30results about How to "High rotational positioning accuracy" patented technology

The invention relates to pressure meter assembling equipment. A pressure meter is conveyed below a mounting mechanism by a feeding mechanism; a clamping lifting cylinder of the mounting mechanism drives a lifting connection plate to move up and down on a lifting slide rail, a cam is driven to lift, the cam is descended to drive a meter clamping lever to clamp the pressure meter, the cam is ascended to drive the meter clamping lever to loosen the pressure meter, firstly, the meter clamping lever is loosened, a lifting mechanism drives the mounting mechanism to move downwards to clamp the pressure meter, the feeding mechanism returns back to the initial position, then a rotary mechanism is moved to drive a pressure meter seat to move to a place below the mounting mechanism, a compressing mechanism clamps the pressure meter seat, the mounting mechanism is driven by the lifting mechanism to move downwards, and when the pressure meter reaches a place above the pressure meter seat, the mounting mechanism is driven to drive a rotary spindle to rotate, so the pressure meter is rotated and descended to be screwed into the meter seat, and when the torsion achieves a certain value range, the pressure meter stops rotating. The assembly of the pressure meter is full-automatically performed, the labor intensity of operation staff is reduced, and the production cost is reduced.

The invention relates to a pressure meter seat moving mechanism, comprising a bottom plate, a mobile module, a rotary module, a clamping module, a pressure meter seat and a pressure meter; the mobile module and the clamping module are arranged on the bottom plate respectively; the rotary module is arranged on the mobile module; the pressure meter seat is positioned on the rotary module by a clamp; the pressure meter is mounted on the pressure meter seat; a mobile cylinder of the mobile module drives the pressure meter seat to a machining position; the direction of the pressure meter seat is rotated to a designated position by the rotary module, then a clamping cylinder clamps the pressure meter seat and ensures that the pressure meter seat is not loosened in the use process, and the pressure meter seat can freely rotate in the rotation process. The pressure meter seat moving mechanism can perform rotation motion while clamping, the rotating positioning precision is high, and a work position is not deviated as a rotary motor of the rotary module can be braked. The labor intensity of operation staff is reduced, and the production cost is reduced.

The invention discloses a precise rotating, aligning and pre-pressing execution mechanism of a bonder and solves the problem that existing bonding rotating positioning mechanisms are low in stabilityand aligning accuracy. A pressing-down rotating spline shaft (3) is movably arranged in a rotating bearing (4), an adsorption head mechanism (2) is arranged at the lower end of the pressing-down rotating spline shaft (3) below the rotating bearing (4), the upper end of the pressing-down rotating spline shaft (3) above the rotating bearing (4) is connected with a rotatable output shaft of a rotatable pre-pressing cylinder (16), a screw module (14) moving horizontally is fixedly arranged on the vertical face of an inverted-L-shaped mounting plate (19), a rotating cantilever swing rod (6) is fixedly connected on the pressing-down rotating spline shaft (3) above the rotating bearing (4), a pin shaft and a cam driven bearing (7) are fixedly arranged on the upper end face of the outer side of the rotating cantilever swing rod (6), and the cam driven bearing (7) and a push rod (8) are in movable leaning-against connection. Rotating positioning accuracy is improved.

The invention discloses a rigid-flexible coupling rotating platform. The rigid-flexible coupling rotating platform comprises a machine base, a rigid bearing, a bearing sleeve, a core rotating platform, a rotating driver and a composite rotating flexible hinge ring. The bearing sleeve is fixed to the machine base. The rigid bearing is connected with the core rotating platform through the compositerotating flexible hinge ring kinematic pair. The rigid bearing is connected with the machine base through the bearing sleeve. The rotary driver is used for driving the core rotary platform to rotate.When the rotary driver applies driving force to the core rotary platform to enable the core rotary platform to rotate, the driving force can enable the composite rotary flexible hinge ring to generateelastic deformation. According to the rigid-flexible coupling rotating platform, the friction dead zone is overcome and the rotation is compensated by utilizing the elastic deformation of the composite flexible hinge ring, a highly accurate friction force model does not need to be utilized, and a compensation control method is simplified.

The invention discloses an automatic stereoscopic warehouse used for buffering and storing semiconductor components. The automatic stereoscopic warehouse comprises two sets of goods shelves arranged in parallel, a buffer-storing and feeding mechanism, a feeding and discharging transfer mechanism and a material taking and placement mechanism. The two sets of goods shelves are arranged in a spaced manner so as to form a transfer channel located between the two sets of goods shelves, and a butt joint channel communicating the inside and the outside of the goods shelves is formed in one set of goods shelves. The buffer-storing and feeding mechanism comprises a rack and a buffer-storing and carrying assembly arranged in the rack. The feeding and discharging transfer mechanism is arranged in the rack and located under the buffer-storing and carrying assembly. The material taking and placement mechanism comprises a horizontal guide rail arranged in the transfer channel, a lifting frame connected with the horizontal guide rail in a sliding manner and a taking and placement assembly connected with the lifting frame in a sliding manner. According to the automatic stereoscopic warehouse, the moving path for storing and taking materials is reduced, meanwhile, the materials can be stored and taken in two directions, and the storage and taking efficiency is improved while the storage capacity of the stereoscopic warehouse is improved.

The invention discloses bending center front feeding equipment which comprises a fixed base, a C-shaped pressing arm driving device, a C-shaped pressing arm, a rotary positioning mechanism, an auxiliary feeding mechanical arm, a plate front end positioning assembly, a plate left side positioning assembly, a plate right side auxiliary pushing assembly, a plate rear side auxiliary pushing assembly and a feeding and discharging platform. According to the bending center front feeding equipment, by means of a comprehensive plate positioning mode, positioning stop blocks are arranged at the front end and the left end of a plate, auxiliary pushing mechanisms are arranged at the right end and the rear end of the plate, workpiece positioning is more accurate, and deviation caused by manual feeding is avoided. And meanwhile, for some special-shaped workpieces, secondary positioning of the workpieces can be automatically achieved through mutual cooperation of the positioning mechanisms, the machining range of the workpieces is enlarged, and therefore the utilization rate of the equipment is increased.

The invention discloses an intelligent rotatable practical training teaching platform, which comprises a seat frame, a rotatable polyhedral rotating table is arranged on the seat frame, the rotating table performs intermittent rotary motion under the action of a rotation driving mechanism, a plurality of surfaces of the rotating table are respectively provided with a practical training unit, each practical training unit can be provided with a son plug, a mother plug is arranged in the rotating table, and the mother plug is connected with the son plug. The rotation driving mechanism comprises a rotating shaft, the rotating shaft comprises a threading pipe and a rotating shaft sleeve, the rotating shaft sleeve is rotatably mounted on the seat frame, the rotating table is fixedly connected with the rotating shaft sleeve, the threading pipe is mounted in the rotating shaft sleeve, and the threading pipe is fixedly connected with the rotating shaft sleeve. The outer end of the threading pipe penetrates out of the seat frame and is fixedly connected with the seat frame, the inner end of the threading pipe is located in the rotating table, and an electrical cable can be arranged in the threading pipe in a penetrating mode. According to the invention, different practical training units can be freely and conveniently switched, the rotation positioning precision is high, and electricity and gas sources can be conveniently provided for each practical training unit.

The invention discloses a pipe position locking mechanical valve. The pipe position locking mechanical valve comprises a valve body neck part, a valve body, a valve part and a hand wheel; the right side of the hand wheel is connected with a fixed pipe sleeve; the hand wheel is connected with the fixed pipe sleeve through a hand wheel shaft; a movable disc is mounted on the right side of the fixed pipe sleeve; the right side of the movable disc is connected with a fixed disc; a fixed ring is arranged on the right side of the fixed disc; a flange is mounted on the lower side of the fixed ring; the valve body neck part is arranged below the flange; the valve body is connected below the valve body neck part; a valve ring is embedded in the valve body, and is provided with a plug column; the valve part is embedded in the valve ring; a valve element is mounted in the valve part; the inner side of the hand wheel is connected with a hand wheel support rod; and the tail end of the hand wheel support rod is connected with a hand wheel rotating core. The movable disc is higher than the fixed pipe sleeve; the flange and the valve body neck part are connected integrally; the movable disc and the fixed disc are produced by stainless steel metal; and the hand wheel support rod and the hand wheel are fixedly connected. The pipe position locking mechanical valve has the following advantages: the improved valve body is low in production cost, convenient in production, high in rotary positioning precision and the like.

The invention provides a rotary conveying platform and logistics conveying equipment, and relates to the technical field of logistics conveying. The rotary conveying platform comprises a rotating mechanism and a V-shaped conveying mechanism; the V-shaped conveying mechanism is used for conveying cylinder conveying pieces; the rotating mechanism drives the V-shaped conveying mechanism to convey toan appointed position; and the rotating mechanism realizes rotation of the V-shaped conveying mechanism in different positions of 0-360 degrees, so that the technical problem of incapability of conveying the cylinder conveying pieces after rotation in the prior art is solved.

The invention provides a front scanning mirror system for measuring an atmospheric wind field of a foundation upper layer. The front scanning mirror system mainly aims at overcoming the defects that an existing front scanning mirror for measuring the atmospheric wind field of the foundation upper layer is complex in structure, large in scanning motion range, large in weight, difficult to be subjected to waterproof sealing to adapt to outdoor measurement and the like. The front scanning mirror system comprises a reflecting mirror, a one-dimensional linear displacement platform, a rotary platform, a rotary protective cover and a rotary protective cover, the rotary platform drives the reflector to rotate in the axial direction of the main light path through the one-dimensional linear displacement platform, and the rotary protection cover is used for protecting the rotary platform and the environment of the main light path from being polluted by the external environment. The rotary protection cover comprises a protection cover body, a zenith protection window and a side protection window, the protection cover body is arranged on the rotating platform, the side protection window is arranged on a reflection light path of the reflecting mirror, light signals collected by the side protection window are reflected to the main light path through the reflecting mirror, and the main light path transmits the collected light signals to the foundation upper layer atmosphere wind field measuring system.

The invention relates to a machine tool capable of using turning cutter by maintaining universality of a cutter handle. The machine tool comprises a main spindle nose used for maintaining a main spindle, a driving source used to drive the main spindle to rotate around the axis, a cutter warehouse used for accommodating the cutter, a main spindle gear disposed on the main spindle, and a transmission gear disposed on the cutter warehouse. The transmission gear is used to transmit the rotation of the main spindle to the cutter warehouse by being engaged with the main spindle gear. The main spindle nose is provided with a limiting part, which is used to limit the rotation of the main spindle by being clamped with the main spindle gear, and the limiting part is provided with a clamping gear clamped with the main spindle gear and a limiting mechanism used to limit the rotation of the clamping gear. The limiting mechanism is used to limit the rotation of the clamping gear, and then the main spindle cannot rotate, and therefore the machine tool can use the turning cutter by using the common cutter handle for the processing.

The invention relates to a hollow parallel harmonic reduction device and a driving method thereof. The harmonic reduction device comprises a hollow shaft, a harmonic reduction assembly and an output shaft, wherein the hollow shaft can rotate around the central axis thereof, and a first hollow hole is formed in the hollow shaft; the harmonic reduction assembly is arranged on the outer side wall of the hollow shaft and comprises a first harmonic reducer and a second harmonic reducer which are distributed in the axial direction of the hollow shaft; the output shaft is located in the first hollow hole and is connected with the harmonic reduction assembly to achieve power output of the harmonic reduction assembly; and the hollow shaft drives the first harmonic reducer and the second harmonic reducer to work synchronously, the first harmonic reducer and the second harmonic reducer transmit power to the output shaft, and the output shaft outputs the power. The harmonic reduction device can obtain higher rotary positioning precision and higher torsional rigidity, and is good in synchronism, compact in structure and good in stability.

The invention belongs to the technical field of numerical control machine tools, and discloses a parallel multi-channel numerical control machine tool, which comprises a power supply module, a machinetool parameter configuration module, a video monitoring module, a central control module, a correction module, a positioning module, a performance test module, a fault diagnosis module and a displaymodule. According to the invention, the positioning module is used for positioning by taking a shape drawn by CAD as an edge positioning characteristic, so that a machining zero point can be found conveniently and quickly, and the positioning efficiency and the machining efficiency are improved; high translation positioning precision, high rotation positioning precision and high repeated positioning precision can be realized, and the practicability is high; meanwhile, the performance of each part of the machine tool can be judged more specifically and specifically through the performance testmodule, the state of the machine tool can be reflected, and more scientific performance indexes of the machine tool can be obtained through proper weight allocation when the performance indexes of themachine tool are obtained.