35results about How to "Realize continuous grinding" patented technology

The invention discloses a numerical control grinding and machining method of a stepwise variable pressure angle involute gear. The numerical control grinding and machining method is characterized in that: by utilizing a radial and tangential linkage displacement principle of a grinding wheel, a linkage control model for grinding the stepwise variable pressure angle involute gear by adopting an Archimedes worm wheel on the basis of a six-axis five-linkage numerical control system and a real-time interpolation pulse value calculation method directly used for actual design machining of a machine tool are provided. The invention fills a blank of the technology for grinding and machining the stepwise variable pressure angle involute gear by adopting a fix-axis five-linkage numerical control method and can provide the technical basis for high-precision machining of the stepwise variable pressure angle involute gear.

The invention relates to the technical field of traditional Chinese medicine processing, in particular to a crushing and grinding device for traditional Chinese medicine processing. The crushing and grinding device comprises a shell, wherein the top of the shell is provided with a feeding hopper, the lower side of the feeding hopper is provided with a crushing mechanism, the lower side of the crushing mechanism is provided with a grinding mechanism, a discharging mechanism is arranged between the grinding mechanism and the crushing mechanism, and the lower side of the grinding mechanism is provided with a collection box. According to the crushing and grinding device, by arranging the crushing mechanism, traditional Chinese medicinal materials can be crushed through a first crushing rod anda second crushing rod which rotate in opposite directions, so that subsequent grinding of the traditional Chinese medicinal materials is facilitated; by arranging a cam, a crushing box can vibrate upand down through the cam and springs, so that the traditional Chinese medicinal materials in the crushing box can be fully crushed; and by arranging the discharging mechanism, the discharging amountcan be controlled, continuous grinding of the traditional Chinese medicinal materials can be avoided by arranging the grinding mechanism, and the processing efficiency of the device can be improved.

The invention discloses a shaft height grinding machine. The shaft height grinding machine comprises a machine frame (1), a conveying belt (2), a first guide rail (3), two grinding wheels (5), a driving device and a shaft height fixture, wherein the conveying belt (2) is horizontally arranged on the machine frame (1); the first guide rail (3) is arranged in front of the conveying belt (2); the two grinding wheels (5) are arranged on the machine frame (1) and can be driven by a motor (4) to move in a departing mode or an approaching mode, the axes of the two grinding wheels (5) are coaxial, and the grinding wheels (5) are parallel to the conveying belt (2) and located on one side of the first guide rail (3); the driving device is arranged on the machine frame (1) to drive the grinding wheels to move; the shaft height fixture is arranged on the machine frame (1) and is driven by a first air cylinder to conduct reciprocating motion between the two grinding wheels (5) and the first guide rail (3), and the end, close to the grinding wheels (5), of the shaft height fixture is provided with a through hole (7) used for fixing a magnetic tile. The shaft height grinding machine has the advantages that the grinding accuracy of the shaft height of a tile-shaped magnet is improved, and size deviation is reduced; moreover, the shaft height grinding machine also has the advantages of being simple in structure, convenient to operate and stable in running.

The invention relates to a polishing device for small side plates of a table tennis bat handle. The polishing device comprises a base, a polishing assembly, a pressing assembly and a limiting plate assembly. The pressing assembly is mounted on the base and comprises a cross beam, a press rod, a first elastic piece, a limiting rod, a first vertical rod and a baffle, wherein the cross beam is fixed to the two side faces of the base and is higher than the upper surface of the base, one end of the press rod is hinged to end of the upper surface of the cross beam, the other end of the press rod extends along the cross beam, the first elastic piece is arranged on the cross beam and is connected with the press rod, the limiting rod is arranged on the cross beam and is located in the same plane with the press rod, the first vertical rod is connected with the press rod and is located on one side of the cross beam, and the baffle is connected with the lower end of the first vertical rod and is located above a polishing abrasive belt. The limiting plate assembly is located below the cross beam. On one hand, the limiting rod is used for limiting the travel of the press rod, and the polishing unevenness caused by overlarge force for pressing the press rod is avoided; on the other hand, the small side plates are limited to or separated from the limiting plate assembly by using the up-and-down movement of the baffle, in this way, the small side plates can be continuously polished, and working efficiency is improved.

The invention discloses a polishing device special for up-drawing of an oxygen-free copper rod, and belongs to the technical field of auxiliary polishing for varnished wire production. According to the technical key points, the polishing device comprises a bracket, a copper powder recovery box is arranged on the bracket in the vertical direction, a plurality of sets polishing units are arranged inthe copper powder recovery box at intervals in the height direction, and the to-be-polished copper rod passes through all the polishing units in the vertical direction; each polishing unit is composed of three or more grinding wheel polishing mechanisms which are evenly distributed at intervals in the circumferential direction of the to-be-polished copper rod and arranged in a staggered mode in the axial direction of the to-be-polished copper rod, and the grinding wheel polishing mechanisms comprise grinding wheels; the grinding wheels are arranged in the vertical direction, and the polishingend faces of the grinding wheels are each in an arc shape; and the total length of arc lines formed by contact between all the grinding wheels located on the same polishing unit and the to-be-polished copper rod is larger than the perimeter of the to-be-polished copper rod. The polishing device special for up-drawing of the oxygen-free copper rod is reasonable in structure, good in polishing effect and convenient to use, and is used for polishing of the oxygen-free copper rod.

The invention discloses a detection and good product identification device of a fingerprint chip. The detection and good product identification device comprises a bottom plate, a rotary disc seat, a rotary disc, a plurality of testing carriers, a cover opening mechanism and a packaging mechanism, wherein the rotary disc seat, the cover opening mechanism and the packaging mechanism are fixedly mounted on the upper surface of the bottom plate; testing seats are embedded in through holes of carrying plates; testing plates are mounted on the lower surfaces of the carrying plates and are positionedbelow the testing seats; hook parts of buckles are buckled with clamping parts; a movable plate is in contact connection with pressing parts of the buckles of the testing carriers; the packaging mechanism further comprises a material suction mechanism, a good product conveying mechanism and a degraded product conveying mechanism; the good product conveying mechanism and the degraded product conveying mechanism are parallelly arranged; a supporting seat is mounted on the upper surface of the bottom plate; a material suction motor is mounted on the surface of the inner side of one end of the supporting seat; and a suction nozzle is fixedly connected with a sliding block mounted on a material suction screw rod in sleeving manner through a mounting block. According to the detection and good product identification device, detected products are packaged after being separately conveyed through the material suction mechanism, integrated operation of detection and packaging is achieved, and the automation degree is high.

The invention discloses a method for adjusting the position and posture of cutter shafts for grinding blade-type parts. The method comprises the following steps: 1, a cutter contact coordinate systemxi (L) and a workpiece coordinate system xi (w) are established, and cutter shaft vectors are expressed in the workpiece coordinate system as in the specification, wherein in the formula, alpha is a heel angle of the contact face of a cutter and a workpiece, and beta is a slip angle of the contact face of the cutter and the workpiece; 2, cutter contacts are discretized, the included angle theta<i,i+1> between the cutter shaft vector of the i cutter contact and the cutter shaft vector of the <i+1> cutter contact is obtained, and the motion angular speed omega<i, i+1> between the icutter contact and the <i+1> cutter contact is calculated according to the formula; and 3, the optimization target function is established, according to the optimization target function, the cutter shaft vector position and posture meeting the minimum angular speed is solved, and the motion relationship of all the shafts of a numerical control grinder is solved. The cutter can conduct smooth machining in the grinding process, the phenomenon of overcutting or interference at curvature sudden change positions of the blade-type parts is avoided, and the surface machining quality is guaranteed.

The invention provides a high-precision workpiece polishing machine tool which comprises a base and a workpiece fixing mechanism. The workpiece fixing mechanism comprises a roller, a rotary shaft and a first driving mechanism. N rows of workpiece fixing grooves are formed in the outer wall of the roller in the circumferential direction, and each row of workpiece fixing grooves comprises the M workpiece fixing grooves formed in the axial direction of the roller at intervals; one end of the rotary shaft is rotatably connected with a first side frame, and the other end of the rotary shaft penetrates through the roller to be connected with the first driving mechanism; and a feeding mechanism used for conveying workpieces into the workpiece fixing grooves, a polishing mechanism used for polishing the workpieces fixed into the workpiece fixing grooves, a detecting mechanism used for detecting whether the polished workpieces are qualified or not and a discharging mechanism used for conveying the detected and qualified workpieces out are sequentially arranged on the periphery of the roller in the rotating direction of the roller. According to the high-precision workpiece polishing machine tool, the multiple workpieces can be polished at the same time, and the purpose of continuous polishing of the machine tool can be achieved; and through the detecting mechanism, the polished workpieces are detected, the qualification rate of workpiece polishing is ensured, and the working efficiency is improved.

The invention relates to a polishing and grinding device, in particular to a polishing and grinding device for optical lens machining. The invention provides an optical lens machining, polishing and grinding device with a dust falling function. An optical lens machining, polishing and grinding device comprises a water tank, a working frame, an oval track, a shielding component, a grinding part, a spraying mechanism, a discharging mechanism and the like, a blocking block is placed on the front side of the water tank, the working frame is arranged at the top of the water tank, the oval track is arranged on the inner side of the working frame, the shielding component is arranged on the top of the working frame, and the grinding part is arranged on the inner side of the oval track in a sliding mode. A spraying mechanism for dust falling is arranged in the middle of the top of the water tank, and a discharging mechanism for conveying the lenses to make contact with the grinding part is arranged on the rear side of the upper portion of the working frame. The water pump is started to pump water in the water tank into the pipeline, the water is sprayed out by the spraying part for water spraying and dust falling, meanwhile, the lens can be cleaned, and dust on the lens is cleared away.

The invention provides a piano hammer head grinding machine. A grinding motor is connected with a sand tray by an adjusting bolt; the grinding motor and an air inlet of a dust sucking pipe are arranged on a support frame; a transmission lead screw and a moving rail are arranged at the same side surface of a worktable; the lower end of the support frame is connected with the transmission lead screw and the moving rail at the same time; a dust storing box is arranged at the tail end of an air outlet of the dust sucking pipe; a motor is connected with a control box connected with a dust storing box, a cylinder and the transmission lead screw; the horizontal position of the support frame is arranged on the worktable; a fixing frame is arranged above the worktable and is provided with the cylinder; the cylinder is connected with a clamp; the transmission lead screw, the moving rail and the clamp are parallel with one another. The continuous grinding on a piano strip is realized by the grinding motor, the transmission lead screw and the moving rail; the dust sucking pipe is adopted to timely clear generated dust; the piano strip is not influenced by the falling dust adhered to the surface of the piano strip in the grinding process, and the machining efficiency of the sand tray is ensured.

The invention belongs to the technical field of production and machining equipment, and particularly relates to blade edging equipment. The blade edging equipment comprises a lower machine base, an electric control box, an upper rack, an annular guide rail, an annular guide rail driving motor, a control screen, an automatic clamp, a discharging mechanism, a synchronous blade feeding mechanism, a spiral grinding wheel set and a receiving container. The equipment has the advantages that the annular guide rail is adopted creatively, continuous grinding of a single blade is achieved, the production efficiency of the blade is greatly improved, and full-automatic efficient production of the single blade is achieved through the automatic clamp, the discharging mechanism, the synchronous blade feeding mechanism and the like. Moreover, the equipment has the greatest advantages of adopting the spiral grinding wheel set, and two cutting edges of the blade can be ground at the same time. The cutter relieving phenomenon during single-face grinding is effectively avoided, and the geometric accuracy and the dimensional accuracy of products are greatly improved.

The invention relates to a continuous-type table tennis racket small side plate outer side face processing device. The device comprises an operation table, a material feeding rod, a pushing assembly, a material discharging assembly, a polishing assembly and a relay, wherein the material feeding rod is vertically arranged on the operation table; the pushing assembly is used for pushing small side plates to be processed out of a cavity; the material discharging assembly comprises a conveying rod arranged on the other side of the material feeding rod, pushing modules symmetrically arranged on two end sides of the conveying rod and a material discharging hole, and the pushing modules are used for pushing the small side plates conveyed here to the material discharging hole; the polishing assembly is used for polishing the small side plates to be processed into small side plates; the relay is used for controlling a first controller and a second controller to work sequentially. The small side plates to be processed are continuously pushed out from the cavity of the material feeding rod by means of mutual matching of the material feeding rod and the pushing assembly. By means of mutual matching of the polishing assembly and the relay, a first blade and a second blade are controlled to polish the small side plates to be processed in the vertical direction and the horizontal direction sequentially, the small side plates of a table tennis racket are continuously polished and production efficiency is improved.

The invention discloses an automatic punching machine for fingerprint module machining. The automatic punching machine comprises a base, a base plate, a carrier plate, a pressing plate with a stampinghead, a movable plate and a fixed plate. The base plate is installed on the upper surface of the base, the carrier plate is arranged on the upper surface of the base plate, the base plate and the fixed plate are fixedly connected through at least two guide columns, the upper surface of the fixed plate is provided with an air cylinder, the movable plate is provided with at least two through holesthrough which the guide columns penetrate, the guide columns penetrate through the through holes, bearings are arranged between the outer side surfaces of the guide columns and the inner walls of thethrough holes, a reinforcing plate is arranged above the pressing plate and located between the pressing plate and the movable plate for fixedly connecting the pressing plate with the movable plate, the lower surface of the pressing plate is further provided with a plurality of limiting columns, and the limiting columns are used for being embedded into limiting holes in the upper surface of the carrier plate. By means of arrangement of the limiting columns and the limiting holes, positioning precision between the pressing plate and the carrier plate is ensured, and therefore stamping precisionis ensured.