8results about How to "Improve meshing accuracy" patented technology

The utility model belongs to the technical field of coating devices, and particularly relates to an adjustable film coating device which comprises a rack, a material groove, a coating roller, a bottom roller, a guide roller and a fine adjustment mechanism are arranged on the rack, the fine adjustment mechanism comprises a fixed seat, two transmission shafts are rotationally installed on the fixed seat, first gears are installed at the two ends of the transmission shafts, and the first gears are connected with second gears in a meshed mode. The second gear is installed on the first adjusting screw and the second adjusting screw, the first adjusting screw and the second adjusting screw are in threaded connection with a fixing base, a sliding rod is installed in the fixing base in a sliding mode, a first taper hole and a second taper hole which are attached to the conical end of the first adjusting screw and the conical end of the second adjusting screw in a matched mode are formed in the sliding rod, and the sliding rod is connected with the comma scraper roller through a fixing plate. The distance between the comma scraper roller and the bottom roller is accurately adjusted by rotating the adjusting screw I and the adjusting screw II, so that the thickness of a coating layer is accurately adjusted; the gear mechanism can enable the two sliding rods to move synchronously, and the moving stability of the comma scraper roller is guaranteed.

The present application relates to the technical field of positive displacement fluid machinery, and particularly relates to a low-noise three-screw rod pump and a ship hydraulic system. The low-noise three-screw rod pump comprises a new active screw rod, a positioning sleeve, two new driven screw rods, and a smooth section. The positioning sleeve is provided on the smooth section of the new active screw rod in an interference fit. The positioning sleeve is provided with an annular limiting groove. The two new driven screw rods are symmetrically matched with the new active screw rod. The front end of the new driven screw rod is provided with a cylindrical guide section. The cylindrical guide section is rotatably embedded in the annular limiting groove. The circumferential surface of the cylindrical guide section is provided with a tapered oil guide surface. The tapered oil guide surface is clamped between the inner wall of the bushing and the annular limiting groove with a set radial gap. The low-noise three-screw rod pump and the ship hydraulic system solve the technical problems of vibration noise increase caused by the large axial installation gap and the radial thermal expansion and jamming.

The application discloses a split gear capable of being quickly assembled and disassembled, which comprises a gear assembly installed on the surface of a rotating rod, wherein the gear assembly comprises a hub ring, and four gear ring sleeves are installed on the surface of the hub ring. The application relates to the technical field of split gears. The split gear capable of being quickly assembled and disassembled is characterized in that the hub ring, the gear ring sleeve, the inner rotating shaft sleeve, the rotating rod, the positioning blocking plate and the L-shaped rotating port are cooperatively matched, so that the split gear can be quickly assembled and disassembled without tools, the operation process is greatly simplified, and the maintenance efficiency is improved. When assembling, the gear ring sleeve is attached to the hub ring, the arc-shaped rotating plate is pressed to make the positioning blocking plate enter the T-shaped inner groove, and the inner rotating shaft sleeve is rotated to drive the positioning blocking plate to be transversely clamped and locked through the arc pressing part. When disassembling, the inner rotating shaft sleeve is reversely rotated, the right-angle part pushes the arc-shaped rotating plate to drive the positioning blocking plate to reset, and then the gear ring sleeve can be quickly taken off.

The application discloses a universal joint ball pair locking mechanism and medical equipment, and relates to the field of medical equipment. The universal joint ball pair locking mechanism comprises a ball joint and a locking assembly. The ball joint comprises an inner ball head and an outer ball body which are hingedly connected with each other. The locking assembly comprises a first engaging member, a second engaging member and an unlocking driving member. The application realizes rigid locking through the engagement of the first engaging member and the second engaging member. The locking design is not affected by factors such as changes in the friction coefficient and wear, and can stably maintain the relative angle of the inner ball head and the outer ball body, thereby avoiding adverse loosening caused by friction failure and improving the stability of the locking strength. The locking assembly has two states of locking and unlocking. When unlocked, the inner ball head and the outer ball body can be universally adjusted, thereby meeting the requirement of flexible equipment to reach a target position and angle. When locked, stable support is provided through rigid engagement, and the use requirements of flexible adjustment and reliable locking are considered, so that the application is well applicable to application occasions of the stability of equipment operation.

The utility model relates to extruder technical field provides a kind of building thermal insulation material extrusion super wear-resistant threaded block, comprising: two mandrels;First threaded block and second threaded block are connected to the outside of two mandrels respectively, and the first threaded block is parallel with second threaded block and is engaged with each other;Mounting groove is fixedly opened in the inside of first threaded block and second threaded block;Mounting sleeve is movably mounted in the inside of mounting groove;Thermal compensation part is provided with two groups, is mounted in the inside of first threaded block and second threaded block;Temperature monitoring part is provided with two, is mounted in the inside of first threaded block and second threaded block;Cooling element is provided with two groups, is respectively mounted in the inside of two mounting sleeves.The utility model is provided with thermal compensation part, cooling element and temperature monitoring part, and multiple components cooperate, reduce the damage of temperature change to component, avoid the influence of high temperature on threaded block material quality, significantly prolong the service life of device.

The invention discloses a continuous paint supply type pipeline coating rolling brush which comprises a rolling brush head and a handle rod and further comprises a paint supply structure, a paint storage cavity is formed in the handle rod, a paint adding opening is formed in the surface of the handle rod, the rolling brush head comprises a support and a roller, the roller is connected with the support in a pivoted mode, the support is detachably connected with the handle rod, a containing cavity is formed in the roller, and a flow channel is formed in the support. One end of the flow channel is communicated with the paint storage cavity, the other end of the flow channel is communicated with the containing cavity, the paint supply structure comprises a piston, a push rod and a pushing structure, the piston divides the paint storage cavity into two cavities, the sizes of the cavities are changed along with sliding of the piston along the paint storage cavity, one end of the push rod is connected with the piston, and the other end of the push rod penetrates through the paint storage cavity to be connected with the pushing structure; the propelling structure is arranged at the second end of the handle rod and is in transmission connection with the push rod. The continuous paint supply type pipeline coating rolling brush provided by the invention has the advantages of continuous and uniform paint supply and high efficiency.

The invention relates to a servo press with high precision, low inertia and stable pressure maintaining, which comprises a main body frame device, a cooling and damping device, a symmetrical servo transmission device, a nested transmission device, a high-torque transmission device, a shear fork pressure maintaining device, a pressure pad stable driving device and a cooling and damping device, the symmetric servo transmission device, the nested transmission device, the high-torque transmission device and the cooling and damping device are located on the upper portion of the main body frame device, the shear fork pressure maintaining device and the pressure pad stable driving device are located in the middle and below the main body frame device respectively, and the shear fork pressure maintaining device is connected with the main body frame device. The servo press adopts symmetrical servo driving, nested gear transmission and hydraulic shear fork pressure maintaining, is equipped with a water-cooling temperature reduction and vibration reduction structure, has the characteristics of high precision, low inertia, stable pressure maintaining and high operation stability, and is suitable for a metal stamping process with high requirements on machining precision, pressure maintaining stability and equipment operation reliability.

The utility model discloses a speed reducing motor capable of adjusting back clearance, which comprises a box body, a box cover, a transition flange, a motor main body, a transmission assembly and an output shaft, the box cover is fixedly arranged on the box body, the surface of the box cover is provided with a circular mounting groove, a through hole is arranged in the circular mounting groove, and the axis of the through hole deviates from the axis of the circular mounting groove; the transition flange is of a hollow annular structure, the transition flange is rotatably mounted in the circular mounting groove, and the transition flange is connected with the box cover through a detachable connecting piece; the motor main body is fixedly arranged on the transition flange, and a rotating shaft of the motor main body is inserted into the through hole; a gear shaft is integrally formed on the rotating shaft; the output shaft is rotationally arranged on the box body, an output tooth piece is fixedly arranged on the output shaft, and the transmission assembly is arranged between the gear shaft and the output tooth piece in a transmission mode. The gear motor has the advantages that the gap between the gear shaft and the transmission gear sheet can be adjusted by rotating the transition flange, so that the gear motor has higher transmission precision.