37results about How to "Marking position is accurate" patented technology

A method for working a nitride semiconductor substrate, comprising the steps of: preparing a disk-shaped nitride semiconductor substrate comprising a plurality of striped regions having defect concentration regions in which crystal defect density is higher than in surrounding low defect regions; and forming a cut-out at a specific location along the edge of the nitride semiconductor substrate, using as a reference the direction in which at least one from among the plurality of striped regions extends.

The present invention provides a marking apparatus for a display panel and a marking method for a display panel. The marking device comprises an image acquiring module, a simulated marking module and a real marking module. A simulated marking line is drawn, by the simulated marking module, in an image acquired by the image acquiring module, of a region containing a position where a defect occurs on a display panel to be marked. The real marking module automatically draws a real marking line on the display panel to be marked according to the simulated marking line. Thus, a position where a defect occurs on a display panel to be marked is accurately marked, and it is convenient for an engineer to accurately locate and sample the defective position in the subsequent analysis process.

The invention discloses a lipstick-marking visual inspection system. The lipstick-marking visual inspection system comprises a laser marking unit, a positioning unit, a front-stage conveying unit, a rear-stage conveying unit, and an ink jet marking unit; an ejection unit is arranged on the rear-stage conveying unit; the laser marking unit comprises a first frame, a laser host and a laser head; a visual inspection probe is disposed on the first frame; the positioning unit comprises a support, a sliding rail and a uniform push cylinder; the front-stage conveying unit comprises a first motor and a front-stage conveying belt; the rear-stage conveying unit comprises a second motor and a rear-state conveying belt; the ejection unit comprises a keep-of cylinder, a defective-product collection plate and a pushing cylinder; a manipulator is connected with the visual inspection probe and the laser host respectively, and the visual inspection probe is connected with the keep-off cylinder and the pushing cylinder respectively. By the arrangement, operation efficiency is high, accepted products are automatically ejected, labor force is saved, and the system is multifunctional.

The invention relates to a laser marking machine. The laser marking machine comprises a rack, a laser marking head, an inputting conveyor belt and an outputting conveyor belt, wherein a marking station is provided with a first clamp and a second clamp which are used for clamping to-be-marked workpieces, a first control piece used for controlling the first clamp to conduct clamping or loosening anda second control piece used for controlling a second control piece to conduct clamping or loosening, the laser marking head is located above the first clamp and the second clamp, and the first clampand the second clamp are located at the two sides of the laser marking head in the horizontal direction respectively. The laser marking machine furthermore comprises a discharging assembly which is used for alternately delivering the workpieces on the first clamp and the second clamp onto the outputting conveyor belt one by one after marking is finished and a feeding assembly which is used for alternately feeding the to-be-marked workpieces on the inputting conveyor belt into the first clamp and the second clamp one by one. According to the technical scheme, the laser marking machine has the advantages of being high in marking precision and efficiency and capable of greatly lowering the cost.

The invention relates to a laser marking machine. The laser marking machine comprises a workbench, a lifting device and a first laser marking device, wherein the lifting device and the first laser marking device are arranged on the workbench. The first laser marking device is arranged on the lifting device. A second laser marking device pointing at the lower portion is arranged at the end portion of the end portion of the first laser marking device, and the workbench is provided with a marking operation table. The second laser marking device corresponds to the marking operation table in position. Compared with the prior art, through mutual cooperation of the lifting device, the first laser marking device and the second laser marking device, the position of the second laser marking device can be adjusted at will through horizontal transverse moving of the lifting device and horizontal longitudinal moving of the first laser marking device, and therefore marking of workpieces at different positions is achieved, the work efficiency is improved, and the work cost is reduced. Meanwhile, a CCD camera corresponds to the marking operation table, the accurate marking position is achieved, and the marking efficiency and the marking precision are improved.

A control device for preventing meandering of patterns for use in a patterned film manufacturing device which includes a film transferring equipment and a pattern forming equipment, includes a marking unit that forms markings on a predetermined reference position on the film, a recognizing unit that is located at the rear of the marking unit and recognizes positions of the markings on the film, a computing unit that computes an amount of meandering based on differences between the reference position and the recognized positions of the markings, a control unit that generates a correction signal for correcting positions of the marking unit and the pattern forming equipment corresponding to the computed the amount of meandering, and a correction unit that receives the correction signal and corrects positions of the marking unit and the pattern forming equipment based on the received correction signal.

The invention discloses an intelligent feeding conveying laser marking machine. The intelligent feeding conveying laser marking machine comprises a machine frame and an installation plate arranged onthe machine frame, and the installation plate is provided with an installation frame; an industrial personal computer and a negative pressure generator are installed in the installation frame; one side of the installation frame is provided with a jacking feeding device, and the other side of the installation frame is provided with a finished product collecting device; and two symmetrically-arranged vertical installation plates are installed on the upper portion of the installation frame, a plurality of parallelly-designed slide rods are connected between the two vertical installation plates, and all the slide rods are slidably connected with a slide driving device. The intelligent feeding conveying laser marking machine is reasonable in design, capable of saving time and labor, high in working efficiency and intelligent automation degree in the whole process, capable of completely replacing manpower, high in working efficiency, precise in marking position, capable of ensuring the marking quality, and suitable for popularization.

A buoy system according to one embodiment of the present invention includes a buoy body configured to provide buoyance; a fixing belt configured to fasten the buoy body to a ship structure; an auto-release unit configured to release the buoy body to be buoyed by releasing the fixing belt when a predetermined water pressure is reached; and an auto-reel chain box fixed to the ship structure, being opened in conjunction with releasing of the fixing belt, and including a chain which is reeled out when the buoy body is buoyed, wherein the auto-reel chain box comprises: a weight provided in the auto-reel chain box and being movable upward and downward according to a water pressure and buoyance; a pulley provided in the auto-reel chain box, having the chain wounded thereon and a plurality of teeth on an outer circumferential surface thereof; and a shaft having one end connected to the weight and the other end engaging with the teeth to fix the pulley and provided to be rotatable around a portion fixed in the auto-reel chain box.

A buoy system according to one embodiment of the present invention includes a buoy body configured to provide buoyance; a fixing belt configured to fasten the buoy body to a ship structure; an auto-release unit configured to release the buoy body to be buoyed by releasing the fixing belt when a predetermined water pressure is reached; and an auto-reel chain box fixed to the ship structure, being opened in conjunction with releasing of the fixing belt, and including a chain which is reeled out when the buoy body is buoyed, wherein the auto-reel chain box comprises: a weight provided in the auto-reel chain box and being movable upward and downward according to a water pressure and buoyance; a pulley provided in the auto-reel chain box, having the chain wounded thereon and a plurality of teeth on an outer circumferential surface thereof; and a shaft having one end connected to the weight and the other end engaging with the teeth to fix the pulley and provided to be rotatable around a portion fixed in the auto-reel chain box.

A detection apparatus, which detects a mark formed on a lower surface of a target object, includes: a first detector which illuminates the mark from an upper surface side of the target object to detect an image of the illuminated mark; a second detector which detects an upper surface position of the target object; and a processor which obtains information indicating a focus position to focus on the mark in the first detector, based on the upper surface position detected by the second detector.

The invention belongs to the automobile parts manufacturing field and discloses a mark printing device for annular workpieces. The mark printing device comprises a rack; the rack is provided with a fixing mechanism and a mark printing mechanism; the fixing mechanism comprises a fixing disk; the mark printing mechanism is located to one side of the fixing disk and comprises a connection rod; an upper magnetic member is attached to the upper surface of the connection rod; a lower magnetic member is attached to the lower surface of the connection rod; a first electromagnet is slidably connected onto the upper magnetic member; a second electromagnet is slidably connected onto the lower magnetic member; the first electromagnet is fixedly connected with a first curved rod; the second electromagnet is fixedly connected with a second curved rod; the free end of the first curved rod is provided with a first inclined surface; the free end of the second curved rod is provided with a second inclined surface; a first wedge bar is connected with a first annular switch; a second wedge bar is connected with a second annular switch; and the inner sides of the first annular switch and the second annular switch are both provided with mark printing heads. According to the mark printing device for the annular workpieces of the invention, the problem that printed marks on the upper end surface and lower end surface of an annular connecting member are blurred caused by the difference of the thickness of the annular connecting member can be solved.

The invention discloses a road marking device. The road marking device comprises a vehicle body, a first coating tank, a second coating tank, a spraying device, a first guide device, a second guide device, an arrow forming device, a console and a detection device, wherein the first coating tank, the second coating tank, the spraying device, the first guide device, the second guide device, the arrow forming device, the console and the detection device are all arranged on the vehicle body; the first coating tank and the second coating tank are used for containing coating for marking; the spraying device is used for spraying the coating; the first guide device is used for transversely guide the spraying device to spray the coating; the second guide device is used for moving the spraying device to the arrow forming device; the arrow forming device cooperates with the spraying device to spray an arrow-shaped pattern; the detection device is used for detecting whether the vehicle body deviates from a preset driving direction or not; a user can input an operation command through the console, and control the road marking device to mark. The road marking device can be used for accurately controlling marking positions.

The invention discloses an automatic marking machine and a marking method. The automatic marking machine comprises a support, an industrial personal computer arranged on the support, a transmission mechanism connected with the industrial personal computer and a marking device connected with the transmission mechanism; a transmission pipe is arranged on one side of the upper end of the support; a control panel, a second limiting device, a mechanical arm, the marking device and a first limiting device are sequentially arranged above the transmission pipe on the side of the support from left to right; a controller and a length detector are arranged below the transmission pipe; the controller corresponds to the second limiter in position; and the length detector corresponds to the first limiter in position. The automatic marking machine disclosed by the invention can realize that after fishes are put into the machine, then the industrial personal computer and the other parts are used for marking the fishes; the marking positions are accurate; the fishes do not waggle during the marking process; the situation of marking mistake does not occur easily; the marking of each fish is completed within 1s; the marking efficiency is high; the energy consumption is low; and batch marking of fishes can be realized.

A control device for preventing meandering of patterns for use in a patterned film manufacturing device which includes a film transferring equipment and a pattern forming equipment, includes a marking unit that forms markings on a predetermined reference position on the film, a recognizing unit that is located at the rear of the marking unit and recognizes positions of the markings on the film, a computing unit that computes an amount of meandering based on differences between the reference position and the recognized positions of the markings, a control unit that generates a correction signal for correcting positions of the marking unit and the pattern forming equipment corresponding to the computed the amount of meandering, and a correction unit that receives the correction signal and corrects positions of the marking unit and the pattern forming equipment based on the received correction signal.

The present invention provides a marking apparatus for a display panel and a marking method for a display panel. The marking device comprises an image acquiring module, a simulated marking module and a real marking module. A simulated marking line is drawn, by the simulated marking module, in an image acquired by the image acquiring module, of a region containing a position where a defect occurs on a display panel to be marked. The real marking module automatically draws a real marking line on the display panel to be marked according to the simulated marking line. Thus, a position where a defect occurs on a display panel to be marked is accurately marked, and it is convenient for an engineer to accurately locate and sample the defective position in the subsequent analysis process.

The invention discloses a line-marking device for a latch bolt. The device comprises a support, wherein a panel is arranged on the support; a processing device is arranged on the panel, a display device and a feeding device are sequentially arranged on one side of the processing device, and a first line-marking device and a second line-marking device are arranged on the two sides of the front endof the processing device correspondingly. The device is simple in structure and can adapt to products with different sizes and with different positions to be machine; automatic line-marking is achieved, manpower and material resources are saved, and the production efficiency is improved; and the device failure rate is low, and the line-marking position is accurate.

A manual one-piece stamping and marking tool used for part surface identification comprises a potential energy storage / release assembly, a driving hammer and control block assembly, a steel figure and steel figure clamping assembly and a base assembly with unlocking and locking functions. The potential energy storage / release assembly comprises a handle, a guide rod, a ham nut and a compression spring, wherein a threaded hole is formed in the middle of the handle, the two ends of the guide rod are provided with threaded segments, and the guide rod is sleeved with the compression spring. The driving hammer and control block assembly comprises a driving hammer and a control block, wherein the upper portion of the driving hammer is provided with a round hole which is in tiny clearance fit with a cylindrical section at the lower end of the guide rod, and the control block is fixedly connected with the lower end of the guide rod through a threaded pair. The steel figure and steel figure clamping assembly comprises a steel figure, a figure clamp, a figure seat, a first jackscrew and a second jackscrew, wherein the figure seat is fixedly connected with the figure clamp through two first bolts, and the figure seat is floatingly connected with the bottom of the driving hammer through the second jackscrew. The base assembly comprises a base, a lock tongue and a reset spring, wherein the face, making contact with the control block, of the lock tongue is an inclined face. The manual one-piece stamping and marking tool used for part surface identification has the advantages that manual operation is facilitated, efficiency is high, marking positions are accurate, the definition is stable, and the labor intensity is low.

The invention discloses a marker machine positioning device, including a positioning grooved plate and a positioning bar embedded above the positioning grooved plate, the positioning grooved plate is connected with a marker machine work bench, a positioning groove is provided above the positioning grooved plate, the positioning groove laterally tunnels through the positioning groove, one side part above the positioning bar is provided with a gap, the center of the gap and the center of the positioning groove are coaxial, the positioning bar is perpendicular to the positioning groove, the positioning groove atop is provided with a circle arc angle, one end of the circle arc angle is connected with the upper surface of the positioning groove, the center of the gap is provided with a tick mark line, the tick mark line and the center of the positioning groove are coaxial, the gap restricts the axial direction of a work piece, the positioning groove restricts the radial direction of the work piece. The device is simple in operation, convenient to use, increases production efficiency, is accurate in the positioning of a work piece, and has high marking quality.

The invention discloses a lipstick-marking visual inspection system. The lipstick-marking visual inspection system comprises a laser marking unit, a positioning unit, a front-stage conveying unit, a rear-stage conveying unit, and an ink jet marking unit; an ejection unit is arranged on the rear-stage conveying unit; the laser marking unit comprises a first frame, a laser host and a laser head; a visual inspection probe is disposed on the first frame; the positioning unit comprises a support, a sliding rail and a uniform push cylinder; the front-stage conveying unit comprises a first motor and a front-stage conveying belt; the rear-stage conveying unit comprises a second motor and a rear-state conveying belt; the ejection unit comprises a keep-of cylinder, a defective-product collection plate and a pushing cylinder; a manipulator is connected with the visual inspection probe and the laser host respectively, and the visual inspection probe is connected with the keep-off cylinder and the pushing cylinder respectively. By the arrangement, operation efficiency is high, accepted products are automatically ejected, labor force is saved, and the system is multifunctional.

The invention discloses an automatic welding machine for a round pipe heat preservation nail. The automatic welding machine comprises a rack, wherein a heat preservation nail welding machine assemblyand a clamping mechanism are arranged on the rack, the clamping mechanism is used for clamping a to-be-welded pipefitting, the heat preservation nail welding machine assembly is used for welding the heat preservation nail on the to-be-welded pipefitting, and a welding gun of the heat preservation nail welding machine assembly is perpendicular to the axis of the to-be-welded pipefitting. The preservation nail is welded by using the automatic welding machine. The to-be-welded pipefitting is fixed by the clamping mechanism, and the heat preservation nail is welded by the heat preservation nail welding machine assembly without holding the welding machine manually, so that the problem that the heat preservation nail inclines is avoided. Furthermore, the welding gun of the heat preservation nailwelding machine assembly is arranged perpendicular to the axis of the to-be-welded pipefitting, so that the problem that the welding position of the heat preservation nail is inaccurate as a lineation position is inaccurate is avoided. The automatic welding machine reduces the manual operations greatly and guarantees the accurate welding position. The heat preservation nails are uniform in welding parameter and good in quality. The automatic welding machine is high in welding speed and improves the production efficiency and the production quality.

The invention discloses an automatic welding machine for heat preservation nails for round pipes, which includes a frame, on which a heat preservation nail welding machine assembly and a clamping mechanism are arranged, and the clamping mechanism is used to clamp pipe pieces to be welded. The heat preservation nail welding machine assembly is used for welding heat preservation nails on the pipe to be welded, and the welding torch of the heat preservation nail welding machine assembly is perpendicular to the axis of the pipe to be welded. The heat preservation nail welding is carried out by adopting the present invention, the pipe fittings to be welded are fixed with a clamping mechanism, and the heat preservation nail welding is carried out through the heat preservation nail welding machine assembly, without the need for workers to hold the welding machine, avoiding the problem of inclination of heat preservation nails, and the heat preservation nail welding machine assembly The welding torch is set perpendicular to the axis of the pipe fittings to be welded, which avoids the problem of inaccurate welding positions of heat preservation nails caused by inaccurate marking positions. The invention greatly reduces manual operations, ensures accurate welding positions, and uniform welding parameters of each heat preservation nail. The quality is good, and the welding speed is fast, which improves the production efficiency and quality.