Universal harmonic speed reduction joint module for robot

Abstract

The utility model belongs to the technical field of universal harmonic speed-reducing joint modules of robots, and particularly relates to a universal harmonic speed-reducing joint module of a robot, which comprises a harmonic speed-reducing joint module body, and the front end of the harmonic speed-reducing joint module body is connected with a connecting flange. An oil injection hole is formed in the top end of a shell of the harmonic speed reduction joint module body, an annular supporting block is mounted in the oil injection hole, a filter screen is connected to the top end of the annular supporting block, a mounting block is connected to the top end of the filter screen, and a bolt is connected to the top end of the mounting block in a penetrating and threaded mode. According to the utility model, the filter screen is assembled in the oil injection hole, so that the problem that impurities are carried when lubricating oil is directly added is effectively reduced, and the filter screen is used for filtering, so that the cleanliness and the lubricating effect of the lubricating oil are ensured, and the abrasion degree and the fault occurrence rate of parts are obviously reduced. And the service life of the harmonic speed reduction joint module body is further prolonged.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of robot general harmonic reduction joint module, and specifically relates to a robot general harmonic reduction joint module. BACKGROUND

[0002] The robot general harmonic reduction joint module is a key component in an industrial robot, which combines the advantages of a harmonic reducer and provides high precision, high torque transmission and stable performance for the robot. The working principle is to force the flexspline to deform elastically through a wave generator, and then realize internal meshing transmission with the rigid gear. However, in order to ensure the stability of transmission, it is necessary to add lubricating oil to ensure the transmission of the flexspline and the rigid gear when the robot general harmonic reduction joint module is used. However, the existing lubricating oil is directly added, which is simple to operate, but will bring impurities, affecting the lubricating effect and the service life of the components. Further affect the service life of the robot general harmonic reduction joint module. SUMMARY

[0003] The utility model discloses a kind of robot general harmonic reduction joint module, to solve the problem in prior art, however, in order to ensure the stability of transmission, it is necessary to add lubricating oil to ensure the transmission of the flexspline and the rigid gear when the robot general harmonic reduction joint module is used. However, the existing lubricating oil is directly added, which is simple to operate, but will bring impurities, affecting the lubricating effect and the service life of the components. Further affect the service life of the robot general harmonic reduction joint module.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of robot general harmonic reduction joint module, including harmonic reduction joint module body, the front end of the harmonic reduction joint module body is connected with connecting flange, the top of the shell of the harmonic reduction joint module body is equipped with oil injection hole, the inside of the oil injection hole is installed with annular support block, the top of the annular support block is connected with filter screen, the top of the filter screen is connected with mounting block, the top of the mounting block is connected with bolt in through thread, the top of the oil injection hole is connected with sealing cover.

[0005] As a kind of robot general harmonic reduction joint module of the utility model preferably, the filter screen is metal material, the size of the filter screen is same with the size of oil injection hole.

[0006] As a kind of robot general harmonic reduction joint module of the utility model preferably, the filter screen is detachably fixedly connected between bolt and annular support block.

[0007] As a kind of robot versatility harmonic reduction joint module of the utility model, the outside wall of sealing cover is equipped with thread, the inside wall of oil injection hole is equipped with thread, sealing cover and oil injection hole are threadedly connected.

[0008] As a kind of robot versatility harmonic reduction joint module of the utility model, harmonic reduction joint module body bottom is connected with oil collecting box, the top of oil collecting box is equipped with arc slot, the top of oil collecting box is equipped with oil inlet groove.

[0009] As a kind of robot versatility harmonic reduction joint module of the utility model, the radian of arc slot is same with the radian of harmonic reduction joint module body bottom, oil collecting box is attached between the bottom of harmonic reduction joint module body through arc slot.

[0010] As a kind of robot versatility harmonic reduction joint module of the utility model, the both ends of oil collecting box are connected with mounting lug, the surface of mounting lug is threadedly connected with screw, oil collecting box is detachably fixedly connected between harmonic reduction joint module body through mounting lug and screw.

[0011] Compared with prior art, the utility model has the advantages that:

[0012] The utility model discloses a filter screen is assembled in oil injection hole, effectively reduce the problem of carrying impurity when adding lubricating oil directly, utilize filter screen to filter, thereby ensure the cleanliness and lubricating effect of lubricating oil, significantly reduce the wear degree and failure rate of component.Further improve the service life of harmonic reduction joint module body.In addition, the installation and use of oil collecting box can collect the lubricating oil leaked during the transmission of harmonic reduction joint module body, effectively avoid the random dripping of lubricating oil, also greatly facilitate the recycling of surplus material. DETAILED DESCRIPTION

[0013] The accompanying drawings are included to provide a further understanding of the utility model, and constitute part of the specification, and are used to explain the utility model together with embodiments of the utility model, and do not constitute the limitation to the utility model.In the drawings:

[0014] Figure 1 It is the main body structure schematic diagram of the utility model;

[0015] Figure 2 It is the main body structure schematic diagram of the utility model;

[0016] Figure 3 It is the filter screen installation structure schematic diagram of the utility model;

[0017] Figure 4The utility model discloses a schematic diagram of the installation structure of the oil collecting box.

[0018] In the drawing: 1, harmonic reduction joint module body; 2, connecting flange; 3, oil injection hole; 4, annular support block; 5, filter screen; 6, mounting block; 7, bolt; 8, sealing cover; 9, oil collecting box; 10, oil inlet groove; 11, mounting lug; 12, screw; 13, arc-shaped groove. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0020] Embodiment one

[0021] Please refer to Figures 1-4 The utility model provides the following technical scheme: a robot universal harmonic reduction joint module, including harmonic reduction joint module body 1, the front end of harmonic reduction joint module body 1 is connected with connecting flange 2, the shell top of harmonic reduction joint module body 1 is set with oil injection hole 3, the inside installation of oil injection hole 3 has annular support block 4, the top of annular support block 4 is connected with filter screen 5, the top of filter screen 5 is connected with mounting block 6, the top of mounting block 6 is through screw thread connection with bolt 7, the top of oil injection hole 3 is connected with sealing cover 8.

[0022] In the preferred embodiment, the filter screen 5 is made of metal, and the size of the filter screen 5 is the same as the size of the oil injection hole 3.

[0023] In the preferred embodiment, the filter screen 5 is detachably connected with the annular support block 4 through the bolt 7.

[0024] In the preferred embodiment, the outer side wall of the sealing cover 8 is provided with threads, the inner side wall of the oil injection hole 3 is provided with threads, and the sealing cover 8 is threadedly connected with the oil injection hole 3.

[0025] In the embodiment, first, the harmonic reduction joint module body 1 belongs to existing mature technology, and is an integrated electric joint module of model CRARI80-110pro, which is connected by a wave generator, a flexible flexspline and a rigid wheel to form a joint module. Meanwhile, the harmonic reduction joint module body 1 can be used in each joint of a robot, thereby having universality.

[0026] When the harmonic reduction joint module body 1 is combined with the robot and used for a long time, in order to ensure its smooth operation, it is necessary to add lubricating oil regularly. The operator only needs to unscrew the sealing cover 8 to expose the oil injection hole 3, and then inject lubricating oil through the hole. During the flow of lubricating oil through the oil injection hole 3, the built-in filter screen 5 effectively filters out the impurities carried, which ensures the cleanliness of the lubricating oil and the efficient lubrication effect, thereby significantly reducing the degree of wear and failure of the parts, further prolonging the service life of the harmonic reduction joint module body 1.

[0027] In addition, when the filter screen 5 needs to be replaced due to blockage after long-term use, the operator only needs to simply disassemble the bolt 7 to easily remove the connection between the filter screen 5 and the annular support block 4, facilitating disassembly and replacement work, and ensuring the convenience of maintenance.

[0028] Example two

[0029] Please refer to Figures 1-4 The bottom end of the harmonic reduction joint module body 1 is connected with an oil collecting box 9, the top end of the oil collecting box 9 is provided with an arc-shaped groove 13, and the top end of the oil collecting box 9 is provided with an oil inlet groove 10.

[0030] In the preferred embodiment, the curvature of the arc-shaped groove 13 is the same as the curvature of the bottom end of the harmonic reduction joint module body 1, and the oil collecting box 9 is fitted between the bottom end of the harmonic reduction joint module body 1 through the arc-shaped groove 13.

[0031] In the preferred embodiment, the two ends of the oil collecting box 9 are connected with mounting ears 11, and the surfaces of the mounting ears 11 are through-threaded connected with screws 12, and the oil collecting box 9 is detachably fixedly connected with the harmonic reduction joint module body 1 through the mounting ears 11 and the screws 12.

[0032] In the example, when using the harmonic reduction joint module body 1, the operator first takes out the oil collecting box 9 and tightly fits it with the bottom end of the harmonic reduction joint module body 1. Then, take out the screw 12, pass it through the mounting ear 11 on the oil collecting box 9, and fixedly connect it with the harmonic reduction joint module body 1. In this way, the oil collecting box 9 can effectively collect the lubricating oil leaked by the harmonic reduction joint module body 1 during transmission, not only avoiding the random dripping of lubricating oil, but also greatly facilitating the recycling and processing of the remaining materials.

[0033] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application have been described in detail, for the skilled in the art, it still can be modified, or for the equivalent replacement of part of the technical features of the technical solutions recorded in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included within the scope of the present application.

Claims

1. A robot universal harmonic reduction joint module, comprising a harmonic reduction joint module body (1), a connecting flange (2) is connected to the front end of the harmonic reduction joint module body (1), characterized in that: The outer shell top end of the harmonic reduction joint module body (1) is provided with an oil injection hole (3), the inside of the oil injection hole (3) is provided with an annular supporting block (4), the top end of the annular supporting block (4) is connected with a filter screen (5); The top end of the filter screen (5) is connected with a mounting block (6), the top end of the mounting block (6) is through threaded connection with a bolt (7), the top end of the oil injection hole (3) is connected with a sealing cover (8).

2. A robot universal harmonic reduction joint module according to claim 1, characterized in that: The filter screen (5) is made of metal material, the size of the filter screen (5) is same with the size of the oil injection hole (3).

3. A robot universal harmonic reduction joint module according to claim 1, characterized in that: The filter screen (5) and the annular supporting block (4) are detachably fixedly connected through the bolt (7).

4. The robot universal harmonic reduction joint module of claim 1, wherein: The outer side wall of the sealing cover (8) is provided with a thread, the inner side wall of the oil injection hole (3) is provided with a thread, the sealing cover (8) and the oil injection hole (3) are screw connected.

5. The robot universal harmonic reduction joint module of claim 1, wherein: The bottom end of the harmonic reduction joint module body (1) is connected with an oil collecting box (9), the top end of the oil collecting box (9) is provided with an arc-shaped groove (13), the top end of the oil collecting box (9) is provided with an oil inlet groove (10).

6. A robot universal harmonic reduction joint module according to claim 5, characterized in that: The arc of the arc-shaped groove (13) is same with the arc of the bottom end of the harmonic reduction joint module body (1), the oil collecting box (9) is fitted between the bottom end of the harmonic reduction joint module body (1) through the arc-shaped groove (13).

7. A robot universal harmonic reduction joint module according to claim 5, characterized in that: Both ends of the oil collecting box (9) are connected with mounting ears (11), the surface of the mounting ears (11) is through threaded connection with screws (12), the oil collecting box (9) and the harmonic reduction joint module body (1) are detachably fixedly connected through the mounting ears (11) and the screws (12).

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