4results about How to "Accurate quantity" patented technology

The utility model relates to the technical field of seeding quantification, and discloses a quantitative seed-metering device of a tractor seeder, which comprises a box body, the top end of the box body is fixedly connected with a feed hopper, the inner wall of the box body is fixedly connected with a limiting ring, the inner wall of the limiting ring is provided with a second batcher, the right end of the second batcher is provided with a first batcher, and the right end of the first batcher is provided with a second batcher. A second motor is installed on the outer wall of the right side of the box body, and the driving end of the second motor is fixedly connected with a rotating shaft. According to the seed sowing device, the first batcher and the second batcher work cooperatively and are matched with the limiting ring, the rotating shaft and other components, accurate quantitative control and ordered conveying of seeds are achieved, it is guaranteed that the number of the seeds sown every time is accurate, and the quality of sowing operation is guaranteed; the first batcher or the second batcher can be flexibly switched and used, meanwhile, the limiting ring effectively restrains the seed falling path, and reliable guarantee is provided for quantitative seed metering operation.

This invention discloses a transformer laminating machine, comprising a base, a coil loading seat, a pressing mechanism, a left guide seat, a right guide seat, a left pushing device, a right pushing device, a left laminating loading device, and a right laminating loading device. The coil loading seat is provided with a coil placement slot. Left and right laminating guide surfaces are respectively provided on the outer sides of the left and right shoulders of the coil placement slot. The pressing mechanism is provided with a coil pressing component. The left and right guide seats are located on the left and right sides of the coil loading seat, respectively, and are provided with left and right laminating slides. The left pushing device pushes the laminating pieces on the left end of the left laminating slide into the coil placement slot, and the right pushing device pushes the laminating pieces on the right end of the right laminating slide into the coil placement slot. The transformer laminating machine with the above structure accurately inserts the number of laminating pieces into the coil, achieving high production precision.

The utility model relates to paper cup packaging technical field, concretely is a disposable cup conveying device, it can ensure that disposable cup stacking quantity is accurate, improves the product yield, it includes blanking slide, material receiving device, turnover device, conveying device, transfer device, material receiving device sets up blanking slide below, material receiving device and turnover device are arranged side by side, and turnover device sets up conveying device one side, and transfer device sets up conveying device terminal, and conveying device includes conveying table, and the middle of conveying table is provided with through slot and is provided with the push plate of connection conveying chain in through slot, and the both sides of through slot are provided with limiting strip, and the conveying terminal of conveying table is provided with push material mechanism, and transfer device includes the material receiving plate of installation in transfer chain, and the outside of limiting strip far from turnover device one side is provided with the high baffle of setting up, and the material receiving plate of alignment conveying device terminal side is provided with position sensor.

The utility model provides a kind of color temperature adjusting circuit and electronic equipment, including a power supply VCC and a signal output circuit for output single-channel PWM signal and the LED circuit group being connected with power supply VCC and signal output circuit respectively;Signal output circuit includes single-channel PWM signal source, isolation optocoupler (U1) and the optocoupler current-limiting resistor (R1) being connected with single-channel PWM signal source and isolation optocoupler (U1), LED circuit group includes first circuit group and second circuit group, single-channel PWM signal source, isolation optocoupler (U1) and optocoupler current-limiting resistor (R1) control the current size of first circuit group and the second circuit group and mix ratio, to realize multi-section color temperature adjustment, the utility model utilizes single-channel PWM circuit to realize the accurate proportion control of multiple LED circuit groups, to realize more accurate color temperature adjustment.