阅读说明：本技术 一种偏心凸轮的密封圈安装结构 (Sealing ring mounting structure of eccentric cam ) 是由 单坤林 于 2019-10-11 设计创作，主要内容包括：本发明公开了一种偏心凸轮的密封圈安装结构,包括固定连接在安装架上的偏心凸轮圆柱,偏心凸轮圆柱包括第一圆柱和第二圆柱,同时第一圆柱的外侧端面采用T型端面,第一圆柱和第二圆柱之间的连接处设有密封盖板；在第一圆柱外周套接滚针轴承,且滚针轴承限位在T型端面与密封盖板之间；在滚针轴承外周套接旋转轮,旋转轮与外部旋转驱动机构连接,且旋转轮两端分别设有第一密封卡槽和第二密封卡槽,同时在第一密封卡槽和第二密封卡槽内嵌设第一密封圈和第二密封圈,将滚针轴承封装在偏心凸轮圆柱与旋转轮之间；本发明在实现偏心振荡旋转效果下,同时所采用的安装结构简单,占用体积小,良好地实现了对偏心凸轮的轴承密封,避免轴承润滑油泄漏。(The invention discloses a sealing ring mounting structure of an eccentric cam, which comprises an eccentric cam cylinder fixedly connected to a mounting frame, wherein the eccentric cam cylinder comprises a first cylinder and a second cylinder, the outer side end face of the first cylinder adopts a T-shaped end face, and a sealing cover plate is arranged at the joint between the first cylinder and the second cylinder; a needle bearing is sleeved on the periphery of the first cylinder, and the needle bearing is limited between the T-shaped end face and the sealing cover plate; a rotating wheel is sleeved on the periphery of the needle bearing and connected with an external rotation driving mechanism, a first sealing clamping groove and a second sealing clamping groove are respectively formed in two ends of the rotating wheel, a first sealing ring and a second sealing ring are embedded in the first sealing clamping groove and the second sealing clamping groove, and the needle bearing is packaged between the eccentric cam cylinder and the rotating wheel; the invention realizes the eccentric oscillation rotation effect, has simple installation structure and small occupied volume, well realizes the bearing sealing of the eccentric cam and avoids the leakage of bearing lubricating oil.)

1. The sealing ring mounting structure of the eccentric cam is characterized by comprising an eccentric cam cylinder fixedly connected to a mounting frame, wherein the eccentric cam cylinder comprises a first cylinder and a second cylinder, the central lines of the first cylinder and the second cylinder are not overlapped and are integrally connected, the outer diameter of the first cylinder is larger than that of the second cylinder, meanwhile, the outer end face of the first cylinder is a T-shaped end face, and a sealing cover plate is arranged at the joint between the first cylinder and the second cylinder;

a needle bearing is sleeved on the periphery of the first cylinder, and the needle bearing is limited between the T-shaped end face and the sealing cover plate; a rotating wheel is sleeved on the periphery of the needle bearing and connected with an external rotation driving mechanism, a first sealing clamping groove and a second sealing clamping groove are respectively formed in two ends of the rotating wheel, a first sealing ring and a second sealing ring are embedded in the first sealing clamping groove and the second sealing clamping groove, and the needle bearing is packaged between the eccentric cam cylinder and the rotating wheel;

the rotating wheel is in eccentric rotation motion relative to the eccentric cam cylinder under the driving rotation effect of the external rotation driving mechanism, and the oscillation effect of the sealing ring mounting structure is achieved.

2. The eccentric cam packing mounting structure according to claim 1, wherein the first packing and the second packing each employ a rubber packing.

3. The seal ring mounting structure for an eccentric cam according to claim 1, wherein said first cylinder is provided with an oil filling port communicating with an external oil filling nozzle, and said second cylinder is provided with an oil outlet communicating with said oil filling port, through which lubricating oil is supplied to said needle roller bearing.

4. The seal ring installation structure of an eccentric cam according to claim 1, wherein the rotation speed of the rotation driving mechanism is 300 and 1000 rpm.

5. The seal ring mounting structure of an eccentric cam according to claim 1 or 4, wherein the seal ring mounting structure of an eccentric cam is used as an oscillation module of a detection apparatus, wherein the second cylinder is connected with an external vibration mounting part.

Technical Field

The invention belongs to a sealing technology, and particularly relates to a sealing ring mounting structure of an eccentric cam.

Background

Eccentric cams are widely used in vibration follower products because of the need for good lubrication to ensure long service life. Most of the existing eccentric cam vibrators are applied to the building engineering industry, the structure occupies a large volume, and the installation structures are multiple, so that the existing eccentric cam vibrators do not generally require good oil seal effects in the existing eccentric cam vibrators. However, the applicant wishes to develop and improve a new eccentric cam vibrator structure and apply it to an oscillation module of some precision equipment, and therefore, it is required to have good oil sealing performance.

Therefore, the applicant of the present invention has sought to solve the technical problems of the prior art by providing a seal ring mounting structure of an eccentric cam.

Disclosure of Invention

In view of the above, an object of the present invention is to provide a sealing ring mounting structure for an eccentric cam, which has a simple mounting structure and a small occupied volume, and can well seal a bearing of the eccentric cam and prevent leakage of bearing lubricant while achieving an eccentric oscillation rotation effect.

The technical scheme adopted by the invention is as follows:

a sealing ring mounting structure of an eccentric cam comprises an eccentric cam cylinder fixedly connected to a mounting frame, wherein the eccentric cam cylinder comprises a first cylinder and a second cylinder, the central lines of the first cylinder and the second cylinder are not overlapped and are integrally connected, the outer diameter of the first cylinder is larger than that of the second cylinder, the outer side end face of the first cylinder is a T-shaped end face, and a sealing cover plate is arranged at the joint between the first cylinder and the second cylinder;

a needle bearing is sleeved on the periphery of the first cylinder, and the needle bearing is limited between the T-shaped end face and the sealing cover plate; a rotating wheel is sleeved on the periphery of the needle bearing and connected with an external rotation driving mechanism, a first sealing clamping groove and a second sealing clamping groove are respectively formed in two ends of the rotating wheel, a first sealing ring and a second sealing ring are embedded in the first sealing clamping groove and the second sealing clamping groove, and the needle bearing is packaged between the eccentric cam cylinder and the rotating wheel;

the rotating wheel is in eccentric rotation motion relative to the eccentric cam cylinder under the driving rotation effect of the external rotation driving mechanism, and the oscillation effect of the sealing ring mounting structure is achieved.

Preferably, the first sealing ring and the second sealing ring are both rubber sealing rings.

Preferably, the first cylinder is provided with an oil filling port communicated with an external oil filling nozzle, the second cylinder is provided with an oil outlet communicated with the oil filling port, and lubricating oil is conveyed to the needle roller bearing through the oil outlet.

Preferably, the rotation speed of the rotation driving mechanism is 300-1000 rpm.

Preferably, the seal ring mounting structure of the eccentric cam is used as an oscillation module of the detection apparatus, wherein the second cylinder is connected with an external vibration mounting part.

According to the invention, the eccentric cam cylinder is formed by the first cylinder and the second cylinder which are in an eccentric state and are integrally connected, then the needle bearing and the rotating wheel are sequentially sleeved, meanwhile, the needle bearing is packaged between the eccentric cam cylinder and the rotating wheel through the multi-structure matching design of the T-shaped end surface, the sealing cover plate, the first sealing ring and the second sealing ring, and during actual work, the rotating wheel performs eccentric rotation motion relative to the eccentric cam cylinder under the driving rotation action of the external rotation driving mechanism, so that the oscillation effect on the mounting structure of the sealing ring is realized; the invention further preferably arranges an oil filling port communicated with an external oil filling nozzle on the first cylinder, arranges an oil outlet communicated with the oil filling port on the second cylinder, and finally conveys lubricating oil to the needle roller bearing through the oil outlet, thereby realizing real-time oil supplementing lubrication of the needle roller bearing and effectively ensuring the service life of the invention.

Drawings

FIG. 1 is a cross-sectional view of an eccentric cam in accordance with an embodiment of the present invention;

FIG. 2 is a schematic diagram of the exploded structure of FIG. 1;

fig. 3 is a right side view of fig. 1.

Detailed Description

The embodiment of the invention discloses a sealing ring mounting structure of an eccentric cam, which comprises an eccentric cam cylinder fixedly connected to a mounting frame, wherein the eccentric cam cylinder comprises a first cylinder and a second cylinder, the central lines of the first cylinder and the second cylinder are not overlapped and are integrally connected, the outer diameter of the first cylinder is larger than that of the second cylinder, the outer end face of the first cylinder adopts a T-shaped end face, and a sealing cover plate is arranged at the joint between the first cylinder and the second cylinder; the periphery of the first cylinder is sleeved with a needle bearing, and the needle bearing is limited between the T-shaped end face and the sealing cover plate; a rotating wheel is sleeved on the periphery of the needle bearing and connected with an external rotation driving mechanism, a first sealing clamping groove and a second sealing clamping groove are respectively formed in two ends of the rotating wheel, a first sealing ring and a second sealing ring are embedded in the first sealing clamping groove and the second sealing clamping groove, and the needle bearing is packaged between the eccentric cam cylinder and the rotating wheel; the rotating wheel performs eccentric rotation motion relative to the eccentric cam cylinder under the driving rotation action of the external rotation driving mechanism, so that the oscillation effect on the sealing ring mounting structure is realized.

In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, 2 and 3, an eccentric cam seal ring mounting structure as an oscillation module of a detection device includes an eccentric cam cylinder 10 fixedly connected to a mounting frame (not shown), where the eccentric cam cylinder 10 includes a first cylinder 11 and a second cylinder 12 whose central lines are not overlapped and integrally connected, an outer diameter D10 of the first cylinder 11 is greater than an outer diameter D20 of the second cylinder 12, and an outer end face of the first cylinder 11 adopts a T-shaped end face 11a, a sealing cover 13 is disposed at a joint between the first cylinder 11 and the second cylinder 12, and the second cylinder 12 is connected to a vibration mounting portion of an external detection device, and may actually be mounted and connected to a vibration disk of the detection device through the mounting frame, which belongs to application and installation common knowledge of persons skilled in the art, and the present embodiment is not specifically described;

wherein, a needle bearing 20 (directly obtained from the market) is sleeved on the periphery of the first cylinder 11, and the needle bearing 20 is limited between the T-shaped end surface 11a and the sealing cover plate 13; a rotating wheel 30 is sleeved on the periphery of the needle bearing 20; the rotating wheel 30 is connected with an external rotation driving mechanism, the rotation speed of the rotation driving mechanism is 300-;

in this embodiment, a first seal slot 31 and a second seal slot 32 are respectively disposed at two ends of the rotating wheel 30, and a first seal ring 41 and a second seal ring 42 are embedded in the first seal slot 31 and the second seal slot 32, so as to seal the needle bearing 20 between the eccentric cam cylinder 10 and the rotating wheel 30, preferably, in this embodiment, both the first seal ring 41 and the second seal ring 42 are rubber seal rings; preferably, in the present embodiment, the first cylinder 11 is provided with an oil filling port 11b communicating with an external oil filling nozzle, and the second cylinder 12 is provided with an oil outlet 12a communicating with the oil filling port 11b, and lubricating oil is delivered to the needle roller bearing 20 through the oil outlet 12 a.

In the embodiment, the eccentric cam cylinder 10 is composed of the first cylinder 11 and the second cylinder 12 which are in an eccentric state and are integrally connected, then the needle bearing 20 and the rotating wheel 30 are sequentially sleeved, and meanwhile, the needle bearing 20 is packaged between the eccentric cam cylinder 10 and the rotating wheel 30 through the multi-structure matching design of the T-shaped end surface 11a, the sealing cover plate 13, the first sealing ring 41 and the second sealing ring 42, and during actual work, the rotating wheel 30 performs eccentric rotation motion relative to the eccentric cam cylinder 10 under the driving rotation action of the external rotation driving mechanism, so that the oscillation effect of a sealing ring mounting structure is realized; in this embodiment, it is further preferable that an oil filling port 11b communicated with an external oil filling nozzle is provided on the first cylinder 11, an oil outlet 12a communicated with the oil filling port 11b is provided on the second cylinder 12, and finally, the lubricating oil is delivered to the needle roller bearing 20 through the oil outlet 12a, so that the real-time oil supplementing lubrication of the needle roller bearing 20 can be realized, and the service life of this embodiment can be effectively guaranteed.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.