65results about How to "Accurate and controllable moving distance" patented technology

The invention discloses automatic stacking equipment for stacking four iron cores at a time. The equipment comprises stacking mechanisms, each stacking mechanism comprises a supporting frame and a gantry support, the upper surface of the supporting frame is slidably connected with a supporting plate, the inner wall of the supporting frame is fixedly connected with a first driving motor, a tooth groove is formed in the lower surface of the supporting plate, the output end of the first driving motor is fixedly connected with a driving gear matched with the tooth groove, a first elevator is arranged on the lower end of the supporting frame. The invention belongs to the technical field of transformer production equipment. The four stacking mechanisms are matched with a circulation feeding mechanism, so that synchronous stacking of iron cores of four transformers can be realized; the circulation feeding mechanism is adopted, on one hand, the moving distance of a moving frame is reduced, thestacking time is shortened, the stacking efficiency is increased, and on the other hand, different yoke pieces are separately placed by a circulation feeding system, the stacking requirement is low,and yoke piece plate materials can be replaced or added at any time.

An automatic iron wire shearing and bending device comprises a machine frame, an unwinding mechanism, a wire pulling mechanism and a shearing and bending mechanism, wherein the unwinding mechanism, the wire pulling mechanism and the shearing and bending mechanism are fixed to the machine frame; the wire pulling mechanism comprises a wire guide device, a fixed base, a movable base and an adjusting air cylinder; the adjusting air cylinder is connected with the movable base and can drive the movable base to move relative to the fixed base to pull wires; the shearing and bending mechanism comprises a die frame, a movable board, a bending board, a drive air cylinder and a lever linkage assembly; the drive air cylinder acts to drive the lever linkage assembly to be in transmission, so that the movable board moves towards the bending board to shear and bend the iron wires. The automatic iron wire shearing and bending device can achieve automatic wire pulling and feeding and automatic shearing and bending, one person can control multiple devices, working efficiency is improved, labor intensity is relieved, and labor cost is lowered.

The invention discloses a duct piece assembly simulated experimental device, comprising a counterweight matter, a duct piece pushing counterforce bracket, a duct piece assembling machine, and a pushing cylinder; the duct piece assembling machine and the pushing cylinder are fixed at the same side of the counterweight matter, and the duct piece assembling machine is used for assembling the duct piece so as to form an annular tunnel; the pushing cylinder leans against the end part of the annular tunnel through own expansion, so as to push the counterweight matter to move. When one annular duct piece is assembled by the duct piece assembling machine, the pushing cylinder can make the duct piece assembling machine fixed on the counterweight matter to move through own expansion under the supporting of the end part of the annular tunnel and the duct piece pushing counterforce bracket; when the duct piece assembling machine is moved in place, the pushing cylinder can be contracted so as to assemble the next duct vat. The importance is that the simulated experimental device is good for constructors to understand and skillfully operate the duct vat assembly, and the assembling ability of constructor is further improved, the shield construction quality is improved, and working efficiency is promoted.

The invention provides an image-text cutting machine, and belongs to the technical field of cutting. The image-text cutting machine comprises a rack, wherein a feeding area, a paper separating area, a cutting area and a discharging area which communicate with one another are arranged on the rack, a feeding mechanism, a paper separating mechanism, a cutting mechanism and a discharging mechanism are arranged in the feeding area, the paper separating area, the cutting area and the discharging area respectively, the feeding mechanism comprises a feeding channel, a gear motor, a transmission assembly connected with the output end of the gear motor and a bottom plate connected with the transmission assembly are arranged in the feeding channel, a tray used for bearing paperboards is arranged on the bottom plate, and the transmission assembly adopts chain wheel and chain transmission. Through meshing transmission between chain wheels and chains, paper can be conveniently loaded, the labor intensity of operators is reduced, and in addition, the storage space of the bottom plate for loading the paperboards to be cut is enlarged.

The embodiment of the present invention relates to the field of semiconductor lithography technology, and discloses a system and method for correcting the position of a photographing device. The position correction system for a photographing device includes: a photographing device, a distance sensing device, a distance adjusting device, and a control device; It is used to capture the mask image and send the mask image to the control device, wherein the mask image captured by the shooting device at the theoretical position can be used to extract the mask mark through the control device; the distance sensing device is used to sense the actual position of the shooting device , and send the actual position to the control device; the control device is used to receive the mask image and judge whether the mask mark can be extracted from the mask image. control the distance adjusting device to move the photographing device. The system and method for correcting the position of the photographing device provided by the present invention can automatically correct the position of the photographing device, improve work efficiency and reduce manpower loss.

The invention relates to a suction disk loading device and an optical pickup unit core of the suction disk loading device. The optical pickup unit core is used for reading optical disks of two systems, and comprises a main shaft motor, a first optical pickup unit driver and a second optical pickup unit driver, wherein the main shaft motor is arranged in the center of a bottom plate, and the firstand the second optical pickup unit drivers are respectively arranged below the bottom plate and at the left and the right of the main shaft motor. The suction disk loading device comprises the optical pickup unit core, upper cover assemblies, a disk delivery mechanism, control assemblies, a driving mechanism and disk pressing assemblies. The upper cover assemblies are fixed on the bottom plate ofthe optical pickup unit core. The disk delivery mechanism that is arranged on the upper cover assemblies is a marginal elastically-holding rolling disk-delivery link mechanism, and comprises a link mechanism, a primary roller and a subsidiary roller. A front-side power output member of the driving mechanism is fixedly connected with the primary roller, and a rear-side power output member of the driving mechanism is matched with a controller in the control assemblies. The invention can be used for broadcasting the disks of two different systems, has the advantages of compact structure, high reliability, and causes small damage to the disks.

The invention relates to a high-precision hobbing cutting machine for a plurality of fins. The high-precision hobbing cutting machine for the fins comprises a rack portion, a fin feeding mechanism and a fin cutting-off portion. The high-precision hobbing cutting machine for the fins is characterized in that the fin feeding mechanism comprises a supporting plate, wherein the supporting plate is fixed to an installation platform, and is used for supporting the fins, a hobbing gear shaft which can rotate around the axis of the hobbing gear shaft is arranged above the supporting plate, the axial direction of the hobbing gear shaft is perpendicular to the movement direction of the fins, a gap exists between the hobbing gear shaft and the supporting plate, the fins can penetrate through the gap, a plurality of hobbing gears which are arranged at intervals and can rotate along with the hobbing gear shaft are installed on the hobbing gear shaft, and gear teeth on the hobbing gears can be meshed with pitch tooth portions on the fins arranged on the supporting plate. According to the modes with the same purpose that the fins are pushed to move forward, the boundary dimension of the hobbing gears is much smaller than that of a transmission shaft with worm teeth, more hobbing gears can be arranged on the installation platform same to an installation platform in the prior art in size, and the purpose that the fins are pushed to move forward synchronously can be achieved; in addition, the displacement distance of the fins can be accurately controlled through control over the rotation angle of a servo motor.