12results about How to "Accurate setting" patented technology

This invention relates to the field of automated assembly technology and discloses an automated assembly equipment and method for hydraulic cylinders, including an assembly table. The top surface of the assembly table is provided with a piston turning assembly for moving a piston to a workstation. Above the assembly table is a piston adjusting mechanism for workstation transfer of the piston. Above the assembly table is a piston outer sealing ring fitting assembly for fitting an outer sealing ring onto the piston surface. This invention not only achieves continuous piston transport, workstation transfer, and sealing ring assembly through a fully automated design, including an electric conveyor belt, turntable, and cylinder drive assembly, but also significantly reduces manual intervention, improves overall assembly speed and production efficiency. The drive device and transmission components ensure accurate piston positioning at each workstation and precise fitting and insertion of the sealing ring, effectively reducing assembly errors.

The utility model provides a kind of lens edge automatic chamfer polishing device, it is related to chamfering equipment technical field, comprising: polishing table;The middle part upper end of polishing table is rotated and installed carousel by pivot;The polishing table on the left and right sides of carousel is respectively fixedly installed clamping frame, clamping mechanism is equipped on clamping frame, clamping mechanism is used to clamp the lens placed on carousel;Two The clamping frame between another side of polishing table is fixedly equipped with support frame at the position close to edge;Chamfer frame is installed on support frame, chamfer mechanism is equipped on chamfer frame, and chamfer mechanism is used to chamfer the lens ring edge. First, clamping mechanism uses clamping cylinder to drive clamping seat horizontal movement, drives clamping roller and driving roller to be jointly used to lens edge and be clamped.

This invention discloses a pressure regulating and stabilizing device for a casing gas venting valve in oil wells, belonging to the field of oilfield well maintenance technology. It includes a connecting pipe connected to a nitrogen source, a venting valve, and a pressure gauge. The venting valve is equipped with an adjustment knob. This invention involves adding nitrogen to the connecting pipe to reach the required pressure for the venting valve. Once the required pressure is reached, the venting valve is adjusted using the adjustment knob until it begins to release gas and pressure normally. This pressure regulating method ensures accurate setting of the venting valve. This invention also discloses a pressure regulating and stabilizing method for a casing gas venting valve in oil wells. Using the aforementioned pressure regulating and stabilizing device, first, the venting valve and pressure gauge are connected to the connecting pipe. Then, nitrogen is injected into the connecting pipe. After observing the pressure gauge reading and reaching the required stabilizing pressure value, nitrogen injection is stopped. The venting valve is then adjusted using the adjustment knob until it begins to release gas and pressure normally.

The utility model provides a kind of MPCVD seed crystal placing device, it is related to the technical field of artificial diamond production auxiliary device, to solve the placing of seed crystal usually relies on the experience and skill of operator, placing device is often lack of high automation, need more artificial intervention Problem;Including drive support, bearing frame, bearing side block, placing support frame and placing load frame;The drive support one end is provided with driving motor;The bearing side block is set to bearing frame side surface;The placing support frame is set to bearing frame bottom, and locating load groove is opened in placing support frame side surface, and guiding support frame is set to the both sides of placing support frame, and installing support block is fixedly arranged on the top of placing support frame;The placing load frame is inserted and mounted on the top of placing support frame;Driving gear shaft respectively first branch plate and second branch plate are pushed and pulled to adjust, and the positioning guide of two groups of second branch plate and placing support frame is slidably adjusted, so that seed crystal is independently supported and is placed on the top of seed crystal placing disc by placing support frame row falling.

The invention relates to the field of image processing, and provides an image control point processing method and electronic equipment, and the method comprises the steps: obtaining at least one to-be-detected control point in a to-be-detected image, setting a plurality of epipolar lines corresponding to the to-be-detected control point according to the relative relation between a plurality of reference images and the to-be-detected image, the to-be-inspected control points are automatically inspected as the stable control points or the unstable control points by means of the multiple epipolar lines, manual intervention is not needed, experience dependence and subjective deviation of workers are remarkably reduced, and the efficiency, accuracy and reliability of processing the image control points can be considered easily.

The present application relates to large automobile aluminum casting parts die casting processing technical field, especially relates to a kind of large automobile die casting die forging manufacturing process, comprising the following steps: step a, alloy smelting and refining, step b, mold preheating and spraying, step c, clamping and vacuumizing, step d, quantitative pouring, step e, injection, step f, pressurization and pressure maintaining, step g, opening, taking and cooling, step h, trimming and cleaning, by setting the drainage groove cleaning step on the basis of existing die casting manufacturing process, immediately after completing the quantitative pouring of aluminium liquid each time, the bottom of drainage groove is cleaned once, so that the quantitative pouring each time can realize the quantitative drainage output of aluminium liquid, ensure the quality of the large automobile die casting die forging of molding, improve the continuity and stability of production.

The utility model relates to the field of hydraulic drive assembly, in particular to a kind of based on two-way hydraulic drive assembly equipment, including equipment ontology, the equipment ontology includes base, hydraulic drive module, movable assembly module, pulley positioning frame, fixed assembly module;The top of the base is equipped with assembly platform, the top of the assembly platform is equipped with assembly station;The one end of the hydraulic drive module is towards assembly station;The movable assembly module is connected in hydraulic drive module;The pulley positioning frame is located in one side of movable assembly module;The fixed assembly module is fixedly connected in the side of assembly station away from pulley positioning frame;The hydraulic drive module, movable assembly module, pulley positioning frame, fixed assembly module form coaxial assembly path on assembly station.The utility model provides a kind of based on two-way hydraulic drive assembly equipment, replace artificial, improve assembly coaxial degree and stability, and reliability is strong.

The utility model provides a kind of curb stone flat stone construction lofting device, belong to road engineering construction and quality detection technical field.Solution the problem that elevation, gradient and flatness are difficult to accurately control and low in efficiency when flat stone masonry in road construction.It includes positioning plate, adjustable fixer, elevation regulator, fixed elevation positioning plate and adjustable elevation positioning plate, and the sliding connection between positioning plate and adjustable fixer;The elevation regulator is slidably connected with the positioning plate;The elevation regulator bottom is provided with a limit bottom plate, angle regulator and limit side plate adjustable elevation positioning plate are arranged on the limit bottom plate at intervals, adjustable elevation positioning plate is nested in fixed elevation positioning plate, one side of fixed elevation positioning plate is connected with limit side plate, and the other side is in contact with angle regulator;Baseline fixing device is equipped in the bottom of fixed elevation positioning plate and adjustable elevation positioning plate.It is mainly used for quickly and accurately positioning curb stone masonry position in road construction.

The utility model provides a kind of cutting-off equipment for fireproof cable, including cutting seat, the rear side of cutting seat is provided with cutting assembly for cutting fireproof cable, the front side of cutting seat is provided with conveying assembly for limiting fireproof cable, the upper surface of cutting seat is provided with arc slot, the rear side of cutting assembly is provided with material blocking assembly, the material blocking assembly includes baffle and threaded rod, both sides of baffle end are fixedly installed with slide bar, the side of cutting seat is provided with sliding slot, two The slide bar is movably penetrated in sliding slot, sliding block is slidably installed in slide bar. The utility model is rotated by rotating torsion block and drives threaded rod to rotate, sliding block is moved in sliding slot, and then the distance between baffle and cutting assembly is adjusted, the accurate setting of the cutting length of fireproof cable is realized, in each cutting, cable end and baffle contact trigger cutting, ensure that the length of cable is consistent each time.

The utility model relates to material science and engineering technical field, and disclose a kind of dispersion device for silicon micro powder surface modification, including stirring bucket and support frame, stirring bucket is fixedly installed on support frame, the top of stirring bucket is connected with bucket cover, the upper of stirring bucket is fixedly installed with four spiral buckles in circle, the four corners of bucket cover and stirring bucket are all provided with clamping groove, spiral buckle is connected with bucket cover and stirring bucket by clamping groove, the top of bucket cover is fixedly installed with motor, the output of motor is fixedly installed with transmission rod, the central position of bucket cover is provided with bucket groove for placing transmission rod, the bottom of transmission rod is fixedly installed with blade, the front of stirring bucket is fixedly installed with control system, and control system includes touch screen, PLC controller and temperature sensor etc., the dispersion device for silicon micro powder surface modification, equipment operating parameter can be controlled by control system operator, accurately set and adjust parameter, realize automated production, guarantee the stability and consistency of production.

The invention relates to the technical field of pre-oxidized fibers, and particularly discloses a cotton spinning pre-oxidized fiber and a preparation method thereof. The preparation method comprises the following steps: mixing a polyacrylonitrile precursor with a first modified oil agent to obtain a pretreated precursor; the first modified oil agent comprises polytetrafluoroethylene dispersion liquid, nano aluminum oxide and a silane coupling agent; carrying out gradient pre-oxidation on the pre-treated precursor in an air atmosphere under the conditions that the temperature is 215-255 DEG C and the tension is 1650-2100 cN, so as to obtain a pre-oxidized fiber; immersing the pre-oxidized fiber into a second modified oiling agent for oiling and curling to obtain a cotton spinning pre-oxidized fiber; the second modified oiling agent comprises an antistatic agent, a bundling agent and a moisture absorption friction increasing agent. According to the invention, the structural stability and antistatic property of the fiber are improved by controlling the condition parameters of pre-oxidation and optimizing the components and proportion of the first modified oil agent and the second modified oil agent, so that the spinnability of the cotton spinning pre-oxidized fiber is improved, and high-quality and large-scale cotton spinning processing of the pre-oxidized fiber is realized.