CN114074340A - Quick switching device with locking and automatic loosening functions - Google Patents
Quick switching device with locking and automatic loosening functions Download PDFInfo
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- CN114074340A CN114074340A CN202111486803.9A CN202111486803A CN114074340A CN 114074340 A CN114074340 A CN 114074340A CN 202111486803 A CN202111486803 A CN 202111486803A CN 114074340 A CN114074340 A CN 114074340A
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- locking
- piston rod
- marble
- connecting disc
- groove
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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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- Engineering & Computer Science (AREA)
- Robotics (AREA)
- Mechanical Engineering (AREA)
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Abstract
The invention relates to the technical field of robot machining equipment, in particular to a quick-change device with locking and automatic loosening functions, which comprises a main connecting disc, a plurality of auxiliary connecting discs and a piston rod, wherein a piston rod guide sleeve is arranged in the middle of the main connecting disc, a plurality of locking marble abdicating holes and a plurality of marble abdicating holes are respectively arranged on the piston rod guide sleeve in a staggered mode, locking marbles are arranged at the marble abdicating holes, loosening marbles are arranged at the marble abdicating holes, the piston rod is a conical surface at the positions corresponding to the locking marbles, a piston rod arc-shaped groove is arranged at the positions corresponding to the loosening marbles, a plurality of locking grooves and a plurality of loosening grooves are arranged on the inner wall of each auxiliary connecting disc guide sleeve abdicating hole, the rear end part of each locking groove is an arc-shaped step, and the front part of each loosening groove is a conical surface. The device provided by the invention has a simple structure, can realize an automatic locking function and an automatic loosening function, and ensures the safe operation of equipment.
Description
Technical Field
The invention relates to the technical field of robot automation equipment, in particular to a quick-change device with locking and automatic loosening functions.
Background
In the field of robot automation, different end effectors or peripheral devices need to be automatically replaced by a robot, generally, a main connecting disc is connected with a robot arm through a quick-change device, auxiliary connecting discs are installed on corresponding stations, the main connecting disc is driven to move through the movement of the robot arm to be communicated with the auxiliary connecting discs on a plurality of stations, and the connection and disconnection of media such as gas and liquid or electric signals and communication signals of the corresponding stations are achieved. In the traditional quick-change device, only the locking function is arranged between the main connecting disc and the auxiliary connecting disc, but the automatic loosening function is not arranged, so that the quick-change device cannot be ensured to execute other actions in a loosening safety state, and the working reliability of the quick-change device cannot be ensured.
Disclosure of Invention
The invention aims to solve the technical problem of providing a quick-change device with locking and automatic loosening functions, which has a simple structure, can realize the automatic locking function and the automatic loosening function, and ensures the safe operation of equipment.
The invention is realized by the following technical scheme:
a quick-change device with locking and automatic releasing functions comprises a main connecting disc, a plurality of auxiliary connecting discs and a piston rod, wherein a rear cover plate is fixedly installed at the end part of the main connecting disc, a piston rod guide sleeve with the front part protruding out of the main connecting disc is arranged in the middle of the main connecting disc, a spring extending into the piston rod guide sleeve is fixedly installed on the rear cover plate, the piston rod is installed in the piston rod guide sleeve and abuts against the spring, a plurality of locking marble yielding holes and a plurality of releasing marble yielding holes are respectively arranged on the piston rod guide sleeve in a staggered mode, each locking marble yielding hole is movably provided with a locking marble, each releasing marble yielding hole is movably provided with a releasing marble, the piston rod is a conical surface at a position corresponding to the locking marble, an inward piston rod arc-shaped groove is arranged at a position corresponding to the releasing marble, and a guide sleeve yielding hole is arranged at a position corresponding to the piston rod guide sleeve on each auxiliary connecting disc, the inner wall of the guide sleeve abdicating hole is provided with a plurality of locking grooves corresponding to the locking marbles from front to back, the inner wall of the guide sleeve abdicating hole is provided with a plurality of loosening grooves corresponding to the loosening marbles from back to front, the rear end part of each locking groove is an arc-shaped step, and the front part of each loosening groove is a conical surface.
Optimized, the locking marble yielding holes and the releasing marble yielding holes are three.
Further, the rear portion of the piston rod is provided with a spring yielding groove, and the spring is clamped in the spring yielding groove.
Furthermore, a plurality of positioning pins are fixedly arranged on the outer edge of the main connecting disc, and guide positioning holes are formed in the positions, corresponding to the positioning pins, of the auxiliary connecting disc.
Further, the rear portion of the piston rod is provided with a first sealing groove, and a first sealing ring is installed at the first sealing groove.
Furthermore, a second sealing groove is formed in the middle of the piston rod, and a second sealing ring is installed at the second sealing groove.
Furthermore, the rear end of the main connecting disc is provided with a third sealing groove, and a third sealing ring is installed at the third sealing groove.
Preferably, the lower part of the piston rod is provided with a magnetic ring installation groove, a magnetic ring is installed at the magnetic ring installation groove, and a front limit position sensor and a rear limit position sensor are fixedly installed on the inner wall of the piston rod guide sleeve.
The invention has the advantages of
The invention provides a quick switching device with locking and automatic loosening functions, which has the following advantages:
1. simple structure, convenient manufacture and installation and low operation cost.
2. The occupied area is small.
3. The multi-station power-on and communication device can realize the rapid conversion of multi-station power-on, communication and air sources or water sources, and improves the processing efficiency.
4. The automatic locking function can be realized, the automatic loosening function can be realized, and the safe operation of the equipment is ensured.
Drawings
FIG. 1 is a schematic top view of the present invention;
FIG. 2 is a cross-sectional view taken along line M-M of a schematic top view of the present invention;
in the drawing, 1, a rear cover plate, 2, a piston rod guide sleeve, 3, a spring yielding groove, 4, a positioning pin, 5, a guide positioning hole, 6, an auxiliary connecting disc, 7, a locking marble, 8, a guide sleeve yielding hole, 9, a locking marble yielding hole, 10, a piston rod, 11, a marble loosening yielding hole, 12, a marble loosening, 13, a second sealing ring, 14, a first sealing ring, 15, a magnetic ring, 16, a main connecting disc, 17, a third sealing ring, 18, a spring, 19, a locking groove, 20, a piston rod arc-shaped groove, 21, an arc-shaped step and 22, a loosening groove are arranged.
Detailed Description
A quick-change device with locking and automatic releasing functions comprises a main connecting disc 16, a plurality of auxiliary connecting discs 6 and a piston rod 10, a rear cover plate 1 is fixedly arranged at the end part of the main connecting disc, a piston rod guide sleeve 2 with the front part protruding out of the main connecting disc is arranged in the middle part of the main connecting disc, a spring 18 extending into the piston rod guide sleeve is fixedly arranged on the rear cover plate, the piston rod is arranged in the piston rod guide sleeve and is abutted against the spring, the piston rod guide sleeve is respectively provided with a plurality of marble locking yielding holes 9 and a plurality of marble loosening yielding holes 11 in a staggered manner, each marble locking yielding hole is movably provided with a marble locking 7, each marble loosening yielding hole is movably provided with a marble loosening 12, the piston rod is a conical surface at the position corresponding to the locking marble, and an inward piston rod arc-shaped groove 20 is arranged at the position corresponding to the unlocking marble.
The arrangement of the arc-shaped groove of the piston rod enables the piston rod to be in a locking state, the unlocking marble is laid at the arc-shaped groove of the piston rod, the locking of the locking marble is not affected, and the unlocking marble can be extruded from the arc-shaped groove of the piston rod to reset and matched with the conical surface of the unlocking groove when the piston rod moves downwards, so that the main connecting disc is automatically in an unlocking state.
Every vice connection pad is equipped with uide bushing hole 8 of stepping down in the position corresponding with the piston rod uide bushing, and the inner wall in uide bushing hole of stepping down is by preceding then be equipped with a plurality of locking grooves 19 corresponding with the locking marble, and the inner wall in uide bushing hole of stepping down is by the back and preceding be equipped with a plurality of and loosen the corresponding groove 22 of loosening of marble, the tip is arc step 21 behind the locking groove.
The arrangement of the conical surface of the piston rod is matched with the locking groove, and the rear end part of the locking groove is provided with the arc-shaped step, so that after the piston rod runs in place, the locking marble is automatically positioned at the arc-shaped step, the main connecting disc and the auxiliary connecting disc are locked, and the main connecting disc and the auxiliary connecting disc are prevented from being loosened in the connecting process. The operation is stable and reliable, no extra part is needed, the automatic locking and the unlocking of the main connecting disc and the auxiliary connecting disc can be realized only by matching the shapes of the piston rod and the auxiliary connecting disc, the structure is simple, and the cost is low.
Optimized, the locking marble yielding holes and the releasing marble yielding holes are three. The structure can be simplified as much as possible, and good locking and automatic loosening effects can be guaranteed.
Further, the piston rod rear portion is equipped with spring groove 3 of stepping down, the spring card is located the spring and is stepped down the inslot, and the setting of spring for the piston rod is under the condition that does not have atmospheric pressure, and the spring restoring force makes the piston rod push forward, guarantees under the condition that does not have the air supply, and quick change main disc and auxiliary still can lock, and under certain atress condition, do not fall off, its simple structure, convenient assembling, and the operation is more reliable and more stable.
Furthermore, a plurality of positioning pins 4 are fixedly arranged on the outer edge of the main connecting disc, and guide positioning holes 5 are arranged at the positions of the auxiliary connecting disc corresponding to the positioning pins. The main connecting disc and the auxiliary connecting disc are matched more stably and reliably, and stable operation is realized.
Further, the rear portion of the piston rod is provided with a first sealing groove, and a first sealing ring 14 is installed at the first sealing groove, so that reliable sealing between the piston rod and the rear portion of the inner wall of the piston rod guide sleeve can be achieved.
Further, the middle part of the piston rod is provided with a second sealing groove, and a second sealing ring 13 is arranged at the second sealing groove, so that reliable sealing between the middle part of the inner wall of the piston rod and the middle part of the inner wall of the piston rod guide sleeve can be realized.
Further, the rear end of the main connecting disc is provided with a third sealing groove, and a third sealing ring 17 is installed at the third sealing groove, so that reliable sealing between the main connecting disc and the rear cover plate can be realized.
Preferably, the lower portion of the piston rod is provided with a magnetic ring installation groove, a magnetic ring 15 is installed at the magnetic ring installation groove, a front limit position sensor (not shown) and a rear limit position sensor (not shown) are fixedly installed on the inner wall of the piston rod guide sleeve, when the magnetic ring runs to the front limit position sensor or the rear limit position sensor, the front limit position sensor or the rear limit position sensor senses that information is transmitted to the controller, and the controller commands the robot to execute the next action.
The invention provides a quick switching device with locking and automatic loosening functions, which is provided with a plurality of sets of auxiliary connecting discs and a set of main connecting disc, wherein the set of main connecting disc system can be quickly switched among the plurality of sets of auxiliary connecting disc systems through the movement of the main connecting disc, and the main connecting disc and the auxiliary connecting discs are respectively provided with a circuit connection system, a communication system and a water path or gas path system which correspond to each other. Not only simple structure, area is little, has reduced the manufacturing cost of enterprise moreover, has improved production efficiency. The circuit connection system, the communication system and the water path or air path system are conventional and are not shown in the drawings.
When the main connecting disc moves to a position opposite to the corresponding auxiliary connecting disc and contacts with the auxiliary connecting disc, the piston rod guide sleeve of the main connecting disc extends into the guide sleeve abdicating hole of the auxiliary connecting disc, the piston rod moves to the end part of the piston rod guide sleeve along the piston rod under the driving of air pressure, because the piston rod is a conical surface at the position corresponding to the locking marble, along with the operation of the piston rod, the piston rod gradually extrudes the locking marble outwards from the locking marble abdicating hole until the locking groove of the guide sleeve abdicating hole, the piston rod stops operating, the main connecting disc can not move backwards, the locking of the main connecting disc and the auxiliary connecting disc is realized, the main connecting disc and the auxiliary connecting disc are reliably communicated and stably operate, and at the moment, the released marble is just positioned in the arc-shaped groove of the piston rod.
When the main connecting disc and the auxiliary connecting disc are required to be loosened, the piston rod retracts under the action of pressure, the locking marble is gradually reset to the position yielding hole of the locking marble under the action of the conical surface of the piston rod, the locking marble is not in contact with the auxiliary disc, the front part of the loosening groove is a conical surface, the loosening marble is pushed by the piston rod, the loosening marble leaves the arc-shaped groove of the piston rod and moves towards the direction of the loosening groove until the loosening marble moves to the conical surface of the loosening groove to jack up the auxiliary connecting disc, the complete loosening of the main connecting disc and the auxiliary connecting disc is ensured, other operations are ensured to be executed in a loosening state, and the safety performance of the system is enhanced.
In conclusion, the quick-change device with the locking and automatic loosening functions provided by the invention has a simple structure, can realize the automatic locking function and the automatic loosening function, and ensures the safe operation of equipment.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by 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 protection scope of the present invention.
Claims (8)
1. The utility model provides a quick change device with locking and automatic function of loosening which characterized in that: the locking mechanism comprises a main connecting disc, a plurality of auxiliary connecting discs and a piston rod, wherein a rear cover plate is fixedly installed at the end part of the main connecting disc, a piston rod guide sleeve with the front part protruding out of the main connecting disc is arranged in the middle of the main connecting disc, a spring extending into the piston rod guide sleeve is fixedly installed on the rear cover plate, the piston rod is installed in the piston rod guide sleeve and abuts against the spring, a plurality of locking marble abdicating holes and a plurality of releasing marble abdicating holes are respectively arranged on the piston rod guide sleeve in a staggered mode, a locking marble is movably arranged at each locking marble abdicating hole, a releasing marble is movably arranged at each releasing marble abdicating hole, the piston rod is a conical surface at a position corresponding to the locking marble, an inward piston rod arc-shaped groove is arranged at a position corresponding to the releasing marble, and a guide sleeve abdicating hole is arranged at each auxiliary connecting disc at a position corresponding to the piston rod guide sleeve, the inner wall of the guide sleeve abdicating hole is provided with a plurality of locking grooves corresponding to the locking marbles from front to back, the inner wall of the guide sleeve abdicating hole is provided with a plurality of loosening grooves corresponding to the loosening marbles from back to front, the rear end part of each locking groove is an arc-shaped step, and the front part of each loosening groove is a conical surface.
2. The quick-change device with locking and automatic releasing functions as claimed in claim 1, wherein there are three locking and releasing ball abdicating holes.
3. The quick-change device with locking and automatic releasing functions as claimed in claim 1, wherein the rear portion of the piston rod is provided with a spring relief groove, and the spring is clamped in the spring relief groove.
4. The quick-change device with locking and automatic releasing functions as claimed in claim 1, wherein the main connecting disc has a plurality of positioning pins fixed on its outer periphery, and the auxiliary connecting disc has guiding positioning holes corresponding to the positioning pins.
5. The quick-change device with locking and automatic releasing functions as claimed in claim 1, wherein a first sealing groove is formed at the rear part of the piston rod, and a first sealing ring is installed at the first sealing groove.
6. The quick-change device with the locking and automatic releasing functions as claimed in claim 1, wherein a second sealing groove is formed in the middle of the piston rod, and a second sealing ring is mounted on the second sealing groove.
7. The quick-change device with locking and automatic releasing functions as claimed in claim 1, wherein the rear end of the main connecting disc is provided with a third sealing groove, and a third sealing ring is mounted at the third sealing groove.
8. The quick release device with locking and automatic releasing functions as claimed in claim 1, wherein the piston rod has a magnetic ring mounting groove at the lower portion thereof, a magnetic ring is mounted at the magnetic ring mounting groove, and the inner wall of the piston rod guide sleeve is fixedly mounted with a front limit position sensor and a rear limit position sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111486803.9A CN114074340A (en) | 2021-12-07 | 2021-12-07 | Quick switching device with locking and automatic loosening functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111486803.9A CN114074340A (en) | 2021-12-07 | 2021-12-07 | Quick switching device with locking and automatic loosening functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114074340A true CN114074340A (en) | 2022-02-22 |
Family
ID=80284620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111486803.9A Pending CN114074340A (en) | 2021-12-07 | 2021-12-07 | Quick switching device with locking and automatic loosening functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114074340A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115122372A (en) * | 2022-07-19 | 2022-09-30 | 广州里工实业有限公司 | Mechanical arm quick-change device, mounting method and robot |
| CN116533218A (en) * | 2023-05-24 | 2023-08-04 | 上海智元新创技术有限公司 | Quick-dismantling device and robot |
-
2021
- 2021-12-07 CN CN202111486803.9A patent/CN114074340A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115122372A (en) * | 2022-07-19 | 2022-09-30 | 广州里工实业有限公司 | Mechanical arm quick-change device, mounting method and robot |
| CN116533218A (en) * | 2023-05-24 | 2023-08-04 | 上海智元新创技术有限公司 | Quick-dismantling device and robot |
| CN116533218B (en) * | 2023-05-24 | 2024-05-03 | 上海智元新创技术有限公司 | Quick-dismantling device and robot |
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