CN210050563U

CN210050563U - Bearing grease injection head and bearing grease injection device

Info

Publication number: CN210050563U
Application number: CN201920916856.1U
Authority: CN
Inventors: 张助河; 徐克剑
Original assignee: Fujian Yongan Bearing Co Ltd
Current assignee: Fujian Yongan Bearing Co Ltd
Priority date: 2019-06-18
Filing date: 2019-06-18
Publication date: 2020-02-11
Anticipated expiration: 2029-06-18

Abstract

The utility model discloses a fat head is annotated to bearing relates to bearing production facility field, annotate the fat head body of annotating of fat chamber including the area, the lower extreme of annotating fat head body is equipped with a plurality of notes fat pipes that are the annular and arrange and all be linked together with annotating the fat chamber for insert in the clearance between the double-phase adjacent roller of bearing when annotating fat. The utility model also discloses a bearing grease injection device, which comprises a workbench, a grease injection mechanism, a lifting mechanism, a connecting pipe and the bearing grease injection head, wherein the connecting pipe is arranged above the workbench in a way of moving up and down through the lifting mechanism; the lower end of the connecting pipe is connected with a bearing grease injection head, and the upper end of the connecting pipe is connected with a grease injection mechanism used for feeding lubricating grease into the bearing grease injection head. The utility model overcomes prior art's defect can realize even, accurate notes fat, has easy operation, annotates fat precision height and annotate fat advantage such as efficient.

Description

Bearing grease injection head and bearing grease injection device

Technical Field

The utility model belongs to the technical field of bearing production facility and specifically relates to a fat head is annotated to bearing and fat device is annotated to bearing.

Background

The bearing is an important part in the modern mechanical equipment and generally consists of an outer ring, an inner ring, a roller and a retainer. During the bearing assembly process, it is necessary to inject grease into the channel between the outer ring and the inner ring, i.e., the gap between two adjacent rollers. Because the clearance between two adjacent rollers is very small, if the grease injection amount is sufficient and uniform and the grease injection action is accurate and rapid, the precision of the grease injection device must be high enough.

The grease filling head of the prior grease filling device is usually provided with a plurality of cylindrical holes intermittently on the circumference, so as to form a grease filling channel. The grease injection channel of the grease injection head can not be completely matched with the gap between two adjacent rollers, so that the specified grease injection amount is difficult to be completely and uniformly and accurately injected into a bearing channel, lubricating grease is easy to accumulate on the end face of the retainer after coming out from the grease outlet and even overflows onto a workbench, the shortage of the grease injection amount is caused, the service life of a bearing is directly influenced, the lubricating grease is wasted, and the production cost is increased. Meanwhile, workers also need to frequently clean lubricating grease overflowing on the workbench, and the grease injection efficiency is seriously affected.

Disclosure of Invention

The utility model provides a fat head is annotated to bearing and fat device is annotated to bearing, its main aim at solve the current notes fat head of annotating the fat device and annotate the fat precision low, can't realize even and accurate notes fat to the notes fat volume that causes is not enough, lubricating grease is extravagant and annotate the problem of fat inefficiency etc.

The utility model adopts the following technical scheme:

a grease injection head for a bearing comprises a grease injection head body with a grease injection cavity, wherein a plurality of grease injection pipes which are annularly arranged and communicated with the grease injection cavity are arranged at the lower end of the grease injection head body and are used for being inserted into a gap between two adjacent rollers of the bearing during grease injection.

Furthermore, the lower end of the grease injection head body is provided with an annular boss communicated with the grease injection cavity, the lower end face of the annular boss is provided with a plurality of mounting holes, and each mounting hole is fixedly connected with one grease injection pipe.

A bearing grease injection device comprises a workbench, a grease injection mechanism, a lifting mechanism, a connecting pipe and a bearing grease injection head with the structure, wherein the connecting pipe is arranged above the workbench in a manner of moving up and down through the lifting mechanism; the lower end of the connecting pipe is connected with the bearing grease injection head, and the upper end of the connecting pipe is connected with the grease injection mechanism for feeding lubricating grease into the bearing grease injection head.

Further, the grease injection mechanism comprises a grease injection pump, a hose and a proportional valve which are sequentially connected, an upper connecting disc and a lower connecting disc are respectively arranged at the upper end and the lower end of the connecting pipe, the grease outlet end of the proportional valve is connected to the upper connecting disc, and the upper end of the bearing grease injection head is connected to the lower connecting disc.

Further, above-mentioned elevating system includes mounting panel, guide arm and cylinder, and the cylinder body of above-mentioned cylinder sets firmly in above-mentioned workstation through the vertical decurrent ground of a plurality of above-mentioned guide arms, and the one end of above-mentioned mounting panel sets firmly in above-mentioned connecting pipe, the other end can set up in a plurality of above-mentioned guide arms with reciprocating and with the piston rod of cylinder is connected.

Further, the automatic correction device also comprises an automatic correction mechanism which enables the gaps between the plurality of grease injection pipes and two adjacent rollers of the bearing on the workbench to be aligned up and down one by one.

Further, the automatic correction mechanism comprises a turntable, a motor, a bracket and a photoelectric sensor, wherein the turntable is rotatably arranged on the workbench and is positioned under the bearing grease injection head, the turntable is connected with the motor which enables the turntable to rotate, and the photoelectric sensor is adjustably erected on the workbench through the bracket and is positioned obliquely above the turntable and is used for detecting whether a gap between the grease injection pipe and two adjacent rollers of the bearing is aligned up and down; the photoelectric sensor is electrically connected with the controller of the motor.

Compared with the prior art, the utility model discloses the beneficial effect who produces lies in:

1. the utility model provides a grease head is annotated to bearing, annotate the first body of fat of notes in fat chamber including the area, the lower extreme of annotating fat head body is equipped with a plurality ofly and is the annular arrange and all annotate the fat pipe that the fat chamber is linked together, annotates the fat pipe and can insert and annotate the fat in the clearance between the double-phase adjacent roller of bearing to it is even, accurate to guarantee to annotate the fat, and can prevent effectively that lubricating grease from spilling over to the workstation because of piling up on the terminal surface of retainer, has solved prior art's defect effectively.

2. The utility model discloses a be provided with automatic correction mechanism on fat device is annotated to the bearing to realize the purpose that the angle was put to the automatic correction bearing, make the clearance between annotating fat pipe and the double-phase adjacent roller of bearing align from top to bottom one by one, not only improved and annotated the fat degree of accuracy, improved moreover and annotated fat efficiency.

To sum up, the utility model discloses can realize even, accurate notes fat, have easy operation, annotate the fat precision high and annotate fat advantage such as efficient.

Drawings

Fig. 1 is a perspective view of a bearing grease injection head provided in an embodiment of the present invention.

Fig. 2 is a front view of a bearing grease injection device provided by an embodiment of the present invention.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings. Numerous details are set forth in the following description in order to provide a thorough understanding of the present invention, but it will be apparent to one skilled in the art that the present invention may be practiced without these details.

Referring to fig. 1 and 2, a bearing grease injection device includes a worktable 1, a grease injection mechanism 2, a lifting mechanism 3, a connecting pipe 23 and a bearing grease injection head 22, wherein the connecting pipe 23 is arranged above the worktable 1 in a manner of moving up and down through the lifting mechanism 3; the lower end of the connection pipe 23 is connected to a bearing grease injection head 22, and the upper end is connected to a grease injection mechanism 2 for feeding grease into the bearing grease injection head 22.

Referring to fig. 1 and 2, the bearing grease injecting head 22 includes a grease injecting head body 221 with a grease injecting cavity (not shown), and a plurality of grease injecting pipes 222 arranged annularly and communicated with the grease injecting cavity are disposed at a lower end of the grease injecting head body 221 for being inserted into a gap between two adjacent rollers of the bearing 4 during grease injection. The principle and structure of the grease injection cavity belong to the prior art, and those skilled in the art can understand and implement the grease injection cavity structure of the existing bearing grease injection head by referring to the above description, so that detailed description is omitted here. Grease injection pipe 222 can be inserted into the gap between two adjacent rollers of bearing 4 to inject grease, so as to ensure uniform and accurate grease injection, and effectively prevent grease from overflowing to workbench 1 due to accumulation on the end face of the retainer.

Referring to fig. 1 and 2, an annular boss 223 communicated with the grease injection cavity is disposed at a lower end of the grease injection head body 221, a plurality of mounting holes (not shown) are disposed on a lower end surface of the annular boss 223, and a grease injection pipe 222 is fixedly connected to each mounting hole. The annular boss 223 is adapted to the bearing 4 so that the grease injection tube 222 is more easily inserted into the gap between two adjacent rollers of the bearing 4.

Referring to fig. 2, the grease injection mechanism 2 includes a grease injection pump (not shown), a hose 24, and a metering valve 21, which are connected in sequence, an upper connection plate 231 and a lower connection plate 232 are respectively provided at the upper and lower ends of the connection pipe 23, a grease outlet end of the metering valve 21 is connected to the upper connection plate 231, and an upper end of the bearing grease injection head 22 is connected to the lower connection plate 232. The working principle of the grease injection pump, the hose 24 and the metering valve 21 belongs to the prior art, and workers in the field can refer to the specific structure and working principle of the existing grease injection mechanism to implement the working principle, so that the detailed description is omitted. However, the grease injection mechanism 2 is not limited to this, and other different grease injection mechanisms can be selected according to actual needs to be assembled with the bearing grease injection head 22 provided in this embodiment.

Referring to fig. 2, the lifting mechanism 3 includes a mounting plate 32, guide rods 33 and a cylinder 31, a cylinder body 311 of the cylinder 31 is fixedly mounted on the worktable 1 through the guide rods 33 vertically downward, one end of the mounting plate 32 is fixedly mounted on the connecting pipe 23, and the other end is movably mounted on the guide rods 33 up and down and is connected with a piston rod 312 of the cylinder 31. However, the lifting mechanism 3 is not limited to this, and may be another driving mechanism capable of driving the connecting pipe 23 to lift up and down.

Referring to fig. 2, the bearing grease filling apparatus further includes an automatic aligning mechanism 11 for aligning the plurality of grease filling pipes 222 with gaps between two adjacent rollers of the bearing 4 on the table 1 one above another.

Referring to fig. 2, the automatic aligning mechanism 11 includes a turntable 111, a motor 112, a bracket 113 and a photoelectric sensor 114, the turntable 111 is rotatably disposed on the workbench 1 and located right below the bearing grease filling head 22, the turntable 111 is connected to the motor 112 for rotating the turntable 111, and the photoelectric sensor 114 is adjustably mounted on the workbench 1 and located obliquely above the turntable 111 through the bracket 113 for detecting whether the gap between the grease filling pipe 222 and two adjacent rollers of the bearing 4 is aligned vertically; the photosensor 114 is electrically connected to the controller of the motor 112.

Referring to fig. 2, the photoelectric sensor 114 determines whether the gap between two adjacent rollers of the bearing 4 is aligned with the grease filling pipe 222 according to the intensity of light irradiated to the gap between the two adjacent rollers, and when the gap between the rollers is detected to be misaligned with the grease filling pipe 222, the controller controls the motor 112 to rotate, so that the bearing 4 on the turntable 111 rotates, and the purpose of automatic correction is achieved. The installation angle of the photoelectric sensor 114 is adjustable, so that the photoelectric sensor can be matched with bearings 4 of different types or different models, the angle-adjustable bracket 113 in the market has more types, and can be selected according to actual needs, and the specific structure of the bracket is not repeated.

Referring to fig. 2, before rotating the turntable 111, the axes of the turntable 111 and the bearing 4 need to be aligned with each other to ensure that the two can rotate synchronously, thereby achieving the purpose of automatic correction. The method for realizing mutual coincidence and alignment of the shaft axes of the two objects is multiple, and a proper scheme can be selected and implemented according to actual production requirements. Two general schemes are provided below: firstly, a step conveyor (not shown in the figure) can be assembled on the workbench 1, and the step conveyor not only can realize automatic feeding of the bearing 4, but also can enable the axial leads of the turntable 111 and the bearing 4 to coincide; secondly, a circular boss (not shown in the figure) can be arranged at the axial lead position of the turntable 111, and the inner ring of the bearing 4 is sleeved on the circular boss in a manual feeding alignment mode.

With reference to fig. 1 and 2, a specific embodiment of the present invention is illustrated:

placing the bearing 4 on the turntable 111 of the workbench 1, and enabling the axial leads of the turntable 111 and the bearing 4 to be superposed and aligned with each other; the photoelectric sensor 114 detects a gap between two adjacent rollers of the bearing 4, and when the gap is not aligned with the grease injection pipe 222, the motor controls the rotation of the turntable 111, so as to drive the bearing 4 to rotate by a certain angle; when the detection gap is aligned with the grease injection pipe 222, the rotation of the turntable 111 is stopped; at this time, the cylinder 31 acts, and the piston rod 312 drives the connecting pipe 23 to move downwards, so that the grease injecting pipe 222 of the bearing grease injecting head 22 is inserted into the gap between two adjacent rollers of the bearing 4; the grease injection mechanism 2 acts to extract a certain amount of grease and inject the grease into the gap between two adjacent rollers of the bearing 4 through the bearing grease injection head 22; the cylinder 31 acts, the piston rod 312 drives the connecting pipe 23 to move upwards, the bearing grease injection head 22 is reset, and the grease injection process is completed.

The above-mentioned be the utility model discloses a concrete implementation way, nevertheless the utility model discloses a design concept is not limited to this, and the ordinary use of this design is right the utility model discloses carry out immaterial change, all should belong to the act of infringement the protection scope of the utility model.

Claims

1. The utility model provides a fat head is annotated to bearing, annotates fat head body, its characterized in that of fat chamber including the area: and the lower end of the grease injection head body is provided with a plurality of grease injection pipes which are annularly arranged and communicated with the grease injection cavity, and the grease injection pipes are inserted into a gap between two adjacent rollers of the bearing during grease injection.

2. A bearing grease injection head as claimed in claim 1, wherein: the lower end of the grease injection head body is provided with an annular boss communicated with the grease injection cavity, the lower end face of the annular boss is provided with a plurality of mounting holes, and each mounting hole is fixedly connected with one grease injection pipe.

3. The utility model provides a fat device is annotated to bearing which characterized in that: the bearing grease injecting head comprises a workbench, a grease injecting mechanism, a lifting mechanism, a connecting pipe and the bearing grease injecting head with the structure as claimed in claim 1 or 2, wherein the connecting pipe is arranged above the workbench in a manner of moving up and down through the lifting mechanism; the lower end of the connecting pipe is connected with the bearing grease injection head, and the upper end of the connecting pipe is connected with the grease injection mechanism used for feeding lubricating grease into the bearing grease injection head.

4. A bearing grease injection device according to claim 3, wherein: annotate fat mechanism including annotating fat pump, hose and the proportional valve that connects gradually, the upper and lower end of connecting pipe is equipped with connection pad and lower connection pad respectively, the play fat end of proportional valve connect in go up the connection pad, the upper end of fat head is annotated to the bearing connect in lower connection pad.

5. A bearing grease injection device according to claim 3, wherein: elevating system includes mounting panel, guide arm and cylinder, the cylinder body of cylinder is through a plurality of the guide arm sets firmly downwards the workstation, the one end of mounting panel set firmly in the connecting pipe, the other end can set up with reciprocating in a plurality of the guide arm and with the piston rod of cylinder is connected.

6. A bearing grease injection apparatus as claimed in claim 3, 4 or 5, wherein: the automatic correction mechanism is used for aligning the gaps between the plurality of grease injection pipes and two adjacent rollers of the bearing on the workbench one by one.

7. The grease injection device for a bearing according to claim 6, wherein: the automatic correction mechanism comprises a turntable, a motor, a support and a photoelectric sensor, the turntable is rotatably arranged on the workbench and is positioned under the grease injection head of the bearing, the turntable is connected with the motor which enables the turntable to rotate, and the photoelectric sensor is adjustably erected on the workbench through the support and is positioned obliquely above the turntable and is used for detecting whether a gap between the grease injection pipe and two adjacent rollers of the bearing is aligned up and down; the photoelectric sensor is electrically connected with a controller of the motor.