Double-seal multi-bearing oil-saving compression roller assembly
By designing a double sealed multi-bearing oil-saving system in the press roller assembly, the problems of lubricating oil leakage and dust entry are solved, the effective use of lubricating oil and the stable operation of the press roller assembly are achieved, and the production cost is reduced.
Patent Information
- Application Number
- CN202420668574.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-02
- Publication Date
- 2025-03-25
- Estimated Expiration
- 2034-04-02
AI Technical Summary
During use, existing press roller assembly is prone to problems such as lubricating oil leakage and dust entering the roller bearing, which affects the use effect and increases production costs.
A double sealed multi-bearing oil-salt pressure roller assembly is designed to inject lubricating oil into the first oil passage of the eccentric shaft and flow the lubricating oil into the roller bearing through the second oil passage of the eccentric sleeve. Combined with the design of the positioning sleeve, sealing cover and skeleton oil seal, the double sealing effect is achieved to prevent lubricating oil leakage and dust from entering.
It effectively avoids external dust entering the roller bearing, ensures its normal use, and prevents internal lubricant leakage, saves the amount of lubricant, reduces production costs, and reduces use wear and improves the working stability of the press roller assembly.
Smart Images
Figure CN222662778U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pressure rollers, in particular to a double-sealed multi-bearing oil-saving pressure roller assembly. Background Art
[0002] The pressure roller assembly is a component installed on the briquetting machine and cooperates with the forming mold on the briquetting machine to roll straw or solid waste into briquettes. It generally includes an eccentric shaft, an eccentric sleeve and a roller bearing. The roller bearing is installed between the eccentric shaft and the eccentric sleeve. In order to ensure its normal operation, lubricating oil is injected into the roller bearing. In order to avoid oil leakage and dust entering the roller bearing and affecting its use, the applicant proposed to design a double-sealed multi-bearing oil-saving pressure roller assembly. Utility Model Content
[0003] The technical problem to be solved by the utility model is that, in view of the above-mentioned deficiencies in the prior art, a double-sealed multi-bearing oil-saving pressure roller assembly is proposed.
[0004] To achieve its purpose, the utility model adopts the following technical solutions:
[0005] A double-seal multi-bearing oil-saving pressure roller assembly, comprising an eccentric shaft, an eccentric sleeve, a pressure wheel, a roller bearing, a positioning sleeve, a sealing cover and a skeleton oil seal; the middle cavity of the eccentric sleeve is eccentrically arranged, and the eccentric shaft is inserted in the middle cavity of the eccentric sleeve; the pressure wheel is sleeved on the outside of the eccentric sleeve, and two roller bearings are installed between the pressure wheel and the eccentric sleeve; a first oil channel axially penetrates the inside of the eccentric shaft, and a second oil channel radially penetrates the inside of the eccentric sleeve, the first oil channel intersects and communicates with the second oil channel, and the two ends of the second oil channel are respectively connected to the gap between the two roller bearings; the two positioning sleeves are respectively sleeved on the eccentric sleeves on the outside of the roller bearings; the sealing cover is sleeved on the outside of the positioning sleeve, the sealing cover covers the end of the pressure wheel, and is connected to the pressure wheel by bolts; the skeleton oil seal is installed between the sealing cover and the positioning sleeve.
[0006] Preferably, the pressure roller assembly further comprises a locating bearing, and the locating bearing sleeve is arranged on the eccentric sleeve between the roller bearing and the locating sleeve.
[0007] Preferably, the end of the eccentric sleeve is integrally connected with a flange, and the flange is located above one of the positioning sleeves.
[0008] Preferably, the end of the eccentric sleeve away from the flange is connected to a positioning block by bolts, and the positioning block is partially installed in the slot of the positioning sleeve.
[0009] Preferably, a positioning key is provided between the positioning sleeve and the eccentric sleeve below the flange.
[0010] Beneficial effects of the utility model:
[0011] The utility model discloses a double-seal multi-bearing oil-saving pressure roller assembly. When in use, lubricating oil is injected into the first oil channel of the eccentric shaft, and then flows into the two roller bearings through the second oil channel of the eccentric sleeve for lubrication. Positioning sleeves and sealing covers are installed at both ends and the inner side of the pressure roller, and a skeleton oil seal is installed between the positioning sleeve and the sealing cover, which can not only prevent external dust from entering the internal roller bearings and ensure the normal use of the roller bearings, but also prevent the internal lubricating oil from leaking, save the amount of lubricating oil, and thus reduce the production cost. A positioning bearing is also arranged on the eccentric sleeve between the roller bearing and the positioning sleeve, so as to prevent the pressure of the pressure roller assembly from acting on the skeleton oil seal during operation, prevent the skeleton oil seal from being deformed, reduce the wear during use, and make the pressure roller assembly work more stably. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] For ease of explanation, the present invention is described in detail by the following specific implementations and drawings.
[0013] Figure 1 is a schematic diagram of a three-dimensional viewing angle of this embodiment;
[0014] Figure 2 is another three-dimensional perspective schematic diagram of this embodiment;
[0015] Figure 3 This is a schematic diagram of a front view of the present embodiment;
[0016] Figure 4 for Figure 3 Sectional view at AA;
[0017] Figure 5 for Figure 3 Schematic diagram of the three-dimensional perspective when the image is cut open at AA in the middle.
[0018] In the figure:
[0019] 10-eccentric shaft; 101-first oil channel; 20-eccentric sleeve; 201-second oil channel; 30-pressure wheel; 40-roller bearing; 50-positioning sleeve; 501-slot; 60-sealing cover; 70-skeleton oil seal; 80-bolt; 90-positioning bearing; 100-flange; 110-positioning block; 120-positioning key. DETAILED DESCRIPTION
[0020] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments; in the following description, specific details such as specific configurations and components are provided only to help fully understand the embodiments of the present invention. Therefore, it should be clear to those skilled in the art that various changes and modifications can be made to the embodiments described herein without departing from the scope and spirit of the present invention. In addition, for the sake of clarity and brevity, the description of known functions and structures is omitted.
[0021] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features thereof may be combined with each other.
[0022] like Figure 1-Figure 5 As shown, a double-sealed multi-bearing oil-saving pressure roller assembly provided by the present embodiment is installed on a briquetting machine and cooperates with a forming mold on the briquetting machine to roll straw or solid waste into briquettes; the pressure roller assembly includes an eccentric shaft 10, an eccentric sleeve 20, a pressure wheel 30, a roller bearing 40, a positioning sleeve 50, a sealing cover 60 and a skeleton oil seal 70; the middle cavity of the eccentric sleeve 20 is eccentrically arranged, and the eccentric shaft 10 is inserted into the middle cavity of the eccentric sleeve 20; the pressure wheel 30 is sleeved on the outside of the eccentric sleeve 20, and two roller bearings 40 are installed between the pressure wheel 30 and the eccentric sleeve 20; A first oil passage 101 axially penetrates the interior of the central shaft 10, and a second oil passage 201 radially penetrates the interior of the eccentric sleeve 20. The first oil passage 101 intersects and is connected with the second oil passage 201, and both ends of the second oil passage 201 are respectively connected to the gap between the two roller bearings 40; two positioning sleeves 50 are respectively sleeved on the eccentric sleeves 20 outside the roller bearings 40; a sealing cover 60 is sleeved on the outside of the positioning sleeve 50, and the sealing cover 60 covers the end of the pressure wheel 30 and is connected to the pressure wheel 30 by bolts 80; a skeleton oil seal 70 is installed between the sealing cover 60 and the positioning sleeve 50.
[0023] Specifically, the pressure roller assembly of the present embodiment is powered by a briquetting machine to rotate eccentrically. To ensure the normal operation of the eccentric sleeve 20, the roller bearing 40 and the pressure wheel 30, lubricating oil is injected into the first oil passage 101 of the eccentric shaft 10 during use, and then flows into the two roller bearings 40 through the second oil passage 201 of the eccentric sleeve 20 for lubrication. Positioning sleeves 50 and sealing covers 60 are installed at both ends and the inner side of the pressure wheel 30, and a skeleton oil seal 70 is installed between the positioning sleeves 50 and the sealing covers 60, which can not only prevent external dust from entering the internal roller bearings 40 and ensure the normal use of the roller bearings 40, but also prevent internal lubricating oil from leaking, save the amount of lubricating oil, and thus reduce production costs.
[0024] The pressure roller assembly of this embodiment also includes a positioning bearing 90, wherein the positioning bearing 90 is sleeved on the eccentric sleeve 20 between the roller bearing 40 and the positioning sleeve 50. The positioning bearing 90 is provided to avoid the pressure of the pressure roller assembly acting on the skeleton oil seal 70 during operation, prevent the skeleton oil seal 70 from deforming, and reduce wear during use.
[0025] In this embodiment, a flange 100 is integrally connected to the end of the eccentric sleeve 20, and the flange 100 is located above one of the positioning sleeves 50 to prevent the positioning sleeve 50 from being displaced along the axial direction of the eccentric sleeve 20; at the same time, a positioning block 110 is connected to the end of the eccentric sleeve 20 away from the flange 100 by a bolt 80, and a portion of the positioning block 110 is installed in the slot 501 of the other positioning sleeve 50, and its function is to fix the positioning sleeve 50 to prevent the positioning sleeve 50 from being displaced along the axial direction and outer circumference of the eccentric sleeve 20.
[0026] In this embodiment, a positioning key 120 is provided between the positioning sleeve 50 below the flange 100 and the eccentric sleeve 20 , and its function is to prevent the positioning sleeve 50 from being displaced along the outer circumference of the eccentric sleeve 20 .
[0027] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.
[0028] In the description of the present application, it should be understood that the terms "upper", "lower", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.
[0029] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of this application, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.
[0030] Those skilled in the art to which the present application belongs may make various modifications or additions to the described specific embodiments or replace them in a similar manner, but they will not deviate from the spirit of the present application or exceed the scope defined by the attached claims.
Claims
1. A double-seal multi-bearing oil-saving pressure roller assembly, characterized in that: It comprises an eccentric shaft (10), an eccentric sleeve (20), a pressure wheel (30), a roller bearing (40), a positioning sleeve (50), a sealing cover (60) and a skeleton oil seal (70); The central cavity of the eccentric sleeve (20) is eccentrically arranged, and the eccentric shaft (10) is inserted into the central cavity of the eccentric sleeve (20); the pressure wheel (30) is sleeved on the outside of the eccentric sleeve (20), and two roller bearings (40) are installed between the pressure wheel (30) and the eccentric sleeve (20); a first oil passage (101) axially penetrates the interior of the eccentric shaft (10), and a second oil passage (201) radially penetrates the interior of the eccentric sleeve (20), the first oil passage (101) and the second oil passage (201) intersect and communicate with each other, and the two ends of the second oil passage (201) are respectively connected to the gap between the two roller bearings (40); The two positioning sleeves (50) are respectively sleeved on the eccentric sleeve (20) outside the roller bearing (40); the sealing cover (60) is sleeved on the outside of the positioning sleeve (50), the sealing cover (60) covers the end of the pressure wheel (30), and is connected to the pressure wheel (30) through bolts (80); the skeleton oil seal (70) is installed between the sealing cover (60) and the positioning sleeve (50).
2. The double-seal multi-bearing oil-saving pressure roller assembly according to claim 1 is characterized in that: The pressure roller assembly also includes a positioning bearing (90), and the positioning bearing (90) is sleeved on the eccentric sleeve (20) between the roller bearing (40) and the positioning sleeve (50).
3. A double-seal multi-bearing oil-saving pressure roller assembly according to claim 1 or 2, characterized in that: The end of the eccentric sleeve (20) is integrally connected with a flange (100), and the flange (100) is located above one of the positioning sleeves (50).
4. The double-seal multi-bearing oil-saving pressure roller assembly according to claim 3 is characterized in that: The end of the eccentric sleeve (20) away from the flange (100) is connected to a positioning block (110) via a bolt (80), and the positioning block (110) is partially installed at the slot (501) of the positioning sleeve (50).
5. The double-seal multi-bearing oil-saving pressure roller assembly according to claim 4 is characterized in that: A positioning key (120) is provided between the positioning sleeve (50) below the flange (100) and the eccentric sleeve (20).