44results about How to "High transmission rigidity" patented technology

The invention discloses a wire-cut electric discharge machine wire transport mechanism capable of realizing accurate closed-loop control on the tension of an electrode wire. The wire-cut electric discharge machine wire transport mechanism is characterized in that an upper tensioning wheel, a lower tensioning wheel and a connection plate form a tensioning element; the tensioning element is slidably connected with the vertical column of an opposite-line cutting machine along a vertical direction; the tensioning element is in transmission connection with a drive device through a force transducer, one end of the force transducer is fixedly connected with the tensioning element, and the other end of the force transducer is in transmission connection to the drive device; the directions of the acting forces of the upper tensioning wheel, the lower tensioning wheel, the force transducer and the drive device are located on the same axis; an annular closed electrode wire starts from a wire storage barrel, sequentially passes through an upper left reversing wheel, the upper tensioning wheel, an upper right reversing wheel, an upper guide wheel, a lower guide wheel, a lower right reversing wheel, the lower tensioning wheel and a lower left reversing wheel, and returns to the wire storage barrel; the signal acquired by the force transducer is used for controlling the drive device after being processed by a control circuit. The wire-cut electric discharge machine wire transport mechanism disclosed by the invention realizes accurate control on the tension of the electrode wire of a reciprocating wire-transport type wire-cut electric discharge machine.

The invention discloses a high-speed, high-precision numerical control folding machine and a method for solving the displacement of a folding beam, including a machine frame, a blanking beam, a folding die, a folding beam, an inclined slide rail, a driving seat, and a first crank connecting rod Mechanism and the second crank-link mechanism; the driving seat has intersecting slope one and slope two; slope one is slidably connected to the slope slide rail, and the slope slide rail is fixed on the frame; slope two slides with the folding beam of the edge folding machine Cooperate; one end of the first crank-link mechanism is fixed on the machine frame, and the other end is hinged with the driving seat or the flange beam; one end of the second crank-link mechanism is hinged with the drive seat, and the other end is hinged with the flange beam; The side beam realizes the displacement in the vertical direction and the horizontal direction under the common coupling action of the two crank-link mechanisms. The invention can realize translational movement in the horizontal direction and the vertical direction without additional swing, the control precision of the tool tip track is high, the appearance of the plate surface is smooth and clean during the bending process, and there is no indentation; the rigidity of the bending die is high, and the moving secondary load Small.

The invention discloses a fixed-axis cycloid transmission device comprising a shell, a power input shaft and a power output shaft. The power input shaft and the power output shaft are coaxially arranged and are respectively in rotation match with the shell; a driving disk is arranged in eccentric transmission match with the excircle of the power input shaft; a power output disk is arranged in transmission match with the power output shaft; transmission pins are uniformly arranged in rotation match along the circumference direction of the driving disk to form a pin gear which is engaged with an involute inner gear fixedly arranged on the shell; and the transmission pins are in eccentric rotation match with the power output disk. In the fixed-axis cycloid transmission device, the bearing capability of a cycloid reducing mechanism is enhanced, and a cantilever pin output mechanism of a traditional pin gear reducer is not used any nore, and power is directly output by the power output disk driven by the revolution motion of the transmission pins so as to enhance the transmission rigidity, improve the transmission efficiency and the transmission stability and further improve the bearing capacity. The invention has simple structure, small size, light weight, low cost, simplified mounting and dismounting processes and improved working efficiency.

An LAMOST astronomical telescope focal panel movement realizing mechanism is characterized in that a rotary movement mechanism, a tilted movement mechanism and a focusing movement mechanism are set as a co-movement mechanism, wherein, a large gear and a circular guide rail are fixedly connected on a base; six matched slide blocks are distributed on the circular guide rail; the slide blocks are connected with pinions through connecting plates; each pinion is meshed with the large gear; a drive motor is arranged on a shaft; the slide blocks are respectively connected with supporting rods through left single rod joint bearings; each supporting rod is connected on a focal panel through a right single rod joint bearing; every two supporting rods are arranged as one group in a V-shaped form, and one end of each of the two supporting rods leans against the connecting points of the focal panel through the right single rod joint bearings; three groups of connecting points are distributed in the same circle on the focal panel by 120 degrees; and the other end of each of the two supporting rods has a certain distance through the locations of the two slide blocks connected with the left single rod joint bearing on the circular guide rail. The invention not only simplifies the mechanical structure and the control system, but also improves the stability of the system.

The invention relates to a part for a numerical control lathe, in particular to a device with a middle lead screw and a tailstock for a numerical control lathe. The device comprises two guide rails, a large carriage and the lead screw, wherein the two guide rails are integrated with the lathe body, the large carriage is mounted on the guide rails and connected with the lead screw for controlling the large carriage to move on the guide rails, and the lead screw is arranged between the two guide rails. Tailstock guide rails are arranged on the lathe body beside the two guide rails, the tailstock moving along with the tailstock guide rails is arranged on the tailstock guide rails, and the tailstock is positioned right above the lead screw. Owing to the structure, the device has the advantages of compact structure, low manufacturing cost, high stability in application to the numerical control lathe, high workpiece machining precision and improvement of production efficiency.