30results about How to "Improve coincidence accuracy" patented technology

The invention provides a horizontal-type ultra-high pressure sterilization equipment aligning mechanism. According to the horizontal-type ultra-high pressure sterilization equipment aligning mechanism, cylinder bodies (1-1), trolley guide rail beams (1-2), aligning positioning blocks (1-3) and a frame (1) are connected into a whole, the axis of the left cylinder body (1-1) and the axis of the right cylinder body (1-1) are on the same straight line, and circle centers of concaved circular cambered surfaces of the left aligning positioning block (1-3) and the right aligning positioning block (1-3) and the axes of the left cylinder body (1-1) and the right cylinder body (1-1) are on the same straight line; the cylinder bodies (1-1) are matched with piston-type plugs (2) to form hydraulic oil cylinders, and the axes of the left piston-type plug (2) and the right piston-type plug (2) are on the same straight line; an ultra-high pressure barrel body (4) is fixed to a trolley frame (5) through barrel body fixing seats (3), the trolley frame (5) is pulled by a lead screw nut mechanism driven by a servo motor to move along guide rails on the trolley guide rail beams (1-2), positioning is achieved through contact between the barrel body fixing seats (3) and the aligning positioning blocks (1-3), and the situation that the axis of the ultra-high pressure barrel body (4) and the axes of the left piston-type plug (2) and the right piston-type plug (2) are on the same straight line is achieved.

The invention discloses a thin-wall vulcanized rubber tube reshaping mould and a manufacture method thereof. The mould comprises a mould tyre cavity, an identification pen rotating and moving device, two cutting blade rotating and moving devices and a base, wherein the mould tyre cavity is composed of a bottom plate, a left side plate, a right side plate, a front vertical plate and a rear vertical plate which are combined into a whole in a welding mode and are fixed on the base; and the identification pen rotating and moving device and the two cutting blade rotating and moving devices are respectively fixed on the base. In the thin-wall vulcanized rubber tube reshaping mould, the vulcanized rubber tube prototype filler pouring and reshaping technology is adopted, the manufacture cost of the mould is lowered by 91%, working procedures are simplified by 82%, a manufacture period is shortened by 11 / 13, the technical problem of the inner surface reshaping of the cavity is greatly lowered,and coincidence precision is improved to above 95% if compared with the original 65%. The thin-wall vulcanized rubber tube reshaping mould can reliably operate under the severe working environment and has low quality requirements of occupational skill personnel.

The invention discloses a high-precision image stabilization mirror bonding device and method, and relates to the field of high-precision assembly of optical structures. It includes a base, a mirror holder, a cylindrical pin, an adjustment pressure plate, and a first adjustment screw; wherein: one end of the cylindrical pin is fixedly arranged in a positioning hole at the bottom of the base, and the other end is fixedly connected to the mirror holder; the adjustment pressure plate passes through The first adjusting screw is connected to the upper part of the base, and the adjusting pressure plate is used to control and adjust the position accuracy of the reflector on the mirror holder. The reflector and the mirror holder can be precisely bonded according to the size requirements, thereby improving the coincidence accuracy of the mirror surface and the axis of the mirror holder mounting hole, reducing the adverse effects of manual operation errors, improving the yield, high adhesion strength, and Easy to mass produce and process.

The invention relates to a coordinate system coincidence calibration method and system. The method includes: acquiring a first coordinate system based on the structure of a robot, acquiring a second coordinate system based on a captured image of the robot; Any three can form an isosceles triangle; make the robot translate at equal intervals, and calculate the rotation matrices of the first and second coordinate systems based on the obtained first and second sets of calibration data; make the robot rotate, based on the obtained third set Calculate the translation matrix of the first and second coordinate systems with the fourth group of calibration data; obtain a feature point on an image, calculate the estimated coordinate value of the feature point on the second coordinate system; measure the actual value of the feature point Coordinate values; compare the estimated and actual coordinate values ​​to back-verify the accuracy of the translation and rotation matrices. The invention can reduce the error of the image vision system, improve the coincidence degree of the camera coordinate system and the robot coordinate system, and then improve the assembly precision of parts.

The present invention provides an electronic device manufacturing method, a display device manufacturing method, a photomask manufacturing method and a photomask, which can reduce the alignment errors among layers. The electronic device manufacturing method is characterized by comprising the following steps of forming a first film pattern, and implementing a first photoetching process using a first photomask on a substrate; forming a second film pattern and implementing a second photoetching process using a second photomask, wherein the first and second photomasks comprise a first transfer pattern containing a light transmitting part, a shading part and a semi-light transmitting part, and are the same photomask, or the second photomask is the photomask of the second transfer pattern formed by processing the first transfer pattern possessed by the first photomask.

The invention discloses a bidirectional shooting device, which is characterized by comprising a shell, a first window, a second window, a shooting window, a one-way photoscope and a mirror array, wherein the one-way photoscope is used for reflecting light entering from the first window onto the shooting window by using the reflective panel of the one-way photoscope; the mirror array is used for changing the light path of light entering from the second window so as to make the light pass through the one-way photoscope from the illuminating surface of the one-way photoscope and enter the shooting window; the first window and the second window are parallel with each other; the shooting window is positioned between the first window and the second window; and the first window and the second window are provided with a controllable shading device respectively. By the bidirectional shooting device, bidirectional shooting is realized, two images in opposite directions can be shot by one shooting platform, cost is saved, coaxial bidirectional shooting can be realized, target images on the same straight line on both sides can be shot by a single camera, and optical axis superposition accuracy is high.

The invention discloses an overlapping sewing device which comprises a feeding plate, a storage plate, a driving device, a visual system, a rotating device and a manipulator. The feeding plate and the storage place are used for supporting cut parts, the driving device is used for driving the corresponding feeding plate to move to a position above or far away from the storage plate, the visual system is used for recognizing the positions of the cut parts placed on the feeding plate and recognizing the positions of the cut parts placed on the storage plate, the rotating device is used for controlling the storage plate to rotate according to recognition results of the visual system, so that the angle of one cut part on the storage place is adjusted to be as same as that of another cut part on an adjacent layer above the cut part, and the manipulator is used for moving one cut part on the feeding plate to be aligned to another cut part on an adjacent layer under the cut part according to the recognition results of the visual system and rotating results of the rotating device. The rotating device is matched with the manipulator to adjust relative positions of the cut parts, program setting complexity in the manipulator can be simplified, operation time is reduced, and overlapping accuracy of the cut parts is improved.

The invention discloses an optical correction method for a reflection-type anti-image rotation component of an aerospace optical remote sensing instrument. Two internal focusing telescopes that are coaxial with each other and coincide with the optical axis of the whole machine are used to align the rotating shafts at both ends of the anti-image rotation component respectively. The center can quickly adjust and coincide the rotation axis of the image elimination rotator assembly with the optical axis of the whole system, and accurately judge and correct the relative position between the internal optical reflection surfaces of the image elimination rotator assembly. Optical correction of the three-axis coincidence of the optical axis of the machine system. When the anti-image rotation assembly rotates, the included angle between the shaking of the image point around the axis and the optical axis of the whole system is better than 10". The advantage of the present invention is that the method of the present invention quickly and accurately corrects the reflective anti-image rotation assembly of the aerospace optical remote sensing instrument, By improving the coincidence accuracy of the optical axis of the inner focusing telescope, the optical axis of the whole machine system and the rotation axis of the image elimination rotation assembly, the correction accuracy of the image elimination rotation assembly can be improved.

An exposure apparatus (1) relatively scans a glass board (8) with laser beams irradiated from an exposure optical system (3) in a direction orthogonally intersecting a shifting direction (arrow A) of the glass board, and exposes a functional pattern at a prescribed pitch on the glass board (8). The exposure apparatus is provided with an image pickup means (5) for picking up an image of a pixel ofa black matrix previously formed on the glass board (8), and an optical system control means (7), which performs a prescribed image process to the pixel image data obtained by the image pickup means (5), a defect is removed from a pixel row image in one scanning area of the laser beams to generate a defect-free pixel row image, detects a reference position of exposure start or completion in the defect-free pixel row image, and controls laser beam irradiation start or irradiation stop of the laser beams, having the reference position as a reference. Thus, alignment accuracy of the functional pattern is improved and cost increase of the exposure apparatus is suppressed.

An exposure apparatus (1) relatively scans a glass board (8) with laser beams irradiated from an exposure optical system (3) in a direction orthogonally intersecting a shifting direction (arrow A) of the glass board, and exposes a functional pattern at a prescribed pitch on the glass board (8). The exposure apparatus is provided with an image pickup means (5) for picking up an image of a pixel of a black matrix previously formed on the glass board (8), and an optical system control means (7), which performs a prescribed image process to the pixel image data obtained by the image pickup means (5), a defect is removed from a pixel row image in one scanning area of the laser beams to generate a defect-free pixel row image, detects a reference position of exposure start or completion in the defect-free pixel row image, and controls laser beam irradiation start or irradiation stop of the laser beams, having the reference position as a reference. Thus, alignment accuracy of the functional pattern is improved and cost increase of the exposure apparatus is suppressed.