35results about How to "Solve the problem of difficult alignment" patented technology

The invention relates to a collimating film, in particular to a collimating film in the field of image recognition and a preparation method of the collimating film. In order to solve the problem that two layers of collimating diaphragms in a traditional rigid collimating sheet are difficult to align, the invention provides a collimating film and a preparation method of the collimating film. The collimating film sequentially comprises a collimating lens layer, a flexible substrate layer and a collimating hole layer; the collimating lens layer comprises a micro-lens array and a lens layer, and the collimating hole layer comprises a collimating hole array; the distribution of the collimation hole array is completely consistent with that of the micro-lens array; and the micro lens arrays of the collimating lens layer are arranged in order. The collimating film provided by the invention only comprises one collimating hole layer, so that the problem that two collimating diaphragms are difficult to align is solved. The collimating film can collimate and filter diffused light at a single-point pixel of an image to a certain extent to form a normal small-beam optical signal, transmits the normal small-beam optical signal to a corresponding photoelectric sensor, and is particularly suitable for a large-size, ultrathin and even flexible image recognition module.

The invention belongs to the field of image recognition, and particularly relates to a collimating film, an interference-reducing collimating film, a laminated collimating film, a hole-sealing laminated collimating film and an image recognition module. The invention provides a collimating film, an interference-reducing collimating film, a laminated collimating film, a hole-sealing fitting type collimating film and an image recognition module in order to solve the problem of bubbles of a laminated collimating film designed by adopting a relatively thick light shielding layer. The hole-sealing laminated collimating film comprises the collimating film, a flat layer and a laminating adhesive layer, wherein the lower surface of the flat layer is smooth and flat, the upper surface of the flat layer is in full contact with the lower surface of the shading medium and the lower surface of the substrate layer in the area of the collimating hole, and the collimating hole is fully filled by the flat layer; and the lower surface of the flat layer is laminated to the laminating adhesive layer. The raw material of the flat layer is selected from a solvent type transparent resin system. The hole-sealing laminated collimating film provided by the invention is applied to an image recognition module, so that the recognition accuracy of the image recognition module is high.

The invention belongs to the field of image recognition, and particularly relates to a collimating film, an interference-reducing collimating film, a laminated collimating film, a hole-sealing laminated collimating film and a preparation method thereof. In order to solve the problem of bubbles of a laminated collimating film designed by adopting a relatively thick light shielding layer, the invention provides the collimating film, the interference-reducing collimating film, the laminated collimating film, the hole-sealing laminated collimating film and the preparation method thereof. The hole-sealing laminated collimating film comprises a collimating lens layer, a flexible substrate layer, a collimating hole layer and a laminating adhesive layer, wherein the collimating lens layer comprises a micro-lens array and a lens layer; the collimating hole layer is a collimating through path layer, and the collimating through path layer comprises a columnar collimating through path array and a shading medium. The hole-sealing laminated collimating film provided by the invention is applied to an image recognition module, so that the recognition accuracy of the image recognition module is high.

The invention belongs to the field of image recognition, and particularly relates to a collimating film, an interference-reducing collimating film, a laminated collimating film and a hole-sealing laminated collimating film. The invention provides a collimating film, an interference-reducing collimating film, a laminated collimating film and a hole-sealing laminated collimating film in order to solve the problem of bubbles of a laminated collimating film designed by adopting a relatively thick light shielding layer. The hole-sealing laminated collimating film comprises a collimating film, a flat layer and a laminating adhesive layer, wherein the lower surface of the flat layer is smooth and flat, the upper surface of the flat layer is in full contact with the lower surface of the shading medium and the lower surface of the substrate layer in the area of the collimating hole, and the collimating hole is fully filled by the flat layer; and the lower surface of the flat layer is laminated to the laminating adhesive layer. The raw material of the flat layer is selected from a solvent-free low-viscosity transparent resin system. The hole-sealing laminated collimating film provided by the invention is applied to an image recognition module, so that the recognition accuracy of the image recognition module is high.

The invention belongs to the field of image recognition, and particularly relates to a collimation film, an interference reduction collimation film, a sunshine prevention collimation film and an image recognition module. In order to solve the problem that two layers of collimation diaphragms in a traditional rigid collimation sheet are difficult to align, the invention provides a collimation film, an interference reduction collimation film, a sunshine prevention collimation film and an image recognition module. The sunshine prevention collimation film sequentially comprises an upper attaching adhesive layer, a low-refractive-index filling layer, a high-refractive-index collimation lens layer, a flexible base body layer, a collimation hole layer and a lower attaching adhesive layer, and further comprises an infrared cut-off layer. The sunshine prevention collimation film provided by the invention solves the problem of fingerprint unlocking failure under strong sunlight, and can be applied to fingerprint unlocking and the like of consumer electronics such as mobile phones (OLED screens).

The invention discloses an inclined boosting type lifting device with a slidable bracket. The lifting device comprises a rotary bracket, a driving cylinder and a first support lug. The lower end of the rotary bracket is hinged to a first support; the lower end of the driving cylinder is hinged to a second support; and the upper ends of the rotary bracket and the driving cylinder are hinged on thefirst support lug; and a bracket is slidably installed on the first support lug. The purpose of the invention is to provide an inclined boosting type lifting device with a slidable bracket. The inclined boosting type lifting device can conveniently and quickly lift an erecting oil cylinder, solves the problem that the centring of the erecting oil cylinder and a pin hole of a launching cylinder aredifficult, reduces the labor intensity, improves the efficiency, and significantly improves the safety during the operation.

The invention discloses a polyamic acid resin component, which contains layered nanometer silica and or nanometer powder to prepare polyimide film with modified size safety, low hydroscopicity, high transparent property and low thermal bulking coefficient (CTE) for flexible printing circuit board and LED circuit board.

The invention provides a fixture for manufacturing left and right supports of a beam of an automotive instrument, which is high in cost performance, simple in operation and complete in alignment. The fixture comprises a beam-shaped base, and clamping mechanisms and an alignment mechanism that are arranged on the base, wherein the clamping mechanisms are arranged on two ends of the base and in the middle of the base, and the alignment mechanism is arranged in the middle of the base. By adoption of the structure, the fixture can accurately align the left and right supports of the beam of the automotive instrument, solve the problem of difficult alignment on the left and right supports of the beam of the automotive instrument, overcome the deficiency that the alignment efficiency is low and can not meet production requirement, and is especially suitable for alignment of mass-produced parts in industry, thus omitting complicated steps of an original device, and greatly improving the efficiency of alignment work.

An electronic device includes a flexible circuit board and a circuit board connected with it, which has two first weld parts, one multifunction open-end and a second positioning part. The first weld parts are parallel strips and in a line, the multifunction open-end is a strip having an anti-spill Sn part and a first positioning part. The anti-spill Sn part is set between the first weld parts and in a same length with them, the first part is connected with the first end of the anti-spill Sn part, said second part is set on the extension line of the multifunction open-end length direction and in a gap with its second end of the Sn part.

The invention provides an alignment mark recognition system, which uses the visible area of ​​the touch module to set a transparent alignment mark made of a phase delay material, and then passes through two polarizers so that the light receiver can effectively identify the alignment mark. The alignment procedure for graphics has improved the problem that there is no space to set the alignment mark in the border wiring area of ​​​​narrow bezel products.

The invention discloses a field-emission high-accuracy double-gate structure for reducing electron interception and an installation method thereof. The double-gate structure comprises a negative electrode substrate, a ceramic bottom plate, a negative electrode, a first gate net metal sheet, a second gate net metal sheet, a positive electrode plate, first ceramic posts, second ceramic posts and third ceramic posts, wherein the positive electrode plate is arranged on the ceramic bottom plate and is connected with the ceramic bottom plate via the two first ceramic posts, the first gate net metalsheet is arranged between the positive electrode plate and the ceramic bottom plate and is connected with the ceramic bottom plate via the two second ceramic posts, the second gate net metal sheet isarranged between the positive electrode plate and the first gate net metal sheet and is connected with the ceramic bottom plate via the two third ceramic posts, the first gate net metal sheet and thesecond gate net metal sheet are arranged in a cross way, positioning rods are arranged among the positioning holes, the negative electrode substrate is arranged at a central part of a bottom surface of the ceramic bottom plate, and the negative electrode penetrates through the ceramic bottom plate and is connected with the negative electrode substrate. By the double-gate structure, the problem ofdifficulty in alignment between a pattern negative electrode and a gate net hole can be solved, the alignment of a gate net can be substantially improved, and the transmittance of the gate net is improved.

A polarization multiplexing device used in projection systems to convert unpolarized light into polarized light with the same polarization state. The polarization multiplexing device includes a group of polarization multiplexing units. All the polarization multiplexing units are arranged in an end-to-end manner, wherein each polarization multiplexing unit has an incident surface and an exit surface opposite to the incident surface, and includes a light conversion element, a light beam splitting component and a light reflective components. The light conversion element is used to convert the first polarized light into the second polarized light. The light beam splitting component is located on one side of the light conversion element, and is used to split the unpolarized light incident from the incident surface into the second polarized light emitted from the exit surface and the first polarized light directed to the light conversion element. polarized light. The light reflection component is located on the other side of the light conversion element, and is used for reflecting the second polarized light converted by the light conversion element so that the second polarized light is emitted from the exit surface.

The invention discloses an outboard propulsion engine comprehensive performance test bed and test method and an outboard propulsion engine comprehensive performance test bed centering method. The problem that in the prior art, a propeller output shaft is liable to fracture and is difficult to center is solved. The test bed, the test method and the centering method have the beneficial effects thata true working water environment of an outboard propulsion engine can be accurately simulated and a fatigue fracture risk of the propeller output shaft can be reduced. According to the scheme, the outboard propulsion engine comprehensive performance test bed comprises an inner water tank which is used for simulating a working water environment of the outboard propulsion engine, wherein the inner water tank is set in an outer water tank and protrudes out of the outer water tank; the inner water tank is equipped with a water outlet communicated with the outer water tank; the outboard propulsionengine can be set in the inner water tank; the outboard propulsion engine is connected with a fixing frame; the propeller output shaft of the outboard propulsion engine is connected with a power transmission shaft; and the power transmission shaft passes through the inner water tank and is connected with a dynamometer.

The invention discloses a lifting device with a slidable and tiltable bracket, which includes a slewing bracket, a drive cylinder and a first lug, the lower end of the slewing bracket is hinged to the first support, and the drive cylinder The lower end is hinged to the second support, and the upper ends of the slewing bracket and the drive cylinder are both hinged to the first lug on which a bracket is slidably mounted. Its purpose is to provide a lifting device with a slidable and tiltable bracket, which can lift the erecting cylinder conveniently and quickly, and solve the problem of difficulty in aligning the erecting cylinder with the pin hole of the launch tube. Reduce labor intensity, improve efficiency, and significantly improve safety during operation.

The invention discloses a sea condition self-adaptive deploying and recovering device for rapid deployment and deployment of an unmanned boat, and relates to the technical field of ship facilities, including artificial floating docks, towing cables, netting cables, netting cables, hanging cables, Recycling net, collision net and net locking device; a dock cabin is provided in the middle of the artificial floating dock; suspension cables are used to hoist the artificial floating dock and support the hull; It is connected with the upper end and lower end of the net-supporting cable; the net-retracting cable is connected with the net-supporting cable; the dragging cable is arranged on both sides of the front of the dock; the net-crashing and net-locking device is arranged at the front end of the manned or unmanned boat. The suspension cable can not only hoist the artificial floating dock, but also support manned or unmanned boats. Combined with the collision net and locking device to hook the recovery net, it can ensure that the left and right, front and rear, and up and down displacements of manned or unmanned boats can be controlled. , so as to reduce the difficulty of recovery and deployment, and avoid problems such as collision damage of the small boat, severe and uncontrollable shaking of the boat during lifting.

The invention relates to a rotor and housing assembly device of a micro-motor automatic packaging machine, including a frame, a housing guide rail, a turntable, a stepping drive device and a rotor pushing mechanism, and a plurality of semicircular cross-sections are arranged at equal intervals on the circumference of the turntable The magnetic suction groove; the rotor pushing mechanism includes a push-in lifting mechanism, a rotor push rod, a transfer lifting mechanism, a transfer lifting seat, a transfer base plate, a transfer fixed clip, a transfer movable clip and a transfer cylinder. Due to the transfer of the movable clip and the transfer of the fixed clip to form the guide cylinder for transfer and transition, the problem of difficult alignment between the magnetic groove on the turntable and the guide rail of the housing is solved, and the rotor is always under the limit of the guide cylinder. , to avoid the momentary suspended state of the rotor during the push-in process, to ensure that the rotor remains stable during the push-in process, to ensure that the rotor and the housing are accurately aligned, and the lower end of the rotor shaft can be accurately inserted into the shaft hole at the lower end of the housing, so that the micro The packaging of the motor enables fully automated production.

The invention relates to a coal cutter hollow shaft machining method. The coal cutter hollow shaft machining method comprises the following machining steps that a coal cutter hollow shaft initial baris got to be machined into a spline small-diameter through hole, and a centre hole semi-finished product is machined; the left and right ends are subject to rough turning; taper faces are subject turning trimming; u-turning is carried out, one end is clamped by a chuck, the other end is fixed through a center support of a lathe, a center hole in the other end is formed through turning, and the taper face is formed through trimming; the left and right ends are subject to semi-finish turning; one end is clamped by the chuck, the other end is ejected by the center support, spline small diameter is formed through drilling, and spline end face angles are chamfered; a mandrel is installed, an iron core stopping part is subject to finish turning, and the left and right end are subject to finish turning; seventhly, the installed mandrel is hit to be tight, the right end and the left end are subject to finish turning, a hollow shaft of the inner taper face is matched with the grinding centre tobe installed on a grinding machine, and the hollow shaft is subject to grinding treatment. The invention further provides a grinding centre used for grinding the hollow shaft. By means of the methodand the grinding centre, coal cutter hollow shaft grinding operation can be conveniently and accurately carried out.

The invention relates to a screw rod centering method and a device of a double-geared roller crusher and belongs to the technical field of adjustment of the double-geared roller crusher. The invention adopts the technical scheme that a crushing system adjustment device is in an eccentric cup structure; a support plate is square; a lead screw nut mechanism is arranged at each of four corners; each lead screw nut mechanism consists of screw rods (1), a support plate (2), lock nuts (3), lower nuts (7), upper fixing nuts (4) and lower fixing nuts (5); a base (6) is fixed; and a plurality of strip-shaped mounting holes (8) are formed in the support plates. According to the method and the device, a horizontal center distance between two rollers of a crushing system is adjusted by adjusting the eccentric cup structure; free ascent and descent of the support plates is achieved by a lead screw adjustment structure; a horizontal position of a motor or a speed reducer is adjusted via the strip-shaped mounting holes, so as to achieve center height centering jointly; on-site particle size adjustment difficulty is reduced; overhaul time is shortened; and further, stable operation and a rated service life of the double-geared roller crusher are ensured.