synchronously counter-rotated, the influence of adjustment gap on transmission stability is eliminated, the combination of dynamic adjustment and continuous power transmission makes the device adapt to multi-specification workpieces while maintaining the stability of cold extrusion process.

To provide an improved extruder screw.SOLUTION: An extruder screw consisting of a screw shaft (1) and a plurality of screw elements detachably mountable or mounted on the screw shaft (1), wherein the screw shaft (1) has an external gear (6) and the screw elements have an internal gear meshing with the external gear (6), characterized in that the outer gear (6) comprises a plurality of depressions (4) extending along the circumference in an offset manner over its axial length while forming individual gear rims (3) extending along the circumference, which depressions (4) are spaced apart from one another by a minimum length (a), wherein the inner gear of each screw element protrudes into the depressions (4) at both axial ends such that the ends of the inner gear do not mesh with the outer gear (6).SELECTED DRAWING: Figure 1

The utility model relates to a rotary demolding mechanism. The rotary demolding mechanism comprises a rear mold core, a workpiece, a bearing and an ejector rod, a plurality of tooth grooves are evenly distributed in the inner wall of a cavity of the rear mold core in the circumferential direction. The bearing sleeve is arranged on the outer side of the rear mold core; the workpiece comprises a cylindrical tooth bone, a connecting part is arranged on the tooth bone, and first oblique teeth are arranged on the outer side surface of the connecting part; second oblique teeth are arranged on the surfaces of the outer sides of the tooth bones. The ejector rod drives the workpiece to axially move, so that the workpiece drives the rear mold core to rotate and is separated from the rear mold core along the tooth groove; the rotary demolding mechanism is ingenious in design, the ejector rod supports the rotary motion of the rear mold core, so that the rear mold core can be driven by a workpiece to rotate, friction between the rear mold core and an external mounting plate is reduced, rotation is smoother, the structure transmits rotating torque through helical tooth meshing, and through combination of bidirectional helical tooth guiding of the tooth bone, the demolding effect is improved. The demolding friction resistance is effectively eliminated, the product is prevented from being damaged by dragging, and the demolding device has the advantages of simple structure, high synchronism and low maintenance cost.

A mold (100) used for molding a flexible external gear (3) of a strain wave gearing (1) is provided with an outer die (110) and a center die (120) that defines the inner peripheral surface shape of the flexible externally toothed gear (3). The center die (120) is provided with a die divided part (122) composed of a plurality of divided dies (121) divided in the circumferential direction. Each divided die (121) can be retracted by a divided die movement mechanism (140) from a molding position (121A) to a retracted position (121B) that is radially inward from the molding position. When the mold is opened after molding, the die divided part (122) as a whole is slightly contracted by retracting each divided die (121) to the radially inward retracted position (121B). The center die (120) can be extracted from the outer die (110) without applying excessive force.

[Problem] To provide a power transmission resin gear capable of suppressing deformation caused by forced extraction without forming a specially shaped tooth profile. [Solution] A power transmission resin gear (1) in which gear teeth (10) are provided on the outer peripheral surface of an annular resin part (3). The annular resin section (3) is configured from an annular inner resin member (4) that covers the outer periphery of the core rod (2), and an annular outer resin member (5) that covers the outer periphery of the annular inner resin member (4). The annular inner resin member (4) has a plurality of axially thinned portions (6) arranged separately in the circumferential direction. The annular outer resin member (5) has a filling part (8) that fills the axial thinned part (6), and an axial surface cover part (9) that covers the filling part (8) and is positioned on the inside RI in the radial direction of the side part (10C) of the tooth (10).

The invention discloses a die structure for punching multiple holes in gear forgings, and belongs to the technical field of punching equipment.The die structure comprises an upper die assembly and a lower die assembly, the lower portion of the upper die assembly is connected with a punching male die, the punching male die comprises a first male die body and second male die bodies, the second male die bodies are evenly distributed on the side of the first male die body, and the lower die assembly is provided with a cavity; a cavity is formed in the lower die assembly, the punching male die can enter and exit in the cavity, a stripper plate is arranged above the lower die assembly, the punching male die penetrates through the stripper plate, the stripper plate and the punching male die can longitudinally slide, the upper die assembly is movably connected with an ejection assembly, and the ejection assembly can enable the stripper plate to be away from the upper die assembly. Multi-hole punching of the forge piece can be achieved, the punching precision is improved, and material abrasion is reduced.

The invention discloses a core pulling device and a gear mold, and relates to the technical field of gear molds, the core pulling device comprises a sliding seat, a mold core assembly, a transmission assembly and a locking structure, and the sliding seat can move in the first direction. The mold core assembly comprises a threaded mold core, the threaded mold core moves in the first direction, and external threads are arranged on the outer surface of the matching end of the threaded mold core and used for extending into a mold cavity of a gear mold. The transmission assembly comprises a rack and a gear set, the rack extends in the second direction, the end of the rack is used for being connected with a fixed mold assembly of the gear mold, the gear set is arranged on the sliding base and can be in transmission connection with the rack and the connecting end of the threaded core, and the locking structure can lock the gear set when the sliding base is located at the second position. The extraction process of the threaded mold core is automatically completed by means of the mold opening process of the gear mold, the structural form of gear and rack transmission is simpler, the precision requirement can be met, and the stability of the gear mold in the mold opening and closing process can be guaranteed.

To provide a manufacturing technology for a toothed cup-shaped component that is environmentally friendly, ensures good tooth shape, and extends the tool life.SOLUTION: A method for manufacturing a toothed cup-shaped component comprises a drawing step, an inclined wall forming step, a preliminary forming step, and a final forming step. A preliminary forming mechanism 40 used in the preliminary forming step includes a third punch 41, a third die 42, and a third pad 43. The third punch 41 has a first truncated conical surface 41b inclined at a first angle θ3 relative to a central axis 41a of the third punch 41. The first truncated conical surface 41b is provided with a tooth-forming ridge 45. The tooth-forming ridge 45 has a vertically elongated trapezoidal shape when viewed in the direction of the arrow 5a in Figure 4(a).SELECTED DRAWING: Figure 4

The utility model discloses a powder metallurgy gear shaping jig which comprises a machine frame body, CCD equipment arranged on the machine frame body, a shaping jig sliding on the machine frame body and driving equipment for driving the shaping jig to move. The shaping jig comprises an upper die and a lower die, the upper die comprises a pressing plate and a first driving element for driving the pressing plate to move upwards / downwards, the lower die comprises a jig plate and a bottom plate, a plurality of elastic elements are arranged between the bottom plate and the jig plate, the jig plate is used for placing gear parts, and the elastic elements are arranged on the bottom plate. When the first driving element drives the pressing plate to move downwards, the gear part can be pressed into the jig plate to be shaped. The reshaping jig is used for quickly reaming a shaft hole, only manual feeding is needed, the reshaping jig is automatically moved to the position below a CCD for size combination after reaming is completed, and the production period is greatly shortened.

The invention relates to a method for controlling and correcting surface quenching deformation of a large fan-shaped section inner gear, systematically solves the problem of quenching deformation of the large fan-shaped section gear, reduces deformation and controls the deformation direction by adopting a two-end fixing mode in the surface quenching stage, and designs a simple detection device to quickly and accurately measure the deformation amount. The method for calculating the deformation correction amount through the deformation amount is provided, the deformation is accurately corrected through local heating and a press machine, 'prevention, detection and correction 'are combined, a complete and closed-loop deformation control technical chain is formed, the problem that the size precision of subsequent finish machining is difficult to guarantee due to large surface quenching deformation of the large fan-shaped section inner gear is effectively solved, and the quality of the large fan-shaped section inner gear is improved. Product quality and production efficiency are improved, and production cost is reduced.

The utility model relates to the technical field of punching equipment, in particular to a mine car gearbox gear correcting device which is matched with a punching machine for use. The device comprises a base fixedly arranged at the bottom of the punching machine, and fixing feet are arranged at the front end and the rear end of the base and fixedly connected with an adjusting assembly. The adjusting assembly comprises a transverse adjusting piece, a vertical adjusting piece and a supporting leg, the transverse adjusting piece is used for swinging left and right and adjusting the horizontal position of the supporting leg in a telescopic mode, and the vertical adjusting piece is used for adjusting the height of the supporting leg in an up-down moving mode. The supporting positions of the four supporting legs are adjusted on the horizontal plane through the four transverse adjusting pieces, the operation frequency of vertical adjustment is effectively reduced, and the supporting stability and adaptability of the punching machine on the uneven ground are improved.

This utility model discloses a molding die, relating to the field of molding. The molding die includes: a first mold having a first molding groove, wherein the first molding groove has at least a first molding area and a second molding area, the first molding area and the second molding area being used to place raw materials of different colors; a partition member protruding from the first molding groove and located in the connection area between the first molding area and the second molding area; and a second mold, wherein in the closed state of the first mold and the second mold, the first molding groove and the second mold cooperate to form a molding cavity adapted to the product.

A composite structure gear includes a ring-shaped resin molded body containing reinforcing fiber and resin and having tooth profiles formed on an outer peripheral portion, a ring-shaped metal bush, and a bonding resin member that bonds the resin molded body and the metal bush. In the resin molded body, a plurality of recessed regions are formed at predetermined intervals in a circumferential direction, and a thin portion in which recessed portions are formed on both surfaces in a thickness direction of the resin molded body is provided the recessed region. In the recessed region, a total value of depths of the recessed portions on both surfaces is smaller than a thickness of the thin portion.

A method for producing a composite material molded article includes a process of, from a solution in which reinforcing fibers with an average fiber length of 0.5 mm or more and thermosetting resin are dispersed and mixed in a solvent, removing the solvent by paper-making to form a preform, and a process of press molding the obtained preform using a mold set at a temperature equal to or higher than a curing temperature of the thermosetting resin to form the composite material molded article.

The invention relates to an automatic gear ring shaping device and belongs to the technical field of gear ring shaping, the automatic gear ring shaping device comprises a feeding mechanism, a conveying mechanism and a shaping discharging mechanism, the feeding mechanism corresponds to the input end of the conveying mechanism, the shaping discharging mechanism corresponds to the output end of the conveying mechanism, the feeding mechanism comprises a plurality of feeding assemblies and a pushing assembly, and the feeding assemblies comprise stock bins; the stock bins are used for storing the gear rings, the pushing assembly pushes the gear rings out of the stock bins one by one, the multiple stock bins can be sequentially transferred to a pushing area of the pushing assembly to be supplied, the conveying mechanism comprises a conveying assembly and a lubricating assembly, and the conveying assembly continuously receives the gear rings pushed by the pushing assembly and conveys the gear rings to the lubricating assembly to be lubricated. The lubricating assembly conveys the gear ring to the shaping and discharging mechanism, the shaping and discharging mechanism achieves shaping machining and discharging of the gear ring, automatic operation of the whole process of feeding, lubricating, shaping and discharging of the gear ring is formed, manual intervention is reduced, production continuity is guaranteed, and the production efficiency of the gear ring is improved.

The invention relates to a forming tool (1) for producing a cylindrical workpiece with profiles formed on its outer surface. The invention further relates to a forming tool system.

The utility model discloses a locking device for metal part spline rolling, which belongs to the technical field of spline rolling and comprises a machine tool fixedly connected with a first support plate. According to the locking device for metal part spline rolling, when a spline is locked, an operator holds a grab handle and enables the grab handle to slide in a first sliding groove, the grab handle drives a rotating disc to rotate and enables a torsional spring to contract, the rotating disc drives a stand column to slide in a second sliding groove, the stand column drives a first sliding block to move, and the first sliding block drives a second sliding block to slide in a third sliding groove; the first sliding block drives the fixing plate to move, after a spline is installed, an operator loosens the grab handle, the torsional spring returns to drive the rotating disc to rotate reversely, finally the spline is locked, a nut on the grab handle is rotated, the grab handle is fixed, the spline can be conveniently and rapidly locked in multiple directions, the spline is prevented from accidentally sliding off in the rolling machining process, and the service life of the spline is prolonged. Therefore, the stability of the locking device is improved.

The invention relates to an extruder screw consisting of a screw shaft (1) and a plurality of screw parts (18) which can be detachably inserted or can be inserted onto the screw shaft (1), each screw part (18) having a defined axial minimum length (l) or a length equal to an integral multiple of the minimum length (l), the screw shaft (1) having external teeth (6) and the screw parts (18) having internal teeth (9) which mesh with the external teeth (6), according to the invention, the outer teeth (6) have a plurality of grooves (4) staggered along the axial length thereof, which grooves (4) are distributed around the circumference and are spaced apart from one another by a minimum length (a), in order to form respective circumferentially distributed tooth rings (3), such that the inner teeth (9) of each screw part (18) extend at the two axial ends thereof into the region of the grooves (4) and the ends of the inner teeth do not mesh with the outer teeth (6).

The present invention provides an NC rolling machine capable of performing rolling operations on hollow materials with high processing accuracy. [Solution] The NC thread rolling machine 100 according to the present invention is an NC thread rolling machine that rolls a gear shape onto a workpiece 102 using a pair of racks 104, and comprises two rack drive mechanisms 106a and 106b that move the racks in parallel and opposite directions to each other, and move the racks forward or backward, and a control unit 115 that controls the operation of the rack drive mechanisms, and the control unit controls the operation of the rack drive mechanisms to roll the workpiece by repeatedly moving the racks forward by a predetermined feed amount and backward by a predetermined return amount less than the feed amount.

The invention discloses a steel pipe tooth rolling production line, and belongs to the technical field of steel pipe tooth rolling machining. The automatic feeding system comprises a gear rolling machine, a steel pipe feeding assembly and a feeding line, wherein the gear rolling machine and the steel pipe feeding assembly are arranged on the two sides of the feeding line respectively; the steel pipe feeding assembly provides steel pipes for the feeding line, the feeding line comprises a plurality of steel pipe conveying mechanisms, each steel pipe conveying mechanism comprises a conveying frame, a plurality of conveying rollers, a transverse conveying mechanism and a lifting mechanism, and the transverse conveying mechanisms are used for transversely conveying and feeding materials for the gear rolling machines; the position layout of the tooth rolling machines is reasonable, the occupied space in the width direction of a workshop is small, the feeding requirements of multiple tooth rolling machines can be met at the same time due to the fact that the feeding line is arranged on the first layer of the workshop, the automation degree is high, downward probing and upward rising actions of tongs of a carrying device are avoided, the feeding rhythm is faster, the production rhythm of the tooth rolling machines can be met, and the production efficiency is improved. And the problem that the gripper touches equipment or personnel is avoided, so that the safety of the equipment and the personnel is ensured.