Summary of the invention
In view of the deficiencies of the prior art, this application provides a kind of step-by-step movement feed device, vertical motion rail can be generated
Mark carries out feeding or blowing in order to which discharge mechanism is at vertical motion track.
The technical solution of the application is as follows:
A kind of step-by-step movement feed device, comprising:
Track generating mechanism;The track generating mechanism includes outer gear ring, first planetary gear and sun gear;It is described too
Positive gear and outer gear ring coaxial arrangement, the sun gear and the first planetary gear are meshed, the sun gear
It can be rotated by driving;The first planetary gear is set in the outer gear ring and is meshed with the outer gear ring;First planet
Gear is fixed with an eccentric shaft;
The discharge mechanism of material can be placed;The discharge mechanism is rotatably coupled with the eccentric shaft;The first row
Star gear can drive the discharge mechanism to move along desired trajectory by the eccentric shaft;The desired trajectory includes at least vertical
Motion profile.
As a preferred embodiment, the radius of the outer gear ring is the 2N of the radius of the first planetary gear
Times, N is the positive integer more than or equal to 2.
As a preferred embodiment, the radius of the outer gear ring is 4 times of the radius of the first planetary gear.
As a preferred embodiment, when the center of the first planetary gear and the center of the sun gear
When line is parallel to horizontal direction, the eccentric shaft on the line and the center of the first planetary gear and it is described too
Between the center of positive gear.
As a preferred embodiment, using the center of circle of the sun gear as coordinate origin, to be pressed from both sides with horizontal direction
The direction that angle is 45 ° is that X-axis positive direction formulates rectangular coordinate system;Location point on the desired trajectory meets following relationship:
Wherein, (x, y) is the location point on the desired trajectory, and the unit of x and y are millimeter;
D is the eccentric distance of the eccentric shaft, and unit is millimeter;
R is the radius of the outer gear ring, and unit is millimeter;
R is the radius of the first planetary gear, and unit is millimeter;
θ is the angle of the location point (x, y) and the origin straight line being linked to be and X-axis, and unit is degree.
As a preferred embodiment, the first planetary gear is fixed with a concentric shafts, the eccentric shaft and institute
Concentric shafts are stated to be fixedly connected by fixed plate;The sun gear edge is axial with opposite facing first side and second side, described
Fixed plate is in the first side of the sun gear axial direction.
As a preferred embodiment, the discharge mechanism and the eccentric shaft are rotatablely connected by bearing.
As a preferred embodiment, the discharge mechanism includes horizontally extending support plate, Yi Jishe
It is placed in the splicing portion in the support plate;The support plate and the eccentric shaft are rotatably coupled;The discharge mechanism is located at
First side of the sun gear axial direction.
As a preferred embodiment, the track generating mechanism further includes the second planetary gear, third planet tooth
Wheel and planet carrier;The first planetary gear, second planetary gear and the third planet gear are evenly distributed on described
Around sun gear, the first planetary gear, second planetary gear and the third planet gear are engaged on described
Between sun gear, the outer gear ring, it is connected by planet carrier, to move synchronously.
As a preferred embodiment, further including a driving gear;There are two the track generating mechanism;Two institutes
The eccentric shaft for stating track generating mechanism is located at same level;Two track generating mechanism are by the sliding tooth wheel drive.
As a preferred embodiment, each track generating mechanism is additionally provided with and coaxially sets with the sun gear
The driven gear set;The driving gear drives the sun gear by the driven gear;The driving gear and described
Driven gear is located at second side of the sun gear axial direction.
As a preferred embodiment, further including the driving motor for driving the driving gear;The driving motor
It is decelerating motor or hydraulic motor.
As a preferred embodiment, the desired trajectory includes horizontal movement track.
As a preferred embodiment, the desired trajectory includes ascending motion track, descending motion track, advances
The entirety that motion profile, setback track are formed is in the motion profile of quadrangle.
A kind of step-by-step movement feed system, comprising: step-by-step movement feed device described in any embodiment as above.
The utility model has the advantages that
Step-by-step movement feed device in present embodiment, first planetary gear can drive described put by the eccentric shaft
Material mechanism is moved along desired trajectory, and the desired trajectory includes at least vertical motion track.Discharge mechanism is in vertical motion track
When, feeding or blowing are carried out, does not there is horizontal component movement, transported material movement stabilization can be made and surface is not scratched.
Referring to following description and accompanying drawings, only certain exemplary embodiments of this invention is disclosed in detail, specifies original of the invention
Reason can be in a manner of adopted.It should be understood that embodiments of the present invention are not so limited in range.In appended power
In the range of the spirit and terms that benefit requires, embodiments of the present invention include many changes, modifications and are equal.
The feature for describing and/or showing for a kind of embodiment can be in a manner of same or similar one or more
It uses in a other embodiment, is combined with the feature in other embodiment, or the feature in substitution other embodiment.
It should be emphasized that term "comprises/comprising" refers to the presence of feature, one integral piece, step or component when using herein, but simultaneously
It is not excluded for the presence or additional of one or more other features, one integral piece, step or component.
Specific embodiment
In order to make those skilled in the art better understand the technical solutions in the application, below in conjunction with the application reality
The attached drawing in example is applied, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described implementation
Example is merely a part but not all of the embodiments of the present application.Based on the embodiment in the application, this field is common
Technical staff's every other embodiment obtained without making creative work, all should belong to guarantor of the present invention
The range of shield.
It should be noted that it can directly on the other element when element is referred to as " being set to " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement for illustrative purposes only, are not meant to be the only embodiment.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein "and/or" includes one or more
Any and all combinations of relevant listed item.
A kind of step-by-step movement feed device 100 is provided in the application embodiment, comprising: track generating mechanism 1 and feeding machine
Structure.
In conjunction with-Fig. 4 refering to fig. 1.The track generating mechanism 1 includes outer gear ring 11, first planetary gear 12 and sun tooth
Wheel 14;The sun gear 14 and the outer gear ring 11 are coaxially disposed, the sun gear 14 and the first planetary gear 12
It is meshed, the sun gear 14 can be rotated by driving;The first planetary gear 12 be set in the outer gear ring 11 with it is described
Outer gear ring 11 is meshed;The first planetary gear 12 is fixed with an eccentric shaft 13.
The discharge mechanism is rotatably coupled with the eccentric shaft 13;The first planetary gear 12 can be by described inclined
Mandrel 13 drives the discharge mechanism to move along desired trajectory;The desired trajectory includes at least vertical motion track.
When carrying out normal operation using step-by-step movement feed device 100, outer gear ring 11 has base supports and fixed, outside
The inner wall of gear ring 11 is equipped with multiple engaging tooths, and first planetary gear 12 is engaged between outer gear ring 11 and sun gear 14.By too
The first planetary gear 12 that positive gear 14 drives moves in outer gear ring 11, and first planetary gear 12 passes through 13 band of eccentric shaft
The discharge mechanism is moved to move along desired trajectory;The desired trajectory includes at least vertical motion track.Discharge mechanism is vertical
When motion profile, feeding or blowing are carried out, does not there is horizontal component movement, transported material movement stabilization can be made and surface is not
It is scratched.
Specifically, the radius of the outer gear ring 11 is 2N times of the radius of the first planetary gear 12, N be more than or equal to
2 positive integer.
In the present embodiment, N=2 is taken, i.e., the radius of the described outer gear ring 11 is the radius of the first planetary gear 12
4 times.Correspondingly, the desired trajectory is the whole motion profile in quadrangle, it may include ascending motion track, decline fortune
Dynamic rail mark, forward travel track, setback track, wherein ascending motion track and descending motion track are transported without horizontal component
It is dynamic.When N is other values, correspondingly, the desired trajectory can be the positive side 2N shape, no level can be found in the shape of the positive side 2N
Two sides of component motion, respectively ascending motion track and descending motion track.
In the present embodiment, when the center and sun gear 14 of the first planetary gear 12 center line
When being parallel to horizontal direction, the eccentric shaft 13 on the line and the center of the first planetary gear 12 and it is described too
Between the center of positive gear 14, Fig. 2 can refer to.13 present position of eccentric shaft is just a bit on vertical motion track at this time, can
Discharge mechanism is set to carry out feeding or blowing here, no horizontal component movement makes transported material movement stabilization and surface is not
It is scratched.
In the present embodiment, using the center of circle of the sun gear 14 as coordinate origin, to be 45 ° with horizontal direction angle
Direction be X-axis positive direction formulate rectangular coordinate system;Location point on the desired trajectory meets following relationship:
Wherein, (x, y) is the location point on the desired trajectory, and the unit of x and y are millimeter;D is the eccentric shaft 13
Eccentric distance, unit are millimeter;R is the radius of the outer gear ring 11, and unit is millimeter;R is the first planetary gear 12
Radius, unit are millimeter;θ is the angle of the location point (x, y) and the origin straight line being linked to be and X-axis, and unit is degree.
Due to the relationship of R and r be it is known, further according to the functional relation at desired trajectory specific position, substitute into equation (1)
It can derive the relationship that r and d need to meet.After the value of R and/or r determines, the value of d also be can determine.By adjusting 13 phase of eccentric shaft
For the position at 12 center of first planetary gear, described device can be made to generate vertical motion track.Equally, equation can also be used
(1) whether reasonable come the data of one group of R, r, d given when verifying design.
A kind of process of relationship for deriving r and d is given below:
Rectangular coordinate system as described above is formulated, R can be 2N times of r, and N is the positive integer more than or equal to 2.Here only consider
The case where R=4r.The desired trajectory generated at this time is regular quadrangle, and each side of regular quadrangle is connected with fillet 105.By R=4r
Bring equation (1) into, the equation for obtaining desired trajectory is as follows:
It brings θ 1=45 ° into equation (2), obtains
Since the desired trajectory including at least vertical motion track of generation is regular quadrangle, and the X-axis of rectangular coordinate system
Positive direction and horizontal direction angle are 45 °, then point (x1, y1) passes through straight line, and slope is -1, available point (x1,
Y1) equation of the straight line passed through is
Straight lineOn one section of line segment on point, not only on straight line (3), but also on desired trajectory (2).
Assuming that when θ 2=30 °, corresponding point (x2, y2) is not only on straight line (3), but also on desired trajectory (2).First θ 2=30 ° is brought into
Equation (2), obtainsEquation (3) are carried it into, are obtainedThat is d ≈ 0.349r.
It should be noted that when θ 2 takes different values, the relational expression of obtained r and d are also different, this is because we are simultaneously
Regulation θ does not take how many when, and corresponding point is centainly on straight line.Here the case where only considered R=4r, but practical R can be r's
2N times, N is the positive integer more than or equal to 2.
After obtaining the relationship of d and r according to such as upper type, the value of R, r, d can be set, by adjusting eccentric shaft 13 relative to
The position at 12 center of first planetary gear can make described device generate vertical motion track, and discharge mechanism is in vertical motion track
When, feeding or blowing are carried out, does not there is horizontal component movement, transported material movement stabilization can be made and surface is not scratched.
In the present embodiment, the modulus for taking outer gear ring 11 is 4, the number of teeth 80, radius 160mm.First planetary gear
12 modulus is 4, the number of teeth 20, radius 40mm.The eccentric distance of eccentric shaft 13 is 14mm.By above one group of design data rail
Mark generating mechanism 1, that is, produce it is one long and it is wide be all 212 millimeters of regular quadrangle track, and each side in regular quadrangle track with
Fillet 105 is connected, that is to say, that the stepping amplitude of step-by-step movement feed device 100 is 212 millimeters.Step-by-step movement feed device at this time
100 can generate vertical motion track, and discharge mechanism carries out feeding or blowing, do not there is horizontal component at vertical motion track
Movement, can make transported material movement stabilization and surface is not scratched.Specifically, discovery is closer to regular quadrangle track side length
Middle, 1 speed of service of track generating mechanism are faster;At fillet 105, generating mechanism 1 speed of service in track is slower.Root
It, can be by feeding and the design of blowing position at close regular quadrangle track fillet 105, to receive " handling gently " according to this rule
Effect, avoiding device to product external surfaces formed shocking damage.
Please continue to refer to Fig. 3-Fig. 5.In the present embodiment, the first planetary gear 12 is fixed with a concentric shafts, institute
It states eccentric shaft 13 and is fixedly connected with the concentric shafts by fixed plate 16;The sun gear 14 has opposite facing the along axial
Side and second side, the fixed plate 16 is in the first axial side of the sun gear 14.In eccentric shaft 13 and the first planet tooth
Add one piece of fixed plate 16 between wheel 12, structure can be made more stable and reliable, and keep device space utilization more reasonable, the application is to solid
The shape of fixed board 16 with no restrictions, can be round rectangle, ellipse etc..
In the present embodiment, the discharge mechanism and the eccentric shaft 13 are rotatablely connected by bearing, and bearing plays branch
Support effect, and the coefficient of friction between discharge mechanism and eccentric shaft 13 can be reduced when device is run, keep operation more smooth, stable.
Specifically, the discharge mechanism includes horizontally extending support plate 21, and it is set to the support plate
Splicing portion 22 on 21;The support plate 21 and the eccentric shaft 13 are rotatably coupled;The discharge mechanism be located at it is described too
The first axial side of positive gear 14.Splicing portion 22 is for placing material, specifically, can be multiple V-shaped grooves being spaced apart,
Can be multiple flat charging trays being spaced apart, the application to the shape in splicing portion 22 without limitation.Eccentric shaft 13 and support
Plate 21 is rotatablely connected by bearing, can make discharge mechanism that eccentric shaft 13 be followed to transport along the desired trajectory for including vertical motion track
It is dynamic.
In the present embodiment, the track generating mechanism 1 further includes the second planetary gear 17,18 and of third planet gear
Planet carrier 15;The first planetary gear 12, second planetary gear 17 and the third planet gear 18 are evenly distributed on
It around sun gear 14, is engaged between sun gear 14, outer gear ring 11, is connected by planet carrier 15, to move synchronously.
Second planetary gear 17, third planet gear 18 are identical with 12 specification of first planetary gear, are evenly distributed in outer gear ring 11, row
Carrier 15 connects first planetary gear 12, the second planetary gear 17, third planet gear 18, makes track generating mechanism 1
It is more stable and reliable.
It in the present embodiment, further include a driving gear 3;There are two the track generating mechanism 1;Two tracks
The eccentric shaft 13 of generating mechanism 1 is located at same level;Two track generating mechanism 1 are driven by the driving gear 3.Position
Support can be provided for support plate 21 in two eccentric shafts 13 of same level, keep 21 holding of support plate horizontal.Common driving
Gear 3 can simplify device while realizing power input, only two tracks can be driven to generate by same power input shaft 5
Mechanism 1.
Specifically, each track generating mechanism 1 is additionally provided with the driven gear 4 with the sun gear 14 coaxial arrangement;Institute
It states driving gear 3 and the sun gear 14 is driven by driven gear 4;The driving gear 3 and the driven gear 4 are located at institute
State the axial second side of sun gear 14.Driven gear 4 and discharge mechanism are placed on the different two sides of sun gear 14, rationally benefit
With space, transmission and haul can be made to separate, avoided interference with.It certainly, can also be by driven tooth in the case where not causing interference
Wheel 4 and discharge mechanism are placed on the same side of sun gear 14 to save space.Driven gear 4 and sun gear 14 can be fixed coaxially
Connection, the application to the size specification of driven gear 4 without limitation.
Specifically, the device further includes the driving motor for driving the driving gear 3;The driving motor is decelerating motor
Or hydraulic motor, power is input to the axle center of driving gear 3 by power input shaft 5, driving gear 3 is driven to rotate, thus
Driven gear 4 is driven to rotate, driven gear 4 drives sun gear 14 to rotate, and sun gear 14 drives first planetary gear 12 again
It rotates, the eccentric shaft 13 in first planetary gear 12 drives the support plate 21 being rotatably connected therewith to move, thus and support plate
Realize the conveying of material in the 21 splicing portions 22 being fixedly connected.
In the present embodiment, the desired trajectory includes horizontal movement track.Specifically, the desired trajectory includes upper
Liter motion profile 101 (corresponding reclaiming process), descending motion track 102 (corresponding blowing process), forward travel track 103 are (right
Answer feeding process), setback track 104 (corresponding reseting procedure), and by 105 transition of fillet between track, such as Fig. 2 institute
Show.In the application embodiment, the desired trajectory is regular quadrangle track, and each side of regular quadrangle is connected with fillet 105.
When the discharge mechanism is run to close to the knuckle 105,100 feeding of step-by-step movement feed device or blowing, with
The effect of " handling gently " is received, avoiding device forms shocking damage to product external surfaces.
For example, the position below of fillet 105 carries out feeding, at this time more than the vertical edge midpoint of ascending motion track 101
The holding of support plate 21 moves straight up, so as to be accurately aimed at material position, smoothly takes out material;Material is from original position
It sets in the support plate 21 for reaching step-by-step movement feed device 100, when being run at track fillet 105 due to device, automatic retarding, from
And material can be settled out and will not be scratched in support plate 21 quickly;Device is run in forward travel track 103, to separately
When at one fillet 105, automatic retarding;More than the vertical edge midpoint of descending motion track 102, the position below of fillet 105
Blowing is carried out, the holding of support plate 21 at this time moves straight down, so as to be accurately aimed at material position, smoothly puts down object
Material, and due to slowing down at the fillet 105 just through track, material reaches mesh from the support plate 21 of step-by-step movement feed device 100
Speed when cursor position can will not be settled out quickly and will not be scratched quickly.Finally, device passes through setback track
104 return to initial position, start to run in next step.Certainly, for better stable conveying effect, driving motor can be set as
Speed reducer, when device carries out feeding and blowing, speed reducer slows down.
In conclusion the step-by-step movement feed device 100 in present embodiment, first planetary gear 12 pass through the bias
Axis 13 can drive the discharge mechanism to move along desired trajectory, and the desired trajectory includes at least vertical motion track.Feeding machine
Structure carries out feeding or blowing, does not there is horizontal component movement at vertical motion track, and transported material movement can be made to stablize
And surface is not scratched.More specifically, which can generate the whole track in quadrangle, band knuckle 105.It runs to
When vertical direction, feeding or blowing are carried out.When running to knuckle 105, device can slow down, prevent transported material due to
Inertia and shaken in charging tray or V-shaped groove.
Please refer to Fig. 5.A kind of step-by-step movement feed system is also provided in the application embodiment, comprising: any implementation as above
Step-by-step movement feed device 100 described in mode.Within the system, step-by-step movement feed device 100 can be inputted by same power
Axis 5 is used in series in column, weight biggish material (such as steel pipe 6 in Fig. 5) longer with delivered length.5 He of power input shaft
Gear 3 is driven to be coaxially disposed.When more step-by-step movement feed devices 100 need array in use, can be easily with one
Power input shaft 5 is together in series each stepper and drives together, has both saved prime mover quantity, reduces plant maintenance work
Amount, also ensuring has good synchronism between each step-by-step movement feed device 100.
It should be added that being readily modified as chain drive when step-by-step movement feed device 100 is used in series in column
Form, and the power input shaft 5 of driving gear 3 is done into sinking design, when running to lower section to avoid support plate 21 and drive
The power input shaft 5 of gear 3 interferes.
It should be noted that term " first ", " second " etc. are used for description purposes only the object similar with distinguishing, the two it
Between and be not present sequencing, indication or suggestion relative importance can not be interpreted as.In addition, being removed in the description of the present application
Non- to be otherwise noted, the meaning of " plurality " is two or more.
Herein cited any digital value all include between lower limit value to upper limit value with the lower value of an incremented and
The all values of upper value, there are the intervals of at least two units between any lower value and any much higher value.For example, such as
Fruit elaborates that the quantity an of component or the value of process variable (such as temperature, pressure, time etc.) are from 1 to 90, preferably from 20
To 80, more preferably from 30 to 70, then purpose is arrived in order to illustrate also clearly listing such as 15 to 85,22 in the specification
68,43 to 51,30 to 32 is equivalent.For the value less than 1, suitably think that a unit is 0.0001,0.001,0.01,0.1.
These are only intended to the example clearly expressed, it is believed that all possibility for the numerical value enumerated between minimum and peak
Combination is all expressly set forth in the specification in a similar manner.
Unless otherwise indicated, all ranges all include all numbers between endpoint and endpoint.It is used together with range
" about " or " approximation " be suitable for two endpoints of the range.Thus, " about 20 to 30 " are intended to cover that " about 20 to about
30 ", including at least the endpoint indicated.
All articles and reference disclosed, including patent application and publication, for various purposes by quoting knot
Together in this.Describing combined term " substantially by ... constitute " should include identified element, ingredient, component or step and reality
Other elements, ingredient, component or the step of the basic novel feature of the combination are not influenced in matter.Using term "comprising" or
" comprising " describes the combination of element here, ingredient, component or step it is also contemplated that substantially by these elements, ingredient, component
Or the embodiment that step is constituted.Here by using term " can with ", it is intended to illustrate that " can with " includes described any
Attribute is all optional.
Multiple element, ingredient, component or step can be provided by single integrated component, ingredient, component or step.Optionally
Ground, single integrated component, ingredient, component or step can be divided into multiple element, ingredient, component or the step of separation.It is used to
The open "a" or "an" for describing element, ingredient, component or step is not intended to exclude other elements, ingredient, component
Or step.
It should be understood that above description is to illustrate rather than to be limited.By reading above-mentioned retouch
It states, many embodiments and many applications except provided example all will be aobvious and easy for a person skilled in the art
See.Therefore, the range of this introduction should not be determined referring to foregoing description, but should referring to appended claims and this
The full scope of the equivalent that a little claims are possessed determines.For comprehensive purpose, all articles and with reference to including special
The disclosure of benefit application and bulletin is all by reference to being incorporated herein.Theme disclosed herein is omitted in preceding claims
Any aspect is not intended to abandon the body matter, also should not be considered as inventor the theme is not thought of as it is disclosed
A part of subject matter.