CN110606444A - Stacking lifting mechanism based on constant tensile force of air cylinder - Google Patents
Stacking lifting mechanism based on constant tensile force of air cylinder Download PDFInfo
- Publication number
- CN110606444A CN110606444A CN201810617608.7A CN201810617608A CN110606444A CN 110606444 A CN110606444 A CN 110606444A CN 201810617608 A CN201810617608 A CN 201810617608A CN 110606444 A CN110606444 A CN 110606444A
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- tensioning
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- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- 238000005096 rolling process Methods 0.000 claims abstract description 11
- 230000001105 regulatory effect Effects 0.000 claims abstract description 7
- 230000003028 elevating effect Effects 0.000 claims description 5
- 230000000087 stabilizing effect Effects 0.000 claims description 4
- 210000003437 trachea Anatomy 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 230000002349 favourable effect Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 244000208734 Pisonia aculeata Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/02—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms suspended from ropes, cables, or chains or screws and movable along pillars
- B66F7/04—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms suspended from ropes, cables, or chains or screws and movable along pillars hydraulically or pneumatically operated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Warehouses Or Storage Devices (AREA)
Abstract
The invention discloses a stacking lifting mechanism based on constant tension of cylinders, which comprises two supports symmetrically arranged on the left and right, wherein a stacking lifting frame capable of moving up and down along the two supports is arranged between the two supports, a tensioning chain is connected with the stacking lifting frame and the tensioning cylinder through tensioning chain wheels, the two tensioning cylinders are connected with a first electromagnetic on-off valve, a pressure regulating overflow valve, a one-way valve and a second electromagnetic on-off valve through air pipes, the two supports are respectively sleeved with a transmission chain wheel meshed with a lifting rack ring, the bottom ends of the two lifting rack rings are respectively meshed with a lifting chain wheel, a roller fixed on the two supports is sleeved between the two lifting chain wheels, and the roller is connected with a driving source for rolling the roller. The mechanism is provided with the two cylinders combined with the chain wheel which rotates in one direction, so that the stacking frame is subjected to constant tension, the stacking lifting frame is accurately lifted without adding a pressure compensation system, the mechanism is simple in structure, easy to manufacture and realize, low in manufacturing cost, easy to control and maintain and suitable for wide popularization.
Description
Technical Field
The invention relates to a stacking lifting mechanism on a mechanical automatic production line, in particular to a stacking lifting mechanism based on constant tension of an air cylinder.
Background
With the development of science and technology, the mechanized automatic production line has become the main production equipment of the existing industry, and the stacking lifting mechanism is an essential component of the production line and is generally positioned at the loading and unloading position at the front end or the rear end of the production line. Traditional elevating system that piles up adopts the weight that has certain weight to realize going up and down, and the weight is when the eminence down falls, piles up the frame and up draws, because the great inertia of weight is big, and the speed of consequently whereabouts is very fast, and is difficult to control, leads to causing harm such as great vibrations to equipment.
At present, the stacking lifting mechanism generally adopts motor-driven lifting or hydraulic (pneumatic) driving to realize lifting, and although the defects of the traditional heavy hammer are overcome by the two driving lifting modes, the following defects still exist: the motor is adopted for driving, because the ordinary asynchronous motor can be heated and burnt quickly when the intermittent motion is frequent (frequent starting and stopping), if a stepping motor, a servo motor and other program motors are adopted, the equipment cost is too high, and the maintenance cost is also high; adopt pneumatic cylinder or cylinder drive, when needing to pile up the frame and stop at an accurate position, because the leakage of solenoid valve, the pressure at pneumatic cylinder or cylinder both ends can not keep unanimous for a long time, therefore can't pile up the frame and can stop at same position at every turn, if increase pressure compensating system, the input cost increases and control inconvenient, the maintenance cost is high.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a stacking lifting mechanism based on constant pulling force of air cylinders, the mechanism is provided with two air cylinders combined with a ratchet mechanism which rotates in a single direction, so that a stacking lifting frame is subjected to constant pulling force, the stacking lifting frame is accurately lifted, a pressure compensation system is not required to be added, and the mechanism is simple in structure, easy to manufacture and realize, low in manufacturing cost, easy to control and maintain and suitable for wide popularization.
In order to achieve the purpose, the invention adopts the technical scheme that:
the stacking lifting mechanism based on the constant tension of the air cylinders comprises a frame, wherein the frame comprises two supports which are symmetrically arranged at the left and the right, a stacking lifting frame capable of moving up and down along the two supports is arranged between the two supports, a plurality of rotating shafts are symmetrically arranged at the top ends of the two supports, a tensioning chain wheel is sleeved on each rotating shaft, the tensioning chain wheel on the same support is meshed with a tensioning chain, one ends of the two tensioning chains are connected with the stacking lifting frame, the other ends of the two tensioning chains are respectively connected with a tensioning air cylinder, the two tensioning air cylinders are respectively connected with a first electromagnetic on-off valve through air pipes, the two tensioning air cylinders are also respectively connected with a pressure regulating overflow valve, a one-way valve and a second electromagnetic on-off valve through air pipes, a driving chain wheel is sleeved on each rotating shaft on the two supports, the two driving chain wheels are respectively meshed with a vertically arranged lifting rack ring, and the bottom ends of, the two lifting chain wheels are sleeved on a rolling shaft fixed on the two brackets, and the rolling shaft is connected with a driving source for rolling the rolling shaft.
As preferred technical scheme, for the convenient heavier crane that piles up of weight be convenient for along two supports oscilaltions, avoid piling up simultaneously and cause big vibrations for the frame when the crane descends to the bottom, be favorable to prolonging the life of frame, pile up four ends of crane and all be equipped with and follow two supports gyro wheels that roll from top to bottom.
As the preferred technical scheme, in order to guarantee that the two lifting rack rings can smoothly rotate in a tight manner, the two lifting rack rings are favorable for driving the tensioning chain wheels to synchronously rotate, and the precise stop position of the stacking lifting frame is realized, and the two brackets are provided with the fastening chain wheels between the transmission chain wheels and the lifting chain wheels.
As preferred technical scheme, in order to guarantee the steadiness of two supports, ensure to pile up the steady oscilaltion of crane, improve whole elevating system's that piles up security performance, all have the firm pole that the slope set up on two supports.
Compared with the prior art, the invention has the following beneficial effects:
1. the mechanism is provided with two cylinders combined with a ratchet mechanism capable of rotating in one direction, so that the stacking lifting frame is subjected to constant tension, accurate lifting of the stacking lifting frame is achieved, a pressure compensation system is not required to be added, the mechanism is simple in structure, easy to manufacture and achieve, low in manufacturing cost, easy to control and maintain and suitable for wide popularization.
2. Pile up the crane and set up the gyro wheel in four ends, make things convenient for the heavier crane that piles up of weight to be convenient for along two support oscilaltions, avoid piling up simultaneously and cause big vibrations for the frame when the crane descends to the bottom, be favorable to prolonging the life of frame.
3. Be equipped with the fastening sprocket on two supports, guarantee the steadiness of two supports, ensure to pile up the steady oscilaltion of crane, improve whole elevating system's that piles up security performance.
4. Be equipped with firm pole on two supports, guarantee the steadiness of two supports, ensure to pile up the steady oscilaltion of crane, improve whole elevating system's that piles up security performance.
Drawings
The invention is described in further detail below with reference to the figures and specific examples.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a connection view of air pipes of two tensioning cylinders;
reference numerals: 1. the device comprises a rack, 1-1 parts, a support, 1-2 parts, a stabilizing rod, 2 parts, a stacking lifting frame, 3 parts, a rotating shaft, 3-1 parts, a rotating shaft seat, 4 parts, a tensioning chain wheel, 5 parts, a tensioning chain, 6 parts, a tensioning cylinder, 7 parts, a first electromagnetic on-off valve, 8 parts, a pressure regulating overflow valve, 9 parts, a one-way valve, 10 parts, a second electromagnetic on-off valve, 11 parts, a transmission chain wheel, 12 parts, a lifting rack ring, 13 parts, a lifting chain wheel, 14 parts, a rolling shaft, 15 parts, a rolling wheel, 16 parts, a fastening chain wheel, 17 parts.
Detailed Description
As shown in figure 1, the invention provides a specific embodiment, a stacking lifting mechanism based on constant tension of an air cylinder, which comprises a frame 1, wherein the frame 1 comprises two brackets 1-1 which are symmetrically arranged at the left and right, the embodiment is provided with two brackets 1-1 which are both in a vertical folding frame shape, the bottom ends of the two brackets 1-1 are mutually connected, in order to improve the stability of the frame 1, the two brackets 1-1 are preferably integrally formed, a stacking lifting frame 2 which can move up and down along the two brackets 1-1 and is in a square shape is arranged between the two brackets 1-1, a plurality of rotating shafts 3 are symmetrically arranged at the top ends of the two brackets 1-1, the embodiment is provided with two rotating shaft seats 3-1 at the top ends of the two brackets 1-1, the rotating shafts 3 are sleeved at the two ends of the rotating shaft seats 3-1, one rotating shaft 3 is arranged at the end parts of the two brackets 1-1, and the other rotating shaft 3, the rotating shaft 3 is sleeved with a tensioning chain wheel 4, the tensioning chain wheel 4 and the rotating shaft 3 can synchronously rotate, the tensioning chain wheels 4 on the same support 1-1 are all meshed with a tensioning chain 5, one end of each tensioning chain 5 is connected with the stacking lifting frame 2, one end of each tensioning chain 5 is connected with the middle end of the stacking lifting frame 2, the other end of each tensioning chain 5 is connected with a tensioning cylinder 6, the end parts of the piston rods of the two tensioning cylinders 6 are connected with the end parts of the tensioning chains 5, the tensioning chains 5 can pull the piston rods to move back and forth, the stacking lifting frame 2 can be precisely lifted to any height, the two tensioning cylinders 6 are scientifically and reasonably selected according to the weight of the stacking lifting frame 2 after being fully stacked with articles, and the pull-back force of the two tensioning cylinders 6 is ensured to be larger than the gravity of the stacking lifting frame 2 after being fully stacked with articles, the two tensioning cylinders 6 are connected with a first electromagnetic on-off valve 7 through air pipes, the two tensioning cylinders 6 are also connected with a pressure regulating overflow valve 8, a one-way valve 9 and a second electromagnetic on-off valve 10 through air pipes respectively, as shown in fig. 2, in the embodiment, the second electromagnetic on-off valve 10 is arranged to be connected with an air supply system, the first electromagnetic on-off valve 7 is connected with an exhaust pipeline, a rotating shaft 3 on the two brackets 1-1 is sleeved with a transmission chain wheel 11, the two transmission chain wheels 11 are both meshed with a vertically arranged lifting rack ring 12, in the embodiment, the rotating shaft 3 at the end parts of the two brackets 1-1 is sleeved with the transmission chain wheel 11, the transmission chain wheel 11 rotates synchronously with the tensioning chain wheel 4 through the rotating shaft 3, the bottom ends of the two lifting rack rings 12 are both meshed with a lifting chain wheel 13, in the embodiment, the diameter of the lifting rack ring 12 is just equal to the height of the brackets 1-1, and the lifting chain wheel 13, the two lifting sprockets 13 are sleeved on a roller 14 fixed on the two supports 1-1, the two lifting sprockets 13 and the roller 14 rotate synchronously, the roller 14 is connected with a driving source 17 through a ratchet mechanism with one-way rotation, the driving source 17 is a cylinder in the embodiment, the driving source 17 can drive the roller 17 to rotate in one way intermittently as the ratchet mechanism can only rotate in one way, the lifting sprockets 13 drive the transmission sprockets 11 to rotate synchronously, and further the tensioning sprockets 4 rotate synchronously through the rotating shaft 3, the ratchet mechanism can only rotate clockwise in one way, when the driving source 17 drives the roller 14 to rotate clockwise, the lifting sprockets 13 drive the transmission sprockets 11 and the tensioning sprockets 4 to rotate clockwise, and further the tensioning chains 5 move downwards to realize the downward movement of the stacking lifting frame 2.
Four ends of the stacking lifting frame 2 are provided with idler wheels 15 capable of rolling up and down along the two supports 1-1, the weight of the stacking lifting frame 2 is heavier after the stacking lifting frame is fully stacked, the idler wheels 15 at the four ends effectively reduce the friction force between the stacking lifting frame 2 and the two supports 1-1, the stacking lifting frame 2 can conveniently lift up and down along the two supports 1-1, meanwhile, the phenomenon that the stacking lifting frame 2 is greatly vibrated for the rack 1 due to inertia when descending to the bottom end is avoided, and the service life of the rack 1 is prolonged.
On two supports 1-1, and be located and all be equipped with a fastening sprocket 16 between drive sprocket 11 and the lifting sprocket 13, consider the even atress of lifting rack ring 12, this embodiment sets up fastening sprocket 16 and is located the middle part of lifting rack ring 12, guarantees that two lifting rack rings 12 are tight can smoothly rotate, is favorable to driving tensioning sprocket 4 synchronous revolution, realizes piling up the accurate lift of crane 2.
The two supports 1-1 are respectively provided with a stabilizing rod 1-2 which is obliquely arranged, the stacking lifting frame 2 which is full of articles is considered to be heavy, and the two supports 1-1 are very easy to vibrate greatly during ascending and descending, in the embodiment, the stabilizing rod 1-2 which is obliquely arranged is arranged on the rear side of the two supports 1-1, so that the stability of the two supports 1-1 is ensured, the stable ascending and descending of the stacking lifting frame 2 is ensured, and the safety performance of the whole stacking lifting mechanism is improved.
When the invention is used: the second electromagnetic on-off valve 10 is opened to be connected with an air supply system, the first electromagnetic on-off valve 7 is closed, at the moment, air is fed into the cavities of the two tensioning cylinders 6 to enable the piston rods to be stressed and pulled back, but the tensioning chain wheels 4 rotating clockwise in a single direction tightly tension the piston rods through the tensioning chains 5, so that the tensioning cylinders 6 cannot be pulled back, and the stacking lifting frame 2 can be accurately stopped at a certain position; when waiting to pile up crane 2 and piling up article after need descend, driving source 17 drive roller 14 clockwise rolls, makes lifting sprocket 13 drive sprocket 11 also clockwise rotation, and then realizes taut sprocket 4 clockwise rotation through pivot 3, because the driving source 17's driving force plus the gravity of piling up crane 2 is greater than the pulling force of two taut cylinders 6, the piston rod of two taut cylinders 6 is pulled out by taut chain 5, then piles up crane 2 and toward descending. When the piston rods of the two tensioning cylinders 6 are pulled out, the air inlet cavities of the two tensioning cylinders 6 are compressed, compressed air cannot flow back into other air pipes due to the action of the check valve 9, so that the pressure in the cavities of the two tensioning cylinders 6 is increased, and when the pressure is greater than the set pressure of the pressure regulating overflow valve 8, the air in the cavities of the two tensioning cylinders 6 is quickly discharged through the pressure regulating overflow valve 8, so that the pressure in the cavities of the two tensioning cylinders 6 is kept in a set range. After one working cycle is finished, the first electromagnetic on-off valve 7 is closed, the electromagnetic on-off valve 2 is opened to release pressure of the two tensioning cylinders 6, and the stacking lifting frame 2 freely falls under the gravity of the stacking lifting frame.
It is to be understood that the foregoing detailed description and specific examples, while indicating preferred embodiments of the invention, are given by way of illustration only, since various changes in the principle, construction and construction of the invention will become apparent to those skilled in the art from this detailed description.
Claims (4)
1. Pile up elevating system based on invariable pulling force of cylinder, its characterized in that: including frame (1), frame (1) is equipped with between two supports (1-1) including left and right symmetry setting and piles up crane (2) that can follow it and reciprocate between two supports (1-1), and (1-1) top symmetry of two supports is equipped with a plurality of pivot (3), all overlap in pivot (3) and be equipped with a taut sprocket (4), and taut sprocket (4) that are located on same support (1-1) all are connected with a taut chain (5) meshing, and the one end of two taut chains (5) all is connected with piling up crane (2), and the other end of two taut chains (5) is connected with a taut cylinder (6) respectively, and two taut cylinders (6) all pass through trachea and first electromagnetism on-off valve (7), and two taut cylinders (6) still all pass through the trachea respectively with pressure regulating overflow valve (8), check valve (9), The second electromagnetic on-off valve (10) is connected, a rotating shaft (3) on the two supports (1-1) is sleeved with a transmission chain wheel (11), the two transmission chain wheels (11) are all meshed with a vertical lifting rack ring (12), the bottom ends of the two lifting rack rings (12) are all meshed with a lifting chain wheel (13), a rolling shaft (14) fixed on the two supports (1-1) is sleeved between the two lifting chain wheels (13), and the rolling shaft (14) is connected with a driving source (17) through a ratchet mechanism with one-way rotation.
2. The cylinder constant tension based stacking lifting mechanism of claim 1, wherein: four ends of the stacking lifting frame (2) are provided with idler wheels (15) capable of rolling up and down along the two supports (1-1).
3. The cylinder constant tension based stacking lifting mechanism of claim 2, wherein: a fastening chain wheel (16) is arranged on the two brackets (1-1) and between the transmission chain wheel (11) and the lifting chain wheel (13).
4. The stacking and lifting mechanism based on the cylinder constant tension force as claimed in any one of claims 1 to 3, wherein: the two brackets (1-1) are respectively provided with a stabilizing rod (1-2) which is obliquely arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810617608.7A CN110606444A (en) | 2018-06-15 | 2018-06-15 | Stacking lifting mechanism based on constant tensile force of air cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810617608.7A CN110606444A (en) | 2018-06-15 | 2018-06-15 | Stacking lifting mechanism based on constant tensile force of air cylinder |
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| Publication Number | Publication Date |
|---|---|
| CN110606444A true CN110606444A (en) | 2019-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810617608.7A Pending CN110606444A (en) | 2018-06-15 | 2018-06-15 | Stacking lifting mechanism based on constant tensile force of air cylinder |
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| CN (1) | CN110606444A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112571158A (en) * | 2020-12-09 | 2021-03-30 | 广汽乘用车有限公司 | Electrode grinding device and grinding method thereof |
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| KR20030017820A (en) * | 2001-08-23 | 2003-03-04 | 현대자동차주식회사 | Drop lifter system |
| CN201825566U (en) * | 2010-09-25 | 2011-05-11 | 史建新 | Automatic barreled water stacker |
| CN203697567U (en) * | 2014-02-17 | 2014-07-09 | 范大春 | Semiautomatic or full-automatic window patching machine lifting device |
| CN204297647U (en) * | 2014-11-07 | 2015-04-29 | 重庆日联科技有限公司 | Structure simple working plate Circularly liftable machine |
| CN105716823A (en) * | 2016-02-29 | 2016-06-29 | 湖北诃力机械设备有限公司 | Pneumatic cement bag drop test machine |
| CN208394694U (en) * | 2018-06-15 | 2019-01-18 | 广西钦州市昌源农业科技有限公司 | Stacking elevating mechanism based on cylinder constant force |
-
2018
- 2018-06-15 CN CN201810617608.7A patent/CN110606444A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030017820A (en) * | 2001-08-23 | 2003-03-04 | 현대자동차주식회사 | Drop lifter system |
| CN201825566U (en) * | 2010-09-25 | 2011-05-11 | 史建新 | Automatic barreled water stacker |
| CN203697567U (en) * | 2014-02-17 | 2014-07-09 | 范大春 | Semiautomatic or full-automatic window patching machine lifting device |
| CN204297647U (en) * | 2014-11-07 | 2015-04-29 | 重庆日联科技有限公司 | Structure simple working plate Circularly liftable machine |
| CN105716823A (en) * | 2016-02-29 | 2016-06-29 | 湖北诃力机械设备有限公司 | Pneumatic cement bag drop test machine |
| CN208394694U (en) * | 2018-06-15 | 2019-01-18 | 广西钦州市昌源农业科技有限公司 | Stacking elevating mechanism based on cylinder constant force |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112571158A (en) * | 2020-12-09 | 2021-03-30 | 广汽乘用车有限公司 | Electrode grinding device and grinding method thereof |
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Effective date of registration: 20240115 Address after: No. 7-1, Jiuyaping Second Team, Jiuya Village Committee, Jianshan Town, Qinnan District, Qinzhou City, Guangxi Zhuang Autonomous Region, 535300 Applicant after: Peng Rongchang Address before: Room 2301, 2nd Floor, Building 38.39, Hedong Apartment, Zicai East Street, Qinzhou City, Guangxi Zhuang Autonomous Region, 535000 Applicant before: GUANGXI QINZHOU CHANGYUAN AGRICULTURE TECHNOLOGY Co.,Ltd. |
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