Rotary joint of industrial robot

Abstract

The utility model discloses a rotating joint of an industrial robot, which comprises a rotating component and a rotating component, a support assembly; the supporting assembly comprises a first fixing circular ring connected to the outer surface of the supporting column, a first hollow groove formed in the outer side face of the first fixing circular ring, a supporting rod connected to the outer side face of the first fixing circular ring, and a pulley connected to the outer side face of the supporting rod. The second fixing circular ring is connected to the outer side face of the pulley; the second hollow groove is formed in the inner side face of the second fixing circular ring; the lubricating assembly is connected to the front end of the supporting column. The problems that when the foremost end of an existing industrial robot is driven by a rotating shaft to rotate, due to the fact that the front end of the industrial robot and the weight of an object are completely supported by the rotating shaft when the industrial robot grabs the object, overload is caused to the rotating shaft, the rotating shaft can be damaged after long-term use, the service life of the industrial robot is shortened, and cost is reduced are solved. And the use is inconvenient.

Description

Technical Field

[0001] The utility model relates to the technical field of industrial robots, in particular to a rotary joint of an industrial robot. Background Art

[0002] Industrial robots are a type of equipment widely used in the industrial field. They are also intelligent equipment that can perform many anthropomorphic tasks. Industrial robots are composed of multiple components, including hands, wrists, and arms, which are connected by rotating joints.

[0003] However, it still has the following disadvantages in actual use:

[0004] When the front end of an existing industrial robot is driven to rotate by a rotating shaft, since the front end of the industrial robot and the weight of the object are completely supported by the rotating shaft, the rotating shaft is overloaded. Long-term use will cause damage to the rotating shaft, reduce the service life of the industrial robot, and make it inconvenient to use.

[0005] Therefore, a new rotary joint of an industrial robot is proposed to solve the above problems. Utility Model Content

[0006] Technical issues to be solved

[0007] The purpose of the utility model is to provide a rotating joint of an industrial robot to solve the problem raised in the above background technology that when the front end of the existing industrial robot is driven to rotate by a rotating shaft, when the industrial robot grabs an object, its front end itself and the weight of the object are completely supported by the rotating shaft, causing an overload on the rotating shaft, and long-term use will cause damage to the rotating shaft, thereby reducing the service life of the industrial robot and making it inconvenient to use.

[0008] Technical Solution

[0009] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0010] The utility model is a rotary joint of an industrial robot, comprising:

[0011] A rotating assembly including a support column;

[0012] Support assembly; the support assembly includes a first fixed ring connected to the outer surface of the support column, a first hollow groove opened on the outer side of the first fixed ring, a support rod connected to the outer side of the first fixed ring, a pulley connected to the outer side of the support rod, a second fixed ring connected to the outer side of the pulley, and a second hollow groove opened on the inner side of the second fixed ring;

[0013] The lubrication assembly is connected to the front end of the support column.

[0014] Furthermore, the rotating assembly also includes a rotating shaft connected to the front end of the supporting column and a rotating column connected to the front end of the rotating shaft;

[0015] Specifically, the support column is used to support the rotating shaft, the rotating shaft is used to drive the rotating column to rotate, and the rotating column is used to contact external objects.

[0016] Furthermore, the first hollow groove is opened relative to the support rod, and the second hollow groove is a T-shaped structure;

[0017] Specifically, the first hollow groove is used to place the support rod, and the second hollow groove is used to place the support rod and the pulley.

[0018] Furthermore, the bottom end of the second hollow groove is opened relative to the pulley, and the upper end of the second hollow groove is opened relative to the support rod;

[0019] Specifically, the pulley can rotate inside the second hollow groove, and when the second fixed ring rotates, the pulley rotates accordingly, thereby keeping the position of the support rod unchanged.

[0020] Further, the second fixed ring is connected to the outer surface of the rotating column, and the support rod is flush with the support column and the rotating column;

[0021] Specifically, the support rod is used to support the first fixed circular ring and the second fixed circular ring, thereby supporting the support column and the rotating column.

[0022] Furthermore, the lubrication assembly includes a support block connected to the outer side of the first fixed ring, a liquid outlet pipe running through the front side of the support block, a lubricating oil tank connected to the top end of the liquid outlet pipe, a regulating valve connected to the outer surface of the liquid outlet pipe, and a sponge connected to the bottom end of the liquid outlet pipe;

[0023] Specifically, the support block is used to support and stabilize the liquid outlet pipe, the liquid outlet pipe is used to discharge the lubricating oil in the lubricating oil tank downward, the lubricating oil tank is used to place the lubricating oil, the regulating valve is used to adjust the flow rate of the lubricating oil in the liquid outlet pipe, and the sponge is used to absorb the lubricating oil and clean the rotating shaft.

[0024] Furthermore, the outer end of the support block is connected to the inner side of the second fixed ring, and the bottom end of the sponge is in contact with the outer surface of the rotating shaft;

[0025] Specifically, when the lubricating oil in the liquid outlet pipe drips onto the sponge, the sponge lubricates the outer surface of the rotating shaft while cleaning the outer surface of the rotating shaft.

[0026] Beneficial Effects

[0027] Compared with the prior art, the advantages of the present invention are:

[0028] 1. The utility model provides a support assembly so that the support column and the rotating column are auxiliary supported by the support rod, thereby distributing the weight of the rotating column and the items at the front end of the rotating column to the support rod and the support column, thereby reducing the load on the rotating shaft.

[0029] 2. Based on the first beneficial effect, by providing a lubrication component, the outer surface of the rotating shaft can be cleaned and lubricated at the same time when the rotating shaft rotates, thereby increasing the service life of the rotating shaft.

[0030] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0032] Figure 1 This is the front view of the utility model;

[0033] Figure 2 This is a structural diagram of the rotating assembly of the utility model;

[0034] Figure 3 This is a structural diagram of the support assembly of the utility model;

[0035] Figure 4 This is a structural diagram of the lubrication component of the utility model.

[0036] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0037] 1. Rotating assembly; 11. Support column; 12. Rotating shaft; 13. Rotating column; 2. Support assembly; 21. First fixed ring; 22. First hollow groove; 23. Support rod; 24. Pulley; 25. Second fixed ring; 26. Second hollow groove; 3. Lubricating assembly; 31. Support block; 32. Liquid outlet pipe; 33. Lubricating oil tank; 34. Regulating valve; 35. Sponge. DETAILED DESCRIPTION

[0038] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0039] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific implementation methods disclosed below.

[0040] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the implementation of the present invention, for the sake of convenience, the cross-sectional diagram showing the device structure will not be partially enlarged according to the general scale, and the schematic diagram is only an example, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0041] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0042] Example 1

[0043] See also Figure 1-3 As shown, this embodiment is a rotary joint of an industrial robot, comprising:

[0044] The rotating assembly 1 includes a support column 11;

[0045] Support assembly 2; the support assembly 2 includes a first fixed ring 21 connected to the outer surface of the support column 11, a first hollow groove 22 opened on the outer side of the first fixed ring 21, a support rod 23 connected to the outer side of the first fixed ring 21, a pulley 24 connected to the outer side of the support rod 23, a second fixed ring 25 connected to the outer side of the pulley 24, and a second hollow groove 26 opened on the inner side of the second fixed ring 25;

[0046] The rotating assembly 1 further includes a rotating shaft 12 connected to the front end of the supporting column 11 and a rotating column 13 connected to the front end of the rotating shaft 12;

[0047] The first hollow groove 22 is opened relative to the support rod 23, and the second hollow groove 26 is a T-shaped structure;

[0048] The bottom end of the second hollow groove 26 is opened relative to the pulley 24, and the upper end of the second hollow groove 26 is opened relative to the support rod 23;

[0049] The second fixing ring 25 is connected to the outer surface of the rotating column 13, and the support rod 23 is flush with the support column 11 and the rotating column 13;

[0050] The first fixed ring 21 and the second fixed ring 25 are connected to the support column 11 and the rotating column 13 respectively, and then one end of the support rod 23 is connected to the outer surface of the first fixed ring 21 through the first hollow groove 22, and the other end of the support rod 23 is connected to the pulley 24 and placed inside the second hollow groove 26. At this time, the support rod 23 transfers the weight of the rotating column 13 connected to the rotating shaft 12, thereby reducing the weight on the rotating shaft 12, and when the rotating column 13 rotates, it drives the second fixed ring 25 to rotate. At this time, the pulley 24 rotates inside the second fixed ring 25 and will not affect the rotation of the rotating column 13.

[0051] Example 2

[0052] See also Figure 4 As shown, this embodiment is based on the above embodiment 1 and also includes:

[0053] The lubrication assembly 3 is connected to the front end of the support column 11;

[0054] The lubrication assembly 3 includes a support block 31 connected to the outer side of the first fixed ring 21, a liquid outlet pipe 32 penetrating the front side of the support block 31, a lubricating oil tank 33 connected to the top end of the liquid outlet pipe 32, a regulating valve 34 connected to the outer surface of the liquid outlet pipe 32, and a sponge 35 connected to the bottom end of the liquid outlet pipe 32.

[0055] The outer end of the support block 31 is connected to the inner side of the second fixed ring 25, and the bottom end of the sponge 35 is in contact with the outer surface of the rotating shaft 12;

[0056] The support block 31 is connected to the first fixed circular ring 21 and the second fixed circular ring 25, and then the liquid outlet pipe 32 is placed through the support block 31, and the lubricating oil tank 33 is connected to the top end of the liquid outlet pipe 32. At the same time, the regulating valve 34 is connected to the outer surface of the liquid outlet pipe 32, and the sponge 35 is connected to the bottom end of the liquid outlet pipe 32. At this time, the regulating valve 34 is changed according to the rotation speed of the rotating shaft 12 to keep the speed of the lubricating oil in the liquid outlet pipe 32 constant, and the lubricating oil drips from the lubricating oil tank 33 through the liquid outlet pipe 32 to the sponge 35, and the sponge 35 absorbs the lubricating oil. When the rotating shaft 12 rotates and contacts the sponge 35, the sponge 35 lubricates the rotating shaft 12 while cleaning the rotating shaft 12.

[0057] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0058] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A rotary joint of an industrial robot, characterized in that: include: The rotating assembly (1) comprises a supporting column (11); A support assembly (2); the support assembly (2) comprises a first fixed circular ring (21) connected to the outer surface of a support column (11), a first hollow groove (22) formed on the outer side of the first fixed circular ring (21), a support rod (23) connected to the outer side of the first fixed circular ring (21), a pulley (24) connected to the outer side of the support rod (23), a second fixed circular ring (25) connected to the outer side of the pulley (24), and a second hollow groove (26) formed on the inner side of the second fixed circular ring (25); The lubrication assembly (3) is connected to the front end of the support column (11).

2. The rotary joint of an industrial robot according to claim 1, characterized in that: The rotating assembly (1) further comprises a rotating shaft (12) connected to the front end of the supporting column (11) and a rotating column (13) connected to the front end of the rotating shaft (12).

3. The rotary joint of an industrial robot according to claim 1, characterized in that: The first hollow groove (22) is opened relative to the support rod (23), and the second hollow groove (26) is a T-shaped structure.

4. The rotary joint of an industrial robot according to claim 1, characterized in that: The bottom end of the second hollow groove (26) is opened relative to the pulley (24), and the upper end of the second hollow groove (26) is opened relative to the support rod (23).

5. The rotary joint of an industrial robot according to claim 1, characterized in that: The second fixed ring (25) is connected to the outer surface of the rotating column (13), and the support rod (23) is flush with the support column (11) and the rotating column (13).

6. The rotary joint of an industrial robot according to claim 1, characterized in that: The lubrication assembly (3) comprises a support block (31) connected to the outer side of the first fixed circular ring (21), a liquid outlet pipe (32) penetrating the front side of the support block (31), a lubricating oil tank (33) connected to the top end of the liquid outlet pipe (32), a regulating valve (34) connected to the outer surface of the liquid outlet pipe (32), and a sponge (35) connected to the bottom end of the liquid outlet pipe (32).

7. The rotary joint of an industrial robot according to claim 6, characterized in that: The outer end of the support block (31) is connected to the inner side of the second fixed ring (25), and the bottom end of the sponge (35) is in contact with the outer surface of the rotating shaft (12).

Images