CN114074340A - A quick-change device with locking and automatic loosening functions - Google Patents

A quick-change device with locking and automatic loosening functions Download PDF

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Publication number
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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China
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locking
piston rod
loosening
marbles
groove
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CN202111486803.9A
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Chinese (zh)
Inventor
李小龙
陆斌
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Jiangsu Yipp Industrial Automation Systems Co ltd
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Jiangsu Yipp Industrial Automation Systems Co ltd
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Priority to CN202111486803.9A priority Critical patent/CN114074340A/en
Publication of CN114074340A publication Critical patent/CN114074340A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25JMANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
    • B25J19/00Accessories 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)
  • Manipulator (AREA)

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

Quick switching device with locking and automatic loosening functions
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)

1.一种具有锁紧及自动松开功能的快换装置,其特征在于:包括一个主连接盘、多个副连接盘及活塞杆,所述主连接盘端部固定安装有后盖板,主连接盘中部设有前部突出于主连接盘的活塞杆导向套,后盖板上固定安装有伸入到活塞杆导向套内的弹簧,所述活塞杆安装在活塞杆导向套内并与弹簧相抵,所述活塞杆导向套上分别交错设置有多个锁紧弹珠让位孔及多个松开弹珠让位孔,每个所述锁紧弹珠让位孔处活动的设置有锁紧弹珠,每个所述松开弹珠让位孔处活动的设置有松开弹珠,所述活塞杆在与锁紧弹珠相对应的位置为锥面,在与松开弹珠相对应的位置设有向内的活塞杆弧形凹槽,每个所述副连接盘在与活塞杆导向套相对应位置设有导向套让位孔,导向套让位孔的内壁由前而后设有多个与锁紧弹珠相对应的锁紧槽,导向套让位孔的内壁由后而前设有多个与松开弹珠相对应的松开槽,所述锁紧槽后端部为弧形台阶,所述松开槽前部为锥面。1. A quick-change device with locking and automatic loosening functions is characterized in that: it comprises a main connecting plate, a plurality of auxiliary connecting plates and a piston rod, and the end of the main connecting plate is fixedly installed with a rear cover plate, The middle part of the main connecting plate is provided with a piston rod guide sleeve whose front part protrudes from the main connecting plate, and a spring extending into the piston rod guide sleeve is fixedly installed on the rear cover. The springs are in contact with each other, and the piston rod guide sleeve is respectively provided with a plurality of holes for locking marbles and a plurality of holes for releasing marbles, and each of the holes for locking marbles is movably provided with Locking the marbles, a loose marble is arranged at each of the holes for loosening the marbles, and the piston rod is a cone at the position corresponding to the locking marbles, and the piston rod is a tapered surface at the position corresponding to the locking marbles. The corresponding position is provided with an inward arc-shaped groove of the piston rod, and each of the auxiliary connecting plates is provided with a guide sleeve giving way hole at a position corresponding to the piston rod guide sleeve, and the inner wall of the guide sleeve giving way hole is from front to back. There are a plurality of locking grooves corresponding to the locking marbles, and the inner wall of the guide sleeve giving way hole is provided with a plurality of loosening grooves corresponding to the loosening marbles from the back to the front. The rear end of the locking groove The part is an arc-shaped step, and the front part of the loosening slot is a tapered surface. 2.根据权利要求1所述的一种具有锁紧及自动松开功能的快换装置,其特征在于,锁紧弹珠让位孔及松开弹珠让位孔均为三个。2 . The quick-change device with locking and automatic loosening functions according to claim 1 , wherein there are three holes for locking marbles and three holes for releasing marbles. 3 . 3.根据权利要求1所述的一种具有锁紧及自动松开功能的快换装置,其特征在于,活塞杆后部设有弹簧让位槽,所述弹簧卡设于弹簧让位槽内。3 . The quick-change device with locking and automatic releasing functions according to claim 1 , wherein the rear part of the piston rod is provided with a spring giving way groove, and the spring is clamped in the spring giving way groove. 4 . . 4.根据权利要求1所述的一种具有锁紧及自动松开功能的快换装置,其特征在于,主连接盘的外缘上固定设有多个定位销,副连接盘在与定位销相对应位置设有导向定位孔。4. A quick-change device with locking and automatic releasing functions according to claim 1, wherein a plurality of positioning pins are fixed on the outer edge of the main connecting plate, and the auxiliary connecting plate is connected with the positioning pins. Corresponding positions are provided with guide positioning holes. 5.根据权利要求1所述的一种具有锁紧及自动松开功能的快换装置,其特征在于,活塞杆后部设有第一密封槽,第一密封槽处安装有第一密封圈。5 . The quick-change device with locking and automatic releasing functions according to claim 1 , wherein a first sealing groove is provided at the rear of the piston rod, and a first sealing ring is installed at the first sealing groove. 6 . . 6.根据权利要求1所述的一种具有锁紧及自动松开功能的快换装置,其特征在于,活塞杆中部设有第二密封槽,第二密封槽处安装有第二密封圈。6 . The quick-change device with locking and automatic loosening functions according to claim 1 , wherein a second sealing groove is provided in the middle of the piston rod, and a second sealing ring is installed at the second sealing groove. 7 . 7.根据权利要求1所述的一种具有锁紧及自动松开功能的快换装置,其特征在于,主连接盘的后端部设有第三密封槽,第三密封槽处安装有第三密封圈。7 . The quick-change device with locking and automatic releasing functions according to claim 1 , wherein a third sealing groove is provided at the rear end of the main connecting plate, and a third sealing groove is installed at the third sealing groove. 8 . Three sealing rings. 8.根据权利要求1所述的一种具有锁紧及自动松开功能的快换装置,其特征在于,活塞杆下部设有磁环安装槽,磁环安装槽处安装有磁环,活塞杆导向套内壁上固定安装有前极限位置感应器及后极限位置感应器。8. A quick-change device with locking and automatic loosening functions according to claim 1, wherein the lower part of the piston rod is provided with a magnetic ring installation groove, the magnetic ring installation groove is installed with a magnetic ring, and the piston rod is provided with a magnetic ring. A front limit position sensor and a rear limit position sensor are fixedly installed on the inner wall of the guide sleeve.
CN202111486803.9A 2021-12-07 2021-12-07 A quick-change device with locking and automatic loosening functions Pending CN114074340A (en)

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CN202111486803.9A CN114074340A (en) 2021-12-07 2021-12-07 A quick-change device with locking and automatic loosening functions

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Application Number Priority Date Filing Date Title
CN202111486803.9A CN114074340A (en) 2021-12-07 2021-12-07 A quick-change device with locking and automatic loosening functions

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Cited By (2)

* Cited by examiner, † Cited by third party
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

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108673546A (en) * 2018-07-11 2018-10-19 江苏宇邦工业自动化系统有限公司 A kind of robot exchange tool system
CN213674184U (en) * 2020-10-20 2021-07-13 重庆延锋安道拓汽车部件系统有限公司 Quick replacing device for butt joint parts
DE102020113412A1 (en) * 2020-05-18 2021-11-18 Schunk Gmbh & Co. Kg Spann- Und Greiftechnik Jaw quick-change system for gripping devices and gripping devices
CN216422621U (en) * 2021-12-07 2022-05-03 江苏宇邦工业自动化系统有限公司 Quick switching device with locking and automatic loosening functions

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108673546A (en) * 2018-07-11 2018-10-19 江苏宇邦工业自动化系统有限公司 A kind of robot exchange tool system
DE102020113412A1 (en) * 2020-05-18 2021-11-18 Schunk Gmbh & Co. Kg Spann- Und Greiftechnik Jaw quick-change system for gripping devices and gripping devices
CN213674184U (en) * 2020-10-20 2021-07-13 重庆延锋安道拓汽车部件系统有限公司 Quick replacing device for butt joint parts
CN216422621U (en) * 2021-12-07 2022-05-03 江苏宇邦工业自动化系统有限公司 Quick switching device with locking and automatic loosening functions

Cited By (3)

* Cited by examiner, † Cited by third party
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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