21 results about "Laser coating" patented technology

The invention provides a system and a method for accurately removing a coating at a mounting position of a sprayed workpiece, and relates to the technical field of surface treatment in mechanical manufacturing, the system comprises a visual scanning module, a positioning module, a control system, an execution mechanism, a real-time monitoring module and an auxiliary device, the method comprises a system initialization and calibration step, a visual scanning and hole site three-dimensional positioning step, a path planning and laser parameter adaptation step, a multi-mechanical-arm collaborative operation deployment step, a coating removal execution and real-time regulation and control step and a quality detection and correction step. According to the method, a dynamic coupling adjustment mechanism of the density between the track points and the laser parameters is achieved, the scanning rate is increased to improve the efficiency, the efficiency and quality dual-optimization target is achieved, and a basis is provided for efficient and intelligent laser coating removal.

The utility model discloses an integrated chip laser coating preparation device, and relates to the technical field of integrated chip processing devices. The coating device comprises a bottom plate, a placing table is fixedly connected to the top of the bottom plate, a clamping mechanism is fixedly connected to an inner cavity of the placing table, a coating mechanism is movably connected to the top of the bottom plate, and a feeding mechanism is arranged on one side of the bottom plate. The first motor rotates to drive the clamps on the two sides to contract inwards, chips of different sizes can be clamped, the convenience of the clamping mechanism is improved, the production cost of the device is reduced, the non-slip mats are arranged in the clamps, the chips can be fixed more firmly, the chips can be protected from being damaged by the clamps to a certain extent, and the production efficiency is improved. And the distance between the connecting rod and the third motor can be adjusted through a bolt and an adjusting hole, so that the movement range of the laser transmitter is reduced or increased, chips of different sizes can be coated by the laser transmitter, and the flexibility and universality of the whole device are improved.

In a method for producing a coated workpiece (110), a rotationally symmetric functional layer (170-1, 170-2) with respect to a rotational axis of the workpiece is applied to at least one surface of the workpiece in at least one coating operation using laser radiation. For this purpose, the workpiece is set into a rotational movement about its rotational axis (114), and a laser beam (LS) directed towards the surface is generated. This laser beam is guided in a beam direction at an angle of incidence (EW) onto an impact zone (ZO) in a coating area of ​​the surface. At least one, preferably powdered, additive material is supplied to the laser beam such that the additive material is heated and / or at least partially melted in an interaction zone by the laser radiation of the laser beam and bonds at least partially with heated material on the surface in the area of ​​the impact zone (ZO).A relative movement between the workpiece (110) and the laser processing head (200) is generated such that, with the workpiece rotating, the impact zone passes through all positions within the coating area at least once. The relative orientation between the rotation axis (114) of the workpiece and an orientation of the laser processing head (200) is changed during at least one angular change phase of the coating operation via control signals from a control unit according to a predefined setting.

The invention discloses a cladding coating profile curve modeling method under the action of high-speed laser, relates to the field of laser cladding, solves the problem of poor cladding effect of an existing laser coating cladding method, and comprises the following steps: S1, carrying out three-dimensional modeling on a regional space where a target to-be-cladded matrix is located to obtain model preliminary creation data, s2, coating edge sampling points of a target to-be-cladded base body are recognized and connected to obtain a cladding coating profile curve, the cladding coating profile curve is marked on the cladding base body sub-model to obtain a cladding coating profile curve model, and S3, laser cladding is conducted on the target to-be-cladded base body according to the cladding coating profile curve model to obtain a cladding coating profile curve model. And according to the cladding process, cladding operation abnormity early warning is carried out on the target to-be-cladded base body. The accuracy and safety of the cladding process can be guaranteed.

The invention discloses an edge-emitting semiconductor laser film coating accompanying strip device which comprises a base and a vertical plate, a first gas guide cavity is formed in the base, a nitrogen storage device is arranged on the side, away from the vertical plate, of the base, a gas outlet pipe of the nitrogen storage device is communicated with the first gas guide cavity, and a plurality of accompanying strips are arranged on the upper end face of the base. A second air guide cavity is formed in the accompanying strip, the accompanying strip comprises a straight plate part and convex plate parts fixedly connected to the two ends of the straight plate part, inclined blowing holes corresponding to the active area of the edge-emitting semiconductor laser are formed in the two sides of each convex plate part, and the inclined blowing holes are communicated with the second air guide cavity; second through holes communicated with the second air guide cavities are formed in the lower end face of the straight plate part, a plurality of first through holes communicated with the first air guide cavities are formed in the base, and the second through holes are communicated with the corresponding first through holes. According to the invention, an active area of the edge-emitting semiconductor laser can be prevented from being shielded during film coating, and meanwhile, the coating film is ensured to have relatively good adhesion and mechanical strength to the surface and the side surface of a device.

The utility model relates to the technical field of material coating equipment, and particularly provides laser coating equipment. The utility model aims to solve the problems of large equipment size, high cost and unsuitability for small-sized test occasions in the conventional magnetron sputtering film deposition method. Therefore, the laser coating equipment comprises a box body, a laser generating device, a first fixing device, a second fixing device and a reflecting device, wherein the first fixing device, the second fixing device and the reflecting device are arranged in the box body; the first fixing device and the second fixing device are arranged at intervals in the vertical direction. The reflection device is located on the side, away from the first fixing device, of the second fixing device. The first fixing device is used for clamping and fixing a target material, the second fixing device is used for clamping and fixing a substrate to be coated, the laser generating device can emit laser towards the reflecting device, and the reflecting device is arranged to be capable of receiving the laser and reflecting the laser. The device is simple in structure, small in size, convenient to assemble and use, low in cost and suitable for small experiment occasions.

The application discloses a kind of oxygen consumption type laser cladding wear-resistant self-lubricating titanium alloy and preparation method, including the raw material h-BN@TiO2, TiO2 And CuO are mixed to obtain mixed powder, then mixed powder is placed on the surface of titanium alloy, the thickness of powder laying is 1~1.5mm, laser cladding equipment is used in air to the titanium alloy that has been laid with mixed powder is carried out laser cladding, and the laser cladding equipment is obtained;The mass percentage of each component of the raw material is: TiO2:92~98wt%, h-BN@TiO2:1~10wt%, CuO:1~2wt%.It can be directly carried out in air laser cladding, solves the problem that oxygen element is introduced into laser coating and can form pore, crack and other defects.Problems.CuO and TiO2 are also coated h-BN powder into coating, so that the cladding powder forms coating under lower laser power, avoids self-lubricating phase h-BN to decompose a lot, and forms lubricating film in the process of friction experiment, reduces friction coefficient, and further improves the wear resistance of titanium alloy.

In a method for producing a coated workpiece (110), in at least one coating operation a functional layer (170-1, 170-2) which is rotationally symmetrical with respect to an axis of rotation of the workpiece is applied to at least one surface of the workpiece using laser radiation. For this purpose, the workpiece is set in rotational motion about the axis of rotation (114) thereof, and a laser beam (LS) directed onto the surface is generated, which is guided in a beam direction at an angle of incidence (EW) onto an impingement zone (ZO) in a coating region of the surface. At least one, preferably powdered, filler material is supplied to the laser beam in such a way that the filler material is heated and / or at least partially melted in an interaction zone by laser radiation of the laser beam, and bonds at least partially to heated material on the surface in the region of the impingement zone (ZO). A relative movement between the workpiece (110) and the laser machining head (200) is produced such that the impingement zone passes through all positions within the coating region at least once when the workpiece rotates. A relative orientation between the axis of rotation (114) of the workpiece and an orientation of the laser machining head (200) is changed during at least one angle-change phase of the coating operation by means of control signals of a control unit according to a specification.

The utility model relates to the field of cladding technology provides a kind of self-cleaning laser cladding equipment, comprising: square frame, still include: guide rail, fixedly connected in the top of the square frame, the opposite side of the inner wall of the guide rail is rotatably connected with screw rod, the outer surface of the screw rod is threadedly connected with L-shaped plate, one side of the guide rail is fixedly connected with motor one, the output end of the motor one is fixedly connected in one end of screw rod, the top of the L-shaped plate is equidistantly fixedly connected with multiple laser cladding equipment main parts. The utility model, by the movement of L-shaped plate, can drive L-shaped block and brush plate to move to one side, the coating material powder on the baffle is swept, makes coating material powder fall through the bar-shaped groove to bottom frame, and is collected by collecting frame, so when laser coating is carried out to row pipe, coating material powder on the baffle can be cleaned automatically, without suspending laser cladding operation to row pipe, to improve the efficiency of row pipe laser cladding.

1. The name of this design product: fiber laser. 2. Application of this design product: Suitable for laser processing fields, used for laser marking, laser cleaning, laser additive manufacturing, laser welding, laser cutting, laser heat treatment and laser coating, etc. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: Stereoscopic drawing 1.

The utility model relates to the technical field of pipeline dredging and cleaning, in particular to a descaling, dewaxing, cleaning and repairing device for an oil field pipeline. An integrated descaling device for oil field pipelines comprises a drill bit, a first mounting shell, a second mounting shell and a third mounting shell which are sequentially arranged. The drill bit and the first mounting shell, the first mounting shell and the second mounting shell, and the second mounting shell and the third mounting shell are connected through telescopic assemblies. A brush is arranged on the outer side wall of the first mounting shell in a surrounding mode, the second mounting shell is provided with a monitoring device, and the third mounting shell is provided with laser coating equipment. The drilling machine further comprises a ground control system, and the ground control system is electrically connected with the drill bit, the first mounting shell, the second mounting shell and the third mounting shell. The drill bit, the first installation shell, the second installation shell and the third installation shell are sequentially connected through the telescopic assemblies, and the connection mode enables the drill bit to freely advance and retreat in a bent pipeline.

1. The name of this design product: Modular air-cooled laser. 2. Application of this design product: This product is used in laser industry fields such as laser marking, laser cleaning, laser additive manufacturing, laser welding, laser cutting, laser heat treatment, laser coating and laser chemistry. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: Stereoscopic drawing 1.

The invention provides a wind turbine generator large gear ring gear wear repair method, belongs to the technical field of wind power generation, and aims to solve the problem of large gear ring gear wear repair. Comprising the following steps: S1, detecting the wear state of a gear to judge whether the gear has an on-tower repair value or not; s2, if the gear has the on-tower repair value, acquiring tooth profile parameters of the unworn part of the gear as repair parameters of the worn part; s3, according to the abrasion depth and the repairing parameters, laser coating is conducted on the abrasion position; s4, roughly repairing the coated part, and detecting the tooth surface hardness of the coated part so as to judge whether the tooth surface hardness reaches the standard or not; s5, if the hardness of the tooth surface reaches the standard, the coating position is subjected to fine trimming according to the repairing parameters; and S6, test run operation is carried out to confirm the tooth surface meshing state. The original performance of the gear can be recovered to the maximum extent, and the maintenance cost is reduced.

This invention relates to a method for fabricating an HTBC battery, comprising: substrate pretreatment, performing front-side coating on the pretreated substrate; and back-side coating and patterning on the substrate, including the following steps: S1: preparing a SiO2+n-Poly-Si layer and performing a first laser; S2: performing PECVD coating to form an intrinsic amorphous layer and a P-type amorphous silicon layer; S3: performing a second laser on the intrinsic amorphous layer and the P-type amorphous silicon layer to expose the P-region; S4: forming a transparent conductive layer; S5: performing a third laser; and printing insulating adhesive and fabricating metal electrodes. Through the coating process and the three-step laser patterning process, precise patterning of the N-type region, P-type region, and transparent conductive layer is achieved, effectively solving the insulation problems of the PN region and the insulation around the battery, reducing battery leakage, and increasing the effective working area of ​​the battery, thereby improving the photoelectric conversion efficiency.

The invention provides a semiconductor laser coating reflectivity determination method and a semiconductor laser, and the method comprises the steps: generating a target relational expression according to the physical parameters of an equivalent mixing cavity formed by the semiconductor laser and an output coupling mirror, the target relational expression represents the relationship among the first reflectivity of the front cavity surface of the equivalent mixing cavity, the second reflectivity of the front cavity surface of the semiconductor laser and the third reflectivity of the output coupling mirror; different second reflectivity is selected from a second preset range, different third reflectivity is selected from a third preset range and substituted into the target relational expression, and a first preset range of the first reflectivity is determined; under the condition that the first preset range covers the target range, verifying the mode of the equivalent mixing cavity; and under the condition that the equivalent mixing cavity mode is dominated by the inner cavity mode of the semiconductor laser, testing the output performance of the semiconductor laser by using a reflectivity measuring device, and determining the target coating reflectivity of the semiconductor laser based on the output performance.

The invention relates to a device (1) for laser coating workpieces (2), the device having a working chamber (3) in which a laser-coating unit (4) with a laser (5) and a gas particle supply means (6) and at least two working positions (7, 8) for laser coating workpieces (2) are arranged, wherein, for each of the working positions (7, 8), the device (1) has a changeover device (9, 10) for loading the working positions (7, 8) with workpieces (2), and has a laser-positioning drive (11) configured to move the laser (5) of the laser-coating unit (4) between the working positions (7, 8) in order to work on workpieces (2) at each of the at least two working positions (7, 8).

The invention relates to the technical field of optical material coating, and provides an optical material coating system and method based on self-feedback, the system comprises a machine body, the machine body is provided with a machine cavity, and the machine cavity is internally provided with a laser coating mechanism, a processing table mechanism and a movable cleaning mechanism; the machining mechanism comprises a machining plate, the machining plate is fixedly connected to the inner wall of the machine cavity, and two or more containing grooves are formed in the machining plate; the cleaning mechanism comprises an electric sliding seat, an electric sliding plate and a guide rail, the guide rail is fixedly connected to the inner wall of the machine cavity, the electric sliding seat is slidably connected to the guide rail, a first displacement sensor is arranged in the electric sliding seat, the electric sliding plate is slidably connected to the bottom wall of the electric sliding seat, a wiping mechanism is arranged on the electric sliding plate, and a second displacement sensor is arranged in the electric sliding plate. Automatic cleaning and film coating are integrated, and the production efficiency and the cleaning quality are improved.

The present application provides a corrosion-resistant aluminum-magnesium-manganese alloy clad steel wire, a preparation process for the corrosion-resistant aluminum-magnesium-manganese alloy clad steel wire, and an overhead stranded wire comprising the corrosion-resistant aluminum-magnesium-manganese alloy clad steel wire; the aluminum-magnesium-manganese alloy clad steel wire is composed of a steel wire and an aluminum-magnesium-manganese alloy layer uniformly coated on the surface of the steel wire and tightly bonded to the steel wire; the preparation process comprises preparing an aluminum-magnesium-manganese alloy ingot, rolling an aluminum-magnesium-manganese alloy coil, washing the aluminum-magnesium-manganese alloy coil with hot water, pre-treating the steel wire, laser coating welding, compression drawing, and then preparing the overhead stranded wire based on the aluminum-magnesium-manganese alloy clad steel wire; the aluminum-magnesium-manganese alloy layer has a uniform thickness, so that the aluminum-magnesium-manganese alloy layer and the steel wire have high concentricity after coating, reducing exposed steel, and at the same time, the laser longitudinal coating welding makes the weld sealing high, thereby improving the corrosion resistance of the aluminum-magnesium-manganese alloy clad steel wire.

The invention provides a laser coating for a laser film and a preparation method and application thereof, and the laser coating comprises the following raw materials by mass: 115 parts of composite acrylate, 5-10 parts of a modified core-shell filler, 3-9 parts of a photoinitiator, and 0.1-1 part of a leveling agent; the composite acrylate is prepared from polypeptide modified acrylate, hydroxyethyl acrylate and polydipentaerythritol hexaacrylate, and the mass part ratio of the polypeptide modified acrylate to the hydroxyethyl acrylate to the polydipentaerythritol hexaacrylate is 1 to (0.7 to 1) to (0.8 to 1.2); the modified core-shell filler comprises a cerium dioxide core and a silicon dioxide shell. The laser coating is applied to a laser film, can enable the laser film to have excellent weather resistance, is suitable for the fields of packaging, decoration, safety anti-counterfeiting and the like, and has good practical value and market prospect.

The utility model relates to laser processing technical field, especially a kind of laser coating device of drill bit processing, including bottom plate, the lower end four corners of bottom plate are uniformly connected with support foot, the upper end middle part of bottom plate is equipped with limit slot, the upper end left part and upper end right part of bottom plate are uniformly connected with fixed plate, the left end of left side fixed plate is fixedly connected with clamping device, the upper end front and upper end rear of bottom plate are uniformly connected with electric telescopic handle, the output end of two electric telescopic handles is commonly fixedly connected with lifting plate, the upper end middle part of lifting plate is equipped with the movable slot of up and down through, the right end front and right end rear of lifting plate are commonly fixedly connected with adjusting device.The utility model relates to a kind of laser coating device of drill bit processing, by setting clamping device, drive two thread sleeve rope to move towards or reverse, realize the automatic adjustment of clamping disc, and different diameters can be quickly adapted.

The part surface treatment equipment comprises a workbench, a movable frame is slidably arranged at the top end of the workbench, a driving part for driving the movable frame to move is arranged at the top end of the workbench, L-shaped plates are slidably arranged on the two sides of the inner wall of the movable frame, and the L-shaped plates are connected with the movable frame through sliding assemblies. A polishing roller is rotationally connected between the two L-shaped plates, and a driving motor fixed to the polishing roller is fixed to one side of each L-shaped plate; according to the scheme, when parts with different thicknesses are polished, under the movement of the adjusting assembly, the adjusting rod is driven to move, the adjusting rod drives the L-shaped plate to move, then the polishing roller can be driven to move, the position of the polishing roller can be conveniently adjusted according to the thicknesses of the different parts, full contact between the polishing roller and the surfaces of the parts is facilitated, and the polishing efficiency is improved. Therefore, the parts can be fully polished conveniently, and the polishing effect of the parts is improved.