CN209161379U - Sprocket wheel connecting rod lifting mechanism - Google Patents
Sprocket wheel connecting rod lifting mechanism Download PDFInfo
- Publication number
- CN209161379U CN209161379U CN201821762444.9U CN201821762444U CN209161379U CN 209161379 U CN209161379 U CN 209161379U CN 201821762444 U CN201821762444 U CN 201821762444U CN 209161379 U CN209161379 U CN 209161379U
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- China
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- connecting rod
- sprocket wheel
- link assembly
- power
- rack
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Abstract
This application discloses a kind of sprocket wheel connecting rod lifting mechanisms, are related to stacking apparatus technical field.It includes rack and is arranged on the rack power device, transmission device and lifting device, and lifting device includes movable pulley component and link assembly.The power device of the utility model provides power, transmission operation is driven to pass to lifting device for inner, movable pulley component in lifting device is connect with transmission device, movable pulley component is during transmitting, the movement travel of transmission device is amplified, it is transmitted to link assembly again, so that the moving distance of link assembly is greatly increased relative to the stroke of transmission device, to increase the lifting distance of entire elevating mechanism.
Description
Technical field
The utility model relates to stacking apparatus technical field more particularly to a kind of sprocket wheel connecting rod lifting mechanisms.
Background technique
Elevating mechanism is the common equipment used in mechanical equipment.In the existing scheme for realizing lifting using motor
In, motor drives the lead screw rotation in transmission device after speed reducer increases reduction ratio, and lead screw rotation drives nut to realize again
Linear motion drives entire connection rod set to realize so that follow-up connecting rod be driven to realize to the movement being pushed forward by other link mechanisms
Elevating function.
But in such up-down mode, lifting distance achieved by connecting rod is biggish by nut shift motion
Limitation, and in Stacking Robots, General Spatial is smaller, so the shift motion of the nut of transmission device is small, connecting rod institute energy
The lifting distance of realization is small.
Therefore, the elevating mechanism of bigger lifting distance can be realized in limited shift motion by being badly in need of one kind.
Utility model content
The utility model, can be in the shifting of transmission device in view of the above-mentioned problems, propose a kind of sprocket wheel connecting rod lifting mechanism
In the case that dynamic stroke is constant, effectively increase lifting distance.
The technical solution that the utility model is taken is as follows: a kind of sprocket wheel connecting rod lifting mechanism, including rack and setting are in machine
Power device, transmission device and lifting device on frame, the power device provide lifting drive, the transmission device respectively with it is dynamic
Power device is connected with lifting device, and for imparting power to lifting device, the lifting device includes movable pulley component and company
Bar assembly, the movable pulley component are connect with transmission device, described for the power conversion of transmission device to be passed to link assembly
Link assembly drives external device (ED) to move up and down for being fixedly connected with external device (ED).
Further, the movable pulley component includes sprocket wheel and chain, and the sprocket wheel is rotatably arranged in transmission device
On, described chain one end is fixed on the rack, and the other end is fixedly connected after bypassing sprocket wheel with link assembly, for driving connection rod set
Part rotation.
Further, the movable pulley component includes gear and transmission belt, and the gear is rotatably arranged in transmission dress
It sets, the wherein one side of the transmission belt is equipped with rack gear, and described transmission belt one end is fixed on the rack, after the other end bypasses gear
It is fixedly connected with link assembly, the rack and pinion engagement for driving link assembly to rotate, on the transmission belt.
Further, the power device includes servo motor and speed reducer, and the servo motor is used to provide power, institute
It states speed reducer to connect with servo motor, for slowing down to servo motor, the transmission device is connect with speed reducer.
Further, the transmission device includes shaft coupling, screw pair and power pushing block, the screw pair packet
Lead screw and nut are included, described shaft coupling one end is fixedly connected with speed reducer, and the other end is fixedly connected with lead screw, and the nut is fixed
On power pushing block, the lead screw is matched with nut.
Further, the transmission device further includes constraint seat, and the constraint seat is fixed on the rack, and in power pushing block
Two sides be equipped with constraint seat, the movable distance of power pushing block is limited.
Further, the link assembly includes rotating bar and elevating lever, one end of the rotating bar and movable pulley component
It is fixedly connected, the other end and elevating lever are rotatablely connected.
Further, the rotating bar is scissor connecting rod, and the link assembly includes two groups of rotating bars, is separately positioned on
The both ends of rack, two groups of rotating bars are rotatablely connected with the both ends of elevating lever respectively.
The beneficial effects of the utility model are: power device provides power, transmission operation is driven to pass to liter for inner
Falling unit, the movable pulley component in lifting device are connect with transmission device, and movable pulley component, will transmission dress during transmitting
The movement travel set amplifies, then is transmitted to link assembly, so that the moving distance of link assembly is relative to transmission device
Stroke greatly increases, to increase the lifting distance of entire elevating mechanism.
Detailed description of the invention
Fig. 1 is the schematic perspective view of an embodiment of the present invention；
Fig. 2 is the positive structure diagram of an embodiment of the present invention；
Fig. 3 is the partial enlargement structural representation in Fig. 2 at A.
Each appended drawing reference in figure are as follows: 1, rack, 2, power device, 21, servo motor, 22, speed reducer, 3, transmission device,
31, shaft coupling, 32, screw pair, 33, power pushing block, 331, shaft, 34, constraint seat, 4, lifting device, 41, running block
Part, 411, sprocket wheel, 412, chain, 42, link assembly, 43, chain pulling block, 421, rotating bar, 4211, first connecting rod, 4212,
Two connecting rods, 422, elevating lever, 423, connecting rod constraint piece.
Specific embodiment
Below with reference to each attached drawing, the utility model is described in detail.
Referring to Fig. 1-3, the present embodiment provides a kind of sprocket wheel connecting rod lifting mechanisms, including rack 1 and setting to move in rack 1
Power device 2, transmission device 3 and lifting device 4.
Power device 2 provides lifting drive, and transmission device 3 is connect with power device 2 and lifting device 4 respectively, and being used for will
Power passes to lifting device 4.
Lifting device 4 includes movable pulley component 41 and link assembly 42, and movable pulley component 41 is connect with transmission device 3, is used
In the power conversion of transmission device 3 is passed to link assembly 42, link assembly 42 drives outer for being fixedly connected with external device (ED)
Part device moves up and down.
Power device 2 provides power, drives the work of transmission device 3 to pass to lifting device 4 for inner, in lifting device 4
Movable pulley component 41 is connect with transmission device 3, and movable pulley component 41 is during transmitting, by the movement travel of transmission device 3
Amplify, then be transmitted to link assembly 42 so that the moving distance of link assembly 42 relative to transmission device 3 stroke significantly
Increase, to increase the lifting distance of entire elevating mechanism.
Referring to Fig. 1, power device 2 includes servo motor 21 and speed reducer 22, is each attached in rack 1.Servo motor 21
It is used to provide power, speed reducer 22 is connect with servo motor 21, for slowing down to servo motor 21.Transmission device 3 with subtract
Fast machine 22 connects.
Referring to Fig. 1, transmission device 3 includes shaft coupling 31, screw pair 32 and power pushing block 33.Screw pair 32 wraps
Lead screw and nut are included, 31 one end of shaft coupling is fixedly connected with speed reducer 22, and the other end is fixedly connected with lead screw.Nut is fixed on dynamic
It pushes on block 33, lead screw is matched with nut.
The output shaft of servo motor 21 is transmitted on lead screw after speed reducer 22 increases reduction ratio, then through shaft coupling 31
Drive lead screw rotation.In lead screw rotation, the nut matched with lead screw is then along the length direction of lead screw according to the rotation of lead screw
Turn direction to move back and forth.Simultaneously as nut is fixed on power pushing block 33, so, power pushing block 33 is with nut
It moves together.
Transmission device 3 further includes constraint seat 34, and constraint seat 34 is fixed in rack 1, and equal in the two sides of power pushing block 33
Equipped with constraint seat 34, the movable distance of power pushing block 33 is limited, while anti-stopping power pushing block 33 bumps against other edges
Components.
Referring to Fig. 1-3, in the present embodiment, movable pulley component 41 includes sprocket wheel 411 and chain 412.Sprocket wheel 411 can be rotated
Ground is arranged on transmission device 3, and one end of power pushing block 33 is equipped with shaft 331, and sprocket wheel 411 is rotatably arranged in shaft 331
On, straight line is done by the drive of power pushing block 33 together and is moved back and forth.412 one end of chain is fixed in rack 1, is fixed in rack 1
One end of chain pulling block 43, chain 412 is fixedly connected by high-intensitive bolt with chain pulling block 43.The other end of chain 412
Around being fixedly connected after sprocket wheel 411 with link assembly 42, for driving link assembly 42 to rotate.Using movable pulley principle, when dynamic
When pushing the movement 1mm of block 33, chain 412 then correspondingly moves 2mm, to realize in limited stroke, by lifting distance
The purpose effectively amplified.
In another embodiment, movable pulley component includes gear and transmission belt.Gear is rotatably arranged in transmission device
On, the wherein one side of transmission belt is equipped with rack gear.Transmission belt one end is fixed on the rack, the other end bypass gear after with link assembly
It is fixedly connected, for driving link assembly to rotate.Rack and pinion engagement on transmission belt.
Referring to fig. 2, link assembly 42 includes rotating bar 421 and elevating lever 422.One end of rotating bar 421 passes through high intensity
Bolt is fixedly connected with the chain 412 of movable pulley component 41, and the other end and elevating lever 422 are rotatablely connected.
In the present embodiment, rotating bar 421 is scissor connecting rod, including first connecting rod 4211 and second connecting rod 4212, first
The shaft of connecting rod 4211 and second connecting rod 4212 forms rotatable connection by scissor shaft.In the present embodiment, connection rod set
Part 42 includes two groups of rotating bars 421, is separately positioned on the both ends of rack 1, two groups of rotating bars 421 respectively with elevating lever 422 two
End rotation connection.
It is additionally provided with connecting rod constraint piece 423 in the lower section of rotating bar 421, connecting rod constrains the setting direction and power of piece 423
The moving direction of pushing block 33 is parallel.Connecting rod constrains the lower end setting that piece 423 is close to rotating bar 421, i.e. abutting first connecting rod 4211
It is arranged with the lower end of second connecting rod 4212, so when the lower end of first connecting rod 4211 and second connecting rod 4212 receives chain 412
When pulling force, due to the effect of connecting rod constraint piece 423, the rolling of rotating bar 421 is become sliding, first connecting rod 4211 and second connects
The lower end of bar 4212 is slided along the length direction of connecting rod constraint piece 423, and angle between the two changes, so that the
The tip height of one connecting rod 4211 and second connecting rod 4212 changes.Elevating lever 422 then connects with first connecting rod 4211 and second
The top of bar 4212 is rotatablely connected, and realizes elevating movement under the drive of first connecting rod 4211 and second connecting rod 4212.
The above is only the preferred embodiment of the present invention, not thereby limits the patent protection of the utility model
Range, it is all with equivalent structure transformation made by the utility model specification and accompanying drawing content, directly or indirectly it is used in it
His relevant technical field similarly includes within the protection scope of the present utility model.
Claims (8)
1. a kind of sprocket wheel connecting rod lifting mechanism, which is characterized in that including rack and the power device being arranged on the rack, transmission dress
It sets and lifting device, the power device provides lifting drive, the transmission device connects with power device and lifting device respectively
It connects, for imparting power to lifting device, the lifting device includes movable pulley component and link assembly, the running block
Part is connect with transmission device, and for the power conversion of transmission device to be passed to link assembly, the link assembly is used for and outside
Device is fixedly connected, and external device (ED) is driven to move up and down.
2. sprocket wheel connecting rod lifting mechanism as described in claim 1, which is characterized in that the movable pulley component includes sprocket wheel and chain
Item, the sprocket wheel are rotatably arranged on transmission device, and described chain one end is fixed on the rack, after the other end bypasses sprocket wheel
It is fixedly connected with link assembly, for driving link assembly to rotate.
3. sprocket wheel connecting rod lifting mechanism as described in claim 1, which is characterized in that the movable pulley component includes gear and biography
Dynamic band, the gear are rotatably arranged on transmission device, and the wherein one side of the transmission belt is equipped with rack gear, the transmission belt
One end is fixed on the rack, and the other end is fixedly connected after bypassing gear with link assembly, described for driving link assembly to rotate
Rack and pinion engagement on transmission belt.
4. sprocket wheel connecting rod lifting mechanism a method according to any one of claims 1-3, which is characterized in that the power device includes servo
Motor and speed reducer, the servo motor are used to provide power, and the speed reducer is connect with servo motor, for servo motor
Slow down, the transmission device is connect with speed reducer.
5. sprocket wheel connecting rod lifting mechanism as claimed in claim 4, which is characterized in that the transmission device includes shaft coupling, silk
Thick stick pair of nut and power pushing block, the screw pair include lead screw and nut, and described shaft coupling one end and speed reducer, which are fixed, to be connected
It connects, the other end is fixedly connected with lead screw, and the nut is fixed on power pushing block, and the lead screw is matched with nut.
6. sprocket wheel connecting rod lifting mechanism as claimed in claim 5, which is characterized in that the transmission device further includes constraint seat,
The constraint seat is fixed on the rack, and is equipped with constraint seat in the two sides of power pushing block, to the movable distance of power pushing block
It is limited.
7. sprocket wheel connecting rod lifting mechanism as claimed in claim 4, which is characterized in that the link assembly includes rotating bar and liter
Bar drops, and one end of the rotating bar is fixedly connected with movable pulley component, and the other end and elevating lever are rotatablely connected.
8. sprocket wheel connecting rod lifting mechanism as claimed in claim 7, which is characterized in that the rotating bar is scissor connecting rod, and institute
Stating link assembly includes two groups of rotating bars, is separately positioned on the both ends of rack, and two groups of rotating bars turn with the both ends of elevating lever respectively
Dynamic connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821762444.9U CN209161379U (en) | 2018-10-29 | 2018-10-29 | Sprocket wheel connecting rod lifting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821762444.9U CN209161379U (en) | 2018-10-29 | 2018-10-29 | Sprocket wheel connecting rod lifting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209161379U true CN209161379U (en) | 2019-07-26 |
Family
ID=67335555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821762444.9U Active CN209161379U (en) | 2018-10-29 | 2018-10-29 | Sprocket wheel connecting rod lifting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209161379U (en) |
-
2018
- 2018-10-29 CN CN201821762444.9U patent/CN209161379U/en active Active
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