12results about How to "Avoid flash" patented technology

The utility model relates to the technical field of automobile lamps and lanterns accessories, specifically discloses a narrow gap light blocking structure, including the light blocking coating of thick wall similar one side of two adjacent car light function parts respectively and the light blocking muscle of installing between two thick walls, the light blocking muscle is installed between thick wall similar one side, and the light blocking muscle includes the light blocking plate muscle of covering sliding connection between the end of thick wall and the light blocking strip muscle of being located at one side of light blocking plate muscle and being embedded between light blocking coating, solve the problem that the traditional light blocking structure exists after installation bigger installation gap, will also rub out powder under the vibration working condition, cause the lamp quality problem and the problem of scrapping.

The utility model relates to the technical field of overflow ports of melting furnaces, and discloses an overflow port structure of a photovoltaic rolled glass melting furnace, which comprises a flow slowing mechanism, a flow control mechanism and a locking mechanism. After molten glass enters the inner wall of the runner, the gentle slope is arranged in the runner and reduces the fall, and meanwhile, the slow flow column is fixed on the outer wall of the gentle slope and slows down the flow speed of the molten glass, so that the molten glass is prevented from directly washing the bottom of the runner, the abrasion of a refractory material is reduced, and the service life of the runner is prolonged; the motor drives the flow pushing plate to rotate through the rotating rod, the flow pushing plate can improve the flowability of molten glass, and the conditions of stagnation, accumulation and the like of the molten glass caused by unsmooth flowing are reduced, so that the generation probability of glass defects such as devitrification and bubbles is reduced, high-quality photovoltaic rolled glass can be produced, and the production efficiency of the photovoltaic rolled glass is improved. And meanwhile, gears are fixed to the outer walls of the rotating rods, the gears are meshed with first gears, the number of the rotating rods is two, and the first gears drive the two rotating rods to move in the same direction.

A multi-groove cooperative type end face mechanical sealing structure comprises a rotating ring and a static ring which are used for mechanical end face sealing, the rotating ring and the static ring are both provided with annular sealing end faces which are coaxially arranged, and the sealing end faces take the circle center of the sealing ring as the reference. An outer side sealing face, an annular groove and an inner side sealing face are sequentially arranged in the radial direction from the outer edge to the circle center. The outer side sealing face is provided with drainage grooves distributed in the circumferential direction, the drainage grooves penetrate through the whole outer side sealing face, the inlet ends of the drainage grooves are connected with the medium side, and the outlet ends of the drainage grooves are connected with the annular groove. When the rotating ring rotates, a medium enters the drainage groove from the inlet end of the drainage groove and then flows into the ring groove from the outlet end. Through the drainage groove, the pressure of a medium in the annular groove can be greatly improved, the medium can be effectively supplemented to the inner side sealing face, the continuity of formation of a liquid film on the inner side sealing face is ensured, and dry friction of the inner side sealing face and flash evaporation of the medium caused by too high temperature are avoided.

The invention relates to an anti-overflow control system for an optical fiber drawing and coating process, and the system comprises a coating material tank which is used for storing a coating material; the conveying pipeline is communicated with the coating material tank and leads to a coating station in the coating mold; the pipeline storage tank is arranged between the material tank and the conveying pipeline, compressed gas is introduced into the top of the pipeline storage tank, and pressure in the pipeline storage tank serves as feedback quantity; the pneumatic control valve group is used for controlling the on-off of the conveying pipeline and the pressure balance of the pipeline storage tank and outputting an execution signal; the pressure sensor is used for detecting the pressure in the pipeline storage tank and / or the conveying pipeline and outputting a feedback signal; and the PLC control system is used for receiving the feedback signal and controlling the pneumatic control valve group to form a pressure closed loop, actively regulating and controlling the flowing of the coating material and preventing material overflow. By introducing the pressure sensor, the pneumatic control valve group and the pipeline storage tank, active regulation and control of flowing of a coating material are achieved, the material overflowing phenomenon is effectively prevented, and the production stability and the product quality are improved.

The utility model relates to a coal pressing head for tamping station coal pressing, which comprises a coal car and a coal pressing head main body arranged above the coal car, gaps exist between the left side and the right side of the coal pressing head main body and the corresponding inner side wall of the coal car, and extension plates are detachably arranged at the left end and the right end of the bottom of the coal pressing head main body. And the tail end of the extension plate is propped against the inner side wall of the coal car on the same side. The two sides of a coal cake can be guaranteed to be flat through the extension plates additionally arranged on the two sides of the coal pressing head, and the coal pressing head is more practical.

The invention discloses a forming mold and an exposure lamp shell production line, and belongs to the technical field of exposure lamp production. The exposure lamp shell production line comprises a conveying mechanism, a machining mechanism and a forming mold. The forming die comprises an upper die, a middle die and a lower die, the upper die is provided with a first forming part serving as a male die, the middle die is clamped with the lower die, and a second forming part of the middle die and a third forming part of the lower die form a female die; the conveying mechanism comprises a rotating table, and eight lower dies are evenly arranged at the top end of the rotating table in the circumferential direction. The machining mechanism comprises a feeding unit, a pressing unit, a cooling unit and a discharging unit which are sequentially arranged in the rotating direction of the rotating table. The discharging unit and the cooling unit are located on the same diameter of the rotating table, and the pressing unit is provided with a water cooling valve, so that semi-finished products are subjected to water cooling, air cooling and air cooling. By optimizing the forming process and the mold structure, the product consistency and the yield are effectively improved while the operation efficiency of a production line is improved.

The present application relates to bolt processing equipment technical field, the present application provides a punch for manufacturing bolt, including support base plate and the support base that is rotationally connected with workbench, multiple forming die cavities with receiving slide block are equipped on workbench along circumference. The support base plate is equipped with feeding mechanism, stamping mechanism and ejecting mechanism; feeding mechanism and stamping mechanism are driven through same motor, feeding mechanism is used for cutting off and sending into forming die cavity with steel wire; stamping mechanism is used for forming to blank, receiving slide block is used for avoiding the flash of bolt; ejecting mechanism is used for ejecting from die cavity with forming bolt. The present application integrates feeding cutting, stamping and ejecting in one, realizes multi-station synchronous continuous processing through rotary workbench, greatly improves production efficiency; at the same time, the receiving slide block is used to form closed cavity with die cavity, effectively prevents the flash from generating, guarantees the forming precision and surface quality, realizes the efficient, high-precision automatic manufacturing of bolt.

This utility model discloses a die device for extrusion casting of deformable aluminum alloy ingots, including a worktable, a lower die at one end of the lower surface of the inner wall of the worktable, and an upper die correspondingly arranged at the upper end of the lower die. A tight-fitting assembly is provided inside the lower die, and a hydraulic cylinder is provided at one end of the upper surface of the inner wall of the worktable, with its extension connected to one end of the upper die. This utility model can effectively avoid flash problems, improve the sealing effect of the parting surface, and promptly expel gas, thereby improving the strength of the finished product.

This invention discloses a method for preparing a self-lubricating coating for a stirring friction additive manufacturing guide mechanism and a guide mechanism, comprising the following steps: Step 1, incoming part inspection; Step 2, preparation of silicon nitride powder; Step 3, spraying and assembly; Step 4, thermal spraying: silicon nitride powder is filled through the filler port 8, fed along the feed pipe 7 into the flame nozzle 6, heated to a molten state at high temperature, and then sprayed onto the inner surface; Step 5, device movement; Step 6, result inspection. The silicon nitride ceramic self-lubricating structure can improve the surface hardness of the cavity wall, solving the problem that the stirring head cannot fully soften the rod due to insufficient hardness; it also solves the problem of lubrication failure under additive manufacturing conditions where lubricants are not applicable. The silicon nitride ceramic self-lubricating coating has good self-lubricating stability; therefore, the stirring friction additive manufacturing guide lubrication device of this invention has good practical value and application potential.

The utility model discloses a detection device and wearable equipment relates to intelligent wearable equipment technical field. The detection device includes lens subassembly and detection component, and the lens subassembly includes lens body and sets up in the first shading ring of first shading ring in lens body, first shading ring will lens body divide into first light path channel and second light path channel, first light path channel is located in first shading ring, and second light path channel is located outside first shading ring, detection component includes light source and light receiving element, and light source and light receiving element are located in the same side of lens body, and light source is located in the range of first light path channel, and light receiving element is located in the range of second light path channel. The detection device can prevent the inside of lens body from leaking and light, and improve the accuracy of detection.

The utility model provides a wood board edge sealing device which comprises a supporting table, a base and an air cylinder, a containing groove is formed in the top of the supporting table, a first motor is embedded in the containing groove, a workbench is vertically and fixedly arranged at the output end of the first motor, a plurality of suction nozzles are arranged on the workbench, and a negative pressure device is arranged at the bottom of the workbench. The base is arranged on one side of the supporting table, a mounting plate is fixedly arranged at the top of the base, a sealing strip assembly is arranged on the side, facing the supporting table, of the mounting plate and used for releasing edge sealing strips, the air cylinder is fixedly arranged on the mounting plate, the output end of the air cylinder penetrates through the mounting plate and then is fixedly provided with a mounting block, and a first mounting groove is formed in the side wall of the mounting block. And two limiting plates are symmetrically and slidably arranged in the first mounting groove, and a driving assembly is further arranged on the mounting block, so that the problem that in the prior art, when four edges of a wood board are sealed, the wood board needs to be positioned for multiple times, and the edge sealing efficiency is low is solved.