CN108527343A - A kind of adjustable working table mechanical arm - Google Patents

A kind of adjustable working table mechanical arm Download PDF

Info

Publication number
CN108527343A
CN108527343A CN201810659873.1A CN201810659873A CN108527343A CN 108527343 A CN108527343 A CN 108527343A CN 201810659873 A CN201810659873 A CN 201810659873A CN 108527343 A CN108527343 A CN 108527343A
Authority
CN
China
Prior art keywords
mechanical arm
pitching
middle bar
spanner
adjustable
Prior art date
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
Application number
CN201810659873.1A
Other languages
Chinese (zh)
Inventor
李兴强
侯志刚
李慧斌
胡建国
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Guangzhou Airlines Technology Co Ltd
Original Assignee
Guangdong Guangzhou Airlines Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guangdong Guangzhou Airlines Technology Co Ltd filed Critical Guangdong Guangzhou Airlines Technology Co Ltd
Priority to CN201810659873.1A priority Critical patent/CN108527343A/en
Publication of CN108527343A publication Critical patent/CN108527343A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25JMANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
    • B25J9/00Programme-controlled manipulators
    • B25J9/02Programme-controlled manipulators characterised by movement of the arms, e.g. cartesian coordinate type
    • B25J9/04Programme-controlled manipulators characterised by movement of the arms, e.g. cartesian coordinate type by rotating at least one arm, excluding the head movement itself, e.g. cylindrical coordinate type or polar coordinate type
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25JMANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
    • B25J18/00Arms
    • B25J18/02Arms extensible
    • B25J18/04Arms extensible rotatable

Landscapes

  • Engineering & Computer Science (AREA)
  • Robotics (AREA)
  • Mechanical Engineering (AREA)
  • Workshop Equipment, Work Benches, Supports, Or Storage Means (AREA)

Abstract

The invention discloses a kind of adjustable working table mechanical arms, including loading falsework, telescopic unit, pitching unit, middle bar, rotating base, pedestal and connection stake;The pitching spanner of pressing pitching unit can realize the variation of workbench mechanical arm pitch angle;The operation handle of rotary extension unit can realize that workbench mechanical arm is flexible;By the relative rotation between the rotating base and pedestal of flexible connection with positioning, it can be achieved that workbench mechanical arm rocks back and forth.The adjustable working table of the present invention is not necessarily to mechanical arm as full-automatic or automanual mechanical arm, the movement locus of mechanical arm is programmed or is preset track, the posture positions such as adjustment that can be convenient, flexible and the pitch angle, height, the longitudinal separation that lock workbench, and manufacturing cost is relatively low, can be widely applied in industrial processes.

Description

A kind of adjustable working table mechanical arm
Technical field
The present invention relates to mechanical arm technical field more particularly to a kind of adjustable workbench mechanical arms.
Background technology
The big multiposition of workbench in existing industrial production is fixed, and it is soft to the progress of large volume component to be unsuitable for worker Property assembly, operator needs to move article on workbench manually back and forth, expends a large amount of muscle power, and working efficiency compared with It is low, need a kind of workbench position and the posture of workbench can be adjusted flexibly, and can according to the demand of operator and workpiece The load-bearing working condition being presently in the locking institute workbench of safety and firmness.
On the other hand, in existing industrial processes, full-automatic or automanual mechanical arm is widely answered For in material transportation, but these are required for the movement locus of mechanical arm being programmed or preset track, movement Mode is dumb and cost is very high.Common mechanical arm is complicated, of high cost, and operation and control is inconvenient flexibly, institute To be not suitable for the use demand of adjustable working table.
Therefore, those skilled in the art is dedicated to developing a kind of manually adjustable workbench mechanical arm, Ke Yifang Just it flexibly adjusts and positions and the postures such as the pitch angle, height, the longitudinal separation that lock workbench.
Invention content
In view of the drawbacks described above of the prior art, the technical problem to be solved by the present invention is to how realize workbench each Realization facilitates adjustable on a degree of freedom, front-rear direction, upper and lower directions and flip angle, and can be locked to required posture position It is fixed.
To achieve the above object, the present invention provides a kind of adjustable workbench mechanical arm, including loading falsework, Telescopic unit, pitching unit, middle bar, rotating base, pedestal and connection stake;The telescopic unit include operation handle, extensible member, Fixing piece, the fixing piece are movably connected on the middle bar, and the operation handle is connected on the fixing piece, described flexible Part can be movably connected in relative to the fixing piece stretching motion, the loading falsework on the extensible member;The pitching list Member includes pitching spanner, pitch regulation component, and the pitching spanner is arranged in the middle bar middle front part, the pitch regulation component For Meshing Pair, it is separately positioned on the other end of the middle bar and one end of the rotating base, the middle bar can move up and down, make The pitch regulation component Meshing Pair is detached from or resets;The other end of the rotating base passes through positioning rotating shaft and the pedestal One end is flexibly connected, and the other end in the pedestal is arranged in the connection stake;The work can be realized by pressing the pitching spanner The variation of platform mechanical arm pitch angle;The operation handle in the telescopic unit is rotated, it can be achieved that the workbench is used Mechanical arm stretches.
Further, the pitching spanner is lever mechanism, and fulcrum is sleeved on the middle bar front end, and power point is described bows The handle of spanner is faced upward, resistance point is fixed with middle bar front end;The Meshing Pair of the pitch regulation component is gear shaping and indexing tooth positioning Slot, the gear shaping are movably connected in the middle rod rear end, can be moved forward and backward with middle bar, realize and index nibbling for tooth locating slot with described It closes and is detached from, the indexing tooth locating slot is movably connected in the rotating base front end, depresses the pitching spanner, can drive institute Middle bar is stated to travel forward.
Further, the pitch regulation component further includes resetting spring, and setting is in one side pressure of the gear shaping and tightly described Gear shaping indexes what tooth locating slot engaged for resetting to, the gear shaping after discharging the power for depressing the pitching spanner with described State locks the loading falsework elevation angle.
Further, the indexing tooth locating slot is additionally provided with limit shaft, for limit the indexing tooth locating slot around The slewing area of the positioning rotating shaft, each rotation in left and right are no more than 20 °.
Further, the adjusting range of the pitch regulation component pitching movement angle is 0~30 °, and scale interval is little In 6 °.
Further, the fixing piece in the telescopic unit is gear, the extensible member is rack, the flexible list Member further includes locating piece, and the locating piece is spring holder, be arranged on the gear it is fluted, when unclamping the spring positioning When selling and it being made to fall into the groove, the spring holder, which locks the gear, makes it stop rotating.
Still further, the groove has 12.
Further, the pedestal is collapsible base, and it is 65 ° to fold rotational angle, be may be implemented certainly after folding rotation Dynamic locking.
Further, the workbench mechanical arm can be around the 360 ° of rotations of operation console column axis, the loading work Frame can be rotated around the extensible member.
Further, the height of the loading falsework is adjustable within the scope of 1600mm~2100mm.
By the mechanical arm mechanism can be convenient, flexible adjustment and lock the pitch angle of workbench, height, it is front and back away from From equal posture positions.
The technique effect of the design of the present invention, concrete structure and generation is described further below with reference to attached drawing, with It is fully understood from the purpose of the present invention, feature and effect.
Description of the drawings
Fig. 1 is the surface structure schematic diagram of adjustable working table one preferred embodiment of mechanical arm of the present invention;
Fig. 2 is the pitching unit pitch regulation component engagement locking schematic diagram of the preferred embodiment of the present invention;
Fig. 3 is that the pitching unit pitch regulation component of the preferred embodiment of the present invention is detached from unlock schematic diagram;
Fig. 4 is the pitching spanner and telescopic unit partial schematic diagram of the preferred embodiment of the present invention;
Fig. 5 is the pitch regulation component locking state partial schematic diagram of the preferred embodiment of the present invention;
Fig. 6 is the pitch regulation component unlocked state partial schematic diagram of the preferred embodiment of the present invention;
Fig. 7 is the pitch regulation component facade structural schematic diagram of the preferred embodiment of the present invention;
Fig. 8 is the telescopic unit partial schematic diagram of the preferred embodiment of the present invention;
Fig. 9 is the telescopic unit partial sectional view of the preferred embodiment of the present invention;
Figure 10 is the collapsible base fixing joint screens partial schematic diagram of the preferred embodiment of the present invention;
Figure 11 is that the collapsible base of the preferred embodiment of the present invention rocks back and forth embolia figure;
Figure 12 is the articulation figure that rocks back and forth of the preferred embodiment of the present invention;
Wherein, 1- loadings falsework, 2- pitching units, 3- telescopic units, 4- rotating bases, 5- pedestals, 6- connection stakes, 7- Middle bar, 21- pitching spanners, 22- pitch regulation components, 211- handles, 212- shafts, 222- gear shapings, 221- index tooth locating slot, 224- limit shafts, 225- positioning rotating shafts, 223- resetting springs, 31- stretch crank, 32- gears, 33- racks, 34- spring positionings Pin.
Specific implementation mode
Multiple preferred embodiments that the present invention is introduced below with reference to Figure of description, keep its technology contents more clear and just In understanding.The present invention can be emerged from by many various forms of embodiments, and protection scope of the present invention not only limits The embodiment that Yu Wenzhong is mentioned.
In the accompanying drawings, the identical component of structure is indicated with same numbers label, everywhere the similar component of structure or function with Like numeral label indicates.The size and thickness of each component shown in the drawings are to be arbitrarily shown, and there is no limit by the present invention The size and thickness of each component.In order to keep diagram apparent, some places suitably exaggerate the thickness of component in attached drawing.
As shown in Figure 1, being the overall appearance structural representation of the preferred embodiment of the present invention, the adjustable working table Include loading falsework 1, telescopic unit 2, pitching unit 3, rotating base 4, pedestal 5, middle bar 7 and connection stake 6 with mechanical arm;It stretches Contracting unit 2 includes scaling operation handle, extensible member, fixing piece, and fixing piece is movably connected on the middle bar 7, and operation handle is solid It is connected on fixing piece, extensible member can be movably connected in relative to fixing piece stretching motion, loading falsework 1 on extensible member;Pitching Unit 3 includes pitching spanner 21, pitch regulation component, and for the setting of pitching spanner 21 in 7 middle front part of middle bar, pitch regulation component is to nibble Pair is closed, being separately positioned on the other end of middle bar 7 and one end of rotating base 4, middle bar can move up and down, and pitch regulation component is made to nibble It closes secondary disengaging or resets;The other end of rotating base 4 is flexibly connected by positioning rotating shaft 27 with one end of pedestal 5, and connection stake 6 is set Set the other end in pedestal 5;
The loading falsework of adjustable working table mechanical arm of the present invention is rotatable loading falsework.
As shown in Figures 2 and 3, the realization of pitching movement is described;In the present embodiment, pitching unit 2 is pitching spanner 21 With pitch regulation component 22, pitching spanner 21 is lever mechanism, including handle 211, shaft 212, and pitch regulation component is 22, packet Include gear shaping 222, indexing tooth locating slot 221, resetting spring 223;It is to prop up with shaft 212 using lever principle by fixed handle 211 Point, bar 7 in pulling, middle bar 7 drive gear shaping 222 to be detached from indexing tooth locating slot 221, complete unlocking motion, at this time can be to machinery The pitching motion that arm rocks back and forth, when swinging to suitable position, release handle 211, due to 7 upper reset spring 223 of middle bar Active force, make gear shaping 222 spring back into indexing tooth locating slot 221 in, at this time operation console pitching unit be lock-out state.
As shown in figure 4, being 3 partial schematic diagram of pitching spanner 21 and telescopic unit of the present invention, in the implementation case, stretch Operation handle is flexible crank 31, since pitching and expanding-contracting action manually complete, so the pitching being manually operated will be needed to pull The position adjoining in middle 7 front end of bar is arranged in the position of hand 21 and flexible crank 31, but the direction operated is orthogonal, both facilitates Fast operating prevents the interference of two operational movements again.
As shown in Figure 5 and Figure 6, it is the locking and unlocking state partial schematic diagram of pitching unit 2, pitch regulation component 22 There are two holes up and down, limit shaft 224 that upper hole, positioning rotating shaft 225 is passed through to position indexing tooth by lower opening on indexing tooth locating slot 221 Locating slot 221;In the unlocked state, limit shaft 224 limit indexing tooth locating slot 221 can only be around positioning rotating shaft in certain model Interior rotation is enclosed, realizes pitching function.The pitch rotation adjusting range of workbench mechanical arm is 0~30 ° in this implementation example, Scale interval is not more than 6 °.
As shown in Figure 8 and Figure 9, it is 3 partial schematic diagram of telescopic unit, in the present embodiment, the fixing piece in telescopic unit 3 is Gear 32, extensible member are rack 33, and operation handle is flexible crank 31, and spring holder 34, gear 32 are additionally provided on gear-box There are 12 grooves on side;The realization method of Telescopic is:Pull-off spring positioning pin 34 unlocks gear 32, and manual rotation is stretched Contracting crank 31, the rotation band carry-over bar 33 of gear 32 move, and complete mechanical arm reduction operation, and a conjunction is adjusted to when mechanical arm is flexible After suitable posture position, trip spring positioning pin 34, spring holder 34 is caught in 32 lateral grooves of gear, you can locking teeth Wheel, to lock mechanical arm telescopic location.
As shown in Figure 10, to realize the adjustable fixing joint schematic diagram for mechanical arm rocking back and forth function being arranged, in this reality It applies in example, after the joint screens that collapsible base disengages, collapsible base can be using joint pivot pin as folded against turn of origin Dynamic, maximum folded rotational angle is 65 °, and after the completion of mechanical arm folds rotation, the joint screens of collapsible base is automatic again Locking.
It is state of the joint when resetting that rock back and forth of the present invention as shown in figure 11, is as shown in figure 12 the pass that rocks back and forth State after 65 ° of section rotation.
The preferred embodiment of the present invention has been described in detail above.It should be appreciated that the ordinary skill of this field is without wound The property made labour, which according to the present invention can conceive, makes many modifications and variations.Therefore, all technician in the art Pass through the available technology of logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea Scheme, all should be in the protection domain being defined in the patent claims.

Claims (10)

1. a kind of adjustable workbench mechanical arm, which is characterized in that including loading falsework, telescopic unit, pitching unit, Middle bar, rotating base, pedestal and connection stake;The telescopic unit includes operation handle, extensible member, fixing piece, the fixing piece It is connected on the middle bar, the operation handle is connected on the fixing piece, and the extensible member can be relative to the fixing piece Stretching motion, the loading falsework are movably connected on the extensible member;The pitching unit includes pitching spanner, pitching tune Component is saved, in the middle bar middle front part, the pitch regulation component is Meshing Pair, is separately positioned on institute for the pitching spanner setting The other end of middle bar and one end of the rotating base are stated, the middle bar can move up and down, and the pitch regulation component is made to engage Pair is detached from or resets;The other end of the rotating base is flexibly connected by positioning rotating shaft with one end of the pedestal, the company The other end in the pedestal is arranged in pile extension;The workbench mechanical arm pitch angle can be realized by pressing the pitching spanner Variation;The operation handle of the telescopic unit is rotated, it can be achieved that the workbench mechanical arm stretches.
2. adjustable workbench mechanical arm as described in claim 1, which is characterized in that the pitching spanner is Lever machine Structure, fulcrum are sleeved on the middle bar front end, and power point is the handle of the pitching spanner, and resistance point is fixed with middle bar front end, is pressed Under the pitching spanner, the middle bar can be driven to travel forward;The Meshing Pair of the pitch regulation component is gear shaping and indexing tooth Locating slot, the gear shaping are movably connected in the middle rod rear end, can be moved forward and backward with middle bar, realize and the indexing tooth locating slot Engagement and disengaging, the indexing tooth locating slot is movably connected in the rotating base front end.
3. adjustable workbench mechanical arm as claimed in claim 2, which is characterized in that the pitch regulation component also wraps Resetting spring is included, setting is in the gear shaping front, after the power of the pitching spanner is depressed in release, for making the gear shaping reset To the state engaged with the indexing tooth locating slot, the loading falsework elevation angle is locked.
4. adjustable workbench mechanical arm as claimed in claim 3, which is characterized in that the indexing tooth locating slot is also set It is equipped with limit shaft, the slewing area for limiting the indexing tooth locating slot around the positioning rotating shaft is without departing from each rotation in left and right 20°。
5. adjustable workbench mechanical arm as described in claim 1, which is characterized in that the pitch regulation component pitching It is 0~30 ° to move adjusting range, and scale interval is 6 °.
6. adjustable workbench mechanical arm as described in claim 1, which is characterized in that described in the telescopic unit Fixing piece is gear, the extensible member is rack, and the telescopic unit further includes locating piece, and the locating piece is spring positioning Pin, be arranged on the gear it is fluted, when unclamping the spring holder and it being made to fall into the groove, the spring positioning Lock, which determines the gear, makes it stop rotating.
7. adjustable workbench mechanical arm as claimed in claim 6, which is characterized in that the groove has 12.
8. adjustable workbench mechanical arm as described in claim 1, which is characterized in that the pedestal is foldable base Seat, it is 65 ° to fold rotational angle, may be implemented to lock automatically after folding rotation.
9. adjustable workbench mechanical arm as described in claim 1, which is characterized in that the workbench mechanical arm can With around the 360 ° of rotations of operation console column axis, the loading falsework is adjusted by rotation pitch angle.
10. adjustable workbench mechanical arm as described in claim 1, which is characterized in that the height of the loading falsework Degree is adjustable within the scope of 1600mm~2100mm.
CN201810659873.1A 2018-06-25 2018-06-25 A kind of adjustable working table mechanical arm Pending CN108527343A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810659873.1A CN108527343A (en) 2018-06-25 2018-06-25 A kind of adjustable working table mechanical arm

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810659873.1A CN108527343A (en) 2018-06-25 2018-06-25 A kind of adjustable working table mechanical arm

Publications (1)

Publication Number Publication Date
CN108527343A true CN108527343A (en) 2018-09-14

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810659873.1A Pending CN108527343A (en) 2018-06-25 2018-06-25 A kind of adjustable working table mechanical arm

Country Status (1)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109178355A (en) * 2018-08-07 2019-01-11 北京空间技术研制试验中心 Multifunctional operating platform out of my cabin
CN110353813A (en) * 2019-07-01 2019-10-22 中奕智创医疗科技有限公司 A kind of puncture ancillary equipment
CN116945205A (en) * 2023-08-07 2023-10-27 江苏精匠工业装备有限公司 TR robot workstation based on visual assistance and application method thereof
CN117621005A (en) * 2024-01-25 2024-03-01 北京东方昊为工业装备有限公司 Mechanical arm based on automatic aerial working robot

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001031381A (en) * 1999-07-26 2001-02-06 Aichi Corp Depression angle storage type boom working vehicle
CN2686819Y (en) * 2004-03-22 2005-03-23 湖北汽车工业学院 Rotary car bumper paint surface polishing platform
CN103972821A (en) * 2014-05-27 2014-08-06 邹德华 Live working robot for high-voltage power transmission line
CN105459153A (en) * 2015-12-25 2016-04-06 中铁岩锋成都科技有限公司 Railway tunnel lining quality nondestructive detection boom and detection method thereof
CN107322590A (en) * 2017-04-27 2017-11-07 山东建筑大学 Multiple degrees of freedom hydraulic manipulator
CN107575840A (en) * 2017-09-30 2018-01-12 成都众孚理想科技有限公司 A kind of lamp bracket of height and adjustable angle
CN208496966U (en) * 2018-06-25 2019-02-15 广东广航科技有限公司 A kind of adjustable workbench mechanical arm

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001031381A (en) * 1999-07-26 2001-02-06 Aichi Corp Depression angle storage type boom working vehicle
CN2686819Y (en) * 2004-03-22 2005-03-23 湖北汽车工业学院 Rotary car bumper paint surface polishing platform
CN103972821A (en) * 2014-05-27 2014-08-06 邹德华 Live working robot for high-voltage power transmission line
CN105459153A (en) * 2015-12-25 2016-04-06 中铁岩锋成都科技有限公司 Railway tunnel lining quality nondestructive detection boom and detection method thereof
CN107322590A (en) * 2017-04-27 2017-11-07 山东建筑大学 Multiple degrees of freedom hydraulic manipulator
CN107575840A (en) * 2017-09-30 2018-01-12 成都众孚理想科技有限公司 A kind of lamp bracket of height and adjustable angle
CN208496966U (en) * 2018-06-25 2019-02-15 广东广航科技有限公司 A kind of adjustable workbench mechanical arm

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109178355A (en) * 2018-08-07 2019-01-11 北京空间技术研制试验中心 Multifunctional operating platform out of my cabin
CN110353813A (en) * 2019-07-01 2019-10-22 中奕智创医疗科技有限公司 A kind of puncture ancillary equipment
CN116945205A (en) * 2023-08-07 2023-10-27 江苏精匠工业装备有限公司 TR robot workstation based on visual assistance and application method thereof
CN116945205B (en) * 2023-08-07 2024-04-23 江苏精匠工业装备有限公司 TR robot workstation based on visual assistance and application method thereof
CN117621005A (en) * 2024-01-25 2024-03-01 北京东方昊为工业装备有限公司 Mechanical arm based on automatic aerial working robot
CN117621005B (en) * 2024-01-25 2024-04-09 北京东方昊为工业装备有限公司 Mechanical arm based on automatic aerial working robot

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Application publication date: 20180914