68 results about "Screw position" patented technology

The utility model relates to the technical field of screw machines, and discloses a screw adsorption structure for a screw machine, which comprises a conveying mechanism, a fixing mechanism, a rebounding mechanism and an outer frame mechanism, the bottom end of the conveying mechanism is connected with the side surface of the outer frame mechanism, the top end of the fixing mechanism is fixedly connected with the bottom end of the outer frame mechanism, and the rebounding mechanism is fixedly connected with the bottom end of the conveying mechanism. The side face of the fixing mechanism is connected with the inner side of the conveying mechanism, the conveying mechanism comprises a conveying pipe, an air supply pipe and an air suction pipe, the top end of the conveying pipe is fixedly connected with a connecting cavity, the top end of the connecting cavity is fixedly connected with the bottom end of the air supply pipe, and a rotating groove is formed in the side face of the connecting cavity; by arranging the air suction pipe, the screw stably slides off, accurate positioning of the screw is facilitated, inaccurate screw position caused by external force interference is avoided, and accuracy of the screw entering a target hole site is guaranteed; by arranging the annular magnet, the screw is stably fixed on the assembling head of the machine, and the screw can be prevented from falling off or deviating from the target position in the carrying, conveying or assembling process.

The invention provides an automobile part injection molding parameter control method and device, equipment and a medium. The method comprises the steps that feature extraction is conducted on nozzle pressure waveform data and a screw position sequence which are synchronously collected to generate a process feature set, V / P switching point calibration is conducted on the process feature set to generate optimized V / P switching point parameters, and injection molding speed optimization is conducted on the process feature set to generate optimized injection molding speed parameters. According to the optimized V / P switching point parameter and the optimized injection molding speed parameter, an injection molding simulation test is carried out to set an optimized dwell pressure parameter, and according to the optimized dwell pressure parameter, the optimized injection molding speed parameter and the optimized V / P switching point parameter, fluid-solid coupling simulation is carried out to generate an optimized mold clamping force parameter. And generating a production control adjustment instruction according to the nozzle pressure waveform data in the production process. By calibrating the V / P switching and injection speed and optimizing the pressure maintaining and mold clamping force, self-adaptive closed-loop optimization of process parameters is achieved, and the stability of the product size and appearance is guaranteed.

The utility model provides an automatic assembly device for an electric control cabinet, a target transfer mechanism comprises a first fixed base, a first displacement device and a clamping device, the first displacement device is movably assembled on the first fixed base, and the clamping device is arranged on the first displacement device; the first displacement device moves the clamping device relative to the first fixed base according to the spatial positioning data, the clamping device clamps the electric control cabinet, the cooperative assembly mechanism comprises a second fixed base, a second displacement device and a nail screwing device, the second displacement device is movably assembled on the second fixed base, the nail screwing device is arranged on the second displacement device, and the second displacement device is movably assembled on the second fixed base. And the second displacement device moves the screw tightening device relative to the second fixed base according to the spatial positioning data, and the screw tightening device tightens the mounting screw at the tightening position of the electric control cabinet. Therefore, through cooperation of the visual positioning mechanism, the target transfer mechanism and the cooperative assembly mechanism, automatic assembly and automatic tightening of the electric control cabinet can be realized, so that the operation efficiency is improved, the number of operators is reduced, and the man-machine engineering is improved.

The invention provides an SCARA robot and a control method and device thereof, a medium and a computer program product. The control method of the SCARA robot comprises the steps that a kinetic model of the SCARA robot is established according to joint information, motion information and lead screw information of the SCARA robot; according to the expected joint track, the expected lead screw position and the lead screw information of the SCARA robot, a corrected joint track of the SCARA robot is determined; according to the dynamic model and the corrected joint track, the screw rod vibration error and the screw rod vibration rule of the SCARA robot are determined; and control input information of the SCARA robot is determined according to the corrected joint track, the lead screw vibration error and the lead screw vibration rule. By means of the control method, the influence of lead screw shaking on the SCARA robot can be considered, and the precision of controlling the SCARA robot to move is improved.

The invention discloses a position identification method, device and equipment for a vehicle rear rotating lead screw, a medium and a product. The method comprises the following steps: in response to a position identification request for a backward rotating screw rod of a target vehicle in a current vehicle ignition period, acquiring current position information of the backward rotating screw rod acquired by a screw rod position sensor deployed on the target vehicle; acquiring current displacement information of the backward rotating screw rod acquired by a screw rod displacement sensor deployed on the target vehicle; determining a midpoint deviation value of the backward rotating screw rod and a linear deviation value of a screw rod position sensor; if it is determined that the backward rotation lead screw meets a preset position identification judgment condition according to the current position information, a lead screw gap difference value of the backward rotation lead screw is obtained, and target displacement information of the backward rotation lead screw is determined according to the current displacement information and the lead screw gap difference value; and according to the midpoint deviation value, the linear deviation value, the target displacement information and the current position information, the position recognition result of the backward rotation lead screw in the current vehicle ignition period is determined.

The application discloses a light-weight split type centering structure suitable for a sub-caliber dynamic accelerating device and belongs to the technical field of special launching. The application comprises a front centering part, a rear centering part and an adjusting mechanism; the front centering part is composed of a plurality of annular supports with the same structure according to the length of a projectile body and is sequentially sleeved on the projectile body; the rear centering part is connected with the sleeve through a center blind hole; the bottom surface of the center blind hole of the rear centering part abuts against the tail end surface of the projectile body; the adjusting mechanism is composed of a long screw rod and a plurality of nuts; the position of the annular support of the front centering part is adjusted by adjusting the screwing position; the application reduces the proportion of useless projectile support mass in the launching mass; under the condition of the same launching propellant amount, the projectile body obtains a higher speed, and the design index of reducing the launching mass is realized.

The invention relates to a traction battery (100) of an electric vehicle, comprising an arrangement of interconnected individual cells in a battery housing (110), having a housing lower part (200) and a housing upper part (300) connected to the housing lower part (200) at several screw positions (400), wherein the housing upper part (300) has a nut (430) at each screw position (400) on its underside (301) facing the housing lower part (200), the housing lower part (200) has a through hole (410) at each screw position (400), and at each screw position (400) screws (420) are guided from an underside (201) of the housing lower part (200) through the through holes (410) and screwed into the nuts (430).

This utility model discloses a device for controlling and distributing feed at a poultry house feeding port, including a main feeding plate and auxiliary wheels. A secondary feeding plate, forming a feeding chamber with the main feeding plate, is provided on one side of the main feeding plate. The secondary feeding plate has a feed inlet for the feed hopper. Auxiliary wheels are evenly distributed between the main feeding plate and the secondary feeding plate. This utility model reduces resistance and protects the feed hopper by installing an adjustable-height control plate between the feed storage hopper and the feed trough, and by installing slidable inner and outer sliding wheels on the part that fits against the feed trough. The position of the screws on the device can be adjusted to move the control plate up and down, thus controlling the amount of feed dispensed.

The invention relates to a connector for the detachable, electrically conductive contacting of contact elements, comprising a connector plug and a connector mating plug as well as a connector primary locking mechanism, formed essentially by at least one locking screw, wherein the connector has a screw position lock for the connector primary locking mechanism, which is movable between a neutral position and a position lock position, wherein the screw position lock has a locking element and at least one position element, wherein the locking element is locked in a neutral position by a neutral position detent, wherein the neutral position detent is released by the position element when the locking screw is tightened and thereby the primary locking of the connector is present.

The utility model discloses a quick-assembly transmission rod, and belongs to the technical field of transmission rods. Comprising a transmission rod, a hole is formed in the side face of the transmission rod, a pair of side faces of the hole are inclined faces, a pair of limiting grooves are formed in the top face of the transmission rod, the sides, close to each other, of the limiting grooves are provided with clamped positions, the part, between the limiting grooves, of the top face of the transmission rod is provided with a screwing-through position, and one side of the transmission rod is higher than the other side of the transmission rod. A pair of fulcrums is arranged on the shorter side of the transmission rod, and a limiting surface is arranged on the higher side of the transmission rod; a first sliding groove and a second sliding groove are formed in the top face of the window frame, the second sliding groove is located above the first sliding groove and communicates with the first sliding groove, the transmission rod slides in the first sliding groove and the second sliding groove, the pair of fulcrums abut against the side face of the first sliding groove, and the limiting face abuts against the side face of the second sliding groove; the hardware fitting is located in the first sliding groove, the hardware fitting is provided with a set screw, and the set screw penetrates through the screwing-through position and abuts against the inclined face.

The invention discloses a seamless steel pipe perforating machine and a guide plate frame locking device thereof, and belongs to the technical field of seamless steel pipe perforating machines. The guide plate frame locking device comprises a positioning assembly arranged on one side of a guide plate frame and a locking assembly arranged on the other side of the guide plate frame; the positioning end is of a screw positioning structure, accumulative errors generated in the machining and assembling process can be effectively compensated by adjusting the screwing position of the positioning screw in advance according to the working condition and fixing the positioning screw through the locknut, when positioning related parts are abraded after long-term use, precision compensation can be achieved by adjusting the position of the positioning screw again, and the positioning precision is improved. The locking end adopts an inclined plane matching structure, and the thrust of the hydraulic cylinder is converted into larger horizontal locking force by utilizing the force amplification effect of an inclined plane, so that the locking effect of the horizontal locking device on the guide plate frame is obviously enhanced, and meanwhile, the impact load is prevented from being directly borne by the hydraulic cylinder; and the service life of the hydraulic cylinder is effectively prolonged.

It suppresses the generation of unnecessary shear insulation, preventing discoloration, yellowing, and burning of molded products, and dramatically improving molding quality. [Solution] In advance, as molding conditions, at least a torque target value Ts for screw rotation torque T and an upper limit value Ru for screw rotation speed R are set. During the plasticization process, the rotation of the screw 3 is controlled with respect to the torque target value Ts. At the same time, a graphic display screen 51 is popped up by a changeover switch 50 from the normal waveform display screen 11nn, which displays at least one change data of injection speed V, injection pressure Pp, and mold parting opening Lm during molding, to display at least one change data of screw position X, screw rotation torque T, and screw rotation speed R during the plasticization process.

The invention discloses a vehicle steering control method, device and equipment and a storage medium, and relates to the technical field of vehicle steering. The method comprises the steps that the type of a target steering instruction is determined according to the change rate of the target steering instruction and the current working mode of the steer-by-wire system; according to the type of the target steering instruction, offset increase processing is conducted on the target steering instruction, the processed target steering instruction is obtained, and then vehicle steering is controlled; and under the condition that the current lead screw position meets the instruction recovery condition, the processed target steering instruction is recovered to the target steering instruction, and vehicle steering is controlled according to the target steering instruction. According to the scheme, the target steering instruction is subjected to offset increase processing, the speed of convergence to the target steering instruction is increased, and under the condition that the current screw rod position meets the instruction recovery condition, the original target steering instruction is recovered, overshoot is prevented, and the stability and safety of vehicle steering control are improved.

The utility model discloses an automobile headlamp screw position detection device, which relates to the technical field of screw positions and comprises a device main body and a control mechanism, and the control mechanism comprises a servo mechanism Y shaft, a servo mechanism X shaft, a servo mechanism Z shaft and a visual sensor. An X shaft of the servo mechanism is fixedly connected with the device main body, a Y shaft of the servo mechanism is fixedly connected with the device main body, a Z shaft of the servo mechanism is vertically mounted in the device main body, and the visual sensor is rotatably connected with the Z shaft of the servo mechanism. When the position of a screw of the adjusting mechanism is abnormal, for example, the position of the screw is not in a working position or a product cannot be normally driven due to the fact that the adjusting mechanism is damaged, and when the adjusting mechanism is abnormal, an operator needs to use a glare flashlight to judge whether the abnormity comes from the damage of the adjusting mechanism at a special angle.

To provide a weed control device for rice paddies that further improves power generation efficiency and prevents a decrease in work efficiency caused by power shortages. [Solution] A weeding device for paddy fields 100 is configured to automatically travel across a field, comprising a float body 101 with a solar panel 102 positioned on its upper part, a screw propulsion mechanism 103 equipped with a screw positioned on its lower part, and further comprising a positioning device s1 for acquiring location information and a timing unit s4 for acquiring timing information, It is equipped with a solar azimuth calculation unit C1 that calculates the sun's azimuth and elevation angle based on acquired location information and timing information. The solar panel 102 is installed at an angle to the float body 101. The above problem is solved by a paddy field weeding device 100 that controls the direction of travel so that the azimuth of the sun SN calculated by the solar azimuth calculation unit C1 and the elevation direction Fg of the solar panel 102 are facing the same direction during automatic driving.

The utility model belongs to the field of automation equipment, and provides integrated equipment integrating gluing and screw turning functions, which comprises a machine table, a material moving module, a gluing module, a receiving module and a tightening device, and is characterized in that the material moving module is movably arranged on the machine table and can drive a workpiece to be freely switched between a gluing position and a screw turning position of the machine table; the gluing module comprises a gluing piece used for adsorbing and releasing glue. Compared with the prior art, the gluing and screw turning integrated machine has the advantages that a plurality of modules are integrated on single equipment, seamless connection of two key procedures of gluing and screw turning is effectively achieved, the material moving module can accurately control switching of a workpiece between a gluing position and a screw turning position, and the work efficiency is improved. And by combining the alignment and fitting control of the bearing module on the assembly body, the high consistency of a gluing path and a subsequent screw mounting position is ensured, the time consumption of carrying and repositioning caused by traditional multi-station switching is avoided, and the overall production efficiency is remarkably improved.

The utility model relates to the technical field of vortex electric compressor assembly, in particular to an automatic screw feeding mechanism for vortex electric compressor assembly, which comprises a stock bin, a material pushing assembly, a direct vibration assembly, a material blowing assembly and an XYZ servo module, the material pushing assembly comprises a plurality of material pushing cylinders, a first push plate, a second push plate and a third push plate, the material bin is arranged on the direct vibration assembly, the multiple material pushing air cylinders are all arranged on the material bin, the first pushing plate, the second pushing plate and the third pushing plate are connected with the output ends of the corresponding material pushing air cylinders correspondingly, the material blowing assembly is connected with the XYZ servo module, and the material bin is provided with a first temporary storage position, a second temporary storage position, a third temporary storage position and a fourth temporary storage position. In this way, the problems that in the prior art, an automatic feeding mechanism for fixing the screw discharging position is poor in screw position adaptability, complex in model changing, long in time and low in efficiency are solved.

An extruder screw for a multi-screw extruder, having an intake and metering section. A rotor body has an enlarged diameter relative to the intake and metering section and has a plurality of satellite screws positioned on the outer periphery of the rotor body at least over part of the length thereof. A cone and an adjoining drive zone are formed between the intake and metering section and the rotor body, in which drive zone the satellite screws each engage via a drive pinion in an external toothing on the rotor body or in an internal toothing on a stator ring or in the inner wall of an extruder housing. At least one peripherally closed flow channel is formed, which flow channel extends from an inlet opening on the cone to an outlet opening located downstream of the drive pinions in the direction of flow.

Subject of the invention is a device (100) for the automated establishment of a threaded connection, comprising an articulated-arm robot (1) and a screwing unit (2), which can be rotated about an effector axis (wE) by a driven element (11) of an end link (12) of the articulated-arm robot (1). According to the invention, the screwing unit (2) has a housing (21), wherein a screwing tool (22) is movably accommodated in the housing (21) along the effector axis (wE) between a supply position and at least one screwing position, and a mouthpiece (23) for providing a screw (S) is arranged on the housing (21).

This utility model relates to the field of machining technology and discloses a multi-axis automatic screw removal machine with a multi-station rotary table. It includes a frame, a movable turntable rotatably connected to the top of the frame, and multiple product parts equidistantly engaged around the top of the turntable. Each of the product parts has multiple first screw positions on its inner top and multiple second screw positions on its outer top. Disassembly components are located on the rear and left sides of the top of the frame. The rear disassembly component is used to disassemble the first screw positions, and the left disassembly component is used to disassemble the second screw positions. In this utility model, the two disassembly components disassemble the screws at the first and second screw positions respectively, achieving efficient, accurate, and stable screw removal. Multi-station conveying and simultaneous operation of multiple components improve disassembly efficiency, enhancing the overall practicality and work quality of the machine.

The application aims to provide an adapter connection structure of a pulse coder, which is connected to an outer end mounting surface of a support, an inner end mounting surface of the support is fixedly connected with a motor, a transition shaft is coaxially connected to a tail end of a rotor shaft of the motor, a shaft sleeve is sleeved on a shaft section of the transition shaft which is suspended to a hole cavity of the pulse coder, the shaft sleeve is arranged with the same core as the suspended shaft section and forms a locking fit with axial displacement. In the above scheme, the transition shaft is used as a component connected with the motor rotor shaft and also cooperates with the hole cavity of the pulse coder, which needs to ensure the same core degree with the motor rotor shaft and meet the cooperation requirement with the hole cavity of the pulse coder. The transition shaft with the shaft sleeve can ensure the precision requirement of the above connection and cooperation, so even if the pulse coder is replaced due to failure, the shaft sleeve with the size precision of the hole cavity of the pulse coder can be accurately measured in advance, and then the shaft sleeve is adjusted and locked in the screwing position of the suspended shaft section.

The utility model relates to a cap screwing mechanism capable of being disassembled and replaced quickly. The cap screwing mechanism is used for solving the problems of sealing, efficiency and cap screwing head universality of a traditional cap screwing mode. The mechanism comprises a mounting base, a ball screw, a linear sliding rail, a cap screwing structure, a servo motor and the like. According to the cap screwing structure, the principle that silica gel is meshed with the appearance of a cap is utilized, and precise cap screwing and sealing are achieved through control of a servo motor. The cap screwing head has a quick-release quick-change self-locking function, and an inner hole of the silica gel contact block is conical and is in interference fit with the cap. During working, the dividing plate moves bottles to the cap screwing position, caps are screwed at the two stations at the same time, the bottle clamping air cylinder positions the bottles, the Z-axis servo motor controls the cap screwing assembly to descend, the cap screwing servo motor drives cap screwing, and the floating assembly guarantees the cap screwing quality. According to the mechanism, the cap screwing sealing effect, the production efficiency and the equipment maintenance convenience are improved, and the mechanism is suitable for cap screwing operation of various types of caps.

The utility model discloses a steam generating device of a pressure vessel type. The steam generating device is characterized in that a circle of single-end electric heating tubes vertically inserted into a steam generating tank are arranged at the thread screwing position on a lower tank cover; a cleaning frame is slidably mounted in the steam generation tank, the whole cleaning frame is jointly composed of a prism positioning shaft, a U-shaped handle frame welded to the top end of the prism positioning shaft and a circle of brush ring welded to the periphery of the circumference of the prism positioning shaft in a surrounding mode, and a steel wire brush of an annular structure is fixedly mounted in the brush ring; one circle of brush ring is correspondingly matched with one circle of single-end electric heating tube in a sliding and sleeving manner, and the steel wire brush is in frictional contact with the single-end electric heating tube; and the prism positioning shaft is in penetrating sliding fit with the central part of the upper tank cover. The U-shaped handle frame is arranged above the upper tank cover and arranged on the outer side of the steam generation tank, so that a worker can directly drive the cleaning frame on the outer side of the steam generation tank to complete cleaning of scale on the single-end electric heating pipe, and compared with the prior art, operation and use are convenient and fast.

The present application belongs to the technical field of automatic expansion and detection, and relates to a kind of nuclear fuel assembly screw automatic expansion and detection device, including mounting bracket, mobile positioning mechanism, expansion mechanism, expansion detection mechanism, vision system;Mobile positioning mechanism, expansion mechanism, expansion detection mechanism are connected with vision system, and position is positioned according to the screw position and angle information obtained by vision system;One side of mounting bracket is placed the pipe seat to be expanded, the other side is equipped with mobile positioning mechanism, expansion mechanism, expansion detection mechanism, vision system are fixed on mobile positioning mechanism, and are moved to the position corresponding with screw hole on pipe seat under the driving of mobile positioning mechanism, so as to carry out screw expansion and detection.The present application can automatically complete the expansion and detection between nuclear fuel assembly screw and pipe seat, the expansion and detection quality is stable, reduces the labor intensity of worker, improves work efficiency, has broad market value and application prospect.

The application discloses a kind of hydraulic expansion sleeve couplings and oil injection method of hydraulic expansion sleeve coupling, belong to hydraulic expansion sleeve coupling oil injection technical field.Oil injection method includes: the screw position of pressure regulating screw is adjusted to the deepest screw position corresponding to the maximum oil pressure of inner cavity;First standard tension and second standard tension are determined according to the deepest screw position and preset standard contrast curve;Hydraulic expansion sleeve coupling is injected by oil injection channel;The inner diameter tension and outer diameter tension of hydraulic expansion sleeve coupling are measured and recorded in real time during oil injection process;When inner diameter tension is equal to first standard tension and outer diameter tension is equal to second standard tension, oil injection is completed.The hydraulic expansion sleeve coupling that is completed by the above method guarantees that the required maximum torque can be provided, meets the maximum torque demand, without skid test, greatly reduces the labor cost, and also does not make product appear test wear condition, reduces the scrappage rate of product.

The screwdriver comprises a handle, an inner sleeve of a hollow structure is fixedly connected to the interior of the handle, a screw taking mechanism is arranged on the lower side of the inner sleeve, the screw taking mechanism is used for clamping and clamping a screw through state adjustment of an adjusting plate contained in the screw taking mechanism, and the screw taking mechanism is used for taking out the screw. The outer side of the inner sleeve is sleeved with an outer sleeve. According to the screwdriver with the separable head, after the upper portion of a screw is located on the upper surface of an auxiliary bottom plate, a user can press a positioning plate downwards to drive an outer sleeve to move downwards synchronously along the outer side wall of an inner sleeve, an abutting block is forced to drive an adjusting plate to overcome the elastic resistance of a flexible connecting piece, and then the adjusting plate is pushed to overturn inwards with the flexible connecting piece as a fulcrum; the four adjusting plates are arranged, so that gaps among the four adjusting plates are reduced, the clamping tightness of the screws is improved, it is guaranteed that the screws cannot slip in the screw taking-out process, and the stability and reliability in the screw taking-out process are guaranteed.

A device for automated production of screw connections includes an industrial robot with an output member rotatable about an effector axis (W) relative to an end member. A screwing unit is at least indirectly connected to the output member and rotatable by the output member about the effector axis (W). A screwing tool, a protective sleeve, and a preload spring are also included. The screwing tool is: accommodated at least in sections inside the protective sleeve; torque-proof connected with the protective sleeve; and axially displaceable along the effector axis (W) relative to the protective sleeve between a screwing position and a safety position. The screwing tool is biased in the screwing position by the preload spring.

The utility model discloses a plywood hot press forming machine which comprises a hot press main body, a hot press rack is installed above the hot press main body, a lower hot press plate is installed at the top end of the hot press main body, and an upper hot press plate is arranged above the lower hot press plate. The upper hot pressing plate is fixedly connected with the output end of a hydraulic cylinder at the top end of the hot press rack, a driving groove is formed in the edge position of the top end of the hot press body, a lead screw is installed in the driving groove, and a servo motor is installed on the outer wall of the hot press body at the position of the lead screw. And the output end of the servo motor is fixedly connected with the lead screw, the lead screw is sleeved with a movable block, a glue removing mechanism is arranged on one side of the movable block, and the glue removing mechanism comprises a glue removing base, a glue storage box and a glue scraping plate. By means of automatic glue scraping, overflowing glue on the four edges of the plywood can be quickly scraped, efficiency is high, and the cleaning effect is good.

The utility model belongs to injection molding part processing technical field especially is a kind of automatic nail embedding jig, including machine table, the installation plate is equipped in machine table below, adjustable movable seat is equipped in installation plate upper end, the movable seat upper end is fixed with pneumatic cylinder, the pneumatic cylinder upper output is fixed with clamping jaw, vertical fixed stand is fixed in installation plate bottom, the stand bottom is fixed with bottom plate, suction cup is installed on the bottom plate, the suction cup upper end is provided with gas nozzle interface, and positioning screw is fixedly arranged in machine table bottom;The utility model sets up the concentric distribution of the position of positioning screw position and nail embedding, realizes the accurate positioning of nail embedding position by the way of clamping positioning screw, then places screw in mould by manipulator, with the advantages of high degree of automation, efficiency and product consistency, and also can reduce artificial cost.

The application provides a missing screw position detection method and device based on a connected region, provides a processing plate provided with a plurality of screw positions; acquires a reference pattern set of all screw positions of the processing plate; constructs a verification pattern corresponding to each screw position; selects a target pattern corresponding to a currently detected screw position in the reference pattern set; and matches the verification pattern corresponding to the currently detected screw position with each target pattern based on a connected region of a current detection region and an adjacent detection region. The scheme can reduce detection cost and improve detection efficiency.