CN114962575A - Ball screw pair with self-lubricating effect - Google Patents
Ball screw pair with self-lubricating effect Download PDFInfo
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- CN114962575A CN114962575A CN202210420850.1A CN202210420850A CN114962575A CN 114962575 A CN114962575 A CN 114962575A CN 202210420850 A CN202210420850 A CN 202210420850A CN 114962575 A CN114962575 A CN 114962575A
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- screw
- ball
- screw body
- oil
- lead screw
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- 230000000694 effects Effects 0.000 title claims abstract description 29
- 239000003921 oil Substances 0.000 claims abstract description 83
- 238000004140 cleaning Methods 0.000 claims abstract description 47
- 238000003860 storage Methods 0.000 claims abstract description 42
- 239000010687 lubricating oil Substances 0.000 claims abstract description 28
- 238000009434 installation Methods 0.000 claims abstract description 20
- 230000000149 penetrating effect Effects 0.000 claims abstract description 19
- 230000002829 reductive effect Effects 0.000 claims abstract description 15
- 238000005299 abrasion Methods 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims description 56
- 239000000428 dust Substances 0.000 claims description 19
- 238000005096 rolling process Methods 0.000 claims description 15
- 230000033001 locomotion Effects 0.000 claims description 11
- 238000003825 pressing Methods 0.000 claims description 7
- 238000013016 damping Methods 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 5
- 230000035939 shock Effects 0.000 claims description 5
- 238000010521 absorption reaction Methods 0.000 claims description 2
- 230000035515 penetration Effects 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 description 8
- 239000002184 metal Substances 0.000 description 6
- 230000002411 adverse Effects 0.000 description 4
- 230000000670 limiting effect Effects 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H25/22—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members
- F16H25/2204—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members with balls
- F16H25/2214—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members with balls with elements for guiding the circulating balls
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- B08B1/30—
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H25/22—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members
- F16H25/2204—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members with balls
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0412—Cooling or heating; Control of temperature
- F16H57/0415—Air cooling or ventilation; Heat exchangers; Thermal insulations
- F16H57/0416—Air cooling or ventilation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The invention discloses a ball screw pair with a self-lubricating effect, which comprises an installation base, an installation frame and a screw body, wherein the installation frame is installed at the top of a moving block, a supporting seat is installed inside the installation frame, a bearing sleeve is installed on the inner side of a fixed cylinder, the screw body is installed at the center of the bearing sleeve in a penetrating mode, a screw nut is sleeved on the outer side of the screw body, an oil storage cavity is formed in the top of the screw nut, and a cleaning sleeve is installed on one side of the screw nut through a bolt. According to the invention, the oil storage cavity is formed in the top of the screw nut, the reset spring enables the locking pin to be clamped inside the locking hole due to the elasticity of the reset spring when the oil cavity cover and the oil storage cavity are clamped after lubricating oil is added in the oil storage cavity, so that the oil storage cavity is sealed by the oil cavity cover, the lubricating oil in the oil storage cavity flows out through the oil penetration hole to lubricate the outer surface of the screw body and the screw ball, and the abrasion among the screw ball, the screw body and the screw nut is reduced.
Description
Technical Field
The invention relates to the technical field of ball screw pairs, in particular to a ball screw pair with a self-lubricating effect.
Background
The ball screw pair is also called as a ball screw pair, and is a transmission device which is formed by matching a screw and a nut and has the highest precision and is the most common transmission device in transmission machinery.
The ball screw pair in the prior art has the following defects:
1. patent document CN212509399U discloses a ball screw pair structure using a lubricating oil tank, "including a mounting base and a ball screw pair, and further including a lubricating oil tank, where the ball screw pair includes a screw fixed on the mounting base and a nut disposed on the screw and capable of sliding along the screw, the screw is further provided with a lubricating oil tank capable of sliding on the screw body, the lubricating oil tank is fixed at the end of the nut, and the lubricating oil tank is internally provided with a felt for transferring lubricating oil to the screw, the design adopts a self-lubricating oil tank with better sealing performance, the lubricating oil in the oil tank contacts with the screw through the felt, when in use, the nut and the screw produce relative displacement, the lubricating oil can lubricate the screw through the felt, the friction resistance of the displacement is reduced, the service life of the ball screw pair is prolonged, and the ball screw pair can be used for a long time after being filled once, the frequency of filling is reduced, and the production efficiency is improved. The ball screw pair is easy to cause the screw to be eccentric when rotating when in use, reduces the transmission efficiency of the ball screw and has lower safety performance.
2. Patent document CN209925584U discloses an automatic lubricant adding device for a ball screw pair, which comprises a ball screw pair, a hydraulic device and a ratchet mechanism, wherein the ball screw pair is arranged on the right side of the hydraulic device; the hydraulic device comprises a vertically arranged oil cylinder body, a pushing rod is arranged in the oil cylinder body, and a pushing piston is arranged at the top end part of the oil cylinder body; the top of the oil cylinder body is also provided with an oil nozzle, and the bottom of the oil cylinder body is provided with a through hole for penetrating through the pushing and pressing rod; the ratchet mechanism comprises a ratchet wheel and a ratchet mechanism swing rod matched with the ratchet wheel, and the ratchet wheel is fixedly connected with the tail end part of the pushing rod; the ball screw pair is provided with an oil filling port and is connected with an oil nozzle through a connecting pipe. This automatic device that adds of vice lubricating oil of ball is fixed ratchet and bulldozes the pole, realizes that ball vice in the reciprocating motion in-process, realizes once adding lubricating oil to ball vice in each operating cycle, and the addition of lubricating oil and ball's work load phase-match realize the periodic automatic lubrication to ball vice. "this ball screw is vice to the lubricated operation of lead screw comparatively complicated when using, has increased the vice whole volume of lead screw, and practicality is lower.
3. The patent document CN209725138U discloses a ball screw assembly with an internal circulation structure, which comprises a ball screw assembly main body, wherein the ball screw assembly main body comprises a screw, a nut and balls, the screw is in threaded connection with the nut, a plurality of waist-shaped reversers are installed inside the nut, a plurality of balls are fixedly arranged inside the nut, a nut cover is fixedly connected to one side of the nut, one end of the screw is fixedly connected with a bearing cover, one end of the bearing cover is connected with a deep groove ball bearing, one end of the deep groove ball bearing is fixedly connected with an installation joint, and one end of the screw is movably connected with an angular contact bearing. The transmission of the main body of the ball screw pair is prevented from being influenced by errors. "this ball screw is vice sealed the effect relatively poor, can not effectually block the impurity in the external environment, easily causes adverse effect to the performance of ball, has shortened the vice life of screw.
4. Patent document CN207777556U discloses a ball screw assembly, "including a nut, a retainer, a screw, and balls, the screw is inserted into the nut, the retainer is disposed between the nut and the screw, a plurality of through holes are provided on the retainer, the balls are placed in the through holes and can roll in a raceway formed by the nut and the screw, the ball screw assembly further includes: and the limiting units are arranged at two ends of the nut in the axial direction and used for limiting the retainer between the two ends of the nut in the axial direction. The ball screw pair can perform reversible transmission, has higher positioning precision and repeated positioning precision, is simpler and more convenient to process and assemble, can perform batch automatic production, and is suitable for industrial application. "this ball screw pair can not clear up the adsorbed metal piece in screw rotation in-process surface, has reduced the good performance of nut, can't satisfy the user demand.
Disclosure of Invention
The present invention is directed to a ball screw assembly with self-lubricating effect, so as to solve the problems mentioned in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a ball screw pair with a self-lubricating effect comprises an installation base, an installation frame and a screw body, wherein the top of the installation base is symmetrically provided with adjusting grooves, threaded rods are installed on the inner sides of the adjusting grooves, moving blocks are sleeved on the outer sides of the threaded rods, and the installation frame is installed on the tops of the moving blocks;
a supporting seat is installed inside the mounting frame, a fixed cylinder is installed in the center of the supporting seat, and a bearing sleeve is installed on the inner side of the fixed cylinder;
the center of the bearing sleeve is provided with a lead screw body in a penetrating way, and the outer side of the lead screw body is sleeved with a lead screw nut;
an oil storage cavity is formed in the top of the screw nut, a cleaning sleeve is mounted on one side of the screw nut through a bolt, a cleaning rod is mounted on the inner side of the cleaning sleeve, and a cleaning plate is mounted at the inner end of the cleaning rod.
Preferably, a moving groove is formed in the inner side of the adjusting groove, an adjusting hand wheel is installed on the outer side of the installation base, the output end of the adjusting hand wheel penetrates through the outer side of the installation base and is connected with the input end of the threaded rod, connecting blocks are installed on the front side and the back side of the moving block, and the connecting blocks are installed on the inner side of the moving groove in an embedded mode.
Preferably, a sliding groove is formed in the inner wall of the mounting frame, a spring mounting seat is installed on the inner side of the top of the mounting frame, a buffer spring is installed at the bottom of the spring mounting seat, a spring connecting seat is installed at the bottom end of the buffer spring, and the bottom of the spring connecting seat is connected with the top of the supporting seat.
Preferably, the front and back of the support seat are provided with sliding blocks, and the sliding blocks are embedded and installed on the inner side of the sliding groove.
Preferably, an inner sliding groove is formed in the inner side of the bearing sleeve, a first sealing ring is mounted on the inner side of the inner sliding groove, a connecting ring is mounted on the outer side of the first sealing ring, a retainer is mounted on the inner side of the bearing sleeve, a pocket is formed in the outer side of the retainer in a penetrating mode, a bearing ball is mounted on the inner side of the pocket, the outer side of the bearing ball is in rolling connection with the inner side of the inner sliding groove, a bearing inner ring is mounted on the inner side of the retainer, the outer side of the bearing inner ring is in rolling connection with the inner side of the bearing ball, a stop ring is sleeved on the outer side of the screw rod body and matched with the bearing sleeve, and a sliding ball is mounted on the inner side of the stop ring in an embedded mode.
Preferably, the dust ring is sleeved on the outer side of the screw body and matched with the supporting seat, a first sealing gasket is installed on one side, close to the bearing sleeve, of the dust ring, a cavity is formed in the outer side of the screw body in a penetrating mode, the damping block is installed in the inner side of the cavity in an embedded mode, a screw ball is movably installed on the outer wall of the screw body, and the outer side of the screw ball is connected with the inner side of the screw nut in a rolling mode.
Preferably, the mounting hole is installed in the outside of screw nut in a penetrating manner, the circulator is installed on the inner side of screw nut, a sealing gasket II is installed on the inner side of screw nut, a sealing ring II is installed on the inner side of screw nut, the sealing ring II is located on the outer side of the sealing gasket II, a sealing cover plate is installed on one side, close to the cleaning sleeve, of the screw nut, a fixing ring is installed at the top of the screw nut, and the locking hole is formed in the outer side of the fixing ring in a penetrating manner.
Preferably, the bottom in oil storage chamber runs through and has seted up the oilhole, and the oil chamber lid is installed at the top in oil storage chamber, and the spout has been seted up in the outside of oil chamber lid, and the slide is installed to the inboard gomphosis of spout, installs reset spring on the inner wall of spout, and reset spring's outer end is connected with the inboard of slide, and the fitting pin is installed in the outside of slide, and the fitting pin gomphosis is installed in the inboard in locking hole.
Preferably, the central position of the outer side of the cleaning sleeve is provided with a vent hole in a penetrating way, and the inner side of the cleaning plate is provided with a cleaning head.
Preferably, the operation steps of the ball screw assembly are as follows:
s1, firstly, a user adjusts the distance between the two mounting frames according to the size of the lead screw body, the adjusting hand wheel is rotated to drive the threaded rod to rotate, the threaded rod rotates to enable the moving block to move in the horizontal direction on the inner side of the adjusting groove, and the moving block drives the connecting block to slide on the inner side of the moving groove to ensure the stability of the moving block during moving, so that the lead screw body is mounted;
s2, adding lubricating oil in the oil storage cavity, pressing the locking pin, pressing the sliding plate by the locking pin to move on the inner side of the sliding groove to extrude the reset spring, so that the locking pin is positioned in the sliding groove, and when the oil cavity cover is clamped with the oil storage cavity, the reset spring clamps the locking pin on the inner side of the locking hole due to the elasticity of the reset spring, so that the oil cavity cover is sealed with the oil storage cavity;
s3, when the screw body rotates under the action of the driving piece, the bearing sleeve increases the stress area when the screw body rotates, the bearing inner ring and the bearing ball perform rolling friction motion, the rotation resistance is reduced, the stop ring limits the bearing sleeve, the bearing sleeve is prevented from swinging when in use, the stability when the screw body rotates is ensured, the stress of the screw body is more uniform when the screw body rotates, the dust ring seals the supporting seat, the external dust is blocked, the rotating smoothness of the sliding balls is guaranteed, the supporting seat can shake up and down due to vibration generated by rotation of the screw rod body, the supporting seat can be supported up and down by the buffer springs at the upper end and the lower end of the supporting seat, vibration generated during operation can be buffered by the buffer springs, the sliding block is driven by the supporting seat to move on the inner side of the sliding groove, so that the supporting seat can further absorb vibration, and the transverse vibration of the screw rod body is controlled by the damping block inside the cavity;
s4, the screw nut moves in the horizontal direction under the rotation of the screw body, lubricating oil in the oil storage cavity flows out through the oil seepage hole to lubricate the outer surface of the screw body and the screw ball, abrasion between the screw ball and the screw body and between the screw nut is reduced, impurities in the guide groove of the screw body are cleaned by the cleaning head under the driving of the screw nut, and the screw nut is guaranteed to be stable when moving.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the lead screw body is installed in the center of the bearing sleeve in a penetrating manner, the bearing sleeve increases the stressed area of the lead screw body when the lead screw body rotates under the action of the driving piece, the bearing inner ring and the bearing ball perform rolling friction motion, the rotation resistance is reduced, the stop ring limits the bearing sleeve, the bearing sleeve is prevented from swinging when in use, the stability of the lead screw body when in rotation is ensured, the lead screw body is more uniformly stressed when in rotation, the dust ring seals the supporting seat, external dust is blocked, the smooth rotation of the sliding ball is ensured, the eccentric phenomenon of the lead screw body when in rotation is prevented, and the use effect of the ball screw pair is improved.
2. According to the invention, the oil storage cavity is formed in the top of the lead screw nut, lubricating oil is added in the oil storage cavity, the locking pin is pressed, the locking pin presses the sliding plate to move on the inner side of the sliding groove to extrude the return spring, so that the locking pin is positioned in the sliding groove, when the oil cavity cover is clamped with the oil storage cavity, the return spring enables the locking pin to be clamped on the inner side of the locking hole due to the self elasticity, the oil cavity cover is sealed against the oil storage cavity, the lead screw nut moves in the horizontal direction under the rotation of the lead screw body, the lubricating oil in the oil storage cavity flows out through the oil seepage hole to lubricate the outer surface of the lead screw body and the lead screw balls, the abrasion among the lead screw balls, the lead screw body and the lead screw nut is reduced, and the service life of the lead screw body is prolonged.
3. According to the screw nut cleaning device, the sealing cover plate is arranged on one side, close to the cleaning sleeve, of the screw nut, the bolt penetrates through the inner side of the mounting hole to realize the fastening connection between the screw nut and the cleaning sleeve, the sealing gasket II and the sealing ring seal the joint of the screw body and the screw nut, so that the leakage of lubricating oil is prevented, the sealing cover plate fixes the sealing gasket II and the sealing ring II and further improves the sealing effect, metal debris and dust are effectively prevented from entering the interior of the screw nut to cause adverse effects on the service performance of the screw ball and the screw nut, and the practical performance is enhanced.
4. According to the screw rod body cleaning device, the cleaning head is arranged on the inner side of the cleaning plate, the air holes ensure normal heat dissipation of the screw rod nut, the cleaning head is driven by the screw rod nut to clean metal fragments and adsorbed dust in the guide groove of the screw rod body, the cleaning head reduces abrasion caused by contact between the cleaning plate and the inner side of the guide groove, the stability of the screw rod nut during movement is ensured, the transmission efficiency is improved, and the use requirement is met.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a front internal view of the regulating tank of the present invention;
FIG. 3 is a schematic side view of the support base according to the present invention;
FIG. 4 is a schematic perspective view of the supporting base of the present invention;
FIG. 5 is a schematic view of a three-dimensional split structure of the bearing housing of the present invention;
FIG. 6 is a front internal view of the screw body according to the present invention;
FIG. 7 is an enlarged view of the structure at the point A of the present invention;
fig. 8 is a schematic view of the internal structure of the oil chamber cover of the present invention.
In the figure: 1. installing a base; 101. an adjustment groove; 102. a moving groove; 103. a threaded rod; 104. adjusting a hand wheel; 105. a moving block; 106. connecting blocks; 2. a mounting frame; 201. a sliding groove; 202. a spring mount; 203. a buffer spring; 204. a spring connecting seat; 3. a supporting seat; 301. a fixed cylinder; 302. a slider; 4. a bearing housing; 401. an inner chute; 402. a first sealing ring; 403. a connecting ring; 404. a cage; 405. a pocket hole; 406. a bearing inner race; 407. a bearing ball; 408. a snap ring; 409. a sliding bead; 5. a lead screw body; 501. a dust ring; 502. a first sealing gasket; 503. a cavity; 504. a damper block; 505. a lead screw ball; 6. a lead screw nut; 601. mounting holes; 602. a circulator; 603. a second sealing gasket; 604. a second sealing ring; 605. sealing the cover plate; 606. a fixing ring; 607. a locking hole; 7. an oil storage chamber; 701. an oil-bleeding hole; 702. an oil chamber cover; 703. a chute; 704. a slide plate; 705. a return spring; 706. a locking pin; 8. cleaning the sleeve; 801. air holes are formed; 802. a cleaning rod; 803. cleaning the plate; 804. A cleaning head.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be a fixed connection or a movable connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1, fig. 2 and fig. 3, an embodiment of the present invention: a ball screw pair with self-lubricating effect;
the adjustable screw rod comprises an installation base 1, an adjusting hand wheel 104 and an installation frame 2, wherein the top of the installation base 1 is symmetrically provided with adjusting grooves 101, the inner sides of the adjusting grooves 101 are provided with moving grooves 102, the inner sides of the adjusting grooves 101 are provided with threaded rods 103, the outer sides of the installation base 1 are provided with the adjusting hand wheel 104, the output end of the adjusting hand wheel 104 penetrates through the outer sides of the installation base 1 to be connected with the input end of the threaded rods 103, the outer sides of the threaded rods 103 are sleeved with moving blocks 105, the front and back surfaces of the moving blocks 105 are provided with connecting blocks 106, and the connecting blocks 106 are embedded and installed on the inner sides of the moving grooves 102, firstly, a user adjusts the distance between two sets of the installation frame 2 according to the size of a screw rod body 5, rotates the adjusting hand wheel 104 to drive the threaded rods 103 to rotate, the threaded rods 103 rotate to enable the moving blocks 105 to move in the horizontal direction on the inner sides of the adjusting grooves 101, the moving blocks 105 drive the connecting blocks 106 to slide on the inner sides of the moving grooves 102 to ensure the moving blocks 105 to be stable when moving, the realization is to the installation of lead screw body 5, mounting bracket 2 is installed at the top of movable block 105, sliding tray 201 has been seted up on the inner wall of mounting bracket 2, spring mount 202 is installed to the top inboard of mounting bracket 2, buffer spring 203 is installed to the bottom of spring mount 202, spring connecting seat 204 is installed to buffer spring 203's bottom, and spring connecting seat 204's bottom is connected with the top of supporting seat 3, mounting bracket 2 has guaranteed the stability when lead screw body 5 rotates, lead screw body 5 rotates the vibrations that produces and can rock supporting seat 3 from top to bottom, the buffer spring 203 of supporting seat 3 upper end and lower extreme can be shored supporting seat 3 from top to bottom, the vibrations that produce during the operation can cushion through buffer spring 203, supporting seat 3 drives sliding block 302 and makes supporting seat 3 further shock attenuation in the inboard removal of sliding tray 201.
Referring to fig. 3, 4 and 5, a ball screw assembly with self-lubricating effect;
the screw rod comprises a supporting seat 3, a bearing sleeve 4 and a stop ring 408, the supporting seat 3 is installed inside an installation frame 2, a fixed barrel 301 is installed at the center position of the supporting seat 3, sliding blocks 302 are installed on the front surface and the back surface of the supporting seat 3, the sliding blocks 302 are installed on the inner side of a sliding groove 201 in an embedded mode, the bearing sleeve 4 is installed on the inner side of the fixed barrel 301, an inner sliding groove 401 is formed in the inner side of the bearing sleeve 4, a first sealing ring 402 is installed on the inner side of the inner sliding groove 401, a connecting ring 403 is installed on the outer side of the first sealing ring 402, a retainer 404 is installed on the inner side of the bearing sleeve 4, a pocket 405 penetrates through the outer side of the retainer 404, a bearing ball 407 is installed on the inner side of the pocket 405, the outer side of the bearing ball 407 is in rolling connection with the inner side of the inner sliding groove 401, a bearing inner ring 406 is installed on the inner side of the retainer 404, the outer side of the bearing inner ring 406 is in rolling connection with the inner side of the bearing ball 407, the stop ring 408 is sleeved on the outer side of the screw rod body 5, the stop ring 408 is matched with the bearing sleeve 4, the sliding balls 409 are embedded and installed on the inner side of the stop ring 408, the sealing performance of the bearing sleeve 4 is improved by the sealing ring I402, the connecting ring 403 enables the sealing ring I402 and the bearing sleeve 4 to be installed more stably, the mounting position is provided for the bearing balls 407 by the pocket 405, the pocket 405 is uniformly arranged along the inner circumference of the retainer 404 and corresponds to the bearing balls 407, the bearing balls 407 are distributed between the bearing sleeve 4 and the bearing inner ring 406 at equal intervals by the retainer 404, the bearing balls 407 are in a relatively static state when the bearing sleeve 4 rotates, the bearing sleeve 4 is uniformly stressed, the bearing sleeve 4 increases the stressed area when the screw body 5 rotates under the action of the driving piece when the screw body 5 rotates, the bearing balls 406 and the bearing balls 407 perform rolling friction motion, the rotation resistance is reduced, the stop ring 408 limits the bearing sleeve 4, prevent that bearing housing 4 from swinging when using, guarantee the stability when lead screw body 5 rotates, make lead screw body 5 atress more even when rotating, prevented that lead screw body 5 from taking place eccentric phenomenon when rotating, improved ball pair's result of use.
Referring to fig. 1, 4, 6 and 7, a ball screw assembly with self-lubricating effect;
the lead screw comprises a lead screw body 5, a lead screw nut 6 and a fixing ring 606, wherein the lead screw body 5 is installed at the center position of a bearing sleeve 4 in a penetrating mode, a dustproof ring 501 is sleeved on the outer side of the lead screw body 5 in a penetrating mode, the dustproof ring 501 is matched with a supporting seat 3, a sealing gasket 502 is installed on one side, close to the bearing sleeve 4, of the dustproof ring 501, a cavity 503 is formed in the outer side of the lead screw body 5 in a penetrating mode, a damping block 504 is installed on the inner side of the cavity 503 in an embedded mode, a lead screw ball 505 is movably installed on the outer wall of the lead screw body 5, the outer side of the lead screw ball 505 is in rolling connection with the inner side of the lead screw nut 6, the sealing gasket 501 seals the supporting seat 3, the sealing performance of the sealing gasket 502 is improved, external dust is blocked, the rotating smoothness of the sliding ball 409 is guaranteed, the damping block 504 inside the cavity 503 and the inner side of the lead screw body 5 generate friction to control the transverse vibration of the lead screw body 5, the outer side of the screw body 5 is sleeved with a screw nut 6, the outer side of the screw nut 6 is provided with a mounting hole 601 in a penetrating manner, the inner side of the screw nut 6 is provided with a circulator 602, the inner side of the screw nut 6 is provided with a sealing gasket II 603, the inner side of the screw nut 6 is provided with a sealing ring II 604, the sealing ring II 604 is positioned on the outer side of the sealing gasket II 603, one side of the screw nut 6 close to the cleaning sleeve 8 is provided with a sealing cover plate 605, the top of the screw nut 6 is provided with a fixing ring 606, the outer side of the fixing ring 606 is provided with a locking hole 607 in a penetrating manner, a bolt penetrates through the inner side of the mounting hole 601 to realize the fastening connection between the screw nut 6 and the cleaning sleeve 8, the sealing gasket II 603 and the sealing ring II 604 seal the connection position of the screw body 5 and the screw nut 6, the leakage of lubricating oil is prevented, the sealing cover plate 605 fixes the sealing gasket II 603 and the sealing ring II 604 and further improves the sealing effect, effectively prevented that metal debris and dust from getting into screw nut 6 inside cause adverse effect to screw ball 505 and screw nut 6's performance, strengthened practicality, locking hole 607 is spacing to locking pin 706.
Referring to fig. 1, 6, 7 and 8, a ball screw assembly with self-lubricating effect;
the oil-saving screw comprises an oil storage cavity 7, an oil cavity cover 702 and a cleaning sleeve 8, wherein the top of a screw nut 6 is provided with the oil storage cavity 7, the bottom of the oil storage cavity 7 is provided with an oil penetration hole 701 in a penetrating way, the top of the oil storage cavity 7 is provided with the oil cavity cover 702, the outer side of the oil cavity cover 702 is provided with a sliding groove 703, the inner side of the sliding groove 703 is embedded and provided with a sliding plate 704, the inner wall of the sliding groove 703 is provided with a return spring 705, the outer end of the return spring 705 is connected with the inner side of the sliding plate 704, the outer side of the sliding plate 704 is provided with a locking pin 706, the locking pin 706 is embedded and provided at the inner side of a locking hole 607, lubricating oil is added in the oil storage cavity 7, the locking pin 706 is pressed, the sliding plate 704 is pressed by the locking pin 706, the locking pin 706 is pressed in the sliding groove 703, the locking pin 706 is positioned in the sliding groove 703, when the oil cavity cover 702 is clamped with the oil storage cavity 7, the return spring 705 enables the locking pin 706 to be clamped at the inner side of the locking hole 607 due to be clamped, the sealing of the oil storage cavity 7 by the oil cavity cover 702 is realized, the screw nut 6 moves in the horizontal direction under the rotation of the screw body 5, the lubricating oil in the oil storage cavity 7 flows out through the oil seepage hole 701 to lubricate the outer surface of the screw body 5 and the screw ball 505, the abrasion among the screw ball 505, the screw body 5 and the screw nut 6 is reduced, the service life of the screw body 5 is prolonged, a cleaning sleeve 8 is installed on one side of the screw nut 6 through a bolt, an air hole 801 is formed in the center position of the outer side of the cleaning sleeve 8 in a penetrating manner, a cleaning rod 802 is installed on the inner side of the cleaning sleeve 8, a cleaning plate 803 is installed at the inner end of the cleaning rod 802, a cleaning head 804 is installed on the inner side of the cleaning plate 803, the air hole 801 ensures the normal heat dissipation of the screw nut 6, and the cleaning head 804 cleans metal chips and adsorbed dust in the guide groove of the screw body 5 under the driving of the screw nut 6, the cleaning head 804 reduces the abrasion caused by the contact of the cleaning plate 803 and the inner side of the guide groove, ensures the stability of the lead screw nut 6 during movement and improves the transmission efficiency.
The working steps of the ball screw pair are as follows:
s1, firstly, a user adjusts the distance between the two groups of mounting frames 2 according to the size of the lead screw body 5, the adjusting hand wheel 104 is rotated to drive the threaded rod 103 to rotate, the threaded rod 103 rotates to enable the moving block 105 to move in the horizontal direction on the inner side of the adjusting groove 101, and the moving block 105 drives the connecting block 106 to slide on the inner side of the moving groove 102 to ensure the stability of the moving block 105 during movement, so that the lead screw body 5 is mounted;
s2, adding lubricating oil in the oil storage cavity 7, pressing the locking pin 706, pressing the sliding plate 704 by the locking pin 706 to move in the sliding groove 703 to extrude the return spring 705, so that the locking pin 706 is positioned in the sliding groove 703, when the oil cavity cover 702 is clamped with the oil storage cavity 7, the return spring 705 enables the locking pin 706 to be clamped in the locking hole 607 due to the self elasticity, and the oil cavity cover 702 can seal the oil storage cavity 7;
s3, when the screw body 5 rotates under the action of the driving piece, the bearing sleeve 4 increases the stressed area when the screw body 5 rotates, the bearing inner ring 406 and the bearing ball 407 perform rolling friction motion to reduce the rotation resistance, the stop ring 408 limits the bearing sleeve 4 to prevent the bearing sleeve 4 from swinging during use, and ensure the stability of the screw body 5 during rotation, so that the screw body 5 is stressed more uniformly during rotation, the dust ring 501 seals the supporting seat 3 to block external dust and ensure the smooth rotation of the sliding ball 409, the supporting seat 3 can swing up and down due to the vibration generated by the rotation of the screw body 5, the supporting seat 3 can be supported up and down by the buffer springs 203 at the upper end and the lower end of the supporting seat 3, the vibration generated during operation can be buffered by the buffer springs 203, the supporting seat 3 drives the sliding block 302 to move inside the sliding groove 201 to further absorb the vibration of the supporting seat 3, the shock absorption block 504 in the cavity 503 controls the transverse vibration of the lead screw body 5;
s4, the screw nut 6 moves in the horizontal direction under the rotation of the screw body 5, lubricating oil in the oil storage cavity 7 flows out through the oil penetration holes 701 to lubricate the outer surface of the screw body 5 and the screw balls 505, abrasion among the screw balls 505, the screw body 5 and the screw nut 6 is reduced, the cleaning head 804 is driven by the screw nut 6 to clean impurities in the guide groove of the screw body 5, and the stability of the screw nut 6 in moving is guaranteed.
The working principle is as follows: when the device is used, firstly, a user adjusts the distance between the two groups of mounting frames 2 according to the size of the lead screw body 5, the adjusting handwheel 104 is rotated to drive the threaded rod 103 to rotate, the threaded rod 103 rotates to enable the moving block 105 to move in the horizontal direction on the inner side of the adjusting groove 101, the moving block 105 drives the connecting block 106 to slide on the inner side of the moving groove 102 to ensure the stability of the moving block 105 during movement, so that the lead screw body 5 is mounted, lubricating oil is added in the oil storage cavity 7, the locking pin 706 is pressed, the locking pin 706 presses the sliding plate 704 to move on the inner side of the sliding groove 703 to extrude the return spring 705, so that the locking pin 706 is positioned in the sliding groove 703, the return spring 705 enables the locking pin 706 to be clamped on the inner side of the locking hole 607 due to the self elasticity when the oil cavity cover 702 is clamped with the oil storage cavity 7, so that the oil cavity cover 702 seals the oil storage cavity 7, when the lead screw body 5 rotates under the action of the driving piece, the bearing sleeve 4 increases the stressed area when the lead screw body 5 rotates, the bearing inner ring 406 and the bearing ball 407 perform rolling friction motion, the stop ring 408 limits the bearing sleeve 4, so as to prevent the bearing sleeve 4 from swinging during use, ensure the stability of the screw body 5 during rotation, enable the screw body 5 to be stressed more uniformly during rotation, the dust ring 501 seals the supporting seat 3, block external dust, and ensure the smoothness of the rotation of the sliding ball 409, the supporting seat 3 can be shaken up and down due to the vibration generated by the rotation of the screw body 5, the supporting seat 3 can be supported up and down by the buffer springs 203 at the upper end and the lower end of the supporting seat 3, the vibration generated during operation can be buffered by the buffer springs 203, the supporting seat 3 drives the sliding block 302 to move inside the sliding groove 201, so as to further absorb the vibration of the supporting seat 3, the damping block 504 inside the cavity 503 controls the transverse vibration of the screw body 5, and the screw nut 6 moves in the horizontal direction under the rotation of the screw body 5, lubricating oil in the oil storage cavity 7 flows out through the oil penetration holes 701 to lubricate the outer surface of the screw body 5 and the screw ball 505, abrasion among the screw ball 505, the screw body 5 and the screw nut 6 is reduced, the joint of the screw body 5 and the screw nut 6 is sealed by the second sealing gasket 603 and the second sealing ring 604, the sealing effect is further improved when the second sealing gasket 603 and the second sealing ring 604 are fixed by the sealing cover plate 605, adverse effects on the use performance of the screw ball 505 and the screw nut 6 caused by metal debris and dust entering the screw nut 6 are effectively prevented, impurities in a guide groove of the screw body 5 are cleaned by the cleaning head 804 under the driving of the screw nut 6, normal heat dissipation of the screw nut 6 is ensured by the air holes 801, abrasion caused by contact of the cleaning plate 803 and the inner side of the guide groove is reduced by the cleaning head 804, and stability of the screw nut 6 in moving is ensured.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (10)
1. The utility model provides a ball screw is vice with self-lubricating effect, includes installation base (1), mounting bracket (2) and lead screw body (5), its characterized in that: adjusting grooves (101) are symmetrically formed in the top of the mounting base (1), a threaded rod (103) is mounted on the inner side of each adjusting groove (101), a moving block (105) is sleeved on the outer side of each threaded rod (103), and a mounting frame (2) is mounted on the top of each moving block (105);
a supporting seat (3) is installed inside the mounting frame (2), a fixed cylinder (301) is installed in the center of the supporting seat (3), and a bearing sleeve (4) is installed on the inner side of the fixed cylinder (301);
a lead screw body (5) penetrates through the center of the bearing sleeve (4), and a lead screw nut (6) is sleeved on the outer side of the lead screw body (5);
oil storage chamber (7) have been seted up at the top of screw nut (6), clean sleeve (8) are installed through the bolt to one side of screw nut (6), clean pole (802) are installed to the inboard of clean sleeve (8), clean board (803) are installed to the inner of clean pole (802).
2. The ball screw pair with self-lubricating effect according to claim 1, wherein: the inner side of the adjusting groove (101) is provided with a moving groove (102), the outer side of the mounting base (1) is provided with an adjusting hand wheel (104), the output end of the adjusting hand wheel (104) penetrates through the outer side of the mounting base (1) to be connected with the input end of the threaded rod (103), the front surface and the back surface of the moving block (105) are provided with connecting blocks (106), and the connecting blocks (106) are embedded and mounted on the inner side of the moving groove (102).
3. The ball screw pair with self-lubricating effect according to claim 1, wherein: the inner wall of the mounting rack (2) is provided with a sliding groove (201), the top inner side of the mounting rack (2) is provided with a spring mounting seat (202), the bottom of the spring mounting seat (202) is provided with a buffer spring (203), the bottom of the buffer spring (203) is provided with a spring connecting seat (204), and the bottom of the spring connecting seat (204) is connected with the top of the supporting seat (3).
4. The ball screw pair with self-lubricating effect according to claim 1, wherein: the front and the back of the supporting seat (3) are provided with sliding blocks (302), and the sliding blocks (302) are embedded and installed on the inner side of the sliding groove (201).
5. The ball screw pair with self-lubricating effect of claim 1, wherein: the inner side of the bearing sleeve (4) is provided with an inner sliding groove (401), the inner side of the inner sliding groove (401) is provided with a first sealing ring (402), the outer side of the first sealing ring (402) is provided with a connecting ring (403), the inner side of the bearing sleeve (4) is provided with a retainer (404), the outer side of the retainer (404) is penetrated and provided with a pocket hole (405), the inner side of the pocket hole (405) is provided with a bearing ball (407), the outer side of the bearing ball (407) is in rolling connection with the inner side of the inner sliding groove (401), the inner side of the retainer (404) is provided with an inner bearing ring (406), the outer side of the inner bearing ring (406) is in rolling connection with the inner side of the bearing ball (407), the outer side of the screw rod body (5) is sleeved with a stop ring (408), the stop ring (408) is matched with the bearing sleeve (4), and the inner side of the stop ring (408) is embedded with a sliding ball (409).
6. The ball screw pair with self-lubricating effect according to claim 1, wherein: the outer side of the screw body (5) is sleeved with a dustproof ring (501), the dustproof ring (501) is matched with the supporting seat (3), one side, close to the bearing sleeve (4), of the dustproof ring (501) is provided with a first sealing gasket (502), the outer side of the screw body (5) is penetrated and provided with a cavity (503), the inner side of the cavity (503) is embedded with a damping block (504), the outer wall of the screw body (5) is movably provided with a screw ball (505), and the outer side of the screw ball (505) is in rolling connection with the inner side of the screw nut (6).
7. The ball screw pair with self-lubricating effect according to claim 1, wherein: the outer side of the screw nut (6) is provided with a mounting hole (601) in a penetrating mode, the inner side of the screw nut (6) is provided with a circulator (602), the inner side of the screw nut (6) is provided with a second sealing gasket (603), the inner side of the screw nut (6) is provided with a second sealing ring (604), the second sealing ring (604) is located on the outer side of the second sealing gasket (603), one side of the screw nut (6) close to the cleaning sleeve (8) is provided with a sealing cover plate (605), the top of the screw nut (6) is provided with a fixing ring (606), and the outer side of the fixing ring (606) is provided with a locking hole (607) in a penetrating mode.
8. The ball screw pair with self-lubricating effect of claim 1, wherein: oil leakage hole (701) have been run through to the bottom in oil storage chamber (7), oil chamber lid (702) are installed at the top in oil storage chamber (7), spout (703) have been seted up in the outside of oil chamber lid (702), slide (704) are installed to the inboard gomphosis of spout (703), install reset spring (705) on the inner wall of spout (703), and the outer end of reset spring (705) is connected with the inboard of slide (704), fitting pin (706) are installed in the outside of slide (704), and fitting pin (706) gomphosis is installed in the inboard of locking hole (607).
9. The ball screw pair with self-lubricating effect of claim 1, wherein: the outer center of the cleaning sleeve (8) is provided with an air hole (801) in a penetrating mode, and the inner side of the cleaning plate (803) is provided with a cleaning head (804).
10. A ball screw assembly with self-lubricating effect according to any one of claims 1-9, characterised in that it is operated as follows:
s1, firstly, a user adjusts the distance between two sets of mounting frames (2) according to the size of the lead screw body (5), the adjusting hand wheel (104) is rotated to drive the threaded rod (103) to rotate, the threaded rod (103) rotates to enable the moving block (105) to move in the horizontal direction on the inner side of the adjusting groove (101), and the moving block (105) drives the connecting block (106) to slide on the inner side of the moving groove (102) to ensure the stability of the moving block (105) during moving, so that the lead screw body (5) is mounted;
s2, adding lubricating oil in the oil storage cavity (7), pressing the locking pin (706), pressing the sliding plate (704) by the locking pin (706) to move on the inner side of the sliding groove (703) to extrude the return spring (705), so that the locking pin (706) is positioned in the sliding groove (703), and when the oil cavity cover (702) is clamped with the oil storage cavity (7), the return spring (705) clamps the locking pin (706) on the inner side of the locking hole (607) due to the self elasticity, so that the oil cavity cover (702) seals the oil storage cavity (7);
s3, when the screw body (5) rotates under the action of a driving piece, the bearing sleeve (4) increases the stress area when the screw body (5) rotates, the bearing inner ring (406) and the bearing ball (407) perform rolling friction motion, the rotation resistance is reduced, the stop ring (408) limits the bearing sleeve (4), the bearing sleeve (4) is prevented from swinging when in use, the stability of the screw body (5) during rotation is ensured, the screw body (5) is stressed more uniformly when rotating, the dust ring (501) seals the supporting seat (3), external dust is blocked, the rotation smoothness of the sliding ball (409) is ensured, the supporting seat (3) can shake up and down due to vibration generated by rotation of the screw body (5), the supporting seat (3) can be supported up and down by the buffer springs (203) at the upper end and the lower end of the supporting seat (3), and the vibration generated during operation can be buffered by the buffer springs (203), the supporting seat (3) drives the sliding block (302) to move on the inner side of the sliding groove (201) to further absorb shock of the supporting seat (3), and a shock absorption block (504) in the cavity (503) controls transverse shock of the lead screw body (5);
s4, the lead screw nut (6) moves in the horizontal direction under the rotation of the lead screw body (5), lubricating oil in the oil storage cavity (7) flows out through the oil seepage hole (701) to lubricate the outer surface of the lead screw body (5) and the lead screw ball (505), the abrasion between the lead screw ball (505) and the lead screw body (5) and the lead screw nut (6) is reduced, the cleaning head (804) cleans impurities in the guide groove of the lead screw body (5) under the driving of the lead screw nut (6), and the stability of the lead screw nut (6) during moving is ensured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210420850.1A CN114962575A (en) | 2022-04-20 | 2022-04-20 | Ball screw pair with self-lubricating effect |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210420850.1A CN114962575A (en) | 2022-04-20 | 2022-04-20 | Ball screw pair with self-lubricating effect |
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| CN114962575A true CN114962575A (en) | 2022-08-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210420850.1A Pending CN114962575A (en) | 2022-04-20 | 2022-04-20 | Ball screw pair with self-lubricating effect |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116104921A (en) * | 2023-02-07 | 2023-05-12 | 江苏品德机电科技有限公司 | Ball screw structure with good sealing performance and anti-blocking performance and use method thereof |
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| CN108223738A (en) * | 2017-12-30 | 2018-06-29 | 苏州欧鹏自动化设备有限公司 | A kind of fixed seat for guide rail leading screw |
| CN213808490U (en) * | 2020-10-29 | 2021-07-27 | 常州耐玛特精密机械有限公司 | Support device for integrated guide rail |
| CN214578674U (en) * | 2021-03-13 | 2021-11-02 | 江苏品德机电科技有限公司 | High-efficiency ultra-smooth ball screw pair |
| CN214888674U (en) * | 2021-06-10 | 2021-11-26 | 无锡市高盛机械制造有限公司 | Ball screw pair and sealing structure |
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| CN1095798A (en) * | 1994-02-03 | 1994-11-30 | 阎兆平 | A kind of novel high speed heavy duty rolling bearing |
| CN108223738A (en) * | 2017-12-30 | 2018-06-29 | 苏州欧鹏自动化设备有限公司 | A kind of fixed seat for guide rail leading screw |
| CN213808490U (en) * | 2020-10-29 | 2021-07-27 | 常州耐玛特精密机械有限公司 | Support device for integrated guide rail |
| CN214578674U (en) * | 2021-03-13 | 2021-11-02 | 江苏品德机电科技有限公司 | High-efficiency ultra-smooth ball screw pair |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116104921A (en) * | 2023-02-07 | 2023-05-12 | 江苏品德机电科技有限公司 | Ball screw structure with good sealing performance and anti-blocking performance and use method thereof |
| CN116104921B (en) * | 2023-02-07 | 2023-11-07 | 江苏品德机电科技有限公司 | Ball screw structure with good sealing performance and anti-blocking performance and use method thereof |
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