CN210510232U

CN210510232U - Oil leakage sealing structure based on vacuum extruder gearbox

Info

Publication number: CN210510232U
Application number: CN201921479025.9U
Authority: CN
Inventors: 郭亮; 王林生; 王建民
Original assignee: Shaanxi Huangcheng Building Material Machinery Group Co ltd
Current assignee: Shaanxi Huangcheng Building Material Machinery Group Co ltd
Priority date: 2019-09-06
Filing date: 2019-09-06
Publication date: 2020-05-12
Anticipated expiration: 2029-09-06

Abstract

The oil leakage sealing structure based on the gearbox of the vacuum extruder is provided, wherein a sealing groove I and a sealing groove II which correspond to each other in the upper and lower positions are arranged on the inner side wall surfaces of an upper shell and a lower shell, the sealing groove I and the sealing groove II are distributed at intervals, and asbestos ropes which are positioned between the upper shell and the lower shell and are respectively arranged in the sealing groove I and the sealing groove II are tightly pressed in the sealing groove I and the sealing groove II after the upper shell and the lower shell are fixedly connected through bolts; the inner side wall surfaces of the left bearing seat and the right bearing seat are provided with a plurality of U-shaped grooves I and II corresponding to the positions, and the U-shaped grooves I and the U-shaped grooves II are distributed at intervals, and the rubber sealing rings are pressed against the corresponding U-shaped grooves I and the U-shaped grooves II after the left bearing seat and the right bearing seat are fixed in position. The utility model discloses eliminated because the faying face seals badly and causes the phenomenon that rotation position lubricating oil easily oozes from left bearing frame and right bearing frame and upper casing and lower casing faying face, improved the even stress area and the closely knit nature of sealing member, reduce the energy consumption, guarantee normal production.

Description

Oil leakage sealing structure based on vacuum extruder gearbox

Technical Field

The utility model belongs to the technical field of the faying face is sealed, concretely relates to oil leakage oil seal structure based on vacuum extruder gearbox.

Background

At present, the leakage prevention formed by two concave grooves is a multi-stage leakage prevention concave groove at the joint surface of the oil leakage prevention of the gearbox body of the vacuum extruder, the left bearing seat and the right bearing seat at the rotating part of the gearbox are provided with two square leakage prevention grooves and sealing structures of sealing pieces in the leakage prevention grooves, lubricating oil at the rotating part is sealed, in the actual production process, the problem of oil leakage is generally existed, so that the equipment pollution is serious, the energy consumption is increased, and the normal production is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem: the utility model provides a leak oil seal structure based on vacuum extruder gearbox, through optimizing the structure of left bearing frame and right bearing frame faying face seal groove in gearbox upper casing and lower casing and the gearbox, eliminated because the faying face is sealed badly and cause the phenomenon that the position lubricating oil of rotating easily oozes from left bearing frame and right bearing frame and upper casing and lower casing faying face, improved the even stress area and the closely knit nature of sealing member, solved the serious and big problem of energy consumption of equipment pollution, guarantee normal production.

The utility model adopts the technical proposal that: the oil leakage sealing structure comprises an upper shell, a lower shell and a transmission structure of the gearbox, wherein the transmission structure is arranged in an installation cavity formed after the upper shell and the lower shell are fixedly connected, the transmission structure comprises a left bearing seat, a right bearing seat and a transmission assembly arranged in a cavity formed after the left bearing seat and the right bearing seat are fixedly connected, a sealing groove I and a sealing groove II which correspond to each other in the upper and lower positions are arranged on the inner side wall surfaces of the upper shell and the lower shell, the sealing groove I and the sealing groove II are distributed at intervals, and asbestos ropes which are positioned between the upper shell and the lower shell and respectively arranged in the sealing groove I and the sealing groove II are tightly pressed in the sealing groove I and the sealing groove II after the upper shell and the lower shell are fixedly connected; the rubber sealing ring sealing device is characterized in that a plurality of U-shaped grooves I and U-shaped grooves II corresponding to each other in position are formed in the inner side wall surfaces of the left bearing seat and the right bearing seat, and the U-shaped grooves I and the U-shaped grooves II are distributed at intervals, and the rubber sealing rings are pressed against the corresponding U-shaped grooves I and the U-shaped grooves II after the left bearing seat and the right bearing seat are fixed in position, so that the joint surface of the left bearing seat and the right bearing seat is sealed.

Wherein, seal groove I and seal groove II are half spherical seal groove and seal groove I and II size difference and equidistance interval distribution of seal groove.

Furthermore, U type groove I and U type groove II are the U-shaped groove of variation in size and U type groove I and II equidistance interval distributions in the U type groove.

The utility model has the advantages compared with the prior art:

1. according to the technical scheme, by optimizing the structures of the junction surface sealing grooves of the left bearing seat and the right bearing seat in the upper shell and the lower shell of the gearbox and the gearbox, the phenomenon that lubricating oil at the rotating part is easy to seep out from the junction surfaces of the left bearing seat, the right bearing seat and the upper shell and the lower shell due to poor sealing of the junction surfaces is eliminated, the problems of serious equipment pollution and high energy consumption are solved, and normal production is ensured;

2. according to the technical scheme, the sealing groove I and the sealing groove II of the semi-spherical structure are arranged on the joint surface of the upper shell and the lower shell of the gearbox, and after the upper shell and the lower shell of the gearbox are fixedly connected, the asbestos ropes which are positioned between the upper shell and the lower shell and respectively arranged in the sealing groove I and the sealing groove II are pressed and fixed, and the sealing groove of the semi-spherical structure is beneficial to increasing the stress area between the groove surface of the sealing groove and the asbestos ropes, so that the sealing effect of the upper shell and the lower shell of the gearbox is improved;

3. according to the technical scheme, the rubber sealing rings with different sizes are respectively matched and sealed with the corresponding U-shaped groove I and the corresponding U-shaped groove II which are arranged on the joint surface of the left bearing seat and the right bearing seat, on one hand, the contact area between the groove surfaces of the U-shaped groove I and the U-shaped groove II and the corresponding rubber sealing rings is increased, so that the joint surface of the left bearing seat and the right bearing seat is effectively sealed, on the other hand, a plurality of U-shaped grooves I and U-shaped grooves II with different sizes are distributed at equal intervals to form a multi-stage anti-seepage structure, the sealing effect is greatly improved, and the phenomenon of lubricating oil;

4. the technical scheme has the advantages of simple structure and low sealing cost, improves the uniform stress area and compactness of the sealing element, and meets the sealing requirement of the vacuum extruder on the gearbox.

Drawings

FIG. 1 is a schematic view of a sealing structure of a junction surface of an upper case and a lower case of the present invention;

FIG. 2 is a schematic view of the transmission structure of the present invention;

fig. 3 is the sealing structure diagram of the joint surface between the left bearing seat and the right bearing seat in the transmission structure of the present invention.

Detailed Description

An embodiment of the present invention will be described in conjunction with fig. 1-3 to clearly and completely describe the technical solution, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, not the whole embodiment.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", 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 simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The oil leakage sealing structure comprises an upper casing 1, a lower casing 2 and a transmission structure, wherein the transmission structure is arranged in an installation cavity formed after the upper casing 1 and the lower casing 2 are fixedly connected, the transmission structure comprises a left bearing seat 3, a right bearing seat 4 and a transmission assembly arranged in a cavity formed after the left bearing seat 3 and the right bearing seat 4 are fixedly connected, a sealing groove I5 and a sealing groove II 6 which correspond to each other in the upper and lower positions are arranged on the inner side wall surfaces of the upper casing 1 and the lower casing 2, the sealing groove I5 and the sealing groove II 6 are distributed at intervals, and asbestos ropes 7 which are respectively arranged between the upper casing 1 and the lower casing 2 and in the sealing groove I5 and the sealing groove II 6 are tightly pressed in the sealing groove I5 and the sealing groove II 6 after the upper casing 1 and the lower casing 2 are fixedly connected through bolts; the inner side wall surfaces of the left bearing seat 3 and the right bearing seat 4 are provided with a plurality of U-shaped grooves I8 and U-shaped grooves II 9 which correspond to each other in position, the U-shaped grooves I8 and the U-shaped grooves II 9 are distributed at intervals, and after the left bearing seat 3 and the right bearing seat 4 are fixed in position, the rubber seal ring 10 is pressed against the corresponding groove surfaces of the U-shaped grooves I8 and the U-shaped grooves II 9, so that the joint surface of the left bearing seat 3 and the right bearing seat 4 is sealed; specifically, the sealing groove I5 and the sealing groove II 6 are semi-spherical sealing grooves, and the sealing groove I5 and the sealing groove II 6 are different in size and are distributed at equal intervals; specifically, U type groove I8 and U type groove II 9 are the U-shaped groove of variation in size and U type groove I8 and II 9 equidistance interval distribution in the U type groove.

The technical scheme eliminates the phenomenon that lubricating oil at the rotating part easily seeps out from the left bearing seat, the right bearing seat and the junction surface of the upper casing and the lower casing due to poor sealing of the junction surface by optimizing the structure of the junction surface sealing grooves of the left bearing seat 3 and the right bearing seat 4 in the upper casing 1 and the lower casing 2 of the gearbox, solves the problems of serious equipment pollution and high energy consumption, ensures normal production, is provided with the sealing groove I5 and the sealing groove II 6 which are of a semi-spherical structure on the junction surface of the upper casing 1 and the lower casing 2 of the gearbox, compresses and fixes asbestos ropes which are respectively arranged between the upper casing 1 and the lower casing 2 and in the sealing groove I5 and the sealing groove II 6 after the upper casing 1 and the lower casing 2 of the gearbox are fixedly connected, and the sealing groove of the semi-circular structure is favorable for increasing the stress area of the groove surface of the sealing groove and the asbestos ropes, thereby improving the sealing effect of the, adopt the rubber seal 10 of variation in size respectively with locate the sealed structure of U type groove I8 and the U type groove II 9 adaptation that corresponds on left bearing frame 3 and the right bearing frame 4 faying face, on the one hand, the groove face that has increased U type groove I8 and U type groove II 9 and the rubber seal 10 that corresponds, thereby reach left bearing frame 3 and the effective sealing of right bearing frame 4 faying face, on the other hand, adopt the I8 of the U type groove of a plurality of variation in size and the equidistant interval distribution of U type groove II 9 to form multistage seepage prevention structure, sealed effect improves greatly, the phenomenon of the lubricating oil seepage of drive assembly has been solved, moreover, the steam generator is simple in structure, the sealing cost is low, the even stress area and the compactedness of sealing member have been improved, satisfy the sealed requirement of vacuum extruder to.

The above-mentioned embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the present invention, so that all equivalent changes made by the contents of the claims of the present invention should be included in the scope of the claims of the present invention.

Claims

1. Oil leakage sealing structure based on vacuum extruder gearbox, including upper casing (1), lower casing (2) and the transmission structure of gearbox, and the transmission structure installs in the installation cavity that upper casing (1) and lower casing (2) linked firmly the back and formed, the transmission structure includes left bearing frame (3), right bearing frame (4) and locates left bearing frame (3) and links firmly the transmission assembly in the cavity that forms with right bearing frame (4), its characterized in that: the inner side wall surfaces of the upper casing (1) and the lower casing (2) are provided with a sealing groove I (5) and a sealing groove II (6) which correspond to each other in the upper and lower positions, the sealing groove I (5) and the sealing groove II (6) are distributed at intervals, and after the upper casing (1) and the lower casing (2) are fixedly connected through bolts, asbestos ropes (7) which are positioned between the upper casing (1) and the lower casing (2) and respectively arranged in the sealing groove I (5) and the sealing groove II (6) are pressed in the sealing groove I (5) and the sealing groove II (6); the bearing seat is characterized in that a plurality of U-shaped grooves I (8) and U-shaped grooves II (9) which correspond to each other in position are formed in the inner side wall surfaces of the left bearing seat (3) and the right bearing seat (4), and the U-shaped grooves I (8) and the U-shaped grooves II (9) are distributed at intervals, and after the left bearing seat (3) and the right bearing seat (4) are fixed in position, the rubber sealing rings (10) are pressed against the corresponding U-shaped grooves I (8) and the U-shaped grooves II (9), so that the joint surface of the left bearing seat (3) and the right bearing seat (4) is sealed.

2. The oil leakage sealing structure based on the vacuum extruder gearbox according to claim 1, characterized in that: seal groove I (5) and seal groove II (6) are half-round spherical seal groove and seal groove I (5) and seal groove II (6) size difference and equidistance interval distribution.

3. The oil leakage sealing structure based on the vacuum extruder gearbox according to claim 1, characterized in that: u type groove I (8) and U type groove II (9) are the U-shaped groove of variation in size and U type groove I (8) and U type groove II (9) equidistance interval distribution.