CN211875045U

CN211875045U - Grinding ball screw bearing

Info

Publication number: CN211875045U
Application number: CN202020416876.5U
Authority: CN
Inventors: 胡逢斌
Original assignee: Zhejiang Kaiyade Bearing Manufacturing Co ltd
Current assignee: Zhejiang Kaiyade Bearing Manufacturing Co ltd
Priority date: 2020-03-27
Filing date: 2020-03-27
Publication date: 2020-11-06
Anticipated expiration: 2030-03-27

Abstract

The utility model discloses a grind ball screw bearing, including the lead screw body, the sliding surface of lead screw body is connected with the nut, the left side cover of nut is equipped with first dustproof pad, the right side cover of nut is equipped with the dustproof pad of second, the inner chamber of nut is provided with the ball, the oil filler point has all been seted up to the top and the bottom of nut, one side fixedly connected with cushion of oil filler point inner chamber, the top fixedly connected with spring of cushion. The utility model discloses a lead screw body, the nut, first dustproof pad, the dustproof pad of second, the ball, the oil filler point, the cushion, a spring, the baffle, press the piece, lead to groove and lead the cooperation of oil groove and use, can effectually solve the relatively poor problem of current lead screw bearing dirt resistance, inside this lead screw bearing avoided the dust of surface to pass through the oil filler point and gets into the nut, avoid dust and ball laminating, reduce the frictional force between ball and the lead screw body surface, slow down the wearing and tearing of ball, improve lead screw bearing's life.

Description

Grinding ball screw bearing

Technical Field

The utility model relates to a lead screw bearing technical field specifically is grinding ball lead screw bearing.

Background

Ball screw is turning into rotary motion linear motion, or turn into rotary motion's ideal product with linear motion, ball screw is the transmission element who uses most on instrument machinery and the precision machine, its primary function is with rotary motion conversion linear motion, or convert the moment of torsion into axial repetitive force, have high accuracy concurrently simultaneously, reversibility and efficient characteristics, owing to have very little frictional resistance, ball screw is by wide application in various industrial equipment and precision instrument, ball screw on the grinding device in the existing market, because material such as external dust passes through between nut and the lead screw that the oil filler point got into ball screw easily, and be difficult to discharge, thereby make ball screw wear and tear easily and cause life weak point.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a grind ball screw bearing possesses the dirt-proof advantage of oiling, has solved ball screw on the existing market, because between material such as external dust gets into ball screw's nut and lead screw through the oil filler point easily, and is difficult to discharge to make ball screw wear and tear easily and cause the problem that life is short.

In order to achieve the above object, the utility model provides a following technical scheme: grind ball screw bearing, including the lead screw body, the surperficial sliding connection of lead screw body has the nut, the left side cover of nut is equipped with first dustproof pad, the right side cover of nut is equipped with the dustproof pad of second, the inner chamber of nut is provided with the ball, the oil filler point has all been seted up to the top and the bottom of nut, one side fixedly connected with cushion of oil filler point inner chamber, the top fixedly connected with spring of cushion, one side fixedly connected with baffle of cushion is kept away from to the spring, one side fixedly connected with of baffle presses the piece, one side of keeping away from the baffle according to the piece extends to the outside of oil filler point, logical groove has all been seted up to the both sides of oil filler point, the both sides of baffle all extend to the inner chamber that leads to the groove, the oil guide groove has all been seted up to the both sides.

Preferably, the left side fixedly connected with installation piece of lead screw body, the left side fixedly connected with installation axle of installation piece.

Preferably, the right side fixedly connected with mount of lead screw body, the surface of lead screw body is spiral groove structure, the lead screw body closes soon and installs the inside at the nut.

Preferably, the inner cavity of the nut is provided with a limiting groove, and the ball is fixed in the nut at equal intervals through the limiting groove.

Preferably, the inner cavity of the nut is fixedly connected with a heat-resistant alloy coating, and the first dustproof pad and the second dustproof pad are both made of polyurethane rubber.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a lead screw body, the nut, first dustproof pad, the dustproof pad of second, the ball, the oil filler point, the cushion, a spring, the baffle, press the piece, lead to groove and lead the cooperation of oil groove and use, can effectually solve the relatively poor problem of current lead screw bearing dirt resistance, inside this lead screw bearing avoided the dust of surface to pass through the oil filler point and gets into the nut, avoid dust and ball laminating, reduce the frictional force between ball and the lead screw body surface, slow down the wearing and tearing of ball, improve lead screw bearing's life.

2. The utility model discloses a set up installation piece and installation axle, can conveniently install this lead screw bearing to play more convenient result of use, through setting up the mount, can increase the stability of this lead screw bearing, through setting up the spacing groove, can carry on spacingly to the ball, through setting up the heat-resisting alloy coating, can improve the heat resistance of nut, improve the life of nut.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic sectional view of the connecting structure of the screw rod body and the nut of the present invention;

FIG. 3 is a schematic view of a partial enlarged structure at A in FIG. 2 according to the present invention;

fig. 4 is a schematic sectional view of the nut of the present invention.

In the figure: 1. a screw rod body; 2. a nut; 3. a first dust-proof pad; 4. a second dust-proof pad; 5. a ball bearing; 6. an oil filler hole; 7. cushion blocks; 8. a spring; 9. a baffle plate; 10. according to blocks; 11. a through groove; 12. an oil guide groove; 13. mounting blocks; 14. installing a shaft; 15. a fixed mount; 16. a limiting groove; 17. and (4) coating a heat-resistant alloy.

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 work belong to 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 end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred 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" and "second" 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 is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The components adopted by the utility model are all universal standard components or components known by the technicians in the field, and the structure and the principle of the components are known by the technicians through technical manuals or conventional experimental methods.

Referring to fig. 1-4, a grinding ball screw bearing comprises a screw body 1, a mounting block 13 is fixedly connected to the left side of the screw body 1, a mounting shaft 14 is fixedly connected to the left side of the mounting block 13, a fixing frame 15 is fixedly connected to the right side of the screw body 1, the outer surface of the screw body 1 is of a spiral groove structure, the screw body 1 is rotatably installed inside a nut 2, a nut 2 is slidably connected to the surface of the screw body 1, a limiting groove 16 is formed in the inner cavity of the nut 2, balls 5 are fixed inside the nut 2 at equal intervals through the limiting groove 16, a heat-resistant alloy coating 17 is fixedly connected to the inner cavity of the nut 2, a first dustproof pad 3 and a second dustproof pad 4 are both made of polyurethane rubber, a first dustproof pad 3 is sleeved on the left side of the nut 2, a second dustproof pad 4 is sleeved on the right side of the nut 2, balls 5 are arranged in the inner cavity of the nut 2, one side of the inner cavity of the oil filling hole 6 is fixedly connected with a cushion block 7, the top of the cushion block 7 is fixedly connected with a spring 8, one side of the spring 8, which is far away from the cushion block 7, is fixedly connected with a baffle plate 9, one side of the baffle plate 9 is fixedly connected with a pressing block 10, one side of the pressing block 10, which is far away from the baffle plate 9, extends to the outside of the oil filling hole 6, both sides of the oil filling hole 6 are respectively provided with a through groove 11, both sides of the baffle plate 9 extend to the inner cavity of the through groove 11, both sides of the baffle plate 9 are respectively provided with an oil guide groove 12, one side of the through groove 11 is communicated with the inner cavity of the nut 2, through arranging an installation block 13 and an installation shaft 14, the screw bearing can be conveniently installed, thereby playing a more convenient use effect, through arranging a fixing frame 15, the stability of the screw bearing can be increased, improve nut 2's life, through lead screw body 1, nut 2, first dustproof pad 3, the dustproof pad 4 of second, ball 5, oil filler point 6, cushion 7, spring 8, baffle 9, press piece 10, lead to groove 11 and lead the cooperation of oil groove 12 and use, can the relatively poor problem of current lead screw bearing dirt resistance of effectual solution, this lead screw bearing avoids the dust of surface to pass through inside oil filler point 6 gets into nut 2, avoid dust and the laminating of ball 5, reduce the frictional force between ball 5 and the lead screw body 1 surface, slow down ball 5's wearing and tearing, improve lead screw bearing's life.

During the use, because external dust often gets into through oil filler point 6, this screw rod bearing is at the oiling in-process, press piece 10 through pressing, press piece 10 to drive baffle 9 shrink, pour into lubricating oil through oil filler point 6, lubricating oil passes through baffle 9 both sides lead inside oil groove 12 gets into logical groove 11, lead inside intercommunication of groove 11 and nut 2, accomplish the oiling back, loosen and press piece 10, baffle 9 realizes resetting under spring 8's effect, seal oil filler point 6, thereby avoid the dust to get into inside nut 2, moreover, the steam generator is simple in structure, can improve the life of screw rod bearing.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Grind ball screw bearing, including lead screw body (1), its characterized in that: the surface of the screw rod body (1) is connected with a nut (2) in a sliding manner, a first dustproof pad (3) is sleeved on the left side of the nut (2), a second dustproof pad (4) is sleeved on the right side of the nut (2), balls (5) are arranged in an inner cavity of the nut (2), oil filling holes (6) are formed in the top and the bottom of the nut (2), a cushion block (7) is fixedly connected to one side of the inner cavity of the oil filling hole (6), a spring (8) is fixedly connected to the top of the cushion block (7), a baffle (9) is fixedly connected to one side, far away from the cushion block (7), of the spring (8), a pressing block (10) is fixedly connected to one side of the baffle (9), one side, far away from the baffle (9), of the pressing block (10) extends to the outside of the oil filling hole (6), through grooves (11) are formed in the two sides of the oil filling hole (6), and the two sides, oil guide grooves (12) are formed in the two sides of the baffle (9), and one side of each through groove (11) is communicated with the inner cavity of the nut (2).

2. The grinding ball screw bearing of claim 1, wherein: the left side fixedly connected with installation piece (13) of lead screw body (1), the left side fixedly connected with installation axle (14) of installation piece (13).

3. The grinding ball screw bearing of claim 1, wherein: the right side fixedly connected with mount (15) of lead screw body (1), the surface of lead screw body (1) is the spiral groove structure, the inside at nut (2) is installed in the closure soon of lead screw body (1).

4. The grinding ball screw bearing of claim 1, wherein: the inner cavity of the nut (2) is provided with a limiting groove (16), and the balls (5) are fixed in the nut (2) at equal intervals through the limiting groove (16).

5. The grinding ball screw bearing of claim 1, wherein: the inner cavity of the nut (2) is fixedly connected with a heat-resistant alloy coating (17), and the first dustproof pad (3) and the second dustproof pad (4) are both made of polyurethane rubber.