35results about How to "Improve lubrication and cooling" patented technology

A cleaning and lubricating unit for rolling roller is composed of upper and lower liquid inlet tubes, upper and lower sprayers with front nozzle and back end connected to said liquid inlet tube, upper and lower springs connected between said sprayer and machine frame, and upper and lower erasers fixed to said sprayer and in contact with the surface of working roller.

The invention proposes a nano-layer lubricated diamond grinding wheel grinding device based on the shock wave cavitation effect, which is used to solve the problem that the grinding fluid is difficult to enter the grinding core area due to the influence of the gas barrier layer. Specifically, it includes the control system, acceleration module, shock wave acceleration module, processing module, and recovery module. Among them, the control system controls the operation of the device; the acceleration module is composed of an acceleration tube, a small Rafal tube, etc., which can make the nanoparticles obtain an initial velocity; it consists of an electromagnetic coil, an impact head, an impact ball, a wave condenser, and a large Lafal The shock wave speed-up module composed of equal components will generate two wave sources, one to clean the impurities on the surface of the grinding wheel, and the other to impact the nanoparticles with initial velocity to the surface of the grinding wheel to form a nano-layer; during the processing, the nanoparticles in the nano-layer are released autonomously in the grinding core area , to achieve self-lubricating cooling inside the grinding area; the recovery module is used to recover nanoparticles and realize their reuse. The device not only enhances the lubricating and cooling effect, but also complies with the concept of green development.

The application discloses a wet clutch, comprising a transmission shaft, a friction plate seat, a clutch housing, a friction plate group and a piston, the friction plate seat is circumferentially fixed on the transmission shaft, the piston is slidably sleeved on the transmission shaft, and the internal friction The friction plate and the outer friction plate form a friction plate group; it also includes a friction plate baffle fixed at one end of the friction plate seat; the friction plate baffle is in limit contact with one side of the friction plate group, and the piston is limited with the other side of the friction plate group. Contact; a limit step is set on the transmission shaft to limit contact with the friction plate baffle. In this wet clutch, the friction plate baffle restricts the axial movement of the friction plate group along the transmission shaft, and the friction plate baffle is in contact with the limit step, which will eventually reduce the axial force acting on the friction plate group and the pressure caused by the separation and combination of the clutch. The generated impact force is transmitted to the transmission shaft, and the axial bearing capacity of the transmission shaft is much larger than that of the retaining ring. Therefore, the limit bearing capacity of the friction plate is improved without increasing the axial length of the clutch.

The invention provides a liquid lubrication method and a cutting lubrication system directly acting on a blade-chip interface, and relates to the technical field of machining. A channel penetrating from a bottom surface of a blade to the blade-chip interface conveys a liquid lubricant to the blade-chip interface; the cutting lubrication system comprises a blade body and a blade rod which are detachably connected with each other, and is internally provided with the channel penetrating from the bottom surface to the blade-chip interface, and the channel comprises a micro-channel positioned within a range of the blade body and a lubrication pipeline positioned within a range of the blade rod; micro-texture is arranged by taking an upper opening of the micro-channel as a center; a lower opening of a lubrication channel is connected with a liquid lubricant feeding system; and the lower end of the micro-channel is provided with a primary cooling chamber, the upper end of the lubrication channel is provided with a secondary cooling chamber adapted to the primary cooling chamber, a circulating pipeline extends out from the lower end of the secondary cooling chamber, a lower opening of thecirculating pipeline is positioned on a bottom surface of the blade rod, and the circulating pipeline is detachably connected with the liquid lubricant feeding system through an output pipe. The liquid lubrication method and the cutting lubrication system provided by the invention have the beneficial effects of directly acting on the blade-chip interface, reducing the cutting cost, and being environmentally-friendly.

A friction plate for wet-running applications includes an annular main body having a first and a second surface. A friction lining having first oil grooves and second oil grooves is disposed on at least one of the first and the second surfaces. The first oil grooves extend from a radially inner end face of the friction lining in the direction towards a radially outer end face of the friction lining and terminate at a distance short of the radially outer end face, and the second oil grooves are disposed directly adjoining the first oil grooves in the radial direction and have a smaller maximum width in the circumferential direction than the first oil grooves. The first oil grooves are provided with a cross-sectional widening in the region of a radially outer end. The cross-sectional widenings of the first oil grooves are disposed at different radial heights.

The invention proposes a nano-layer lubricated diamond grinding wheel grinding method based on the shock wave cavitation effect. When the air pressure regulating valve is opened, the shock wave generated by the acceleration tube pushes the nano particles forward, and then the small Rafal tube accelerates them to move forward. Obtain a higher initial velocity; at the same time, a wave source of the shock wave acceleration module generates a high-frequency and high-intensity shock wave, which impacts the nanoparticles with an initial velocity, making it continuously accelerate downward along the axial direction of the large Lafal tube until reaching the highest velocity Embedding the surface of the grinding wheel to form a nano-layer; another wave source is used to clean the surface impurities of the grinding wheel; during the processing, the nanoparticles in the nano-layer are released in the grinding core area independently, realizing self-lubricating and cooling inside the grinding area; this method not only greatly enhances the Lubricating and cooling effect, and in line with the concept of green development.

The invention provides injecting devices for emulsified liquid of an eighteen-roller cold-rolling mill. The injecting devices comprise four side supporting frames. The side supporting frames are each provided with an upper backing bearing roller, a side supporting roller and a lower backing bearing roller. A second injecting device is arranged in the position, close to each side supporting roller and each lower backing bearing roller, of each side supporting frame. The second injecting devices comprise injecting beams, a plurality of first nozzles and a plurality of second nozzles, wherein the multiple first nozzles and the multiple second nozzles are installed in the length direction of the injecting beams, the first nozzles face towards the side supporting rollers, and the second nozzles face towards the roller seams of working rollers. According to the injecting devices, the second injecting devices are arranged on the side supporting frames on the basis of unchanging original first injecting devices on side supporting beams, the emulsified liquid is injected into strip steel in the position of the roller seams and the side supporting rollers simultaneously through the second injecting devices, so the lubricating cooling effect of the strip steel in the position of the roller seams is improved, and thus the rolling speed is improved, the rolling energy consumption is reduced, and the surface quality of the strip steel is improved; meanwhile, the side supporting rollers are further cooled, and hence the control precision of the strip shape of the strip steel is improved.

The invention discloses a multi-station numerical control bearing rolling processing equipment, the structure of which includes a top frame, a control panel, a rolling head, a joint strap, a station fixing structure, a sliding bottom frame, a supporting foot, a hydraulic rod, and a sliding groove , the bottom of the sliding chassis is provided with more than two supporting feet, a sliding groove is opened in the middle of the sliding chassis horizontally, and a hydraulic rod is installed at one end of the sliding groove. The bearing ring that is about to be rolled or rolled in the groove will be lubricated as a whole, and the lubricating oil will flow back to the lubrication system along the oil return port for reuse, because the lubricating system contains returned oil Lubricating oil has many impurities, so there are more than two filter structures to improve the cleanliness of the lubricating oil in the lubricating system and reduce the friction between the bearing ring and the groove.

The invention discloses a nanofluid magnetic grinding fluid and a magnetic field-assisted micro-lubrication system. Magnetic iron ferric oxide nanoparticles in the nanofluid magnetic grinding fluid will be adsorbed on the surface of graphene to form magnetic lubrication mixed particles. The nano-fluid magnetic grinding fluid forms a spray under the action of the micro-lubrication device, and the magnetic lubrication mixed particles in the spray are evenly spread on the processing area of ​​the workpiece under the action of the magnetic field auxiliary device for lubrication and cooling. The magnetic lubrication mixed particles are collected by the recovery container , can be reused. The invention uses graphene as a lubricant, and combines magnetic effects and micro-lubrication technology to carry out lubrication and cooling, which can not only realize the efficient utilization of lubricants, greatly improve the lubrication and cooling effect, but also save energy and protect the environment, and meet the requirements of industrial production.

A friction plate for wet-running applications includes an annular main body having a first and a second surface. A friction lining having first oil grooves and second oil grooves is disposed on at least one of the first and the second surfaces. The first oil grooves extend from a radially inner end face of the friction lining in the direction towards a radially outer end face of the friction lining and terminate at a distance short of the radially outer end face, and the second oil grooves are disposed directly adjoining the first oil grooves in the radial direction and have a smaller maximum width in the circumferential direction than the first oil grooves. The first oil grooves are provided with a cross-sectional widening in the region of a radially outer end. The cross-sectional widenings of the first oil grooves are disposed at different radial heights.

The present application discloses a nanofluid micro-lubrication and atomization cooling ultra-precision cutting medium supply system, comprising: a workbench, a compressed air path, a nanofluid liquid path, a tool, a workpiece to be processed, and a jet atomization nozzle; The workpiece to be processed is set on the worktable, and moves toward or away from each other; the jet atomization nozzle is arranged on one side of the tool, and the second end of the jet atomization nozzle is arranged towards the cutting area where the tool contacts the workpiece to be processed; the jet atomization nozzle The second end of the jet sprays a three-phase bubble-like flow to the cutting area at a near-sonic speed. By setting the jet atomization nozzle, the high-speed atomization of the nano-fluid can be realized by using compressed air, so that a large number of tiny droplets are formed after spraying, which are evenly attached to the cutting surface of the cutting area, thereby effectively solving the problem of direct nano-fluid directly. Technical problems when used for cutting.

The invention provides a shield pump with forced cooling and lubricating functions. A front bearing pedestal and a rear sliding bearing pedestal are each provided with two through holes. A gap is reserved between a front thrust disc and a front sliding bearing, and a gap is reserved between a rear thrust disc and a rear sliding bearing. The center of a shaft, the center of an impeller nut and the center of a nut are provided with through holes. Part of conveying medium from an impeller can flow past the inner side, the outer side and the end of the front sliding bearing, and then the conveying medium enters the impeller via a pressure relief opening of the impeller to form a liquid flow channel. Meanwhile, part of the conveying medium flows past the front sliding bearing pedestal, the inner side gap of a shield sleeve and the inner side, the outer side and the end of the rear sliding bearing, and then returns to an impeller inlet from the through hole in the center of the nut, the through hole in the center of the shaft and the through hole in the center of the impeller nut to form a loop. The rear sliding bearing, a second shaft sleeve and the rear thrust disc are effectively cooled and lubricated, the reliability of the shield pump is improved and the service life of the shield pump is prolonged.