SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solves the rigid gear, flexbile gear, the roller bearing that intersects and wave generator of current harmonic speed reducer ware and in the equipment process efficiency lower, the lower technical problem of concentricity.
In order to solve the technical problem, an embodiment of the present invention provides a harmonic reducer adjusting device for adjusting the concentricity of a harmonic reducer, wherein the harmonic reducer comprises a wave generator, a flexible gear, a rigid gear, a crossed roller bearing, a front cover and a rear cover, the flexible gear is sleeved on the wave generator, the rigid gear is sleeved on the flexible gear, the front cover, the rigid gear and an inner wheel of the crossed roller bearing are connected by a first screw, and the rear cover, the flexible gear and an outer wheel of the crossed roller bearing are connected by a second screw and a third screw; the technical scheme is as follows:
this harmonic reducer ware adjusting device includes: the device comprises a mounting shaft, a supporting assembly and a rotating assembly;
the mounting shaft includes a shaft body; the shaft body is arranged on the supporting component and can rotate relative to the supporting component; the bottom of the shaft body is connected with the output end of the rotating assembly, the rotating assembly can drive the shaft body to rotate by taking the central shaft of the shaft body as the center, and the top end of the shaft body is inserted into the wave generator of the harmonic reducer and used for driving the harmonic reducer to rotate so as to sequentially and symmetrically lock the first screw, the second screw and the third screw which are not screwed down, so that the concentricity of a rigid gear, a flexible gear, a crossed roller bearing and the wave generator of the harmonic reducer can be adjusted.
In some embodiments, the support assembly includes a connection seat and a rotational support disposed on a side of the connection seat proximate to the harmonic reducer;
the connecting seat is provided with a first accommodating cavity with an opening, the rotary supporting piece comprises an inner ring and an outer ring which is sleeved on the inner ring and can rotate relatively, the outer ring is fixedly connected with the connecting seat, and the inner ring is positioned at the opening of the first accommodating cavity;
the inner ring is enclosed to form a second accommodating cavity penetrating along the axial direction, the second accommodating cavity of the inner ring is communicated with the first accommodating cavity of the connecting seat, and the shaft body is sequentially inserted into the second accommodating cavity of the inner ring and the first accommodating cavity of the connecting seat and is connected with the output end of the rotating assembly.
In some embodiments, the mounting shaft further includes a connecting ring, the connecting ring is sleeved on the shaft body, the connecting ring defines a first connecting hole, the inner ring of the rotary support defines a second connecting hole along the axial direction, and the connecting ring is fastened to the inner ring by a fastening member after sequentially passing through the first connecting hole and the second connecting hole.
In some embodiments, the outer ring of the rotating support member is axially provided with a third connecting hole, the connecting seat is provided with a fourth connecting hole, and the outer ring of the rotating support member sequentially passes through the third connecting hole and the fourth connecting hole through a fastener and then is locked on the connecting seat.
In some embodiments, the rotary support is a cross roller bearing.
In some embodiments, the rotating assembly includes a rotation driving device and a coupling, the rotation driving device is vertically disposed on the connecting seat, an output end of the rotation driving device is connected to the bottom end of the shaft body through the coupling, and the coupling is accommodated in the first accommodating cavity of the connecting seat.
In some embodiments, the mounting shaft further comprises at least one annular boss; all the annular bosses are sequentially arranged and sleeved on the shaft body from small to large according to the radial length in the direction from the top end to the bottom end of the shaft body, and each annular boss is matched with the shaft body to form a step so as to fix the harmonic reducer with the corresponding specification on the shaft body.
In some embodiments, the harmonic reducer adjustment apparatus further comprises a cover plate; the cover plate is detachably abutted to the end part of the wave generator of the harmonic reducer, and the cover plate sequentially penetrates through the fifth connecting hole and the sixth connecting hole and then is fixedly locked on the end part of the top end of the shaft body.
In some embodiments, the harmonic reducer adjusting device further includes a fixing ring, a seventh connecting hole is formed in the fixing ring along the axial direction of the shaft body, and the fixing ring penetrates through the seventh connecting hole through a fastener and is locked to one side, far away from the cover plate, of the harmonic reducer.
In order to solve the technical problem, the embodiment of the utility model provides a harmonic reducer ware equipment system is still provided, adopt as follows technical scheme: the harmonic reducer assembly system comprises the harmonic reducer adjusting device.
Compared with the prior art, the embodiment of the utility model provides a harmonic speed reducer ware adjusting device and equipment system mainly have following beneficial effect:
this harmonic reducer adjusting device passes through rotatory subassembly drive installation axle and rotates to drive the harmonic reducer ware and rotate and carry out dynamic adjustment with the concentricity to rigid wheel, flexbile gear, cross roller bearing and wave generator, thereby more be close to the actual operating mode of harmonic reducer ware, in order to reduce the accumulative error, can reduce effectively in the harmonic reducer ware assembling process because of rigid wheel, flexbile gear, cross roller bearing and wave generator decentraction lead to the influence to precision, noise, transmission error and life. In a word, this harmonic speed reducer ware has simple structure, convenient to use, can adjust the characteristics of harmonic speed reducer ware's concentricity, need not zero calibration when carrying out the aligning process to the harmonic speed reducer ware, can directly carry out the aligning operation, and the operation process is swift convenient.
Detailed Description
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 invention belongs; the terminology used herein in the description is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention, for example, the terms "length," "width," "upper," "lower," "left," "right," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc. refer to an orientation or position illustrated in the drawings, which are for convenience of description only and are not to be construed as limiting of the present disclosure.
The terms "including" and "having," and any variations thereof, in the description and claims of this invention 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 in the claims, or in the drawings, are used for distinguishing between different objects and not necessarily for describing a particular sequential or chronological order. In the description and claims of the present invention and in the description of the above figures, when an element is referred to as being "fixed" or "mounted" or "disposed" or "connected" to another element, it can be directly or indirectly located on the other element. For example, when an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element.
Furthermore, 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 invention. 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.
It should be noted that, as shown in fig. 1 and 2, the harmonic reducer adjusting apparatus 100 is mainly used to adjust the concentricity of the rigid gear 230, the flexible gear 220, the cross roller bearing 240, and the wave generator 210 during the assembly of the harmonic reducer 200. Specifically, in the present embodiment, the harmonic reducer adjusting device 100 is mainly used for adjusting the concentricity of an SHF XX-UH type harmonic reducer 200, the structure of the harmonic reducer 200 is a conventional structure, specifically, as shown in fig. 1 and fig. 2, the harmonic reducer 200 includes a wave generator 210, a flexspline 220, a rigid spline 230, a crossed roller bearing 240, a front cover 250 and a rear cover 260, wherein the flexspline 220 is sleeved on the wave generator 210, the rigid spline 230 is sleeved on the flexspline 220, the front cover 250, the rigid spline 230 and an inner wheel 242 of the crossed roller bearing 240 are connected by a first screw 270, and the rear cover 260, the flexspline 220 and an outer wheel 241 of the crossed roller bearing 240 are connected by a second screw 280 and a third screw 290. Of course, in other embodiments, the harmonic reducer adjusting device 100 can adjust other types of harmonic reducers 200, and is not limited herein.
An embodiment of the utility model provides a harmonic reducer adjusting device 100, as shown in fig. 1 and fig. 2, this harmonic reducer adjusting device 100 includes installation axle 1, supporting component 2 and rotating component 3.
The mounting shaft 1 includes a shaft body 11; the shaft body 11 is disposed on the supporting component 2 and can rotate relative to the supporting component 2, specifically in this embodiment, the shaft body 11 is vertically disposed on the supporting component 2, the supporting component 2 supports the shaft body 11, and the shaft body 11 can rotate relative to the supporting component 2. The bottom end of the shaft body 11 is connected with the output end of the rotating assembly 3, and the rotating assembly 3 can drive the shaft body 11 to rotate around the central shaft of the shaft body 11. The top end of the shaft body 11 is inserted into the wave generator 210 of the harmonic reducer 200. It can be understood that the rotating assembly 3 rotates the shaft body 11 to rotate the harmonic reducer 200, and is used for rotating the harmonic reducer 200 to sequentially and symmetrically lock the first screw 270, the second screw 280 and the third screw 290 which are not tightened, so as to adjust the concentricity of the rigid gear 230, the flexible gear 220, the crossed roller bearing 240 and the wave generator 210 of the harmonic reducer 200.
It will be appreciated that the principle of operation of the harmonic reducer adjustment apparatus 100 is generally as follows: the harmonic reducer adjusting device 100 firstly penetrates the wave generator 210 of the harmonic reducer 200 and is fixed at the top end of the installation shaft 1, the first screw 270, the second screw 280 and the third screw 290 on the harmonic reducer 200 are not screwed, the installation shaft 1 is driven to rotate through the rotating assembly 3, the installation shaft 1 drives the harmonic reducer 200 to rotate, the first screw 270 is slowly symmetrical and locked, the concentricity among the front cover 250, the rigid gear 230 and the crossed roller bearing 240 is adjusted, then the second screw 280 is slowly symmetrical and locked, and the concentricity among the crossed roller bearing 240, the flexible gear 220 and the rear cover 260 is adjusted. After the centering is completed, the mounting shaft 1 stops rotating, the harmonic reducer 200 is taken out, then the third screws 290 are symmetrically locked, and the second screws 280 are loosened. To this end, the concentricity of the rigid gear 230, the flexible gear 220, the cross roller bearing 240, and the wave generator 210 of the harmonic reducer 200 is adjusted.
In summary, compared with the prior art, the harmonic reducer adjusting device 100 has at least the following beneficial effects: the harmonic reducer adjusting device 100 drives the mounting shaft 1 to rotate through the rotating component 3, so as to drive the harmonic reducer 200 to rotate to dynamically adjust the concentricity of the rigid gear 230, the flexible gear 220, the crossed roller bearing 240 and the wave generator 210, thereby being closer to the actual working condition of the harmonic reducer 200, reducing the accumulated error, and effectively reducing the influence on the precision, the noise, the transmission error and the service life caused by the non-concentricity of the rigid gear 230, the flexible gear 220, the crossed roller bearing 240 and the wave generator 210 in the assembling process of the harmonic reducer 200. In a word, this harmonic reducer adjusting device 100 has simple structure, convenient to use, can adjust the characteristics of the concentricity of harmonic reducer 200, need not the school zero at the in-process of carrying out the aligning to harmonic reducer 200, can directly carry out the aligning operation, and the operation process is swift convenient.
In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.
In one embodiment, as shown in fig. 1, the support assembly 2 includes a connection base 21 and a rotation support 22 disposed on a side of the connection base 21 adjacent to the harmonic reducer 200;
the connecting seat 21 is provided with a first accommodating cavity 2121 having an opening, the rotary supporting element 22 includes an inner ring 222 and an outer ring 221 sleeved on the inner ring 222 and capable of rotating relatively, the outer ring 221 is fixedly connected with the connecting seat 21, and the inner ring 222 is located at the opening of the first accommodating cavity 2121, so that the inner ring 222 can rotate smoothly relative to the outer ring 221 under the condition that the outer ring 221 is fixedly connected with the connecting seat 21.
The inner ring 222 defines a second receiving cavity (not shown) penetrating along the axial direction; the second receiving cavity of the inner ring 222 is communicated with the first receiving cavity 2121 of the connecting seat 21, and the shaft body 11 is sequentially inserted into the second receiving cavity of the inner ring 222 and the first receiving cavity 2121 of the connecting seat 21 and connected to the output end of the rotating assembly 3. It can be understood that, by fixedly connecting the outer ring 221 of the rotary support 22 with the connecting seat 21, the mounting shaft 1 is inserted into the inner ring 222 of the rotary support 22, so that the rotary support 22 can serve as a bearing structure to support the rotation of the mounting shaft 1, thereby improving the bearing capacity of the harmonic reducer adjusting device 100.
In one embodiment, as shown in FIG. 1, the rotational support 22 is a cross roller bearing. It will be appreciated that the crossed roller bearing has excellent rotational accuracy, ensures smooth rotation of the mounting shaft 1, and can withstand large axial and radial loads to provide stable support to the mounting shaft 1.
In one embodiment, as shown in fig. 1 and 2, the mounting shaft 1 further includes a connecting ring 12, the connecting ring 12 is sleeved on the shaft body 11, the connecting ring 12 is provided with a first connecting hole 121, the inner ring 222 of the rotating support 22 is provided with a second connecting hole (not shown) along the axial direction, and the connecting ring 12 is fastened to the inner ring 222 after passing through the first connecting hole 121 and the second connecting hole in sequence by a fastening member. Specifically, the fastening member may be a screw, and the connection ring 12 of the mounting shaft 1 and the inner ring 222 of the rotary support 22 are fastened and connected by the screw, which has the characteristics of stable connection, convenient detachment, and simple structure. Of course, in other embodiments, the fastener may be a suitable fastener such as a pin. It will be appreciated that the coupling ring 12 of the mounting shaft 1 is securely coupled to the inner race 222 of the rotary support 22 by fasteners to prevent relative movement of the mounting shaft 1 with respect to the inner race 222 of the rotary support 22 during rotation.
In one embodiment, as shown in fig. 1 and 2, the outer ring 221 of the rotating support 22 is axially provided with a third connecting hole (not shown), the connecting seat 21 is provided with a fourth connecting hole (not shown), and the outer ring 221 of the rotating support 22 is fastened to the connecting seat 21 by passing through the third connecting hole and the fourth connecting hole in sequence through a fastener. Specifically, the fastening member may be a screw, and the outer ring 221 of the rotary supporting member 22 and the connecting seat 21 are fastened and connected by the screw, and the fastening member has the characteristics of stable connection, convenient detachment, and simple structure. Of course, in other embodiments, the fastener may be a suitable fastener such as a pin. It can be understood that the outer ring 221 of the rotary support 22 is fastened to the connecting base 21 by a fastener, so that the mounting shaft 1 can smoothly rotate relative to the support assembly 2.
In one embodiment, as shown in fig. 1 and 2, the rotating assembly 3 includes a rotating driving device 31 and a coupling 32, the rotating driving device 31 is vertically disposed on the connecting base 21, an output end of the rotating driving device 31 is connected to a bottom end of the shaft body 11 through the coupling 32, and the coupling 32 is received in the first receiving cavity 2121 of the connecting base 21. In the present embodiment, the rotation driving device 31 is a rotating electric machine; of course, in other embodiments, the rotation driving device 31 may also be other suitable rotating devices, and is not limited herein. It can be understood that the output end of the rotation driving device 31 can be stably connected with the shaft body 11 through the coupling 32, so that the shaft body 11 is driven to rotate by the output end of the rotation driving device 31 to perform the centering operation on the harmonic reducer 200; in addition, the coupling 32 is accommodated in the first accommodating cavity 2121 of the connecting seat 21, so that the use environment of the coupling 32 can be protected, and the rotation of the mounting shaft 1 is prevented from being influenced.
In an embodiment, as shown in fig. 1, the connecting seat 21 includes a first seat 211 and a second seat 212, the second seat 212 is mounted on the first seat 211, the second seat 212 carries the rotating supporting member 22, specifically, the second seat 212 can be mounted on the first seat 211 by screws, the first receiving cavity 2121 is opened on the second seat 212, a third receiving cavity (not shown) is formed at a top end of the first seat 211, the third receiving cavity is communicated with the first receiving cavity 2121, the rotation driving device 31 is disposed on the first seat 211, and an output end of the rotation driving device 31 extends out of the first receiving cavity 2121 and is connected to the shaft body 11.
In one embodiment, as shown in fig. 1 and 2, the mounting shaft 1 further comprises at least one annular boss 13; from the top end to the bottom end of the shaft body 11, all the annular bosses 13 are sequentially arranged and sleeved on the shaft body 11 from small to large according to the radial length, and each annular boss 13 is matched with the shaft body 11 to form a step so as to fix the harmonic reducer 200 with the corresponding specification on the shaft body 11. It can be understood that, by arranging at least one annular boss 13 on the shaft body 11, each annular boss 13 corresponds to one specification of the harmonic reducer 200, so that the harmonic reducer adjusting device 100 can adapt to harmonic reducers 200 of different specifications, and the concentricity of the rigid gear 230, the flexible gear 220, the crossed roller bearing 240 and the wave generator 210 of the harmonic reducers 200 of different specifications can be adjusted, thereby improving the universality of the harmonic reducer adjusting device 100.
In one embodiment, as shown in fig. 1 and 2, the harmonic reducer adjustment apparatus 100 further includes a cover plate 4; the cover plate 4 is provided with a fifth connecting hole (not shown) along the axial direction of the shaft body 11, the top end portion of the shaft body 11 is internally arranged in the wave generator 210 of the harmonic reducer 200 and is provided with a sixth connecting hole, the cover plate 4 detachably abuts against the end portion of the wave generator 210 of the harmonic reducer 200, and the cover plate 4 is locked on the top end portion of the shaft body 11 after sequentially passing through the fifth connecting hole and the sixth connecting hole through fasteners. As can be understood, by arranging the cover plate 4 to press against the end of the wave generator 210, and detachably locking the cover plate 4 on the shaft body 11 through the fastener, the wave generator 210 of the harmonic reducer 200 can be stably connected to the shaft body 11 through the cover plate 4, so as to prevent the wave generator 210 from rotating relative to the shaft body 11, and the wave generator 210 of the harmonic reducer 200 can be driven to rotate by the rotation of the mounting shaft 1; in addition, when the concentricity of the rigid gear 230, the flexible gear 220, the crossed roller bearing 240 and the wave generator 210 of the harmonic reducer 200 with different specifications is adjusted, the harmonic reducer 200 with different specifications can be adapted by replacing the specification of the cover plate 4, and the operation is simple and convenient. Specifically, the fastener can be a screw, the cover plate 4 and the shaft body 11 are fastened and connected through the screw, and the fastener has the characteristics of stable connection, convenience in disassembly and simple structure. Of course, in other embodiments, the fastener may be a suitable fastener such as a pin.
In one embodiment, as shown in fig. 1 and fig. 2, the harmonic reducer adjusting device 100 further includes a fixing ring 5, a seventh connecting hole is formed in the fixing ring 5 along the axial direction of the shaft body 11, and the fixing ring 5 is fastened to one side of the harmonic reducer 200 away from the cover plate 4 by a fastener through the seventh connecting hole; in the present embodiment, the fastening member is a second screw 280, the second screw 280 passes through the outer ring 241 of the crossed roller bearing 240, the flexspline 220, and the rear cover 260 in sequence and is locked to the fixing ring 5, and the fixing ring 5 is used for keeping a concentric state after the alignment of the harmonic reducer 200 is completed, so as to prevent the concentricity from changing when the harmonic reducer 200 is taken out. In addition, when the concentricity of the rigid gear 230, the flexible gear 220, the crossed roller bearing 240 and the wave generator 210 of the harmonic speed reducer 200 with different specifications is adjusted, the harmonic speed reducer 200 with different specifications can be adapted by replacing the specification of the fixed ring 5, and the operation is simple and convenient.
Based on foretell harmonic reduction gear adjusting device 100, the embodiment of the utility model provides a still provides a harmonic reduction gear equipment system, and wherein, this harmonic reduction gear equipment system includes foretell harmonic reduction gear adjusting device 100.
Compared with the prior art, the harmonic reducer assembling system at least has the following beneficial effects: by adopting the harmonic reducer adjusting device 100, the harmonic reducer assembling system can dynamically adjust the concentricity of the rigid gear 230, the flexible gear 220, the crossed roller bearing 240 and the wave generator 210 of the harmonic reducer 200, so that the harmonic reducer is closer to the actual working condition of the harmonic reducer 200, the accumulated error is reduced, and the influence on the precision, the noise, the transmission error and the service life caused by the non-concentricity of the rigid gear 230, the flexible gear 220, the crossed roller bearing 240 and the wave generator 210 in the assembling process of the harmonic reducer 200 can be effectively reduced.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.