16 results about "Cylindrical grinder" patented technology

This invention discloses a centerless cylindrical grinding machine device for valve guides, belonging to the field of valve guide grinding. The device is used for infeed grinding of valve guides and includes a machine table, an adjusting frame and a grinding head holder respectively disposed on both sides of the machine table, and a workpiece support frame disposed between the adjusting frame and the grinding head holder and fixedly mounted above the machine table. This invention achieves axial elastic limiting of the valve guide through a clamping assembly and a reversing assembly, and, in conjunction with radial support from the workpiece support frame, effectively suppresses grinding movement and wobble of slender workpieces, improving grinding stability, coaxiality, and dimensional accuracy. After processing, it can automatically switch to a clamping and transfer mode for automatic unloading, achieving a high degree of automation. Simultaneously, cutting fluid can be directionally introduced into the inner hole of the valve guide and overflowed from a high position, forming internal convection heat transfer and significantly improving the cooling effect. After grinding, by flipping the drain hole, residual fluid in the inner hole is quickly drained by gravity, further stabilizing machining accuracy.

The utility model discloses a grinding wheel correction device for application in cylindrical grinding machine relates to cylindrical grinding machine technical field, including the body, the top fixedly connected with workstation of body, the workstation top fixedly connected with guide rail, the outer surface sliding connection of guide rail has headstock, the outer surface sliding connection of one end of guide rail away from headstock has tailstock, and the outer surface of one side close to headstock of tailstock is installed with correction mechanism. The utility model discloses through the pressure ring and the boss, fixes the grinding wheel disc between the cover shell and the baffle, and the positioning column can greatly reduce the time needed to center during installation, can also reduce eccentric situation, guarantees the machining accuracy, and the extrusion elastic ring, the buffer ring and the cushion block can all produce deformation when installing the grinding wheel disc, to reduce the gap on each structure connection, and the key groove on the transmission shaft can prevent the grinding wheel disc from slipping when rotating, so that the surface precision of workpiece is affected.

This invention relates to the field of rubber product processing equipment technology, and more specifically, to a rubber manufacturing cylindrical grinding machine that facilitates waste collection. The machine includes a main body with a protective cleaning structure and a dust removal structure. The protective cleaning structure includes a protective cover and a clamping structure. A mounting plate is provided on the main body, and the protective cover is installed on one side of the mounting plate via bolts. The protective cover has a wall cleaning structure, and the main body has a collection box that slides within the machine via the clamping structure. This invention physically surrounds the grinding area with a detachable protective cover, effectively preventing disorderly debris splashing, protecting the health of operators, and preventing debris from intruding into the precision parts of the machine tool. Its inner wall cleaning structure facilitates maintenance and ensures long-term effective protection. Simultaneously, large debris particles are guided to the sliding collection box below, achieving primary sorting and convenient cleaning of waste.

This invention discloses a method for preparing small-sized tensile test specimens, comprising: ① sampling; ② pre-processing of the billet, clamping the aligned billet on a lathe fixture and turning it into a billet with a diameter of Ф8-12mm; ③ CNC program setting; ④ CNC machining, processing the round bar billet through rough turning, finish turning, chamfering, and cutting to finally produce small-sized tensile test specimens as shown below; ⑤ Grinding, further grinding the CNC-machined small-sized tensile test specimens using an external cylindrical grinder, with the final finished product size being Ф6±0.02mm. The purpose of this invention is to provide a method for preparing small-sized tensile test specimens to meet the requirements of European customers for testing the tensile properties of rails. This invention is characterized by its simple operation and ease of promotion.

The utility model discloses a cylindrical grinding machine main shaft, including the axle body, the shell, the inner cover, the outer cover, the air curtain hole, the drain hole, the axle body is coaxially loaded in the shell, the both ends of shell are covered with the inner cover, the outer cover is stacked with the inner cover outside, be provided with first water retaining ring on the axle body, the inner cover is provided with the integrative second water retaining ring, the second water retaining ring installs in the port inner wall of shell, first water retaining ring, second water retaining ring mutually cooperate and form the zigzag water retaining joint, the inner cover is provided with the air curtain hole in the outer end port of water retaining joint, the outer cover is cooperated in the axle body outer peripheral surface and forms the water inlet joint. Through above -mentioned mode, the utility model provides a cylindrical grinding machine main shaft, forms the quick drainage channel through the air curtain hole and the drain hole, and realizes directional control and arranges simultaneously with air seal groove and guide angle, and the bearing distribution structure is optimized to the grinding wheel load simultaneously, thereby significantly improved the waterproof sealing performance and running stability of main shaft whole.

This invention provides an internal grinding machine for gear machining, comprising a grinding unit and a workpiece fixing unit, both mounted on the top of a machine tool support frame. The grinding unit is used to grind the inner circle of the gear, and the workpiece fixing unit is used for disassembling and fixing the gear. This invention controls the lateral position of the grinding component through a feed assembly, allowing the grinding component to extend into the inner ring of the gear while simultaneously rotating. A rotating assembly drives the grinding component to revolve around the inner ring of the gear, thus achieving grinding of the inner ring. A position control assembly can adjust the longitudinal position of the grinding component, thereby adjusting the diameter of the grinding component's revolution trajectory, enabling grinding of gear inner rings with different inner diameters.

The application discloses a universal cylindrical grinding machine convenient to use and a method, and relates to the technical field of cylindrical grinding machines. The universal cylindrical grinding machine is provided with a first dynamic balance assembly and a second dynamic balance assembly in a grinding wheel mechanism. When the grinding wheel body rotates at a high speed, centrifugal sliding blocks of the first centrifugal balance driving assembly and the second centrifugal balance driving assembly overcome the pre-tightening spring force and slide along the box body under the action of centrifugal force, drive blocks are pushed to slide along the adjustable outer ring inclined groove through driving rods and transmission rods, and the adjustable outer ring is driven to make a circumferential fine adjustment along the fixed inner ring. The process is automatically completed relying on the centrifugal force, manual operation and shutdown are not needed, synchronous grinding and balancing are realized, dynamic unbalance caused by grinding wheel wear and cooling liquid adhesion can be effectively offset, vibration and runout can be avoided, grinding accuracy can be ensured, and the service life of the grinding wheel is prolonged. Compared with the manual balancing mode of the traditional grinding machine shutdown, the system greatly reduces the balancing time, avoids production interruption, is suitable for batch continuous grinding, ensures consistent balancing accuracy, and reduces workpiece scrapping.

This utility model relates to the field of grinding machine technology and discloses an auxiliary centering device for an external cylindrical grinding machine. It includes a machine housing, with a grinding table inside the housing. A first mounting block is fixedly connected to one side of the outer surface of the housing, and a mounting buckle is fixedly connected to the first mounting block. A laser pointer is installed inside the mounting buckle. A second mounting block is fixedly connected to the other side of the outer surface of the housing, and a calibration center is fixedly connected to the top of the second mounting block. A ring is fixedly fixed to the outer surface of the housing, and a cutting frame is fixedly connected to the top of the ring. An electric slide rail is fixedly installed on the inner top wall of the cutting frame. This utility model has the following advantages and effects: the operator places the workpiece on top of the grinding table and illuminates the area of ​​the workpiece to be ground with the laser pointer, thereby enabling centering and calibration of the workpiece's grinding position, improving the grinding accuracy during the grinding process.

This utility model relates to the field of automatic feeding adjustment devices, and discloses an automatic feeding adjustment device for a centerless cylindrical grinder, including a main frame and slots. A slide rail is fixedly connected to the center of the inner bottom surface of the main frame, and a slider is slidably connected to the outer wall of the slide rail. Guide members are fixedly connected to both sides of the outer top surface of the slider, and cylinders are fixedly connected to both sides of the outer top surface of the slider near the center of the slider. Mounting plates are fixedly connected to the output ends of cylinders. In this utility model, the automatic feeding adjustment device for a centerless cylindrical grinder only requires manual placement of the workpiece to be processed into the slots on the movable block and the fixed block during the processing. The movable plate, cylinders, and other components cooperate to transport the workpiece to the ramp. After the previous workpiece is processed, the electric telescopic rod retracts, allowing the workpiece on the ramp to fall onto the worktable of the grinder for a new round of grinding, effectively avoiding the risk of work-related injuries that may be caused by manual feeding.

The utility model relates to a kind of end face tool setting instrument support for numerical control cylindrical grinder, it include: oil cylinder body, instrument seat, rotating shaft, gear, clamping block and tool setting instrument, the rotating shaft rotation is arranged in the instrument seat, the gear is set on the rotating shaft, the instrument seat is fixed in the one end of rotating shaft, the oil cylinder body is fixed in one side of instrument seat, the piston rod one end of the oil cylinder body is provided with gear face and is inserted into the instrument seat, the gear face is engaged with the gear each other, the tool setting instrument is fixed on the clamping block.The utility model is rotated by oil cylinder drive gear, to drive clamping block rotation, realize the position adjustment of tool setting instrument.The utility model structure compact, novel, cost-effective, easy to operate, save auxiliary time, improve work efficiency, improve the practicality and application universality of numerical control cylindrical grinder.

This application relates to the field of machining equipment technology, and particularly to an angle adjustment mechanism for CNC cylindrical grinding. The mechanism is located on the side of one end of a rectangular grinding platform, with a clamping fixture concentrically connected to the other end of the platform. The angle adjustment mechanism includes a first mounting plate, a reference adjustment plate, a first locking device, and a dial indicator, a leveling bolt, and an adjusting screw that are fixedly positioned on the first mounting plate and adjustable along the Y direction. One end of the reference adjustment plate is fixedly connected to the side of the rectangular grinding platform, and the other end has a displacement adjustment groove extending along the Y direction. One end of the first locking device passes through the displacement adjustment groove and is positioned and connected to the upper surface of the first mounting plate. This application achieves a breakthrough in dual precision for workpiece taper machining through the deep coupling of mechanical reference and dynamic monitoring, possessing advantages such as ingenious structural design, high machining accuracy, good synergy, and strong practicality.

1. The name of the design product: protective shell of numerical control cylindrical grinding machine. 2. The use of the design product: used as the shell of numerical control cylindrical grinding machine, plays the role of safety protection. 3. The design points of the design product: in shape. 4. The picture or photo that can best show the design points: perspective view.

This invention relates to an automatic temperature control device and method for the guideways of a precision and high-efficiency CNC cylindrical grinding machine. It includes a bed, a worktable, and multiple intelligent temperature control modules for the guideways. The bed and V-shaped guideway body adopt a separate structure. The V-shaped guideway body is composed of several segments, and the guide positioning groove precisely matches the positioning block inside the V-shaped guideway body. The V-shaped guideway body has an independent PLC intelligent temperature control structure, which accurately monitors the temperature rise of the working surface in conjunction with the V-shaped guideway in real time. This solves the key technical problem of deformation, elongation, and twisting along the length direction caused by the sliding friction and thermal expansion of the V-shaped guideway body, meeting process requirements and achieving real-time, accurate, automatic acquisition and intelligent control of the V-shaped guideway temperature rise during high-speed grinding. Furthermore, it overcomes the technical challenges of controlling straightness, radial runout, and grinding marks in the long-term continuous precision grinding and high-efficiency machining of shaft parts using precision and high-efficiency CNC cylindrical grinding machines, meeting the stringent requirements of high-precision grinding and high-efficiency machining of high-quality shaft parts.

The utility model discloses a cylindrical grinding machine clamp, include: limiting frame, the clamping distance adjusting device of assembly on limiting frame, clamping distance adjusting device is used for adjusting the distance of clamping, the mobile support subassembly of assembly on clamping distance adjusting device, mobile support subassembly is used for providing support to clamp, above -mentioned device makes mobile support plate move along the limit groove no.

The utility model relates to motor shaft processing equipment technical field, and disclose a kind of outer cylindrical grinder for motor shaft processing, including processing platform, grinding wheel frame and polishing device, the clamping assembly is arranged on the top surface of processing platform, the adjusting assembly is arranged on the bottom surface of processing platform, the clamping assembly includes installation box, the top surface of installation box is all set with sliding slot, the connecting rod is relatively arranged in the inside of installation box, the opposite surface of two connecting rods is all fixedly connected with clamping block, T slot is all set in the inside of installation box, the first rack is all fixedly connected on the bottom surface of connecting rod, and driving gear is rotatably connected between the inside wall of installation box by connecting shaft all through symmetry. In the utility model, by the setting of clamping assembly, the use range and versatility of equipment are greatly improved, the cost input of enterprise in equipment procurement and maintenance is reduced, and production efficiency is improved.

The utility model discloses a kind of lifting tool for cylindrical grinder, it is related to cylindrical grinder technical field, including mounting seat, mounting seat top is set slider, support rod, mounting plate and support block by installation shell, two-way screw is also rotationally arranged in installation shell interior, first bevel gear is set by mounting shaft in installation shell interior, second bevel gear is also set by key connection on two-way screw, second bevel gear and first bevel gear are mutually engaged, worm is also rotationally arranged in installation shell interior, worm and worm wheel are mutually engaged.The utility model adopts worm and worm gear and two-way screw transmission system of servo motor drive, combine bevel gear reversing mechanism, the high-precision synchronous lifting of support block is realized, the self-locking characteristic of worm and worm gear effectively prevents height drift in processing process, the thread connection of two-way screw ensures left and right slider movement consistency, significantly improve the precision and stability of workpiece lifting, satisfy micron level processing demand of cylindrical grinding.