12 results about "Double tooth" patented technology

The utility model belongs to the stirring rake block cleaning technical field, specifically disclose a kind of manheim furnace stirring rake block cleaning tool, including connecting rod one and connecting rod two, and the both ends of connecting rod one and connecting rod two are detachably connected with spade head and double-toothed peg harrow, the other end of connecting rod one and connecting rod two is mutually hinged, and the width direction of spade head and double-toothed peg harrow is tangent to the rotation direction of connecting rod one and connecting rod two, and the hinge of connecting rod one and connecting rod two is equipped with bolt one for mutual fixation. When the existing stirring rake cleaning tool is placed after use, it will lose balance and fall to the ground, and the falling tool can easily trip the workers, posing a threat to their personal safety. The utility model is fixed by bolt one Connecting rod one and connecting rod two are folded, the spade head or double-toothed peg harrow is supported on the ground, so that the tool can be independently supported, avoiding the problem of easy sliding when the traditional tool is placed alone.

The transmission mechanism comprises a left rocker arm, a right rocker arm, a double-tooth linkage gear set and an elastic attaching assembly, and the double-tooth linkage gear set comprises a left side gear and a right side gear which are meshed through peripheral straight teeth. The first one-way teeth of the left rocker arm are meshed with the second one-way teeth of the left side gear, the third one-way teeth of the right rocker arm are meshed with the fourth one-way teeth of the right side gear, and force is transmitted only when the left rocker arm rotates to be opened and / or the right rocker arm rotates to be opened through one-way tooth meshing; by means of the characteristic of disengagement when the left rocker arm rotates to be opened and / or the right rocker arm rotates to be closed, the technical defect that in traditional straight gear two-way transmission, one closed side must be linked with the other side is overcome. When the box door on one side is independently closed, the one-way teeth of the rocker arm on the corresponding side and the one-way teeth of the gear slip due to conflict in the rotating direction, and are disengaged under the avoiding action of the elastic attaching assembly, so that the box door on the non-operation side is kept in an open state, and the problem that the box door on one side cannot be operated to be closed in the past is solved.

The invention discloses a double-tooth sun gear machining method and an inner hole allowance determining method, and relates to the technical field of gear machining. The machining method of the double-tooth sun gear sequentially comprises the steps of blank forging, semi-finish turning, outer circle tooth A hobbing, inner hole and two end face coating of an anti-seepage agent, carburizing, quenching, shot blasting, finish turning, inner hole tooth B rough gear shaping machining, inner hole tooth B fine gear shaping machining, outer circle tooth A grinding machining, burn inspection, magnetic powder inspection, tooth part precision detection and bench work. The inner hole allowance is determined by adopting test bars with the same material and the same process, and accurate reservation is realized through quantitative calculation by detecting the radial hardness distribution rule of the test bars. The core technology is a combination method of differential seepage prevention, test bar allowance quantification and staged machining, the machinability of inner hole and end face seepage prevention is ensured before carburization, the performance is ensured through normal hardening of outer teeth, hardened layer residues and material waste are avoided through precise allowance, and the bearing performance of the inner teeth is ensured.

The utility model discloses a steel ball sliding rail buffer, and belongs to the technical field of sliding rails. The steel ball slide rail buffer comprises an outer rail, a middle rail and an inner rail which are sequentially connected in a sliding manner, and further comprises a main body, the sliding block is slidably connected to the main body; the tooth hook is fixedly connected to the inner rail; the positioning rotary sheet is fixedly connected with a first positioning pin and is rotationally connected to the sliding block; a first tooth groove and a second tooth groove are sequentially formed in the tooth hook; according to the utility model, the tension spring, the positioning rotary sheet and the sliding block are matched for use, when the drawer is closed, the drawer can automatically reset under the acting force of the tension spring, and meanwhile, through the damping rod arranged in the device, the resetting speed of the sliding block can be slowed down when the drawer is closed, so that the effect of mute closing is achieved; and meanwhile, the tooth hook with double tooth grooves is arranged, so that the positioning rotary sheet can be conveniently hooked during primary installation, and the problem that the drawer cannot be automatically reset due to the fact that the positioning rotary sheet possibly swings out of a positioning angle during primary installation is effectively solved.

The utility model discloses a kind of double-tooth cutter line directional bending templates, belong to packaging box production technical field, including substrate, the working surface of the substrate is provided with die cutter group according to the outer contour of carton development drawing, indentation cutter group is arranged in the closed shape enclosed by die cutter, and the indentation cutter group is used to press the crease of corrugated board;First tooth cutter is arranged on the substrate position for processing first crease, indentation blade and second tooth cutter are arranged on the substrate position for processing second crease.The utility model can ensure that folding action must be carried out according to predetermined order from structure, so that the problem of jam and shutdown caused by sequence reversal is completely solved.

The utility model belongs to the field of airtight zipper processing machinery, and provides a production device for a double-tooth airtight zipper, which comprises a control console for airtight zipper production and processing operation; the smearing mechanism is fixedly arranged on the control table and used for smearing and bonding the airtight zipper; the compounding mechanism is fixedly arranged on the side edge of the console and is used for compounding, processing and fixing the airtight zipper; the cooling mechanism is fixedly arranged on the side edge of the compounding mechanism and used for cooling and shaping the airtight zipper after compounding processing; after being subjected to hot melting, TPU layer raw materials are evenly and efficiently smeared on the second airtight zipper through the extrusion head and the extrusion die, then the first airtight zipper and the second airtight zipper are rapidly extruded and compounded through the extrusion wheel and the positioning wheel on the supporting frame, and finally the airtight zipper and the second airtight zipper are conducted out through the second guide wheel and are matched with the buffer frame to be cooled and solidified. Therefore, the purpose of quickly and efficiently producing and processing the double-tooth airtight zipper is achieved.

A transmission shaft with an overload protection function belongs to the technical field of mechanical transmission and is characterized in that an overload protector is arranged between an input end and an output end of the transmission shaft and consists of a flange shaft, a first tooth pad, a second tooth pad, a shaft sleeve, a flange sleeve, a pressure spring, a spring pad, a nut and a flange pipe, the second tooth pad and the first tooth pad are arranged adjacently, the second tooth pad is fixed on the flange sleeve, the shaft sleeve is installed in inner holes of the first tooth pad and the second tooth pad, the shaft sleeve is sleeved on a shaft body of the flange shaft, the flange sleeve is sleeved with the pressure spring, the flange sleeve is sleeved with the spring pad, and the spring pad is located at the rear end of the pressure spring. The nut abuts against the pressure spring through the spring pad, and the flange pipe is sleeved and fixed to the periphery of the flange sleeve. Power is transmitted through the double tooth pads, and the power transmission effect is good; when the transmission shaft reaches the set torque, the double tooth pads are separated, the transmission shaft stops transmitting power, the effect of protecting the gearbox and the transmission shaft from being damaged is achieved, and the protection effect is good.

The utility model relates to the technical field of double-geared roller crushers, in particular to a tooth profile testing device of a double-geared roller crusher. Comprising a machine frame, a box body arranged above the machine frame and a discharging hopper arranged below the box body. A first crushing roller and a second crushing roller are arranged in the box body, the two ends of the box body are rotationally connected to bearing seats through shaft end sealing pieces, and the bearing seats are slidably connected with the rack; a first gear motor and a second gear motor are arranged on the side part of the box body and respectively drive the two crushing rollers; distance adjusting assemblies symmetrically arranged on the two sides of the rack are connected with the bearing seats and drive the bearing seats to slide in the vertical direction of the rack so as to adjust the distance between the two crushing rollers; each distance adjusting assembly is correspondingly provided with a locking assembly used for fixing the distance adjusting assembly. Precise adjustment of the distance between the crushing rollers is achieved through the distance adjusting assembly, the distance stability under the dynamic working condition is maintained in combination with the locking assembly, real crushing parameter changes are effectively simulated in cooperation with the detachable crushing toothed plate and the adjustable box body structure, the problem of low tooth profile dynamic test precision is solved, and a reliable test basis is provided for optimizing the crushing tooth profile design.

The application provides a coaxial high-speed scroll air compressor and a design method, which comprises a compression cavity, a permanent magnet motor, a power transmission system and an exhaust pressure stabilizing structure. The compression cavity comprises a driving scroll disc (8) and a driven scroll disc. The permanent magnet motor (7) drives the driving scroll disc to rotate through a driving shaft (2). A plurality of eccentric small shafts (9) for driving the driven scroll disc to rotate are arranged on the driving scroll disc. The driving scroll disc and the driven scroll disc are arranged in opposition and are engaged through coaxial double-tooth variable cross-section scroll teeth at the opposite disc surfaces. When the driving scroll disc and the driven scroll disc rotate, the scroll tooth engagement area between the two discs inhales gas. The inhaled gas is compressed through the engagement process of the variable cross-section scroll teeth, so as to improve the engagement smoothness and increase the compression efficiency. The compressed gas is discharged through the exhaust pressure stabilizing structure. The application can solve the problems of engagement failure and scroll tooth interference of the scroll air compressor in the prior art, and improve the operation stability of the scroll air compressor.

This utility model belongs to the technical field of grinding devices, specifically relating to a slider grinding device, including a support frame. A worktable is fixedly connected to the top of the support frame, and a fixing plate is fixedly connected to the top of the worktable. A clamping assembly for holding the slider is provided on the top of the fixing plate, and a grinding assembly for grinding the slider is provided in the middle of the worktable. The grinding assembly includes a dovetail groove, a movable plate, a driving device, and a grinding wheel. This slider grinding device is equipped with a replacement assembly. Through the structural design of the pin and connecting groove, the grinding wheel can be quickly disassembled and installed, seamlessly switching between multiple processes such as rough grinding, fine grinding, and polishing. At the same time, the clamping assembly adopts a double-tooth meshing clamping block. The quick clamping of the slider is achieved through the cooperation of the clamping block and the electric push rod, enabling the positioning and fixing of sliders of different specifications, shortening the processing preparation time, and improving production efficiency.

The application discloses a gear pump, which comprises a driving gear, a driven gear, a front end fixed bearing and a rear end fixed bearing, the driving gear and the driven gear are engaged, both ends of the driving gear and both ends of the driven bearing are respectively supported by the front end fixed bearing and the rear end fixed bearing, at least one of the front end fixed bearing and the rear end fixed bearing is provided with a longitudinal unloading groove, and the longitudinal unloading groove is used for guiding oil in an oil trapping cavity to an axle hole when double-tooth engagement occurs. When the gear pump is used as an oil pump, oil in the oil trapping cavity is guided to the axle hole through the longitudinal unloading groove in the double-tooth engagement state, and the oil can be used as lubricating oil of the axle hole, so that the oil in the oil trapping cavity can be effectively discharged for unloading, and the oil in the axle hole is supplemented to increase lubrication, thereby achieving a double effect. Therefore, the problem that the unloading effect of trapped oil is poor when double-tooth engagement of the gear pump occurs can be effectively solved.

The invention belongs to the technical field of forging machining dies, and provides a linear cutting split type automatic core pulling duplex tooth forging die. The die comprises a lower die assembly and a duplex-tooth forge piece, the duplex-tooth forge piece comprises a main gear and an auxiliary gear, the lower die assembly comprises an annular forming lower die, an inner cavity of the forming lower die is matched with the duplex-tooth forge piece in appearance, a core block is arranged in the middle of the inner cavity, and the main gear and the auxiliary gear are arranged on the two sides of the core block respectively. The circumference of the lower forming die is divided into at least two split bodies, and the core blocks and the corresponding split bodies of the lower forming die are of an integral structure. The forming lower die and the core block are of an integral structure, the forming lower die and the core block are cut into different split bodies in the radial direction to be used, the integral structure is convenient to machine, meanwhile, the core block and the forming lower die are of an integral structure, the core block can be pulled out together when the forming lower die is pulled out, automatic core pulling is facilitated, and the core pulling efficiency is improved. The automatic core-pulling mechanism is designed in the duplex tooth forging die, the labor cost is saved, and the working efficiency is improved.