Slewing bearing lubricating device of bottle blowing machine

Abstract

The utility model discloses a slewing bearing lubricating device of a bottle blowing machine, and relates to the technical field of gear lubrication. The lubricating device comprises a lubricating gear meshed with a slewing bearing, and a lubricating shaft used for supporting the lubricating gear, the lubricating gear is rotationally mounted on the lubricating shaft; a plurality of oil outlet holes are evenly formed in the circumferential side of the lubricating gear, an oil supply channel is formed in the lubricating shaft, one end of the oil supply channel is connected with an oil inlet pipe, and the other end of the oil supply channel is communicated with the oil outlet holes so that lubricating oil can be evenly smeared on the slewing bearing. The lubricating gear is meshed on the peripheral side of the slewing bearing, the lubricating gear is rotatably mounted on the lubricating shaft, and the lubricating shaft is provided with the oil supply passage and is externally connected with the oil inlet pipe, so that lubricating oil is automatically smeared on the tooth surface of the slewing bearing, the slewing bearing still continues to rotate in the oiling process, the lubricating oil slowly enters, and the lubricating oil can be automatically smeared on the tooth surface of the slewing bearing. Multiple times of meshing are uniformly distributed on each tooth surface, so that the lubricating effect is improved, manpower is not needed, and the cost is saved.

Description

Technical Field

[0001] The utility model belongs to the technical field of gear lubrication, in particular to a slewing bearing lubrication device of a bottle blowing machine. Background Art

[0002] Rotary blow molding machine is a kind of equipment that makes plastic particles into hollow containers through the blow molding process. The more common models include: hollow extrusion blow molding machine using PP and PE for one-time molding, injection stretch blow molding machine using PET, PC or PP for two-time molding, and the newly developed multi-layer hollow extrusion blow molding and stretch blow molding. Most of the blow molding machines are still two-step blow molding machines, that is, the plastic raw materials must first be made into bottle blanks, and then blown.

[0003] This type of rotary bottle blowing machine requires the use of a slewing bearing, which is also called a turntable bearing. It is a large bearing that can withstand comprehensive loads and can simultaneously withstand large axial, radial loads and tilting moments. The slewing bearing is located in the center of the main machine and is the main part of the entire machine transmission. It is installed on the base, on which the rotating body is fixed to drive the bottle blowing machine to operate. When the equipment is running, the slewing bearing rotates at high speed and needs to be lubricated on the outer tooth surface. The existing lubricating oil is applied to the tooth surface manually with the help of tools, but this method has the following shortcomings:

[0004] On the one hand, due to the limitation of structural space, the application takes a long time and the application efficiency is low, which affects the production efficiency and has certain safety hazards;

[0005] On the other hand, manual application has poor uniformity, unsatisfactory lubrication effect, and excess lubricating oil will drip onto the frame and the ground after being squeezed, making it difficult to clean and polluting the working environment. Utility Model Content

[0006] The utility model aims to provide a slewing bearing lubricating device for a bottle blowing machine, which automatically applies lubricating oil to the tooth surface of the slewing bearing without manual operation by meshing a lubricating gear on the circumferential side of the slewing bearing, the lubricating gear is rotatably mounted on a lubricating shaft, and is externally connected to an oil inlet pipe, thereby solving the problems of manual lubricating oil application in the background technology, such as low efficiency, certain safety hazards, poor application uniformity, and easy pollution of the working environment.

[0007] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0008] The utility model discloses a slewing bearing lubricating device for a bottle blowing machine, comprising a lubricating gear meshing with the slewing bearing and a lubricating shaft for supporting the lubricating gear; the lubricating gear is rotatably mounted on the lubricating shaft; a plurality of oil outlet holes are evenly opened on the circumference of the lubricating gear, an oil supply passage is opened on the lubricating shaft, one end of the oil supply passage is connected with an oil inlet pipe, and the other end of the oil supply passage is connected with the oil outlet hole, so that the lubricating oil can be evenly applied to the slewing bearing.

[0009] As a preferred technical solution of the utility model, the oil outlet hole is opened at the tooth root of the lubrication gear.

[0010] As a preferred technical solution of the utility model, the oil supply passage includes an axial hole opened along the axial direction of the lubricating shaft and an oil inlet and an oil outlet opened along the radial direction of the lubricating shaft, and the oil inlet and the oil outlet are both connected to the axial hole. A straight-through oil nozzle is fixedly connected to one end of the oil inlet pipe, the straight-through oil nozzle is connected to the oil inlet, and the oil outlet is connected to the oil outlet hole.

[0011] As a preferred technical solution of the utility model, the lubrication gear is rotatably mounted on one end of the lubrication shaft, and the other end of the lubrication shaft is fixedly connected to a base for fixedly mounting the entire lubrication device.

[0012] As a preferred technical solution of the utility model, the circumferential side of the lubrication shaft is respectively sleeved with a first bearing and a second bearing on both sides of the oil outlet, and the lubrication gear is sleeved on the circumferential sides of the first bearing and the second bearing.

[0013] As a preferred technical solution of the utility model, the circumferential side of the lubricating shaft is sleeved with a first sealing ring on the outer side of the first bearing, and the circumferential side of the lubricating shaft is sleeved with a second sealing ring on the outer side of the second bearing, so as to ensure that the lubricating oil does not leak and impurities do not enter, thereby improving the service life of the entire lubrication device.

[0014] As a preferred technical solution of the utility model, the first bearing is arranged at one end away from the base, and an elastic retaining ring is provided between the first bearing and the first sealing ring to prevent the first bearing from falling off, and the elastic retaining ring is clamped with the peripheral side of the lubrication shaft.

[0015] As a preferred technical solution of the utility model, the lubricating gear adopts a nylon gear, which is light in weight and highly wear-resistant.

[0016] The utility model has the following beneficial effects:

[0017] 1. The utility model uses the circumferential meshing lubrication gear of the slewing bearing, and the lubrication gear is rotatably installed on the lubrication shaft. The lubrication shaft is provided with an oil supply passage, which is externally connected to an oil inlet pipe, so that the lubricating oil is automatically applied to the tooth surface of the slewing bearing. During the refueling process, the slewing bearing continues to rotate, and the lubricating oil slowly enters and is evenly distributed to each tooth surface through multiple meshing, thereby improving the lubrication effect, eliminating the need for manual labor, and saving costs.

[0018] 2. The utility model installs two bearings at both ends of the lubricating gear on the lubrication shaft. The internal bearings are also lubricated with lubricating oil, and the bearings are sealed with sealing rings at the top and bottom to ensure that the lubricating oil does not leak and impurities do not enter, thereby improving the service life of the entire lubrication device. The lubrication structure is simple to install and fix, easy to disassemble, and has a stable structure.

[0019] 3. The utility model adopts nylon material for the lubricating gear, which is light in weight, strong in wear resistance and good in self-lubricating performance. Each tooth groove inside is provided with an oil outlet to lubricate the meshing slewing bearing, and the lubrication effect is good.

[0020] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0022] Figure 1 It is a schematic diagram of the structure of the slewing bearing and lubrication device of the utility model;

[0023] Figure 2 It is a structural schematic diagram of the lubrication device;

[0024] Figure 3 for Figure 2 A half-section diagram of

[0025] Figure 4 This is a half-section schematic diagram of the lubrication device after removing the lubrication gear;

[0026] Figure 5 This is an exploded view of the lubrication device;

[0027] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0028] 1-slewing bearing, 2-lubricating gear, 201-oil outlet, 3-lubricating shaft, 301-shaft hole, 3011-oil inlet, 3012-oil outlet, 302-base, 303-plug, 4-oil inlet pipe, 401-straight oil nozzle, 5-first sealing ring, 6-elastic retaining ring, 7-first bearing, 8-second bearing, 9-second sealing ring. DETAILED DESCRIPTION

[0029] 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 of 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.

[0030] In the description of the present invention, it should be understood that terms such as "opening", "upper", "lower", "thickness", "top", "middle", "length", "inside", "all around" and the like indicating orientation or positional relationship are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0031] When the rotary bottle blowing machine is running, the slewing bearing 1 is in a high-speed rotating state, so the outer tooth surface of the slewing bearing 1 needs to be lubricated every once in a while. The existing lubricating oil relies on manual labor and tools to apply the lubricating oil to the tooth surface, which is time-consuming, and the manual application is not uniform, resulting in unsatisfactory lubrication effect. In addition, the time for manual refueling is difficult to grasp, and it is even easy to forget, resulting in poor lubrication effect. Based on this, the present embodiment provides a slewing bearing lubrication device for a bottle blowing machine, which can automatically apply the lubricating oil to the tooth surface of the slewing bearing 1. During the refueling process, the slewing bearing 1 continues to rotate, ensuring production efficiency. The lubricating oil slowly enters and is evenly distributed to each tooth surface through multiple meshing, thereby improving the lubrication effect, eliminating the need for manual labor, and saving costs.

[0032] Figure 1 is a schematic diagram of the structure of the slewing bearing 1 and the lubrication device in this embodiment. Figure 1 As can be seen in the figure, the lubrication device includes a lubrication gear 2 meshing with a slewing bearing 1, and a lubrication shaft 3 for supporting the rotation of the lubrication gear 2, and the lubrication shaft 3 is externally connected to an oil inlet pipe 4. The lubrication gear 2 is rotatably mounted on one end of the lubrication shaft 3, and a base 302 is welded to the other end of the lubrication shaft 3, and the base 302 is fixed to the mounting surface by bolts to fix the entire lubrication device.

[0033] See also Figure 2-Figure 4As shown, the circumferential side of the lubricating gear 2 is provided with an oil outlet hole 201 at the tooth root, and the lubricating shaft 3 is provided with an oil supply passage, which includes an axial hole 301 provided along the axial direction of the lubricating shaft 3 and an oil inlet 3011 and an oil outlet 3012 provided along the radial direction of the lubricating shaft 3, and the oil inlet 3011 and the oil outlet 3012 are both connected to the axial hole 301. A straight-through oil nozzle 401 is fixedly connected to one end of the oil inlet pipe 4, and the straight-through oil nozzle 401 is connected to the oil inlet 3011, and the oil outlet 3012 is connected to the oil outlet hole 201.

[0034] The shaft hole 301 is made by drilling the end surface of the lubrication shaft 3 , and after drilling, the hole is sealed by welding with a plug 303 .

[0035] In this embodiment, the installation of the lubricating shaft 3 and the lubricating gear 2 adopts the following structure: the circumferential side of the lubricating shaft 3 is respectively fitted with the first bearing 7 and the second bearing 8 on both sides of the oil outlet 3012, and the lubricating gear 2 is fitted on the circumferential side of the first bearing 7 and the second bearing 8. The first bearing 7 is located at the top, and the second bearing 8 is located at the bottom, and the first bearing 7 and the second bearing 8 are both deep groove ball bearings. The first bearing 7 is limited by the 204 shaft elastic retaining ring 6, and the elastic retaining ring 6 is clamped with the notch opened on the circumferential side of the lubricating shaft 3. The second bearing 8 is limited by the shaft step. The circumferential side of the lubricating shaft 3 is fitted with the first sealing ring 5 on the outer side of the first bearing 7, and the circumferential side of the lubricating shaft 3 is fitted with the second sealing ring 9 on the outer side of the second bearing 8. The first sealing ring 5 and the second sealing ring 9 are both lip-shaped sealing rings with internal skeleton rotating shafts, and the internal bearings are also lubricated with lubricating oil, and the upper and lower bearings are sealed with sealing rings to ensure that the lubricating oil does not leak and impurities do not enter, thereby improving the service life of the entire lubrication device.

[0036] A preferred action principle of this embodiment is: the lubricating oil in the lubricating system enters the lubricating shaft 3 from the oil inlet pipe 4, rises to the top from the oil path of the shaft hole 301, and then enters the gap between the lubricating gear 2 and the lubricating shaft 3 from the oil outlet 3012 to lubricate the first bearing 7 and the second bearing 8. Then, the lubricating oil is evenly distributed from the gap between the lubricating gear 2 and the lubricating shaft 3 to the oil outlet hole 201 on the lubricating gear 2, and penetrates from the oil outlet hole 201 to the tooth surface of each lubricating gear 2. The slewing bearing 1 rotates continuously, driving the lubricating gear 2 to rotate, and the lubricating oil on each tooth surface of the lubricating gear 2 is evenly and continuously applied to the outer tooth surface of the slewing bearing 1, thereby improving the lubrication effect. This process does not require manual processing, which is convenient for operation and saves labor costs.

[0037] In a preferred implementation of this embodiment, the lubricating gear 2 is a nylon gear, which is light in weight, highly wear-resistant and has good self-lubricating properties.

[0038] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0039] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A slewing bearing lubrication device for a bottle blowing machine, characterized in that: It comprises a lubricating gear (2) meshing with a slewing bearing (1), and a lubricating shaft (3) for supporting the lubricating gear (2); The lubrication gear (2) is rotatably mounted on the lubrication shaft (3); A plurality of oil outlet holes (201) are evenly formed on the circumference of the lubricating gear (2), an oil supply passage is formed on the lubricating shaft (3), one end of the oil supply passage is connected to an oil inlet pipe (4), and the other end of the oil supply passage is connected to the oil outlet hole (201), so that the lubricating oil can be evenly applied to the slewing bearing (1).

2. A slewing bearing lubrication device for a bottle blowing machine according to claim 1, characterized in that: The oil outlet hole (201) is disposed at the tooth root of the lubrication gear (2).

3. A slewing bearing lubrication device for a bottle blowing machine according to claim 1 or 2, characterized in that: The oil supply passage comprises an axial hole (301) opened along the axial direction of the lubricating shaft (3) and an oil inlet (3011) and an oil outlet (3012) opened along the radial direction of the lubricating shaft (3); the oil inlet (3011) and the oil outlet (3012) are both in communication with the axial hole (301); One end of the oil inlet pipe (4) is fixedly connected to a straight-through oil nozzle (401), the straight-through oil nozzle (401) is connected to the oil inlet (3011), and the oil outlet (3012) is communicated with the oil outlet hole (201).

4. A slewing bearing lubrication device for a bottle blowing machine according to claim 3, characterized in that: The lubrication gear (2) is rotatably mounted on one end of a lubrication shaft (3), and the other end of the lubrication shaft (3) is fixedly connected to a base (302).

5. A slewing bearing lubrication device for a bottle blowing machine according to claim 4, characterized in that: The circumferential side of the lubricating shaft (3) is respectively fitted with a first bearing (7) and a second bearing (8) on both sides of the oil outlet (3012), and the lubricating gear (2) is fitted on the circumferential side of the first bearing (7) and the second bearing (8).

6. A slewing bearing lubrication device for a bottle blowing machine according to claim 5, characterized in that: A first sealing ring (5) is sleeved on the outer side of the first bearing (7) on the circumferential side of the lubricating shaft (3), and a second sealing ring (9) is sleeved on the outer side of the second bearing (8) on the circumferential side of the lubricating shaft (3).

7. A slewing bearing lubrication device for a bottle blowing machine according to claim 6, characterized in that: The first bearing (7) is arranged at an end away from the base (302), and an elastic retaining ring (6) is arranged between the first bearing (7) and the first sealing ring (5) to prevent the first bearing (7) from falling off, and the elastic retaining ring (6) is clamped with the circumferential side of the lubrication shaft (3).

8. The slewing bearing lubrication device of a bottle blowing machine according to claim 7, characterized in that: The lubricating gear (2) is a nylon gear.

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