CN216519236U

CN216519236U - Bearing gland applied to machine tool spindle

Info

Publication number: CN216519236U
Application number: CN202123345073.9U
Authority: CN
Inventors: 何子林; 胡美玲; 刘林青
Original assignee: Dongguan Xinbo Precision Machinery Co ltd
Current assignee: Dongguan Xinbo Precision Machinery Co ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-05-13
Anticipated expiration: 2031-12-28

Abstract

The utility model relates to the technical field of machine tool parts, and provides a bearing gland applied to a machine tool spindle, which comprises a cover body, lug seats and a limiting groove, wherein the lug seats are uniformly fixed on the outer wall of one end of the cover body, a containing cavity penetrates through the middle position inside the cover body, the limiting groove is arranged at one end, away from the lug seats, of the containing cavity inside the cover body, an observation structure is installed inside the limiting groove, an oil filling hole is arranged above the limiting groove inside the cover body, and a limiting ring is fixed on the outer side of the containing cavity at one end, away from the limiting groove, of the cover body. According to the utility model, the sealing gasket is worn in the use process by the sealing structure, and the guide column can push the sealing gasket to move in the sealing groove under the elastic force action of the propelling spring, so that one end of the sealing gasket is tightly attached to the bearing, the leakage of lubricating oil is avoided, the sealing effect of the device is enhanced, and the applicability of the bearing gland applied to the machine tool spindle is improved in use.

Description

Bearing gland applied to machine tool spindle

Technical Field

The utility model relates to the technical field of machine tool components, in particular to a bearing gland applied to a machine tool spindle.

Background

With the continuous development of the society, the machining industry has been developed vigorously, the machine tool is a machining device commonly used in the machining industry, the main shaft of the machine tool is in a high-speed running state in the working process, the main shaft bearing plays an important auxiliary role, and in order to prevent the bearing from axial movement and damage, and prevent foreign matters such as lubricating oil leakage and dust from entering the bearing body, the bearing gland applied to the main shaft of the machine tool is used.

Traditional bearing gland is because its leakproofness is relatively poor, along with the sealing washer wearing and tearing in the use, and lubricated liquid can take place to leak for its suitability is low when using.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims to provide a bearing gland applied to a machine tool spindle, which is used for solving the defect of poor sealing performance of the existing bearing gland applied to the machine tool spindle.

(II) contents of the utility model

In order to solve the technical problems, the utility model provides the following technical scheme: a bearing gland applied to a machine tool spindle comprises a cover body, an ear seat and a limiting groove, wherein the ear seat is uniformly fixed on the outer wall of one end of the cover body;

an oil filling hole is formed above the limit groove in the cover body;

a limiting ring is fixed on the outer side of the cavity at the end, far away from the limiting groove, of the cover body, and a sealing structure is arranged on the outer side of the limiting ring inside the cover body.

When using this bearing gland who is applied to lathe main shaft, can observe the lubricated liquid surplus in appearance chamber through observing the structure, be convenient for simultaneously clear up the inside in appearance chamber, can add lubricated liquid to the inside in appearance chamber fast through rubber buffer and oil filler point, can strengthen its leakproofness through seal structure.

Preferably, the one end of oil filler point extends to the inside in appearance chamber, the other end of oil filler point extends to the outside of lid, the one end interference joint that the appearance chamber was kept away from to the oil filler point has the rubber buffer, the inside one end of keeping away from the spacing groove of lid under the oil filler point is provided with the oil filler groove. The rubber plug is pulled out from one end of the oil filling hole, lubricating liquid is added into the cavity through the oil filling hole, and then the rubber plug is inserted into the oil filling hole.

Preferably, the top end of the oil filling groove extends to the inside of the containing cavity, and one side of the oil filling groove, which is far away from the limiting groove, extends to the outer side of the limiting ring. During the operation of the bearing, the lubricating liquid in the cavity can permeate into the bearing through the oil filling groove.

Preferably, observe the structure and include translucent cover, fixed screw and sealing washer, the translucent cover is established in the inside of spacing groove, one side that the translucent cover is close to the appearance chamber is provided with the sealing washer, the inside border position department of translucent cover has all run through fixed screw, and the one end of fixed screw all passes the inside that the sealing washer extends to the lid. Can carry out the dismouting to the translucent cover fast through the set screw to in to holding the inside in chamber and clearing up.

Preferably, the fixing screws are distributed in the transparent cover at equal intervals, and the outer diameter of the sealing ring is larger than that of the transparent cover. The surplus of the lubricating liquid in the accommodating cavity can be observed through the transparent cover, so that the lubricating liquid can be added in time.

Preferably, seal structure includes guide way, propulsion spring, guide post, seal groove and sealed the pad, the guide way is evenly seted up in the outside of the inside spacing ring of lid, the seal groove is seted up in the inside that the guide way is close to spacing ring one side lid, the inside of guide way all is provided with propulsion spring, propulsion spring is close to the one end of seal groove and all is provided with the guide post, and the one end of guide post all extends to the inside of seal groove and is fixed with sealed the pad. The sealing gasket can be abraded in the using process, and under the elastic force action of the propelling spring, the guide column can push the sealing gasket to move in the sealing groove, so that one end of the sealing gasket is tightly attached to the bearing, and the leakage of lubricating oil is avoided.

Preferably, the guide slot is equidistant at one side of seal groove and distributes, guide post and sealed pad constitute extending structure through propulsion spring. The sealing effect of the device is enhanced.

(III) advantageous effects

The utility model provides a bearing gland applied to a machine tool spindle, which has the advantages that:

by the aid of the sealing structure, the sealing gasket is abraded in the using process, the guide column can push the sealing gasket to move in the sealing groove under the action of the elastic force of the pushing spring, one end of the sealing gasket is tightly attached to one side of the bearing, leakage of lubricating oil is avoided, the sealing effect of the device is enhanced, and therefore the applicability of the bearing pressing cover applied to the machine tool spindle in the using process is improved;

by arranging the observation structure, the surplus of the lubricating liquid in the accommodating cavity can be observed through the transparent cover, so that the lubricating liquid can be added into the accommodating cavity in time, and meanwhile, the transparent cover can be disassembled and assembled through the fixing screw, so that the inside of the accommodating cavity can be cleaned conveniently, the function of the device convenient to maintain is realized, and the service life of a machine tool spindle bearing is prolonged;

through being provided with the rubber buffer, extract the rubber buffer from the one end of oil filler point, add lubricated liquid through the oil filler point to the inside that holds the chamber, then insert the inside of oil filler point with the rubber buffer, realized the device and be convenient for add the function of lubricated liquid to this bearing gland who is applied to the lathe main shaft has improved the convenience when using.

Drawings

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

FIG. 1 is a schematic three-dimensional structure of the present invention;

FIG. 2 is a schematic cross-sectional front view of the present invention;

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

FIG. 4 is a schematic enlarged front sectional view of the sealing structure of the present invention;

FIG. 5 is a schematic side view of the present invention.

The reference numerals in the figures illustrate: 1. a cover body; 2. an ear mount; 3. a limiting groove; 4. observing the structure; 401. a transparent cover; 402. fixing screws; 403. a seal ring; 5. a rubber plug; 6. a sealing structure; 601. a guide groove; 602. a propulsion spring; 603. a guide post; 604. a sealing groove; 605. a gasket; 7. a limiting ring; 8. an oil filler hole; 9. a cavity; 10. and an oil injection groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without any inventive step, are within the scope of the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable 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.

Example one

Referring to fig. 1-5, the bearing gland applied to the spindle of the machine tool provided by the utility model comprises a cover body 1, an ear seat 2 and a limiting groove 3, wherein the ear seat 2 is uniformly fixed on the outer wall of one end of the cover body 1, the limiting groove 3 is uniformly penetrated through the inside of the ear seat 2, a cavity 9 is penetrated through the middle position inside the cover body 1, the limiting groove 3 is arranged at one end of the cavity 9 inside the cover body 1, which is far away from the ear seat 2, an observation structure 4 is installed inside the limiting groove 3, the observation structure 4 comprises a transparent cover 401, a fixing screw 402 and a sealing ring 403, the transparent cover 401 is arranged inside the limiting groove 3, the sealing ring 403 is arranged at one side of the transparent cover 401, the fixing screw 402 is penetrated through the edge position inside the transparent cover 401, one end of the fixing screw 402 extends to the inside of the cover body 1 through the sealing ring 403, the fixing screws 402 are distributed in the transparent cover 401 at equal intervals, the outer diameter of the seal ring 403 is larger than the outer diameter of the transparent cover 401.

In this embodiment, can observe the surplus of holding the inside lubricated liquid in chamber 9 through translucent cover 401 to in time to the inside lubricated liquid that adds that holds chamber 9, accessible fixed screw 402 carries out the dismouting to translucent cover 401 simultaneously, so that clear up holding the inside of chamber 9.

Example two

This embodiment still includes: an oil filling hole 8 is arranged above the limit groove 3 in the cover body 1, a limit ring 7 is fixed on the outer side of the cavity 9 at the end of the cover body 1 far away from the limit groove 3, a sealing structure 6 is arranged on the outer side of the limit ring 7 in the cover body 1, the sealing structure 6 comprises a guide groove 601, a propulsion spring 602, a guide post 603, a sealing groove 604 and a sealing gasket 605, the guide groove 601 is uniformly arranged on the outer side of the limit ring 7 in the cover body 1, the sealing groove 604 is arranged in the cover body 1 at the side of the guide groove 601 close to the limit ring 7, the propulsion spring 602 is arranged in the guide groove 601, the guide post 603 is arranged at the end of the propulsion spring 602 close to the sealing groove 604, one end of each guide column 603 extends into the sealing groove 604 and is fixed with a sealing gasket 605, the guide grooves 601 are distributed at equal intervals on one side of the sealing groove 604, and the guide columns 603 and the sealing gaskets 605 form a telescopic structure through a pushing spring 602.

In this embodiment, the bearing may wear the sealing pad 605 during operation, and under the elastic force of the pushing spring 602, the guiding column 603 may push the sealing pad 605 to move inside the sealing groove 604, so that one end of the sealing pad 605 is tightly attached to one side of the bearing, thereby preventing the leakage of the lubricating oil.

EXAMPLE III

This embodiment still includes: one end of oil filler point 8 extends to the inside that holds chamber 9, the other end of oil filler point 8 extends to the outside of lid 1, the one end interference joint that holds chamber 9 was kept away from to oil filler point 8 has

rubber buffer

5, 1 inside one end of keeping away from spacing groove 3 of lid under the oil filler point 8 is provided with oil filler groove 10, the top of oil filler groove 10 extends to the inside that holds chamber 9, oil filler groove 10 keeps away from one side of spacing groove 3 and extends to the outside of spacing ring 7, observe when holding the inside lubricated liquid of chamber 9 not enough through translucent cover 401, extract rubber buffer 5 from the one end of oil filler point 8, add lubricated liquid to the inside that holds chamber 9 through oil filler point 8, then insert the inside of oil filler point 8 with rubber buffer 5, the inside lubricated liquid that holds chamber 9 can permeate to the inside of bearing through oil filler groove 10.

The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a be applied to bearing gland of lathe main shaft, includes lid (1), ear seat (2) and spacing groove (3), its characterized in that: the outer wall of one end of the cover body (1) is uniformly fixed with ear seats (2), a cavity (9) penetrates through the middle position inside the cover body (1), one end, far away from the ear seats (2), of the cavity (9) inside the cover body (1) is provided with a limiting groove (3), and an observation structure (4) is installed inside the limiting groove (3);

an oil filling hole (8) is formed above the limit groove (3) in the cover body (1);

the outer side of the cavity (9) is fixed with a limiting ring (7) at one end of the cover body (1) far away from the limiting groove (3), and a sealing structure (6) is arranged at the outer side of the limiting ring (7) in the cover body (1).

2. The bearing gland applied to the main shaft of the machine tool according to claim 1, characterized in that: the one end of oil filler point (8) extends to the inside that holds chamber (9), the other end of oil filler point (8) extends to the outside of lid (1), the one end interference joint that holds chamber (9) is kept away from in oil filler point (8) has rubber buffer (5), the inside one end of keeping away from spacing groove (3) of lid (1) under oil filler point (8) is provided with oiling groove (10).

3. The bearing gland applied to the main shaft of the machine tool according to claim 2, wherein: the top of oiling groove (10) extends to the inside that holds chamber (9), one side that spacing groove (3) were kept away from in oiling groove (10) extends to the outside of spacing ring (7).

4. The bearing gland applied to the main shaft of the machine tool according to claim 1, characterized in that: observe structure (4) including translucent cover (401), set screw (402) and sealing washer (403), translucent cover (401) set up in the inside of spacing groove (3), translucent cover (401) are close to one side that holds chamber (9) and are provided with sealing washer (403), the inside border position department of translucent cover (401) has all run through set screw (402), and the one end of set screw (402) all passes sealing washer (403) and extends to the inside of lid (1).

5. The bearing gland applied to the main shaft of the machine tool according to claim 4, wherein: the fixing screws (402) are distributed in the transparent cover (401) at equal intervals, and the outer diameter of the sealing ring (403) is larger than that of the transparent cover (401).

6. The bearing gland applied to the main shaft of the machine tool according to claim 1, characterized in that: seal structure (6) are including guide way (601), propulsion spring (602), guide post (603), seal groove (604) and sealed pad (605), the outside of lid (1) inside spacing ring (7) is evenly seted up in guide way (601), seal groove (604) are seted up in guide way (601) and are close to the inside of spacing ring (7) one side lid (1), the inside of guide way (601) all is provided with propulsion spring (602), the one end that propulsion spring (602) are close to seal groove (604) all is provided with guide post (603), and the one end of guide post (603) all extends to the inside of seal groove (604) and is fixed with sealed pad (605).

7. The bearing gland applied to the main shaft of the machine tool according to claim 6, wherein: the guide groove (601) is distributed on one side of the sealing groove (604) at equal intervals, and the guide columns (603) and the sealing gaskets (605) form a telescopic structure through the pushing springs (602).