CN205331099U - Platform hydraulic pressure removal buffering controlling means stereotypes in tubular product vacuum - Google Patents
Platform hydraulic pressure removal buffering controlling means stereotypes in tubular product vacuum Download PDFInfo
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- CN205331099U CN205331099U CN201521134138.7U CN201521134138U CN205331099U CN 205331099 U CN205331099 U CN 205331099U CN 201521134138 U CN201521134138 U CN 201521134138U CN 205331099 U CN205331099 U CN 205331099U
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Abstract
The utility model relates to a platform hydraulic pressure removal buffering controlling means stereotypes in tubular product vacuum, include: the return circuit is supplied with to hydraulic oil: including hydraulic pump, main fuel tank and check valve, main fuel tank, hydraulic pump and pneumatic cylinder connect gradually, the check valve setting in the export pipeline of hydraulic pump department, hydraulic oil pressure holding circuit: including overflow subassembly, energy storage component and overflow control subassembly, overflow subassembly, energy storage component and overflow control subassembly be connected with the export pipeline of hydraulic pump respectively, hydraulic oil buffering return circuit: the setting is between the export pipeline of pneumatic cylinder and hydraulic pump, pneumatic cylinder stroke control assembly: including controller, lug and travel switch, the lug setting on the piston rod of pneumatic cylinder, the controller respectively with travel switch, check valve, hydraulic oil buffering loop connection. Compared with the prior art, the utility model has the advantages of compact structure, high transmission efficiency, noise are low, high, the no shock and vibration of moving accuracy, long service life.
Description
Technical field
This utility model relates to the control field of tubing Vacuum shaping platform, especially relates to a kind of tubing Vacuum shaping platform hydraulic moving buffering control device。
Background technology
At present, the mobile device of existing tubing Vacuum shaping platform is made up of motor, planet-cycloid reducer, Hooks coupling universal coupling, screw mandrel, nut on the market。
This mobile device, it is adjusted rotating speed by motor by planet-cycloid reducer, planet-cycloid reducer is connected with screw mandrel by Hooks coupling universal coupling, and travelling nut is fixed on tubing Vacuum shaping platform, and screw mandrel and travelling nut relatively rotate the purpose reaching to drive tubing Vacuum shaping platform to move。Screw rod transmission structure is simple, handling ease, cost driving force low, axial big, can self-locking, positioning precision high。Shortcoming is it is also obvious that frictional resistance moment is big, transmission efficiency low (30%～40%), caloric value is greatly easily worn and torn, mounting structure is big, speed is low, service life is short。And screw rod transmission needs motor to provide power, and larger in size, noise is bigger。When the weight of tubing Vacuum shaping platform is big, screw mandrel drives it to move can become difficulty, and economy is deteriorated。
Utility model content
Defect that the purpose of this utility model is contemplated to overcome above-mentioned prior art to exist and provide that a kind of compact conformation, transmission efficiency are high, noise is low, mobile accuracy is high, without the tubing Vacuum shaping platform hydraulic moving buffering control device of impact shock, long service life。
The purpose of this utility model can be achieved through the following technical solutions:
A kind of tubing Vacuum shaping platform hydraulic moving buffering control device, in order to control the oil pressure of hydraulic cylinder to realize the movement of tubing Vacuum shaping platform, this device includes:
Hydraulic oil supply circuit: include hydraulic pump, main fuel tank and check valve, described main fuel tank, hydraulic pump and hydraulic cylinder are sequentially connected with, and described check valve is arranged on the outlet conduit place of hydraulic pump；
Hydraulic oil pressure dwelling loop: include overflow assemblies, energy storage component and overflow control assembly, in order to keep stablizing of oil pressure in hydraulic oil supply circuit, described overflow assemblies, energy storage component and overflow control assembly and are connected with the outlet conduit of hydraulic pump respectively；
Hydraulic oil buffer loop: be arranged between hydraulic cylinder and the outlet conduit of hydraulic pump, in order to the buffering oil pressure when tubing Vacuum shaping platform jerk or commutation, reduces oil shock and vibration；
Hydraulic cylinder travel controls assembly: include controller, projection and travel switch, the motion of hydraulic cylinder is controlled by regulating the break-make of check valve and hydraulic oil buffer loop, described projection is arranged on the piston rod of hydraulic cylinder, and described controller is connected with travel switch, check valve, hydraulic oil buffer loop respectively。
Described overflow assemblies includes overflow fuel tank and overflow valve, and described overflow fuel tank is connected on hydraulic pump and the direct pipeline of check valve by overflow valve。
Described overflow controls assembly and includes the gas-liquid accumulator described in gas-liquid accumulator, two position three-way valve and two position two-way valve and be connected between check valve and hydraulic oil buffer loop, and described gas-liquid accumulator, two position three-way valve, two position two-way valve and overflow valve are sequentially connected with by control oil pipeline。
Described energy storage component is connected between check valve and hydraulic oil buffer loop。
Described hydraulic oil buffer loop includes three position four-way directional control valve and two throttling buffering sub-loops in parallel, described three position four-way directional control valve and hydraulic pump outlet pipeline communication, and is connected with hydraulic cylinder by throttling buffering sub-loop。
Described throttling buffering sub-loop is provided with one-way throttle valve and the electromagnetic valve of setting parallel with one another。
Described projection and travel switch are correspondingly arranged, and in order to limit the moving range of tubing Vacuum shaping platform, described controller is connected with electromagnetic valve。
Compared with prior art, this utility model has the advantage that
One, compact conformation: this hydraulic moving buffering control device is only made up of hydraulic cylinder, fuel tank and control element。Comparing existing motor lead screw, volume is little, rational in infrastructure compact。
Two, transmission efficiency is high: the transmission efficiency of screw mandrel is low, and about 30%～40%, and hydraulicdriven efficiency is generally 80%～85%, can save energy, reduces cost。
Three, noise is low: screw mandrel, because having motor and screw mandrel and the reason of nut friction, can cause bigger noise, and this utility model is reduced because tubing Vacuum shaping platform turns to or jerk by pressure dwelling loop and buffer loop, causes vibrations and noise that oil pressure shakiness produces。
Four, mobile accuracy is high, without impact shock: the buffer loop of hydraulic moving buffer unit, makes hydraulic cylinder will not produce shock and vibration when stopping or break-in suddenly, it is ensured that mobile accuracy。
Five, long service life: ensure hydraulic cylinder safety without impact shock, also without bigger friction in work, and reasonably assembling ensure that the service life that hydraulic moving buffer unit is longer。
Accompanying drawing explanation
Fig. 1 is structure principle chart of the present utility model。
Wherein: 1, hydraulic pump, 2, overflow fuel tank, 3, two position two-way valve, 4, two position three-way valve, 5, overflow valve, 6, check valve, 7, gas-liquid accumulator, the 8, first accumulator, the 9, second accumulator, 10, three position four-way directional control valve, 11, electromagnetic valve, 12, one-way throttle valve, 13, travel switch, 14, projection, 15, hydraulic cylinder。
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, this utility model is described in detail。
Embodiment:
As it is shown in figure 1, a kind of tubing Vacuum shaping platform hydraulic moving buffering control device, in order to control the oil pressure of hydraulic cylinder 15 to realize the movement of tubing Vacuum shaping platform, this device includes:
Hydraulic oil supply circuit: include hydraulic pump 1, main fuel tank and check valve 6, is pumped from main fuel tank by hydraulic pump 1 and provides hydraulic oil by hydraulic oil buffer loop to hydraulic cylinder 15, and check valve 6 is in order to control the break-make of hydraulic pump 1 outlet conduit；
Hydraulic oil pressure dwelling loop: include overflow assemblies, energy storage component and overflow control assembly, in order to keep stablizing of oil pressure in hydraulic oil supply circuit；
Hydraulic oil buffer loop: in order to the buffering oil pressure when tubing Vacuum shaping platform jerk or commutation, reduce oil shock and vibration；
Hydraulic cylinder travel controls assembly: include controller, projection 14 and travel switch 13, controls the motion of hydraulic cylinder 15 by regulating the break-make of check valve 6 and hydraulic oil buffer loop。
Overflow assemblies includes overflow fuel tank 2 and overflow valve 5, and overflow fuel tank 2 is connected on hydraulic pump 1 and the direct pipeline of check valve 6 by overflow valve 5。
Overflow control assembly includes gas-liquid accumulator 7, two position three-way valve 4 and two position two-way valve 3 gas-liquid accumulator 7 and is connected between check valve 6 and hydraulic oil buffer loop, and gas-liquid accumulator 7, two position three-way valve 4, two position two-way valve 3 and overflow valve 5 are sequentially connected with by controlling oil pipeline。
Energy storage component is connected between check valve 6 and hydraulic oil buffer loop, including the first accumulator 8 and the second accumulator 9。
Hydraulic oil buffer loop includes three position four-way directional control valve 10 and two throttling buffering sub-loops in parallel, and three position four-way directional control valve 10 connects with hydraulic pump 1 outlet conduit, and is connected with hydraulic cylinder 15 by throttling buffering sub-loop。
Throttling buffering sub-loop includes one-way throttle valve 12 and the electromagnetic valve 11 of setting parallel with one another。
Projection 14 and travel switch 13 are correspondingly arranged, and in order to limit the moving range of tubing Vacuum shaping platform, controller is connected with travel switch 13, check valve 6 and electromagnetic valve 11 respectively。
Jerk or commutation can be cushioned by this utility model, reduce shock and vibration, it is ensured that mobile accuracy。
This device is divided into pressure dwelling loop, buffer loop two parts, and hydraulic pump 1 output services fluid enters hydraulic system, and overflow valve 5 controls the maximum pressure of hydraulic pump 1, and the first accumulator 8 and the second accumulator 9 compensate leakage during hydraulic pump 1 off-load, keeps system pressure。When system pressure drops to certain value, hydraulic pump 1 is under the effect of unloader, again through check valve 6 to system fuel feeding；Gas-liquid accumulator 7 can reduce unloader dynamic loading, reduces system pressure fluctuation。
When hydraulic oil starts to drive hydraulic cylinder 15 piston rod to move, piston rod moves to the left or to the right；Having projection 14 on piston rod, when encountering travel switch 13, electromagnetic valve 11 power-off, one-way throttle valve 12 starts throttling, and flow reduces, and piston rod moves and slows down, it is achieved the cushioning effect in loop。The position that can cushion as requested, adjusts the position of travel switch 13。
Claims (7)
1. a tubing Vacuum shaping platform hydraulic moving buffering control device, in order to control the oil pressure of hydraulic cylinder (15) to realize the movement of tubing Vacuum shaping platform, it is characterised in that this device includes:
Hydraulic oil supply circuit: include hydraulic pump (1), main fuel tank and check valve (6), described main fuel tank, hydraulic pump (1) and hydraulic cylinder (15) are sequentially connected with, and described check valve (6) is arranged on the outlet conduit place of hydraulic pump (1)；
Hydraulic oil pressure dwelling loop: include overflow assemblies, energy storage component and overflow control assembly, described overflow assemblies, energy storage component and overflow control assembly and are connected with the outlet conduit of hydraulic pump (1) respectively；
Hydraulic oil buffer loop: be arranged between the outlet conduit of hydraulic cylinder (15) and hydraulic pump (1)；
Hydraulic cylinder travel controls assembly: include controller, projection (14) and travel switch (13), described projection (14) is arranged on the piston rod of hydraulic cylinder (15), and described controller is connected with travel switch (13), check valve (6), hydraulic oil buffer loop respectively。
2. a kind of tubing Vacuum shaping platform hydraulic moving buffering control device according to claim 1, it is characterized in that, described overflow assemblies includes overflow fuel tank (2) and overflow valve (5), and described overflow fuel tank (2) is connected on the pipeline between hydraulic pump (1) and check valve (6) by overflow valve (5)。
3. a kind of tubing Vacuum shaping platform hydraulic moving buffering control device according to claim 2, it is characterized in that, described overflow controls assembly and includes the gas-liquid accumulator (7) described in gas-liquid accumulator (7), two position three-way valve (4) and two position two-way valve (3) and be connected between check valve (6) and hydraulic oil buffer loop, and described gas-liquid accumulator (7), two position three-way valve (4), two position two-way valve (3) and overflow valve (5) are sequentially connected with by control oil pipeline。
4. a kind of tubing Vacuum shaping platform hydraulic moving buffering control device according to claim 1, it is characterised in that described energy storage component is connected between check valve (6) and hydraulic oil buffer loop。
5. a kind of tubing Vacuum shaping platform hydraulic moving buffering control device according to claim 1, it is characterized in that, described hydraulic oil buffer loop includes three position four-way directional control valve (10) and two throttling buffering sub-loops in parallel, described three position four-way directional control valve (10) connects with hydraulic pump (1) outlet conduit, and is connected with hydraulic cylinder (15) by throttling buffering sub-loop。
6. a kind of tubing Vacuum shaping platform hydraulic moving buffering control device according to claim 5, it is characterised in that described throttling buffering sub-loop is provided with one-way throttle valve (12) and the electromagnetic valve (11) of setting parallel with one another。
7. a kind of tubing Vacuum shaping platform hydraulic moving buffering control device according to claim 6, it is characterized in that, described projection (14) and travel switch (13) are correspondingly arranged, in order to limit the moving range of tubing Vacuum shaping platform, described controller is connected with electromagnetic valve (11)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521134138.7U CN205331099U (en) | 2015-12-30 | 2015-12-30 | Platform hydraulic pressure removal buffering controlling means stereotypes in tubular product vacuum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521134138.7U CN205331099U (en) | 2015-12-30 | 2015-12-30 | Platform hydraulic pressure removal buffering controlling means stereotypes in tubular product vacuum |
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| Publication Number | Publication Date |
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| CN205331099U true CN205331099U (en) | 2016-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201521134138.7U Active CN205331099U (en) | 2015-12-30 | 2015-12-30 | Platform hydraulic pressure removal buffering controlling means stereotypes in tubular product vacuum |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108591147A (en) * | 2018-04-09 | 2018-09-28 | 广西柳工机械股份有限公司 | Quarry tipper constant pressure determines variable delivery hydraulic system |
| CN109854552A (en) * | 2018-12-29 | 2019-06-07 | 成都华科阀门制造有限公司 | A kind of fast actuator and its control method at a slow speed based on vacuum pump application |
| CN113586552A (en) * | 2020-04-30 | 2021-11-02 | 河南森源重工有限公司 | Hydraulic cylinder buffer control method and device |
-
2015
- 2015-12-30 CN CN201521134138.7U patent/CN205331099U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108591147A (en) * | 2018-04-09 | 2018-09-28 | 广西柳工机械股份有限公司 | Quarry tipper constant pressure determines variable delivery hydraulic system |
| CN109854552A (en) * | 2018-12-29 | 2019-06-07 | 成都华科阀门制造有限公司 | A kind of fast actuator and its control method at a slow speed based on vacuum pump application |
| CN109854552B (en) * | 2018-12-29 | 2020-10-09 | 成都华科阀门制造有限公司 | Fast and slow speed actuator based on vacuum pump application and control method thereof |
| CN113586552A (en) * | 2020-04-30 | 2021-11-02 | 河南森源重工有限公司 | Hydraulic cylinder buffer control method and device |
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