CN209856298U - Closed-loop oil circuit automatic cooling system for buffer cylinder - Google Patents
Closed-loop oil circuit automatic cooling system for buffer cylinder Download PDFInfo
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- CN209856298U CN209856298U CN201920266811.4U CN201920266811U CN209856298U CN 209856298 U CN209856298 U CN 209856298U CN 201920266811 U CN201920266811 U CN 201920266811U CN 209856298 U CN209856298 U CN 209856298U
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Abstract
The utility model discloses a closed loop oil circuit automatic cooling system for buffering cylinder body, including the cylinder body, seted up the heat-absorbing pipe via hole at the cylinder body top, be provided with the heat-absorbing pipe on this heat-absorbing pipe via hole, this heat-absorbing pipe stretches into the cylinder body cavity and surrounds along the body cavity from the heat-absorbing pipe via hole, stretches out from the heat-absorbing pipe via hole, the stretch-in end of heat-absorbing pipe is connected with the water tank delivery port, the stretch-out end of heat-absorbing pipe is connected with the water tank water inlet through check valve, water pump M1; an oil outlet and an oil inlet are formed in the cylinder body, the oil outlet is connected with an oil inlet of the filter through an oil outlet pipe, and an oil outlet of the filter is connected with an oil inlet of the cylinder body through an oil inlet pipe and an oil pump M2; a first electromagnetic valve K1 is arranged on the oil discharge pipe; and a second electromagnetic valve K2 is arranged on the oil inlet pipe. Has the advantages that: and a water pump is adopted to supply water for cooling, and oil in the oil cylinder is cleaned in time.
Description
Technical Field
The utility model belongs to the technical field of the buffer cylinder technique and specifically relates to a closed loop oil circuit automatic cooling system for buffering cylinder body.
Background
For the buffer oil cylinder, the oil temperature in the oil cylinder is continuously increased due to continuous friction and extrusion. In the prior art, high-temperature oil in a cylinder body naturally dissipates heat at normal temperature. In south China, even in winter, the oil temperature in the oil cylinder can reach more than 60 ℃, so that the sealing rings in the air cushion cylinder are accelerated to age, and the air cushion cylinder vibrates all the year round, so that the sealing rings are easy to damage or break, the sealing performance of a connecting pipeline and a valve body assembly is damaged, and oil leakage accidents are caused, and are particularly dangerous. And the occurrence of parts cracking, wrinkling and the like is strange.
Because the sealing effect is poor, the pipeline leakage leads to serious pressure loss in the pipeline, the throttling and speed regulating are unstable, the clamping stagnation fault is easy to occur, and the oil way flow velocity detection result is distorted. The uninterrupted shutdown influences production, prolongs product production cycle, and needs to be shut down comprehensively to replace the sealing ring after leakage occurs, so that the overhaul time is long, and the equipment cost is high.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a closed loop oil circuit automatic cooling system for buffering cylinder body adopts the water pump to supply water and cools down to oil in the hydro-cylinder in time clears up.
In order to achieve the above purpose, the utility model adopts the following specific technical scheme:
the utility model provides a closed loop oil circuit automatic cooling system for buffering cylinder body which key technology lies in: the water tank comprises a cylinder body, wherein a heat absorption pipe through hole is formed in the top of the cylinder body, a heat absorption pipe is arranged on the heat absorption pipe through hole, the heat absorption pipe extends into a body cavity of the cylinder body from the heat absorption pipe through hole and surrounds the body cavity, the heat absorption pipe extends out from the heat absorption pipe through hole, the extending end of the heat absorption pipe is connected with a water outlet of the water tank, and the extending end of the heat absorption pipe is connected with a water inlet of the water tank through a one-way valve and a water pump M1;
an oil outlet and an oil inlet are formed in the cylinder body, the oil outlet is connected with an oil inlet of the filter through an oil outlet pipe, and an oil outlet of the filter is connected with an oil inlet of the cylinder body through an oil inlet pipe and an oil pump M2;
a first electromagnetic valve K1 is arranged on the oil discharge pipe;
and a second electromagnetic valve K2 is arranged on the oil inlet pipe.
Through the design, the heat absorption pipe through holes are formed in the cylinder body, the heat absorption pipes penetrate into and penetrate out of the heat absorption pipe through holes, circulating cold water is continuously fed into the heat absorption pipes, the temperature of cylinder oil in the cylinder body is reduced, and the number of the open holes of the cylinder body is small. And an oil outlet and an oil inlet are arranged on the cylinder body, and the oil in the oil cylinder is treated by combining a filter. The quality of oil in the cylinder body is guaranteed, and the operation effect of the air cushion cylinder is improved.
The further technical scheme is as follows: the filter includes dirty oil pocket and clean oil chamber, separates through the filter core between this dirty oil pocket and the clean oil chamber be provided with anti-scavenge port on the lateral wall that dirty oil chamber corresponds, be connected with anti-pipe that cleans on this anti-scavenge port, should anti-pipe that cleans through cleaning water pump M3 with clean the oil tank and be connected anti-clean and be provided with third solenoid valve K3 on the pipe.
By adopting the scheme, the filter is provided with the anti-cleaning port in the dirty oil cavity, and the filter element of the filter is cleaned after oil in the cleaning oil tank is reversely input through the cleaning water pump M3, so that the service life of the filter is prolonged.
Still further, the heat absorbing pipe is a metal hose. By adopting the metal hose, the anti-aging performance is good under the hot oil environment. And the flexible pipeline is adopted, so that the pipeline can be sent into and surrounded in the cavity at will, and the heat absorption area of the heat absorption pipe is increased. And the cylinder body is arranged to enter and exit through the same hole, so that the change of the cylinder body is small.
The first electromagnetic valve K1 and the second electromagnetic valve K2 are powered by the same power supply line, and a first normally open switch KM3-1 of a third relay and a fourth normally closed switch KM4-3 of a fourth relay are sequentially arranged on the power supply line;
the third relay coil KM3 is connected with the output end of a system starting button SA0 through a first normally open switch KM2-1 of the second relay;
the second relay coil KM2 is connected with the output end of the system starting button SA0 through a fifth normally closed switch KM4-5 of a fourth relay and an oil pump starting button SA2, and a third normally open switch KM2-3 of a second relay is connected in parallel at two ends of the oil pump starting button SA 2;
a second normally open switch KM2-2 of the second relay is arranged on a power supply line of the oil pump;
the fourth relay coil KM4 is connected with the output end of the system starting button SA0 through a cleaning pump M3 starting button SA3, and a first normally open switch KM4-1 of a fourth relay is connected with two ends of a cleaning pump M3 starting button SA 3;
a power supply line of the third electromagnetic valve K3 is connected with the output end of the system starting button SA0, and a second normally open switch KM4-2 of a fourth relay is arranged on the power supply line of the third electromagnetic valve K3;
and a fourth normally open switch KM4-4 of the fourth relay is arranged on a power supply line of the scavenging pump M3.
Through the design, after the system starting button SA0 is pressed, the system is powered on. When an oil pump starting button SA2 is pressed, a second relay coil KM2 is electrified, and a third normally open switch KM2-3 of a second relay is closed and self-locked. And a second normally open switch KM2-2 of the second relay is closed, and the oil pump is electrified to start. And the first normally open switch KM2-1 of the second relay is closed, after the coil KM3 of the third relay is electrified, the first normally open switch KM3-1 of the third relay is closed, and the first electromagnetic valve K1 and the second electromagnetic valve K2 are electrified and conducted. The oil in the oil discharge pipe and the oil inlet pipe flows under the drive of the oil pump.
A time relay coil KT is connected in parallel at two ends of the third electromagnetic valve K3, a first normally closed switch of the time relay is connected in series with a power supply line of the third electromagnetic valve K3, a second normally open switch of the time relay is connected in series with a power supply line of a fourth electromagnetic valve K4, the fourth electromagnetic valve K4 is arranged on a sewage discharge pipeline, and the sewage discharge pipeline is communicated with a reverse cleaning port;
the third normally closed switch of the time relay is also connected in series on the power supply line of the scavenging pump M3.
Through above-mentioned design, through setting up time relay, control scavenging time, when the time reachs, control scavenging pump M3 stop working, third solenoid valve K3 closes to control fourth solenoid valve K4 and open, the greasy dirt of sweeping is discharged from sewage pipes. In order to stop sewage discharge, a fourth normally closed switch of a second relay is connected to a power supply line of the fourth electromagnetic valve K4, and when the second relay coil KM2 is energized, that is, when the oil pump is started, the fourth electromagnetic valve K4 is closed.
Still further technical scheme is that a first normally open switch KM1-1 of a first electromagnetic valve is arranged on a power supply line of the water pump M1, the first electromagnetic valve coil KM1 is connected with the output end of the system starting button SA0 through a water pump starting button SA1, and two ends of the water pump starting button SA1 are connected in parallel with a second normally open switch KM1-2 of the first electromagnetic valve.
Through the control circuit and the main circuit, after the water pump starting button SA1 is pressed, the first electromagnetic valve coil KM1 is electrified, and the second normally open switch KM1-2 of the first electromagnetic valve is closed and self-locked. The first normally open switch KM1-1 of the first electromagnetic valve is closed, and the water pump M1 is electrified and started.
Still further technical solution is that a start indicator lamp L1 is connected in series with the output end of the system start button SA 0; the input end of the system starting button SA0 is connected with an alternating current power supply through a fuse;
and a water pump power supply circuit, an oil pump power supply circuit and a scavenging pump M3 power supply circuit are connected between the system starting button SA0 and the fuse FU 1.
The system start is displayed by setting an indicator lamp L1.
The utility model has the advantages that: through in the oil cylinder closed loop oil circuit, set up the cooling water route, cool down through the oil of circulating water in to the oil cylinder, need not other heat sink, directly pass through heat-conduction with the heat in the oil cylinder, convey to outdoor for oil temperature conduction.
The adoption sets up the filter and constantly filters the cleanness to the sump oil in the hydro-cylinder, filters the iron that the buffering extrusion produced and cuts, purifies the oil in the hydro-cylinder, and after filter core was contaminated, can utilize anti-scavenge mouth to pour into clean oil into fast, cleans the filter core, and after the cleanness, the oil of pouring into still can discharge naturally through anti-scavenge mouth. The service life of the whole system is long, the system is anti-aging and is not easy to leak.
Drawings
FIG. 1 is a schematic diagram of the system connection of the present invention;
fig. 2 is an electrical schematic diagram of the present invention.
Detailed Description
The following provides a more detailed description of the embodiments and the operation of the present invention with reference to the accompanying drawings.
As can be seen from fig. 1, the closed-loop oil circuit automatic cooling system for the buffer cylinder comprises a cylinder body 1, wherein a heat absorption pipe through hole 2 is formed in the top of the cylinder body 1, a heat absorption pipe 3 is arranged on the heat absorption pipe through hole 2, the heat absorption pipe 3 extends into a body cavity of the cylinder body 1 from the heat absorption pipe through hole 2 and surrounds the body cavity, and then extends out of the heat absorption pipe through hole 2, the extending end of the heat absorption pipe 3 is connected with a water outlet of a water tank 4, and the extending end of the heat absorption pipe 3 is connected with a water inlet of the water tank 4 through a one-way valve and a water pump M15;
an oil discharge port a and an oil inlet b are formed in the cylinder body 1, the oil discharge port a is connected with an oil inlet d of the filter 6 through an oil discharge pipe, and an oil outlet c of the filter 6 is connected with the oil inlet b of the cylinder body 1 through an oil inlet pipe and an oil pump M2;
a first electromagnetic valve K1 is arranged on the oil discharge pipe 1 a;
the oil inlet pipe 1b is provided with a second electromagnetic valve K2.
As can also be seen from fig. 1, the filter 6 includes a dirty oil chamber and an oil purifying chamber, the dirty oil chamber and the oil purifying chamber are separated by a filter element, an anti-cleaning opening is provided on a side wall corresponding to the dirty oil chamber, an anti-cleaning pipe is connected to the anti-cleaning opening, the anti-cleaning pipe is connected to the cleaning oil tank a by a cleaning water pump M37, and a third electromagnetic valve K3 is provided on the anti-cleaning pipe.
In this embodiment, the heat absorbing pipe 3 is a metal hose.
As can also be seen from fig. 1, a fourth solenoid valve K4 is provided on the sewage line, which communicates with the anti-scavenge port.
As can be seen from fig. 1 and 2, the first solenoid valve K1 and the second solenoid valve K2 are powered by the same power supply line, and a first normally open switch KM3-1 of a third relay and a fourth normally closed switch KM4-3 of a fourth relay are sequentially arranged on the power supply line;
the third relay coil KM3 is connected with the output end of a system starting button SA0 through a first normally open switch KM2-1 of the second relay;
the second relay coil KM2 is connected with the output end of the system starting button SA0 through a fifth normally closed switch KM4-5 of a fourth relay and an oil pump starting button SA2, and a third normally open switch KM2-3 of a second relay is connected in parallel at two ends of the oil pump starting button SA 2;
a second normally open switch KM2-2 of the second relay is arranged on a power supply line of the oil pump;
the fourth relay coil KM4 is connected with the output end of the system starting button SA0 through a cleaning pump M3 starting button SA3, and a first normally open switch KM4-1 of a fourth relay is connected with two ends of a cleaning pump M3 starting button SA 3;
a power supply line of the third electromagnetic valve K3 is connected with the output end of the system starting button SA0, and a second normally open switch KM4-2 of a fourth relay is arranged on the power supply line of the third electromagnetic valve K3;
and a fourth normally open switch KM4-4 of the fourth relay is arranged on a power supply line of the scavenging pump M3.
As can be seen from fig. 1 and 2, a time relay coil KT is connected in parallel to both ends of the third solenoid valve K3, a first normally closed switch of the time relay is connected in series to a power supply line of the third solenoid valve K3, a second normally open switch of the time relay is connected in series to a power supply line of a fourth solenoid valve K4, and the fourth solenoid valve K4 is arranged on a sewage drain which is communicated with a reverse cleaning port; the third normally closed switch of the time relay is also connected in series on the power supply line of the scavenging pump M3.
In an embodiment, the delay time of the time relay is 1 minute.
As can be seen from fig. 1 and 2, a first normally open switch KM1-1 of a first electromagnetic valve is arranged on a power supply line of the water pump M15, the first electromagnetic valve coil KM1 is connected with an output end of the system starting button SA0 through a water pump starting button SA1, and two ends of the water pump starting button SA1 are connected in parallel with a second normally open switch KM1-2 of the first electromagnetic valve.
As can be seen from fig. 1 and 2, a start indicator lamp L1 is connected in series with the output end of the system start button SA 0; the input end of the system starting button SA0 is connected with an alternating current power supply through a fuse; and a water pump power supply circuit, an oil pump power supply circuit and a scavenging pump M3 power supply circuit are connected between the system starting button SA0 and the fuse FU 1.
As can be seen from fig. 2, thermal relays are provided on the power supply lines of the water pump M15, the oil pump, and the purge pump M3.
In the implementation process, the flow of the pipeline can be adaptively adjusted by combining the capacity of the cylinder body, and the flow rates of the internal fluids of the water pump M15, the oil pump and the scavenging pump M3 are changed.
The utility model discloses a theory of operation:
a system button SA0 is started, and an indicator lamp L1 is lightened;
(1) the working principle of cooling circulating water is as follows:
when a water pump starting button SA1 is pressed, a first solenoid valve coil KM1 is electrified, and a second normally open switch KM1-2 of the first solenoid valve is closed and self-locked. The first normally open switch KM1-1 of the first electromagnetic valve is closed, and the water pump M15 is electrified and started.
When the water pump start button SA1 is pressed again, the first solenoid coil KM1 is de-energized, the water pump M15 is stopped, and the water in the heat absorption tube 3 stops circulating.
(2) The working principle of oil filtration is as follows:
after the oil pump starting button SA2 is pressed, the coil KM2 of the second relay is electrified and self-locked, and the third normally open switch KM2-3 of the second relay is closed and self-locked. And a second normally open switch KM2-2 of the second relay is closed, and the oil pump is electrified to start. And the first normally open switch KM2-1 of the second relay is closed, after the coil KM3 of the third relay is electrified, the first normally open switch KM3-1 of the third relay is closed, and the first electromagnetic valve K1 and the second electromagnetic valve K2 are electrified and conducted. The oil in the oil discharge pipe and the oil inlet pipe flows under the drive of the oil pump.
After the start button SA2 is pressed again, the second relay coil KM2 is de-energized, and the first solenoid valve K1 and the second solenoid valve K2 are de-energized and closed.
When self-cleaning is needed, the cleaning pump M3 is pressed to start the button SA3, and the fourth relay coil KM4 is electrified and self-locked. Meanwhile, a second normally open switch KM4-2 of the fourth relay is closed, and a third electromagnetic valve K3 is electrically conducted. Meanwhile, the coil KT of the time relay is electrified to start countdown for 1 minute, the countdown time is up, the first normally closed switch KT-1 of the time relay is switched off, the second normally open switch KT-2 of the time relay is switched on, and the fourth normally closed switch corresponding to the second relay is still in a closed state due to the fact that the second relay is in a power-off state at the moment, the fourth electromagnetic valve K4 is switched on, and a sewage discharge pipeline starts to discharge sewage.
When the button SA2 is activated again, the fourth solenoid valve K4G is de-energized and closed, the self-cleaning is over, and the cleaning of the oil in the cylinder is started.
Claims (7)
1. The utility model provides a closed loop oil circuit automatic cooling system for buffering cylinder body which characterized in that: the water tank comprises a cylinder body (1), wherein a heat absorption pipe through hole (2) is formed in the top of the cylinder body (1), a heat absorption pipe (3) is arranged on the heat absorption pipe through hole (2), the heat absorption pipe (3) extends into a body cavity of the cylinder body (1) from the heat absorption pipe through hole (2) and surrounds the body cavity, and then extends out from the heat absorption pipe through hole (2), the extending end of the heat absorption pipe (3) is connected with a water outlet of a water tank (4), and the extending end of the heat absorption pipe (3) is connected with a water inlet of the water tank (4) through a one-way valve and a water pump M1 (5);
an oil discharge port and an oil inlet are formed in the cylinder body (1), the oil discharge port is connected with an oil inlet of the filter (6) through an oil discharge pipe, and an oil outlet of the filter (6) is connected with an oil inlet of the cylinder body (1) through an oil inlet pipe and an oil pump M2;
a first electromagnetic valve K1 is arranged on the oil discharge pipe;
and a second electromagnetic valve K2 is arranged on the oil inlet pipe.
2. The closed-loop oil circuit automatic cooling system for the buffer cylinder block as claimed in claim 1, wherein: filter (6) are including dirty oil pocket and clean oil chamber, separate through the filter core between this dirty oil pocket and the clean oil chamber be provided with anti-scavenge port on the lateral wall that dirty oil chamber corresponds, be connected with anti-scavenging pipe on this anti-scavenge port, should anti-scavenge pipe through scavenging water pump M3(7) with clean oil tank (A) be connected anti-scavenge pipe is last to be provided with third solenoid valve K3.
3. The closed-loop oil circuit automatic cooling system for the buffer cylinder block as claimed in claim 1, wherein: the heat absorption pipe is a metal hose.
4. The closed-loop oil circuit automatic cooling system for the buffer cylinder block as claimed in claim 2, wherein: the first electromagnetic valve K1 and the second electromagnetic valve K2 are powered by the same power supply line, and a first normally open switch KM3-1 of a third relay and a fourth normally closed switch KM4-3 of a fourth relay are sequentially arranged on the power supply line;
the third relay coil KM3 is connected with the output end of a system starting button SA0 through a first normally open switch KM2-1 of the second relay;
the second relay coil KM2 is connected with the output end of the system starting button SA0 through a fifth normally closed switch KM4-5 of a fourth relay and an oil pump starting button SA2, and a third normally open switch KM2-3 of a second relay is connected in parallel at two ends of the oil pump starting button SA 2;
a second normally open switch KM2-2 of the second relay is arranged on a power supply line of the oil pump;
the fourth relay coil KM4 is connected with the output end of the system starting button SA0 through a cleaning pump M3 starting button SA3, and a first normally open switch KM4-1 of a fourth relay is connected with two ends of a cleaning pump M3 starting button SA 3;
a power supply line of the third electromagnetic valve K3 is connected with the output end of the system starting button SA0, and a second normally open switch KM4-2 of a fourth relay is arranged on the power supply line of the third electromagnetic valve K3;
and a fourth normally open switch KM4-4 of the fourth relay is arranged on a power supply line of the scavenging pump M3.
5. The closed-loop oil circuit automatic cooling system for the buffer cylinder block as claimed in claim 4, wherein: a time relay coil KT is connected in parallel at two ends of the third electromagnetic valve K3, a first normally closed switch of the time relay is connected in series with a power supply line of the third electromagnetic valve K3, a second normally open switch of the time relay is connected in series with a power supply line of a fourth electromagnetic valve K4, the fourth electromagnetic valve K4 is arranged on a sewage discharge pipeline, and the sewage discharge pipeline is communicated with an anti-cleaning port;
the third normally closed switch of the time relay is also connected in series on the power supply line of the scavenging pump M3.
6. The closed-loop oil circuit automatic cooling system for the buffer cylinder block as claimed in claim 4, wherein: a first normally open switch KM1-1 of a first electromagnetic valve is arranged on a power supply line of the water pump M1(5), a first electromagnetic valve coil KM1 is connected with the output end of the system starting button SA0 through a water pump starting button SA1, and a second normally open switch KM1-2 of the first electromagnetic valve is connected in parallel at two ends of the water pump starting button SA 1.
7. The closed-loop oil circuit automatic cooling system for the buffer cylinder block as claimed in claim 6, wherein: a starting indicator lamp L1 is connected in series with the output end of the system starting button SA 0; the input end of the system starting button SA0 is connected with an alternating current power supply through a fuse;
and a water pump power supply circuit, an oil pump power supply circuit and a scavenging pump M3 power supply circuit are connected between the system starting button SA0 and the fuse FU 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920266811.4U CN209856298U (en) | 2019-03-01 | 2019-03-01 | Closed-loop oil circuit automatic cooling system for buffer cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920266811.4U CN209856298U (en) | 2019-03-01 | 2019-03-01 | Closed-loop oil circuit automatic cooling system for buffer cylinder |
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| Publication Number | Publication Date |
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| CN209856298U true CN209856298U (en) | 2019-12-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920266811.4U Active CN209856298U (en) | 2019-03-01 | 2019-03-01 | Closed-loop oil circuit automatic cooling system for buffer cylinder |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114483689A (en) * | 2021-12-28 | 2022-05-13 | 托肯恒山科技（广州）有限公司 | Split type integrated module device of oiling machine hydraulic oil circuit |
-
2019
- 2019-03-01 CN CN201920266811.4U patent/CN209856298U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114483689A (en) * | 2021-12-28 | 2022-05-13 | 托肯恒山科技（广州）有限公司 | Split type integrated module device of oiling machine hydraulic oil circuit |
| CN114483689B (en) * | 2021-12-28 | 2023-12-19 | 托肯恒山科技（广州）有限公司 | Split type integrated module device of oiling machine hydraulic oil way |
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