CN106273607B - A kind of two point multi-link lever press drive mechanism - Google Patents
A kind of two point multi-link lever press drive mechanism Download PDFInfo
- Publication number
- CN106273607B CN106273607B CN201610927294.1A CN201610927294A CN106273607B CN 106273607 B CN106273607 B CN 106273607B CN 201610927294 A CN201610927294 A CN 201610927294A CN 106273607 B CN106273607 B CN 106273607B
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- pin
- link
- swing
- guide pillar
- connecting rod
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- 230000007246 mechanism Effects 0.000 title claims abstract description 80
- 238000006073 displacement reaction Methods 0.000 claims abstract description 15
- 241001275902 Parabramis pekinensis Species 0.000 claims description 34
- 210000004907 gland Anatomy 0.000 claims description 11
- 208000006011 Stroke Diseases 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 230000013011 mating Effects 0.000 claims 1
- 230000008685 targeting Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B1/00—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
- B30B1/10—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by toggle mechanism
- B30B1/14—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by toggle mechanism operated by cams, eccentrics, or cranks
Abstract
The invention discloses a kind of two point multi-link lever press drive mechanism, including entablature, slider-crank mechanism, quadrangle variable displacement mechanism, elbow-bar mechanism, dynamic balancer, the dynamic balancer is fixedly installed on the top of the entablature, the slider-crank mechanism is arranged at the interior side-lower of the dynamic balancer, the quadrangle variable displacement mechanism is arranged at the lower section of the slider-crank mechanism, the elbow-bar mechanism is arranged at the lower section of the dynamic balancer, the lower end of the slider-crank mechanism and the upper end of the quadrangle variable displacement mechanism are connected, the lower end of the dynamic balancer and the upper end of the elbow-bar mechanism are connected, the left and right ends of the quadrangle variable displacement mechanism are connected with the lower end of the elbow-bar mechanism respectively.Indivedual bars are designed to " clamping plate " formula by the present invention under the premise of guarantee is rigid, are made up of front and rear two plate, and when leverage is run, power is directly over bar and transmitted, and does not produce additional force couple, so as to avoid the inordinate wear of pin joint.
Description
Technical field
The present invention relates to a kind of two point multi-link lever press drive mechanism, belong to metal forming machinery technical field.
Background technology
Multi-link lever press is widely used, and application field includes automobile, precise electronic etc., can using multi link drive mechanism
To extend molding time, speed during punching press is reduced, for ensureing stamping quality, improving production efficiency, reduction servomotor work(
Rate etc. is helpful.In multi link drive system, typically multiple bars are articulated with a bit, and the form design of bar is improper, easily
Additional force couple is produced, longtime running, pin joint gap will be caused to increase, influence sliding block running precision, or even cause pin joint different
Often abrasion, produce noise.Strict synchronism is required for two-point press, between each point, frequently by the only of each point
Vertical fine setting（Biasing）Realize synchronously, be not connected between each point, drive mechanism is rigidly slightly worse.Moreover, the side force of drive mechanism by
Fuselage targeting part undertakes, and long-play easily wears.
The content of the invention
Present invention aims at the defects of overcoming prior art to exist, solve above-mentioned technical problem, propose that a kind of two point is more
Link lever press drive mechanism, indivedual bars are designed to " clamping plate " formula under the premise of guarantee is rigid, are made up of front and rear two plate, bar
During system's operation, power is directly over bar and transmitted, and does not produce additional force couple, so as to avoid the inordinate wear of pin joint.
The bottom of two point is attached by front and rear two bar, on the one hand ensure that the position of two point is definitely consistent, ensures synchronism, another
The sliding block of face and bottom constitutes " returning " font structure, and targeting part is not subjected to mechanism side force, ensure that guiding accuracy
It is long-term to maintain.
The present invention adopts the following technical scheme that：A kind of two point multi-link lever press drive mechanism, it is characterised in that including upper
Crossbeam, slider-crank mechanism, quadrangle variable displacement mechanism, elbow-bar mechanism, dynamic balancer, the dynamic balancer fixed setting
In the top of the entablature, the slider-crank mechanism is arranged at the interior side-lower of the dynamic balancer, the quadrangle
Variable displacement mechanism is arranged at the lower section of the slider-crank mechanism, and the elbow-bar mechanism is arranged under the dynamic balancer
Side, the lower end of the slider-crank mechanism and the upper end of the quadrangle variable displacement mechanism are connected, the dynamic balancer
The upper end of lower end and the elbow-bar mechanism be connected, the left and right ends of the quadrangle variable displacement mechanism respectively with the elbow
The lower end of linkage is connected.
Preferably, slider-crank mechanism includes forked link, eccentric shaft, two bearing blocks, needle bearing, guide runners
Axle, guide runner, two bearing blocks are symmetrically mounted in entablature, and eccentric shaft is hinged by needle bearing and forked link, fork
Connecting rod bearing shell is provided with shape connecting rod, forked link is hinged by connecting rod bearing shell and guide runner axle, and guide runner is by screw with leading
To sliding block axis connection.
Preferably, one end of guide runner axle is provided with rectangular configuration end, and the other end of guide runner axle is provided with circle
Structure end, sliding block axle sliding tile is provided with left and right sides of the rectangular configuration end of guide runner axle, guide runner axle passes through sliding block
Axle sliding tile is slidably connected with entablature.
Preferably, one end of guide runner is provided with the stepped hole being engaged with the circular configuration end on guide runner axle,
Circular configuration end nesting on guide runner axle is arranged in the stepped hole of guide runner；The other end of guide runner is provided with cunning
Block sliding tile, guide runner are slidably connected by sliding block sliding tile with entablature.
Preferably, quadrangle variable displacement mechanism includes left swing bar, right swing rod, left connection board, left output connecting rod, left support
Plate, bearing pin, right connection board, right output connecting rod, right support plate, intermediolateral column, left guide pillar, right guide pillar, transverse slat, left swing bar are symmetrically installed
At the middle part of forked link, right swing rod is symmetrically mounted on the front and rear sides of left swing bar, and the lower end of forked link passes through guide runner
The upper end with left swing bar, the upper end of right swing rod are hinged axle respectively；Left connection board is symmetrically distributed in the front and rear sides of left swing bar, left defeated
Go out the lower-left end that connecting rod is arranged at left swing bar, left support plate is symmetrically distributed in the front and rear sides of left swing bar；Right connection board is arranged at
The right side of right swing rod, right output connecting rod are arranged at the lower right side of right swing rod, and right support plate is arranged at the lower left side of right swing rod；It is middle
Post is arranged at the bottom centre position on entablature, and left guide pillar, right guide pillar are respectively arranged at bottom left and the right side on entablature
Side position, the upper end of intermediolateral column are provided with the middle pin being engaged, and the upper end of left guide pillar is provided with the left guide pillar pin being engaged,
The upper end of right guide pillar is provided with the right guide pillar pin being engaged, and left guide pillar pin passes through transverse slat and right guide pillar pin connection；Intermediolateral column it is upper
End is hinged by middle pin and the bottom righthand side of left support plate, the lower-left end of right support plate, and left guide pillar upper end passes through left guide pillar pin
Be hinged with the left end of the left output lower end of connecting rod, transverse slat, the upper end of right guide pillar by right guide pillar pin respectively with right output connecting rod
Lower end, the right-hand member of transverse slat are hinged；Bearing pin is respectively arranged at the upper end of left output connecting rod, the upper end of right output connecting rod.
Preferably, the pin-and-hole of left swing bar first, the pin-and-hole of left swing bar second are provided with left swing bar, is occupied in the pin-and-hole of left swing bar first
In the left swing lever pin first being engaged is installed, left swing bar is hinged by the upper end of left swing lever pin first and left support plate；Left swing bar
Two pin-and-holes are provided with left swing lever pin second between two parties, and the brasses being engaged with left swing lever pin second is provided with the pin-and-hole of left swing bar second, left
The lower end of swing rod is hinged by the right-hand member of left swing lever pin second and left connection board, and the left end of left connection board is connected by bearing pin and left output
The upper end of bar is hinged；The right pin-and-hole of swing rod first, the pin-and-hole of right swing rod second are provided with right swing rod, the right pin-and-hole of swing rod first is pacified between two parties
Equipped with the right swing link pin first being engaged, right swing rod is hinged by the upper right side of right swing link pin first and right support plate, in right support plate
Equipped with the brasses being engaged with right swing link pin first；The right swing link pin second being engaged is installed between two parties in the right pin-and-hole of swing rod second, it is right
The pin-and-hole of swing rod second passes through right swing link pin second and right connection built with the brasses being engaged with right swing link pin second, the lower end of right swing rod
The left end of plate is hinged, and the right-hand member of right connection board is hinged by the upper end of bearing pin and right output connecting rod.
Preferably, be also equipped with spacer between the right-hand member of transverse slat and right output connecting rod, transverse slat and left guide pillar pin, right guide pillar pin it
Between be interference connection or machinery it is locked, ensure the location consistency of two point.
Preferably, positioning key is additionally provided between intermediolateral column and entablature, prevents intermediolateral column from rotating；Under entablature
Portion is also equipped with locknut, and intermediolateral column is used with locknut and is threadedly coupled.
Preferably, elbow-bar mechanism includes toggle link, toggle link bearing pin, gland, alignment pin, and toggle link is symmetrically distributed in left output and connected
The front and rear sides of bar, are provided with the pin-and-hole of toggle link first, the pin-and-hole of toggle link second on toggle link, the pin-and-hole of toggle link first built with toggle link pin
The brasses that axle is engaged, brasses and the toggle link hinge of the pin-and-hole of toggle link first, gland are connected by peripheral screw with entablature,
Gland is fixedly connected by central screw with toggle link bearing pin, prevents toggle link bearing pin from rotating；The pin-and-hole of toggle link second connects with alignment pin
Connect, the intermediate radial size of alignment pin is more than alignment pin both sides radial dimension, and the toggle link progress to front and rear side is spacing；Toggle link
Outside be additionally provided with baffle plate, baffle plate is connected by screw with bearing pin, and space is left between baffle plate and toggle link.
Preferably, dynamic balancer includes balanced connecting rod, link pin, secondary sliding block, secondary sliding block case, guide pillar pin, secondary sliding block
Case is arranged at the top of entablature, and guide pillar pin is installed in secondary sliding block case, and the lower end of balanced connecting rod is equipped with and alignment pin
The brasses that is engaged of centre, the brasses of balanced connecting rod lower end and the centre of alignment pin be hinged, and the upper end of balanced connecting rod is equipped with
The brasses being engaged with link pin, brasses and the link pin of the upper end of balanced connecting rod are hinged, and link pin is fixedly connected with secondary sliding block,
Inserted in secondary sliding block equipped with the brasses being engaged with guide pillar pin, secondary sliding block case by guide pillar pin in secondary sliding block, realize that motion is led
To.
The beneficial effect that the present invention is reached：（1）Indivedual rod members in multi-connecting-rod mechanism in the present invention use " clamping plate "
Form, it is simple in construction, it is easily manufactured, due to the symmetric form of clamping plate, additional force couple is not produced, improves the stress shape of pin joint
Formula, so as to ensure precision, extend the life-span；（2）The output point of bottom two of multi-connecting-rod mechanism in the present invention uses the direct phase of transverse slat
Even, the output side force in leverage can be offset, while " returning " font structure is formed with the sliding block of bottom, rigidly be obtained
Significantly improve, avoid the abrasion of intermediate guides, ensure that the synchronism of two point, it is achieved thereby that sliding block running precision
Improve.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structural representation of A-A of the invention to section view.
Fig. 3 is the structural representation of the B-B direction section view of the present invention.
Fig. 4 is the structural representation of C-C of the invention to section view.
Fig. 5 is the structural representation of D-D of the invention to section view.
Fig. 6 is the structural representation of E-E of the invention to section view.
Fig. 7 is the structural representation of F-F of the invention to section view.
The implication marked in figure：1- forked links, 1a- connecting rod bearing shells, 2- eccentric shafts, 3- bearing blocks, 4- outer separators, 5- needle rollers
Bearing, 6- inner spacing collars, 7- guide runner axles, 7a- sliding block axle sliding tiles, 8- guide runners, 8a- sliding block sliding tiles, 9- entablatures,
10- left swing bars, 10a- left swings the first pin-and-hole of bar, 10b- left swings the second pin-and-hole of bar, the right swing rods of 11-, the right pin-and-holes of swing rod first of 11a-,
The right pin-and-holes of swing rod second of 11b-, 12- left swing lever pin first, 13- left swing lever pin second, 14- left connection boards, 15- baffle plates, 16- bearing pins,
The left output connecting rods of 17-, 18- toggle links, the pin-and-hole of 18a- toggle links first, the pin-and-hole of 18b- toggle links second, 19- left support plates, the right swing rods of 20-
Sell first, the right swing link pin second of 21-, 22- right connection boards, the right output connecting rods of 23-, 24- right support plates, 25- intermediolateral columns, 26- intermediolateral columns
Pin, 27- locknuts, the left guide pillars of 28-, the right guide pillars of 29-, 30- guide pillar seats, 31- guide pillar seat glands, the left guide pillar pins of 32-, 33- transverse slats,
34- toggle link bearing pins, 35- glands, 36- alignment pins, 37- balanced connecting rods, 38- link pins, 39- pair sliding blocks, 40- pair sliding block covers
Shell, 41- guide pillar pins, 42- positioning keys, the right guide pillar pins of 43-, 44- spacers.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings.Following examples are only used for clearly illustrating the present invention
Technical scheme, and can not be limited the scope of the invention with this.
Fig. 1 is the structural representation of the present invention.The present invention proposes a kind of two point multi-link lever press drive mechanism, its feature
It is, including entablature 9, slider-crank mechanism, quadrangle variable displacement mechanism, elbow-bar mechanism, dynamic balancer, dynamic balancer
The top of entablature 9 is fixedly installed on, slider-crank mechanism is arranged at the interior side-lower of dynamic balancer, and quadrangle becomes stroke machine
Structure is arranged at the lower section of slider-crank mechanism, and elbow-bar mechanism is arranged at the lower section of dynamic balancer, the lower end of slider-crank mechanism
It is connected with the upper end of quadrangle variable displacement mechanism, the lower end of dynamic balancer and the upper end of elbow-bar mechanism are connected, and four
The left and right ends of side deformation Strok mechanism are connected with the lower end of elbow-bar mechanism respectively.
Fig. 2 is the structural representation of A-A of the invention to section view.Slider-crank mechanism include forked link 1, eccentric shaft 2,
Two bearing blocks 3, needle bearing 5, guide runner axle 7, guide runner 8, two bearing blocks 3 are symmetrically mounted in entablature 9, partially
Mandrel 2 is be hinged by needle bearing 5 and forked link 1, connecting rod bearing shell 1a is provided with forked link 1, forked link 1 passes through connecting rod
Watt 1a is be hinged with guide runner axle 7, and guide runner 8 is connected by screw with guide runner axle 7.
Fig. 3 is the structural representation of the B-B direction section view of the present invention.One end of guide runner axle 7 is provided with rectangular configuration end,
The other end of guide runner axle 7 is provided with circular configuration end, and cunning is provided with left and right sides of the rectangular configuration end of guide runner axle 7
Block axle sliding tile 7a, guide runner axle 7 are slidably connected by sliding block axle sliding tile 7a with entablature 9.
As a kind of preferred embodiment, one end of guide runner 8 is provided with and the circular configuration end on guide runner axle 7
The stepped hole being engaged, the circular configuration end nesting on guide runner axle 7 is arranged in the stepped hole of guide runner 8, for reality
Existing guide runner axle 7 is positioned with guide runner；The other end of guide runner 8 is provided with sliding block sliding tile 8a, guide runner 8
It is slidably connected by sliding block sliding tile 8a and entablature 9.
Quadrangle variable displacement mechanism includes left swing bar 10, right swing rod 11, left connection board 14, left output connecting rod 17, left support
Plate 19, bearing pin 16, right connection board 22, right output connecting rod 23, right support plate 24, intermediolateral column 25, left guide pillar 28, right guide pillar 29, horizontal stroke
Plate 33, left swing bar 10 are symmetrically mounted on the middle part of forked link 1, and right swing rod 11 is symmetrically mounted on the front and rear sides of left swing bar 10,
The lower end of forked link 1 by guide runner axle 7 respectively the upper end with left swing bar 10, right swing rod 11 upper end be hinged；Left connection
Plate 14 is symmetrically distributed in the front and rear sides of left swing bar 10, and left output connecting rod 17 is arranged at the lower-left end of left swing bar 10, left support plate
19 are symmetrically distributed in the front and rear sides of left swing bar 10；Right connection board 22 is arranged at the right side of right swing rod 11, and right output connecting rod 23 is set
The lower right side of right swing rod 11 is placed in, right support plate 24 is arranged at the lower left side of right swing rod 11；Intermediolateral column 25 is arranged on entablature 9
Bottom centre position, left guide pillar 28, right guide pillar 29 be respectively arranged at bottom left and right positions on entablature 9, middle
The upper end of post 25 is provided with the middle pin 26 being engaged, and the upper end of left guide pillar 28 is provided with the left guide pillar pin 32 being engaged, right
The upper end of guide pillar 29 is provided with the right guide pillar pin 43 being engaged, and left guide pillar pin 32 is connected by transverse slat 33 with right guide pillar pin 43；In
The upper end of studding 25 is hinged by middle pin 26 and the bottom righthand side of left support plate 19, the lower-left end of right support plate 24, left guide pillar
28 upper ends are hinged by left guide pillar pin 32 and the lower end of left output connecting rod 17, the left end of transverse slat 33, and the upper end of right guide pillar 29 passes through
The lower end with right output connecting rod 23, the right-hand member of transverse slat 33 are hinged right guide pillar pin 43 respectively；Bearing pin 16 is respectively arranged at left output and connected
The upper end of bar 17, the upper end of right output connecting rod 23.
As a kind of preferred embodiment, left guide pillar 28, intermediolateral column 25 use U-shaped guide pillar, and right guide pillar 29 is led using T-shaped
Post.
Fig. 5 is the structural representation of D-D of the invention to section view.Fig. 7 is structural representations of the F-F of the present invention to section view
Figure.The first pin-and-hole of left swing bar 10a, left swing bar the second pin-and-hole 10b are provided with left swing bar 10, is occupied in the first pin-and-hole of left swing bar 10a
In the left swing lever pin first 12 being engaged is installed, left swing bar 10 is hinged by the upper end of left swing lever pin first 12 and left support plate 19；
The second pin-and-hole of left swing bar 10b is provided with left swing lever pin second 13 between two parties, is provided with the second pin-and-hole of left swing bar 10b and left swing lever pin second
13 brasses being engaged, the lower end of left swing bar 10 are hinged by the right-hand member of left swing lever pin second 13 and left connection board 14, left connection board
14 left end is hinged by the upper end of bearing pin 16 and left output connecting rod 17；Be provided with right swing rod 11 right the first pin-and-hole of swing rod 11a,
Right the second pin-and-hole of swing rod 11b, right the first pin-and-hole of swing rod 11a are provided with the right swing link pin first 20 being engaged between two parties, and right swing rod 11 is logical
The upper right side for crossing right swing link pin first 20 and right support plate 24 is hinged, and right support plate 24 is built with being engaged with right swing link pin first 20
Brasses；The right swing link pin second 21 being engaged is installed between two parties, right the second pin-and-hole of swing rod 11b is built-in in right the second pin-and-hole of swing rod 11b
There is the brasses being engaged with right swing link pin second 21, the lower end of right swing rod 11 passes through the left end of right swing link pin second 21 and right connection board 22
Be hinged, the right-hand member of right connection board 22 is hinged by the upper end of bearing pin 16 and right output connecting rod 23.
Fig. 6 is the structural representation of E-E of the invention to section view.Also filled between the right-hand member of transverse slat 33 and right output connecting rod 23
There is spacer 44, be that interference connection or machinery are locked between transverse slat 33 and left guide pillar pin 32, right guide pillar pin 43, ensure two point
Location consistency.
Positioning key 42 is additionally provided between intermediolateral column 25 and entablature 9, prevents intermediolateral column 25 from rotating；Entablature 9
Bottom is also equipped with locknut 27, and intermediolateral column 25 is used with locknut 27 and is threadedly coupled.When need change sliding block（Refer to master slider, in figure
It is not drawn into）During stroke, only it need to change lower link point center（The axle center of middle pin 26）To intermediolateral column 25 installation locating surface it
Between distance H.
Fig. 4 is the structural representation of C-C of the invention to section view.Elbow-bar mechanism includes toggle link 18, toggle link bearing pin 34, gland
35th, alignment pin 36, toggle link 18 are symmetrically distributed in the front and rear sides of left output connecting rod 17, and being provided with toggle link first on toggle link 18 sells
Hole 18a, toggle link the second pin-and-hole 18b, toggle link the first pin-and-hole 18a is built with the brasses being engaged with toggle link bearing pin 34, toggle link first
Pin-and-hole 18a brasses is be hinged with toggle link bearing pin 34, and gland 35 is connected by peripheral screw with entablature 9, and gland 35 passes through centre
Screw is fixedly connected with toggle link bearing pin 34, prevents toggle link bearing pin 34 from rotating；Toggle link the second pin-and-hole 18b is connected with alignment pin 36,
The intermediate radial size of alignment pin 36 is more than the both sides radial dimension of alignment pin 36, the toggle link 18 of front and rear side is carried out spacing；
The outside of toggle link 18 is additionally provided with baffle plate 15, and baffle plate 15 is connected with bearing pin 16 by screw, left between baffle plate 15 and toggle link 18
Space.
Dynamic balancer includes balanced connecting rod 37, link pin 38, secondary sliding block 39, secondary sliding block case 40, guide pillar pin 41, and pair is sliding
Block case 40 is arranged at the top of entablature 9, and guide pillar pin 41 is installed in secondary sliding block case 40, and the lower end of balanced connecting rod 37 is equipped with
The brasses being engaged with the centre of alignment pin 36, the brasses of the lower end of balanced connecting rod 37 and the centre of alignment pin 36 are hinged, and are put down
The upper end of weighing apparatus connecting rod 37 is equipped with the brasses being engaged with link pin 38, and brasses and the link pin 38 of the upper end of balanced connecting rod 37 are cut with scissors
Connect, link pin 38 is fixedly connected with secondary sliding block 39, equipped with the brasses being engaged with guide pillar pin 41, secondary sliding block case in secondary sliding block 39
40 are inserted in secondary sliding block 39 by guide pillar pin 41, realize motion guide.
The structural principle of the present invention：The end of elbow-bar mechanism（Export power section, also known as guide pillar）Top by front and rear
The transverse slat 33 of side is joined directly together, and ensure that the side force of multi-connecting-rod mechanism is cancelled out each other, while the main cunning being connected with bottom guide pillar
Block（It is not drawn into figure）" returning " type structure is formd, improves rigidity, guide pillar targeting part precision is able to long sustaining.Slide crank
Guide runner 8 in block mechanism is the power input portion of leverage, and guide runner 8 is intermediate cylindrical, both sides square structure, square
Structure division can slide up and down in entablature 9；Forked link 1 is fork configuration, and left swing bar 10 and two right swing rods 11 occupy
In be symmetrically distributed in forked link 1.Left swing lever pin first 12, the outside of left swing lever pin first 12 are installed in the first pin-and-hole of left swing bar 10a
For front and rear be hinged left support plate 19, the built-in brasses of left swing bar the second pin-and-hole 10b, pass through left swing lever pin second 13 and a left side for front and rear side
Connecting plate 14 is be hinged, and the other end of left connection board 14 and the toggle link 18 of front and rear side are distributed between two parties, and centre is left output connecting rod 17, jointly
Connected with bearing pin 16.Left output connecting rod 17 is arranged in left guide pillar 28 by left guide pillar pin 32, and the left outside of guide pillar pin 32 is by preceding
The transverse slat 33 of rear side is connected with another point.The right swing link pin first installed among two right swing rods 11 by right the first pin-and-hole of swing rod 11a
20 is be hinged with right support plate 24, and the fixed pivot at middle pin 26 is articulated with jointly with two left support plates 19, passes through fixed branch
The variation of point position, realizes the adjustment of slider stroke.The built-in brasses of right swing rod the second pin-and-hole 11b of two right swing rods 11, passes through the right side
Swing link pin second 21 and the right connection board 22 at middle part are be hinged, the bracket 18 of the right output connecting rod 23 of right connection board 22, two and front and rear side
It is arranged symmetrically between two parties, the other end of two right output connecting rods 23 passes through right guide pillar pin 53 and T-shaped right guide pillar 29 and the horizontal stroke of front and rear side
Plate 33 is be hinged.Toggle link the first pin-and-hole 18a of front and rear sides is by realizing be hinged, toggle link with the toggle link bearing pin 34 in fuselage
Second pin-and-hole 18b and the balanced connecting rod 37 for being provided with brasses are be hinged by alignment pin 36, and the other end of balanced connecting rod 37 then passes through
Brasses is hinged with the connecting pin 38 in secondary sliding block 39.When master slider moves, the secondary direction of motion of sliding block 39 and its
On the contrary, by rationally determining mass parameter, dynamic equilibrium is realized.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, some improvement and deformation can also be made, these are improved and deformation
Also it should be regarded as protection scope of the present invention.
Claims (9)
1. a kind of two point multi-link lever press drive mechanism, it is characterised in that including entablature (9), slider-crank mechanism, four sides
Deformation Strok mechanism, elbow-bar mechanism, dynamic balancer, the dynamic balancer are fixedly installed on the top of the entablature (9),
The slider-crank mechanism is arranged at the interior side-lower of the dynamic balancer, and the quadrangle variable displacement mechanism is arranged at described
The lower section of slider-crank mechanism, the elbow-bar mechanism are arranged at the lower section of the dynamic balancer, the slider-crank mechanism
Lower end and the upper end of the quadrangle variable displacement mechanism are connected, the lower end of the dynamic balancer and the elbow-bar mechanism
Upper end is connected, the left and right ends lower end mating connection with the elbow-bar mechanism respectively of the quadrangle variable displacement mechanism；
The slider-crank mechanism includes forked link (1), eccentric shaft (2), two bearing blocks (3), needle bearing (5), guide runner
Axle (7), guide runner (8), two bearing blocks (3) are symmetrically mounted in the entablature (9), and the eccentric shaft (2) is logical
It is be hinged with the forked link (1) to cross the needle bearing (5), connecting rod bearing shell (1a) is provided with the forked link (1), it is described
Forked link (1) is be hinged by the connecting rod bearing shell (1a) and the guide runner axle (7), and the guide runner (8) passes through screw
It is connected with the guide runner axle (7).
A kind of 2. two point multi-link lever press drive mechanism according to claim 1, it is characterised in that the guide runner
One end of axle (7) is provided with rectangular configuration end, and the other end of the guide runner axle (7) is provided with circular configuration end, described to lead
Sliding block axle sliding tile (7a) is provided with left and right sides of to the rectangular configuration end of sliding block axle (7), the guide runner axle (7) passes through
The sliding block axle sliding tile (7a) is slidably connected with the entablature (9).
3. according to a kind of any described two point multi-link lever press drive mechanism of claim 1 or 2, it is characterised in that described
One end of guide runner (8) is provided with the stepped hole being engaged with the circular configuration end on the guide runner axle (7), described to lead
It is arranged to the circular configuration end nesting on sliding block axle (7) in the stepped hole of the guide runner (8)；The guide runner (8)
The other end be provided with sliding block sliding tile (8a), the guide runner (8) passes through the sliding block sliding tile (8a) and the upper horizontal stroke
Beam (9) is slidably connected.
4. a kind of two point multi-link lever press drive mechanism according to claim 1, it is characterised in that the quadrangle becomes
Strok mechanism includes left swing bar (10), right swing rod (11), left connection board (14), left output connecting rod (17), left support plate (19), pin
Axle (16), right connection board (22), right output connecting rod (23), right support plate (24), intermediolateral column (25), left guide pillar (28), right guide pillar
(29), transverse slat (33), the left swing bar (10) are symmetrically mounted on the middle part of the forked link (1), and the right swing rod (11) is right
Claim to pass through the guide runner axle (7) point installed in the front and rear sides of the left swing bar (10), the lower end of the forked link (1)
The upper end of upper end, right swing rod (11) not with the left swing bar (10) is hinged；The left connection board (14) is symmetrically distributed in described
The front and rear sides of left swing bar (10), the left output connecting rod (17) are arranged at the lower-left end of the left swing bar (10), the left branch
Fagging (19) is symmetrically distributed in the front and rear sides of the left swing bar (10)；The right connection board (22) is arranged at the right swing rod
(11) right side, the right output connecting rod (23) are arranged at the lower right side of the right swing rod (11), and the right support plate (24) sets
It is placed in the lower left side of the right swing rod (11)；The intermediolateral column (25) is arranged at the bottom centre position on the entablature (9),
The left guide pillar (28), the right guide pillar (29) are respectively arranged at bottom left and right positions on the entablature (9), institute
The upper end for stating intermediolateral column (25) is provided with the middle pin (26) being engaged, and the upper end of the left guide pillar (28), which is provided with, to be engaged
Left guide pillar pin (32), the upper end of the right guide pillar (29) is provided with the right guide pillar pin (43) being engaged, the left guide pillar pin
(32) it is connected by transverse slat (33) with the right guide pillar pin (43)；The upper end of the intermediolateral column (25) by middle pin (26) with
The bottom righthand side of the left support plate (19), the lower-left end of the right support plate (24) are hinged, and left guide pillar (28) upper end passes through
Left guide pillar pin (32) is hinged with the lower end of the left output connecting rod (17), the left end of the transverse slat (33), the right guide pillar (29)
Upper end by right guide pillar pin (43) respectively with it is described it is right output connecting rod (23) lower end, the transverse slat (33) right-hand member be hinged；
The bearing pin (16) is respectively arranged at the upper end of the left output connecting rod (17), the upper end of right output connecting rod (23).
A kind of 5. two point multi-link lever press drive mechanism according to claim 4, it is characterised in that the left swing bar
(10) pin-and-hole of left swing bar first (10a), the pin-and-hole of left swing bar second (10b) are provided with, the pin-and-hole of left swing bar first (10a) is interior
The left swing lever pin first (12) being engaged is installed between two parties, the left swing bar (10) passes through the left swing lever pin first (12) and the left side
The upper end of supporting plate (19) is hinged；The pin-and-hole of left swing bar second (10b) is provided with left swing lever pin second (13), the left swing between two parties
The brasses being engaged with the left swing lever pin second (13), the lower end of the left swing bar (10) are provided with the pin-and-hole of bar second (10b)
It is hinged by the left swing lever pin second (13) and the right-hand member of the left connection board (14), the left end of the left connection board (14) passes through
The upper end of the bearing pin (16) and the left output connecting rod (17) is hinged；Right swing rod first is provided with the right swing rod (11) to sell
Hole (11a), the pin-and-hole of right swing rod second (11b), the right pin-and-hole of swing rod first (11a) are provided with the right swing link pin being engaged between two parties
First (20), the right swing rod (11) are hinged by the right swing link pin first (20) and the upper right side of the right support plate (24), institute
Right support plate (24) is stated built with the brasses being engaged with the right swing link pin first (20)；The pin-and-hole of right swing rod second (11b)
It is interior it is placed in the middle the right swing link pin second (21) being engaged be installed, the right pin-and-hole of swing rod second (11b) built with the right swing rod
The brasses that pin second (21) is engaged, the lower end of the right swing rod (11) passes through the right swing link pin second (21) and the right connection board
(22) left end is hinged, and the right-hand member of the right connection board (22) is upper by the bearing pin (16) and the right output connecting rod (23)
End is be hinged.
6. according to a kind of any described two point multi-link lever press drive mechanism of claim 4 or 5, it is characterised in that described
Spacer (44), the transverse slat (33) and the left guide pillar are also equipped between the right-hand member of transverse slat (33) and the right output connecting rod (23)
It is that interference connection or machinery are locked between pin (32), the right guide pillar pin (43), ensures the location consistency of two point.
7. according to a kind of any described two point multi-link lever press drive mechanism of claim 4 or 5, it is characterised in that described
Positioning key (42) is additionally provided between intermediolateral column (25) and the entablature (9), prevents the intermediolateral column (25) from rotating；Institute
The bottom for stating entablature (9) is also equipped with locknut (27), and the intermediolateral column (25) uses with the locknut (27) and is threadedly coupled.
A kind of 8. two point multi-link lever press drive mechanism according to claim 4, it is characterised in that the elbow-bar mechanism
Including toggle link (18), toggle link bearing pin (34), gland (35), alignment pin (36), the toggle link (18) is symmetrically distributed in the left side
The front and rear sides of connecting rod (17) are exported, the pin-and-hole of toggle link first (18a), the pin-and-hole of toggle link second are provided with the toggle link (18)
(18b), the pin-and-hole of toggle link first (18a) is built with the brasses being engaged with the toggle link bearing pin (34), the toggle link first
The brasses of pin-and-hole (18a) is be hinged with the toggle link bearing pin (34), and the gland (35) passes through peripheral screw and the entablature (9)
Connection, the gland (35) are fixedly connected by central screw with the toggle link bearing pin (34), prevent toggle link bearing pin (34) from rotating；
The pin-and-hole of toggle link second (18b) is connected with the alignment pin (36), and the intermediate radial size of the alignment pin (36) is big
It is spacing in the alignment pin (36) both sides radial dimension, the toggle link (18) progress to front and rear side；The toggle link (18)
Outside is additionally provided with baffle plate (15), and the baffle plate (15) is connected by screw with the bearing pin (16), the baffle plate (15) and institute
State and leave space between toggle link (18).
A kind of 9. two point multi-link lever press drive mechanism according to claim 8, it is characterised in that the dynamic balancing machine
Structure includes balanced connecting rod (37), link pin (38), secondary sliding block (39), secondary sliding block case (40), guide pillar pin (41), the secondary sliding block
Case (40) is arranged at the top of the entablature (9), and the guide pillar pin (41) is installed in the secondary sliding block case (40), institute
The lower end for stating balanced connecting rod (37) is equipped with the brasses being engaged with the centre of the alignment pin (36), the balanced connecting rod (37)
The centre of the brasses of lower end and the alignment pin (36) is hinged, and the upper end of the balanced connecting rod (37) is equipped with and the link pin
(38) brasses being engaged, the brasses and the link pin (38) of the upper end of the balanced connecting rod (37) are be hinged, the link pin
(38) it is fixedly connected with the secondary sliding block (39), equipped with the brasses being engaged with the guide pillar pin (41), institute in secondary sliding block (39)
State secondary sliding block case (40) to insert in the secondary sliding block (39) by the guide pillar pin (41), realize motion guide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610927294.1A CN106273607B (en) | 2016-10-31 | 2016-10-31 | A kind of two point multi-link lever press drive mechanism |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610927294.1A CN106273607B (en) | 2016-10-31 | 2016-10-31 | A kind of two point multi-link lever press drive mechanism |
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| CN106273607A CN106273607A (en) | 2017-01-04 |
| CN106273607B true CN106273607B (en) | 2017-12-08 |
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| CN201610927294.1A Active CN106273607B (en) | 2016-10-31 | 2016-10-31 | A kind of two point multi-link lever press drive mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107972301A (en) * | 2017-12-25 | 2018-05-01 | 南京农业大学 | A kind of multi-connecting rod servo press machine |
| CN108582830B (en) * | 2018-04-08 | 2020-07-28 | 西安交通大学 | Symmetric toggle rod type inertia force balancing mechanism for servo mechanical press |
| CN108656593B (en) * | 2018-04-08 | 2021-01-15 | 西安交通大学 | Two-stage polarization inertia force balancing mechanism for symmetrical double-toggle rod boosting type press |
| CN109759823B (en) * | 2018-12-13 | 2020-09-01 | 南京工程学院 | Multi-connecting-rod driving mechanism assembling tool |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4291896B2 (en) * | 1998-06-10 | 2009-07-08 | 株式会社山田ドビー | Press machine |
| JP3667227B2 (en) * | 2000-11-13 | 2005-07-06 | 株式会社山田ドビー | Press machine |
| CN201147994Y (en) * | 2008-01-07 | 2008-11-12 | 扬州锻压机床集团有限公司 | Knuckle joint press |
| CN201350688Y (en) * | 2009-01-12 | 2009-11-25 | 金丰机器工业股份有限公司 | Toggle joint compound driving servo press |
| CN206264399U (en) * | 2016-10-31 | 2017-06-20 | 南京工程学院 | A kind of two point multi-link lever press drive mechanism |
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Application publication date: 20170104 Assignee: Nanjing Jiuli Electronic Technology Co.,Ltd. Assignor: NANJING INSTITUTE OF TECHNOLOGY Contract record no.: X2024980001819 Denomination of invention: A driving mechanism for a double point multi link press Granted publication date: 20171208 License type: Common License Record date: 20240204 |
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Application publication date: 20170104 Assignee: NANJING CHUANGYI INTELLIGENT TECHNOLOGY Co.,Ltd. Assignor: NANJING INSTITUTE OF TECHNOLOGY Contract record no.: X2024980003129 Denomination of invention: A driving mechanism for a double point multi link press Granted publication date: 20171208 License type: Common License Record date: 20240322 |