12results about How to "Achieve precision machining" patented technology

The utility model relates to the technical field of wood board processing machinery, and discloses an angle-adjustable milling device which comprises a milling device body installed on a machine base, a telescoping mechanism used for adjusting the telescoping amount of the milling device body is arranged on the front side of the machine base, and a rotating mechanism used for driving the milling device body to adjust the angle is arranged on the rear side of the machine base. The telescopic mechanism comprises a rotatable first ball screw, and the first ball screw is in threaded connection with an internal thread seat capable of sliding left and right; the rotating mechanism comprises a rotatable second ball screw, the second ball screw is in threaded connection with a sliding seat, and one end of the sliding seat is hinged to a connecting plate used for driving the main shaft to conduct angle adjustment. According to the milling device capable of adjusting the angle, the telescopic amount of the main shaft can be rapidly and accurately adjusted by arranging the telescopic mechanism, and the angle of the main shaft can be rapidly adjusted by arranging the rotating mechanism, so that different machining requirements are met.

The invention belongs to the technical field of medical sutures, and particularly relates to medical suture barb laser-assisted cutting equipment which comprises a pay-off assembly, a cutting assembly and the like, the pay-off assembly is used for releasing sutures, and the cutting assembly is used for processing barbs on the sutures. According to the cutting assembly, the first cutter for performing barb cutting processing on the suture line does not need to swing, and the cut barbs are warped outwards under the cooperation of the second cutter parallel to the movement direction of the first cutter, so that the structure for driving the first cutter in the cutting assembly is simpler, and the equipment cost is effectively reduced.

The invention discloses a four-axis compensation machining method under a workpiece offset clamping state, which comprises the following steps of: modeling a kinematic chain of a rotary table type four-axis machine tool to obtain a motion transformation equation between a coordinate axis of the four-axis machine tool and a cutter location under a workpiece non-offset clamping state; modeling a kinematic chain of the four-axis machine tool in the workpiece offset clamping state to obtain a general cutter spacing compensation calculation formula in the workpiece offset clamping state; and according to the obtained cutter spacing compensation calculation formula, a general numerical control machining program under the actual working condition is written. A cutter location source file generated by CAM software is processed, a numerical control machining program with a macro variable is obtained, and precise machining of a workpiece in an offset clamping state is achieved. Precise machining under the non-collinear state of the zero point of the workpiece and the rotary shaft of the rotary table can be achieved, the operation difficulty is lowered, the product clamping and aligning time is shortened, and the production efficiency is improved.

The present invention discloses a servo tracking chamfering device, which comprises a base; a first tracking mechanism, which can be movably arranged on the base to perform chamfering on a first area of ​​a wooden board to be processed; a second tracking mechanism, which can be movably arranged on the base to perform chamfering on a second area of ​​the wooden board to be processed; and two first servo motors, which are respectively used to drive the first tracking mechanism and the second tracking mechanism to move. By setting up the servo motor, the speed of the motor, i.e., the moving speed of the first tracking mechanism and the second tracking mechanism, can be set accordingly according to the specifications of the wooden board and the conveying speed of the wooden board on the assembly line, so that the first tracking mechanism and the second tracking mechanism can be ensured to move synchronously with the wooden board during the chamfering process, so as to realize the tracking process of the wooden board, thereby improving the production efficiency and the processing quality.

The invention discloses a segmented series spring shock absorber and machining equipment, and belongs to the technical field of vehicle shock absorption. The shock absorber comprises a gas spring, a heavy-load spring, a light-load spring and a retainer, wherein the retainer is arranged between the light-load spring and the heavy-load spring; a load energy release device and a temperature adaptation assembly are further arranged on the retainer, and the load energy release device comprises a bearing disc, an annular storage cavity and an energy release pad and is used for absorbing beat vibration energy; the temperature adaptation assembly comprises a ventilation hole and a friction pad, heat generated by the friction pad can be transmitted to the energy release pad, and low-temperature compensation and high-temperature heat dissipation are achieved. The invention further provides milling equipment for machining the clamping-in groove and the wedge-shaped groove, precise machining of the wedge-shaped groove is achieved through the eccentric milling principle, and the pressure relieving assembly ensures that a cutter stably stretches out through buffering of non-Newtonian fluid. The problems of response accuracy, retainer stability, beating vibration durability and temperature adaptability of the shock absorber under different load working conditions are effectively solved.

The invention relates to a spline side punching forming device which comprises a punching assembly, a pressing assembly, a side punching assembly, a side punching assembly, a side punching assembly, a side punching assembly, a side punching assembly, a side punching assembly, a side punching assembly, a side punching assembly and a side punching assembly, and the side punching assembly comprises a pressing head, a working table, an upper die holder and a lower die holder, the elastic material supporting assembly is telescopically arranged on the lower die base and is provided with a feeding and discharging position and a stamping position, and the elastic material supporting assembly is used for placing a to-be-machined workpiece and transferring the machined to-be-machined workpiece from the stamping position to the feeding and discharging position; the elastic material pressing assembly is used for pressing the workpiece to be machined on the elastic material supporting assembly; the stamping assembly further comprises a wedge mechanism and a forming die, the forming die comprises a fixed female die and a movable male die, the fixed female die is fixed to the lower die base, and the wedge mechanism is used for converting vertical movement of the upper die base into horizontal movement of the movable male die so that a workpiece to be machined can be extruded and formed between the fixed female die and the movable male die. According to the non-through spline groove profile machining method, precision machining of the non-through spline groove profile is achieved, and high production efficiency is achieved.

The invention provides a method for precision machining parameter coordinates of a five-axis composite numerical control machine tool, and the steps are as follows: establishing a model of a five-axis composite numerical control machine tool, the machine tool can realize the conversion from a horizontal-swing head turntable five-axis numerical control machine tool to a vertical-swing head turntable five-axis numerical control machine tool; selecting the form of the five-axis composite machine tool according to the characteristics of an involute helical surface; deriving the parameter coordinates of the five-axis composite numerical control machine tool according to the coincidence of a tool axis direction vector with a unit normal vector of the involute helical surface, and the relative motion relationship between a tool axis position vector and a position vector of the involute helical surface; constructing an interface for five-axis free milling of an involute helical surface; the method can realize precision machining of parameter coordinates of a five-axis composite numerical control machine tool for an involute helical surface, and improve stability.

This invention provides an ultra-precision turning apparatus for oblique off-axis ellipsoidal mirrors, comprising a base, an ellipsoidal mirror, and a cutting tool. The base has a first side and a second side arranged opposite to each other. The first side is used to connect to the spindle of a turning machine tool. The ellipsoidal mirror has an ellipsoidal surface to be machined, and the ellipsoidal mirror is detachably connected to the second side so that the rotation center axis of the ellipsoidal mirror coincides with the rotation center axis of the spindle. The cutting tool includes a tool holder and a cutting head connected to the end of the tool holder. The ultra-precision turning apparatus provided by this invention can be installed in conjunction with a turning machine tool to achieve ultra-precision turning of oblique off-axis ellipsoidal mirrors. Compared with the traditional polishing method for preparing oblique off-axis ellipsoidal mirrors, it is more efficient, lower in cost, and also has the advantages of high machining accuracy, simple installation, and avoidance of machining interference.

The invention relates to the technical field of numerical control machining, is used for solving the technical problems that when an existing workpiece rotates by 180 degrees, operation is inconvenient, and precision is insufficient, and provides a CNC 180-degree rotation clamp which comprises a sliding mechanism, a rotating mechanism and an expansion mechanism, the sliding mechanism comprises a sliding rail and a sliding block arranged on the sliding rail in a sliding mode, and the sliding block is arranged on the sliding rail in a sliding mode. A rack is arranged on the sliding rail; the rotating mechanism comprises a rotating seat and an expansion rod rotationally arranged on the rotating seat, the expansion rod is hollow, a cutting groove is formed in the free end of the expansion rod and used for sleeving a to-be-processed workpiece, a gear is arranged on the expansion rod and meshed with the rack, and when the sliding rail slides to the first position or the second position relative to the sliding block, the cutting groove is matched with the gear. The gear drives the expansion rod to rotate to a 0-degree position or a 180-degree position based on meshing transmission with the rack; the expansion mechanism comprises a conical rod, the conical rod is inserted into an expansion rod, and when the conical rod axially stretches out and draws back relative to the expansion rod, the expansion rod expands or loosens relative to the workpiece to be processed.

The invention discloses an automatic scraping robot system based on force control. The automatic scraping robot system comprises a camera support, a visual camera, a six-degree-of-freedom industrial robot, a workbench, a workpiece, an end effector, a force sensor and a comprehensive control system. Wherein the visual camera is arranged at the top of the camera bracket; the end effector is connected with the six-degree-of-freedom industrial robot through the six-dimensional force sensor; a workpiece is arranged on the workbench; the workpiece is positioned below the visual camera; the comprehensive control system is connected with the visual camera, the six-degree-of-freedom industrial robot and the end effector. And the comprehensive control system carries out regional analysis on the pictures shot by the visual camera to obtain regional coordinates, obtains a robot motion trajectory plan according to the regional coordinates, and controls the end effector and the six-degree-of-freedom industrial robot to move cooperatively according to the robot motion trajectory plan to scrape the workpiece. Manual scraping is replaced, and precise machining of the surfaces of various high-precision structural parts of spacecrafts is achieved.

The application discloses a kind of mechanical seal dynamic pressure groove laser processing process parameter inversion and groove depth processing precision control method, specifically includes the following steps: first, the design control target of dynamic pressure groove is set, i.e.target groove depth and groove depth relative error;Second, based on dynamic pressure groove laser processing groove depth calculation model, process parameter inversion program is prepared;Finally, using process parameter inversion program is processed once or multiple times, so that groove depth meets the design control target requirement of dynamic pressure groove.This application can realize the accurate control of mechanical seal dynamic pressure groove groove depth, can effectively improve the processing precision of dynamic pressure groove groove depth, with efficient precision, simple operation and the like.

The present invention belongs to the technical field of medical sutures, and in particular, relates to a medical suture barb-stimulating light-assisted cutting device, including a wire-laying assembly and a cutting assembly, etc. The wire-laying assembly is used to lay out the sutures, and the cutting assembly is used to process barbs on the sutures. In the cutting assembly of the present invention, the first cutter for barb cutting of the sutures does not need to swing, but cooperates with the second cutter parallel to its movement direction to achieve the outward warping of the cut barbs, so that the structure for driving the first cutter in the cutting assembly is simpler, effectively reducing the equipment cost.