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

A Lego hollow brick forming machine is characterized in that it includes a base platform, a hopper, a feeding conveyor belt, an upper crossbeam, a movable crossbeam I, a movable crossbeam II, a machine column, a main hydraulic cylinder, an upper punch, a lower punch, a groove, a hydraulic cylinder IV, a core, a metal sheet, and a stacking table. The invention uses a novel three-stage pressing method to greatly improve the stability of high-hollow Lego blocks, so that the height error of the produced blocks is small. At the same time, under the objective condition that the error of the feeding amount in the block volume ratio stage is relatively high (±(2÷4)% of the average mass of the blocks), the pressure in the final pressing stage can be adjusted and other quality parameters of the blocks, such as firmness and frost resistance, can be guaranteed.

The invention provides a construction method of a material pressing surface of a stamping part, a computer program product and computer equipment, and the construction method of the material pressing surface of the stamping part comprises the following steps: constructing an initial plane material pressing surface for the stamping part; calculating point cloud coordinate data of the stamping part through the initial plane material pressing surface; calculating a control point set in XZ and YZ planes of a stamping coordinate system according to the point cloud coordinate data; constructing section lines in XZ and YZ planes according to the control point set; and an actual material pressing surface is formed based on scanning of the two section lines.

The utility model provides medical three-way pipe manufacturing equipment capable of positioning slide block insert pins, which comprises a fixed mold cavity and a movable mold cavity, a medical three-way pipe injection molding space is arranged between the fixed mold cavity and the movable mold cavity, and a first slide block insert pin, a second slide block insert pin and a third slide block insert pin are arranged in the medical three-way pipe injection molding space. The first sliding block insert pin, the second sliding block insert pin and the third sliding block insert pin are matched with one another, the first sliding block insert pin is clamped and propped against the second sliding block insert pin and the third sliding block insert pin respectively, a first movable mold insert, a second movable mold insert and a third movable mold insert are arranged in the movable mold cavity, the first movable mold insert is in sliding connection with the first sliding block insert pin, and the second movable mold insert is in sliding connection with the third sliding block insert pin. The second movable mold insert is in sliding connection with the second sliding block insert pin; and the third movable mold insert is in sliding connection with the third sliding block insert pin. The insert pin structure has the beneficial effects that the position consistency and part interchangeability of the first slide block insert pin, the second slide block insert pin and the third slide block insert pin can be realized, and the product quality is improved.

The utility model belongs to the technical field of lifting beds, and particularly relates to a Z-shaped transmission lifting bed which comprises a rectangular bed frame, lifting legs are arranged at corners of the lower portion of the bed frame, a gear box is arranged above the lifting legs, the lifting legs comprise driving lifting legs and driven lifting legs, and the driving lifting legs and the driven lifting legs are arranged on the gear box. The two driving lifting legs are arranged at the opposite angles of the lower portion of the bed frame, the two driven lifting legs are arranged at the opposite angles of the other side of the lower portion of the bed frame, transmission rods are arranged between the adjacent driving lifting legs and the driven lifting legs, and the driving lifting legs are driven by a driving device. The lifting device is reasonable in design, simple in structure and convenient to machine, and by means of matching of the tensioning device, the auxiliary wheel and the driving belt wheel, uniform distribution of lifting driving power is achieved, the transmission effect is improved, the possibility of height errors is reduced, and the use requirement is effectively met.

An automatic demolding and shaping system for a standard test engine comprises a machining system, a material system and a truss robot. The machining system comprises a transferring mechanism, a shaping mechanism, a nut dismounting mechanism, a small-diameter end cover dismounting mechanism and a core rod pulling mechanism which are arranged on a rack. The transferring mechanism comprises a transferring clamping jaw and a translation driving device; the nut dismounting mechanism and the small-diameter end cover dismounting mechanism are fixed on the rack at the lower end of the transfer mechanism side by side; the nut dismounting mechanism comprises an end cover pulling module, a nut dismounting module and a rotary driving module; the small-diameter end cover dismounting mechanism comprises an end cover dismounting module and a rotary driving module; the core rod pulling mechanism is located on one side of the small-diameter end cover disassembling mechanism and supported above the transferring mechanism through a supporting frame, and the core rod pulling mechanism comprises a clamping mechanism and a pulling mechanism. The shaping mechanism comprises a shaping clamping tool and a shaping body located under the shaping clamping tool. On-site face-to-face operation is reduced, on-site unmanned automatic demolding is achieved, and the potential safety hazard problem of on-site manual operation can be effectively solved.

The invention discloses a steel-concrete composite beam jacking and falling hydraulic system and method, and belongs to the technical field of highway bridge steel-concrete composite beam jacking and falling. The steel-concrete composite beam jacking and falling hydraulic system comprises a beam body and further comprises a temporary supporting module, the beam body is located above the temporary supporting module, and a hydraulic jacking and falling module, a digital control module and a sensing module are arranged between the beam body and the temporary supporting module. In order to solve the problems that unrecoverable damage is easily caused to a steel box girder body in the falling process after the steel box girder body is welded through manual operation, the overall quality of bridge deck pavement is poor, and the standard requirements cannot be met, after the steel box girder body is spliced and welded, a temporary supporting module is disassembled, and the bridge deck pavement quality is improved. And the hydraulic jacking and falling module, the digital control module and the sensing module are mounted on the pier, and finally, a worker controls the hydraulic cylinder to lift and fall back the beam body for concrete construction, so that the construction efficiency of the highway bridge is improved, and the construction quality is guaranteed.

The utility model discloses a height adjusting device for automobile detection platform relates to automobile detection platform technical field. The height adjusting device for automobile detection platform includes the mount, the upper portion of mount is provided with adjusting mechanism: drive assembly, including fixed mounting on the upper portion of mount and is increased height frame, the upper portion fixed mounting of height frame has the shell, the upper end fixed mounting of shell has the top, the upper portion fixed mounting of top has drive motor, rotates through drive motor and drives gear, and two groups of planetary gears are under the double restraint of the tooth profile structure of shell inner wall and drive gear, transmission frame bottom gear -like convex, revolve around drive gear, and also carry out autogyration, realize deceleration and increase the moment, and the tooth profile convex of transmission frame bottom and the planetary gear of output frame upper portion secondary reduce output speed and improve output torque, so that drive motor can select low output torque's model, thereby reduce the volume of drive motor, avoid the device volume too big.

The utility model provides a wafer lifting, clamping and rotating cleaning device, and relates to the technical field of wafer cleaning, the wafer lifting, clamping and rotating cleaning device comprises a cleaning tank and a pre-cleaning mechanism, one side of the inner wall of the cleaning tank is provided with a transmission track, one side of the outer wall of the cleaning tank is provided with a feeding port, one side of the inner wall of the cleaning tank is provided with a megasonic cleaning machine, and the other side of the inner wall of the cleaning tank is provided with a feeding port. The pre-washing mechanism comprises a fixed aluminum plate and two servo motors, and speed reducers are arranged on the tops of the two servo motors. In the utility model, under the action of the two lifting cylinders and the four vertical guide rails, the two lifting cylinders and the four vertical guide rails drive the two fixed plates, the two movable plates, the four driving rotating shafts and the four rotating shaft sleeves to move upwards, so that the rotating shaft clamping sleeves are ensured to be on a track transmission plane and then extend out through the two clamping centering cylinders; the wafer is driven to rotate to drive the rotating shaft and the related components to move inwards together and stop after extending to the limiting positions of the first limiting screw and the second limiting screw, the air cylinder is magnetically opened and fed back in place, and at the moment, wafer clamping is completed.