CN216922652U - Hydraulic system for horizontal steel ball machine - Google Patents
Hydraulic system for horizontal steel ball machine Download PDFInfo
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- CN216922652U CN216922652U CN202221268922.7U CN202221268922U CN216922652U CN 216922652 U CN216922652 U CN 216922652U CN 202221268922 U CN202221268922 U CN 202221268922U CN 216922652 U CN216922652 U CN 216922652U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
A hydraulic system for a horizontal steel ball machine comprises an oil tank, a main oil cylinder and a main motor of the steel ball machine, wherein an oil pump driven by a driving motor is fixedly installed at the top of the oil tank, an oil inlet pipe communicated with an oil inlet of the oil pump extends to the bottom in the oil tank, and an oil outlet pipe communicated with an oil outlet of the oil pump is communicated with a pressurization cavity oil pipe of the main oil cylinder after sequentially passing through a system pressure gauge, an overflow valve, a first pressure relay, a first electric control valve, a hydraulic control one-way valve, an energy accumulator and a second pressure relay; the overflow port of the overflow valve is communicated with an oil tank, a retreat cavity oil pipe of the main oil cylinder is communicated with a second oil return pipe after passing through a second electric control valve, and the current sensor, the driving motor, the first pressure relay, the second pressure relay, the first electric control valve and the second electric control valve are all electrically connected with a controller; the oil supply state of the oil pump is controlled and the pressure of the main oil cylinder is adjusted by monitoring the oil pressure of the system and the current of the main motor, so that the steel ball is prevented from being damaged due to overlarge pressure, and the main motor is prevented from being damaged due to overlarge current.
Description
Technical Field
The utility model relates to auxiliary equipment of a steel ball machine, in particular to a hydraulic system for a horizontal steel ball machine.
Background
In the process of processing the light ball by the steel ball machine, most of the used hydraulic stations are three-phase asynchronous motor driven oil pumps, supply oil for a normally open type and use an overflow valve for pressure regulation; or the centralized pressure supply hydraulic station in the factory supplies pressure to the equipment, so that the two ball plates are pressurized and used for grinding the steel balls. The common normally open hydraulic station cannot automatically adjust the pressure according to the constant value of the load current of the main motor, and the pressure of a single steel ball is easily increased in a zonal elimination stage or unsmooth ball inlet, so that the current of the main motor is increased instantaneously, and the quality accident of steel ball burning or main motor burning during the ball finishing process is caused.
SUMMERY OF THE UTILITY MODEL
Aiming at the requirements in the prior art, the utility model provides a hydraulic system for a horizontal steel ball machine, and aims to provide a pressurizing pressure for the horizontal steel ball machine during steel ball processing and avoid the damage of a steel ball caused by overlarge pressure and the damage of a main motor caused by overlarge current.
A hydraulic system for a horizontal steel ball machine comprises an oil tank, a main oil cylinder and a main motor of the steel ball machine, wherein an oil pump driven by a driving motor is fixedly installed at the top of the oil tank, an oil inlet pipe communicated with an oil inlet of the oil pump extends to the bottom in the oil tank, and an oil outlet pipe communicated with an oil outlet of the oil pump is communicated with a pressurization cavity oil pipe of the main oil cylinder after sequentially passing through a system pressure gauge, an overflow valve, a first pressure relay, a first electric control valve, a hydraulic control one-way valve, an energy accumulator and a second pressure relay; the first oil return pipe communicated with the overflow port of the overflow valve extends into the oil tank, the retreating cavity oil pipe of the main oil cylinder is communicated with the second oil return pipe after passing through the second electric control valve, the second oil return pipe extends into the oil tank, the hydraulic control system further comprises a current sensor used for collecting current signals of the main motor, and the current sensor, the driving motor, the first pressure relay, the second pressure relay, the first electric control valve and the second electric control valve are all electrically connected with the controller.
The working principle of the utility model is as follows: the oil pipe of the pressurizing cavity and the oil pipe of the retreating cavity are both connected to a main oil cylinder of the horizontal steel ball machine, a current sensor is arranged on a main motor of the horizontal steel ball machine, a driving motor and a first electric control valve are started firstly, an oil pressure driving hydraulic control one-way valve is conducted after an oil pump works, the main oil cylinder is enabled to advance and pressurize, an operator adjusts the maximum pressure output by a system through an overflow valve according to the current output pressure of the oil pump displayed by a system pressure gauge after the current advancing and pressurizing are stable, and an energy accumulator stores energy at the same time; when the processing pressure reaches the upper limit of the pressure set by the first pressure relay, the driving motor is controlled to stop working, the energy accumulator is used for stabilizing the pressurization pressure of the main oil cylinder, when the load of a main motor of the equipment is increased and the current of the main motor is increased, the second electric control valve is opened and the pressure of the main oil cylinder is reduced, when the current value of the main motor is reduced to the set current value range, the second electric control valve is closed, and the pressure of an advancing pressurization oil cavity of the main oil cylinder is maintained; if the ball blank is gradually smooth after being machined for a period of time, the current value of a main motor of the equipment is reduced to a certain extent, and meanwhile, when the energy accumulator is judged to be incapable of providing enough stable pressure according to the second pressure relay, the driving of the driving motor is controlled, meanwhile, the first electric control valve is opened, the main oil cylinder is pressurized to a set value, and meanwhile, after the current value of the main motor reaches a set range, the driving motor is controlled to stop working until the ball blank is machined, and the operation is repeated.
In order to facilitate the operator to constantly pay attention to the machining pressure condition of the steel ball machine, the method further comprises the following steps: and a processing pressure gauge is arranged between the hydraulic control one-way valve and the energy accumulator.
Further: the oil tank is characterized in that an oil filling port of the oil tank is provided with an oil filling filter screen, an oil inlet of the oil inlet pipe is fixedly provided with an oil absorption filter screen, and the filtering precision of the oil absorption filter screen is greater than that of the oil filling filter screen.
For the integration and modularization of the utility model, further: the oil pump comprises a first oil distribution block and a second oil distribution block, wherein an oil inlet of a first oil path channel in the first oil distribution block is communicated with an oil outlet of the oil pump through a pipeline (namely the oil outlet pipe), an oil outlet of the first oil path channel is communicated with an oil inlet of a second oil path channel in the second oil distribution block through a pipeline, and an oil outlet of the second oil path channel is communicated with an oil inlet of the oil pipe of the pressurization cavity; the system pressure gauge and the overflow valve are fixedly arranged on the first oil path channel, an oil inlet of a third oil path channel in the first oil distribution block is communicated with an overflow port of the overflow valve, and an oil outlet of the third oil path channel is communicated with an oil inlet of the first oil return pipe; the first pressure relay, the first electric control valve, the hydraulic control one-way valve and the energy accumulator are fixedly mounted on the second oil path channel, an oil inlet of a fourth oil path channel in the second oil distribution block is communicated with an oil outlet of the retreating cavity oil pipe, an oil outlet of the fourth oil path channel is communicated with an oil inlet of the second oil return pipe, and the second electric control valve is fixedly mounted on the fourth oil path channel.
The utility model has the beneficial effects that: the oil supply state of the oil pump is controlled and the pressure of the main oil cylinder is adjusted by monitoring the oil pressure of the system and the current of the main motor, so that the steel ball is prevented from being damaged due to overlarge pressure and the damage caused by overlarge current of the main motor is avoided, the steel ball processing quality of the horizontal steel ball machine is improved, and the energy is saved by adopting an energy accumulator for holding pressure.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
In the figure, 1, a fuel tank; 2. an oil absorption filter screen; 3. an oil inlet pipe; 4. oiling a filter screen; 5. an oil pump; 6. a drive motor; 7. an overflow valve; 8. a system pressure gauge; 9. an accumulator; 10. processing a pressure gauge; 11. a second electrically controlled valve; 12. a hydraulic control check valve; 13. a pressurized cavity oil pipe; 14. a cavity retreating oil pipe; 15. a first electrically controlled valve; 16. a second oil distribution block; 17. a second pressure relay; 18. a first pressure relay; 19. a first oil distribution block; 20. a second oil return pipe; 21. an oil outlet pipe; 22. a first oil return pipe.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings. Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are illustrative only and should not be construed as limiting the utility model. The terms of orientation such as left, center, right, up, down, etc. in the examples of the present invention are only relative to each other or are referred to the normal use state of the product, and should not be considered as limiting.
A hydraulic system for a horizontal steel ball machine is shown in figure 1 and comprises an oil tank 1, a main oil cylinder and a main motor of the steel ball machine, wherein an oil pump 5 driven by a driving motor 6 is fixedly installed at the top of the oil tank 1, the driving motor 6 is a three-phase asynchronous motor, an oil inlet pipe 3 communicated with an oil inlet of the oil pump 5 extends to the bottom in the oil tank 1, and an oil outlet pipe 21 communicated with an oil outlet of the oil pump 5 is communicated with a pressurization cavity oil pipe 13 of the main oil cylinder after sequentially passing through a system pressure gauge 8, an overflow valve 7, a first pressure relay 18, a first electric control valve 15, a hydraulic control one-way valve 12, an energy accumulator 9 and a second pressure relay 17; the first oil return pipe 22 communicated with the overflow port of the overflow valve 7 extends into the oil tank 1, the retreat cavity oil pipe 14 of the main oil cylinder is communicated with the second oil return pipe 20 after passing through the second electric control valve 11, the second oil return pipe 20 extends into the oil tank 1, the hydraulic oil cylinder further comprises a current sensor used for collecting current signals of a main motor, and the current sensor, the three-phase asynchronous motor, the first pressure relay 18, the second pressure relay 17, the first electric control valve 15 and the second electric control valve 11 are all electrically connected with a controller.
Wherein, a processing pressure gauge 10 is arranged between the hydraulic control one-way valve 12 and the accumulator 9. Be provided with on the oil filler hole of oil tank 1 and refuel filter screen 4 oil inlet pipe 3's oil inlet is gone up fixed mounting and is had oil absorption filter screen 2, oil absorption filter screen 2's filter fineness is greater than the filter fineness of refueling filter screen 4.
In addition, the oil distribution device also comprises a first oil distribution block 19 and a second oil distribution block 16, wherein an oil inlet of a first oil path channel in the first oil distribution block 19 is communicated with an oil outlet of the oil pump 5 through a pipeline (namely, the oil outlet pipe 21), an oil outlet of the first oil path channel is communicated with an oil inlet of a second oil path channel in the second oil distribution block 16 through a pipeline, and an oil outlet of the second oil path channel is communicated with an oil inlet of the pressurization cavity oil pipe 13; the system pressure gauge 8 and the overflow valve 7 are both fixedly installed on the first oil path channel, an oil inlet of a third oil path channel in the first oil distribution block 19 is communicated with an overflow port of the overflow valve 7, and an oil outlet of the third oil path channel is communicated with an oil inlet of the first oil return pipe 22; the first pressure relay 18, the first electric control valve 15, the hydraulic control one-way valve 12 and the energy accumulator 9 are all fixedly mounted on the second oil path channel, an oil inlet of a fourth oil path channel in the second oil distribution block 16 is communicated with an oil outlet of the retreating cavity oil pipe 14, an oil outlet of the fourth oil path channel is communicated with an oil inlet of the second oil return pipe 20, and the second electric control valve 11 is fixedly mounted on the fourth oil path channel.
The working principle of the utility model is as follows: the pressurization cavity oil pipe 13 and the retreat cavity oil pipe 14 are both connected to a main oil cylinder of the horizontal steel ball machine, a current sensor is arranged on the main motor of the horizontal steel ball machine, firstly, a three-phase asynchronous motor and a first electric control valve 15 are started, after an oil pump 5 works, an oil pressure drives a hydraulic control one-way valve 12 to be conducted, so that the main oil cylinder advances and pressurizes, after the advancing and pressurizing are stable, an operator adjusts the maximum pressure output by the system through an overflow valve 7 according to the current output pressure of the oil pump 5 displayed by a system pressure gauge 8, and meanwhile, an energy accumulator 9 accumulates energy; when the processing pressure reaches the upper pressure limit set by the first pressure relay 18, the three-phase asynchronous motor is controlled to stop working, at the moment, the energy accumulator 9 is used for stabilizing the pressurization pressure of the main oil cylinder, when the load of a main motor of the equipment is increased and the current of the main motor is increased, the second electric control valve 11 is opened and the pressure of the main oil cylinder is reduced, and when the current value of the main motor is reduced to the set current value range, the second electric control valve 11 is closed, and the pressure of an advancing pressurization oil cavity of the main oil cylinder is maintained; if the ball blank is gradually smooth after being processed for a period of time, the current value of a main motor of the equipment is reduced to a certain extent, and meanwhile, when the energy accumulator 9 is judged to be incapable of providing enough stable pressure according to the second pressure relay 17, the three-phase asynchronous motor is controlled to drive, meanwhile, the first electric control valve 15 is started, the main oil cylinder is pressurized to a set value, and meanwhile, after the current value of the main motor reaches a set range, the three-phase asynchronous motor is controlled to stop working until the ball blank is processed, and the operation is repeated.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides a hydraulic system for horizontal steel ball machine, includes the master cylinder and the main motor of oil tank and steel ball machine which characterized in that: an oil pump driven by a driving motor is fixedly installed at the top of the oil tank, an oil inlet pipe communicated with an oil inlet of the oil pump extends to the bottom in the oil tank, and an oil outlet pipe communicated with an oil outlet of the oil pump is communicated with a pressurization cavity oil pipe of the main oil cylinder through a system pressure gauge, an overflow valve, a first pressure relay, a first electric control valve, a hydraulic control one-way valve, an energy accumulator and a second pressure relay in sequence; the first oil return pipe communicated with the overflow port of the overflow valve extends into the oil tank, the retreating cavity oil pipe of the main oil cylinder is communicated with the second oil return pipe after passing through the second electric control valve, the second oil return pipe extends into the oil tank, the hydraulic control system further comprises a current sensor used for collecting current signals of the main motor, and the current sensor, the driving motor, the first pressure relay, the second pressure relay, the first electric control valve and the second electric control valve are all electrically connected with the controller.
2. The hydraulic system for a horizontal steel ball machine according to claim 1, characterized in that: and a processing pressure gauge is arranged between the hydraulic control one-way valve and the energy accumulator.
3. The hydraulic system for a horizontal steel ball machine according to claim 1, characterized in that: the oil tank is characterized in that an oil filling port of the oil tank is provided with an oil filling filter screen, an oil inlet of the oil inlet pipe is fixedly provided with an oil absorption filter screen, and the filtering precision of the oil absorption filter screen is greater than that of the oil filling filter screen.
4. The hydraulic system for a horizontal steel ball machine according to claim 1, 2 or 3, wherein: the oil pump comprises a first oil distribution block and a second oil distribution block, wherein an oil inlet of a first oil path channel in the first oil distribution block is communicated with an oil outlet of the oil pump through a pipeline, an oil outlet of the first oil path channel is communicated with an oil inlet of a second oil path channel in the second oil distribution block through a pipeline, and an oil outlet of the second oil path channel is communicated with an oil inlet of the oil pipe of the pressurization cavity; the system pressure meter and the overflow valve are fixedly arranged on the first oil path channel, an oil inlet of a third oil path channel in the first oil distribution block is communicated with an overflow port of the overflow valve, and an oil outlet of the third oil path channel is communicated with an oil inlet of the first oil return pipe; the first pressure relay, the first electric control valve, the hydraulic control one-way valve and the energy accumulator are fixedly mounted on the second oil path channel, an oil inlet of a fourth oil path channel in the second oil distribution block is communicated with an oil outlet of the retreating cavity oil pipe, an oil outlet of the fourth oil path channel is communicated with an oil inlet of the second oil return pipe, and the second electric control valve is fixedly mounted on the fourth oil path channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221268922.7U CN216922652U (en) | 2022-05-25 | 2022-05-25 | Hydraulic system for horizontal steel ball machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221268922.7U CN216922652U (en) | 2022-05-25 | 2022-05-25 | Hydraulic system for horizontal steel ball machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216922652U true CN216922652U (en) | 2022-07-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221268922.7U Active CN216922652U (en) | 2022-05-25 | 2022-05-25 | Hydraulic system for horizontal steel ball machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216922652U (en) |
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2022
- 2022-05-25 CN CN202221268922.7U patent/CN216922652U/en active Active
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