CN210389250U - Robot wrist joint structure - Google Patents
Robot wrist joint structure Download PDFInfo
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- CN210389250U CN210389250U CN201921241903.3U CN201921241903U CN210389250U CN 210389250 U CN210389250 U CN 210389250U CN 201921241903 U CN201921241903 U CN 201921241903U CN 210389250 U CN210389250 U CN 210389250U
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- oil
- fixedly connected
- oil inlet
- main arm
- wrist joint
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Abstract
The utility model relates to the technical field of robot, specifically be a robot wrist joint structure, including the main arm, the equal fixedly connected with bearing in centre of a circle department of main arm both sides, the inner wall fixedly connected with auxiliary arm of bearing, the one end fixedly connected with mounting flange dish of auxiliary arm, the middle part of main arm top one side is seted up flutedly, the groove fixedly connected with oil inlet nozzle of main arm, oil inlet nozzle's inside has been seted up into the oil chamber, oil inlet chamber's inner wall fixedly connected with sponge piece. This robot wrist joint structure through having set up oil feed mouth, first oil feed passageway and second oil feed passageway, can make the lubricating oil bottle directly overlap on the oil feed mouth through the oil bottle lid and oil, because the inner wall fixedly connected with sponge piece of oil feed chamber, the diameter of oil feed mouth and the export diameter looks adaptation of oil bottle lid, lubricating oil through the oil feed mouth can not spill over, soaks through the sponge piece moreover, and lubricating oil can slowly get into to the purpose of automatic oiling for a long time.
Description
Technical Field
The utility model relates to the technical field of robot, specifically be a robot wrist joint structure.
Background
The robot wrist is the part connecting the end effector and the arm and its function is to adjust or change the orientation of the workpiece, so it has independent degrees of freedom to adapt the robot end effector to complex motion requirements. Because wrist joint is frequent in the rotation of work, lubricating oil consumption is great, need regularly add lubricating oil for wrist joint, present robot wrist joint adds lubricating oil and carries out lubricating oil through the lubricating gun alignment reservation tank filler hole and paint, such filling mode all is for overflowing many oil stains in filler hole department at every turn, long-time oil stain is piled up and is influenced wrist joint's life, and wrist joint activity is frequent moreover, and manual one-time tank filler is limited, need frequently add lubricating oil, wastes time and energy, consequently the utility model provides a robot wrist joint structure for solve prior art's not enough.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides a robot wrist joint structure has solved the problem of proposing in the above-mentioned background art.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a robot wrist joint structure comprises a main arm, wherein bearings are fixedly connected to the circle centers of two sides of the main arm, an auxiliary arm is fixedly connected to the inner wall of each bearing, one end of the auxiliary arm is fixedly connected with an installation flange plate, a groove is formed in the middle of one side of the top of the main arm, an oil inlet nozzle is fixedly connected to the groove of the main arm, an oil inlet cavity is formed in the oil inlet nozzle, a sponge block is fixedly connected to the inner wall of the oil inlet cavity, an oil bottle cap is sleeved at the top of the oil inlet nozzle, a lubricating oil bottle is connected to the top of the oil bottle cap in a threaded manner, a one-way plug is rotatably connected to the bottom of the oil bottle cap, a fixing frame is fixedly connected to the outer wall of the lubricating oil bottle, movable grooves are formed in two sides of the outer wall of the fixing frame, sealing covers are, the top fixedly connected with button that activity inslot wall one side was kept away from to metal shrapnel, the bottom fixedly connected with fixed pin that activity inslot wall one side was kept away from to metal shrapnel, the middle part fixedly connected with limiting plate of main arm top surface one side, the fixed slot has been seted up to one side of limiting plate.
Optionally, a first oil inlet channel is formed in one side, close to the bearing, of the main arm, a second oil inlet channel is formed in one side, close to the oil inlet nozzle, of the main arm, and the first oil inlet channel is communicated with the second oil inlet channel.
Optionally, an inlet of the second oil inlet channel is communicated with the oil inlet cavity, and an oil outlet of the first oil inlet channel corresponds to the bearing.
Optionally, the top of the sealing cover is provided with a through hole, the position of the sealing cover through hole corresponds to the position of the button and the position of the fixing pin respectively, the button and the fixing pin penetrate through the through hole, and the size of the button and the size of the fixing pin are smaller than that of the through hole.
Optionally, the position of the fixing pin corresponds to the position of the fixing groove, and the size of the fixing pin is matched with the size of the fixing groove.
Optionally, the diameter of the oil inlet nozzle is matched with the diameter of an outlet of the oil bottle cap, and the height of the oil inlet nozzle is larger than the distance between the outlet of the oil bottle cap and the one-way plug.
Optionally, the main arm is rotatably connected with the auxiliary arm through a bearing fixedly connected with the main arm.
(III) advantageous effects
The utility model provides a robot wrist joint structure possesses following beneficial effect:
1. through having set up the oil feed mouth, first oil feed passageway and second oil feed passageway, the inner wall fixedly connected with sponge piece of oil feed chamber, the oil bottle lid has been cup jointed at the top of oil feed mouth, the top threaded connection of oil bottle lid has the lubricating oil bottle, the bottom of oil bottle lid is rotated and is connected with one-way stopper, and the diameter of oil feed mouth and the export diameter looks adaptation of oil bottle lid, can make the lubricating oil bottle directly overlap on the oil feed mouth through the oil bottle lid and oil, because the inner wall fixedly connected with sponge piece of oil feed chamber, the diameter of oil feed mouth and the export diameter looks adaptation of oil bottle lid, lubricating oil through the oil feed mouth can not spill over, and soak through the sponge piece, lubricating oil can slowly get into, thereby the purpose of automatic oiling for a long time.
2. Through having set up fixed frame and limiting plate, the fixed slot has been seted up to one side of limiting plate, the activity groove has all been seted up to the both sides of fixed frame outer wall, one side fixedly connected with metal shrapnel of activity inslot wall, the top fixedly connected with button of activity inslot wall one side is kept away from to metal shrapnel, the bottom fixedly connected with fixed pin of activity inslot wall one side is kept away from to metal shrapnel, and the position of fixed pin is corresponding with the position of fixed slot, can make the user promote the automatic card of fixed pin through metal shrapnel and realize fixing in the fixed slot, the fixed pin is pulled out to the rethread press button, thereby easy.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the internal structure of the main arm of the present invention;
FIG. 3 is a schematic view of the internal structure of the fixing frame of the present invention;
fig. 4 is an enlarged schematic view of the structure at a in fig. 3 according to the present invention;
fig. 5 is the internal structure diagram of the oil inlet nozzle of the present invention.
In the figure: the oil filling device comprises a main arm 1, an auxiliary arm 2, a mounting flange 3, a fixing frame 4, a limiting plate 5, a lubricating oil bottle 6, a bearing 7, a first oil inlet channel 8, a second oil inlet channel 9, a button 10, a movable groove 11, a metal elastic sheet 12, an oil inlet nozzle 13, an oil bottle cap 14, a one-way plug 15, a sealing cap 16, a fixing groove 17, a fixing pin 18, an oil inlet cavity 19 and a sponge block 20.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1 to 5, the present invention provides a technical solution: a robot wrist joint structure comprises a main arm 1, bearings 7 are fixedly connected at the circle centers of two sides of the main arm 1, an auxiliary arm 2 is fixedly connected to the inner wall of each bearing 7, one end of the auxiliary arm 2 is fixedly connected with a mounting flange 3, a groove is formed in the middle of one side of the top of the main arm 1, an oil inlet nozzle 13 is fixedly connected at the groove of the main arm 1, an oil inlet cavity 19 is formed inside the oil inlet nozzle 13, a sponge block 20 is fixedly connected to the inner wall of the oil inlet cavity 19, an oil bottle cap 14 is sleeved at the top of the oil inlet nozzle 13, a lubricating oil bottle 6 is connected to the top of the oil bottle cap 14 in a threaded manner, a one-way plug 15 is rotatably connected to the bottom of the oil bottle cap 14, a fixed frame 4 is fixedly connected to the outer wall of the lubricating oil bottle 6, movable grooves 11 are formed in two sides of the outer wall of, the top fixedly connected with button 10 of activity groove 11 inner wall one side is kept away from to metal shrapnel 12, and the bottom fixedly connected with fixed pin 18 of activity groove 11 inner wall one side is kept away from to metal shrapnel 12, the middle part fixedly connected with limiting plate 5 of 1 top surface one side of main arm, fixed slot 17 has been seted up to one side of limiting plate 5.
As an optimal technical solution of the utility model:
a first oil inlet channel 8 is formed in one side, close to the bearing 7, of the inner portion of the main arm 1, a second oil inlet channel 9 is formed in one side, close to the oil inlet nozzle 13, of the inner portion of the main arm 1, and the first oil inlet channel 8 is communicated with the second oil inlet channel 9, so that lubricating oil can flow into the second oil inlet channel 9 from the first oil inlet channel 8.
As an optimal technical solution of the utility model:
the inlet of the second oil inlet channel 9 is communicated with the oil inlet cavity 19, and the position of the oil outlet of the first oil inlet channel 8 corresponds to the position of the bearing 7, so that lubricating oil can directly flow to the position of the bearing 7 from the oil inlet cavity 19 to oil the bearing 7.
As an optimal technical solution of the utility model:
the through-hole has all been seted up at the top of closing cap 16, and the position of closing cap 16 through-hole corresponds with the position of button 10 and fixed pin 18 respectively, and button 10 all runs through in the through-hole with fixed pin 18, and button 10 all is less than the through-hole with fixed pin 18's size to make fixed pin 18 and button 10 can not receive the restriction of through-hole wall, prevent that the through-hole wall from influencing the normal activity of fixed pin 18 and button 10.
As an optimal technical solution of the utility model:
the position of the fixing pin 18 corresponds to the position of the fixing groove 17, and the size of the fixing pin 18 is matched with the size of the fixing groove 17, so that the fixing pin 18 can be clamped into the fixing groove 17, and the position is fixed.
As an optimal technical solution of the utility model:
the diameter of the oil inlet nozzle 13 is matched with the diameter of the outlet of the oil bottle cap 14, and the height of the oil inlet nozzle 13 is larger than the distance between the outlet of the oil bottle cap 14 and the one-way plug 15, so that after the oil bottle cap 14 is inserted onto the oil inlet nozzle 13, the oil inlet nozzle 13 can automatically push the one-way plug 15 open, and the purpose of convenient operation is achieved.
As an optimal technical solution of the utility model:
the main arm 1 is rotatably connected with the auxiliary arm 2 through a bearing 7 fixedly connected with, and the rotation can be smoother and the friction can be reduced through the rotation of the bearing.
To sum up, when the wrist joint structure of the robot is used, by arranging the oil inlet nozzle 13, the first oil inlet channel 8 and the second oil inlet channel 9, the inner wall of the oil inlet cavity 19 is fixedly connected with the sponge block 20, the top of the oil inlet nozzle 13 is sleeved with the oil bottle cap 14, the top of the oil bottle cap 14 is in threaded connection with the lubricating oil bottle 6, the bottom of the oil bottle cap 14 is rotatably connected with the one-way plug 15, the diameter of the oil inlet nozzle 13 is matched with the outlet diameter of the oil bottle cap 14, the lubricating oil bottle 6 can be directly sleeved on the oil inlet nozzle 13 through the oil bottle cap 14 for oiling, because the inner wall of the oil inlet cavity 19 is fixedly connected with the sponge block 20, the diameter of the oil inlet nozzle 13 is matched with the outlet diameter of the oil bottle cap 14, the lubricating oil passing through the oil inlet nozzle 13 cannot overflow, and can slowly enter the lubricating oil through the sponge block 20, so as to achieve the purpose of long-time automatic oiling, and then, fixed slot 17 has been seted up to one side of limiting plate 5, movable groove 11 has all been seted up to the both sides of 4 outer walls of fixed frame, one side fixedly connected with metal shrapnel 12 of movable groove 11 inner walls, the top fixedly connected with button 10 of movable groove 11 inner walls one side is kept away from to metal shrapnel 12, the bottom fixedly connected with fixed pin 18 of movable groove 11 inner walls one side is kept away from to metal shrapnel 12, and the position of fixed pin 18 is corresponding with the position of fixed slot 17, can make the user promote the automatic card of fixed pin 18 through metal shrapnel and go into to realize fixing in fixed slot 17, the rethread presses down button 10 and pulls out fixed pin 18, thereby easy to assemble and take off fixed.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides a robot wrist joint structure, includes main arm (1), its characterized in that: the lubricating oil cylinder is characterized in that bearings (7) are fixedly connected to the circle centers of two sides of the main arm (1), an auxiliary arm (2) is fixedly connected to the inner wall of each bearing (7), a mounting flange plate (3) is fixedly connected to one end of each auxiliary arm (2), a groove is formed in the middle of one side of the top of the main arm (1), an oil inlet nozzle (13) is fixedly connected to the groove of the main arm (1), an oil inlet cavity (19) is formed in the oil inlet nozzle (13), a sponge block (20) is fixedly connected to the inner wall of the oil inlet cavity (19), an oil cylinder cover (14) is sleeved at the top of the oil inlet nozzle (13), a lubricating oil cylinder (6) is connected to the top of the oil cylinder cover (14) in a threaded mode, a one-way plug (15) is rotatably connected to the bottom of the oil cylinder cover (14), a fixed frame (4) is fixedly connected to the outer wall of the, opening part fixedly connected with closing cap (16) of activity groove (11), one side fixedly connected with metal shrapnel (12) of activity groove (11) inner wall, the top fixedly connected with button (10) of activity groove (11) inner wall one side are kept away from metal shrapnel (12), the bottom fixedly connected with fixed pin (18) of activity groove (11) inner wall one side are kept away from to metal shrapnel (12), the middle part fixedly connected with limiting plate (5) of main arm (1) top surface one side, fixed slot (17) have been seted up to one side of limiting plate (5).
2. The robot wrist joint structure according to claim 1, characterized in that: a first oil inlet channel (8) is formed in one side, close to the bearing (7), of the inner portion of the main arm (1), a second oil inlet channel (9) is formed in one side, close to the oil inlet nozzle (13), of the inner portion of the main arm (1), and the first oil inlet channel (8) is communicated with the second oil inlet channel (9).
3. The robot wrist joint structure according to claim 2, characterized in that: the inlet of the second oil inlet channel (9) is communicated with the oil inlet cavity (19), and the position of the oil outlet of the first oil inlet channel (8) corresponds to the position of the bearing (7).
4. The robot wrist joint structure according to claim 1, characterized in that: the through-hole has all been seted up at the top of closing cap (16), the position of closing cap (16) through-hole corresponds with the position of button (10) and fixed pin (18) respectively, button (10) and fixed pin (18) all run through in the through-hole, the size of button (10) and fixed pin (18) all is less than the through-hole.
5. The robot wrist joint structure according to claim 1, characterized in that: the position of the fixing pin (18) corresponds to the position of the fixing groove (17), and the size of the fixing pin (18) is matched with the size of the fixing groove (17).
6. The robot wrist joint structure according to claim 1, characterized in that: the diameter of the oil inlet nozzle (13) is matched with the diameter of an outlet of the oil bottle cap (14), and the height of the oil inlet nozzle (13) is larger than the distance between the outlet of the oil bottle cap (14) and the one-way plug (15).
7. The robot wrist joint structure according to claim 1, characterized in that: the main arm (1) is rotatably connected with the auxiliary arm (2) through a bearing (7) fixedly connected with the main arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921241903.3U CN210389250U (en) | 2019-08-02 | 2019-08-02 | Robot wrist joint structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921241903.3U CN210389250U (en) | 2019-08-02 | 2019-08-02 | Robot wrist joint structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210389250U true CN210389250U (en) | 2020-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921241903.3U Active CN210389250U (en) | 2019-08-02 | 2019-08-02 | Robot wrist joint structure |
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| Country | Link |
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| CN (1) | CN210389250U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111993962A (en) * | 2020-08-12 | 2020-11-27 | 盐城同环机电科技有限公司 | Automobile seat connecting rod mechanism with high endurance fatigue strength |
-
2019
- 2019-08-02 CN CN201921241903.3U patent/CN210389250U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111993962A (en) * | 2020-08-12 | 2020-11-27 | 盐城同环机电科技有限公司 | Automobile seat connecting rod mechanism with high endurance fatigue strength |
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