58results about How to "Realize grinding" patented technology

The invention relates to a special shaped stone high-speed high-efficiency combined machining center with the functions of double five-axis linkage and synchronous cutting by double working heads, and relates to a device for processing stones. Active gantry structure is adopted in the machining center, the double-motor synchronous driving technology is adopted on the gantry beam, and synchronous high-speed driving is realized by the screw bar pair at the two sides; a milling working head component and a turning working head component are respectively arranged on the saddle of the beam, the vertical feeding mechanism thereof is formed by a suit of screw bar pair and a hydraulic pressure auxiliary mechanism; wherein, the milling working head can carry out rotation and scales division around the axis B, and the turning working head facilitates the same servo motor to realize rotation and scale division of axis A and cutting movement; the turning working head and the milling working head are arranged alternately, and both the turning process and the grinding processing can be carried out on stone articles at the same time. The machining center is provided with a numerical control system with the function of double five-axis linkage, and horizontal five-axis linkage machining and vertical five-axis linkage machining can be realized.

The invention discloses a constant-force floating system, and relates to the technical field of industrial automatic equipment. The constant-force floating system comprises a controller, a constant-force floating unit, an electric servo valve and a force sensor. The constant-force floating unit can achieve constant-force work, the force sensor can detect constant force and transmits the constant force information to the controller, and the controller conducts active adjustment or makes a decision according to the sensor information to control the electric servo valve so as to control flow input into the constant-force floating unit for constant force adjustment. According to the constant-force floating system, the constant force of the constant-force floating unit can be actively controlled through the controller preset program, real-time adjustment can be conducted according to feedback during using, operation of multiple situations can be achieved, the controllable degree is high, the adjusting speed is high, and precise grinding, cutting and other technology machining are particularly facilitated.

The invention provides a roll grinder for grinding guide rolls of aluminum foil processing equipment, and can solve the problem that the conventional roll grinder cannot be used for grinding the guide rolls of the aluminum foil processing equipment. The invention adopts the technical scheme that the roll grinder comprises a support system for a guide roll; the support system comprises a finial, a nylon block, a rotary chuck and two brackets; the rotary chuck is provided with an adjustable pusher dog; support circles are arranged at two ends of the guide roll and are supported by the brackets; a connector is arranged on the outer side of the support circle at one end of the guide roll; one side of the connector is connected with the support circle; the other side of the connector is connected to the pusher dog of the rotary chuck in a clamping manner; the support circle at the other end of the guide roll is propped against the nylon block; and the nylon block is propped against the finial. The roll grinder can be used for grinding not only working rolls but also guide rolls, so as to ensure that an aluminum foil processing enterprise is not required to purchase a cylindrical grinder to grind the guide rolls specially any more, which reduces the investment cost and the operation cost of fixed capital and improves the utilization ratio of the fixed capital.

The invention relates to the technical field of double enveloping worm gear pair manufacturing, and discloses an adjustment method of enveloping worm emery cutters with dipyramidal surface. During the processing of enveloping worm tooth surface, by the means of adjusting the emery cutter distance between dipyramidal-surface emery cutters and enveloping worms as well as the offset between the generatrices at the both sides of dipyramidal-surface emery cutters and the both sides of a datum plane, the relative position of the dipyramidal-surface emery cutters and the enveloping worms is determined and the dipyramidal-surface emery cutters relatively move according to the preset transmission ratio with the enveloping worms, thereby obtaining dipyramidal-surface enveloping worm tooth surface. By the adoption of dipyramidal-surface emery cutters in the same tooth profile angles and different diameters, the processing of enveloping worm tooth faces in different parameters can be realized.

The invention discloses a centerless fixture for a cylindrical grinding machine. The centerless fixture comprises a driving wheel, a supporting wheel and a pressing wheel, wherein the driving wheel is arranged on a rotating shaft of a grinding machine; the supporting wheel is arranged at the slanting lower part of the rear side of the driving wheel; the outer side of a support of the supporting wheel is hinged to one end of a pressing rod; the pressing wheel is arranged at the middle of the pressing rod; the other end of the pressing rod is connected with one end of a spring; the other end of the spring is connected onto a grinding machine rack; a positioning part is arranged at one end face side, which is away from a grinding wheel of the grinding machine, of the supporting wheel, on the support of the supporting wheel; a punch rod clamped among the driving wheel, the supporting wheel and the pressing wheel can be axially positioned by the positioning part; the punch rod is fixed by line contact matching between the circumferential surfaces of the driving wheel, the supporting wheel and the pressing wheel and the circumferential surface of a punch body of the punch rod; after the punch rod is fixed, the axiality of the punch rod can be directly guaranteed; the acting pressure of the pressing wheel on the punch rod is guaranteed by the pretightening force of the spring; the driving wheel is driven by the rotating shaft to rotate and drives the punch rod to rotate; the grinding processing is realized by contacting a circumferential section of the upper end to be ground of the punch rod with the grinding wheel.

The invention discloses a grinding jig for ejector pins of plastic molds. The grinding jig comprises a base, a height adjusting seat, a locking mechanism and an ejector pin clamp. A mounting plate is vertically arranged on the base. The height adjusting seat capable of moving up and down is arranged on the lower portion of the mounting plate. The locking mechanism is arranged between the height adjusting seat and the mounting plate. The ejector pin clamp arranged on the upper portion of the mounting plate comprises a clamp base and movable press plates. The clamp base is fixedly connected with the mounting plate, a plurality of rectangular jaws are vertically arranged on the clamp base, V-shaped grooves in multiple sizes are formed in the side wall of each jaw, and the movable press plates are arranged in the jaws and are all fixedly connected to a press-plate base. Horizontal movement control of the press-plate base is realized through a horizontal movement mechanism. The grinding jig can meet multiple grinding requirements of different batches of ejector pins with different heights and different diameters.

The invention discloses a method for grinding a cylindrical array structure with a high-order curve section by an arc array grinding wheel. The grinding wheel is trimmed into an arc array structure with repeated k-order sections, and an array cylindrical surface is ground through the arc array grinding wheel in a variable tangential point reciprocating manner according to the curve tangency principle; and the movement path of the grinding wheel in the high-order curve section plane of the cylindrical surface is an equidistant parallel line at the distance of r from a high-order curve. After the tangential point of the grinding wheel is changed once in the high-order curve section plane, the grinding wheel does reciprocating motion in the direction perpendicular to the high-order curve section plane for one time, so that the grinding of one generating line of the cylindrical surface is finished. Since the grinding wheel is of an array structure, the grinding process of all high-order curve section cylindrical arrays can be finished as long as the grinding of one cylindrical structure unit in the array structure is finished. After the section unit structure of the grinding wheel is trimmed into an arc, the tangential points between the grinding wheel and workpieces are ensured to form the high-order curve through the interpolation motion of a machine tool; and the array structureis ground in a variable tangential point manner, and the grinding accuracy is high.

The invention discloses an edge grinding head device capable of realizing automatic feeding. The edge grinding head device comprises a grinding assembly, a feeding assembly and a fixed base, wherein the grinding assembly is mounted in the fixed base, and the feeding assembly is mounted on the outer side of the fixed base; the grinding assembly comprises a grinding motor, a grinding head shaft, an edge grinding wheel, a sliding sleeve and a connecting flange plate; and the feeding assembly comprises a feeding motor, a turbine, a worm and an adjusting screw rod, the feeding motor is mounted at the top of the fixed base, the feeding motor drives the adjusting screw rod to move axially, and thus the sliding sleeve is driven to move axially. The feeding motor drives the worm to rotate, the turbine meshed with the worm is driven to rotate, threads of the adjusting screw rod are matched with inner hole threads of the turbine, accordingly the adjusting screw rod is driven to move axially, and therefore the sliding sleeve is driven to slide along an inner hole of the fixed base, and automatic feeding compensation for edge grinding wheel losses is realized.

The invention discloses a numerically controlled grinder with a rotatable grinding wheel head, which has the advantage that a grinding wheel can be tilted and turned to grind a thread and a tooth and can also swing left and right to grind a circular conical surface. According to the numerically controlled grinder, a first servo motor on a grinding wheel head base drives a sliding plate fixing plate to slide on a first guide rail via a first ball screw; a first direct-drive motor is mounted on the sliding plate fixing plate; a grinding wheel connecting seat is mounted on the first direct-drive motor; a second direct-drive motor is mounted on the grinding wheel connecting seat; a motorized spindle fixing seat is connected with the second direct-drive motor; a motorized spindle is mounted on the motorized spindle fixing seat; and the motorized spindle is connected with the grinding wheel to drive the grinding wheel to realize grinding machining. The first direct-drive motor and the second direct-drive motor can rotate respectively to control the grinding wheel on the motorized spindle to rotate left and right or tilt, and the grinding wheel can grind an external circular conical surface, gear or thread of a workpiece after being trimmed.

The invention discloses a grinding device for machining for insulation bushings and loops of a solar cell array substrate. The grinding device comprises a grinding head, a circular shaft, an adjustment gasket, a handle, an upper cover plate, a lower cover plate and an adjustment nut, wherein the upper cover plate and the lower cover plate are assembled through a location pin and a connection bolt;the grinding head is a diamond grinding head, and installed at the lower end of the circular shaft through a screw; the upper end of the circular shaft sequentially penetrates through a pin hole of the upper cover plate and the adjustment gasket, and then is connected with the handle; the upper surface and the lower surface of the adjustment gasket form mechanical contact with the handle and theupper cover plate separately; the adjustment nut is connected to the lower cover plate through a thread; and adjustment the height of the device in a product can be realized through rotating the adjustment nut, so as to control the machining thickness of the product. The grinding device disclosed by the invention is capable of rapidly and effectively realizing grinding for the planeness of the insulation bushings and the loops at a hinged support seat of the solar cell array substrate; the planeness of a plane composed of the bushings at the same side of the hinged support seat can be within 0.02mm; the planeness of a single bushing of the hinged support seat can be within 0.01mm; and machining and production can be rapidly and effectively completed.

The invention discloses a stroke control device of a grinding machine working table, and relates to the technical field of manufacturing of mechanical equipment. The stroke control device comprises a machine tool control system and the movable working table driven by a hydraulic cylinder; the movable working table is arranged on a machine tool body. The stroke control device is characterized in that a rotary encoder electrically connected with the machine tool control system is arranged on the machine tool body; a rotary shaft of the rotary encoder is connected with a gear; the gear is in meshing connection with a rack arranged on the movable working table; the rack is arranged in the straight-line motion direction of the movable working table. Compared with the prior art, the gear and the rack transmit to drive the encoder to rotate, and the straight-line motion process of the grinding machine working table is fed back to the machine tool control system in real time through the coaxial rotary encoder; therefore, the machining precision is improved, and grinding machining of a concave-convex curve on the surface of a part and automatic distance-fixed reversing of the working table can be achieved; a machine tool is easy, convenient and rapid to operate.

The invention discloses a double-head type efficient grinding mechanism for a semiconductor crystal bar. The mechanism comprises two grinding feeding assemblies which are structured the same, whereinthe two grinding feeding assemblies are oppositely arranged in the same plane and are not symmetric to each other; each grinding feeding assembly comprises a vertical moving assembly, a main shaft rotating assembly and a transverse feeding assembly; each main shaft rotating assembly comprises a main shaft rotating motor, a transmission shaft, a bearing box and an adapting plate; one end of each transmission shaft is connected to the output end of the corresponding main shaft rotating motor through a coupling, and the other end of each transmission shaft is connected to the corresponding adapting plate; a grinding wheel is mounted on each adapting plate; the main shaft rotating assemblies are mounted on the vertical moving assemblies in an up-down sliding manner; and the vertical moving assemblies can be mounted on the transverse feeding assemblies in opposite directions of the two grinding feeding assemblies by a reciprocating sliding manner. According to the grinding mechanism, the grinding wheels can be controlled to horizontally and vertically upwards move so as to realize rolling grinding and OF surface grinding of crystal bars with different diameter.

The invention discloses a grinding machine for curved surface machining, and relates to the technical field of grinding machine equipment. The grinding machine comprises a box body, a loading table and a moving frame are installed on the box body, the moving frame is located at one side of the loading table, meanwhile, a grinding part located at the upper side of the loading table is installed on the moving frame, the grinding part comprises a grinding belt, a wheel disc and a guide wheel, and the wheel disc and the guide wheel are in transmission connection through the grinding belt, wherein a plurality of telescopic supporting arms are evenly distributed on the circumferential side face of the wheel disc, and the grinding belt is connected to the outer sides of the supporting arms in a sleeving manner. According to the grinding machine, the multiple telescopic supporting arms are installed on the wheel disc in a matched manner, when the surface of a workpiece with a curved surface structure is ground, the corresponding supporting arms stretch out and draw back, the grinding belt connected with the outer sides of the telescopic supporting arms in the sleeving manner are attached to the surface of the workpiece, and grinding machining of the curved surface is achieved; and the problem that an existing disc millstone cannot conveniently grind irregular surfaces is solved.

The invention relates to a high-precision milling machining method for a hob of a hard alloy granulator. The high-precision milling machining method comprises the following steps that a grinding knife with a required size is selected; two positioning plates are mounted on a milling table, a distance adjusting mechanism for adjusting the distance between the two positioning plates is arranged on the milling table, and locking mechanisms are mounted on the side walls of the positioning plates; the distance between the two positioning plates is adjusted through the distance adjusting mechanism, and the hob is fixed through the locking mechanisms; gear motors are mounted on the side walls of the positioning plates, and the locking mechanisms are driven by the gear motors to rotate, so that a to-be-milled blade on the hob is aligned with the grinding knife; a base used for bearing the milling table is arranged below the milling table, a lifting mechanism is arranged on the base, and the lifting mechanism is used for driving the grinding knife to move downwards; a sliding mechanism for driving the milling table to slide is arranged on the base, the sliding mechanism is used for driving the milling table to slide in the axial direction of the hob, and the hob is milled through the grinding knife. The angle of the hob is not required to be manually adjusted, time and labor are saved, and the milling efficiency is improved.