CN208276933U - A kind of carpometacarpal mechanism of variable configuration - Google Patents
A kind of carpometacarpal mechanism of variable configuration Download PDFInfo
- Publication number
- CN208276933U CN208276933U CN201820771017.0U CN201820771017U CN208276933U CN 208276933 U CN208276933 U CN 208276933U CN 201820771017 U CN201820771017 U CN 201820771017U CN 208276933 U CN208276933 U CN 208276933U
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- screw rod
- backspin
- motor
- guiding axis
- decelerating motor
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Abstract
The utility model discloses a kind of carpometacarpal mechanisms of variable configuration, including main body module, upper rotary module, lower rotary module and rotation drive module；The beneficial effects of the utility model are: passing through the deformation of carpometacarpal mechanism, four finger paw Work Space Range of mechanical arm can be expanded, while the adjustment of crawl point can be carried out to object of different shapes；The change of four finger paw working spaces drives finger mount to move axially by screw rod decelerating motor, and inhibits finger mount that screw rod is followed to be rotated by two fixed guiding axis；When grabbing object, it need to only control four motors and carry out same direction rotation, when discharging object, control motor carries out opposite direction rotation, and structure is simple, and working efficiency and reliability are higher.
Description
Technical field
The utility model belongs to Industrial Robot Technology field, and in particular to a kind of carpometacarpal mechanism of variable configuration.
Background technique
The gripper of mechanical arm is that mechanical arm and operation object establish the important component contacted, connects the wrist of gripper and mechanical arm
Palm mechanism directly determines the Work Space Range of gripper.From rigid gripper to flexible gripper, dedicated gripper to multi-functional gripper etc.,
The research about mechanical arm gripper makes great progress both at home and abroad.However, the carpometacarpal of existing connection gripper and mechanical arm
Mechanism is fixed and invariable mostly, when the biggish object of shapes, the difference in size such as crawl sensitive paper box, fruits and vegetables, is needed by more
It changes gripper unit to be grabbed, reduces working efficiency；In addition, presently, there are Bian Zhang mechanism, transmission is complicated, transmission efficiency
It is low, and reliability is poor.
Utility model content
To solve the problems mentioned above in the background art.The utility model provides a kind of carpometacarpal machine of variable configuration
Structure has the characteristics that.
To achieve the above object, the utility model provides the following technical solutions: a kind of carpometacarpal mechanism of variable configuration, including
Main body module, upper rotary module, lower rotary module and rotation drive module；The main body module is bilateral symmetry form, including
Main element, first motor seat and the second motor cabinet, the first screw rod decelerating motor and the second screw rod decelerating motor, the first finger peace
Piece installing and second finger installation part, first end part and second end part, the first guiding axis and the second guiding axis, described first leads
It is respectively fixedly connected to one end of axis and the second guiding axis in the left and right ends of main element, the motor of the first screw rod decelerating motor
Part is fixed on the end of main element, and is fixed by first motor seat, the motor part of the second screw rod decelerating motor
It is fixed on the end of main element, and is fixed by the second motor cabinet, the first screw rod decelerating motor and the second screw rod slow down
Motor is separately positioned on the intermediate space position of first guiding axis and the second guiding axis, the first end part and the second end
Extremity piece is respectively fixedly connected in the other end of the first guiding axis and the second guiding axis；
The upper rotary module include upper revolving part, upper rotation guiding axis, upper rotation screw rod decelerating motor, upper rotation motor cabinet, on
Rotation finger mount, upper rotation end piece, upper spin axis hold, upper rotation connecting pin, and upper one end for revolving guiding axis is fixed on revolving part, on
The motor part of rotation screw rod decelerating motor is fixedly installed in revolving part, is fixed by upper rotation motor cabinet, and upper rotation end piece is connected
In the end of upper rotation guiding axis, upper rotation connecting pin is fixed on rotation guiding axis；
The lower rotary module include lower revolving part, backspin guiding axis, backspin screw rod decelerating motor, backspin motor cabinet, under
Finger mount, backspin end piece, backspin bearing, backspin connecting pin are revolved, one end of backspin guiding axis is fixed on lower revolving part, under
The motor part of rotation screw rod decelerating motor is fixedly installed with lower revolving part, is fixed by backspin motor cabinet, and backspin end piece is connected
In the end of backspin guiding axis, backspin connecting pin is fixed on backspin guiding axis；
The main body module center is equipped with centre rotational axis, and the upper spin axis of upper rotary module, which is held, rotates on centre rotational axis,
The backspin bearing rotary of lower rotary module is located at the top of lower rotary module in centre rotational axis, upper rotary module；
The rotary module includes decelerating motor, upper cover, upper rotation connecting pin, connector, stressed plate, backspin connecting pin, is connected
Fitting connects with the deceleration motor, and for decelerating motor by the rotation of drive connection part, drive connection part side and upper rotation connect pin card
The upper rotation connecting pin for closing connection is rotated, the backspin connecting pin that another side of drive connection part is connected together with backspin connecting pin
It is rotated.
Preferably, first guiding axis, the second guiding axis, upper rotation guiding axis and backspin guiding axis are all made of double guiding axis
Structure.
Preferably, the first screw rod decelerating motor, the second screw rod decelerating motor, upper rotation screw rod decelerating motor, backspin silk
Bar decelerating motor is integrated by motor, retarder and screw rod.
Preferably, the first screw rod of screw rod decelerating motor decelerating motor, the second screw rod decelerating motor, upper rotation screw rod slow down
Motor, backspin screw rod decelerating motor and decelerating motor are all made of using miniature DC motor.
Preferably, upper revolving part fixed on upper rotation connecting pin is rotated with upper rotation connecting pin, is connect with upper revolving part
Upper rotation finger mount rotate with, fixed lower revolving part is rotated with backspin connecting pin on backspin connecting pin, under
The backspin finger mount of revolving part connection rotates with.
Compared with prior art, the utility model has the beneficial effects that
1, by the deformation of carpometacarpal mechanism, four finger paw Work Space Range of mechanical arm can be expanded, while can be to not
The object of similar shape carries out the adjustment of crawl point；
2, the change of four finger paw working spaces drives finger mount to move axially by screw rod decelerating motor, and
Inhibit finger mount that screw rod is followed to be rotated by two fixed guiding axis.When grabbing object, four need to be only controlled
Motor carries out same direction rotation；When discharging object, control motor carries out opposite direction rotation；Structure is simple, working efficiency
And reliability is higher；
3, the eccentric structure that the change of crawl point position is researched and developed using the utility model, by connecting pin in connector rail
Movement in road rotate revolving part can around the axle center of main element with lower revolving part, to change finger grip point
The change of position.
Detailed description of the invention
Fig. 1 is the shaft side figure of the carpometacarpal mechanism of the variable configuration.
Fig. 2 is the shaft side figure of the carpometacarpal mechanism body module of the variable configuration.
Fig. 3 is the shaft side figure of rotary module in the carpometacarpal mechanism of the variable configuration.
Fig. 4 be the variable configuration carpometacarpal mechanism under rotary module shaft side figure.
Fig. 5 is the shaft side figure of the carpometacarpal mechanism rotary module of the variable configuration.
In figure: 100, main body module；101, main element；102, first motor seat；103, the first screw rod decelerating motor；
104, the first finger mount；105, the first guiding axis；106, first end part；112, the second motor cabinet；113, the second screw rod
Decelerating motor；114, second finger installation part；115, the second guiding axis；116, second end part；200, upper rotary module；201,
Upper revolving part；202, upper rotation guiding axis；203, upper rotation finger mount；204, upper rotation screw rod decelerating motor；205, upper rotation end
Part；206, upper rotation motor cabinet；210, upper spin axis is held；300, lower rotary module；301, backspin end piece；302, backspin guiding axis；
303, backspin finger mount；304, backspin screw rod decelerating motor；305, lower revolving part；306, backspin motor cabinet；310, backspin
Bearing；400, drive module is rotated；401, decelerating motor；402, upper cover；403, upper rotation connecting pin；404, connector；405, by
Power plate；413, backspin connecting pin.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Referring to FIG. 1-2, the utility model the following technical schemes are provided: a kind of variable configuration carpometacarpal mechanism, including master
Module 100, upper rotary module 200, lower rotary module 300 and rotation drive module 400；Main body module 100 is bilateral symmetry
Form, including main element 101, first motor seat 102 and the second motor cabinet 112, the first screw rod decelerating motor 103 and second
Bar decelerating motor 113, the first finger mount 104 and second finger installation part 114, first end part 106 and second end part
116, one end of the first guiding axis 105 and the second guiding axis 115, the first guiding axis 105 and the second guiding axis 115 be respectively fixedly connected in
The motor part of the left and right ends of main element 101, the first screw rod decelerating motor 103 is fixed on the end of main element 101, and
Fixed by first motor seat 102, the motor part of the second screw rod decelerating motor 113 is fixed on the end of main element 101, and
Fixed by the second motor cabinet 112, the first screw rod decelerating motor 103 and the second screw rod decelerating motor 113 are separately positioned on first
The intermediate space position of guiding axis 105 and the second guiding axis 115, first end part 106 and second end part 116 be respectively fixedly connected in
The other end of first guiding axis 105 and the second guiding axis 115；
Upper rotary module 200 includes upper revolving part 201, upper rotation guiding axis 202, upper rotation screw rod decelerating motor 204, upper rotation electricity
Base 206, upper rotation finger mount 203, upper rotation end piece 205, upper spin axis hold 210, upper rotation connecting pin 403, upper rotation guiding axis
202 one end is fixed on revolving part 201, and the motor part of upper rotation screw rod decelerating motor 204 is fixedly installed in revolving part
201, fixed by upper rotation motor cabinet 206, upper rotation end piece 205 is fixed on the end of rotation guiding axis 202, upper rotation connecting pin
403 are fixed on rotation guiding axis 202；
Lower rotary module 300 includes lower revolving part 305, backspin guiding axis 302, backspin screw rod decelerating motor 304, backspin electricity
Base 306, backspin finger mount 303, backspin end piece 301, backspin bearing 310, backspin connecting pin 413, backspin guiding axis
302 one end is fixed on lower revolving part 305, and the motor part of backspin screw rod decelerating motor 304 is fixedly installed with lower revolving part
305, fixed by backspin motor cabinet 306, backspin end piece 301 is fixed on the end of backspin guiding axis 302, backspin connecting pin
413 are fixed on backspin guiding axis 302；
100 center of main body module is equipped with centre rotational axis, and the upper spin axis of upper rotary module 200 holds 210 and rotates on center rotation
Shaft, the backspin bearing 310 of lower rotary module 300 rotate on centre rotational axis, and upper rotary module 200 is located at lower rotary module
300 top；
Rotating drive module 400 includes decelerating motor 401, upper cover 402, upper rotation connecting pin 403, connector 404, stressed plate
405, backspin connecting pin 413, connector 404 are connect with decelerating motor 401, and decelerating motor 401 passes through the rotation of drive connection part 404
Turn, the upper rotation connecting pin 403 that 404 side of drive connection part is connected together with upper rotation connecting pin 403 is rotated, drive connection part
The backspin connecting pin 413 that 404 another sides are connected together with backspin connecting pin 413 is rotated.
First guiding axis 105, the second guiding axis 115, upper rotation guiding axis 202 and backspin guiding axis 302 are all made of double guiding
Axle construction.
First screw rod decelerating motor 103, the second screw rod decelerating motor 113, upper rotation screw rod decelerating motor 204, backspin screw rod
Decelerating motor 304 is integrated by motor, retarder and screw rod.
The first screw rod of screw rod decelerating motor decelerating motor 103, the second screw rod decelerating motor 113, upper rotation screw rod decelerating motor
204, backspin screw rod decelerating motor 304 and decelerating motor 401 are all made of using miniature DC motor.
Embodiment 1
As shown in Figs. 1-5, the carpometacarpal mechanism is by main body module 100, upper rotary module 200, lower rotary module 300 and rotation
Turn the composition of drive module 400.Four refer to and can lead along the first guiding axis 105, the second guiding axis 115, upper rotation guiding axis 202, backspin
It is moved to axis 302, to realize crawl and release object.Upper revolving part 201, lower revolving part 305 can be around main elements 101
Central axis is rotated, to realize the adjustment of gripper crawl point position.
By first motor seat 102 that first screw rod decelerating motor 103 is fixed on the left of main element 101, two first are led
It is fixed on main element 101 to axis 105, and first end part 106 is fixed on the first guiding axis 105 by screw；The
One finger mount 104 is engaged by threaded hole with the first screw rod decelerating motor 103, and passes through unthreaded hole and the first guiding axis 105
Cooperation；When the rotation of the first screw rod decelerating motor 103, the first finger mount 104 can be moved along the first guiding axis 105
It is dynamic；When the rotation of 103 opposite direction of the first screw rod decelerating motor, the first finger mount 104 can be along 105 negative side of the first guiding axis
To movement.Similarly, the right side of main element 101, upper revolving part 201 and the first finger mount 104 in lower revolving part 305, the
Two finger mounts 114, backspin finger mount 303 can be moved forward and backward；When control the first screw rod decelerating motor 103,
When the second screw rod decelerating motor 113, upper rotation screw rod decelerating motor 204, backspin screw rod 304 equidirectional rotation of decelerating motor
Crawl or release object.
Upper cover 402 is connect by screw with main element 101, and upper cover 402 is by motor cabinet using bolt and nut two
Decelerating motor 401 is fixed, and connector 404 is fixed by screws on decelerating motor 401, can be rotated with decelerating motor 401,
Upper rotation connecting pin 403 by itself being threadedly secured on revolving part 201, and will thereon square set in connector 404.Work as deceleration
When motor 401 rotates, upper rotation connecting pin 403 can be rotated in the track of connector 404, thus drive upper revolving part 201
It is rotated around its axle center, upper revolving part 201 and main element 101 are concentric, therefore upper revolving part 201 can be around main element
101 axle center are rotated.Similarly, lower revolving part 305 can be carried out with the rotation of decelerating motor 401 around 101 axle center of main element
Rotation.According to this eccentric structure, can revolving speed by two decelerating motors 401 of control and direction of rotation, change left and right two
The change of finger grip point.
To rotate upper revolving part 201 can around 101 axle center of main element with lower revolving part 305, in upper revolving part
201, lower 305 revolving part of revolving part installs upper spin axis additional and holds 210, backspin bearing 310, it is contemplated that the problem of stress, in main element
101 lower sections, install stressed plate 405 additional, are fixed by screws in 101 lower section of main element, while at 405 center of stressed plate, passing through
Screw is fixed on main element 101, power suffered when revolving part 201,305 revolving part of lower revolving part crawl object in receiving,
Main element 101 is dispersed by the power of object, increases its service life, and enhances its reliability.
Upper cover 402 can be used for connecting mechanical arm tail end, the first finger mount 104, second finger installation part 114, upper rotation
Mechanical arm can be completed by four by this scheme for connecting four with finger in finger mount 203, backspin finger mount 303
Finger paw grabs different, the biggish object of size difference.
The first screw rod decelerating motor 103 that the carpometacarpal mechanism of the variable configuration uses, the second screw rod decelerating motor 113,
Upper rotation screw rod decelerating motor 204, backspin screw rod decelerating motor 304 and two decelerating motors 401 are miniature DC motor, are used
L298N direct current generator drive module is controlled with STM32 single-chip microcontroller.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (4)
1. a kind of carpometacarpal mechanism of variable configuration, which is characterized in that including main body module (100), upper rotary module (200), under
Rotary module (300) and rotation drive module (400)；The main body module (100) is bilateral symmetry form, including main element
(101), first motor seat (102) and the second motor cabinet (112), the first screw rod decelerating motor (103) and the second screw rod slow down electric
Machine (113), the first finger mount (104) and second finger installation part (114), first end part (106) and second end part
(116), the first guiding axis (105) and the second guiding axis (115), first guiding axis (105) and the second guiding axis (115)
One end is respectively fixedly connected in the left and right ends of main element (101), and the motor part of the first screw rod decelerating motor (103) is fixed
In the end of main element (101), and, the electricity of the second screw rod decelerating motor (113) fixed by first motor seat (102)
Machine part is fixed on the end of main element (101), and fixed by the second motor cabinet (112), and first screw rod slows down electric
Machine (103) and the second screw rod decelerating motor (113) are separately positioned on first guiding axis (105) and the second guiding axis (115)
Intermediate space position, the first end part (106) and second end part (116) are respectively fixedly connected in the first guiding axis (105)
With the other end of the second guiding axis (115)；
The upper rotary module (200) includes upper revolving part (201), upper rotation guiding axis (202), upper rotation screw rod decelerating motor
(204), upper rotation motor cabinet (206), upper rotation finger mount (203), upper rotation end piece (205), upper spin axis hold (210), upper rotation
One end of connecting pin (403), upper rotation guiding axis (202) is fixed on revolving part (201), upper rotation screw rod decelerating motor (204)
Motor part is fixedly installed in revolving part (201), fixed by upper rotation motor cabinet (206), and upper rotation end piece (205) is fixed on
The end of upper rotation guiding axis (202), upper rotation connecting pin (403) are fixed in rotation guiding axis (202)；
The lower rotary module (300) includes lower revolving part (305), backspin guiding axis (302), backspin screw rod decelerating motor
(304), backspin motor cabinet (306), backspin finger mount (303), backspin end piece (301), backspin bearing (310), backspin
Connecting pin (413), one end of backspin guiding axis (302) are fixed on lower revolving part (305), backspin screw rod decelerating motor (304)
Motor part is fixedly installed with lower revolving part (305), fixed by backspin motor cabinet (306), and backspin end piece (301) is fixed on
The end of backspin guiding axis (302), backspin connecting pin (413) are fixed on backspin guiding axis (302)；
Main body module (100) center is equipped with centre rotational axis, and the upper spin axis of upper rotary module (200) is held (210) and rotated on
Centre rotational axis, the backspin bearing (310) of lower rotary module (300) rotate on centre rotational axis, and upper rotary module (200) is located at
The top of lower rotary module (300)；
The rotation drive module (400) includes decelerating motor (401), upper cover (402), upper rotation connecting pin (403), connector
(404), stressed plate (405), backspin connecting pin (413), connector (404) are connect with decelerating motor (401), decelerating motor
(401) pass through the rotation of drive connection part (404), what drive connection part (404) side and upper rotation connecting pin (403) were connected together
Upper rotation connecting pin (403) is rotated, and drive connection part (404) another side and backspin connecting pin (413) are connected together down
Rotation connecting pin (413) is rotated.
2. a kind of carpometacarpal mechanism of variable configuration according to claim 1, it is characterised in that: first guiding axis
(105), the second guiding axis (115), upper rotation guiding axis (202) and backspin guiding axis (302) are all made of double guiding axle construction.
3. a kind of carpometacarpal mechanism of variable configuration according to claim 1, it is characterised in that: first screw rod slows down electric
Machine (103), the second screw rod decelerating motor (113), upper rotation screw rod decelerating motor (204), backspin screw rod decelerating motor (304) by
Motor, retarder and screw rod are integrated.
4. a kind of carpometacarpal mechanism of variable configuration according to claim 1, it is characterised in that: the screw rod decelerating motor
One screw rod decelerating motor (103), the second screw rod decelerating motor (113), upper rotation screw rod decelerating motor (204), backspin screw rod slow down
Motor (304) and decelerating motor (401) are all made of using miniature DC motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820771017.0U CN208276933U (en) | 2018-05-22 | 2018-05-22 | A kind of carpometacarpal mechanism of variable configuration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820771017.0U CN208276933U (en) | 2018-05-22 | 2018-05-22 | A kind of carpometacarpal mechanism of variable configuration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208276933U true CN208276933U (en) | 2018-12-25 |
Family
ID=64730171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820771017.0U Expired - Fee Related CN208276933U (en) | 2018-05-22 | 2018-05-22 | A kind of carpometacarpal mechanism of variable configuration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208276933U (en) |
-
2018
- 2018-05-22 CN CN201820771017.0U patent/CN208276933U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181225 Termination date: 20210522 |