CN101549841A - Synchronous lifting mechanism - Google Patents
Synchronous lifting mechanism Download PDFInfo
- Publication number
- CN101549841A CN101549841A CNA2009100266540A CN200910026654A CN101549841A CN 101549841 A CN101549841 A CN 101549841A CN A2009100266540 A CNA2009100266540 A CN A2009100266540A CN 200910026654 A CN200910026654 A CN 200910026654A CN 101549841 A CN101549841 A CN 101549841A
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- lever swing
- swing arm
- lifting mechanism
- cylinder
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Abstract
The invention relates to a synchronous lifting mechanism. A front cylinder lifting mechanism and a rear cylinder lifting mechanism which are separated from each other are designed into lever swing arm types; the hinged pivots of the front lever swing arm and the rear lever swing arm are connected by a long axis and are welded with the long axis into a whole body; the tail parts of the two cylinders are respectively connected with a frame by hinge supports; the front ends of the piston rods of the two cylinders are respectively connected with the identical ends of the front lever swing arm and the rear lever swing arm by the hinge supports; a front lifting cylinder and a rear lifting cylinder are controlled by an identical magnet valve and simultaneously opened and closed, the front lever swing arm and the rear lever swing arm are pushed to be synchronistically raised and lowered, and even if the frictional force generated by the sealing elements of the two cylinder is different from the frictional force of the mechanical structure of the front lever swing arm and the rear lever swing arm, the raising and the lowering of the front lever swing arm and the rear lever swing arm are always kept synchronous.
Description
Affiliated technical field
The present invention relates to a kind of lifting mechanism that transmits pipe and use on the plastic pipe pipe-expanding machine, especially it holds up the lifting mechanism of the rear and front end carriage energy absolute synchronization of pipe.
Background technology
At present, the known lifting mechanism that transmits pipe and use on the plastic pipe pipe-expanding machine is front and back carriage split manufacturing, in the bottom of front and back carriage a cylinder is housed respectively, controlling these two cylinder piston rods simultaneously with an electromagnetic valve rises and descends, and then plastic pipe rising and decline in the carriage holder before and after driving, but because two cylinders variant existence of resistance between the mechanical mechanism of the variant existence of resistance of piston seal and front and back carriage separately, cause plastic pipe in rising and decline process, exist asynchrony phenomenon, make pipe high back before transport process low or low early and high afterly be out-of-level state and put, the front and back height differs under the serious situation, also can cause the phenomenon that lifting mechanism is stuck or the pipe gravitate is glided to low one side by high one side, in order to address this problem, the possessor carries out pressure and flow independent adjustment to the air inlet pipe of two cylinders to the greatest extent, but produces little effect.The existence of this problem has caused plastic pipe can't accurately locate with the enlarging mould in the enlarging process, and reject rate increases after the enlarging, and enlarging efficient reduces.
Summary of the invention
Have the deficiency that the lifting mechanism on the plastic pipe pipe-expanding machine in use exists now in order to overcome, the invention provides a kind of synchronization lifting mechanism, this synchronization lifting mechanism with former and later two originally independently lifting mechanism through the transformation on the physical construction, manufacture on the position still independent and as a whole new construction on the structure, both sides absolute synchronization before and after in the lifting process, plastic pipe is transmitted in the enlarging process smoothly,, improved enlarging efficient with the accurate positioning of enlarging mould.
The technical solution adopted for the present invention to solve the technical problems is
With former and later two respectively independently the cylinder lifting mechanism change the lever swing arm type into by direct-push, and the wring abut of former and later two lever swing arms is tied with a major axis, the cylinder body afterbody of two cylinders changes rocker bar bearing into by original flange connection and connects, the piston rod front portion of two cylinders also changes rocker bar bearing into by original spiral marking connection and connects, omitted original last lower guide mechanism, the cylinder body afterbody of two cylinders connects with the frame hinge respectively, the piston rod front portion of two cylinders connects with an end hinge of lever swing arm respectively, generally, the piston thick stick of two cylinders is opened fully, an end that connects the lever swing arm of cylinder is in upper end position, an end that holds up the lever swing arm of pipe is in lower end position, during work, control former and later two lift cylinders simultaneously with an electromagnetic valve, the air inlet of two lift cylinder rod chambers, the piston thick stick is return, and the trustship end of lever swing arm rises; Otherwise, the air inlet of two lift cylinder rodless cavities, the piston thick stick is released, and the trustship end of lever swing arm descends; Because the wring abut of former and later two lever swing arms is bound up with a major axis, under any circumstance, the angle that two lever swing arms turn over is always on all four, so the lifting paces of the lifting mechanism of rear and front end are always synchronous.
The invention has the beneficial effects as follows
Simple in structure, easily manufactured, plastic pipe transmits in the enlarging process smoothly, with the accurate positioning of enlarging mould, has improved enlarging efficient.
Description of drawings,
The present invention will be further described below in conjunction with drawings and Examples.
Fig. 1 is three plan views of the present invention.
Fig. 2 is a block diagram of the present invention.
Among Fig. 1
1. frame; 2. preceding lever swing arm; 3. preceding lift cylinder; 4. major axis; 5. back lever swing arm; 6. lift cylinder after;
The specific embodiment
Among Fig. 1, major axis (4) two ends are supported on the frame (1) and can rotate freely by bearing seat, preceding lever swing arm (2) and back lever swing arm (5) are welded on major axis (4) rear and front end and major axis (4) constitutes an integral body, can not produce relative motion between them, can only on the supporting bearing base at frame (1) two ends, rotate synchronously, the piston rod front end of preceding lift cylinder (3) and back lift cylinder (6) is hinged with an end of preceding lever swing arm (2) and back lever swing arm (5) respectively, the cylinder body rear flange of preceding lift cylinder (3) and back lift cylinder (6) is hinged with the front and back end of frame (1) respectively, preceding lift cylinder (3) and back lift cylinder (6) are by same solenoid control, open and close simultaneously, lever swing arm (2) and back lever swing arm (5) are risen synchronously and are descended before promoting, even friction force is variant between the friction force that the sealing member of two cylinders produces and the physical construction of front and back lever swing arm, but the rising of preceding lever swing arm (2) and back lever swing arm (5) and decline are to keep synchronous all the time, because front and back lever swing arm has constituted an integral body by major axis (4).
Claims (2)
1. synchronization lifting mechanism, open and close rising and the decline that realizes synchronizer gear in the time of by former and later two lift cylinders, it is characterized in that: lifting mechanism is manufactured and is the lever swing arm type, and former and later two relatively independent lever swing arms connect as a whole by a major axis.
2. synchronization lifting mechanism according to claim 1, it is characterized in that: former and later two relatively independent lever swing arms are that fulcrum can only rotate identical angle synchronously with a major axis, and can not produce the motion of other direction or the relative motion between two lever swing arms, synchronous all the time rising and decline under the drive of former and later two lift cylinders. will not be subjected to the influence of two cylinder packing spare friction drag differences and produce nonsynchronous phenomenon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100266540A CN101549841A (en) | 2009-05-08 | 2009-05-08 | Synchronous lifting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100266540A CN101549841A (en) | 2009-05-08 | 2009-05-08 | Synchronous lifting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101549841A true CN101549841A (en) | 2009-10-07 |
Family
ID=41154375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2009100266540A Pending CN101549841A (en) | 2009-05-08 | 2009-05-08 | Synchronous lifting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101549841A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101985248A (en) * | 2010-07-30 | 2011-03-16 | 长沙楚天科技有限公司 | Swing lifting device arranged in soft bag manufacturing lower die |
| CN103273526A (en) * | 2013-05-31 | 2013-09-04 | 任福明 | Intermediate rib cutting machine |
| CN103373598A (en) * | 2012-04-28 | 2013-10-30 | 张家港市贝尔机械有限公司 | Novel plastic tubing material tumbling frame |
| CN104044265A (en) * | 2014-05-12 | 2014-09-17 | 张家港市贝尔机械有限公司 | Synchronous movement bracket of plastic pipe expanding machine |
| CN106671340A (en) * | 2017-02-23 | 2017-05-17 | 滁州市中诺设备模具制造有限公司 | Synchronous lifting device |
| CN108100942A (en) * | 2017-12-15 | 2018-06-01 | 长安大学 | A kind of amplitude-variable elevating travelling bogie |
| CN108555165A (en) * | 2018-01-31 | 2018-09-21 | 华南理工大学 | A kind of metal pipe material automatic spinning reducing device |
| CN110817394A (en) * | 2019-10-25 | 2020-02-21 | 海盐宝仕龙塑业股份有限公司 | Discharging device for PVC plate production line |
-
2009
- 2009-05-08 CN CNA2009100266540A patent/CN101549841A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101985248A (en) * | 2010-07-30 | 2011-03-16 | 长沙楚天科技有限公司 | Swing lifting device arranged in soft bag manufacturing lower die |
| CN103373598A (en) * | 2012-04-28 | 2013-10-30 | 张家港市贝尔机械有限公司 | Novel plastic tubing material tumbling frame |
| CN103273526A (en) * | 2013-05-31 | 2013-09-04 | 任福明 | Intermediate rib cutting machine |
| CN104044265A (en) * | 2014-05-12 | 2014-09-17 | 张家港市贝尔机械有限公司 | Synchronous movement bracket of plastic pipe expanding machine |
| CN106671340A (en) * | 2017-02-23 | 2017-05-17 | 滁州市中诺设备模具制造有限公司 | Synchronous lifting device |
| CN106671340B (en) * | 2017-02-23 | 2023-07-07 | 滁州市中诺设备模具制造有限公司 | Synchronous lifting device |
| CN108100942A (en) * | 2017-12-15 | 2018-06-01 | 长安大学 | A kind of amplitude-variable elevating travelling bogie |
| CN108555165A (en) * | 2018-01-31 | 2018-09-21 | 华南理工大学 | A kind of metal pipe material automatic spinning reducing device |
| CN108555165B (en) * | 2018-01-31 | 2024-01-26 | 华南理工大学 | Automatic spinning necking device for metal pipe |
| CN110817394A (en) * | 2019-10-25 | 2020-02-21 | 海盐宝仕龙塑业股份有限公司 | Discharging device for PVC plate production line |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20091007 |