The invention discloses an ultra-long-stroke fast-tool servo device comprising detachable leaf springs. The fast-tool servo device comprises a driving mechanism, detachable flexible leaf spring mechanisms, a connecting seat and a fixing seat; one side of the connecting seat is connected with the output end of the driving mechanism; the other side of the connecting seat is connected with a tool seat; the connecting seat comprises four connecting parts in the peripheral direction; the four connecting parts are connected to the fixing seat by the aid of the four detachable flexible leaf spring mechanisms; and each detachable flexible leaf spring mechanism comprises a first connecting part and a second connecting part which are connected by the aid of one flexible leaf spring, the first connecting part is connected with the connecting seat, and the second connecting part is connected with the fixing seat. Detachable flexible leaf spring units are adopted, on the one hand, the problem of large difficulty in machining of the flexible leaf springs adopting the spatial arrangement is solved, and on the other hand, the flexible leaf springs are convenient to detach and replace, so that parameters such as the rigidity, the inherent frequency and the like of a guiding mechanism can be adjusted during practical application, and the mechanism interchangeability is realized.

Ultra-long-stroke fast-tool servo device comprising detachable flexible leaf springs and machine tool

The invention discloses a multi-point-triggering straightness error detection device. Two guide rails on a horizontal base and two slide rails at the lower surface of an U-shaped bracket form a guiderail pair; the U-shaped bracket on the slide rails is perpendicular to the two guide rails; a linear displacement sensor is installed at the middle position of the bottom surface of the U-shaped bracket; the linear displacement sensor is electrically connected with a processor; a plurality of triggers are mounted in the long slot of the U-shaped bracket; the measurement heads of the plurality of triggers can contact with the surface of a detected workpiece at a corresponding position; and the plurality of triggers are electrically connected with a computer through a hub and the processor. According to the multi-point-triggering straightness error detection device of the invention, a single-linear displacement sensor and multi-point-triggering mode is adopted to detect straightness error; the positions of the triggers and the number of the installed triggers can be adjusted, so that the detection requirements of detected workpiece can be satisfied. The detection device has the advantages of high adaptability, low manufacturing cost, high efficiency, simple operation and the like, and is a straightness error digital detection device which can be used for long workpiece straightness error production fields.

Multi-point-triggering straightness error detection device

The invention discloses an automatic clamping device of a micro-structure cutting machine tool The device comprises a base, a lower fixing part, an upper fixing part, a jacking device and a controller; a sleeve cup is fixedly mounted on the base, the lower fixing part is sleeved with a workpiece, the upper fixing part is arranged on the lower fixing part in a covering manner, and therefore the workpiece is jacked on the lower fixing part; the lower fixing part and the upper fixing part are arranged in the sleeve cup, a through hole is formed in the wall of the sleeve cup, and an output shaft of the jacking device is jacked on the upper fixing part through the through hole; the controller is electrically connected with the jacking device; the controller controls the jacking device to stop moving, at the moment, the upper fixing part compresses the workpiece on the lower fixing part due to the effect of jacking force of the jacking device, and therefore the machine tool can smoothly lower a knife to cut the workpiece Due to the fact that the workpiece is compressed between the lower fixing part and the upper fixing part, the workpiece cannot be clamped and deforms, the cutting precision of the knife of the machine tool is ensured, and the machining product quality and the yield are improved

Automatic clamping device of micro-structure cutting machine tool

The invention relates to a measuring device for measuring different parameters of an air film in an air floatation system. The measuring device comprises a 2D sliding workbench, a support and a pedestal; the 2D sliding workbench comprises a motor, a vertical slide plate, a horizontal slide plate and a work panel; the 2D sliding workbench is mounted on the support, and a working surface of the workpanel is provided with a micro displacement sensor, a pressure sensor, a temperature sensor, a slice vibration sensor and a slice; under the effect of the motor, the work panel moves along the direction Z; the vertical slide plate moves along the direction X on the horizontal slide plate; the support moves along the direction Y on a base plate; and during measurement, the measured air floatationsystem is positioned on supporting blocks of the pedestal, and the top surface of an air floating plate of the measured air floatation system corresponds to the working surface of the work panel. Viathe measuring device, pressure, vibration and temperature of different positions of complex 3D flow in the air film flow field are measured, and problems in measuring the parameters of flow fields ofair films in different thicknesses are solved.

Measuring device for measuring different parameters of air film in air floatation system

The invention discloses a horizontal linearity measuring device which comprises a bearer, a guiderail, an air flotation upper slide unit, a fixing assembly, an optical flat, a first potential sensor, a second potential sensor, an adjusting device and a probe. The air flotation upper slide unit is slidably mounted on the guiderail. The guiderail is fixedly mounted on the bearer. The optical flat is fixedly mounted on the fixing assembly. The working surface of the optical flat is parallel with the side surface of the fixing assembly. The fixing assembly is arranged on the air flotation upper slide unit. The first potential sensor and the second potential sensor are arranged in a manner of right facing the head end and the tail end of the side surface of the fixing assembly. The adjusting abuts against the fixing assembly in sliding for adjusting the head end or the tail end of the side surface of the fixing assembly. The probe contacts with the working surface of the optical flat. The invention further provides a horizontal linearity measurement method which has beneficial effects of convenient measurement, high speed and high precision.

Horizontal linearity measuring device and method thereof

The utility model discloses a servo device of engraving of sharp knife, including engraving device body, flexible hinge, voice coil motor, grating chi feedback module, mount pad, piezoceramics motor, cutter and the control unit The utility model discloses a have the two -dimentional feed table of horizontal direction and vertical direction, the horizontal direction is driven by voice coil motor, through the removal portion that the top pushed away flexible hinge, makes the fixed part of flexible hinge take place elastic deformation to the displacement on the horizontal direction produces, in addition, install the grating chi of the volume of being used for measured displacement on flexible hinge to mix the reading head, thereby form horizontal drive's closed loop control system, guarantee the line and carve the uniformity of length when same batch does not produce, vertical orientation is then by piezoceramics motor drive, and the control unit comes the output displacement of control motor through the magnitude of voltage of exerting to realize the ascending impact of vertical side and engrave, guarantee to engrave the uniformity of the degree of depth The utility model discloses still have simple structure, processing is effectual, the uniformity is high advantage

Servo device of engraving of sharp knife

The invention discloses an air flotation platform device. The air flotation platform device comprises a tabletop (1); the tabletop (1) is provided with multiple air flotation slide blocks (14); an airflotation platform middle plate (2) is connected with an air flotation platform upper-layer plate (3) through an air flotation bearing (6); and the air flotation slide blocks (14) are provided with the air flotation platform middle plate (2). The air flotation slide blocks (14) and an air way of the air flotation bearing (6) are arranged in a communicating manner; an upper-layer plate lower cutter groove (4) is formed in the air flotation platform upper-layer plate (3); baffle plates (5) are arranged around the tabletop (1); the air flotation platform middle plate (2) is provided with an airflotation bearing base (6); and the upper ends of the air flotation slide blocks (14) are connected with the air flotation platform middle plate (2) through screws. Through a pressure difference between air flotation upper and lower surfaces and cooperation of the air flotation bearing, the air flotation platform upper-layer plate can float, so that the plate position adjustment and tool setting problems in plate boring are solved.

Air flotation platform device

The invention discloses a roller mold for machining radial Fresnel structures. The roller mold comprises a mold roller; and a reverse structure corresponding to the radial Fresnel structures to be machined is arranged on a roller surface of the mold roller. The mold roller rolls on a lens profile with a certain temperature to finish a molding process of the corresponding radial Fresnel structures;compared with traditional machine tool cutting, the machining efficiency is greatly improved; in addition, compared with traditional mold pressing and injection mold machining, a roller mold pressingtechnology can continuously manufacture microstructure optical films; and compared with traditional flat plate mold pressing and injection molding technologies, higher productivity and lower cost areachieved. Traditional turning methods comprising quick cutter servo, slow cutter servo and micro-milling cannot realize machining of the radial Fresnel structures on the roller mold, so that the invention further discloses a machining machine tool for the mold for machining the radial Fresnel structures.

Mold for machining radial Fresnel structures and machining machine tool thereof

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