CN214698540U - Nearly free fall formula is from closing lid quenching oil groove hydraulic system - Google Patents
Nearly free fall formula is from closing lid quenching oil groove hydraulic system Download PDFInfo
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- CN214698540U CN214698540U CN202022880431.5U CN202022880431U CN214698540U CN 214698540 U CN214698540 U CN 214698540U CN 202022880431 U CN202022880431 U CN 202022880431U CN 214698540 U CN214698540 U CN 214698540U
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- electromagnetic directional
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- 238000010791 quenching Methods 0.000 title claims abstract description 29
- 230000000171 quenching effect Effects 0.000 title claims abstract description 26
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims description 11
- 238000000034 method Methods 0.000 abstract description 6
- 238000007598 dipping method Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 description 5
- 238000007654 immersion Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model discloses a nearly free fall formula is from closing lid quenching oil groove hydraulic system, including an oil tank, the oil tank has connected gradually oil filter and hydraulic pump through the oil circuit, the hydraulic pump output divide into two oil circuits, and an oil circuit has connected gradually manometer and overflow valve, and the overflow valve return circuit is connected with the oil tank, and another oil circuit has connected gradually electromagnetic directional valve and pneumatic cylinder, be equipped with plate-type ball valve between electromagnetic directional valve and the pneumatic cylinder, the pneumatic cylinder work end is connected with chain drive mechanism, and chain drive mechanism is connected with quenching dolly load. Compared with the prior art, the utility model discloses a this system combines the sensor to realize going into the oil level and puts controllably, and speed is adjustable, has solved the shortcoming such as the dipping position of manual control quenching in-process and direction uniformity is poor, and adaptability is stronger, and is reliable and stable, and the practicality is good.
Description
Technical Field
The utility model relates to a hydraulic crushing engineering machine tool technical field, concretely relates to nearly free fall formula is proclaimed oneself and is covered quench oil groove hydraulic system.
Background
Quenching oil is often used as a quenching medium for quenching steel with high alloy content in the manufacturing industry so as to avoid overlarge deformation and even cracking in the cooling process.
In the prior art quenching process, in the process that austenitized workpieces enter oil from the upper part of the oil surface of an oil tank, the generated high temperature causes the instantaneous ignition and combustion of the oil surface and generates a large amount of oil smoke, the damage of a hoisting motor is easily caused while the environment is polluted, the position and the speed of the workpieces entering the oil surface are controlled by a crane manually, the consistency of the immersion position and the immersion direction is poor, the cooling speed of workpieces in different batches is uneven, uncontrollable deformation is generated, the immersion speed is limited by equipment and cannot be flexibly adjusted according to the requirements of different types of workpieces, and the adaptability is poor.
In the near-free-fall self-sealing oil-quenching tank structure, the workpiece enters the oil surface through the quenching trolley which is driven by the hydraulic cylinder and used for placing the workpiece, and how to solve the problem that the quenching trolley driven by the hydraulic cylinder is freely controlled on the consistency of the immersion position and the direction is a great problem in reality.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects, the utility model aims at providing a nearly free fall formula is from closing lid quenching oil groove hydraulic system, it is controllable to combine the sensor realization to go into the oil level through this system, and speed is adjustable, has solved the shortcoming such as the dipping position in the manual control quenching process is poor with the direction uniformity, and the adaptability is stronger, and is reliable and stable, and the practicality is good.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a nearly free fall type self-sealing cover quenching oil tank hydraulic system comprises an oil tank, wherein the oil tank is sequentially connected with an oil filter and a hydraulic pump through oil passages, the output end of the hydraulic pump is divided into two oil passages, one oil passage is sequentially connected with a pressure gauge and an overflow valve, the return circuit of the overflow valve is connected with the oil tank, the other oil passage is sequentially connected with an electromagnetic directional valve and a hydraulic cylinder, a plate-type ball valve is arranged between the electromagnetic directional valve and the hydraulic cylinder, the working end of the hydraulic cylinder is connected with a chain transmission mechanism, and the chain transmission mechanism is connected with a quenching trolley load;
the electromagnetic directional valve is provided with an oil inlet P, an oil return port T, a working oil port A and a working oil port B, the oil inlet P is connected with the output end of the hydraulic pump, and the oil return port T is connected with an oil tank; the hydraulic cylinder is provided with an oil inlet A and an oil return opening B, the working oil opening A is connected with the oil inlet A, and the working oil opening B is connected with the oil return opening B; the hydraulic cylinder is also provided with a travel switch sensor for controlling the travel of the piston rod.
Furthermore, the chain transmission mechanism works in a pulley block mode.
The utility model has the advantages that: the height of the travel switch sensor in the automatic control mode can be flexibly adjusted according to the requirements of different types of workpieces, and the position of the workpiece immersed below the oil level is controlled.
The overflow valve in the automatic control mode controls the load movement speed by adjusting the pressure of the main oil way.
The plate-type ball valve in the manual control mode can freely adjust the opening of the valve as required, control the descending speed and position of the load and has flexible, simple and convenient mode.
In the load descending process, if power failure emergency occurs, the workpiece can be controlled to enter oil in a manual mode, so that accidents such as equipment damage, fire and the like caused by the fire on the oil surface are prevented.
The chain transmission mechanism utilizes the pulley block principle, can realize doubling relative to the piston rod moving speed, and can make the load achieve the purpose of descending with nearly free falling body acceleration.
Drawings
The structure and features of the present invention will be further explained with reference to the accompanying drawings.
Fig. 1 is a schematic view of the working principle of the present invention.
In the attached figure 1, 1 is an oil tank, 2 is an oil filter, 3 is a hydraulic pump, 4 is an overflow valve, 5 is a pressure gauge, 6 is an electromagnetic directional valve, 7 is a plate-type ball valve, 8 is a hydraulic cylinder, 9 is a chain transmission mechanism, 10 is a quenching trolley load, and 11 is a travel switch sensor.
Detailed Description
Referring to the attached figure 1, the embodiment of the utility model discloses a nearly free fall formula is from closing cap quenching oil groove hydraulic system, including an oil tank 1, oil tank 1 connects gradually oil filter 2 and hydraulic pump 3 through the oil circuit, the hydraulic pump 3 output end divides into two oil circuits, one oil circuit connects gradually manometer 5 and overflow valve 4, the overflow valve 4 return circuit is connected with oil tank 1, another oil circuit connects gradually electromagnetic directional valve 6 and pneumatic cylinder 8, be equipped with plate ball valve 7 between electromagnetic directional valve 6 and the pneumatic cylinder 8, the pneumatic cylinder 8 working end is connected with chain drive 9, chain drive 9 is connected with quenching dolly load 8;
the electromagnetic directional valve 6 is provided with an oil inlet P, an oil return port T, a working oil port A and a working oil port B, the oil inlet P is connected with the output end of the hydraulic pump 3, and the oil return port T is connected with the oil tank 1; the hydraulic cylinder 8 is provided with an oil inlet A and an oil return opening B, the working oil opening A is connected with the oil inlet A, and the working oil opening B is connected with the oil return opening B; the hydraulic cylinder 8 is further provided with a stroke switch sensor 11 for controlling the stroke of the piston rod.
The embodiment of the utility model discloses an at the during operation, have following two kinds of control mode:
when the plate-type ball valve 7 is closed, the system works in an automatic control mode; when the electromagnetic directional valve 6 is not electrified, the valve core is positioned at the middle position, pressure oil generated by the hydraulic pump 3 flows back to the oil tank 1 through the oil way of the oil inlet P and the oil return port T in the middle position of the valve core, and the piston rod does not move at the moment;
when the magnet on the left side of the electromagnetic directional valve 6 is electrified for actuation, the valve core moves towards the left side, part of pressure oil from the hydraulic pump flows back to the oil tank 1 through the overflow valve 4, the main oil way runs at a set pressure, the pressure oil of the main oil way enters the hydraulic cylinder 8 through the oil inlet P, the working oil port A, the oil inlet A, the oil return port B, the working oil port B and the oil return port T, and the piston cylinder of the hydraulic cylinder 8 descends while the chain transmission mechanism drives the quenching trolley load 10 to ascend;
when the magnet on the right side of the electromagnetic directional valve 6 is electrified for suction, the valve core moves towards the right side, a part of pressure oil from the hydraulic pump flows back to the oil tank 1 through the overflow valve 4 to enable the oil circuit to keep set pressure operation, main oil circuit pressure oil enters the hydraulic cylinder 8 through the oil inlet P, the working oil port A, the oil inlet A, the oil return port B, the oil return port T, the working oil port B and the oil return port T, the chain transmission mechanism 9 drives the quenching trolley load 10 to descend when the piston rod rises until the piston rod mechanically limits and touches the travel switch sensor 11, at the moment, the electromagnetic directional valve 6 loses electricity and returns to the middle position, and the piston rod and the quenching trolley load 10 stop moving.
When the plate type ball valve 7 is opened, the system works in a manual control mode;
the movement of the electromagnetic directional valve 6 can not control the movement of the hydraulic cylinder 8, at the moment, the hydraulic cylinder 8 releases pressure through an oil path of the oil inlet A, the plate-type ball valve 7 and the oil return port B, the quenching trolley load 10 descends under the action of gravity and simultaneously drives the piston rod to ascend through the driving of the chain type transmission mechanism 9, the oil path maintains pressure when the plate-type ball valve 7 is closed, the quenching trolley load 10 stops moving, and the descending speed and the position of the quenching trolley load 10 can be controlled in a manual control mode.
The above description is only for the preferred embodiment of the present invention, and the above specific embodiments are not intended to limit the present invention, and any decoration, modification or equivalent replacement made by those skilled in the art according to the above description all belong to the protection scope of the present invention.
Claims (2)
1. The utility model provides a nearly free fall formula is from closing lid quenching oil groove hydraulic system, includes an oil tank, its characterized in that: the oil tank is sequentially connected with an oil filter and a hydraulic pump through oil paths, the output end of the hydraulic pump is divided into two oil paths, one oil path is sequentially connected with a pressure gauge and an overflow valve, the return circuit of the overflow valve is connected with the oil tank, the other oil path is sequentially connected with an electromagnetic directional valve and a hydraulic cylinder, a plate-type ball valve is arranged between the electromagnetic directional valve and the hydraulic cylinder, the working end of the hydraulic cylinder is connected with a chain transmission mechanism, and the chain transmission mechanism is connected with a quenching trolley load;
the electromagnetic directional valve is provided with an oil inlet P, an oil return port T, a working oil port A and a working oil port B, the oil inlet P is connected with the output end of the hydraulic pump, and the oil return port T is connected with an oil tank; the hydraulic cylinder is provided with an oil inlet A and an oil return opening B, the working oil opening A is connected with the oil inlet A, and the working oil opening B is connected with the oil return opening B; the hydraulic cylinder is also provided with a travel switch sensor for controlling the travel of the piston rod.
2. The near free fall self-capping quench oil sump hydraulic system of claim 1, wherein: the chain transmission mechanism works in a pulley block mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022880431.5U CN214698540U (en) | 2020-12-04 | 2020-12-04 | Nearly free fall formula is from closing lid quenching oil groove hydraulic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022880431.5U CN214698540U (en) | 2020-12-04 | 2020-12-04 | Nearly free fall formula is from closing lid quenching oil groove hydraulic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214698540U true CN214698540U (en) | 2021-11-12 |
Family
ID=78556950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022880431.5U Expired - Fee Related CN214698540U (en) | 2020-12-04 | 2020-12-04 | Nearly free fall formula is from closing lid quenching oil groove hydraulic system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214698540U (en) |
-
2020
- 2020-12-04 CN CN202022880431.5U patent/CN214698540U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211112 |