9 results about "Spindle oil" patented technology

The present invention provides a method for rapidly calculating the hydrostatic spindle oil film stiffness and damping coefficient, comprising the following steps: Step 1: measuring the axis position coordinates of the hydrostatic bearing and determining the eccentricity of the axis position; Step 2: establishing a mapping relationship between the eccentricity of the hydrostatic bearing and the dynamic pressure ratio; Step 3: measuring and calculating the oil film bearing capacity of the hydrostatic bearing; and Step 4: calculating the hydrostatic bearing oil film stiffness and damping coefficient. This method can conveniently measure the hydrostatic oil film stiffness and damping coefficient.

A self-lubricating crankshaft belongs to the technical field of crankshaft self-lubrication for crankshaft manufacturing and is characterized by comprising a crankshaft body and a spindle oil hole formed in the circle center of the surface of the left side of the crankshaft body, and a crankshaft inner cavity is formed in the circle center of the surface of the right side of the spindle oil hole. A plurality of oil outlet holes are evenly distributed in the periphery of the inner side surface of the crankshaft inner cavity, sealing devices are inserted in the circle centers of the outer side surfaces of the oil outlet holes, a balance end disc is connected to the circle center of the right side surface of the crankshaft body, and an eccentric shaft body is connected to the edge of the right side surface of the balance end disc; when the lubricating oil is injected, the lubricating oil can be prevented from being discharged from the oil hole, and when the crankshaft is rotated, the lubricating oil on the centrifugal turntable can be scattered and rapidly coated on the crankshaft.

The utility model discloses an anti-overflow spindle oil recharging device, which relates to the technical field of spindle oil recharging and comprises an oil pot, a feeding mechanism and a quantifying mechanism, an injector is arranged on one side of the oil pot, a handle is fixedly mounted on one side, far away from the injector, of the oil pot, and the feeding mechanism is arranged at the top end of the oil pot. And the quantitative mechanism is arranged on one side of the injector and is used for realizing quantitative oil supplementing and filling operation. The quantitative oil supplementing device is provided with the quantitative mechanism and the adjusting mechanism, quantitative oil supplementing operation on the spindle can be conveniently achieved, the situation that oil overflows or the oil quantity of the oil is not in place due to excessive oil is avoided, the oil supplementing efficiency and quality are reduced, the situation that the oil overflows can be reduced under the cooperation of the quantitative mechanism and the injector, and the oil supplementing quality is improved. And the feeding mechanism is arranged, so that the oil substances can be filtered, and the pipeline is prevented from being blocked.

The utility model relates to the field of constant temperature adjusting devices, and discloses a spindle oil cooling constant temperature adjusting device based on an intelligent sensor, which comprises a bottom plate, a conveying mechanism is arranged on the outer wall of the front end of the bottom plate, the conveying mechanism comprises a first placing plate, and one side of the upper surface of the first placing plate is fixedly connected with a control module. The main shaft oil cooling constant temperature adjusting device is provided with the stirring mechanism, two stirring rods drive stirring blades to mix and stir oil liquid under the action of a servo motor and a belt, the stirring mechanism is arranged on the main shaft oil cooling constant temperature adjusting device, and therefore the oil cooling constant temperature adjusting device can be used for adjusting the oil cooling constant temperature of the main shaft. The mixing of low-temperature oil liquid and high-temperature oil liquid is promoted, so that the oil liquid cooling efficiency is improved, the internal space of the oil storage tank is divided into a plurality of cavities through a first partition plate and a second partition plate, so that the oil liquid mixing efficiency is improved, and the oil liquid cooling efficiency of the device is further improved.

The utility model relates to the technical field of electric spindle oil-gas lubrication, in particular to an electric spindle oil supply integrated structure. Comprising a mounting plate, an electric thin oil lubrication pump is fixed to the upper end of the mounting plate, the outlet end of the electric thin oil lubrication pump is communicated with the inlet end of an oil filter through an oil pipe, the outlet end of the oil filter is communicated with the oil inlet end of an oil-gas distribution block through a communicating pipe, and the outlet end of the oil-gas distribution block is communicated with a lubrication channel of an electric spindle. An air filter is fixed on the mounting plate, the inlet end of the air filter is communicated with an air source, the outlet end of the air filter is communicated with the first end of a tee joint, the second end of the tee joint is communicated with an air seal interface of the electric spindle, and the third end of the tee joint is communicated with an air inlet of the oil-gas distribution block. According to the technical scheme, through integrated, intelligent and modular design, the problems that a traditional electric spindle lubricating system is complex in installation, lagged in fault response, high in maintenance cost and the like are solved.

The invention provides an electric spindle capable of electrically and jointly driving a cutter to rotate, which relates to the field of machining centers and is characterized in that the electric spindle capable of electrically and jointly driving the cutter to rotate at high power and high rotating speed, a combined sealing ring realizes high-performance oil, water and gas rotating sealing of the spindle, and a spindle bearing and a motor rotor are provided with circulating oil for lubrication and cooling. A spindle bearing outer ring and a motor stator are provided with circulating water cooling, a spindle is provided with a central water outlet, a central air outlet, mechanical locking and an oil cylinder loosening and tightening cutter, the spindle mechanical locking realizes the functions of a lathe tool and a slotting tool of a spindle tool, and the large-torque low-rotating-speed rotating power of an electrically-driven motor rotor and the large-torque low-rotating-speed rotating power of a pneumatically-driven pneumatic rotor are superposed. The spindle tool rotates at high torque, low rotating speed and high power, part materials are efficiently removed, the machining efficiency is improved, the high rotating speed of an electric drive motor rotor and the high rotating speed of a pneumatic drive rotor are superposed, the spindle tool rotates at an ultrahigh rotating speed, and the high-precision machining requirement of parts is met.

The utility model discloses a flat-bottom spindle oil level measurer which comprises a connecting plate, a measuring column is fixedly connected to the bottom of the connecting plate, two arc-shaped clamping blocks are connected to the bottom of the connecting plate in a sliding mode, a clamping assembly is arranged at the bottom of the connecting plate, and the clamping assembly is used for driving the two arc-shaped clamping blocks to move. The oil level in the oil groove of the flat-bottom spindle is measured for the first time through the measuring column, the locking structure is released after measurement is completed, fixation of the limiting block is removed, then the floater is driven to move through buoyancy of lubricating oil in the oil groove, and therefore the measuring scale is pushed to slide between the measuring channel and the inner wall of the through groove; the top end of the measuring scale extends to the top of the connecting plate, oil level information can be read by observing the scale marks on the scale, secondary measurement is completed, finally, the measuring column is pulled out, the oil stain position on the measuring column is observed, oil level information of primary measurement is obtained, and then two-time measurement data are compared, so that the measurement accuracy is improved. Therefore, the accuracy and the reliability of oil level measurement are effectively improved.

A grinding machine grinding wheel shaft oil tank induction automatic oil supplementing device comprises a grinding wheel, the grinding wheel is connected with a power device through a grinding wheel shaft, the grinding wheel shaft is connected with a grinding wheel shaft oil tank providing lubricating oil for the grinding wheel shaft, and the grinding wheel shaft oil tank is connected with an upper limiting sensor and a lower limiting sensor which are used for detecting the oil level. The grinding wheel spindle oil tank is connected with an oil supplementing oil tank through an oil supplementing pipe, an oil supplementing motor is arranged on the oil supplementing oil tank, the input end of the controller is connected with the upper limiting sensor and the lower limiting sensor, and the output end of the controller is connected with the oil supplementing motor and the grinding wheel starting and stopping contactor. According to the induction automatic oil supplementing device for the grinding wheel spindle oil tank of the grinding machine, the oil level in the grinding wheel spindle oil tank can be automatically detected, oil supplementing can be automatically conducted when the oil quantity is insufficient, oil supply is automatically cut off when oil supplementing is in place, shutdown is not needed, normal work of equipment is not affected, automatic detection and automatic oil supplementing are achieved, the working efficiency is improved, and the cost is reduced. And the equipment safety is improved.

The utility model relates to a clamp for a piston without draft angle on the side wall of an inner cavity in the field of manufacturing of aluminum pistons of internal combustion engines, according to the characteristic that the side wall of the inner cavity of the piston has no draft angle, the circular arc in the circumferential direction of a positioning surface of the clamp is the same as the corresponding position of the piston, and the inner side wall of the piston 20 is tensioned by utilizing the radial expansion of an expansion claw of the clamp; the circumferential shape and size of the clamp positioning point are the same as those of the side wall of the piston inner cavity, so that the positioning precision of the piston inner cavity is high; the expansion claws are high in expansion and contraction motion precision and are in symmetrical motion, under the condition that the actual size change of the side wall of the inner cavity of the piston blank is large, the positioning precision of the clamp is guaranteed, and the wall thickness difference of the inner cavity of the piston is accurately controlled; the clamp is provided with three pairs of expansion claws, expansion of the first pair of expansion claws at the front end of the clamp is driven by a machine tool spindle oil cylinder, the other two pairs of expansion claws are driven by springs in the clamp to generate expansion actions, and retraction actions are driven by the oil cylinder. The three pairs of tensioning claws synchronously act to tension the inner side wall of the piston 20, and the stroke of the tensioning claws is adjustable.