40 results about "Ball screw drive" patented technology

This utility model discloses an automatic electrolyte injection machine for soft-pack batteries, relating to the field of lithium battery manufacturing technology. It includes a frame, an injection mechanism, a flaring mechanism, a turntable mechanism, and a centering clamping mechanism. The injection mechanism drives the injection plate to rise and fall via a lifting module. The injection tube is equipped with an independent quantitative injection pump and a coaxial nitrogen injection pipe, achieving precise electrolyte injection and oxidation protection. The flaring mechanism uses a vacuum suction cup to adsorb the battery opening, and a ball screw drives the flaring plate to open and close laterally. The centering clamping mechanism uses an elastic buffer component and a pressure sensor to adaptively clamp the battery, avoiding damage to the aluminum-plastic film. The turntable mechanism is driven by a direct-drive motor to rotate the positioning turntable in increments, enabling continuous operation with multiple stations. This utility model integrates nitrogen protection, residual liquid adsorption, and flexible clamping functions, solving the problems of low efficiency, poor injection accuracy, and contamination risk of traditional equipment. It is suitable for mass production of high-consistency soft-pack batteries.

This utility model relates to a double-acting arc-extinguishing chamber based on ball screw transmission, including a housing, a moving contact and a stationary contact disposed within the housing, a ball screw rotatably disposed within the housing, a first fixed block fixedly connected to the moving contact, and a second fixed block fixedly connected to the stationary contact. One end of the ball screw is connected to a drive device. The ball screw has a first threaded section and a second threaded section with opposite directions of rotation. The first fixed block is threadedly connected to the first threaded section, and the second fixed block is threadedly connected to the second threaded section. A first guide rail is fixedly disposed on the housing, slidingly engaging with the first fixed block, and a second guide rail is slidably engaged with the second fixed block. This utility model, through ball screw transmission, converts rotational motion into linear motion of the first and second fixed blocks, realizing the opposite or opposite movements of the moving and stationary contacts, improving the closing and opening speeds of the arc-extinguishing chamber, shortening the breaking time, and effectively improving the breaking capacity of the circuit breaker.

The utility model discloses a full servo high -speed punch groove machine with tangential straight line chute punch -stamping structure, including punch press bottom plate, index seat and tablet seat, inside one end of punch press bottom plate is installed with bearing seat, and one end of bearing seat is installed with first servo motor, the output shaft of first servo motor is connected with ball screw drive, and ball screw is installed inside punch press bottom plate, the utility model discloses, when processing, drive ball screw to rotate through first servo motor, cooperate nut seat to drive index seat whole left and right translation, synchronously drive fixed silicon steel sheet on index shaft to translate, and then adjust the punch groove position of silicon steel sheet, and this design makes full use of the inside space of index seat and punch press bottom plate, does not need to adjust the thickness of workstation board, gives the maximum spacing between workstation board and punch head, and is convenient for mould replacement and robot silicon steel sheet taking and placing, and the workstation board of fixed installation helps to improve the punch groove precision.

This application involves a suspended ball screw vehicle box extension mechanism, including an extendable box, a load-bearing plate, a carrying box, a support frame, a modular guide assembly, and a ball screw drive assembly. The extendable box is set at the opening of the vehicle body, with corresponding carrying boxes below the relative side walls. The load-bearing plate is fixed on the carrying box, the modular guide assembly is fixed on one side to the support frame and on the other side to the load-bearing plate, and the ball screw drive assembly is fixed to the support frame and load-bearing plate. The carrying box has a long slot at the bottom, allowing it to slide along the lower end of the support frame. This application can achieve the extension and retraction of the vehicle body, increasing the usable space within the vehicle.

The application discloses a kind of laser measuring instruments for optical lens processing detection, it is related to laser measuring instrument technical field, including: base and control system, the control system is installed at the top of base, the base top is equipped with stand, the base is slidably installed in the front side of stand, built-in ball screw drive mechanism is between the base and stand, control system issues order, so that the built-in ball screw mechanism of base starts work and drives base to slide on the surface of stand, base drives stage to move, knob is arranged between the base and stage, by rotating ring is indirectly driven to rotate knob first, no matter rotating knob is adjusted stage to which direction, ring will drive push plate to exert a thrust on stage in advance with the same side of stage adjustment direction, reduce the influence of stage dead weight on internal gear and rack drive mechanism operation, reduce resistance and mechanical wear.

1. Name of the product in this design: Screw Moving Platform. 2. Purpose of this product design: To assist in the detection of workpieces at different positions by using an imported ball screw driven by a servo motor to move the worktable. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The application relates to a kind of based on linear structure light track's friction stir welding seam processing equipment and method, equipment includes: servo feed platform, including servo motor, ball screw driven by servo motor, the ball screw and the light pole on which sleeve is installed in heavy table, and the front baffle and rear baffle separately arranged in ball screw both ends;Three-dimensional profile detection component, fixedly installed on rear baffle;Shell, fixedly connected with heavy table;Milling component, fixedly connected with shell;Polishing component, connected with shell;The scanning direction of three-dimensional profile detection component is towards the front of milling component operating area;After being scanned and positioned by three-dimensional profile detection component, servo motor drives heavy table and shell feeding by ball screw, in turn by milling component rough machining, then by polishing component finishing processing.Compared with prior art, the application has intelligentization and self-adaptive high, while improving efficiency and quality, compact structure, high degree of automation and other advantages.

This utility model relates to the field of spraying equipment technology and discloses a multi-stage filtration spraying target powder recovery device, including a recovery platform, a recovery seat at the upper end of the recovery platform, a sorting platform at the upper end of the recovery seat, multiple sets of sorting ports evenly spaced at the upper end of the sorting platform, and corresponding multiple sets of collection ports at the lower end of the recovery seat located at the sorting ports. Powder is drawn into the connecting pipe by a fan and discharged into the sorting box. The powder passes through a first filter screen and enters the collection box. A second filter screen can intercept the powder, and the intercepted powder accumulates in the collection box for collection. A motor is started to drive a ball screw to rotate, and the ball screw drives a first connecting plate to slide along the outer wall of the ball screw. The first connecting plate drives the recovery seat to move, so that another set of sorting ports connects with the air outlet of the connecting pipe, which can classify and recover different types of powder.

This utility model relates to the field of aerospace science and technology, and discloses an aerospace ball screw drive actuator, including a fixed plate. An automatic lubrication adding mechanism is fixedly connected to the top of the fixed plate, and a quick-connect mechanism is also fixedly connected to the top of the fixed plate. A bearing is fixedly connected inside the quick-connect mechanism. The automatic lubrication adding mechanism includes multiple support blocks, the bottom of which is fixedly connected to the top of the fixed plate. Motors are fixedly connected inside two of the support blocks, and pistons are fixedly connected to the drive ends of the motors. A connecting pipe is fixedly connected inside the other support block, and a connecting tube is fixedly connected to the other end of the connecting pipe. In this utility model, the motor drives the piston to move within the connecting pipe. The pressure difference causes a sliding plug inside the fixed pipe to actuate, drawing lubricating oil from the oil reservoir. The connecting column and the limiting plate slide along the limiting groove to ensure stable stroke.

This disclosure provides a brake caliper module and an electromechanical brake. The brake caliper module (1) is used in an electromechanical brake (100), wherein the brake caliper module (1) includes a housing (11) and a transmission assembly extending axially beyond the housing (11) at least partially within the housing (11). The transmission assembly includes a sleeve (12) based on a ball screw drive. The outer peripheral surface of the sleeve (12) is formed with a flange (121), and the inner peripheral surface of the housing (11) has an axially extending groove (111). The brake caliper module (1) also includes a slider (13) sleeved on the flange (121), the flange (121) and the slider (13) engaging within the groove (111). This disclosure extends the lifespan of the housing and sleeve of the electromechanical brake in a cost-effective manner and ensures smooth movement of the sleeve.

The invention relates to a threaded spindle for a ball screw drive. The outer circumference of the threaded spindle is provided with a ball groove (1) which winds helically about the spindle axis at a pitch angle (a) over a plurality of windings, and a threaded spindle cutout (3), which is open towards the outer circumference, is equipped with a deflecting insert (4) for deflecting balls (5) from one end (E) of a common winding (6) to the start (A) of the common winding (6). The cutout (3) is delimited by side walls (16) which are formed parallel to the pitch angle (a) of the ball groove (1).

The utility model discloses a machine tool feeding mechanism in the field of machining equipment, including lathe body, feeding box and transfer block, the side of lathe body is provided with dog, the position of lathe body is located dog top and is connected with feeding box through bolt fixing, the inside of feeding box is provided with "<" shape's feeding slide, the bottom side of feeding slide is provided with the discharge gate, the side of feeding box is fixedly connected with the discharge electric push rod in the alignment of discharge gate, the backplate position of lathe body is connected with the lifting swallow -tail slide through bolt fixing, the slide of lifting swallow -tail slide is fixedly connected with the ball screw drive mechanism through bolt fixing, the slide of ball screw drive mechanism is fixedly connected with the support rod through bolt fixing, the middle position of support rod is connected with transfer block through bolt, the center of dog, discharge gate and transfer block three is located on the same vertical axis, the utility model discloses automatic feeding, and the step of worker feeding is omitted, and the degree of automation is high, and it is safe and reliable, and effectively improves processing efficiency.

An electric steering system for a motor vehicle is described, comprising a Y-shaped steering rod (2), a servo unit which displaces the steering rod (2) via a ball screw drive, a Y-shaped pressure piece (3) which presses against the steering rod (2), wherein a pressure piece foil (4) is arranged between the steering rod (2) and the pressure piece (3), which enables low-friction movement of the steering rod. At least two sensor modules (5) are arranged under the pressure piece foil (4) with which loads in the steering system can be detected, thereby enabling the determination of the total steering rod force.

The application discloses an elevator car active damping device, which comprises a horizontal moving assembly, a lifting linkage assembly and at least one set of contact elements. The horizontal moving assembly is provided with a motor-driven ball screw driving unit and is installed between two pulley assemblies. The slider on the motor-driven ball screw moves along the screw shaft. The lifting linkage assembly comprises an upper connecting platform, at least one set of cross linkages, a lower bearing platform and a motor-driven ball screw driving unit. The upper connecting platform is fixedly connected with the slider of the horizontal moving assembly. One end of the cross linkage is fixedly connected with the upper connecting platform through a hinge pin to form a fixed hinge, and the other end of the cross linkage is connected with the lower bearing platform to form a sliding hinge. The hinge pin of the cross linkage is fixed to the ball screw slider. The motor drives the slider to drive the cross linkage to rotate relatively. The contact element is a rotatable pulley, and the rotating shaft of the pulley is fixedly connected with the lower bearing platform. The lifting linkage assembly receives abnormal vibration information of the elevator, drives the contact element to move vertically and contact or abut against the suspension device.

The utility model relates to pipeline cleaning technical field, concretely is a steel pipe cleaning device for machining, including base, the front surface right side fixed mounting of base has the motor, and motor fixed mounting has the belt pulley on, the outside of belt pulley is sleeved with the belt, the inside left and right ends of base all are connected with ball screw, and the front and back two ends of ball screw all are sleeved with ball nut, the upper end fixed connection of ball nut has the limit stop, the upper end connection of base has the water storage frame, the back left and right ends of water storage frame all are fixedly connected with the connecting pipe, and the inner wall fixed mounting of water storage frame has the shower nozzle, can open the motor, and the motor drives the belt pulley to rotate through the rotating shaft, and the belt pulley rotates through the ball screw, and the ball screw drives the limit stop to move through the ball nut simultaneously, makes two sets of limit stop opposite movement, can place the steel pipe in the side of two sets of limit stop mutual approach, and the steel pipe is clamped and fixed through the limit stop.

The utility model discloses a steel bar block body anti -swing limiting device for automatic production line, include: fixed support, lift cylinder device, limiting baffle and control system, lift cylinder device installs on the base body of existing production line to drive fixed support to move up and down, two groups of limiting baffles are opposite to install on fixed support through ball screw drive mechanism respectively, limiting baffle is arranged to its working face face to steel bar block body side wall, control system is connected and controls lift cylinder device, the utility model discloses effectively ensure that steel bar block body makes forming quality, is favorable to the weld point position identification of block body stirrup closed lap welding, effectively guarantees that steel bar block body is smoothly processed on automatic production line and completes.

This invention discloses an electromechanical braking device, including a caliper assembly and a gearbox assembly connected along a first direction. The gearbox assembly drives the caliper assembly for braking. The caliper assembly includes: a ball screw, comprising a threaded section and a rod section, one end of which has an internal spline; a thrust bearing sleeved on the outer periphery of the rod section; a washer sleeved on the outer periphery of the rod section; a ball nut sleeved on the outer periphery of the threaded section, the thrust bearing, and the washer, the length of the threaded section along the first direction being less than the length of the ball nut; and a braking part located at the end of the ball nut away from the rod section. Rotation of the ball screw drives the ball nut to move along the first direction, thereby pushing the braking part to move along the first direction for braking. The gearbox assembly includes: a gearbox; a motor installed inside the gearbox; and a gear transmission mechanism installed inside the gearbox and connected to the motor for outputting the driving force for driving the caliper assembly. This invention also discloses a vehicle.

This invention provides a V-shaped self-centering visual testing instrument for small-module spur gears. The instrument includes a work platform, an electrically controlled translation stage, a center positioning measurement worktable, a high-precision rotary indexing plate, a measuring platform, and a V-shaped self-centering clamping mechanism. A stepper motor controls the gear transmission mechanism, which drives the forward and reverse toothed ball screws to rotate. These ball screws drive two sliders in a relative linear reciprocating motion. The two sliders are connected to a V-shaped clamp, which clamps the outer surface of the internal gear being tested by using the forward rotation to cause the ball screws to move relative to each other. When the V-shaped clamp moves counterclockwise, it releases the outer surface of the internal gear being tested, thus realizing the clamping and releasing of the V-shaped clamp. This invention, through the cooperation of the V-shaped self-centering clamping mechanism and the high-precision rotary indexing plate, achieves automatic, rapid, and accurate center positioning of the gear being tested, tooth-by-tooth imaging, and good system illumination.

This invention belongs to the field of mechanical equipment technology, specifically disclosing a plate processing device for preparing pressure-bearing heads. It includes two supports, a worktable, and an electric saw. A Y-axis ball screw drive device is fixedly installed above each of the two supports. An X-axis ball screw drive device is shared above the two Y-axis ball screw drive devices. A slide block is laterally driven outside the X-axis ball screw drive device. A sawing mechanism is installed outside the slide block. Two sets of plate-stabilizing and pressing mechanisms are connected to both ends of the worktable via bidirectional drive mechanisms. Each set of plate-stabilizing and pressing mechanisms includes a slide frame slidably installed outside one side of the worktable. One end of each of the two bidirectional drive mechanisms on the same side is connected to the outer wall of one side of the slide frame. This invention achieves dynamic, multi-point, and multi-dimensional stable fixation of large-size thin plates throughout the sawing process, significantly improving the processing stability of pressure-bearing head blanks.

This invention discloses a twelve-degree-of-freedom windshield displacement test bench, belonging to the technical field of windshield displacement test benches. It includes two symmetrically arranged motion assemblies spaced apart. Each motion assembly comprises a base, a lateral motion platform, a longitudinal motion platform, a roll motion platform, a pitch motion platform, a yaw motion platform, and a lifting motion platform. A gap exists between the lifting motion platforms of the two motion assemblies to accommodate the windshield. Each unilateral motion assembly has six degrees of freedom, and the bilateral motion assemblies form twelve degrees of freedom. This simulates the relative positional relationship of the two carriages, more closely matching the actual positional state, making the windshield's working state more consistent with the complex loads and positional changes experienced during actual operation, thus ensuring the authenticity and accuracy of the test data. Furthermore, the lateral motion platform, longitudinal motion platform, and lifting motion platform all utilize electric cylinders for movement. Compared to ball screw drive mechanisms, electric cylinders offer better protection and do not require additional protective sleeves.

A numerical machine tool module having a rectangular mounting plate (1) comprises at least four mounting holes, wherein on two shorter sides the mounting plate (1) is terminated with vertical walls (3) protruding beyond the cross-section of the mounting plate (1), and furthermore between the vertical walls (3), above the mounting plate (1), a linear guide (4) with a ball screw drive (5) is mounted, wherein the screw (5) of the linear guide (4) is connected to a first electric motor (6). The modular numerical machine tool comprises at least three machine tool modules.

The application provides an impact-resistant damper. The impact-resistant damper comprises an eddy current damping unit and a buffer damping unit. The eddy current damping unit comprises a ball screw drivingly connected with a controlled structure and a fixed outer sleeve arranged outside the ball screw. The buffer damping unit comprises a resilient stiffness member arranged close to a driving connection end of the ball screw. One end of the resilient stiffness member is sleeved outside a screw rod of the ball screw, and the other end of the resilient stiffness member is connected with the outer sleeve. When the controlled structure reaches a preset displacement value or a preset impact value, one end of the resilient stiffness member is deformed to start the buffer damping unit. The application has the advantages of guaranteeing the vibration reduction and impact resistance effect of the controlled structure under large displacement and impact, compact structure and the like.

The utility model relates to air floatation platform technical field especially relates to a kind of flexible suspension ball screw drive air floatation platform. Its main aim at air floatation guide rail because air film damping is small stable control difficult, repeat positioning accuracy is insufficient in high-end application, ball screw stability is good but there is the problem that precision and speed are inversely proportional and straightness is far lower than air floatation guide rail, propose following technical scheme: including base;Slidingly set in the moving platform of the base top, the moving platform bottom is fixedly connected with two groups of symmetrically arranged guide block, the guide block is L-shaped arrangement and with base sliding fit;Drive mechanism is installed in the base, the drive mechanism is used to drive moving platform to carry out linear motion and facilitate stable control and repeat positioning.The utility model effectively improves platform positioning accuracy, guarantees motion stability, satisfies the demand of high-precision, high stability and fast movement of equipment in high-end application scene.

The invention relates to an electric steering system for a motor vehicle, comprising a steering housing (1), a steering rod (2), a ball screw drive (KGT), wherein the steering rod (2) is guided in the steering housing (1) and can be moved by the ball screw drive. The ball screw drive comprises a ball screw drive bearing (3) arranged in the steering housing (1), with axially arranged spacer disks (4, 17), one on each side of the ball screw drive bearing (3). At least one measuring device (7, 13) is arranged axially between the ball screw drive bearing (3) and the steering housing (1), the measuring device (7, 13) being used to determine a steering rod force.

The invention relates to a ball screw drive, a screw nut and a method for manufacturing a screw nut, in particular to a method for manufacturing a metal screw nut for a ball screw drive, comprising the following steps: providing a substantially cylindrical metal workpiece having a first end face and a second end face and a peripheral face; modifying the workpiece by pressing an axis-symmetrical central bore and by simultaneously pressing at least a first channel and a second channel in axis-parallel orientation in the peripheral face of the workpiece, wherein the central bore and the channels are open towards the first end face; introducing an internal thread into the central bore; forming the channels into transition channels for accommodating a diverting insert by introducing at least two radially extending through-holes into at least the first channel. The invention further relates to a screw nut manufactured with the method and to a ball screw drive having such a screw nut.

The utility model discloses a kind of smelting furnaces for processing electrically fused corundum, and the utility model is formed by the symmetrical arc-shaped abutment plate structure of bidirectional ball screw drive, and the double-point stress dispersion support of discharge conical tube root of smelting furnace body is formed, stress concentration can be effectively inhibited in the process of smelting furnace body pouring, equipment deformation is avoided, electric telescopic plate A and electric telescopic plate B cooperate rectangular slide rail and can form L-shaped horizontal and vertical bidirectional adjusting structure, further adjust the position of bidirectional ball screw in horizontal and vertical bidirectional, two screw nuts are driven to move by bidirectional ball screw drive, drive arc-shaped abutment plate tightly hold discharge conical tube root, avoid stress concentration point, help to improve the fatigue life of key support point, stable support smelting furnace pours and operates, satisfy industrialization capacity demand.

The invention discloses a novel SMIF lead screw transmission system which comprises a shell of a groove structure. The movement part comprises a first movement assembly and a second movement assembly, the first movement assembly is arranged on the upper portion of the shell and fixed to a bottom plate of the shell, and the second movement assembly is arranged on the lower portion of the first movement assembly and fixed to a bottom plate of the shell; the second movement assembly is driven by the first movement assembly to do up-down linear movement along the inner wall of the shell, and the first movement assembly is driven by a servo motor; and the SMIF lead screw adopts a ball screw and is arranged between the first movement assembly and the second movement assembly, and the first movement assembly drives the second movement assembly to convey wafers through the ball screw. The high-precision ball screw is adopted to replace a traditional penetrating screw, the ball screw is in rolling friction through line contact, higher bearing capacity and impact resistance are achieved, and load stress is effectively dispersed.

Ball screw drive with adjustable preload, with a double nut consisting of two separate nut parts 6a and 6b, wherein the distance A between the two nut parts 6a, 6b defines the preload V(A) of the double nut, characterized in that the two nut parts 6a, 6b are connected to each other via an axial fixing element and the nut parts 6a, 6b each have claws Ka, Kb at their ends which interlock similarly to a claw coupling, wherein a rotation of the two nut parts 6a, 6b relative to each other is possible, since the claws Ka, Kb do not interlock positively and that a radial adjustment device is provided, which consists of the claws Ka, Kb and several force elements Ki, which act on the claws in such a way that a torque can be generated which generates a preload.

The utility model discloses a pressure screen hoisting device welding tool relates to pressure screen technical field, aims at solving the problem of welding deformation and size deviation, adopts the technical scheme, including the chassis, sleeve connecting tray and derrick connecting tray, is equipped with the slide rail on the chassis, and sleeve connecting tray and derrick connecting tray all are through the sliding block sliding connection on the slide rail, the ball screw is also rotationally connected on the chassis, and the ball screw is equipped with the adjusting hand wheel in one end, and the ball screw drives sleeve connecting tray and derrick connecting tray to move to each other or to move away, and sleeve connecting tray and derrick connecting tray are equipped with sleeve tool and derrick tool respectively, and sleeve tool and derrick tool are used for the spacing of hoisting device processing, and the sleeve tool and derrick tool of modularization design can match the pressure screen hoisting device of different specifications, thereby realizing the serialization of pressure screen hoisting device welding tool.