CN209245098U - Bearing assembly, speed reducer and industrial robot - Google Patents

Abstract

The utility model provides a kind of bearing assembly, speed reducer and industrial robot.Bearing assembly, comprising: bearing block, for installing bearing；Bearing (ball) cover, lid are located at the outside of bearing, connect with bearing block；Wherein, the junction of bearing block and bearing (ball) cover is equipped with the first sealing ring, to seal the gap between bearing (ball) cover and bearing block.Using the technical solution of the utility model, it is ensured that bearing assembly has good sealing performance, effectively prevent the leakage of lubricating oil, guarantees that bearing assembly works in good lubricant environment.

Description

Bearing assembly, speed reducer and industrial robot

Technical field

The utility model relates to Industrial Robot Technology fields, in particular to a kind of bearing assembly, speed reducer and work Industry robot.

Background technique

When carrying out the assembly of mandrel and bearing, lubricating oil can be injected in oil pocket, to guarantee between mandrel and bearing Lubrication reduces abrasion.In the course of work of speed reducer, lubricating oil is easy to be flowed out by the interface of each connector, causes to moisten Lubricating oil is lost, and is made the serious wear between mandrel and bearing, is reduced the service life of speed reducer, influences the normal work of speed reducer, And leads to speed reducer bad order, influence the usage experience of user.

Oil seepage in order to prevent, in the prior art, be typically employed in the mode of interface position applying paste into Row sealing.But using the mode of sealant sealing, there are at high cost, the easy non-uniform defects of smearing.Carrying out assembler When making, the case where smearing waste can be generated, and clear up in maintenance or disassembly relatively difficult.

Utility model content

The main purpose of the utility model is to provide a kind of bearing assembly, speed reducer and industrial robots, existing to solve There is the problem of lubricating oil in technology axis bearing assembly is easy leakage.

To achieve the goals above, one aspect according to the present utility model provides a kind of bearing assembly, comprising: axis Seat is held, for installing bearing；Bearing (ball) cover, lid are located at the outside of bearing, connect with bearing block；Wherein, bearing block and bearing end The junction of lid is equipped with the first sealing ring, to seal the gap between bearing (ball) cover and bearing block.

Further, bearing assembly further include: mandrel mounting base, for installing mandrel；Second sealing ring, be located at mandrel with Between mandrel mounting base, to seal the gap between mandrel and mandrel mounting base.

Further, bearing assembly further includes the oil sealing for being set in mandrel periphery.

Further, end face of at least partly outer peripheral surface, oil sealing of mandrel far from mandrel mounting base, bearing are far from bearing end The end face of lid and at least partly inner wall of bearing block surround the oil pocket of bearing assembly, are marked with lubricating oil in oil pocket.

Further, oil sealing is felt circle or rubber ring.

Further, bearing is rolling bearing.

Further, it is interference fitted between mandrel and mandrel mounting base.

Further mandrel towards one end of mandrel mounting base be equipped with for by mandrel by the spiral shell that is removed in mandrel mounting base Pit.

Further, bearing assembly further includes fastener, and mandrel is installed to mandrel mounting base.

To achieve the goals above, one aspect according to the present utility model provides a kind of speed reducer, including reducing gear Roller box and the bearing assembly connecting with reduction gear box, bearing assembly are above-mentioned bearing assembly.

Another aspect according to the present utility model, provides a kind of industrial robot, including articulation mechanism and with joint machine The speed reducer of structure connection, speed reducer are above-mentioned speed reducer.

Using the technical solution of the utility model, due to being provided with the first sealing ring, so as to bearing (ball) cover and axis The gap held between seat is effectively sealed, and the oil seepage in bearing assembly is prevented.In compared with the existing technology, by For each interface applying paste of bearing assembly is sealed, the first sealing ring in the present embodiment is effectively to bearing block Gap between bearing (ball) cover is sealed, and avoids at high cost caused by being sealed using sealant, is easy to smear uneven Defect.And then the case where avoiding when carrying out assembly work, smearing waste can be generated, and ratio is cleared up in maintenance or disassembly More difficult problem.Therefore, by above-mentioned setting, it ensure that leakproofness is good between bearing (ball) cover and bearing block, effectively prevent The leakage of lubricating oil, has saved cost.

Detailed description of the invention

The accompanying drawings constituting a part of this application is used to provide a further understanding of the present invention, this is practical Novel illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model. In the accompanying drawings:

Fig. 1 shows the structural schematic diagram of the embodiment of bearing assembly according to the present utility model.

Wherein, the above drawings include the following reference numerals:

10, bearing；11, bearing block；12, bearing (ball) cover；13, mandrel；131, threaded hole；14, mandrel mounting base；15, oily Envelope；16, fastener；21, the first sealing ring；22, the second sealing ring.

Specific embodiment

It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase Mutually combination.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to this is practical Novel and its application or any restrictions used.Based on the embodiments of the present invention, those of ordinary skill in the art are not having Every other embodiment obtained under the premise of creative work is made, is fallen within the protection scope of the utility model.

It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.

As shown in Figure 1, the embodiments of the present invention provide a kind of bearing assembly.The bearing assembly of the embodiment includes Bearing block 11 and bearing (ball) cover 12.Bearing block 11 is for installing bearing 10；Bearing (ball) cover 12 covers the outside for being located at bearing 10, with axis Hold the connection of seat 11；Wherein, the junction of bearing block 11 and bearing (ball) cover 12 is equipped with the first sealing ring 21, to seal bearing (ball) cover 12 With the gap between bearing block 11.

In the present embodiment, due to being provided with the first sealing ring 21, so as to bearing (ball) cover 12 and bearing block 11 it Between gap effectively sealed, prevent the oil seepage in bearing assembly.In compared with the existing technology, by bearing group For each interface applying paste of part is sealed, the first sealing ring 21 in the present embodiment effectively to bearing block 11 with Gap between bearing (ball) cover 12 is sealed, and avoids at high cost caused by being sealed using sealant, is easy to smear uneven Defect.And then the case where avoiding when carrying out assembly work, smearing waste can be generated, and ratio is cleared up in maintenance or disassembly More difficult problem.Therefore, by above-mentioned setting, it ensure that leakproofness is good between bearing (ball) cover 12 and bearing block 11, effectively The leakage for preventing lubricating oil, has saved cost.

Further, bearing assembly lack of lubrication, ensure that caused by above-mentioned setting is effectively prevented because of oil seepage Bearing assembly works in good lubricant environment, improves the service life of bearing assembly.

Further, as shown in Figure 1, in the present embodiment, bearing assembly further includes mandrel mounting base 14 and the second sealing Circle 22.Mandrel mounting base 14 is for installing mandrel 13；Second sealing ring 22 is between mandrel 13 and mandrel mounting base 14, with close Seal the gap between mandrel 13 and mandrel mounting base 14.

Due to being provided with the second sealing ring 22, had so as to the gap between center roller mounting base 14 and mandrel 13 The sealing of effect ground, prevents the oil seepage in bearing assembly.In compared with the existing technology, pass through each interface in bearing assembly For place's applying paste is sealed, the effective center roller mounting base 14 of the second sealing ring 22 and mandrel 13 in the present embodiment it Between gap be sealed, avoid at high cost caused by being sealed using sealant, be easy to smear non-uniform defect.And then it keeps away The case where exempting from when carrying out assembly work, smearing waste can be generated, and relatively difficult problem is cleared up in maintenance or disassembly. Therefore, by above-mentioned setting, it ensure that leakproofness is good between mandrel mounting base 14 and mandrel 13, effectively prevent the infiltration of lubricating oil Leakage, has saved cost.

As shown in Figure 1, in the present embodiment, bearing assembly further includes the oil sealing 15 for being set in 13 periphery of mandrel.

By be arranged oil sealing 15, mandrel 13 is isolated with bearing block 11, can with the lubricating oil of 13 periphery of center roller into Row effectively seals against, and leaks with preventing lubricating oil.And then bearing assembly lack of lubrication caused by avoiding because of oil seepage, it protects It has demonstrate,proved bearing assembly to work in good lubricant environment, has improved the service life of bearing assembly.

As shown in Figure 1, in the present embodiment, at least partly outer peripheral surface of mandrel 13, oil sealing 15 are far from mandrel mounting base 14 At least partly inner wall of end face, bearing 10 end face and bearing block 11 far from bearing (ball) cover 12 surround the oil of bearing assembly Chamber is marked with lubricating oil in oil pocket.

By above-mentioned setting, the lubricating oil in oil pocket carries out effectively lubricating, the first sealing to the working environment of bearing assembly The cooperation of circle 21 and the second sealing ring 22, avoids the leakage of lubricating oil, and then ensure that the normal work of bearing assembly.

Preferably, oil sealing 15 is felt circle or rubber ring.

Further, bearing 10 is rolling bearing.

Rolling bearing can effectively reduce friction loss, and good support is played between mandrel 13 and bearing block 11 and is made With.

Further, it is interference fitted between mandrel 13 and mandrel mounting base 14.

Above-mentioned setting ensure that connective stability between mandrel 13 and mandrel mounting base 14, guarantee the normal work of mandrel 13 Make.

As shown in Figure 1, in the present embodiment, mandrel 13 towards one end of mandrel mounting base 14 be equipped with for by mandrel 13 by The threaded hole 131 removed in mandrel mounting base 14.

Specifically, due to being interference fit between mandrel 13 and mandrel mounting base 14, to be not easy to mandrel 13 by the heart It is removed in axis mounting base 14.By the way that threaded hole 131 is arranged, when dismantling mandrel 13, bolt is screwed in threaded hole 131, with top Firmly mandrel mounting base 14, consequently facilitating the disassembly of mandrel 13.

Preferably, as shown in Figure 1, in the present embodiment, bearing assembly further includes fastener 16, extremely by the installation of mandrel 13 In mandrel mounting base 14.

Above-mentioned setting further ensures the bonding strength between mandrel 13 and mandrel mounting base 14, ensure that bearing assembly Normal work.

The embodiments of the present invention additionally provide a kind of speed reducer, including reduction gear box and connect with reduction gear box Bearing assembly, bearing assembly be above-mentioned bearing assembly.

In the bearing assembly of the present embodiment, due to being provided with the first sealing ring 21, so as to bearing (ball) cover 12 and axis The gap held between seat 11 is effectively sealed, and the oil seepage in bearing assembly is prevented.In compared with the existing technology, pass through For each interface applying paste of bearing assembly is sealed, the first sealing ring 21 in the present embodiment is effectively to axis The gap held between seat 11 and bearing (ball) cover 12 is sealed, and avoids at high cost caused by sealing using sealant, easy painting Smear non-uniform defect.And then the case where avoiding when carrying out assembly work, smearing waste can be generated, and repairing or dismantling Shi Qingli relatively difficult problem.Therefore, the speed reducer with above-mentioned bearing assembly also has the above advantages.

The embodiments of the present invention additionally provide a kind of industrial robot, including articulation mechanism and connect with articulation mechanism Speed reducer, speed reducer be above-mentioned speed reducer.

The speed reducer of the present embodiment has good sealing performance, and the leakage of lubricating oil can be effectively prevented, speed reducer Operating status is good.Therefore, the industrial robot with above-mentioned speed reducer also has the above advantages.

It can be seen from the above description that the above embodiments of the utility model achieve the following technical effects: due to Bearing group is prevented provided with the first sealing ring so as to effectively be sealed to the gap between bearing (ball) cover and bearing block Oil seepage in part.In compared with the existing technology, carried out by each interface applying paste in bearing assembly close For envelope, the first sealing ring in the present embodiment is effectively sealed the gap between bearing block and bearing (ball) cover, avoids It is at high cost caused by being sealed using sealant, it is easy to smear non-uniform defect.And then it avoids to produce when carrying out assembly work Raw the case where smearing waste, and relatively difficult problem is cleared up in maintenance or disassembly.Therefore, by above-mentioned setting, guarantee Leakproofness is good between bearing (ball) cover and bearing block, effectively prevent the leakage of lubricating oil, has saved cost.

In addition, it should be noted that, limiting components using the words such as " first ", " second ", it is only for be convenient for Corresponding components are distinguished, do not have Stated otherwise such as, there is no particular meanings for above-mentioned word, therefore should not be understood as to this The limitation of utility model protection range.

The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (11)

1. a kind of bearing assembly characterized by comprising

Bearing block (11), for installing bearing (10)；

Bearing (ball) cover (12), lid are located at the outside of the bearing (10), connect with the bearing block (11)；

Wherein, the junction of the bearing block (11) and the bearing (ball) cover (12) is equipped with the first sealing ring (21), to seal State the gap between bearing (ball) cover (12) and the bearing block (11).

2. bearing assembly according to claim 1, which is characterized in that the bearing assembly further include:

Mandrel mounting base (14), for installing mandrel (13)；

Second sealing ring (22), between the mandrel (13) and the mandrel mounting base (14), to seal the mandrel (13) gap between the mandrel mounting base (14).

3. bearing assembly according to claim 2, which is characterized in that the bearing assembly further includes being set in the mandrel (13) oil sealing (15) of periphery.

4. bearing assembly according to claim 3, which is characterized in that at least partly outer peripheral surface of the mandrel (13), described Oil sealing (15) far from the end face of the mandrel mounting base (14), end face of the bearing (10) far from the bearing (ball) cover (12) with And at least partly inner wall of the bearing block (11) surrounds the oil pocket of the bearing assembly, is marked with lubricating oil in the oil pocket.

5. bearing assembly according to claim 3, which is characterized in that the oil sealing (15) is felt circle or rubber ring.

6. bearing assembly according to any one of claim 1 to 5, which is characterized in that the bearing (10) is the axis of rolling It holds.

7. the bearing assembly according to any one of claim 2 to 5, which is characterized in that the mandrel (13) and the heart Axis mounting base is interference fitted between (14).

8. the bearing assembly according to any one of claim 2 to 5, which is characterized in that the mandrel (13) is described in One end of mandrel mounting base (14) be equipped with for by the mandrel (13) by the threaded hole that is removed on the mandrel mounting base (14) (131)。

9. the bearing assembly according to any one of claim 2 to 5, which is characterized in that the bearing assembly further includes tight Firmware (16), will be in the mandrel (13) installation to the mandrel mounting base (14).

10. a kind of speed reducer, including reduction gear box and the bearing assembly being connect with the reduction gear box, which is characterized in that The bearing assembly bearing assembly as claimed in any one of claims 1 to 9.

11. a kind of industrial robot, including articulation mechanism and the speed reducer being connect with the articulation mechanism, which is characterized in that institute Stating speed reducer is speed reducer described in any one of claim 10.