CN211501306U

CN211501306U - High-precision anti-eccentric sliding bearing

Info

Publication number: CN211501306U
Application number: CN202020162341.XU
Authority: CN
Inventors: 吴冠军; 徐柏洪; 陈雪刚; 于光远
Original assignee: Zhejiang Jujin Machinery Co ltd
Current assignee: Zhejiang Jujin Machinery Co ltd
Priority date: 2020-02-11
Filing date: 2020-02-11
Publication date: 2020-09-15
Anticipated expiration: 2030-02-11

Abstract

The utility model discloses a high-precision anti-eccentric sliding bearing, which belongs to the field of sliding bearings and comprises a bearing bush, wherein the inner wall of the side wall of the bearing bush is provided with a strip-shaped groove, the inner wall of the strip-shaped groove is provided with uniformly distributed tapered grooves, the inner wall of the tapered grooves is fixedly connected with first tapered teeth, the strip-shaped groove is movably connected with a shaft neck, the side wall of the shaft neck is fixedly connected with uniformly symmetrical second tapered teeth, the first tapered teeth and the second tapered teeth are connected in a staggered way, the side wall of the tapered grooves is provided with uniformly distributed arc-shaped chutes, the side wall of the shaft neck is fixedly connected with uniformly distributed sliding rods, the arc-shaped chutes and the sliding rods are movably connected, the side wall of the sliding rod is provided with lubricating holes, the middle part of the shaft neck is provided with a shaft fixing, thereby prolonging the service life of the sliding bearing and improving the processing precision of the object to be processed.

Description

High-precision anti-eccentric sliding bearing

Technical Field

The utility model relates to a slide bearing field, more specifically say, relate to an eccentric slide bearing is prevented to high accuracy.

Background

Plain bearings, bearings that operate under sliding friction. The sliding bearing works stably and reliably without noise. Under the liquid lubrication condition, the sliding surfaces are separated by the lubricating oil without direct contact, and the friction loss and surface wear can also be greatly reduced. But the starting frictional resistance is large. The portion of the shaft supported by the bearing is called the journal, and the part that mates with the journal is called the bearing shell. The sliding bearing is generally applied under the working condition of high speed and light load.

Wherein slide bearing's application range is very extensive, often treat the processing article and polish, punch, cut open light etc. at the during operation, the connecting axle can receive external force or the influence of self area animal, lead to the connecting axle rotatory off-centre that appears, and the one end of axle is connected to on the slide bearing, can increase slide bearing self friction, lead to slide bearing's wearing and tearing too big, reduce slide bearing's live time, slide bearing is when rotating now simultaneously, off-centre can appear, lead to being connected to the connecting axle rotation on the slide bearing and appearing the deviation, lead to other article errors of connecting axle processing, reduce the degree of accuracy of treating the processing article.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide a high accuracy prevents eccentric slide bearing, it can realize preventing that slide bearing self from appearing the deviation, prevents connecting axle eccentric rotation and produces the influence to slide bearing simultaneously to promote slide bearing's life-span, and the precision of treating the processing article processing is treated in the improvement.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

The utility model provides an eccentric slide bearing is prevented to high accuracy, includes the axle bush, the bar groove has been seted up to the lateral wall inner wall of axle bush, evenly distributed's bell jar is seted up to the inner wall in bar groove, the first toper tooth of the inner wall fixedly connected with of bell jar, bar groove swing joint has the axle journal, the second toper tooth of the even symmetry of lateral wall fixedly connected with of axle journal, first toper tooth and second toper tooth cross connection, evenly distributed's arc spout is seted up to the lateral wall of bell jar, the lateral wall fixedly connected with evenly distributed's of axle journal slide bar, arc spout and slide bar swing joint, the lubricating hole has been seted up to the lateral wall of slide bar, the axle fixed slot has been seted up at the middle part of axle journal, the oil filler point has.

Furthermore, the strip-shaped groove is annular, the height of the strip-shaped groove is larger than that of the shaft neck, so that the shaft neck can rotate conveniently, the rotating range of the shaft neck is limited, and eccentric rotation is prevented.

Furthermore, the number of the conical grooves is two, the two conical grooves are uniformly distributed on the inner wall of the strip-shaped groove relative to the axle center of the bearing bush, the conical grooves are annular, and the rotating range of the second conical tooth is limited.

Furthermore, the number of the slide bars is set to be a plurality of, and the slide bar arrays are arranged on the side wall of the shaft neck, so that the slide bars can rotate in the arc-shaped sliding groove conveniently.

Furthermore, the number of oil filler point sets up to two, the oil filler point sets up on the same diameter of axle bush, and the oil filler point is in on the upper and lower wall of axle bush, is convenient for pour lubricating oil into the tapered groove in, rotates through the axle journal and spreads lubricating oil in the tapered groove.

Furthermore, the quantity of lubricating oil hole sets up to a plurality ofly, and a plurality of lubricating oil hole arrays are arranged at the lateral wall of slide bar, are convenient for store unnecessary lubricating oil, last the use.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) this scheme prevents through the cooperation between second toper tooth and the arc spout that the eccentric force that receives the connecting axle and lead to the great and increase the wearing and tearing of slide bar of the friction of slide bar and bell jar inner wall to reduce the life of slide bar, bar groove, axle journal, second toper tooth and arc spout self take place the off-centre and lead to the connecting axle to rotate the deviation appearing when preventing that the axle journal from rotating simultaneously, reduce the precision of treating the processing article.

(2) The strip-shaped groove is annular, the height of the strip-shaped groove is larger than that of the shaft neck, the shaft neck can rotate conveniently, the rotating range of the shaft neck is limited, and eccentric rotation is prevented.

(3) The number of taper grooves sets up to two, and two taper grooves are at the inner wall of bar groove about the axle center evenly distributed of axle bush, and the taper groove sets up to the annular, prescribes a limit to second toper tooth pivoted scope.

(4) The quantity of lubricating hole sets up to a plurality ofly, and a plurality of lubricating hole array arrange at the lateral wall of slide bar, are convenient for save unnecessary lubricating oil, last the use.

Drawings

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

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

FIG. 3 is an enlarged view of portion A of FIG. 2;

fig. 4 is an enlarged view of the portion B in fig. 2.

The reference numbers in the figures illustrate:

1. bearing bushes; 2. a strip-shaped groove; 3. a journal; 4. a tapered groove; 5. a first conical tooth; 6. a second tapered tooth; 7. an arc-shaped chute; 8. a slide bar; 9. a shaft fixing groove; 10. an oil filler hole; 11. and an oil lubrication hole.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", 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 referred to 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", "sleeved/connected", "connected", and the like are to be understood in a broad sense, 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.

Example 1:

referring to fig. 1-4, a high-precision anti-eccentric sliding bearing comprises a bearing bush 1, the bearing bush 1 is even an annular structure with a hole in the middle, a strip-shaped groove 2 is formed in the inner wall of the side wall of the bearing bush 1, tapered grooves 4 are uniformly distributed in the inner wall of the strip-shaped groove 2, the number of the tapered grooves 4 is two, the two tapered grooves 4 are uniformly distributed in the inner wall of the strip-shaped groove 2 about the axis of the bearing bush 1, the tapered grooves 4 are annular, a first tapered tooth 5 is fixedly connected to the inner wall of the tapered grooves 4, a shaft neck 3 is movably connected to the strip-shaped groove 2, the strip-shaped groove 2 is annular, the height of the strip-shaped groove 2 is greater than that of the shaft neck 3, the shaft neck 3 is convenient to rotate, the rotation range of the shaft neck 3 is limited, eccentric rotation is prevented, a second tapered tooth 6 is uniformly symmetrical to the side wall of, first conical tooth 5 and second conical tooth 6 are connected in a staggered manner, arc-shaped chutes 7 which are uniformly distributed are formed in the side walls of conical grooves 4, the arc-shaped chutes 7 are positioned in the middle parts of two conical grooves 4, slide bars 8 which are uniformly distributed are fixedly connected to the side walls of shaft necks 3, the number of the slide bars 8 is set to be multiple, and the slide bars 8 are arranged on the side walls of the shaft necks 3 in an array manner, so that the slide bars 8 rotate in the arc-shaped chutes 7 conveniently, the arc-shaped chutes 7 are movably connected with the slide bars 8, oil lubrication holes 11 are formed in the side walls of the slide bars 8, the number of the oil lubrication holes 11 is set to be multiple, so that redundant lubricating oil is stored and can be used continuously, a shaft fixing groove 9 is formed in the middle part of the shaft necks 3, conical teeth are formed in the side walls of 9, so that a connecting shaft can be stably fixed, oil injection, be convenient for pour into lubricating oil into to oil filler point 10 into, oil filler point 10 sets up on axle bush 1 same diameter, and oil filler point 10 is in on the upper and lower wall of axle bush 1, is convenient for pour lubricating oil into tapered groove 4 in, rotates through axle journal 3 and spreads lubricating oil in the tapered groove 4, and frictional force when preventing the rotation of slide bar 8 is too big.

When the device is used, a person skilled in the art fixes the device on a punching, polishing or deburring device, the connection is clamped in the shaft fixing groove 9, the punching, polishing or deburring device is started, the other end of the connection shaft is connected with a power source, a punching, polishing or deburring cutter and the like can be connected to the connection shaft, certain deviation can be caused to the connection shaft, when the connection shaft rotates, eccentric force is transmitted to the shaft neck 3, the shaft neck 3 is limited through the first conical teeth 5 and the second conical teeth 6, the eccentric force is prevented from being transmitted to the sliding rod 8 by the shaft neck 3, the friction force between the sliding rod 8 and the conical groove 4 when the sliding rod 8 rotates is too large, and the service life of the sliding rod 8 is shortened. Thereby reduce slide bearing's live time, simultaneously the bell groove 4, the axle journal 3, first taper tooth 5 and second taper tooth 6 prevent slide bearing itself because of the eccentric of self production and lead to the rotation of connecting axle to appear the deviation, lead to punching on the connecting axle, the deviation appears when polishing or burring cutter rotate, cause wait to process the punching of article, polishing or burring appear the error and lead to waiting to process article processing mistake or even lead to waiting to process the article damage, can realize preventing slide bearing self from appearing the deviation, prevent simultaneously that connecting axle eccentric rotation from producing the influence to slide bearing, thereby promote slide bearing's life-span, and improve the precision of treating the processing of processing article.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. The utility model provides an eccentric slide bearing is prevented to high accuracy, includes axle bush (1), its characterized in that: the bearing bush comprises a bearing bush (1), and is characterized in that a strip-shaped groove (2) is formed in the inner wall of the side wall of the bearing bush (1), tapered grooves (4) are uniformly distributed in the inner wall of the strip-shaped groove (2), first tapered teeth (5) are fixedly connected to the inner wall of the tapered grooves (4), shaft necks (3) are movably connected to the strip-shaped groove (2), second tapered teeth (6) are uniformly and symmetrically fixedly connected to the side wall of the shaft necks (3), the first tapered teeth (5) and the second tapered teeth (6) are connected in a staggered manner, arc-shaped sliding grooves (7) are uniformly distributed in the side wall of the tapered grooves (4), sliding rods (8) are uniformly distributed in the side wall of the shaft necks (3), the arc-shaped sliding grooves (7) are movably connected with the sliding rods (8), oil lubrication holes (11) are formed in the side wall of the sliding rods (, the side wall of the bearing bush (1) is provided with an oil filling hole (10).

2. A high-precision anti-eccentricity sliding bearing according to claim 1, characterized in that: the strip-shaped groove (2) is annular, and the height of the strip-shaped groove (2) is greater than that of the shaft neck (3).

3. A high-precision anti-eccentricity sliding bearing according to claim 1, characterized in that: the number of the conical grooves (4) is two, the two conical grooves (4) are uniformly distributed on the inner wall of the strip-shaped groove (2) relative to the axle center of the bearing bush (1), and the conical grooves (4) are annular.

4. A high-precision anti-eccentricity sliding bearing according to claim 1, characterized in that: the number of the slide bars (8) is set to be a plurality, and the slide bars (8) are arranged on the side wall of the journal (3) in an array manner.

5. A high-precision anti-eccentricity sliding bearing according to claim 1, characterized in that: the number of the oil filling holes (10) is two, the oil filling holes (10) are arranged on the same diameter of the bearing bush (1), and the oil filling holes (10) are arranged on the upper wall and the lower wall of the bearing bush (1).

6. A high-precision anti-eccentricity sliding bearing according to claim 1, characterized in that: the number of lubricating holes (11) is set to a plurality of, and a plurality of lubricating holes (11) are arranged on the side wall of the sliding rod (8) in an array mode.