Wear-resistant eccentric shaft motor structure
By designing a hollow structure in the eccentric shaft motor to store lubricant and inject lubricant oil, the problem of wear of eccentric shaft and ball bearings is solved, extending the service life and improving the service life.
Patent Information
- Application Number
- CN202420714943.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-09
- Publication Date
- 2024-12-06
- Estimated Expiration
- 2034-04-09
AI Technical Summary
The existing eccentric shaft pneumatic motors have great wear and ball bearings during long rotation, which affects their service life.
A wear-resistant eccentric shaft motor structure is designed. By opening the inside of the eccentric shaft into a hollow structure to store lubricating oil, and injecting lubricating oil through the oil injection nozzle, the lubricating oil overflows to the contact surface between the eccentric shaft and the ball bearing through the oil outlet hole. Reduce friction and delay wear.
It effectively reduces the friction between the eccentric shaft and the ball bearing, extends the service life, improves the service life, and simplifies the structural design and is easy to use.
Smart Images

Figure CN222121603U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of plastic steel belt processing equipment, in particular to an anti-wear eccentric shaft motor structure. Background Art
[0002] PET plastic-steel packaging tape, also known as plastic-steel tape, is made of polyethylene terephthalate as the main raw material. It is a new type of environmentally friendly packaging material used to replace steel tape in the world. After the successful development of new materials and the substantial reduction in costs in recent years, it has been widely used in the steel industry, chemical fiber industry, aluminum ingot industry, paper industry, brick kiln industry, screw industry, tobacco industry, electronics industry, textile industry and wood industry, etc.
[0003] The existing PET strapping tape needs to be cut according to the specified length during production and processing. The cutting point of the PET strapping tape is used to make a head, and is hot-melt connected with another PET strapping tape by high-speed friction welding. In the cutting work of the PET strapping tape, a tape cutting and head making device is used;
[0004] The tape cutting and head making device generally adopts a pneumatic motor as a driving unit. However, in the existing eccentric shaft pneumatic motor, a ball bearing is directly mounted on the outside of the eccentric shaft. When the eccentric shaft rotates for a long time, there will be great wear between the eccentric shaft and the ball bearing, which affects the service life of both. Therefore, the utility model proposes an anti-wear eccentric shaft motor structure. Utility Model Content
[0005] The purpose of the utility model is to provide an anti-wear eccentric shaft motor structure to solve the problems raised in the above background technology.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a wear-resistant eccentric shaft motor structure, comprising a blade housing, an air motor is fixedly mounted on the outer wall on one side of the top end of the blade housing, an eccentric shaft body is fixedly mounted on the output end of the air motor, the interior of the eccentric shaft body is a hollow structure design, an oil filling port is arranged at the front end of the eccentric shaft body, an oil outlet hole is opened on one side of the upper surface of the eccentric shaft body, the oil outlet hole is communicated with the internal hollow groove, and an oil filling nozzle is arranged at the front end of the oil filling port of the eccentric shaft body.
[0007] Preferably, a mounting plate is provided at the oil outlet end of the oil filling nozzle, and the oil filling nozzle is mounted on the side wall of the blade housing through the mounting plate.
[0008] Preferably, a ball bearing is sleeved and installed on the outside of the eccentric shaft body.
[0009] Preferably, an inner conduction rod is installed on the ball bearing and inside the blade housing.
[0010] Compared with the prior art, the beneficial effects of the utility model are:
[0011] The utility model discloses an anti-wear eccentric shaft motor structure, which forms an internal oil storage tank by opening up the interior of the existing solid eccentric shaft, so that lubricating oil can be injected and stored. At the same time, during the continuous injection of the lubricating oil, the oil will eventually overflow through the oil outlet hole on the eccentric shaft, and the overflowed oil will lubricate the contact surface between the eccentric shaft and the ball bearing, and the injected lubricating oil can effectively reduce the contact friction effect between the two, reduce and delay the degree of wear between the structures, have a certain lubrication and anti-wear effect, can effectively increase the service life between the two, and improve the service life, have good practicality, and the overall structure is simple and easy to use. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 This is a schematic diagram of the overall structure of the motor drive unit of an embodiment of the utility model;
[0013] Figure 2 This is a schematic diagram of the upper surface structure of the eccentric shaft body of an embodiment of the utility model;
[0014] Figure 3 It is a schematic diagram of the connection structure between the eccentric shaft body and the ball bearing according to an embodiment of the utility model.
[0015] In the figure: 1. knife housing; 2. pneumatic motor; 3. eccentric shaft body; 4. oil filling port; 5. oil outlet hole; 6. mounting plate; 7. oil filling nozzle; 8. ball bearing; 9. inner conduction rod. DETAILED DESCRIPTION
[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0017] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.
[0018] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0019] See also Figure 1-3 The utility model provides an embodiment: an anti-wear eccentric shaft motor structure, including a knife shell 1, a pneumatic motor 2 is fixedly installed on the outer wall of one side of the top of the knife shell 1, and an eccentric shaft body 3 is fixedly installed on the output end of the pneumatic motor 2, so that the eccentric shaft body 3 can be driven to rotate by the pneumatic motor 2, and a ball bearing 8 is installed on the outer sleeve of the eccentric shaft body 3;
[0020] The interior of the eccentric shaft body 3 is designed as a hollow structure, thereby forming an internal oil storage tank, an oil filling port 4 is provided at the front end of the eccentric shaft body 3, an oil outlet hole 5 is opened on one side of the upper surface of the eccentric shaft body 3, and the oil outlet hole 5 is communicated with the internal hollow groove, and an oil filling nozzle 7 is provided at the front end of the oil filling port 4 of the eccentric shaft body 3;
[0021] In this structural design, the existing eccentric shaft body 3 has a solid structure inside. The utility model can store lubricating oil by opening up the inside of the existing eccentric shaft body 3 to form a hollow groove for storing oil;
[0022] When the eccentric shaft motor is actually used, lubricating oil can be injected through the provided oil filling nozzle 7, and the injected lubricating oil can enter the internal oil storage tank through the oil filling port 4 of the eccentric shaft body 3. During the continuous injection of the lubricating oil, the oil will fill the entire oil storage tank. At this time, an oil outlet hole 5 is opened above the oil storage tank, and excess lubricating oil will overflow through the oil outlet hole 5 and flow to the contact surface of the eccentric shaft body 3 and the ball bearing 8. Therefore, the injected lubricating oil can effectively reduce the friction effect between the two, thereby reducing structural wear, having a certain lubrication and anti-wear effect, and can effectively increase the service life of the two, having a better use effect.
[0023] In this embodiment, in order to illustrate the installation state of the oiling nozzle 7, a mounting plate 6 is provided at the oil outlet end of the oiling nozzle 7, and the oiling nozzle 7 is mounted on the side wall of the blade housing 1 through the mounting plate 6;
[0024] The oil outlet of the oil filling nozzle 7 extends into the interior of the blade housing 1 .
[0025] In this embodiment, in order to ensure normal driving effect, an inner conducting rod 9 is installed on the ball bearing 8 and inside the blade housing 1 .
[0026] Working principle: When the eccentric shaft motor is actually used, lubricating oil can be injected through the provided oil injection nozzle 7, and the injected lubricating oil can enter the internal oil storage tank through the oil injection port 4 of the eccentric shaft body 3. During the continuous injection of lubricating oil, the oil will fill the entire oil storage tank;
[0027] At this time, by opening an oil outlet hole 5 above the oil storage tank, excess lubricating oil will overflow through the oil outlet hole 5 and flow to the contact surface between the eccentric shaft body 3 and the ball bearing 8. The overflowing oil will lubricate the contact surface between the eccentric shaft and the ball bearing 8, so that the injected lubricating oil can effectively reduce the contact friction effect between the two, reduce and delay the degree of wear between the structures, have certain lubricating and anti-wear characteristics, can effectively increase the service life between the two, increase the service life, have a good use effect, and have a simple structure and are easy to use.
[0028] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.
Claims
1. A wear-resistant eccentric shaft motor structure, comprising a blade housing (1), characterized in that: An air motor (2) is fixedly mounted on the outer wall of one side of the top end of the blade housing (1); an eccentric shaft body (3) is fixedly mounted on the output end of the air motor (2); the interior of the eccentric shaft body (3) is of a hollow structure design; an oil filling port (4) is arranged at the front end of the eccentric shaft body (3); an oil outlet hole (5) is opened on one side of the upper surface of the eccentric shaft body (3); the oil outlet hole (5) is communicated with the internal hollow groove; and an oil filling nozzle (7) is arranged at the front end of the oil filling port (4) of the eccentric shaft body (3).
2. The wear-resistant eccentric shaft motor structure according to claim 1, characterized in that: The oil outlet end of the oil injection nozzle (7) is provided with a mounting plate (6), and the oil injection nozzle (7) is mounted on the side wall of the blade housing (1) via the mounting plate (6).
3. The wear-resistant eccentric shaft motor structure according to claim 1, characterized in that: A ball bearing (8) is sleeved and installed on the outside of the eccentric shaft body (3).
4. The wear-resistant eccentric shaft motor structure according to claim 3, characterized in that: An inner conducting rod (9) is installed on the ball bearing (8) and inside the blade housing (1).
