CN208666374U - A kind of floating centering positioning mechanism - Google Patents
A kind of floating centering positioning mechanism Download PDFInfo
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- CN208666374U CN208666374U CN201820805757.1U CN201820805757U CN208666374U CN 208666374 U CN208666374 U CN 208666374U CN 201820805757 U CN201820805757 U CN 201820805757U CN 208666374 U CN208666374 U CN 208666374U
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- locating
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- positioning mechanism
- directional ball
- locating rod
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Abstract
The utility model discloses a kind of floating centering positioning mechanisms, including pedestal, gasket is equipped on the right side of the pedestal upper end, the gasket upper end is fixedly installed with cylinder by fixing screws, the cylinder right end is connected with push rod, pedestal upper end quadrangle is fixedly installed with multi-directional ball fixing seat, multi-directional ball fixing seat upper end is movably installed with multi-directional ball, the pedestal upper horizontal is provided with float plate, the float plate quadrangle and multi-directional ball corresponding position are fixedly installed liner plate, the liner plate top is fixedly connected with float plate, slide is equipped on the left of the pedestal upper end, the slide upper end is movably installed with sliding block, the sliding block right end is hinged with connecting rod by slider pin, the connecting rod right end is equipped with positioning mechanism.The utility model by the combination of float plate, multi-directional ball, central axis, connecting rod, positioning mechanism and sliding block, realize floating also can centering positioning, floating can be combined and centering positions.
Description
Technical field
The utility model relates to workpiece fetching device technical field, specially a kind of floating centering positioning mechanism.
Background technique
In some cases, workpiece is during picking and placing, carrying, on the Work transfer apparatus and target position of workpiece pick-and-place
It sets and requires to position workpiece.But when workpiece picks and places, what positioning mechanism and workpiece on Work transfer apparatus picked and placed
Usually there is certain position deviation in the positioning mechanism of target position.Especially when Work transfer apparatus rigidity with higher,
Such position deviation is often difficult to be adjusted.There are mainly two types of for the positioning of realization workpiece in the horizontal direction at present just
Method: for workpiece after being placed into objective plane, a kind of method is that the accurate positioning of workpiece is realized by cylinder Bidirectional clamping;It is another
Method is the inclination by objective plane, makes workpiece is free to slide to be close to positioning surface, then fixes by cylinder clamping, is realized
It is accurately positioned.All there is location action time-consuming, complexity in both methods, need the participation of at least two cylinders, positioning accuracy is still
The problem of so there may be errors.Furthermore two methods clamping positioning mechanism in position fixing process must connect with the side of workpiece
Touching, and for certain form of workpiece, side is not appropriate for contacting with clamping positioning mechanism.For this purpose, it is proposed that a kind of floating
Centering positioning mechanism.
Utility model content
The purpose of this utility model is to provide a kind of floating centering positioning mechanisms, to solve to propose in above-mentioned background technique
The problem of.
To achieve the above object, the utility model provides the following technical solutions: a kind of floating centering positioning mechanism can be
Including pedestal, gasket is equipped on the right side of the pedestal upper end, the gasket upper end is fixedly installed with cylinder by fixing screws, described
Cylinder right end is connected with push rod, and pedestal upper end quadrangle is fixedly installed with multi-directional ball fixing seat, the multi-directional ball fixing seat
Upper end is movably installed with multi-directional ball, and the pedestal upper horizontal is provided with float plate, and the float plate quadrangle is corresponding with multi-directional ball
Position is fixedly installed liner plate, and the float plate is contacted by liner plate with the multi-directional ball, at left and right sides of the float plate upper end
It is equipped with positioning pin, the pedestal top middle portion is equipped with spacer ring, runs through in the middle part of the spacer ring and be connected with central axis, the pedestal
Slide is equipped on the left of upper end, the slide upper end is movably installed with sliding block, and the push rod right end is fixedly connected with a slide block, the cunning
Block right end is hinged with two connecting rods by slider pin, and the connecting rod right end is connected with positioning mechanism.
Preferably, the positioning mechanism includes the first locating rod and the first locating shaft, there are two first locating rod is set,
Intersect in X-shaped and install, the middle part of two first locating rods is hinged by bearing and central axis, first locating rod left end
Hinged with two connecting rod right ends respectively by pin, first locating shaft top is fixedly connected with float plate, and described first
The bottom end of locating shaft is provided with limit plate in the position lower than first locating rod, and first locating shaft is equipped with four, point
Not Wei Yu two first locating rod left and right ends outside.
Preferably, the positioning mechanism includes the second locating rod and the second locating shaft, there are two second locating rod is set,
Intersect in X-shaped and install, the middle part of two second locating rods is hinged by bearing and central axis, a left side for second locating rod
End is hinged with two connecting rod right ends respectively by pin, and second locating shaft top is fixedly connected with float plate, and described the
The bottom end of two locating shafts is provided with limit plate in the position lower than second locating rod, and second locating shaft is equipped with two,
It is located at the inside of two second locating rod left and right ends.
Preferably, the left and right ends of first locating rod are bent outward, and first locating shaft is located in sliding block
It will be tangent with the bending place on the outside of two first locating rod both ends when right end.
Preferably, the left and right ends of second locating rod are bent inwardly, and second locating shaft is located in sliding block
It will be tangent with the bending place on the inside of two first locating rod both ends when left end.
Preferably, the liner plate and the contact surface of multi-directional ball are the spherical surface of an indent, and the radius of curvature of the spherical surface is greater than
The radius of multi-directional ball.
Compared with prior art, the utility model has the beneficial effects that this kind of floating centering positioning mechanism, floating by being arranged
The combination of movable plate, locating shaft, central axis, connecting rod, positioning mechanism and sliding block can be realized the state that mechanism floats or centering positions
Variation, can combine floating and centering positions, and position fixing process very simple is quick, can be same during workpiece picks and places
When complete the accurate positioning of horizontal direction, can satisfy both needing to float and be also required to the field of centering positioning under the conditions of special operation condition
The use of conjunction;By the way that multi-directional ball is arranged, float plate Free water can smoothly be moved in multi-directional ball, reach the bottom for avoiding workpiece
With the effect of fetching device friction, multi-directional ball and bearing realize rolling friction, can reduce coefficient of friction, and hoisting mechanism makes
Use the service life;Workpiece location action in the horizontal direction can be realized by the way that a cylinder is only arranged, realization can be facilitated to " floating
The automatic control of dynamic centering positioning mechanism ", float plate bottom is contacted with multi-directional ball by being provided with the liner plate of interior concave spherical surface, makes to float
Movable plate also has the ability of automatic centering in the state that centering body does not clamp, and workpiece is avoided unlimitedly to swing;Float plate
The limit plate of upper locating shaft bottom end can make float plate that can float relative to bottom plate, without being detached from bottom plate;Pass through setting
Positioning pin enables to workpiece only to rub with positioning pin in fetching process, does not need the side of touching and clamping workpiece,
Greatly reduce the damage ratio of workpiece.
Detailed description of the invention
Fig. 1 is a kind of cross-sectional view of floating centering positioning mechanism embodiment one described in the utility model;
Fig. 2 is a kind of overhead sectional view of floating centering positioning mechanism embodiment one described in the utility model;
Fig. 3 is a kind of structural schematic diagram of floating centering positioning mechanism embodiment two described in the utility model;
Fig. 4 is a kind of AA cross-sectional view of floating centering positioning mechanism described in the utility model.
In figure: 1 pedestal, 2 gaskets, 21 fixing screws, 3 cylinders, 31 push rods, 4 multi-directional balls, 41 multi-directional ball fixing seats, 5 linings
Plate, 51 positioning pins, 6 sliding blocks, 61 slides, 7 float plates, 8 central axises, 81 spacer rings, 9 connecting rods, 91 pins, 92 slider pins, 10 localization machines
Structure, 101 first locating rods, 102 first locating shafts, 103 second locating rods, 104 second locating shafts.
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.
Embodiment one:
Fig. 1,2 and 4 are please referred to, the utility model provides a kind of technical solution: a kind of floating centering positioning mechanism and its behaviour
Make method, including pedestal 1, gasket 2 is equipped on the right side of 1 upper end of pedestal, 2 upper end of gasket is fixed by fixing screws 21
Cylinder 3 is installed, 3 right end of cylinder is connected with push rod 31, and the 1 upper end quadrangle of pedestal is fixedly installed with multi-directional ball and fixes
Seat 41,41 upper end of multi-directional ball fixing seat is movably installed with multi-directional ball 4, and 1 upper horizontal of pedestal is provided with float plate 7,
7 four jiaos of the float plate are fixedly installed liner plate 5 with 4 corresponding position of multi-directional ball, and the float plate 7 passes through liner plate 5 and described ten thousand
It is contacted to ball 4, the contact surface of the liner plate 5 and multi-directional ball 4 is the spherical surface of an indent, and the radius of curvature of the spherical surface is greater than universal
The radius of ball 4.5 top of liner plate is fixedly connected with float plate 7, and float plate 7 Free water can smoothly be moved in multi-directional ball, be kept away
Exempt from bottom and the fetching device friction of workpiece, positioning pin 51 is equipped at left and right sides of 7 upper end of float plate, for being installed on work
In the pin hole of part bottom, carries out workpiece and fix, 1 top middle portion of pedestal is equipped with spacer ring 81, runs through in the middle part of the spacer ring 81
It is connected with central axis 8, is equipped with slide 61 on the left of 1 upper end of pedestal, 61 upper end of slide is movably installed with sliding block 6, described
31 right end of push rod is fixedly connected with sliding block 6, and cylinder 3 is able to drive push rod 31 and horizontally slips along sliding block 6,6 right end of sliding block
Two connecting rods 9 are hinged with by slider pin 92, two connecting rods 9 will be driven separately to close by slider pin 92 when push rod 31 horizontally slips
Hold together, 9 right end of connecting rod is connected with positioning mechanism 10, and the positioning mechanism 10 includes the first locating rod 101 and the first locating shaft
102, there are two first locating rod 101 is set, intersect installation in X-shaped, the middle part of two first locating rods 101 passes through axis
It holds with central axis 8 hingedly, 101 left end of the first locating rod is hinged with two 9 right ends of connecting rod respectively by pin 91, and two
First locating rod 101 will form scissors crossing shape, so that two connecting rods 9 are able to drive two institutes when separately closing up
It states the first locating rod 101 separately to close up, 102 top of the first locating shaft is fixedly connected with float plate 7, first locating shaft
102 bottom end is provided with limit plate in the position lower than first locating rod 101, and first locating shaft 102 is equipped with four,
Be located at the outside of two 101 left and right ends of the first locating rod, the left and right ends of first locating rod 101 to
Outside bending, first locating shaft 102 when sliding block 6 is located at right end by on the outside of two first locating rods 101
Bending place is tangent, and when sliding block 6 is located at right end, two connecting rods 9 will open, to drive two first locating rods
101 both ends are opened, and the first locating shaft 102 will be made to abut against the bending place of 101 outer end of the first locating rod, to complete centering
Positioning.
It is picked and placed in handling system in the workpiece based on the floating centering positioning mechanism, the floating centering positioning mechanism is solid
Fixed to be arranged on carrying mechanism, the carrying mechanism includes translating device and lifting device, and workpiece initial placement is held in workpiece
On rest device, workpiece bearing device two sides are provided with vertically-guided slot, and the vertically-guided slot opening up is simultaneously being opened
The two sides of mouth are provided with chamfering, and workpiece two sides are provided with protrusion, are placed on the protrusion of workpiece two sides when on workpiece bearing device
Portion is just embedded in the constraint realized in the guide groove to workpiece, and the position that workpiece bearing device is located at below workpiece is hanging
And carrying mechanism can be accommodated and be translated into, workpiece bottom is provided with pin hole, with the positioning pin on the floating centering positioning mechanism
51 positions are corresponding.
A kind of operating method of operation floating centering positioning mechanism, includes the following steps:
Step 1, carrying mechanism are moved to the underface of the workpiece bearing device of pickup position, and control cylinder 3 drives push rod
31 pull to the left, and push rod 31 will drive two the first locating rods 101 to close up by connecting rod 9, so that float plate 7 is in floating
Dynamic state;
Step 2, carrying mechanism slowly rise, and positioning pin 51 is made to be inserted into the pin hole of workpiece bottom;
Step 3, carrying mechanism continue to rise, and workpiece is made to completely disengage the restriction range of workpiece bearing device;
Step 4 drives push rod 31 to push to the right by control cylinder 3, and push rod 31 will drive two the by connecting rod 9
A positioning rod 101 separates, so that two the first locating rods 101 abut against the first locating shaft 102, so that at float plate 7
In centering positioning states;
Step 5, carrying mechanism are moved horizontally to the surface for putting the workpiece bearing device of part position, are driven by cylinder 3
Push rod 31 pulls to the left, and float plate 7 is made to be in quick condition again;
Step 6, carrying mechanism slowly decline, and so that workpiece insertion is put the workpiece bearing device of part position, and continue to drop to
After positioning pin 51 is detached from the pin hole of workpiece bottom, carrying mechanism level is removed, and the carrying of workpiece is completed.
Embodiment two:
Please refer to Fig. 3 and 4, the utility model provides a kind of technical solution: the positioning mechanism 10 includes the second locating rod
103 and second locating shaft 104, there are two second locating rod 103 is set, intersect installation, two second locating rods in X-shaped
103 middle part is hinged by bearing and central axis 8, and the left end of second locating rod 103 is by pin 91 respectively and described in two
9 right end of connecting rod is hinged, and two second locating rods 103 will form scissors crossing shape, so that two connecting rods 9 are in separated conjunction
It is able to drive two second locating rods 103 when holding together separately to close up, 104 top of the second locating shaft and float plate 7 are fixed
Connection, the bottom end of second locating shaft 104 are provided with limit plate in the position lower than second locating rod 103, and described the
Two locating shafts 104 are equipped with two, are located at the inside of two 103 left and right ends of the second locating rod, second positioning
The left and right ends of bar 103 are bent inwardly, second locating shaft 104 when sliding block 6 is located at left end will with described in two
The bending place of first locating rod, 101 inside is tangent, and when sliding block 6 is located at left end, two connecting rods 9 will close up, to drive
Two 103 both ends of the second locating rod close up, and the second locating shaft 104 will be made by two second locating rods 101
The bending place at end clamps, to complete centering positioning.
It is picked and placed in handling system in the workpiece based on the floating centering positioning mechanism, the floating centering positioning mechanism is solid
Fixed to be arranged on carrying mechanism, the carrying mechanism includes translating device and lifting device, and workpiece initial placement is held in workpiece
On rest device, workpiece bearing device two sides are provided with vertically-guided slot, and the vertically-guided slot opening up is simultaneously being opened
The two sides of mouth are provided with chamfering, and workpiece two sides are provided with protrusion, are placed on the protrusion of workpiece two sides when on workpiece bearing device
Portion is just embedded in the constraint realized in the guide groove to workpiece, and the position that workpiece bearing device is located at below workpiece is hanging
And carrying mechanism can be accommodated and be translated into, workpiece bottom is provided with pin hole, with the positioning pin on the floating centering positioning mechanism
51 positions are corresponding.
A kind of operating method of operation floating centering positioning mechanism, includes the following steps:
Step 1, carrying mechanism are moved to the underface of the workpiece bearing device of pickup position, and control cylinder 3 drives push rod
31 push to the right, and push rod 31 will drive two the second locating rods 103 to close up by connecting rod 9, so that float plate 7 is in floating
Dynamic state;
Step 2, carrying mechanism slowly rise, and positioning pin 51 is made to be inserted into the pin hole of workpiece bottom;
Step 3, carrying mechanism continue to rise, and workpiece is made to completely disengage the restriction range of workpiece bearing device;
Step 4 drives push rod 31 to pull to the left by control cylinder 3, and push rod 31 will drive two the by connecting rod 9
Two locating rods 103 separation, so that two the second locating rods 103 abut against the second locating shaft 104, so that at float plate 7
In centering positioning states;
Step 5, carrying mechanism are moved horizontally to the surface for putting the workpiece bearing device of part position, are driven by cylinder 3
Push rod 31 pushes to the right, and float plate 7 is made to be in quick condition again;
Step 6, carrying mechanism slowly decline, and so that workpiece insertion is put the workpiece bearing device of part position, and continue to drop to
After positioning pin 51 is detached from the pin hole of workpiece bottom, carrying mechanism level is removed, and the carrying of workpiece is completed.
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 (5)
1. a kind of floating centering positioning mechanism, including pedestal (1), it is characterised in that: be equipped with gasket on the right side of pedestal (1) upper end
(2), gasket (2) upper end is fixedly installed with cylinder (3) by fixing screws (21), and cylinder (3) right end, which is connected with, to be pushed away
Bar (31), pedestal (1) the upper end quadrangle is fixedly installed with multi-directional ball fixing seat (41), on the multi-directional ball fixing seat (41)
End be movably installed with multi-directional ball (4), pedestal (1) upper horizontal is provided with float plate (7), float plate (7) quadrangle with
Multi-directional ball (4) corresponding position is fixedly installed liner plate (5), and the float plate (7) is connect by liner plate (5) with the multi-directional ball (4)
Touching, float plate (7) the upper end left and right sides are equipped with positioning pin (51), and pedestal (1) top middle portion is equipped with spacer ring
(81), slide (61) are equipped on the left of pedestal (1) upper end through being connected with central axis (8) in the middle part of the spacer ring (81), it is described
Slide (61) upper end is movably installed with sliding block (6), and push rod (31) right end is fixedly connected with sliding block (6), and the sliding block (6) is right
End is hinged with two connecting rods (9) by slider pin (92), and connecting rod (9) right end is connected with positioning mechanism (10).
2. a kind of floating centering positioning mechanism according to claim 1, it is characterised in that: the positioning mechanism (10) includes
First locating rod (101) and the first locating shaft (102) there are two first locating rod (101) sets, intersect installation in X-shaped, and two
The middle part of a first locating rod (101) passes through bearing and central axis (8) hingedly, and the first locating rod (101) left end is logical
It is hinged with two connecting rod (9) right ends respectively to cross pin (91), the first locating shaft (102) top and float plate (7) are fixed
The bottom end of connection, first locating shaft (102) is provided with limit plate in the position lower than first locating rod (101), institute
The first locating shaft (102) are stated equipped with four, are located at the outside of two the first locating rod (101) left and right ends;
The positioning mechanism (10) includes the second locating rod (103) and the second locating shaft (104), second locating rod (103)
There are two if, intersecting installation in X-shaped, the middle part of two second locating rods (103) passes through bearing and central axis (8) hingedly,
The left end of second locating rod (103) is hinged with two connecting rod (9) right ends respectively by pin (91), second positioning
Axis (104) top is fixedly connected with float plate (7), and the bottom end of second locating shaft (104) is being lower than second locating rod
(103) position is provided with limit plate, and second locating shaft (104) is equipped with two, is located at two second positioning
The inside of bar (103) left and right ends.
3. a kind of floating centering positioning mechanism according to claim 2, it is characterised in that: first locating rod (101)
Left and right ends bend outward, first locating shaft (102) will be with two described when sliding block (6) is located at right end
The bending place in the outside at a positioning rod (101) both ends is tangent.
4. a kind of floating centering positioning mechanism according to claim 2, it is characterised in that: second locating rod (103)
Left and right ends bend inwardly, second locating shaft (104) will be with two described when sliding block (6) is located at left end
The bending place of the inside at a positioning rod (101) both ends is tangent.
5. a kind of floating centering positioning mechanism according to claim 1, it is characterised in that: the liner plate (5) and multi-directional ball
(4) contact surface is the spherical surface of an indent, and the radius of curvature of the spherical surface is greater than the radius of multi-directional ball (4).
Priority Applications (1)
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CN201820805757.1U CN208666374U (en) | 2018-05-29 | 2018-05-29 | A kind of floating centering positioning mechanism |
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CN201820805757.1U CN208666374U (en) | 2018-05-29 | 2018-05-29 | A kind of floating centering positioning mechanism |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108657777A (en) * | 2018-05-29 | 2018-10-16 | 上海宝业机电科技有限公司 | A kind of floating centering positioning mechanism and its operating method |
CN113696157A (en) * | 2021-09-09 | 2021-11-26 | 红云红河烟草(集团)有限责任公司 | Movable clamping device for pipeline joint |
-
2018
- 2018-05-29 CN CN201820805757.1U patent/CN208666374U/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108657777A (en) * | 2018-05-29 | 2018-10-16 | 上海宝业机电科技有限公司 | A kind of floating centering positioning mechanism and its operating method |
CN108657777B (en) * | 2018-05-29 | 2023-08-29 | 上海宝业机电科技有限公司 | Floating centering positioning mechanism and operation method thereof |
CN113696157A (en) * | 2021-09-09 | 2021-11-26 | 红云红河烟草(集团)有限责任公司 | Movable clamping device for pipeline joint |
CN113696157B (en) * | 2021-09-09 | 2023-08-18 | 红云红河烟草(集团)有限责任公司 | Pipeline joint removes clamping device |
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