10results about How to "Solve glitches" patented technology

The invention discloses a passable map construction method for a leg-foot robot. The passable map construction method comprises the following steps: preprocessing acquired original point cloud information, inertia measurement information, latitude and longitude information and camera image information; performing error state Kalman filtering on the preprocessed point cloud information and inertial measurement information to obtain a rough pose of the robot; the precise pose of the robot is obtained through graph optimization; constructing a 2.5 D grid topographic map through extended Kalman filtering, and processing the 2.5 D grid topographic map to obtain a smooth and void-free grid topographic map; and extracting a normal vector in each unit grid in the grid topographic map, calculating the gradient, gradient change rate, roughness and passability in each unit grid, and maintaining a legged robot passable map in real time through extended Kalman filtering. According to the method, adaptive calculation of the passability of different terrains and materials in the real world is realized, so that the obtained passability graph is more credible.

The invention discloses a design method of a novel pulse power supply. The method comprises the design and architecture relation of circuits such as a switching power supply module, a numerical control processing unit, a pulse waveform generator, a signal amplification and power amplifier, a negative feedback sampling circuit and an output measurement circuit. The numerical control processing unit carries out digital synthesis according to input pulse parameters to generate pulse waveforms, the pulse waveforms are output after passing through the signal amplifier and the power amplifier, the feedback sampling circuit carries out real-time sampling on voltage and current of the pulse power supply and inputs the voltage and current to the numerical control processing unit, and the numerical control processing unit carries out closed-loop control. And high-precision pulse power supply output is achieved. Different from single-bridge or double-bridge switch chopping of an output part of a traditional pulse power supply, the method has the advantages that pulse signals output by the method are accurate and controllable, positive and negative pulse signals are under closed-loop control of a circuit, zero points of output pulses are accurate and do not deviate, small signals are accurate, pulse edges are neat, expansion is easy, and cost is low.

The utility model provides a cutting dust removal device. The cutting dust removal device comprises a rack, a cutting mechanism and an air injection device, the cutting mechanism is installed on the rack, the cutting mechanism is used for laser cutting of the sheets, the air injection device is installed on the rack and used for spraying internal compressed air to the sheets so as to remove foreign matter on the sheets, and the foreign matter at least comprises the foreign matter generated in the cutting process of the cutting mechanism. The device aims at utilizing laser high-temperature cutting to prevent the sheet from generating burrs, and the problem of burrs generated by traditional hardware cutting of the sheet is solved; and meanwhile, welding slag generated by laser cutting is removed through an air injection device.

The invention belongs to the technical field of battery manufacturing, and particularly relates to a battery pole piece and a preparation method thereof and a battery, the battery pole piece comprises a current collector, an active substance layer and a gluing layer, at least one surface of the current collector is coated with the active substance layer, the gluing layer is arranged on the outer side of the active substance layer, the gluing layer is made of high-temperature-resistant insulation glue, the width of the gluing layer is W1, and the width of the gluing layer is W2. W1 is larger than or equal to 1mm and smaller than or equal to 5mm; the current collector is provided with a coating area and a blank area surrounding the outside of the coating area, the active material layer is arranged in the coating area, the gluing layer is arranged on the blank area and partially lapped on the active material layer to form an overlapping part, the width of the overlapping part is W2, and the relation that W2 is larger than 0 mm and smaller than or equal to 0.5 mm is met. According to the invention, the gluing layer of the high-temperature-resistant insulating glue which is firmly adhered to the current collector is prepared at the position, needing to be cut, of the pole piece, and the gluing layer is firmly adhered to the current collector due to good viscosity, so that the problems of powder falling, material falling and burrs of the active substance layer of the pole piece in the slitting or die cutting process are avoided.

The invention discloses lamp tube machining and cutting equipment for LED lamp production, and relates to the technical field of semiconductor lighting, the lamp tube machining and cutting equipment comprises a bottom plate, a mounting frame is fixedly arranged on the outer ring of the top of the bottom plate, a laser cutting machine corresponding to a conveyor is arranged at one end of the bottom of the mounting frame, a grinding mechanism is arranged below the mounting frame, and a pushing mechanism is arranged at the other end of the bottom of the mounting frame; the pushing mechanism comprises a moving plate, a discharging mechanism is arranged on one side of the moving plate and comprises two first vertical plates, and a driving mechanism is arranged on one sides of the first vertical plates; by arranging the grinding mechanism, the grinding mechanism works normally to grind the cutting end face of a lamp tube, the defects of burrs and cracks on the cutting end face of a glass tube are overcome, and the yield is increased; and through the driving mechanism and the discharging mechanism, the driving mechanism works to drive the discharging mechanism to operate, so that the lamp tubes are intermittently discharged, the lamp tube polishing process is conveniently and continuously carried out, and the lamp tube machining efficiency is improved.

The utility model relates to the technical field of packaging printing feeding devices, in particular to a feeding device for packaging box printing, which comprises a working platform, a conveying assembly and an auxiliary feeding assembly, the conveying assembly is arranged at the top of the working platform, and limiting assemblies are symmetrically arranged on two sides of the top of the working platform. A supporting seat is arranged on the front side of the bottom of an inner cavity of the working platform, a transmission assembly used for automatic feeding is arranged between the supporting seat and the conveying assembly in a matched mode, an auxiliary feeding assembly is arranged on the side, close to the transmission assembly, of the top of the working platform, and a control panel is arranged on the side wall of the working platform. Through mutual cooperation of structures in the assemblies, the transmission assembly is synchronously driven to operate when the conveying assembly operates, and the advantage that the paperboard conveying speed and the paperboard feeding speed are the same is achieved.

The application provides a mask manufacturing method and a mask manufactured by the method. The mask manufacturing method comprises the following steps: screen printing a stainless steel sheet as a mask; synchronously cutting the stainless steel sheet by using upper and lower laser heads to form a required mask via hole pattern; welding the cut stainless steel sheet to a mask plate frame, removing the excess part and cleaning to obtain a final mask plate. The mask manufacturing method provided by the application can improve the manufacturing yield and efficiency of the mask plate by using the double laser head cutting method without burr and other defects. The mask provided by the application is manufactured by the above method, and the generation of the mask plate via hole edge defects is avoided, so that the quality of the mask plate and the quality of OLED evaporation can be improved.

The utility model relates to the technical field of product manufacturing, and discloses a bending die which comprises a lower die assembly and an upper die assembly, and the lower die assembly comprises a lower die base and a lower die plate; the lower template is used for placing a plate; the upper die assembly comprises an upper die base and an upper die plate. The peripheral frame of the upper die plate is a bending stamping part, and the upper die plate moves downwards to enable the plate to be vertically bent downwards along the two adjacent side faces of the lower die plate to form bending angles. An insert notch groove is formed in at least one corner of the upper side of the lower die plate, a burr pressing insert is arranged in the insert notch groove, the burr pressing insert is provided with two outer side faces located on the two sides of the corner of the lower die plate, the two outer side faces of the burr pressing insert are provided with chamfering parts, and the chamfering parts are used for conducting burr pressing on the edges of wrap angles of a bent plate. According to the bending die, the burr pressing insert is additionally arranged at the corner position of the lower die plate, the two working procedures of right-angle bending and burr pressing are combined, the corner of a plate is subjected to burr pressing treatment while bending is achieved, and the production efficiency is improved.

The utility model discloses a contraction and expansion adjustable mold structure of a pipe expander, relates to the technical field of pipe expanders, and aims to solve the technical problem that a step type pipe orifice is inconvenient to manufacture due to the fact that the size of a pipe expander is fixed. The contraction and expansion adjustable mold structure comprises a pipe expander main body, and a shell above the pipe expander main body is connected with a control rod through a fixing plate; and one end of the control rod is fixedly connected with a front pipe expander. The control rod is controlled to drive the front pipe expander and the expansion pipe expander to advance so as to expand a pipeline, firstly, the front pipe expander carries out preliminary pipe expansion on the pipeline, then when the control rod drives the expansion pipe expander to continuously move after the connecting ring is in contact with the fixing plate, the sliding block drives the pull rod to pull one end of the top plate, and then the pipeline is expanded. And the supporting plate is forced to be lifted up, so that the size of the expansion pipe expander is expanded, then when the expansion pipe expander is continuously driven by the control rod to push and rotate, secondary pipe expansion treatment is carried out on a pipeline preliminarily machined by the front pipe expander to form a step pipe opening, and the trouble of replacing the pipe expander is avoided.

The utility model provides a battery pole piece slitting spacing adjusting mechanism which comprises an upper blade assembly, a lower blade assembly and a motor assembly, an upper blade is installed on the upper blade assembly in a threaded mode, and a lower blade is fixedly installed on the lower blade assembly. The motor assembly is in driving connection with the upper blade and used for driving the upper blade to rotate so as to control and adjust the transverse distance. The utility model further provides a battery pole piece slitting system which comprises the battery pole piece slitting distance adjusting mechanism. According to the utility model, the motor assembly can drive the upper blade which is in threaded installation with the upper blade assembly to rotate accurately, so that the upper blade can be driven and controlled to move transversely, the distance between the upper blade and the lower blade can be adjusted, and the problems of burrs and material falling caused by improper distance between the upper blade and the lower blade are solved.