13results about How to "Eliminate offset" patented technology

The utility model discloses a blood taking tube cover device for automatic assembly line, including two sliding frames and assembly seat, two sliding frames keep parallel, and the inboard slide connection of sliding frame has a plurality of sliding rings, and the fixed connection of between upper and lower sliding rings has two synchronous bars, and two synchronous bars respectively through the both ends surface of limiting fixture and with limiting fixture slide connection, and the inboard of limiting fixture has blood taking tube body, and the surface of sliding ring directly above blood taking tube body inserts and has cover body, the utility model discloses two sliding frames are set up to convey blood taking tube body and cover body respectively, and every group sliding ring is connected with synchronous bar, thereby guaranteeing that both are always on same vertical line in the conveying process, guaranteeing that subsequent assembly can be realized fast through pressing, need not using complex machinery to position, and the accurate alignment of both can be realized only through mechanical linkage, effectively shorten single assembly positioning time, and the efficiency of assembly line operation is improved significantly.

This invention relates to a gear welding device and method for a press, belonging to the field of press manufacturing. The technical solution is as follows: A gear welding device for a press includes a work platform with a ground rail. A transfer trolley is movably mounted on the ground rail to carry the gear to be welded. Positioners are mounted on both sides of the ground rail, each equipped with a rotatable gripper. A gantry frame is also mounted on the work platform, spanning the ground rail. A welding robot is movably mounted on the gantry frame, its movement direction being horizontal and perpendicular to the ground rail. The welding robot is equipped with a machine vision module. This solution, through the positioner grippers, can precisely achieve 180° rotation of the gear, providing a stable posture adjustment basis for double-sided welding. The welding robot, combined with the machine vision module, enables automated and high-precision acquisition of weld information, providing data support for intelligent welding path planning.

This utility model relates to a photomask clamp for microscopic inspection, belonging to the field of electronic device manufacturing and processing. It includes: a substrate with a placement groove at its center for accommodating the photomask; several clamping blocks slidably connected to the substrate surface, each clamping block being evenly distributed along the periphery of the placement groove and sliding radially along the groove; an adjustment mechanism including a rotating ring rotatably connected to the substrate and guide lugs evenly distributed on the rotating ring; the rotating ring rotating coaxially with the placement groove; the guide lugs corresponding in number to the clamping blocks, and each guide lug having a guide groove inclined outwards from the rotating ring; and each clamping block having a guide rod extending into and slidably connected to the guide groove; and a locking mechanism for locking or releasing the rotating ring and the substrate. This utility model ensures that the photomask is always clamped at the absolute center position of the placement groove, eliminating offset or twisting caused by asynchrony on both sides, and achieving high-precision automatic centering and clamping of the photomask.

The application discloses a kind of detection method, system and medium of automatic focusing, the detection method comprises: obtaining light spot image, along light spot length direction;Calculate the defocus amount corresponding to light spot image in each subsection area, analyze the defocus amount variation in adjacent two subsection areas, fit the surface curve of the object to be measured covered by light spot length;Construct the straight line with the minimum standard deviation of the surface curve of the object to be measured, determine the inclination angle of the surface covered by current light spot;Based on inclination angle, position transformation is carried out to objective lens center, judge whether to rotate adjustment is carried out to automatic focusing equipment according to the inclination angle of the surface of the object to be measured.The application analyzes the defocus amount variation of adjacent two subsection areas in light spot length direction, to fit the curve of the surface of the object to be measured, to facilitate the determination of the inclination angle of the surface of the object to be measured covered by light spot, and then according to the inclination angle, the objective lens is rotated and adjusted, to meet the focusing detection needs of different inclination degrees of the surface of the object to be measured.

The invention discloses a welding butt joint device for steel member machining, and relates to the technical field of steel member machining, the welding butt joint device comprises a rack, a conveying mechanism, a butt joint mechanism and a correction mechanism; the butt joint mechanism comprises a top crimping assembly, a side crimping assembly and a bottom supporting assembly. The bottom supporting assembly can adapt to workpieces with different thicknesses by adjusting the supporting height. The top crimping assembly realizes the opposite / back-to-back movement of compression rollers on the two sides, and workpieces with different thicknesses and widths are taken into consideration; the opposite movement of inverted-U-shaped moving plates on the two sides and a side pressing block is realized by the side crimping assembly; the single-rotation-direction screw is driven to rotate, so that longitudinal movement of the moving block and the side pressing block is achieved, and the device is suitable for workpieces of different widths and heights. The top crimping assembly, the side crimping assembly and the bottom supporting assembly are matched to eliminate deviation of a workpiece during welding, and butt joint precision and welding stability are guaranteed.

The utility model discloses a kind of reel transmission structures, it is related to reel transmission technical field, including driving sprocket and driven sprocket, the driving sprocket and driven sprocket are arranged in parallel, driving sprocket and driven sprocket are tensioned and provided with synchronous belt, the side coaxial fixed with one reel of driving sprocket, the same side coaxial fixed with two reels of driven sprocket, the wheel rim of one reel and two reels is evenly distributed with pin column convex column, the upper level of one reel and two reels is provided with flow channel plate, the flow channel plate is fixed in machine tool workstation by bolt mounting mode. The utility model is ensured that product can be strictly conveyed according to preset path and position by the cooperation of pin column convex column and product round hole, realizes accurate step type conveying.

The invention relates to the technical field of puncture in the interventional department, and provides an intelligent depth-adjustable puncture device for the interventional department, which comprises a universal flexible arm, and one end of the universal flexible arm is provided with a fixed seat connected with external equipment and an angle adjusting assembly. The angle adjusting assembly is installed at the other end of the universal flexible arm through a connecting frame, the puncture assembly is arranged on the angle adjusting assembly, through the arrangement of the structures such as the multi-section flexible arm and the transmission line, the multi-section flexible arm is composed of a plurality of hinged joint units, and the transmission line is connected with the multi-section flexible arm. The transmission lines are symmetrically arranged on the two sides of the arm body and connected to the tail end joint, the retracting and releasing amount is accurately controlled through the first power end and the second power end, the arm body is accurately bent in a three-dimensional space, it is ensured that an end effector stably reaches a preset target spot area, the problem of path deviation caused by the fact that the bending direction of a traditional flexible pipe is uncontrollable is solved, and the bending efficiency is improved. The problems of easy deviation and insufficient stability in the prior art are solved.

This utility model discloses an automatic assembly equipment for loading and unloading fixtures, chips, and carrier tapes. It includes a worktable with a fixture transfer component for transferring the fixtures, chips, and carrier tapes. A fixture loading and unloading component for loading the fixtures is connected to one end of the worktable, and a fixture feeding component for feeding the fixtures is located on one side of the fixture loading and unloading component on the worktable. During implementation, the entire process of carrier tape loading into the fixture, chip placement, and fixture locking is automated without manual intervention. Multiple chips can be placed simultaneously at a time, and it can adapt to different sizes, meeting the core requirements of semiconductors for "smaller chips, higher precision, and faster line changes." It enables the carrier tape carrying the chips to be quickly, accurately, and reliably positioned and fixed in the fixture, and achieves high-precision, high-speed placement of the chips within the carrier tape.

The utility model discloses an automatic assembling device which is used for assembling a part to a preset area of a product, the automatic assembling device comprises an operation table, an assembling mechanism and an adjusting mechanism are arranged on the operation table, the assembling mechanism comprises a moving frame and a carrying module, the moving frame is movably arranged on the operation table, and the carrying module is arranged on the moving frame. The carrying module can be arranged on the moving frame in an up-down moving mode, and a fixing piece used for grabbing and fixing the component is arranged on the lower portion of the carrying module. The adjusting mechanism is provided with an adjusting plane extending in the horizontal direction and facing upwards. The assembling mechanism has an adjusting state, in the adjusting state, the carrying module is located above the adjusting plane, the part fixed to the lower portion of the carrying module abuts against the adjusting plane, in the adjusting state, the state of the part can be corrected, and the follow-up assembling precision is ensured.

The invention discloses a processing method and device of a displacement sensor, a storage medium and electronic equipment, an AMT gear shifting execution mechanism is hoisted to calibration equipment, the calibration equipment comprises a high-precision positioning mechanism, a displacement sliding table, a displacement ruler and a driving mechanism, the driving mechanism is used for driving the displacement sliding table to move along a preset track, and the displacement sliding table moves along the preset track; the method comprises the steps that a displacement sliding table is driven by a driving mechanism to move, a target shaft in an AMT gear shifting execution mechanism is linked to move within the measuring range of the target shaft, and the displacement measurement value of a displacement ruler and the voltage value of a displacement sensor of the AMT gear shifting execution mechanism at each displacement point are obtained; the relative position between the magnetic core on the target shaft and the displacement sensor is changed; based on the displacement measurement value and the voltage value corresponding to the displacement measurement value, a calibration curve is established by adopting a polynomial fitting algorithm, and the calibration curve comprises a mapping relation between the displacement measurement value and the voltage value; and the calibration curve is written into the displacement sensor through controller area network (CAN) communication.

This invention belongs to the field of wafer positioning technology, and mainly provides a positioning and correction mechanism for edge etching equipment. It includes a split-type sealed cavity, a processing platform, and a pneumatically operated lifting positioning component. The cavity consists of an upper and lower cavity that interlock to form a sealed process chamber. The processing platform is located in the center of the lower cavity and its diameter is smaller than that of the wafer, ensuring complete exposure of the wafer edge. The positioning component includes four inverted T-shaped through holes arranged in a uniform ring around the circumference of the processing platform, a matching inverted T-shaped positioning element, a sealing cover, and an air source unit. The sealing cover at the lower end of the through holes communicates with the air source unit. The positioning element can rise and extend from the upper surface of the lower cavity under pneumatic drive, achieving secondary wafer positioning and correction. After positioning, it descends and retracts below the processing platform without interfering with the etching process. This invention eliminates wafer misalignment caused by tolerance superposition, ensures centered wafer positioning, ensures uniform edge etching, improves process stability and product yield, and features a simple structure, convenient maintenance, and strong versatility.

The utility model discloses a water pollution control water surface floating object fishing device, including the collecting jar, the top intercommunication of collecting jar has the bellows, the top fixedly connected with the connecting ring of bellows, the connecting ring is lower than water level height, the bellows has elasticity, the bellows can change the height of connecting ring through the mode of contraction or expansion, the top of connecting ring is provided with transmission structure, transmission structure can control connecting ring to go up and down, transmission structure includes the transmission motor of setting at the top of connecting ring, the output fixedly connected with the shuttle screw of transmission motor, the surface of connecting ring is equipped in the shuttle screw and is connected with the shuttle screw screw thread connection. The utility model discloses through the elastic expansion and transmission structure control connecting ring of bellows to go up and down, make the collecting mouth always lower than water surface and can dynamic change liquid level difference, avoid the tension loss of traditional fixed device because of the water level change, improve fishing stability significantly.