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6results about How to "Good motion stability" patented technology

Injection molding part ejection mechanism and method and injection molding device

PendingCN121848619Ano risk of leakageEliminate eccentric load momentLoad torqueElectric machinery
The invention relates to an injection molding part ejection mechanism and method and an injection molding device, and belongs to the field of injection molding machines. The injection molding part ejection mechanism comprises a support assembly and a sliding plate slidably connected with the support assembly, a plurality of lead screws extending in the sliding direction of the sliding plate are arranged on the support assembly, and the sliding plate is rotationally connected with the lead screws; the sliding plate is connected with an ejector pin, and the lead screw is in transmission connection with a motor. According to the ejection mechanism, the multiple lead screws are symmetrically arranged, the multiple lead screws are driven by the motor to synchronously rotate to push the ejector plate to achieve the ejection action, the unbalance loading torque is eliminated through the symmetrical arrangement of the multiple lead screws, the movement stability is good, the response speed is high, the precision in the aspects of positioning and synchronization is high in the mode that the lead screws are driven by the motor, the structure is simple, stability is good, and energy consumption is low; and the risk of oil leakage is avoided.
Owner:DONGGUAN TAIFU MASCH CO LTD

Glass furniture positioning clamp

The utility model discloses a glass furniture positioning clamp which comprises a supporting mechanism, sliding mechanisms are installed at the two ends of the top of the supporting mechanism, the two sliding mechanisms are connected through a telescopic mechanism, and glass furniture positioning mechanisms are installed at the bottoms of the sliding mechanisms. The sliding mechanism comprises a top plate, a first sliding plate and a second sliding plate are slidably connected into sliding grooves in the two ends of the top of the top plate correspondingly, and an electric cylinder is fixedly installed at the top of the top plate. The telescopic mechanism comprises a first double-head rod and a second double-head rod, and the other end of the first double-head rod and the other end of the second double-head rod are fixedly installed on the second sliding plate and the first sliding plate respectively. The glass furniture positioning mechanism comprises a hollow block, positioning wheels are connected to the bottoms of the two ends of the rotating plate through bolts, the first sliding plate and the second sliding plate are pushed to slide through the electric cylinder, the positioning wheels of the rotating plate are driven to conduct limiting and positioning, the four corners of glass furniture can be positioned through the device, and the positioning effect is good.
Owner:JIANGXI RUIJING HOME DECORATION CO LTD

Feedforward compensation method and system based on acceleration feedback

The invention discloses a feedforward compensation method and system based on acceleration feedback, and the method comprises the steps: obtaining and analyzing a motion instruction of a controller, determining expected speed information and expected acceleration information of a controlled object, determining an expected feedforward resultant force based on the expected speed information and the expected acceleration information, and determining a feedforward control signal based on the expected feedforward resultant force; determining the acceleration feedback force of the controlled object based on the real-time acceleration information of the controlled object; determining an acceleration feedback compensation force based on the acceleration feedback force, and determining an acceleration feedback compensation signal of the controlled object based on the acceleration feedback compensation force; and synthesizing the feedforward control signal and the acceleration feedback compensation signal to obtain a motion control instruction of the controlled object, and controlling the controlled object to move according to the motion control instruction. According to the method, open-loop feedforward prediction and closed-loop acceleration observation feedback are deeply fused, the robustness of external interference and internal reference change is enhanced, mechanical resonance is effectively inhibited, and the trajectory tracking precision, the anti-interference capability and the motion stability are improved.
Owner:BEIJING QTCREATE TECH

Speed change mechanism of motor

The utility model relates to a speed change mechanism of a motor, which comprises a shell II, a swash plate II and a plunger hole are arranged in the shell II, a spring and a speed regulation plunger are arranged in the plunger hole, the speed regulation plunger is of a cylinder structure, a spherical surface is arranged at one end of the speed regulation plunger and abuts against the swash plate II, a cavity is arranged at the other end of the speed regulation plunger, one end of the spring is positioned in the cavity, and the other end of the spring is positioned in the cavity. The other end abuts against the bottom wall of the plunger hole. By arranging the spring, the speed regulating plunger is always in contact with the swash plate II, and the contact points are kept consistent, so that the swash plate II is prevented from being impacted during high and low speed switching, and the service life of the swash plate II is prolonged; the speed regulation plunger is of a cylinder structure, the fit clearance between the speed regulation plunger and the plunger hole is small, the leakage amount is small, and the motor efficiency is hardly influenced, so that a sealing ring does not need to be installed on the speed regulation plunger, and the problem that the coaxiality of the upper size and the lower size of a sealing groove in a conical plunger in the prior art is not easy to control is solved; the motion stability is effectively improved, the product structure is simplified, and the production cost is reduced.
Owner:YANTAI AIDI PRECISION MASCH CO LTD

A linear guide for CNC machine tools with adjustable counterweight

This utility model discloses a linear guide rail for CNC machine tools with adjustable counterweights, including a base. Linear guide rails are fixedly mounted on both sides of the top of the base, and the two linear guide rails are slidably connected to a slider. A first U-shaped frame is fixedly mounted on one side of the top of the slider. This utility model features a first fixed pulley on the slider and a second fixed pulley on the base, connected by a transmission belt. A T-shaped frame at the other end of the transmission belt is slidably connected to the inner wall of the U-shaped guide rail. Limiting pins are mounted on the T-shaped frame, and multiple counterweight plates are inserted through these pins. By inserting counterweight plates through the T-shaped frame and easily increasing or decreasing the number of counterweights, the stress state of the entire guide rail system can be flexibly adjusted according to different processing tasks or slider load changes. This helps optimize motion smoothness and reduce impact and vibration during operation.
Owner:CHANGSHU FENGZHISHENG MASCH TECH CO LTD