162results 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.

The invention belongs to the technical field of rotor internal gear stamping, and particularly discloses a rotor internal gear stamping device which comprises a cold stamping frame, a cold stamping mechanism, a self-adaptive speed regulating device, a multi-directional linkage cleaning and discharging device and a dovetail groove locking type die replacement part. According to the fact that when a gear is stamped, stamping force needs to be large (enough stamping force is generated to complete gear forming) and cannot be too large (too large impact force can cause brittle fracture of the gear), the technical effect of self-adaptive lossless stamping on the gear is achieved in the mode that rotation damping is generated through self-adaptive centrifugal external expansion friction. And multiple technical effects of gear discharging and pneumatic cleaning of the die are achieved by means of driving force during stamping and a multidirectional linkage mode.

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.

Provided is a lightweight gear (1), a manufacturing method thereof, a manufacturing method of a gear train, and a robot, capable of preventing a resin-made connecting body from generating excessive stress due to torque transmitted in a joint portion with a metal. The lightweight gear (1) includes a tooth portion (2) of a circular ring shape made of metal, a shaft (3) made of metal extending along a center axis (A) of the tooth portion, and a connecting body (4) made of resin connecting the shaft and the tooth portion. A joint portion of the shaft and the connecting body (4) and a joint portion of the tooth portion and the connecting body (4) are provided with a concave-convex (5, 6, 11, 12) engaged in a circumferential direction, and a corner portion of the concave-convex has a rounded corner for stress relaxation. In addition, the manufacturing method of the lightweight gear (1) includes the steps of arranging the tooth portion and the shaft in a molding mold, and simultaneously performing injection molding of the connecting body (4) and joining of the connecting body (4) and the tooth portion and the shaft by injecting molten resin into a cavity of the molding mold.

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 application discloses a kind of full-automatic forming equipment of gear for automobile seat slide rail, including stamping device main body, the tail side of the stamping device main body is fixedly installed with conveying material blocking component, the left side of the conveying material blocking component is fixedly installed with feeding assembly, the middle part of the conveying material blocking component is fixedly installed with workbench, the top of the workbench is fixedly installed with first conveying component, the middle part of the workbench is fixedly installed with point detection component, the right side of the workbench is fixedly installed with second conveying component, the right side of the stamping device main body is fixedly installed with turnover unloading assembly, the right side of the stamping device main body is provided with transfer belt component.The above scheme, in the process of processing gear, gear can be automatically conveyed to stamping device main body, can be automatically completed unloading, and gear is automatically conveyed to subsequent process, improve the degree of automation, and reach the effect of saving labor.

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.

The utility model relates to the field of silica gel key injection molding, in particular to a silica gel key injection mold capable of automatically demolding. The silica gel key injection mold capable of achieving automatic demolding comprises a base, a lower mold, air cylinders, supporting frames, an upper mold and the like, the two air cylinders are distributed front and back and installed on the front side and the rear side of the middle of the base, the lower mold is fixedly connected between telescopic rods of the two air cylinders, and the two supporting frames are distributed front and back and fixedly connected to the front side and the rear side of the upper portion of the base. The upper die is installed between the upper portions of the two supporting frames. The first demolding assembly uniformly sprays a demolding agent through a nozzle to ensure that the surface of the connected silica gel key is uniformly covered and demolding is easy, the second demolding assembly drives an ejector block to rotate anticlockwise through a rotating shaft to roll the connected silica gel key down from a lower mold, the demolding process is stable and reliable, the whole demolding process is high in automation degree, and the demolding efficiency is improved. The complexity and the labor intensity of manual operation are reduced, and the production efficiency and the product quality are improved.

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 application relates to a rolling forming device and method for a large-module standard straight-tooth cylindrical gear, which comprises an extruding device and a rolling forming device. The blank is gradually rolled in a ring rolling process, so that the blank is in local plastic deformation at any time, the forming has continuity and gradualness, the loading speed can be adjusted at any time according to the deformation condition, and the situation that the gear forming process has large load and excessively wears the die is avoided. The rolling core roller is gradually expanded in the inside, the stable contact between the die tooth shape and the blank can be effectively maintained, the tooth tip "poking" caused by the insufficient positioning accuracy in the rolling process can be effectively avoided, the forming stability is good, and the gear precision is high. The method is still applicable to the forming of a large-module gear, the situation that the size of the gear is large, the size of the forming equipment is increased by several times, the forming efficiency and stability are affected, the equipment structure is simple, and the operation is convenient; the forming process is simple, there is no flash, the metal flow line is completely preserved, the material utilization rate is high, and the formed gear has good mechanical properties.

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 present invention relates to the technical field of planetary reducers, and is a planetary reducer gear rolling device, comprising a feeding device, a transfer device, and a tooling plate conveying device; the feeding device comprises a plurality of planetary wheel trays and a feeding detection mechanism; the plurality of planetary wheel trays are horizontally spaced and arranged below the feeding detection mechanism, and the feeding detection mechanism is used to detect and identify the planetary wheels; the transfer device comprises a horizontal transfer mechanism and a transfer robot; the transfer robot is used to transfer the planetary wheels on the planetary wheel trays to the tooling plate conveying device; the tooling plate conveying device comprises a tooling plate conveying mechanism and a tooling plate positioning mechanism; the tooling plate conveying mechanism is used to convey the tooling plate, and the tooling plate positioning mechanism is used to position the reducer housing on the tooling plate. The advantage of the present invention is that the device replaces manual gear rolling, saving time and labor, completing the meshing of the first, second, and third stage planetary wheels with the gear ring on the reducer housing, greatly improving the gear rolling efficiency and accuracy, and ensuring product quality.

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.

The rolling apparatus is configured to execute a control content for producing a test piece by forming fixed-side streaks and moving-side streaks in a base material, and a control content for receiving an inputted positional deviation amount between groove center lines of the moving-side streaks and virtual groove center lines of the fixed-side streaks, 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 at a top dead center thereof. Further, the rolling apparatus is configured to execute a control content for receiving and outputting an input of bite depths of the fixed-side streaks and moving-side streaks in the test piece.

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.