CN213744771U

CN213744771U - Ball screw convenient to lubricate

Info

Publication number: CN213744771U
Application number: CN202022910251.7U
Authority: CN
Inventors: 叶伟青
Original assignee: Lishui Wanli Bearing Manufacturing Co ltd
Current assignee: Lishui Wanli Bearing Manufacturing Co ltd
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-07-20
Anticipated expiration: 2030-12-07

Abstract

The utility model relates to a ball screw convenient for lubrication, which comprises a screw rod, a screw nut provided with a ball groove, a ball, a mounting platform, a lubrication assembly and a storage assembly, wherein the lubrication assembly comprises an oil filling pipe, an oil filling hole, a block, a sliding groove arranged in the oil filling hole, and a first thread mounting groove arranged in the sliding groove, a sealing end cover is arranged in the thread mounting groove in a threaded manner, a first through hole is arranged on the sealing end cover, an oil filling cylinder is arranged in the first through hole in a sliding manner, the left end of the oil filling cylinder extends into the sliding groove, the oil filling cylinder is provided with an oil outlet and an automatic closing assembly, a first sealing ring, a fixing ring and a second sealing ring are arranged in the mounting groove, lubrication enters the ball groove after passing through the inner cavity of the oil filling cylinder, the oil outlet, the sliding groove, the oil outlet is closed after lubricating oil is filled through the automatic closing assembly, the fixing ring is arranged in the first thread mounting groove through the sealing end cover, the storage assembly may function to store lubricating oil.

Description

Ball screw convenient to lubricate

Technical Field

The utility model relates to a ball screw technical field especially relates to a convenient lubricated ball screw.

Background

The ball screw pair is an ideal transmission device for interconversion between rotary motion and linear motion, and has the structural characteristics that balls (as an intermediate transmission element) are arranged between screw nuts with spiral grooves so as to reduce friction, the balls inside the ball screw nuts collide with each other and rub after long-term use, the surface smoothness is influenced, the friction force of the whole device is increased, the loss is aggravated, and the service lives of the screw rod and the screw nut are influenced, so that improvement is needed.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a long service life's convenient lubricated ball screw.

The technical scheme of the utility model is realized like this: the utility model provides a convenient lubricated ball screw, includes that lead screw, movable mounting are equipped with the feed screw nut in ball groove on the lead screw and the inboard, roll and install the ball in the ball groove, integrated into one piece set up on the feed screw nut lateral wall and set up the mount table in a plurality of flange holes on it, still be provided with on the mount table and be used for pouring into the lubricating subassembly of ball inslot with lubricating oil, its characterized in that: the lubricating component comprises an oil filling pipe which is arranged on the outer peripheral surface of the mounting platform along the vertical direction and the bottom end of which is communicated with the ball groove, and an oil filling hole which is arranged on the right side of the mounting platform along the transverse direction and the left end of which is communicated with the upper part of the oil filling pipe, wherein one end of the oil filling pipe, which is far away from the ball groove, is sealed by a block, the right side of the inner wall of the oil filling hole is provided with a sliding groove, the right side of the inner wall of the sliding groove is provided with a first thread mounting groove, a sealing end cover is arranged in the first thread mounting groove through threads, the sealing end cover is provided with a first through hole which is coaxial with the sliding groove, an oil filling cylinder with an opening at the right end is arranged in the first through hole along the transverse sliding direction, the left end of the oil filling cylinder sequentially passes through the first through hole and the first thread mounting groove and then extends into the sliding groove, the middle part of the side wall of the oil filling cylinder is relatively provided with an oil outlet, and an automatic closing component which can prevent dust from entering the sliding groove through the oil outlet is arranged in the oil filling cylinder, first sealing ring, solid fixed ring and second sealing ring are installed from left to right in proper order in the first screw thread mounting groove, gu fixed ring's inboard is located the outer wall fixed connection on oil outlet right side with the oiling section of thick bamboo, still install on the mount table and be used for the storage subassembly of storage lubricating oil with the oil pipe intercommunication.

By adopting the technical scheme, in daily use, a worker injects the oil into the oil filling cylinder through the open end of the oil filling cylinder, the lubrication sequentially passes through the inner cavity of the oil filling cylinder, the oil outlet hole, the sliding groove and the oil filling hole and then enters the oil filling pipe, the ball which is installed in the ball groove in a rolling manner is lubricated through the bottom end of the oil filling pipe, the automatic closing assembly arranged in the oil filling cylinder can partition the open end of the oil filling cylinder from the oil outlet hole when the worker stops injecting the lubricating oil into the oil filling cylinder, the phenomenon that the external dust enters the sliding groove after passing through the oil filling cylinder and the oil filling hole is avoided, the dust entering the sliding groove is wrapped by the lubricating oil and then enters the ball groove after sequentially passing through the oil filling hole and the oil filling pipe, the friction between the ball groove and the ball is intensified, the service life of a screw rod, a screw nut and the ball is shortened is avoided, and the first sealing ring is connected with the sealing end cover which is installed in the first thread installation groove, Gu fixed ring and second sealing ring fixed mounting are in first thread mounting groove, make with solid fixed ring fixed connection's an oiling section of thick bamboo be fixed in sliding tray and first thread mounting groove, prevent that an oiling section of thick bamboo from falling out from the sliding tray, and make solid fixed ring and first thread mounting groove between have good sealed effect through first sealing ring and second sealing ring, avoid lubricating oil to leak through the gap between first thread mounting groove and the end cover, the storage assembly who sets up on the mount table and with oil pipe intercommunication can be when the staff adds lubricating oil to the ball groove through adding oil pipe, play the effect of storage lubricating oil, make the staff needn't frequently add lubricating oil to the ball groove through adding oil pipe, compared with the prior art, the utility model provides the high service life of product, reduced staff's intensity of labour.

The utility model discloses further set up to: automatic closed subassembly is including setting up on oiling section of thick bamboo inner wall and being located the collar on oil outlet right side, along the lateral sliding installation at the inboard slide bar of collar, the middle part of slide bar just is located the collar right side and runs through from top to bottom and has seted up the second through-hole, the third through-hole with second through-hole middle part intercommunication is seted up to the one end that the tank filler neck was kept away from to the slide bar, both ends still fixed mounting has all along the first slider of lateral sliding setting in oiling section of thick bamboo about the slide bar, be provided with buffer spring between the inboard of the first slider in oiling section of thick bamboo left end inboard and left side.

By adopting the technical scheme, in daily use, when a worker needs to inject lubricating oil into the oil injection cylinder, the oil nozzle of the oil can is aligned to the third through hole, the sliding rod is pushed towards the left side through the oil nozzle of the oil can, when the sliding rod moves towards the left side in the oil injection cylinder, the buffer spring is extruded to deform and store energy, the second through hole arranged on the sliding rod moves to the left side of the mounting ring, the lubricating oil can be injected into the third through hole, the lubricating oil enters the left side of the inner cavity of the oil injection cylinder after passing through the third through hole and the second through hole, and then is discharged into the sliding groove through the oil outlet for oiling, after finishing, the worker takes the oil can out, the buffer spring resets under the self elastic action after losing pressure, the sliding rod is pushed to move towards the right side in the oil injection cylinder, the sliding rod drives the second through hole to move to the right side of the fixing ring, the opening end of the oil injection cylinder is separated from the oil outlet through the fixing ring, prevent that the dust from entering into the sliding tray through the oil outlet after entering into the oiling barrel inner chamber.

The utility model discloses further set up to: the storage assembly comprises an oil storage tank, a second thread mounting groove and a sealing nut, wherein the oil storage tank is concavely arranged on the left side of the mounting platform and communicated with the lower portion of the oil filling pipe, the second thread mounting groove is arranged at the opening of the oil storage tank, the sealing nut is mounted in the second thread mounting groove through threads, a sealing soft sleeve is further arranged between the left side of the second thread mounting groove and the inner side of the sealing nut, and a sealing spring is arranged in the sealing soft sleeve.

Through adopting above-mentioned technical scheme, in daily use, lubricating oil enters into the oil storage tank through adding oil pipe, and the storage is in the oil storage tank, gland nut through the screw thread installation in second thread mounting groove will seal soft cover fixed mounting in second thread mounting groove, and extrude sealing spring, make sealing spring's the inboard butt of both ends and gland nut about with the left end of sealing soft cover, make the inboard inseparable butt of left side and gland nut of sealing soft cover and first thread mounting groove, make the oil storage tank form airtight space, prevent that lubricating oil from leaking from the opening part of oil storage tank.

The utility model discloses further set up to: and the outer wall of the left end of the oil injection cylinder is fixedly provided with second sliding blocks which are arranged at intervals along the circumferential direction at equal intervals and are connected with the inner wall of the sliding groove in a transverse sliding mode.

Through adopting above-mentioned technical scheme, in daily use, through a plurality of settings on the oiling section of thick bamboo outer wall and slidable mounting at the second slider of sliding tray in, can make and obtain the support between the right-hand member of oiling section of thick bamboo and the sliding tray inner wall, improve the stability of oiling section of thick bamboo installation.

The utility model discloses further set up to: a plurality of sealing lip edges are arranged on the right side wall of the first sealing ring, and the top ends of the sealing lip edges are abutted to the inner sides of the fixing rings.

Through adopting above-mentioned technical scheme, in daily use, through the sealing lip limit of setting on first sealing ring right side wall, make the contact between first sealing ring and the solid fixed ring inseparabler, improved the sealed effect between first sealing ring and the solid fixed ring.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic view of a part a of fig. 1.

Fig. 3 is a schematic view of a part of the enlarged structure at B in fig. 1.

The labels in the figures are:

1-screw mandrel, 2-screw mandrel nut, 3-ball groove, 4-ball, 5-mounting table, 6-oil filling pipe, 7-oil filling hole, 8-block, 9-sliding groove, 10-first thread mounting groove, 11-sealing end cover, 12-first through hole, 13-oil filling cylinder, 14-oil outlet, 15-first sealing ring, 16-a fixed ring, 17-a second sealing ring, 18-a mounting ring, 19-a sliding rod, 20-a second through hole, 21-a third through hole, 22-a first sliding block, 23-a buffer spring, 24-an oil storage tank, 25-a second thread mounting groove, 26-a sealing nut, 27-a sealing soft sleeve, 28-a sealing spring, 29-a second sliding block and 30-a sealing lip edge.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1-3, the utility model discloses a make things convenient for lubricated ball screw, including lead screw 1, movable mounting on lead screw 1 and inboard lead screw nut 2 that is equipped with ball groove 3, roll ball 4, the integrated into one piece setting in ball groove 3 on 2 lateral walls of lead screw nut and set up the mount table 5 in a plurality of flange holes on it, still be provided with on mount table 5 and be used for pouring into the lubricating subassembly in ball groove 3 with lubricating oil in the utility model discloses in the embodiment: the lubricating component comprises an oil filling pipe 6 which is arranged on the outer peripheral surface of the mounting platform 5 along the vertical direction and the bottom end of which is communicated with the ball groove 3, and an oil filling hole 7 which is arranged on the right side of the mounting platform 5 along the transverse direction and the left end of which is communicated with the upper part of the oil filling pipe 6, wherein one end of the oil filling pipe 6, which is far away from the ball groove 3, is sealed by a blocking block 8, the right side of the inner wall of the oil filling hole 7 is provided with a sliding groove 9, the right side of the inner wall of the sliding groove 9 is provided with a first thread mounting groove 10, a sealing end cover 11 is arranged in the first thread mounting groove 10 through threads, the sealing end cover 11 is provided with a first through hole 12 which is coaxially arranged with the sliding groove 9, an oil filling cylinder 13 with an opening at the right end is arranged in the first through hole 12 along the transverse sliding direction, the left end of the oil filling cylinder 13 sequentially passes through the first through hole 12 and the first thread mounting groove 10 and then extends into the sliding groove 9, the middle part of the side wall of the oil filling cylinder 13 is relatively provided with an oil outlet 14, be provided with in the oiling section of thick bamboo 13 and have the automatic closed subassembly that prevents the dust and get into in the sliding tray 9 through oil outlet 14, from left to right install first sealing ring 15, solid fixed ring 16 and second sealing ring 17 in proper order in the first thread mounting groove 10, gu fixed ring 16's inboard and oiling section of thick bamboo 13 are located the outer wall fixed connection on oil outlet 14 right side, still install on mount table 5 and be used for the storage subassembly of storage lubricating oil with 6 intercommunications of oil filler pipe.

By adopting the technical scheme, in daily use, a worker injects the lubricating oil into the oil filling cylinder 13 through the open end of the oil filling cylinder 13, the lubricating oil sequentially passes through the inner cavity of the oil filling cylinder 13, the oil outlet 14, the sliding groove 9 and the oil filling hole 7 and then enters the oil filling pipe 6, the lubricating oil enters the ball groove 3 through the bottom end of the oil filling pipe 6 to lubricate the ball 4 which is arranged in the ball groove 3 in a rolling way, when the worker stops injecting the lubricating oil into the oil filling cylinder 13, the automatic closing component arranged in the oil filling cylinder 13 can separate the open end of the oil filling cylinder 13 from the oil outlet 14, so that the phenomenon that the external dust enters the sliding groove 9 through the oil filling cylinder 13 and the oil filling hole, the dust entering the sliding groove 9 is wrapped by the lubricating oil and then sequentially passes through the oil filling hole 7 and the oil filling pipe 6 and then enters the ball groove 3, the friction between the ball groove 3 and the ball 4 is intensified, and the service lives of the screw rod 1, the screw nut 2 and the ball 4 are shortened is avoided, the first sealing ring 15, the fixing ring 16 and the second sealing ring 17 are fixedly installed in the first thread installation groove 10 by the sealing end cover 11 which is installed in the first thread installation groove 10 by threads, so that the oil filling cylinder 13 fixedly connected with the fixing ring 16 is fixed in the sliding groove 9 and the first thread installation groove 10, the oil filling cylinder 13 is prevented from falling out of the sliding groove 9, and the fixing ring 16 and the first thread installation groove 10 have good sealing effect by the first sealing ring 15 and the second sealing ring 17, the leakage of the lubricating oil through the gap between the first thread installation groove 10 and the sealing end cover 11 is avoided, the storage assembly which is arranged on the installation table 5 and communicated with the oil filling pipe 6 can play a role of storing the lubricating oil when the lubricating oil is added into the ball groove 3 by the oil filling pipe 6, so that the worker does not need to frequently add the lubricating oil into the ball groove 3 through the oil filling pipe 6, compared with the prior art, the utility model provides the high life of product has reduced staff's intensity of labour.

In the embodiment of the present invention: automatic closed subassembly is including setting up on a 13 inner walls of oiling barrel and being located the collar 18 on oil outlet 14 right side, along the slide bar 19 of lateral sliding installation in collar 18 inboard, slide bar 19's middle part just is located collar 18 right side and runs through from top to bottom and has seted up second through-hole 20, slide bar 19 keeps away from the one end of oil filler hole 7 and sets up the third through-hole 21 with second through-hole 20 middle part intercommunication, slide bar 19 about both ends still fixed mounting have all along the first slider 22 of lateral sliding setting in oiling barrel 13, be provided with buffer spring 23 between the inboard of the first slider 22 in oiling barrel 13 left end inboard and left side.

By adopting the technical scheme, in daily use, when a worker needs to inject lubricating oil into the oil injection cylinder 13, the oil nozzle of the oil can is aligned to the third through hole 21, the sliding rod 19 is pushed towards the left side through the oil nozzle of the oil can, when the sliding rod 19 moves towards the left side in the oil injection cylinder 13, the buffer spring 23 is extruded to deform and store energy, the second through hole 20 formed in the sliding rod 19 moves to the left side of the mounting ring 18, the lubricating oil can be injected into the third through hole 21, the lubricating oil enters the left side of the inner cavity of the oil injection cylinder 13 after passing through the third through hole 21 and the second through hole 20 and then is discharged into the sliding groove 9 through the oil outlet 14, after oil is added, the worker takes the oil can out, the buffer spring 23 resets under the self elastic action after losing pressure, the sliding rod 19 is pushed to move towards the right side in the oil injection cylinder 13, and the sliding rod 19 drives the second through hole 20 to move to the right side of the fixing ring 16, the opening end of the oil filling cylinder 13 is separated from the oil outlet hole 14 through the fixing ring 16, so that dust is prevented from entering the inner cavity of the oil filling cylinder 13 and then entering the sliding groove 9 through the oil outlet hole 14.

In the embodiment of the present invention: the storage assembly comprises an oil storage groove 24 which is concavely arranged on the left side of the mounting platform 5 and communicated with the lower part of the oil filling pipe 6, a second thread mounting groove 25 arranged at the opening of the oil storage groove 24, and a sealing nut 26 which is mounted in the second thread mounting groove 25 through threads, wherein a sealing soft sleeve 27 is further arranged between the left side of the second thread mounting groove 25 and the inner side of the sealing nut 26, and a sealing spring 28 is arranged in the sealing soft sleeve 27.

By adopting the above technical scheme, in daily use, lubricating oil enters the oil storage tank 24 through the oil filling pipe 6 and is stored in the oil storage tank 24, the sealing nut 26 which is installed in the second thread installation groove 25 through threads fixedly installs the sealing soft sleeve 27 in the second thread installation groove 25, and extrudes the sealing spring 28, so that the left and right ends of the sealing spring 28 are abutted against the inner side of the left end of the sealing soft sleeve 27 and the inner side of the sealing nut 26, the sealing soft sleeve 27 is abutted against the left side of the first thread installation groove 10 and the inner side of the sealing nut 26 tightly, the oil storage tank 24 forms a closed space, and the lubricating oil is prevented from leaking from the opening of the oil storage tank 24.

In the embodiment of the present invention: and second sliding blocks 29 which are arranged at intervals along the circumferential direction at equal intervals and are transversely and slidably connected with the inner wall of the sliding groove 9 are fixedly arranged on the outer wall of the left end of the oil filling cylinder 13.

Through adopting above-mentioned technical scheme, in daily use, through a plurality of settings on the outer wall of oiling section of thick bamboo 13 and slidable mounting at the second slider 29 of sliding tray 9 in, can make and obtain supporting between the right-hand member of oiling section of thick bamboo 13 and the sliding tray 9 inner wall, improve the stability of oiling section of thick bamboo 13 installation.

In the embodiment of the present invention: the right side wall of the first sealing ring 15 is provided with a plurality of sealing lips 30, and the top end of each sealing lip 30 is abutted against the inner side of the fixing ring 16.

Through adopting above-mentioned technical scheme, in daily use, through the sealing lip limit 30 that sets up on first sealing ring 15 right side wall, make the contact between first sealing ring 15 and the solid fixed ring 16 inseparabler, improved the sealed effect between first sealing ring 15 and the solid fixed ring 16.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a convenient lubricated ball screw, includes that lead screw (1), movable mounting are equipped with screw-nut (2) of ball groove (3) on lead screw (1) and the inboard, roll ball (4) of installing in ball groove (3), integrated into one piece set up on screw-nut (2) lateral wall and set up mount table (5) in a plurality of flange holes on it, still be provided with on mount table (5) and be used for pouring into the lubricating element in ball groove (3), its characterized in that with lubricating oil: lubrication assembly includes along vertical direction offer on mount table (5) outer peripheral face and bottom and oil filler pipe (6) of ball groove (3) intercommunication, along transversely offer at oil filler sleeve (7) of mount table (5) right side and left end and oil filler pipe (6) upper portion intercommunication, oil filler pipe (6) keep away from the one end of ball groove (3) and seal through sprue (8), sliding tray (9) have been seted up on oil filler sleeve (7) inner wall right side, first screw thread mounting groove (10) have been seted up on the inner wall right side of sliding tray (9), install end cover (11) through the screw thread in first screw thread mounting groove (10), set up first through-hole (12) with the coaxial setting of sliding tray (9) on end cover (11), install open-ended oiling barrel (13) along horizontal sliding in first through-hole (12), the left end of oiling barrel (13) stretches into after passing first through-hole (12) and first screw thread mounting groove (10) in proper order and slides end cover (11), and slide In groove (9), the lateral wall middle part of oiling section of thick bamboo (13) is provided with oil outlet (14) relatively, be provided with in oiling section of thick bamboo (13) and have the automatic closed subassembly that prevents the dust and get into in sliding tray (9) through oil outlet (14), from left to right install first sealing ring (15), solid fixed ring (16) and second sealing ring (17) in proper order in first thread mounting groove (10), the inboard of solid fixed ring (16) is located the outer wall fixed connection on oil outlet (14) right side with oiling section of thick bamboo (13), still install on mount table (5) and be used for the storage subassembly of storage lubricating oil with oiling pipe (6) intercommunication.

2. The ball screw for facilitating lubrication according to claim 1, wherein: automatic closed subassembly is including setting up collar (18) on oiling barrel (13) inner wall and being located oil outlet (14) right side, along lateral sliding install at collar (18) inboard slide bar (19), the middle part of slide bar (19) just is located collar (18) right side and runs through from top to bottom and has seted up second through-hole (20), slide bar (19) keep away from the one end of oil filler sleeve (7) and set up third through-hole (21) with second through-hole (20) middle part intercommunication, both ends are still fixed mounting all along lateral sliding setting first slider (22) in oiling barrel (13) about slide bar (19), be provided with buffer spring (23) between the inboard of oiling barrel (13) left end inboard and left side first slider (22).

3. A lubrication facilitating ball screw as set forth in claim 2, wherein: storage assembly including sunken set up in mount table (5) left side and with oil filling pipe (6) lower part intercommunication oil storage tank (24), set up second screw thread mounting groove (25) at oil storage tank (24) opening part, install gland nut (26) in second screw thread mounting groove (25) through the screw thread, still be provided with sealed soft cover (27) between the left side of second screw thread mounting groove (25) and gland nut (26) inboard, be provided with sealing spring (28) in sealed soft cover (27).

4. A lubrication facilitating ball screw as set forth in claim 3, wherein: and a second sliding block (29) which is arranged at intervals along the circumferential direction at equal intervals and is connected with the inner wall of the sliding groove (9) along the transverse sliding direction is fixedly arranged on the outer wall of the left end of the oil injection cylinder (13).

5. The ball screw for facilitating lubrication according to claim 4, wherein: the right side wall of the first sealing ring (15) is provided with a plurality of sealing lips (30), and the top ends of the sealing lips (30) are abutted against the inner side of the fixing ring (16).