CN216742484U

CN216742484U - Bearing grease pre-injection device

Info

Publication number: CN216742484U
Application number: CN202220265068.2U
Authority: CN
Inventors: 刘勇; 周晶; 张帮宁
Original assignee: Xi'an Xima Motor Co ltd
Current assignee: Xi'an Xima Motor Co ltd
Priority date: 2022-02-09
Filing date: 2022-02-09
Publication date: 2022-06-14
Anticipated expiration: 2032-02-09

Abstract

The utility model belongs to the technical field of motor manufacturing, and relates to a bearing grease pre-injection device which can be applied to production and manufacturing of small motors. The device comprises a base and a rotary worktable positioned above the base, wherein one end of the rotary worktable is fixed on the base through a rotating shaft and can rotate around the rotating shaft, and the other end of the rotary worktable is fixed on the base through a support rack; the rotary worktable is characterized in that a height adjusting block, a cantilever support and a pressing device are sequentially arranged above the rotary worktable from bottom to top, the height adjusting block is located right above the rotary shaft, one end of the cantilever support is fixed with the height adjusting block through the pressing device, a grease injecting pipe joint is installed at the other end of the cantilever support and is connected with a grease injecting pipe, lubricating grease is injected into a grease injecting disc below the cantilever support through the grease injecting pipe, and a bearing is placed between the grease injecting disc and the rotary worktable. By providing the pressure-adjustable grease injection bearing, a grease film is formed before the bearing is used, so that the abrasion of the bearing in use is effectively reduced, and the service life of the bearing is prolonged.

Description

Grease pre-injection device for bearing

Technical Field

The utility model belongs to the technical field of motor manufacturing, relates to a rolling bearing for a small motor, and particularly relates to a bearing grease pre-injection device.

Background

At present, before the motor is assembled, lubricating grease is injected into a bearing in advance, tools such as a manual handheld grease scraper or a handheld grease injection gun are adopted to paint the lubricating grease on the bearing, or the lubricating grease is painted in grease storage grooves of an inner oil cover and an outer oil cover of the bearing, so that the bearing in the motor is lubricated during operation. The work efficiency of doing so is very poor, and lubricating grease is difficult to fully get into inside the bearing to form effective grease film, lead to bearing life-span reduction, the motor is easy to appear abnormal sound and vibration. In addition, some manufacturers inject lubricating grease by using a machine after assembly, so that the lubricating effect is poorer, and the service life of a motor bearing is rapidly shortened due to overhigh temperature rise.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to overcoming the above-mentioned disadvantages of the prior art and providing a bearing grease pre-filling apparatus that forms a grease film before the bearing is used.

The purpose of the utility model is solved by the following technical scheme:

this kind of bearing grease priming device includes: the rotary worktable comprises a base and a rotary worktable positioned above the base, wherein one end of the rotary worktable is fixed on the base through a rotating shaft and can rotate around the rotating shaft, and the other end of the rotary worktable is fixed on the base through a support rack; the rotary worktable is characterized in that a height adjusting block, a cantilever support and a pressing device are sequentially arranged above the rotary worktable from bottom to top, the height adjusting block is located over the rotary shaft, one end of the cantilever support is fixed with the height adjusting block through the pressing device, the other end of the cantilever support is provided with a grease injecting pipe joint, the grease injecting pipe joint is connected with a grease injecting pipe, lubricating grease is injected into a grease injecting disc below the cantilever support through the grease injecting pipe, and a bearing is placed between the grease injecting disc and the rotary worktable.

Furthermore, the compressing device comprises a compression nut and a first compressing device, the compression nut is positioned between the height adjusting block and the cantilever support, and the first compressing device is positioned above the cantilever support and compresses the grease injection disc and the bearing through the cantilever support.

Furthermore, the first pressing device and the cantilever support, the cantilever support and the pressing nut, and the pressing nut and the height adjusting block are all pressed and fixed in a threaded connection mode.

Furthermore, a grease injection pipe support is fixed above the pressing device.

Further, a support handle is mounted on the support stand.

Further, the grease injection disc comprises a hole disc, and a groove disc is assembled above the hole disc; the hole plate is provided with a plurality of grease injection holes, the groove plate is provided with grease inlet holes and grease guide grooves with the same number as the grease injection holes, and the grease guide grooves are communicated with the grease injection holes up and down; the grease guide grooves are distributed along the radial direction of the groove disc and are intersected at the grease inlet holes.

Furthermore, a positioning guide strip is further arranged on the hole disc.

Furthermore, the grease guide grooves are uniformly distributed along the radial direction of the groove disc, the circle centers of the grease injection holes are uniformly distributed on the same graduated circle, and the grease guide grooves are communicated with the grease injection holes up and down.

Further, the end part of the grease guide groove on the radial circumference is in a closed state.

Further, still include notes fat pump, it is continuous with notes fat pipe to annotate the fat pump.

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects: through annotating the fat dish and installing to the bearing and annotating the fat device in advance, through providing adjustable pressure fat, pour into the bearing, form the grease film before the bearing uses, solve among the prior art problem that the bearing can not just form effective grease film before the operation to reduce the wearing and tearing of bearing when using effectively, prolong the bearing life, and noise, vibration and abnormal sound when reducing the bearing initial use.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description, serve to explain the principles of the utility model.

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a structural diagram of a bearing grease pre-injection device provided by the utility model;

FIG. 2 is a cross-sectional view of a grease injection disk provided by the present invention;

FIG. 3 is a block diagram of a slot disk provided by the present invention;

fig. 4 is a structural view of a hole plate provided by the present invention.

Wherein: 1. a base; 2. a rotating shaft; 3. rotating the working table; 4. a height adjusting block; 5. a compression nut; 6. a cantilever support; 7. a first pressing device; 8. a grease injection pipe bracket; 9. a grease injection pipe; 10. a grease injection pipe joint; 11. a grease injection disc; 12. a bracket handle; 13. a grooved disc; 14. a hole plate; 15. a grease injection hole; 16. a fat inlet hole; 17. a grease guide groove; 18. positioning the conducting bar; 19. and (5) a bearing.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus consistent with certain aspects of the utility model, as detailed in the appended claims.

In order to make those skilled in the art better understand the technical solution of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings and examples.

Examples

Referring to fig. 1, the present invention provides a bearing grease pre-injection device, including: the rotary worktable comprises a base 1 and a rotary worktable 3 positioned above the base 1, wherein one end of the rotary worktable 3 is fixed on the base 1 through a rotating shaft 2 and can rotate around the rotating shaft 2, and the other end of the rotary worktable 3 is fixed on the base 1 through a support rack; the top of swivel work head 3 is by supreme altitude mixture control piece 4, cantilever support 6 and closing device of having set gradually down, altitude mixture control piece 4 is located pivot 2 directly over, cantilever support 6's one end is fixed through closing device with altitude mixture control piece 4, and the other end is installed and is annotated fat coupling 10, annotate fat coupling 10 and annotate fat pipe 9 and be connected, in grease is through annotating the notes fat dish 11 of fat pipe 9 injection cantilever support 6 below, it places bearing 19 between fat dish 11 and the swivel work head 3 to annotate.

Further, the compressing device comprises a compression nut 5 and a first compressing device 7, the compression nut is located between the height adjusting block 4 and the cantilever support 6, the first compressing device 7 is located above the cantilever support 6, and the compression of the grease injecting disc 11 and the bearing 19 is achieved through the cantilever support 6.

Further, the first pressing device 7 and the cantilever support 6, the cantilever support 6 and the pressing nut 5, and the pressing nut 5 and the height adjusting block 4 are all pressed and fixed in a threaded connection mode.

Furthermore, a grease injection pipe support 8 is fixed above the pressing device.

Further, the post stand is mounted with a stand handle 12.

Further, as shown in fig. 2-4, the grease injection plate 11 comprises a hole plate 14, and a groove plate 13 is arranged above the hole plate 14; the hole plate 14 is provided with a plurality of grease injection holes 15, the groove plate 13 is provided with grease inlet holes 16 and grease guide grooves 17 with the same number as the grease injection holes 15, and the grease guide grooves 17 are communicated with the grease injection holes 15 up and down; the grease guide grooves 17 are distributed along the radial direction of the groove disc 13 and meet at the grease inlet holes 16.

Optionally, the grease injection holes 15 are round holes or elliptical holes.

Further, a positioning guide bar 18 is also arranged on the hole plate 14.

Further, the grease guide grooves 17 are uniformly distributed along the radial direction of the groove disc 13, the circle centers of the grease injection holes 15 are uniformly distributed on the same graduated circle, and the grease guide grooves 17 are communicated with the grease injection holes 15 up and down.

Further, the ends of the grease guide grooves 17 on the radial circumference are closed.

Further, the device still includes annotates the fat pump, annotate the fat pump and link to each other with annotating fat pipe 9, and annotate the fat pump and be adjustable pump, adjustable pump uses compressed gas or motor to work as the power supply.

Furthermore, the grease injection plate can be replaced according to the type of the bearing, and the workbench can realize single station or multiple stations.

In summary, the bearing grease pre-injection device provided by the utility model has the following specific working process:

before use, according to the type of a workpiece (a bearing 19), selecting a corresponding grease injection disc 11 and assembling the grease injection disc onto the bearing pre-grease injection device; then, a proper height adjusting block 4 is selected and installed, then the height adjusting block is pressed by a compression nut 5, the height adjusting block is connected with a grease injection pipe 9 through a grease injection pipe joint 10 and installed on a cantilever support 6, a rotary workbench 3 is screwed out, a workpiece (bearing 19) to be greased is placed in the rotating workbench 3, the rotary workbench 3 is screwed back, the workpiece (bearing 19) to be greased is limited at a proper position through a positioning guide strip 18 of a grease injection disc 11, the grease injection disc 11 and the workpiece (bearing 19) to be greased are pressed tightly through the cantilever support 6 by a first pressing device 7, the grease injection amount is adjusted according to the model of the bearing, the grease injection amount of a grease injection pump is adjusted to a corresponding value, a switch is started to start grease injection, the grease injection quality is stable, the structure is simple, the use method is simple and convenient, the grasping is easy, and the grease injection pump is suitable for being used in batch production or single production in factories. The grease injection device injects grease into the bearing 19 by providing pressure-adjustable grease, and forms a grease film before the bearing 19 is used, so that the problem that the bearing 19 cannot form an effective grease film before operation in the prior art is solved, the abrasion of the bearing 19 in use is effectively reduced, the service life of the bearing 19 is prolonged, and the noise, vibration and abnormal sound of the bearing 19 in initial use are reduced.

Above-mentioned fat device is annotated to bearing changes the method that originally manual work was paintd or handheld notes fat rifle notes fat to the automatic ration of machinery and annotates fat, in convenient, better assurance the stability of fat quality is annotated to the bearing, improves the bearing and annotates fat efficiency and change when moving and form effective grease film, improves the stability of bearing life-span and motor operation.

The foregoing are merely exemplary embodiments of the present invention, which enable those skilled in the art to understand or practice the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model.

It is to be understood that the present invention is not limited to what has been described above, and that various modifications and changes may be made without departing from the scope thereof. The scope of the utility model is limited only by the appended claims.

Claims

1. A bearing grease pre-injection device is characterized by comprising: the rotary table comprises a base (1) and a rotary worktable (3) positioned above the base (1), wherein one end of the rotary worktable (3) is fixed on the base (1) through a rotating shaft (2) and can rotate around the rotating shaft (2), and the other end of the rotary worktable (3) is fixed on the base (1) through a support rack; the top of swivel work head (3) is by supreme altitude mixture control piece (4), cantilever (6) and closing device of having set gradually down, altitude mixture control piece (4) are located pivot (2) directly over, the one end of cantilever (6) is fixed through closing device with altitude mixture control piece (4), and grease pipe joint (10) are installed to the other end, annotate grease pipe joint (10) and annotate fat pipe (9) and be connected, in grease dish (11) are annotated to grease pipe (9) injection cantilever (6) below, it places bearing (19) between grease dish (11) and swivel work head (3) to annotate.

2. The bearing grease pre-injection device according to claim 1, characterized in that the compression device comprises a compression nut (5) and a first compression device (7), the compression nut (5) is positioned between the height adjusting block (4) and the cantilever support (6), the first compression device (7) is positioned above the cantilever support (6), and the compression of the grease injection disk (11) and the bearing (19) is realized through the cantilever support (6).

3. The bearing pre-greasing device according to claim 2, characterized in that the first compression device (7) and the cantilever support (6), the cantilever support (6) and the compression nut (5), and the compression nut (5) and the height adjusting block (4) are all compressed and fixed in a threaded manner.

4. The bearing grease pre-filling device according to claim 1, characterized in that a grease filling pipe bracket (8) is fixed above the compressing device.

5. A bearing priming device according to claim 1, wherein the strut carriage is fitted with a cradle handle (12).

6. Bearing priming device according to claim 1, characterized in that the priming plate (11) comprises a hole plate (14), above which hole plate (14) a grooved plate (13) is fitted; the hole plate (14) is provided with a plurality of grease injection holes (15), the groove plate (13) is provided with grease inlet holes (16) and grease guide grooves (17) with the same number as the grease injection holes (15), and the grease guide grooves (17) are communicated with the grease injection holes (15) up and down; the grease guide grooves (17) are distributed along the radial direction of the groove disc (13) and are intersected at the grease inlet holes (16).

7. A bearing grease-pre-filling device according to claim 6, characterized in that the orifice disc (14) is further provided with positioning guide bars (18).

8. The bearing grease pre-injection device according to claim 6, wherein the grease guide grooves (17) are uniformly distributed along the radial direction of the groove disc (13), the centers of the grease injection holes (15) are uniformly distributed on the same reference circle, and the grease guide grooves (17) are communicated with the grease injection holes (15) up and down.

9. A bearing grease priming device according to claim 6, characterized in that the ends of the grease guide grooves (17) on the radial circumference are closed.

10. The bearing pre-greasing device according to claim 1, further comprising a grease pump connected to the grease injection tube (9).