8results about How to "Reduce offset error" patented technology

The present invention discloses a semiconductor lead frame processing equipment for an automobile interactive taillight and its products, which relate to the field of semiconductor technology, including a workbench unit, an integrated processing unit, and a plurality of integrated processing units are arranged on the top of the operating table. The downward movement of the push-out bottom plate inside the integrated processing unit completes the downward positioning of the coil inside the positioning frame and limits the downward pressure of the electric test pin pre-welded on the top of the coil, thereby reducing the offset of the electric test pin during the stamping process of the stamping block, and the pressing of the stamping block and the electric test pin will form an injection channel that is connected to the construction cavity, thereby completing the stamping modeling, that is, the coil on the top surface of the middle sleeve hollow block, the push-out bottom plate, the stamping block, the surrounding plate, and the bearing plate forms a sealed mold cavity between the construction cavity and the positioning frame, so that the side wall of the reaction cup and the mouth of the reaction cup are injection molded inside the mold cavity, thereby reducing the time consumption of re-clamping and re-injection molding to form the side wall of the reaction cup and the mouth of the reaction cup after stamping.

The application discloses a robot map updating method, which comprises the following steps: step 1, a robot establishes a current map in a current environment; step 2, the current map is updated according to the angle relationship between the current map and a map stored in a historical map library last time, the updated current map is stored in the historical map library, and the updated current map is updated as the map stored in the historical map library last time, so that the current map established in step 1 is updated; wherein each frame of map stored in the same historical map library represents the current environment.

The utility model relates to the technical field of garment processing, and discloses a button sewing device for garment processing, which comprises a working table, the front end of the working table is fixedly connected with a first motor, the driving end of the first motor penetrates through the front end of the working table and is fixedly connected with a driving wheel, and the outer wall of the driving wheel is meshed with a rack belt. A driven wheel is connected to the inner wall of the other side of the rack belt in an engaged mode, a gear is connected to the outer wall of the rack belt in an engaged mode, connecting plates are rotationally connected to the front side and the rear side of the gear, and a lower clamping plate is fixedly connected to the top ends of the connecting plates. According to the automatic button sewing machine, the upper clamping plate presses down and clamps clothes, then the first motor is started to drive the driving wheel to rotate, finally the lower clamping plate is driven to move leftwards, the pressing plate is pressed down in cooperation with the elastic force of the spring, the clothes are flatly clamped to move leftwards, it is guaranteed that button sewing work is conducted orderly, and the production quality of the clothes is improved.

The invention discloses an offset error calibration circuit and method, which relate to the field of integrated circuit design, and include: an analog-to-digital conversion module, which is used to respond to an adjustment instruction, generate an analog signal and a channel control signal, and convert the analog signal to obtain a conversion result before adjustment; an adjustment register module, which is used to store N groups of initial adjustment data; a calibration value management module, which is used to select and output target adjustment value data from multiple groups of initial adjustment values ​​stored in the adjustment register module according to a channel control signal in an effective state and a calibration control signal; and a calibration module, which is used to perform calibration according to the conversion result and the target adjustment value data. The invention solves the problem of re-modifying the mapping relationship of "adjustment value-ADC channel-module to be calibrated" without modifying the main software program, and can improve the calibration efficiency and reduce the complexity and cost of use.

The utility model discloses new energy micro -car quick exchange frame, including frame, the frame is formed by the beam, stringer in proper order and enclose the connection, and the battery body moves from the bottom end of frame to the inside of frame, the inside wall of relative stringer is intervally provided with a plurality of muscle strip no.

The invention discloses an offset error calibration circuit and method, and relates to the field of integrated circuit design, and the circuit comprises an analog-to-digital conversion module which is used for responding to a trimming instruction, generating an analog signal and a channel control signal, and converting the analog signal to obtain a conversion result before trimming; the trimming register module is used for storing N groups of initial trimming data; the calibration value management module is used for selecting target trimming value data from a plurality of groups of initial trimming values stored in the trimming register module according to the channel control signal in the effective state and the calibration control signal and outputting the target trimming value data; the calibration module is used for performing calibration according to the conversion result and the target trimming value data; according to the method and the device, the problem that the mapping relation of the trimming value-ADC channel-to-be-calibrated module is remodified under the condition that a software main program is not modified is solved, the calibration efficiency can be improved, and the use complexity and cost are reduced.

The present invention discloses a positioning device for a special-shaped pipe, and relates to the technical field of pipe processing. In the present application, the positioning device comprises: a receiving space is arranged inside a base body, the receiving space is provided with: a rotating mechanism for controlling the rotation of the device, an adjusting part is arranged on the surface of the base body, a placing part is arranged on one side of the adjusting part, a fixing part is arranged on one side of the placing part, the fixing part comprises: a sliding body connected to a rotating body, an adjusting part is arranged on one side of the fixing part, the adjusting part comprises: an adjusting block connected to the fixing part, an extruding part is arranged on one side of the adjusting part, the extruding part and the adjusting part are in a simultaneous motion state, the extruding part comprises: an extruding block connected to the adjusting block, and the extruding block is higher than the adjusting block. When the present invention fixes and clamps the special-shaped pipe, the fixing part is used to clamp the special-shaped pipe, and the different surfaces of the special-shaped pipe are adjusted by the adjusting part to maintain the stable clamping of the special-shaped pipe, thereby reducing the shaking of the pipe body during the processing of the special-shaped pipe and improving the processing accuracy.

The utility model discloses a polishing device for metal cutter processing, including cutter positioning module, flexible clamping module, material conveying module and polishing execution module. Cutter positioning module includes the spacing unit and linkage adjusting mechanism of symmetrical setting, and linkage adjusting mechanism passes through the synchronous adjustment clamping interval of spacing unit through two -way screw thread transmission subassembly, and the adaptation different width cutter. Flexible clamping module is located at the working surface of spacing plate, including elastic deformation layer and rolling body array, and the surface damage of cutter is reduced through rolling contact, and the cutter is allowed to convey steadily under the clamping state. Material conveying module adopts horizontal conveyer, and is through between spacing unit, ensures that cutter is continuously stable conveying. Polishing execution module includes rotary driver and polishing wheel group, and the cutter is polished efficiently. The device is through the combination of adjustable clamping, rolling support and continuous conveying, realizes the accurate positioning and efficient polishing of cutter, improves the processing precision, and is suitable for the automatic processing of cutter.