CN112428289A - Ventilating rotary anti-winding gripping device - Google Patents
Ventilating rotary anti-winding gripping device Download PDFInfo
- Publication number
- CN112428289A CN112428289A CN202011291130.7A CN202011291130A CN112428289A CN 112428289 A CN112428289 A CN 112428289A CN 202011291130 A CN202011291130 A CN 202011291130A CN 112428289 A CN112428289 A CN 112428289A
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- CN
- China
- Prior art keywords
- annular channel
- air
- bearing
- communicated
- rotating shaft
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J15/00—Gripping heads and other end effectors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J15/00—Gripping heads and other end effectors
- B25J15/08—Gripping heads and other end effectors having finger members
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J19/00—Accessories fitted to manipulators, e.g. for monitoring, for viewing; Safety devices combined with or specially adapted for use in connection with manipulators
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
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- Engineering & Computer Science (AREA)
- Robotics (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Air-Flow Control Members (AREA)
Abstract
A ventilation rotating anti-winding grabbing device with compact structure and high reliability comprises a rotating mechanism, a sealing cavity and an air claw, wherein the sealing cavity comprises a rotating shaft connected with the rotating mechanism, a first bearing sleeved on the rotating shaft, a spacer bush, a second bearing and a bearing fixing seat, a connecting cover is installed at the top of the bearing fixing seat, a first annular channel and a third annular channel are arranged between the outer surface of the spacer bush and the bearing fixing seat, a second annular channel and a fourth annular channel are arranged between the inner surface of the spacer bush and the rotating shaft, the first annular channel is communicated with the second annular channel through an air hole, a first air channel communicated with the second annular channel is arranged inside the rotating shaft, the first air channel is communicated with a first air port of the air claw, the third annular channel is communicated with the fourth annular channel through an air hole, and a second air channel communicated with the fourth annular channel is arranged inside the rotating shaft, the second air channel is communicated with the second air port of the air claw.
Description
Technical Field
The invention relates to a ventilating rotary anti-winding grabbing device.
Background
To detect run-out of the inside circle of a workpiece similar to that of figure 1, the detection requires that the jaws grip the workpiece and the rotary mechanism is rotated through at least 360 degrees. In addition, considering the case that the rotating mechanism rotates with the air gripper, the air gripper rotates along with the rotating mechanism, and the problem of reliability of arrangement and connection of the air pipes has to be considered at this time.
Disclosure of Invention
In order to overcome the problems in the prior art, the invention aims to provide a ventilating rotary anti-winding grabbing device which is compact in structure and high in reliability.
In order to achieve the above purpose, the invention provides a ventilated rotating anti-winding grabbing device, which comprises a rotating mechanism, a sealing cavity connected to the rotating mechanism, and an air claw arranged above the sealing cavity, wherein the sealing air cavity comprises a rotating shaft connected to the rotating mechanism, a first bearing, a spacer bush and a second bearing, the first bearing, the spacer bush and the second bearing are sleeved on the rotating shaft, the first bearing and the second bearing are respectively positioned at the upper side and the lower side of the spacer bush, a bearing fixing seat is sleeved outside the rotating shaft, the first bearing, the spacer bush and the second bearing, a connecting cover is arranged at the top of the bearing fixing seat, the connecting cover is connected to the top end of the rotating shaft, and the air claw is arranged on the connecting cover; a first annular channel is arranged between the outer surface of the spacer bush and the bearing fixing seat, a second annular channel is arranged between the inner surface of the spacer bush and the rotating shaft, the first annular channel is communicated with the second annular channel through an air hole, a first pneumatic joint communicated with the first annular channel is arranged on the outer surface of the bearing fixing seat, a first air passage communicated with the second annular channel is arranged in the rotating shaft, and the first air passage is communicated with a first air port of the air claw; the pneumatic air-assisted bearing is characterized in that a third annular channel is arranged between the outer surface of the spacer sleeve and the bearing fixing seat, a fourth annular channel is arranged between the inner surface of the spacer sleeve and the rotating shaft, the third annular channel is communicated with the fourth annular channel through an air hole, a second pneumatic connector communicated with the third annular channel is arranged on the outer surface of the bearing fixing seat, a second air passage communicated with the fourth annular channel is arranged in the rotating shaft, and the second air passage is communicated with a second air port of the air claw.
Preferably, the first annular channel and the third annular channel comprise annular grooves arranged on the outer surface of the spacer sleeve.
Preferably, the second annular channel and the fourth annular channel comprise annular grooves arranged on the outer surface of the rotating shaft.
Preferably, the upper side and the lower side of the first annular channel, the second annular channel, the third annular channel and the fourth annular channel are respectively provided with a sealing ring.
Preferably, the first air port and the second air port of the air claw are respectively provided with a sealing ring.
Preferably, the seal ring comprises a star-shaped seal ring.
Preferably, the first bearing and the second bearing comprise deep groove ball bearings.
Preferably, the rotating mechanism is provided with a coupling.
Preferably, the rotating shaft comprises a rod part extending along the longitudinal direction and an end part extending along the horizontal plane, and the first air passage and the second air passage respectively comprise a longitudinal passage extending in the rod part and a transverse passage extending in the end part.
Preferably, the connecting cover is internally provided with a first switching port and a second switching port, the first air passage is communicated with the first air port of the air claw through the first switching port, and the second air passage is communicated with the second air port of the air claw through the second switching port.
By adopting the technical scheme, the device solves the inconvenience that the air pipe follows up along with the rotating mechanism, avoids the risk caused by winding of the air pipe, improves the reliability, and is small in occupied space, safe and stable in structure.
Drawings
FIG. 1 is a perspective view of a workpiece to be inspected;
FIG. 2 is a perspective view of a vented rotating anti-wind grip apparatus according to the present invention;
FIG. 3 is a half sectional view of a vented rotating anti-wind grip apparatus according to the present invention;
FIG. 4 is a full sectional view of the vented rotating anti-wind grip apparatus according to the present invention;
fig. 5 is an enlarged partial schematic view of a vented rotating anti-wind grip apparatus according to the present invention.
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the invention easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the invention.
FIG. 2 is a perspective view of a vented rotating anti-wind grip apparatus according to the present invention; the ventilation rotation anti-winding grabbing device in the embodiment comprises a rotating mechanism 1, a sealing cavity 2 connected to the rotating mechanism 1, and an air claw 3 installed above the sealing cavity 2, wherein the rotating mechanism 1 is provided with a coupler 8.
FIG. 3 is a half sectional view of a vented rotating anti-wind grip apparatus according to the present invention; the sealed air cavity 2 comprises a rotating shaft 4 connected to the rotating mechanism 1, a first bearing 5, a spacer bush 6 and a second bearing 7, wherein the first bearing 5, the spacer bush 6 and the second bearing 7 are sleeved on the rotating shaft 4, the first bearing 5 and the second bearing 7 are respectively positioned on the upper side and the lower side of the spacer bush 6, a bearing fixing seat 9 is sleeved outside the rotating shaft 4, the first bearing 5, the spacer bush 6 and the second bearing 7, a connecting cover 10 is installed at the top of the bearing fixing seat 9, the connecting cover 10 is connected to the top end of the rotating shaft 4, and the air claw 3; the first bearing 5 and the second bearing 7 comprise deep groove ball bearings.
FIG. 4 is a full sectional view of the vented rotating anti-wind grip apparatus according to the present invention; a first annular channel 11 is arranged between the outer surface of the spacer 6 and the bearing fixing seat 9, a second annular channel 12 is arranged between the inner surface of the spacer 6 and the rotating shaft 4, the first annular channel 11 is communicated with the second annular channel 12 through an air hole, a first pneumatic joint 15 communicated with the first annular channel 11 is arranged on the outer surface of the bearing fixing seat 9, a first air passage 17 communicated with the second annular channel 12 is arranged in the rotating shaft 4, and the first air passage 17 is communicated with a first air port 24 of the air claw 3; a third annular channel 13 is arranged between the outer surface of the spacer 6 and the bearing fixing seat 9, a fourth annular channel 14 is arranged between the inner surface of the spacer 6 and the rotating shaft 4, the third annular channel 13 is communicated with the fourth annular channel 14 through air holes, a second pneumatic connector 16 communicated with the third annular channel 13 is arranged on the outer surface of the bearing fixing seat 9, a second air passage 18 communicated with the fourth annular channel 14 is arranged in the rotating shaft 4, and the second air passage 18 is communicated with a second air port 25 of the air claw 3.
Fig. 5 is an enlarged partial schematic view of a vented rotating anti-wind grip apparatus according to the present invention. The first annular channel 11 and the third annular channel 13 comprise annular grooves arranged on the outer surface of the spacer 6, and the second annular channel 12 and the fourth annular channel 14 comprise annular grooves arranged on the outer surface of the rotating shaft 4. The shaft 4 comprises a stem 19 extending in a longitudinal direction and an end 20 extending in a horizontal plane, and the first air passage 17 and the second air passage 18 comprise a longitudinal passage extending in the stem 19 and a transverse passage extending in the end 20, respectively. The connecting cover 10 is internally provided with a first adapter port 21 and a second adapter port 22, the first air passage 17 is communicated with a first air port 24 of the air claw 3 through the first adapter port 21, and the second air passage 18 is communicated with a second air port 25 of the air claw 3 through the second adapter port 22.
The upper side and the lower side of the first annular channel 11, the second annular channel 12, the third annular channel 13 and the fourth annular channel 14 are respectively provided with a sealing ring 23. The first and second ports 24 and 25 of the gas claw 3 are provided with sealing rings 23, respectively. Due to the existence of the sealing ring, the sealing performance of the whole gas circuit is ensured under the condition that the spacer bush and the rotating shaft move relatively. The seal ring 23 comprises a star-shaped seal ring, and the surface in contact with the seal ring 23 needs to be oiled to reduce friction and enhance sealing.
When the rotating mechanism works, the rotating shaft rotates to drive the air claw to rotate through the switching block. At the moment, the working gas enters the first gas port of the gas claw through the first annular channel and the second annular channel to control the gas claw to extend out. In a similar way, the working gas enters the second gas port of the gas claw through the third annular channel and the fourth annular channel to control the gas claw to retract, so that the function of rotary grabbing is realized. The mechanism solves the inconvenience that the air pipe follows up along with the rotating mechanism, avoids the risk caused by winding of the air pipe, improves the reliability, has small occupied space of the structure, is safe and stable, and can be applied to a Fanyi oil seal assembly line.
The above embodiments are merely illustrative of the technical concept and features of the present invention, and the present invention is not limited thereto, and any equivalent changes or modifications made according to the spirit of the present invention should be included in the scope of the present invention.
Claims (10)
1. The utility model provides a rotatory antiwind grabbing device ventilates which characterized in that: the sealing air cavity comprises a rotating shaft connected with the rotating mechanism, a first bearing, a spacer bush and a second bearing sleeved on the rotating shaft, the first bearing and the second bearing are respectively positioned on the upper side and the lower side of the spacer bush, bearing fixing seats are sleeved outside the rotating shaft, the first bearing, the spacer bush and the second bearing, a connecting cover is installed at the top of the bearing fixing seats and connected to the top end of the rotating shaft, and the air claw is installed on the connecting cover; wherein the content of the first and second substances,
a first annular channel is arranged between the outer surface of the spacer bush and the bearing fixing seat, a second annular channel is arranged between the inner surface of the spacer bush and the rotating shaft, the first annular channel is communicated with the second annular channel through an air hole, a first pneumatic joint communicated with the first annular channel is arranged on the outer surface of the bearing fixing seat, a first air passage communicated with the second annular channel is arranged in the rotating shaft, and the first air passage is communicated with a first air port of the air claw;
the pneumatic air-assisted bearing is characterized in that a third annular channel is arranged between the outer surface of the spacer sleeve and the bearing fixing seat, a fourth annular channel is arranged between the inner surface of the spacer sleeve and the rotating shaft, the third annular channel is communicated with the fourth annular channel through an air hole, a second pneumatic connector communicated with the third annular channel is arranged on the outer surface of the bearing fixing seat, a second air passage communicated with the fourth annular channel is arranged in the rotating shaft, and the second air passage is communicated with a second air port of the air claw.
2. The vented rotating anti-wind grip apparatus of claim 1, wherein: the first annular channel and the third annular channel comprise annular grooves arranged on the outer surface of the spacer bush.
3. The vented rotating anti-wind grip apparatus of claim 1, wherein: the second annular channel and the fourth annular channel comprise annular grooves arranged on the outer surface of the rotating shaft.
4. The vented rotating anti-wind grip apparatus of claim 3 or 4, wherein: and the upper side and the lower side of the first annular channel, the second annular channel, the third annular channel and the fourth annular channel are respectively provided with a sealing ring.
5. The vented rotating anti-wind grip apparatus of claim 1, wherein: and the first air port and the second air port of the air claw are respectively provided with a sealing ring.
6. The vented rotating anti-wind grip apparatus of claim 4 or 5, wherein: the sealing ring comprises a star-shaped sealing ring.
7. The vented rotating anti-wind grip apparatus of claim 1, wherein: the first bearing and the second bearing comprise deep groove ball bearings.
8. The vented rotating anti-wind grip apparatus of claim 1, wherein: the rotating mechanism is provided with a coupler.
9. The vented rotating anti-wind grip apparatus of claim 1, wherein: the rotating shaft comprises a rod part extending along the longitudinal direction and an end part extending along the horizontal plane, and the first air passage and the second air passage respectively comprise a longitudinal passage extending in the rod part and a transverse passage extending in the end part.
10. The vented rotating anti-wind grip apparatus of claim 1, wherein: the connecting cover is internally provided with a first switching port and a second switching port, the first air channel is communicated with the first air port of the air claw through the first switching port, and the second air channel is communicated with the second air port of the air claw through the second switching port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011291130.7A CN112428289A (en) | 2020-11-18 | 2020-11-18 | Ventilating rotary anti-winding gripping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011291130.7A CN112428289A (en) | 2020-11-18 | 2020-11-18 | Ventilating rotary anti-winding gripping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112428289A true CN112428289A (en) | 2021-03-02 |
Family
ID=74692813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011291130.7A Pending CN112428289A (en) | 2020-11-18 | 2020-11-18 | Ventilating rotary anti-winding gripping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112428289A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113478521A (en) * | 2021-07-14 | 2021-10-08 | 东莞科卓机器人有限公司 | Horizontal joint robot shared by gas circuit and circuit |
-
2020
- 2020-11-18 CN CN202011291130.7A patent/CN112428289A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113478521A (en) * | 2021-07-14 | 2021-10-08 | 东莞科卓机器人有限公司 | Horizontal joint robot shared by gas circuit and circuit |
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