CN212384974U

CN212384974U - Harmonic reducer cam assembly device

Info

Publication number: CN212384974U
Application number: CN202020372827.6U
Authority: CN
Inventors: 郑红斌; 廖德林; 杨卫东; 杨勇; 高云峰
Original assignee: Shenzhen Han's Motion Technology Co ltd; Han s Laser Technology Industry Group Co Ltd
Current assignee: Shenzhen Shanchuan Harmonic Transmission Technology Co ltd
Priority date: 2020-03-20
Filing date: 2020-03-20
Publication date: 2021-01-22
Anticipated expiration: 2030-03-20

Abstract

The utility model belongs to the technical field of the harmonic reduction gear assembly, concretely relates to harmonic reduction gear cam assembly quality. Harmonic speed reducer ware cam assembly quality includes base, guide, bearing support piece and compresses tightly the piece, the guide fixed set up in on the base, the cam cover locate on the guide and with the base contact, the bearing housing is located bearing support piece is close to the one end of cam, the bearing is in bearing support piece install in on the guide with the cam dorsad the one side contact of base, compress tightly the piece cover and locate bearing support piece outside, and with the bearing dorsad the one side contact of cam, compress tightly when pressed, will the cam install in the bearing support piece bearing, under the guide effect of guide, make the assembling process of harmonic speed reducer ware cam simpler, and improved the precision and the efficiency of equipment.

Description

Harmonic reducer cam assembly device

Technical Field

The utility model belongs to the technical field of the harmonic reduction gear assembly, concretely relates to harmonic reduction gear cam assembly quality.

Background

The harmonic reducer is a speed reducer, and consists of a fixed internal gear rigid wheel, a flexible wheel and a wave generator which makes the flexible wheel deform in the radial direction. Wherein, the wave generator is a driving part, one of the rigid wheel and the flexible wheel is a driven part, and the other is a fixed part. In the production process of the harmonic reducer, the assembling mode of the cam directly influences the size of the long and short shafts of the wave generator, and the size of the long and short shafts directly influences the precision, the transmission error and the service life of the harmonic reducer. The existing harmonic reducer cam is inconvenient to assemble and operate, low in production efficiency and low in yield due to the fact that the harmonic reducer cam is prone to being askew and inclined.

SUMMERY OF THE UTILITY MODEL

The utility model discloses it is complicated to lie in overcoming present harmonic reducer ware cam equipment, and the poor problem of assembly effect provides a harmonic reducer ware cam assembly device, has adopted following technical scheme:

the utility model provides a harmonic speed reducer ware cam assembly device, harmonic speed reducer ware cam assembly device includes base, guide, bearing support piece and compresses tightly the piece, the guide fixed set up in on the base, the cam cover locate on the guide and with the base contact, the bearing housing is located bearing support piece is close to the one end of cam, the bearing is in bearing support piece install in when on the guide with the cam dorsad the one side contact of base, compress tightly a cover and locate bearing support piece is outside, and with the bearing dorsad the one side contact of cam, compress tightly when pressed, will the cam install in the bearing.

Further, the bearing is a compliant bearing.

Furthermore, the bearing support piece is a deformation block, an adjusting piece is arranged on the deformation block, and the adjusting piece penetrates through the deformation block along the radial direction of the deformation block and is used for enabling the deformation block to be tightened so that the bearing can be sleeved in, or enabling the deformation block to rebound so that the bearing can be opened.

Further, the major and minor axes of the deformation block in the rebound state are equal in size to the major and minor axes of the cam.

Further, the adjusting piece is a screw or a bolt.

Furthermore, the shape changing block is provided with a containing hole and a guide hole matched with the guide piece, the containing hole is formed in one end, connected with the bearing, of the shape changing block, the guide hole is located on one end, far away from the bearing, of the shape changing block, and the containing hole is communicated with the guide hole.

Further, the guide member is connected to the base by means of a screw or welding.

Further, harmonic speed reducer ware cam assembly quality still includes the loading system, the loading system includes the pressurization platform and sets up pressurization piece on the pressurization platform, the pressurization platform supplies the base is placed, the pressurization piece is to the pressurization piece pressurizes, makes the cam install in the bearing.

Compared with the prior art, the embodiment of the application mainly has the following beneficial effects:

the utility model provides a harmonic speed reducer ware cam assembly device, easy and simple to handle, easily the last hand, through the fixed guide that sets up on the base realize that the cam aligns with the quick location of bearing, the cam cover locate on the guide and with the base contact, bearing housing locate bearing support spare and be close to the one end of cam, the bearing is in the bearing support spare install on the guide with the cam dorsad in the one side contact of base, cam and bearing support spare adopt unified guide to do radial positioning, solved effectively in assembly process cam easy dress askew, the problem of dress to one side, the cam of being convenient for aligns fast with the deformation piece, when compressing tightly the piece pressurized, because the cam aligns with the deformation piece, can be with cam direct mount in the inner circle of bearing, installation convenient and fast has improved assembly efficiency and assembly precision.

Drawings

In order to illustrate the solution of the present application more clearly, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and that other drawings can be obtained by those skilled in the art without inventive effort.

Fig. 1 is an overall schematic view of a cam assembling device of a harmonic reducer according to an embodiment of the present invention;

fig. 2 is a schematic structural view of the base, the guide member, the bearing, the cam, and the pressing member after being assembled according to the embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view taken along line A-A in FIG. 2;

FIG. 4 is a schematic view of the connection relationship between the bearing and the deformation block in the embodiment of the present invention;

fig. 5 is a schematic cross-sectional view of C-C in fig. 4.

Description of the reference numerals

1. A base; 2. a guide member; 31. a deformation block; 32. a bearing; 33. an adjustment member; 311. an accommodation hole; 312. a guide hole; 4. a compression member; 5. a cam; 6. a pressurizing mechanism; 61. a pressing member; 62. and (4) a pressurizing table.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail with reference to the following drawings.

It is to be understood that, unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "including" and "having," and any variations thereof, in the description and claims of this application and the description of the above figures are intended to cover non-exclusive inclusions. The terms "first," "second," and the like in the description and claims of this application or in the above-described drawings are used for distinguishing between different objects and not for describing a particular order.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

The embodiment of the application provides a harmonic reducer cam assembly device, as shown in fig. 1 to 5, including base 1, guide 2, bearing support piece and compressing member 4, guide 2 is fixed to be set up on base 1, cam 5 overlaps and locates on guide 2 and contact with base 1, bearing 32 overlaps and locates the one end that bearing support piece is close to cam 5, bearing 32 contacts with the one side of cam 5 dorsad base 1 when bearing support piece installs on guide 2, compressing member 4 covers and locates outside the bearing support piece, and contact with the one side of bearing 32 dorsad cam 5, when compressing member 4 is compressed, install cam 5 in bearing 32 on the bearing support piece.

Through installing cam 5 on guide 2 and with base 1 contact, bearing 32 installs the back on bearing support piece, install bearing support piece on guide 2, and make bearing 32 and cam 5 contact, the guide effect of guide 2, be convenient for cam 5 and bearing support piece's installation, cam 5 and bearing support piece adopt unified guide 2 to do radial positioning, the problem that the cam easily adorns askewly, the dress is oblique has been solved effectively in the assembling process, be convenient for cam 5 and bearing support piece align fast, when compressing tightly 4 pressurized, because cam 5 aligns with deformation piece 31, can be with cam 5 direct mount in the inner circle of bearing 32, the installation is convenient and fast, assembly efficiency and assembly precision have been improved.

In the present embodiment, the bearing 32 is a compliant bearing.

Bearing support piece is deformation block 31, this deformation block 31 can radially take place deformation after the atress, be equipped with regulating part 33 on the deformation block 31, regulating part 33 radially link up deformation block 31 along deformation block 31, regulating part 33 when adjusting deformation block 31, make deformation block 31 deformation to the state of tightening up, make things convenient for flexible bearing to embolia deformation block 31 and serve, after flexible bearing embolias deformation block 31, through regulating part 33 readjustment deformation block 31 once more, make deformation block 31 resume to the resilience state, prop open flexible bearing's inner circle when deformation block 31 kick-backs. The cam 5 is installed in a mode of opening the inner ring of the flexible bearing, the flexible bearing cannot be damaged, and the influence of factors such as the clearance of the flexible bearing on the precision, the transmission error and the service life of the harmonic reducer is eliminated.

The major and minor axes of the deformation block 31 in the rebound state are equal in size to the major and minor axes of the cam 5. When the deformation block 31 is mounted on the guide 2 and the bearing 32 is in contact with the cam 5, since the major and minor axes of the deformation block 31 in the rebound state are equal in size to the major and minor axes of the cam 5 and the inner ring of the flexible bearing is expanded, the cam 5 and the deformation block 31 are in the alignment state, so that the inner ring of the cam 5 and the inner ring of the flexible bearing can be directly aligned, and the cam 5 can be directly mounted in the inner ring of the bearing 32 when the pressing member 4 is pressed.

In the embodiment of the present invention, the adjusting member 33 may be a screw or a bolt, the deformation block 31 is radially provided with a threaded hole matched with the adjusting member 33, when the adjusting member 33 is rotated clockwise, the deformation block 31 is deformed to a tightened state, and when the adjusting member 33 is rotated counterclockwise, the deformation block 31 is restored to a resilient state.

In the embodiment of the present invention, the deformation block 31 is provided with an accommodating hole 311 and a guide hole 312 matched with the guide member 2, the accommodating hole 311 is formed at one end of the deformation block 31 connected with the bearing 32, the guide hole 312 is located at one end of the deformation block 31 far away from the bearing 32, and the accommodating hole 311 is communicated with the guide hole 312. The guide member 2 is inserted into the guide hole 312 communicated with the receiving hole 311 through the receiving hole 311, the guide hole 312 is smaller than the receiving hole 311, and the bearing support member can be quickly positioned and is not easy to slide or shift through the cooperation of the guide hole 312 and the guide member 2, so that the alignment of the bearing 32 on the deformation block 31 and the cam 5 sleeved on the guide member 2 is completed. The aperture of the accommodating hole 311 is larger than the cross section of the guide 2, so that the deformation block 31 can be conveniently and quickly sleeved into the guide 2, and the assembly efficiency is improved.

In other embodiments, the receiving hole 311 may be the same as the guiding hole 312, and the size of the guiding element 2 decreases gradually from the end close to the base 1 to the end far from the base 1, so that the bearing support is conveniently and quickly sleeved into the guiding element 2, thereby completing the quick assembly of the cam and the bearing.

The guide piece 2 is connected with the base 1 through a screw connection or a welding mode, so that the guide piece 2 is more stable during assembly, and the stability of the assembled parts is improved.

The harmonic reducer cam assembly device further comprises a pressurizing mechanism 6 used for pressing the pressing piece 4, the pressurizing mechanism 6 can be a hand press machine or an automatic marking press machine, the pressurizing mechanism 6 comprises a pressurizing table 62 and a pressurizing piece 61 arranged above the pressurizing table, the pressurizing table 62 is used for placing the base 1, the guide piece 2, the cam 5, the bearing support piece, the pressing piece 4 and the base 1 are placed on the pressurizing table 62 after being assembled, the pressing piece 4 is located below the pressurizing piece 61 and is opposite to a pressurizing part of the pressurizing piece 61, the pressurizing mechanism 6 is used for pressurizing the pressing piece 4, the cam 5 is installed in the bearing 32, the bearing 32 is pressurized through the pressing piece 4, all parts of the bearing 32 are uniformly pressurized, and therefore the cam 5 cannot skew when entering the bearing 32. The whole assembly process is simple, easy to operate and high in assembly precision.

In the embodiment of the invention, the guide member 2 is fixedly arranged on the base, the cam 5 is sleeved in the guide member 2 and is contacted with the base 1, the position of the adjusting member 33 penetrating through the deformation block 31 is the position of the accommodating hole 311, the adjusting member 33 is rotated to deform the deformation block 31 to a tightening state, the flexible bearing is sleeved in, after the flexible bearing is sleeved in, the adjusting member 33 is rotated to restore the deformation block 31 to a rebound state, so that the inner ring of the flexible bearing sleeved on the deformation block 31 is expanded, the deformation block 31 is sleeved in the guide member 2, the deformation block 31 is contacted with the surface of the cam 5 opposite to the base 1, the pressing member 4 covers the outer part of the deformation block 31 and is contacted with the surface of the flexible bearing opposite to the cam 5, the guide member 2, the cam 5, the bearing support member, the pressing member 4 and the base 1 are assembled and then placed on the pressing table 62 of the pressing mechanism 6, the pressing member 4 is aligned with the pressing member 61, and the pressing member 4 is, the pressing member 4 is pressed to press the flexible bearing toward the cam 5, and the cam 5 is fitted into the inner race of the flexible bearing, thereby completing the assembly of the flexible bearing with the cam 5.

In other embodiments, the device can also be used for assembling a common bearing.

It is to be understood that the above-described embodiments are merely illustrative of some, but not restrictive, of the broad invention, and that the appended drawings illustrate preferred embodiments of the invention and do not limit the scope of the invention. This application is capable of embodiments in many different forms and is provided for the purpose of enabling a thorough understanding of the disclosure of the application. Although the present application has been described in detail with reference to the foregoing embodiments, it will be apparent to one skilled in the art that the present application may be practiced without modification or with equivalents of some of the features described in the foregoing embodiments. All equivalent structures made by using the contents of the specification and the drawings of the present application are directly or indirectly applied to other related technical fields and are within the protection scope of the present application.

Claims

1. The utility model provides a harmonic speed reducer ware cam assembly device, its characterized in that, harmonic speed reducer ware cam assembly device includes base, guide, bearing support piece and compresses tightly the piece, the guide fixed set up in on the base, the cam cover locate on the guide and with the base contact, the bearing cover is located bearing support piece is close to the one end of cam, the bearing is in bearing support piece install in on the guide with the cam dorsad the one side contact of base, compress tightly a cover and locate bearing support piece is outside, and with the bearing dorsad the one side contact of cam, compress tightly when pressed, will the cam install in the bearing.

2. The harmonic reducer cam assembly of claim 1 wherein the bearing is a compliant bearing.

3. The harmonic reducer cam assembly apparatus of claim 1, wherein the bearing support is a deformation block, and an adjustment member is disposed on the deformation block, and the adjustment member radially penetrates through the deformation block along the deformation block, so as to tighten the deformation block to sleeve the bearing, or to rebound the deformation block to prop open the bearing.

4. The harmonic reducer cam assembly apparatus of claim 3, wherein the major and minor axes of the deformation block in the rebound state are equal in size to the major and minor axes of the cam.

5. The harmonic reducer cam assembly of claim 3 wherein the adjustment member is a screw or bolt.

6. The cam assembling device for the harmonic reducer according to claim 3, wherein the deformation block is provided with a receiving hole and a guide hole matched with the guide piece, the receiving hole is formed in one end, connected with the bearing, of the deformation block, the guide hole is located in one end, far away from the bearing, of the deformation block, and the receiving hole is communicated with the guide hole.

7. The harmonic reducer cam assembly of claim 1 wherein the guide is attached to the base by a screw connection or a weld.

8. The cam assembling device for the harmonic reducer according to claim 1, further comprising a pressing mechanism, wherein the pressing mechanism comprises a pressing table and a pressing member disposed on the pressing table, the pressing table is used for placing the base, and the pressing member presses the pressing member to mount the cam in the bearing.