CN205734902U - A kind of self-adapting grasping mechanical hand with sliding mechanism - Google Patents
A kind of self-adapting grasping mechanical hand with sliding mechanism Download PDFInfo
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- CN205734902U CN205734902U CN201620681651.6U CN201620681651U CN205734902U CN 205734902 U CN205734902 U CN 205734902U CN 201620681651 U CN201620681651 U CN 201620681651U CN 205734902 U CN205734902 U CN 205734902U
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- sliding mechanism
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- rotating shaft
- mechanical hand
- adapting grasping
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Abstract
The utility model discloses a kind of self-adapting grasping mechanical hand with sliding mechanism, including robot base and one group of mechanical finger, wherein mechanical finger is three-section type, and the junction of every two adjacent sections is provided with mechanical joint, and robot base is provided with control device and position detecting device；Described mechanical joint is provided with sliding mechanism and driving means, and wherein driving means, position detecting device are all connected with control device.Its simple in construction, low cost, it is not necessary to complicated control system and computational methods, mechanical joint uses purely mechanic structure, it is matched with mechanical finger, it is adaptable to capture difform object, including irregularly shaped object, two-way crawl can be realized, and keep stable grasp force.
Description
Technical field
This utility model relates to the technical field of mechanical hand, particularly to a kind of self-adapting grasping machine with sliding mechanism
Tool hands.
Background technology
Articulated robot, also referred to as joint arm robot or joint Manipulator arm, be modal in current industrial circle
One of form of industrial robot, is suitable for the machine automatization equalization of many industrial circles.For articulated robot, joint
It it is its important component part, it is achieved that the relative motion of mechanical arm.
When utilizing mechanical arm to capture object, end can arrange the mechanical finger of several mutually coordinated motion, mechanical hand
Refer to be respectively divided into several sections of and connected by joint.Currently for capturing different size, difform object, mechanical finger
Self adaptation degree is the highest.
Chinese patent application prospectus CN104303709A discloses a kind of dragonfly pawl with bionic geometric structure feature
Formula end effector, this mechanical hand is by frame-type mechanical platform, intelligence control system, feedback system, drive system, electric power auxiliary
System forms；When mechanical hand contact fruit and vegerable, by the rotation amplitude of the force value feedback regulation servomotor of sensor, thus come
Adjustable claw refers to tightening up or diastole of the high-strength flexible polyamide rope of inside, and then realizes different size, difform fruit
Vegetables carry out the purpose of stable crawl, improve the end effector i.e. adaptive ability of mechanical finger, but the knot of this design
Structure and control method are the most complex, and its intermediate link is the most, break down and the probability that lost efficacy is the biggest, and, tired
The error (include measurement error, calculate error etc.) of meter is the biggest.
Utility model content
The purpose of utility model: this utility model discloses a kind of self-adapting grasping mechanical hand with sliding mechanism, its knot
Structure is simple, low cost, it is not necessary to complicated control system and computational methods, and mechanical joint uses purely mechanic structure, by itself and machinery
Finger matches, it is adaptable to capture difform object, including irregularly shaped object, it is possible to achieve two-way crawl, and keeps steady
Fixed grasp force.
Technical scheme: in order to realize object above, the utility model discloses a kind of self adaptation with sliding mechanism and grabs
Taking mechanical hand, including robot base and one group of mechanical finger, wherein mechanical finger is three-section type, and the connection of every two adjacent sections
Place is provided with mechanical joint, and robot base is provided with control device and position detecting device；Described mechanical joint is provided with skidding machine
Structure and driving means, wherein driving means, position detecting device are all connected with control device.This design simple in construction, cost
Low, it is not necessary to complicated control system and computational methods, mechanical joint uses purely mechanic structure, it is matched with mechanical finger,
It is applicable to capture difform object, including irregularly shaped object, it is possible to achieve two-way crawl, and keeps stable grasp force；
Sliding mechanism has the function of slipping protection, and the parts being possible not only to protect mechanical joint are without damage, more prevent from grabbing bad object.
Further, above-mentioned a kind of self-adapting grasping mechanical hand with sliding mechanism, described mechanical joint also includes same
The first rotating shaft that axle is arranged and the second rotating shaft, be sheathed on the travelling gear in the first rotating shaft, and is arranged on the first rotating shaft and the
The first support in two rotating shafts, the second support, sliding mechanism includes the first bindiny mechanism and the second connection machine that can relatively turn round
Structure, wherein the first bindiny mechanism is set in the first rotating shaft, and the second bindiny mechanism is set in the second rotating shaft, the first bindiny mechanism
With second be provided with skidding friction plate between bindiny mechanism；Driving means is arranged on the first support and is connected with travelling gear.
The mechanical joint of this design is used for connecting outside mechanical finger, and when capturing object, driving means drives mechanical joint to rotate,
Thus driving mechanical finger grips object；When mechanical finger tighten up object reach to a certain degree time, i.e. object is to mechanical finger
When counteracting force reaches setting value, sliding mechanism starts to skid to play a protective role, and mechanical finger halts simultaneously；This
Sample, is possible not only to protect the parts such as gear, motor without damage, more makes grasp force keep stable, prevents from grabbing bad object；It addition,
When object has loosened, the counteracting force of mechanical finger reduces by object, less than setting value time, sliding mechanism stops skidding, machine
Tool finger rotates promptly object further, can keep stable grasp force with this, and be applicable to difform object, including
Irregularly shaped object, makes crawl process safety, reliable；The revolution relative with the second bindiny mechanism of first bindiny mechanism has two-way
Property, both realize the slipping protection that forward captures, realize again the slipping protection reversely captured.
Further, above-mentioned a kind of self-adapting grasping mechanical hand with sliding mechanism, described second bindiny mechanism is provided with
Hollow cavity, skidding friction plate is arranged on the cavity body wall of the second bindiny mechanism；First bindiny mechanism one end is arranged on
In the hollow cavity of two bindiny mechanisms, it contacts with skidding friction plate.This design simple in construction, it is achieved that the merit of slipping protection
Can, if enough its of the applied external force moment of torsion that produces the second bindiny mechanism overcomes frictional force, then the second bindiny mechanism is relative to the
One bindiny mechanism rotates, it is achieved skidding function, if external force reduces or disappears, then frictional force makes the second bindiny mechanism with first even
Connection mechanism links.
Further, above-mentioned a kind of self-adapting grasping mechanical hand with sliding mechanism, described first support includes first
Base plate and be separately positioned on two first side plates at the first base plate two ends, the second support includes the second base plate and is separately positioned on the
Two second side plates at two base plate two ends；First rotating shaft one end is connected with the first side plate, the second side plate respectively, the second rotating shaft one
End is connected with the first side plate, second side plate of opposite side respectively.This design compact conformation and firmly, stable.
Further, above-mentioned a kind of self-adapting grasping mechanical hand with sliding mechanism, described driving means includes motor,
And the train of reduction gears being connected with motor, wherein train of reduction gears is connected with travelling gear, and motor is fixedly mounted on first
On support.This design motor is directly installed on the first support, it is possible to reduce component quantity, saves production cost.
Further, above-mentioned a kind of self-adapting grasping mechanical hand with sliding mechanism, in described second bindiny mechanism
Cavity body wall is provided with the groove installing skidding friction plate.This design can play the effect of fixing skidding friction plate, anti-
Only skidding friction plate deforms under frictional force effect, shifts the situation even come off.
Further, above-mentioned a kind of self-adapting grasping mechanical hand with sliding mechanism, described mechanical finger is provided with rubber
Gum cover, and rubber sleeve surface is provided with anti-slip veins.This design had both protected mechanical finger, also protects and is grabbed object, prevents machine
Damaging between tool finger and object；The design of anti-slip veins improves the frictional force between mechanical finger and object, reduces object landing
Possibility, make crawl object more reliable.
Further, above-mentioned a kind of self-adapting grasping mechanical hand with sliding mechanism, described mechanical finger end is provided with
Finger tip friction plate.This design is greatly improved the frictional force between mechanical finger and object, prevents object landing, can capture heavier
Object.
Further, above-mentioned a kind of self-adapting grasping mechanical hand with sliding mechanism, described motor be motor or
Servomotor.
Technique scheme is it can be seen that this utility model has the advantages that one described in the utility model
With the self-adapting grasping mechanical hand of sliding mechanism, its simple in construction, low cost, it is not necessary to complicated control system and calculating side
Method, mechanical joint uses purely mechanic structure, it is matched with mechanical finger, it is adaptable to capture difform object, including
Irregularly shaped object, it is possible to achieve two-way crawl also keeps stable grasp force；The parts such as gear, motor can be protected the most impaired
Bad, more prevent from grabbing bad object；Both realize the slipping protection that forward captures, realize again the slipping protection reversely captured；Protection machinery
Finger and grabbed object, anti-damage；Connecting shaft reliability during normal work is high, and skidding friction plate is installed stable；It is greatly improved machine
Frictional force between tool finger and object, prevents object landing, can capture heavier object.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of self-adapting grasping mechanical hand with sliding mechanism described in the utility model；
Fig. 2 is the knot of the mechanical joint of a kind of self-adapting grasping mechanical hand with sliding mechanism described in the utility model
Structure schematic diagram；
In figure: 1-robot base, 2-mechanical finger, 3-mechanical joint, 31-the first rotating shaft, 32-the second rotating shaft, 33-passes
Moving gear, 34-the first support, 341-the first base plate, 342-the first side plate, 35-the second support, 351-the second base plate, 352-
Two side plates, 36-sliding mechanism, 361-the first bindiny mechanism, 362-the second bindiny mechanism, 363-friction plate, 37-driving means,
371-motor, 372-train of reduction gears, 4-rubber sleeve, 5-finger tip friction plate.
Detailed description of the invention
Below in conjunction with the accompanying drawings, this utility model detailed description of the invention is described in detail.
Embodiment
A kind of self-adapting grasping mechanical hand with sliding mechanism of the present utility model, as depicted in figs. 1 and 2, including machine
Tool hands pedestal 1 and one group of mechanical finger 2, the quantity of one group of mechanical finger 2 is 3 ~ 5, and mechanical finger 2 is three-section type, and every phase
The junction of adjacent two joints is provided with mechanical joint 3, and mechanical finger 2 is provided with rubber sleeve 4；Rubber sleeve 4 surface is provided with anti-slip veins；Machinery
Finger 2 end is provided with friction plate 5；Robot base 1 is provided with control device and position detecting device；Described mechanical joint 3 wraps
Include the first rotating shaft 31 and the second rotating shaft 32 being coaxially disposed, be sheathed on the travelling gear 33 in the first rotating shaft 31, be arranged on first
First support the 34, second support 35 in rotating shaft 31 and the second rotating shaft 32, and sliding mechanism 36 and driving means 37, wherein drive
Dynamic device 37, position detecting device are all connected with control device；Sliding mechanism 36 includes the first bindiny mechanism that can relatively turn round
361 and second bindiny mechanism 362, wherein the first bindiny mechanism 361 is set in the first rotating shaft 31, and the second bindiny mechanism 362 overlaps
It is located in the second rotating shaft 32, between the first bindiny mechanism 361 and the second bindiny mechanism 362, is provided with friction plate 363；Second connects machine
Structure 362 is provided with hollow cavity, and friction plate 363 is arranged on the cavity body wall of the second bindiny mechanism 362；First bindiny mechanism
361 one end are arranged in the hollow cavity of the second bindiny mechanism 362, and it contacts with friction plate 363；Second bindiny mechanism 362
Cavity body wall is provided with the groove installing friction plate 363, and groove circular array shape is distributed in cavity body wall one week, its
In can optionally install into friction plate 363, adjust frictional force size, friction plate 363 by increase and decrease friction plate 363 quantity
Circular array shape is distributed.
The two fixing connections of joint that first support the 34, second support 35 is adjacent with on mechanical finger 2 respectively, the first support 34 wraps
Including the first base plate 341 and be separately positioned on two first side plates 342 at the first base plate 341 two ends, the second support 35 includes second
Base plate 351 and two the second side plates 352 being separately positioned on the second base plate 351 two ends；First rotating shaft 31 one end is respectively with first
Side plate the 342, second side plate 352 is connected, second rotating shaft 32 one end respectively with first side plate the 342, second side plate 352 of opposite side
It is connected；First support 34 is provided with driving means 37, and driving means 37 includes motor 371, and with subtracting that motor 371 is connected
Speed gear train 372, wherein train of reduction gears 372 is connected with travelling gear 33, and motor 371 is fixedly mounted on the first support 34
On.
Travelling gear 33 is fixing with the first rotating shaft 31 to be connected, and the first bindiny mechanism 361 is fixing with the first rotating shaft 31 to be connected, the
Two bindiny mechanisms 362 are fixing with the second rotating shaft 32 to be connected, and the first side plate 342 and the first rotating shaft 31 are rotationally connected and are provided with bearing,
It is rotationally connected with the second rotating shaft 32 and is provided with bearing；Second side plate 352 and the first rotating shaft 31 are rotationally connected and are provided with bearing, with
Two rotating shafts 32 are fixing to be connected.
Mechanical joint is for connecting two joints adjacent on mechanical finger 2, and operation principle is as follows: when capturing object, drives
Device drives travelling gear the 33, first rotating shaft 31 and the first bindiny mechanism 361 to rotate, when normally capturing, under frictional force effect,
First bindiny mechanism 361 drives the second bindiny mechanism the 362, second rotating shaft 32 and the second support 35 to rotate, i.e. driving mechanical finger
Capturing object and gradually tighten up object, now mechanical finger can produce grasp to object, and accordingly, object is to mechanical finger meeting
Producing counteracting force, in tightening process, grasp is gradually increased with counteracting force, when counteracting force is to the second bindiny mechanism 362
Enough it overcomes frictional force to the moment of torsion produced, then the second bindiny mechanism 362 rotates relative to the first bindiny mechanism 361, it is achieved skid,
Now mechanical finger halts；If mechanical hand carries out short distance carrying, simple for structure and control, motor 371 is permissible
Continuous running, sliding mechanism 336 persistently skids；When object has loosened, the counteracting force of mechanical finger is reduced, is less than by object
During setting value, sliding mechanism 36 stops skidding, and the first bindiny mechanism 361 drives the second bindiny mechanism the 362, second rotating shaft 32 and the
Two supports 35 are rotated further, and mechanical finger tightens up object further, avoid object because shift in position is led during capturing with this
Cause loosens and comes off, and is especially suitable for the crawl of irregularly shaped object, and grasp force can keep stable, and grasp force can pass through
The friction parameter of friction plate 363, size and number calculate and design.When mechanical hand stretches into the cavity crawl object of hollow body
Time, only need to first close up mechanical finger, in stretching into cavity, the most reversely launch mechanical finger (motor 371 inverts) afterwards, it is the most former
Reason is ibid.
The above is only preferred implementation of the present utility model, it should be noted that for the ordinary skill of the art
For personnel, on the premise of without departing from this utility model principle, it is also possible to make some improvement, these improve and also should be regarded as this
The protection domain of utility model.
Claims (9)
1. the self-adapting grasping mechanical hand with sliding mechanism, it is characterised in that: include robot base (1) and one group of machine
Tool finger (2), wherein mechanical finger (2) is three-section type, and the junction of every two adjacent sections is provided with mechanical joint (3), mechanical hand
Pedestal (1) is provided with control device and position detecting device；Described mechanical joint (3) is provided with sliding mechanism (36) and driving means
(37), wherein driving means (37), position detecting device are all connected with control device.
A kind of self-adapting grasping mechanical hand with sliding mechanism the most according to claim 1, it is characterised in that: described machine
Tool joint (3) also includes the first rotating shaft (31) and the second rotating shaft (32) being coaxially disposed, and is sheathed on the biography in the first rotating shaft (31)
Moving gear (33), and it is arranged on the first support (34) in the first rotating shaft (31) and the second rotating shaft (32), the second support (35),
Sliding mechanism (36) includes the first bindiny mechanism (361) and the second bindiny mechanism (362) that can relatively turn round, and wherein first connects
Mechanism (361) is set in the first rotating shaft (31), and the second bindiny mechanism (362) is set in the second rotating shaft (32), and first connects
Skidding friction plate (363) it is provided with between mechanism (361) and the second bindiny mechanism (362)；Driving means (37) is arranged on first
Frame (34) is upper and is connected with travelling gear (33).
A kind of self-adapting grasping mechanical hand with sliding mechanism the most according to claim 2, it is characterised in that: described
Two bindiny mechanisms (362) are provided with hollow cavity, and skidding friction plate (363) is arranged on the hollow cavity of the second bindiny mechanism (362)
On wall；First bindiny mechanism (361) one end is arranged in the hollow cavity of the second bindiny mechanism (362), itself and skidding friction plate
(363) contact.
A kind of self-adapting grasping mechanical hand with sliding mechanism the most according to claim 2, it is characterised in that: described
One support (34) includes the first base plate (341) and is separately positioned on two first side plates (342) at the first base plate (341) two ends,
Second support (35) includes the second base plate (351) and is separately positioned on two second side plates at the second base plate (351) two ends
(352)；First rotating shaft (31) one end is connected with the first side plate (342), the second side plate (352) respectively, the second rotating shaft (32)
End is connected with the first side plate (342), second side plate (352) of opposite side respectively.
A kind of self-adapting grasping mechanical hand with sliding mechanism the most according to claim 2, it is characterised in that drive described in:
Dynamic device (37) includes motor (371), and the train of reduction gears (372) being connected with motor (371), wherein train of reduction gears
(372) being connected with travelling gear (33), motor (371) is fixedly mounted on the first support (34).
A kind of self-adapting grasping mechanical hand with sliding mechanism the most according to claim 2, it is characterised in that: described
The cavity body wall of two bindiny mechanisms (362) is provided with the groove installing skidding friction plate (363).
A kind of self-adapting grasping mechanical hand with sliding mechanism the most according to claim 1, it is characterised in that: described machine
Tool finger (2) is provided with rubber sleeve (4), and rubber sleeve (4) surface is provided with anti-slip veins.
A kind of self-adapting grasping mechanical hand with sliding mechanism the most according to claim 1, it is characterised in that: described machine
Tool finger (2) end is provided with finger tip friction plate (5).
A kind of self-adapting grasping mechanical hand with sliding mechanism the most according to claim 5, it is characterised in that: described horse
Reaching (371) is motor or servomotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620681651.6U CN205734902U (en) | 2016-07-01 | 2016-07-01 | A kind of self-adapting grasping mechanical hand with sliding mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620681651.6U CN205734902U (en) | 2016-07-01 | 2016-07-01 | A kind of self-adapting grasping mechanical hand with sliding mechanism |
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| Publication Number | Publication Date |
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| CN205734902U true CN205734902U (en) | 2016-11-30 |
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| CN201620681651.6U Active CN205734902U (en) | 2016-07-01 | 2016-07-01 | A kind of self-adapting grasping mechanical hand with sliding mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106041890A (en) * | 2016-07-01 | 2016-10-26 | 江苏捷帝机器人股份有限公司 | Self-adaptive grabbing mechanical hand with skidding mechanisms and work method of self-adaptive grabbing mechanical hand |
-
2016
- 2016-07-01 CN CN201620681651.6U patent/CN205734902U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106041890A (en) * | 2016-07-01 | 2016-10-26 | 江苏捷帝机器人股份有限公司 | Self-adaptive grabbing mechanical hand with skidding mechanisms and work method of self-adaptive grabbing mechanical hand |
| CN106041890B (en) * | 2016-07-01 | 2018-06-29 | 江苏捷帝机器人股份有限公司 | A kind of self-adapting grasping manipulator and its method of work with sliding mechanism |
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| GR01 | Patent grant |