19results about How to "Improve grinding precision" patented technology

This utility model discloses an external cylindrical grinding device, including a base, a workpiece driving mechanism, and a grinding mechanism. The grinding mechanism includes a crank mechanism, a guide rail, and a grinding block. A slider is slidably mounted on the guide rail, and the slider is connected to the crank mechanism, which drives the slider to slide along the guide rail. A vertical groove is formed on the upper side of the slider, and the grinding block is slidably mounted in the groove. A spring is provided between the grinding block and the bottom of the groove. Under the action of the spring, the upper end of the grinding block can extend out of the groove to fit tightly against the surface of the workpiece to be ground. This utility model, by employing a grinding device with a certain degree of elasticity, can adapt to different types of shaft workpieces to be ground, has good versatility, and during secondary processing, the grinding block can always be tightly fitted against the surface of the workpiece under the action of the spring, avoiding the impact of workpiece jump during secondary clamping on the original shape and position accuracy.

The utility model discloses a chemical raw material grinding device, and particularly relates to the technical field of chemical raw materials, the chemical raw material grinding device comprises a box body, the top end of the box body is provided with a feed hopper, and the bottom end of the box body is provided with a discharge port; and the first grinding mechanism comprises a grinding cylinder which is rotationally installed at the bottom end of the feeding hopper and located in the box body, a first rotating assembly is arranged at the top end of the grinding cylinder, a conical grinding roller is arranged in the middle of the interior of the grinding cylinder, and a supporting frame is fixedly connected between the top end of the conical grinding roller and the feeding hopper. The first grinding mechanism is arranged, the first grinding mechanism is composed of the grinding cylinder, the conical grinding roller, the first grinding head, the second grinding head and the like, materials can fall into the position between the grinding cylinder and the conical grinding roller which rotate relatively, and the distance between the first grinding head and the second grinding head is gradually reduced from top to bottom; and under the extrusion action of the grinding wheel and the materials, multi-stage grinding and crushing of the materials can be continuously realized.

The utility model discloses a vertical mill for mineral powder. The vertical mill comprises an equipment rack, the fine grinding frame is fixed on the surface of the equipment rack; the fine grinding arc-shaped screen is fixed on the inner wall of the fine grinding frame; the first grinding roller is rotationally connected to the interior of the fine grinding frame; the first fixing frame is fixed on the outer wall of the first grinding roller; and the fine grinding blocks are fixed to the outer wall of the first fixing frame, the multiple sets of fine grinding blocks are arranged in an annular array mode, multiple sets of arc-shaped grinding strips are fixed to the surface of the fine grinding arc-shaped screen, and grinding grooves matched with the arc-shaped grinding strips are formed in the surfaces of the fine grinding blocks. According to the vertical mill for the mineral powder, a two-stage grinding structure combining coarse grinding and fine grinding is adopted, so that the grinding efficiency and precision of the mineral powder are greatly improved, the granularity of a finished product of the mineral powder is more uniform, and higher production requirements are met.

The utility model discloses a diamond grinding belt, including the body of a belt, the outside of body of a belt is covered with diamond micro powder layer, the diamond micro powder layer is formed by diamond micro powder and adhesive mixture and is attached to the body of a belt after. The utility model provides technical scheme through adopting diamond micro powder as abrasive, has high hardness, good wear resistance and other specific, compares ordinary grinding belt, can more efficiently cut material in the grinding process, thereby improves grinding efficiency and grinding accuracy.

The utility model provides a kind of ion grinding high-resolution in-situ microscopic analysis device, the ion grinding high-resolution in-situ microscopic analysis device includes vacuum chamber;Sample stage for carrying the sample to be measured is set in vacuum chamber;Ion grinding unit, the ion grinding unit includes the ion beam emission end extended into vacuum chamber;High-resolution in-situ microscopic analysis unit, the high-resolution in-situ microscopic analysis unit includes the image acquisition end extended into vacuum chamber;And with the processor of high-resolution in-situ microscopic analysis unit electrical connection;The ion grinding unit is used to emit ion beam to the sample to be measured and is ground, obtains the target cross section of target area;The high-resolution in-situ microscopic analysis unit is used to obtain the two-dimensional image of the target cross section;The processor is used to carry out three-dimensional reconstruction to the two-dimensional image, obtains the three-dimensional imaging of the target area.

The utility model relates to steel pipe machining technical field, concretely relates to a steel pipe end portion grinding machine. It includes work platform, and the upper surface of work platform is equipped with guide rail, and the upper surface of guide rail is equipped with recess, and the lateral wall of guide rail is equipped with electric telescopic handle, and the bottom surface of installation board is connected, and the lateral wall of installation board is equipped with clamping subassembly, and the upper surface of work platform is equipped with mount, and the upper surface of mount is equipped with grinding assembly, and the different size steel pipes are fixed through clamping subassembly, and the center of different size steel pipes is kept on the same horizontal line with the center of grinding assembly. The utility model discloses through the ball screw design of the biaxial surface structure V -shaped groove of adaptation different diameter steel pipe, realizes the synchronous relative movement of clamping block through the rotation of torsion block, and the operation is simple and convenient and the clamping force is even, and the geometric self -centering principle is ensured steel pipe axis and grinding assembly alignment, avoids the grinding uneven or damage due to the offset of steel pipe.

The present application belongs to the field of steel pipe manufacturing auxiliary tools, in particular to a straight seam welded pipe inner weld polishing machine, aiming at solving the problems of low efficiency and poor quality of manual polishing due to the fact that the existing equipment is difficult to meet the requirements, the present application comprises a moving track, a lifting track, a beam cantilever and a polishing tool; the lifting track is arranged on the moving track, one end of the beam cantilever is arranged on the lifting track, and the other end of the beam cantilever is provided with the polishing tool; the polishing tool can enter the inside of the polished steel pipe to polish the weld; the polishing tool can move horizontally into the steel pipe through the setting of the moving track, and can rise and fall through the lifting track and the beam cantilever connecting the lifting track and the polishing tool, so that the polishing tool can accurately polish the weld of the pipe, improving the polishing accuracy and being more efficient than the manual polishing mode.

The utility model relates to the technical field of gravure grinder, especially to a motor high -speed grinding head for gravure grinder, including the sliding installation in the grinding drive seat of gravure grinder, and grinding drive seat is provided with grinding assembly, and grinding drive seat is provided with the longitudinal movement's grinding module, grinding drive seat still is provided with counterweight system, and counterweight system includes counterweight block, and counterweight block can move longitudinally, and counterweight block and grinding mounting plate are connected with each other, motor high -speed grinding head when grinding to gravure roll, grinding assembly usually needs along the radial direction of gravure roll and moves to grind in different positions, when moving, grinding assembly, because the movable connecting piece is arranged between counterweight block and grinding mounting plate, counterweight block also moves correspondingly, and counterweight block forms the mechanical balance system through the weight of matching grinding assembly, offsets its gravity influence, avoids the lift speed instability or the jamming phenomenon of the power shortage, reduces the impact force when the buffer starts and stops.

The utility model discloses a semiconductor wafer grinding head air cavity structure, which belongs to the technical field of chip processing, and comprises a grinding head air cavity body and a universal joint, the side surface of the grinding head air cavity body is uniformly provided with counter bores and threaded holes, the counter bores are communicated with the threaded holes, the threaded holes are communicated with an air channel of the grinding head air cavity body, and the universal joint is connected with the grinding head air cavity body. A threaded hole is formed in the middle of the grinding head air cavity body, a pipeline extends into the threaded hole and is connected with threads, a cavity is formed in the middle of the grinding head air cavity body, the universal joint extends into the cavity, and the grinding head air cavity body moves up and down along the universal joint. According to the grinding head air cavity, the phenomenon of cracking at the joint inlet of the grinding head air cavity body and the pipeline can be reduced, and the pipeline and the grinding head air cavity body can be connected more tightly.

The utility model relates to the technical field of metal ring machining, in particular to a metal ring workpiece machining positioning tool which comprises a machining machine tool. The grinding device further comprises a clamping frame and a V-shaped clamping block, a three-jaw chuck is rotationally connected to the upper side of the front end of the machining tool, a rotating rod is arranged at the front end of the three-jaw chuck, and a grinding rod is fixedly connected to the front end of the outer side of the rotating rod. Through the use of the clamping frame and the V-shaped clamping block, the bidirectional threaded rod is rotated to drive the clamping plate and the V-shaped clamping block to do relative motion and move by the same distance, ring gauges of different specifications are clamped and fixed, the applicability is improved, the V-shaped clamping block is stable and uniform in clamping, convenient to mount, dismount and replace and high in flexibility, and the clamping efficiency is improved. The processing machine tool drives the rotating rod and the grinding rod to rotate, the clamping frame drives the ring gauge to move front and back, reciprocating grinding is achieved, grinding is uniform and stable, grinding precision and grinding efficiency are improved, the automation degree is high, meanwhile, the spray head moves along with the clamping frame to spray grinding paste to the surface of the grinding rod, cooling is effectively achieved, and friction is reduced.

The invention belongs to the field of sand mills, and particularly relates to a sand milling structure for grinding water-based paint raw materials, a using method and a sand mill. The sanding structure for grinding the water-based paint raw materials comprises a grinding cylinder, a grinding rotating disc arranged in the grinding cylinder, a feeding pipe arranged on one side of the grinding cylinder and a discharging pipe arranged on the other side of the grinding cylinder, and the grinding rotating disc is of a rod pin type or turbine type structure; a plurality of jet exciters are arranged in the inner wall of the grinding cylinder, and a one-way water inlet pipe is connected to an excitation cavity of each jet exciter and used for injecting cleaning fluid into the excitation cavity in the cleaning stage. The jet flow exciter is integrated on the inner wall, in direct contact with materials, of the grinding cylinder, so that the same structure has the dual functions of actively enhancing flow field disturbance during grinding and high-pressure directional flushing during cleaning, and integration of grinding efficiency improvement and equipment self-cleaning is achieved.

This utility model belongs to the field of grinding equipment, specifically relating to a grinding device for fishmeal processing. It includes a tank body with multiple support rods fixedly connected to its outer side. A feed inlet is fixedly connected to the top of the tank body. A motor is fixedly installed on the top of the tank body, to the left of the feed inlet, and the output end of the motor is rotatably connected to the tank body. This utility model utilizes the design of the motor; the output end of the motor can drive the square rods to rotate, thereby enabling the rotation of the connecting sleeve and the grinding head. Combined with the function of the grinding base, this achieves the grinding of materials. Through the threaded engagement of the screw and the connecting block, the connecting block can move vertically when the screw rotates. The connecting block can drive the connecting ring to move, thereby adjusting the vertical height of the connecting sleeve. This changes the gap between the bottom of the grinding head and the inner wall of the grinding base, thus achieving the purpose of adjusting the grinding fineness.

The utility model relates to the technical field of grinding devices, and discloses a small sample grinding device which comprises a working table, a movable groove is formed in the middle of the working table, a through groove is formed in the inner wall of the movable groove, a first motor is fixedly assembled on the outer wall of the working table, and a lead screw is fixedly assembled on an output shaft of the first motor. The outer wall of the lead screw is rotationally connected with a cylinder. According to the small sample grinding device, through the arrangement of the workbench, the movable groove, the through groove strong magnet, the electromagnet, the reset spring, the electric heating plate, the glass plate and the body structure, in the using process of the device, hot melt adhesive is melted through heat transfer of the glass plate and heating of the electric heating plate, and therefore the body and the hot melt adhesive are fixed, and the size of the body is increased; and in the operation process, a single piece of grinding abrasive paper is used for grinding the body, then the automatic grinding effect is achieved, the body grinding precision of a user is improved, and the practicability of the device is improved.

This invention discloses a grinding machine and method for a slewing bearing internal gear ring, comprising a machine body, a support platform, an outer limiting device for the internal gear ring, an inner limiting drive device for the internal gear ring, a robotic arm, and a grinding device. The support platform is mounted on the machine body to support the slewing bearing internal gear ring. The outer limiting device for the internal gear ring is mounted on one end of the machine body and includes a driven wheel translation mechanism and two driven wheels arranged side by side. The inner limiting drive device for the internal gear ring includes a fixed plate, a driving wheel drive mechanism, and a driving wheel. The grinding device is mounted on the robotic arm and includes a grinding cutter. This invention enables the slewing bearing internal gear ring to be limited by the outer limiting device and the inner limiting drive device working together. Then, the robotic arm drives the grinding device to grind the slewing bearing internal gear ring at a set grinding position. The entire grinding process achieves high grinding precision and ensures grinding quality.

The utility model relates to the technical field of aluminum coil processing, in particular to an aluminum coil sleeve outer surface sharpening machine which comprises a main driving motor which is a large stepping motor, the main driving motor is installed in an upper layer table body of a first lifting table, and the first lifting table is a table body of a two-section type lifting structure. The main driving motor is a main driving device for driving the aluminum coil sleeve to rotate; the output end of the main driving motor is connected with a butt joint shaft rod, and the butt joint shaft rod is in butt joint with the extension shaft rod. According to the outer surface sharpening machine for the aluminum coil sleeve, a large stepping motor is adopted as a main driving motor, so that the main driving motor is strong in power in actual use and can stably drive the aluminum coil sleeve to rotate, the sleeve is convenient to mount and dismount through the butt-joint design of a butt-joint shaft rod and an extension shaft rod, meanwhile, the center lines of the butt-joint shaft rod and the extension shaft rod are aligned, and the outer wall surfaces of the extension shaft rod and the butt-joint shaft rod are flush; the stability and coaxiality of power transmission are guaranteed, shaking during rotation is reduced, and the grinding precision of the aluminum coil sleeve is improved.

A nozzle outer wall fine grinding fixed frock, including core pole, one end of core pole is equipped with first end, the other end of core pole is equipped with top cover, the other end of core pole is connected with connecting piece through screw thread, connecting piece is equipped with second end, nozzle is equipped on core pole, top cover is located in nozzle, the inside end of connecting piece is abutted on the outside end of top cover, first end is passed in nozzle inside, the inside end of second end is abutted on the end of nozzle other end.This utility model provides the end cover and connecting column of outer wall round, first, improve the contact area between and jaw, thereby improve the stability after clamping, to avoid the problem of relative rotation, second, the outer wall of both is cylindrical structure, so it is convenient to carry out the center clamping operation through the jaw, thereby improve the fine grinding precision.

The utility model relates to a ball head screw grinder, it includes base, support frame, first motor, second motor, speed reducer, flywheel, connecting rod, ball head screw, worm and worm wheel mechanism, fixed base and grinding ball bowl, first motor, support frame, worm and worm wheel mechanism are established in the top surface of base, second motor drives the rotation of speed reducer, and the ball head of ball head screw and grinding bowl type groove grind each other. The utility model through the horizontal rotation of grinding ball bowl and the back and forth reciprocating swing of ball head screw, simulate the ball head of ball head screw and with grinding ball bowl in the operation mode of running, carry out grinding to ball head, grinding ball bowl simultaneously, like this not only has promoted the grinding efficiency, and make the transmission pair contact surface that mutually spliced with synchronous grinding ball head, ball bowl formed has better cooperation degree, is favorable for promoting the grinding quality. The utility model has enlarged the grinding area between ball head and ball bowl, has improved the grinding precision, efficiency and service life of ball head assembly greatly.

The utility model discloses a grinding device for lithium battery isolating membranes, which relates to the field of grinding of lithium battery isolating membranes and comprises a pretreatment component, the top of an inner cavity of the pretreatment component is rotatably connected with a main gear and an auxiliary gear, and a first crushing roller and a second crushing roller are rotatably connected in the inner cavity of the pretreatment component. A grinding barrel is installed at the bottom of the pretreatment assembly, a grinding assembly is installed in an inner cavity of the grinding barrel, an eccentric wheel is rotationally connected into an inner cavity of the grinding assembly, a contact rod is arranged on the outer wall of the grinding barrel, a first servo motor is installed at the top of the pretreatment assembly, and a feeding pipe is installed on the side edge of the pretreatment assembly. And a filter screen is mounted at the bottom of the inner cavity of the pretreatment assembly. According to the grinding device for the lithium battery isolating membrane, raw materials of the lithium battery isolating membrane can be pretreated and then ground, and therefore the grinding efficiency and precision of the grinding device can be effectively improved.

This utility model belongs to the field of kitchen appliance technology and discloses a coffee grinder, comprising: a frustum-shaped main body, which includes a coarse grinding section, a pre-grinding section and a grinding section arranged coaxially along its outer side wall, wherein the diameters of the coarse grinding section, the pre-grinding section and the grinding section increase sequentially; a mounting hole, which is opened along the axial direction at the top center of the frustum-shaped main body and penetrates through the frustum-shaped main body; a first set of blades, located on the side wall of the coarse grinding section, extending obliquely along the axial direction with the blades pointing in the rotation direction of the main body; and a second set of blades, located on the side wall of the pre-grinding section, which are circumferentially distributed and have a circumferential density greater than that of the first set of blades. This utility model uses a frustum-shaped main body with a diameter increasing from top to bottom to form a three-stage grinding structure of coarse grinding section, pre-grinding section and grinding section. Large coffee beans are first initially crushed in the coarse grinding section, then moderately refined in the pre-grinding section, and finally finely ground in the grinding section, which significantly improves the consistency of powder particle size.