CN210715335U - Stamping hydraulic circuit based on energy accumulator - Google Patents
Stamping hydraulic circuit based on energy accumulator Download PDFInfo
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- CN210715335U CN210715335U CN201921752609.9U CN201921752609U CN210715335U CN 210715335 U CN210715335 U CN 210715335U CN 201921752609 U CN201921752609 U CN 201921752609U CN 210715335 U CN210715335 U CN 210715335U
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- hydraulic pump
- valve
- switching
- punching
- punching press
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Abstract
The utility model discloses a punching press hydraulic circuit for based on energy storage ware, including hydraulic pump, energy storage ware, switching-over valve, punching press jar, PLC controller, the hydraulic pump passes through the pole chamber that has of pipeline in the integrated valve piece connecting energy storage ware, switching-over valve, punching press jar respectively, and the rodless chamber of punching press jar is connected to the switching-over valve, and hydraulic pump, switching-over valve are connected respectively to the PLC controller. The hydraulic pump outputs power, the unloading valve maintains system pressure, the reversing valve coil YV1 is electrified, and the punching cylinder rapidly moves downwards to punch holes under the assistance of hydraulic oil of the energy accumulator. And then the YV2 is electrified to return the stamping cylinder, in the intermittent period, the hydraulic pump pumps oil to store the energy in the energy accumulator and wait for the next punching oil supplement. The pressure of the system is set through the unloading valve, when the pressure of the system reaches the set pressure, the unloading valve automatically unloads, and at the moment, the hydraulic pump saves electric energy when no load exists. The rapid punching can be realized only by a fixed displacement pump with small flow, and the punching force is enough.
Description
Technical Field
The utility model belongs to the technical field of the panel stamping equipment technique and specifically relates to a be used for punching press hydraulic circuit based on energy storage ware.
Background
The traditional press machine tool uses air pressure as power, so that the speed is high, the stamping force is insufficient, and the processing range is too small; the conventional hydraulic valve is used for controlling, so that the force is enough, and the speed cannot keep up; in addition, a large-flow pump and a large-size valve are adopted, so that the motor power is high, the equipment cost is high, and the energy utilization rate is too low. There is a need for a pump that meets the requirements of punching force and punching speed, and does not require a large flow rate.
Disclosure of Invention
The utility model discloses be exactly for solving the above-mentioned not enough that prior art exists, provide one kind and be used for based on the punching press hydraulic circuit of energy storage ware, hydraulic pump output power, the off-load valve maintains system's pressure, and switching-over valve coil YV1 gets electric, and under the hydraulic oil of energy storage ware is supplementary, the quick downstream of punching press jar punches a hole. And then the YV2 is electrified to return the stamping cylinder, in the intermittent period, the hydraulic pump pumps oil to store the energy in the energy accumulator and wait for the next punching oil supplement. The pressure of the system is set through the unloading valve, when the pressure of the system reaches the set pressure, the unloading valve automatically unloads, and at the moment, the hydraulic pump saves electric energy when no load exists. The rapid punching can be realized only by a fixed displacement pump with small flow, and the punching force is enough.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides a be used for punching press hydraulic circuit based on energy storage ware, includes hydraulic pump, energy storage ware, switching-over valve, punching press jar, PLC controller, and the hydraulic pump passes through the pipeline in the integrated valve block and connects the pole chamber that has of energy storage ware, switching-over valve, punching press jar respectively, and the no pole chamber of punching press jar is connected to the switching-over valve, and hydraulic pump, switching-over valve are connected respectively to the PLC controller.
The hydraulic pump is respectively connected with the energy accumulator, the reversing valve and the rod cavity of the stamping cylinder through the one-way valve.
The output end of the hydraulic pump is connected to the oil tank through an unloading valve.
The hydraulic pump is connected with the motor, and the PLC is connected with the motor through a motor driver.
The utility model has the advantages that:
1. the hydraulic pump outputs power, the unloading valve maintains system pressure, the reversing valve coil YV1 is electrified, and the punching cylinder rapidly moves downwards to punch holes under the assistance of hydraulic oil of the energy accumulator. And then the YV2 is electrified to return the stamping cylinder, in the intermittent period, the hydraulic pump pumps oil to store the energy in the energy accumulator and wait for the next punching oil supplement. The pressure of the system is set through the unloading valve, when the pressure of the system reaches the set pressure, the unloading valve automatically unloads, and at the moment, the hydraulic pump saves electric energy when no load exists. The rapid punching can be realized only by a fixed displacement pump with small flow, and the punching force is enough.
Drawings
Fig. 1 is a connection diagram of the pipeline and the valve body of the present invention.
In the figure: 1-hydraulic pump, 2-motor, 3-unloading valve, 4-one-way valve, 5-accumulator, 6-reversing valve and 7-stamping cylinder.
Detailed Description
In order to clearly illustrate the technical features of the present invention, the present invention is explained in detail by the following embodiments in combination with the accompanying drawings. The following disclosure provides many different embodiments, or examples, for implementing different features of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. It should be noted that the components illustrated in the figures are not necessarily drawn to scale. Descriptions of well-known components and processing techniques and processes are omitted so as to not unnecessarily limit the invention. The terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model provides a be used for punching press hydraulic circuit based on energy storage ware, includes hydraulic pump 1, energy storage ware 5, switching-over valve 6, punching press jar 7, PLC controller, and hydraulic pump 1 connects respectively through the pipeline in the integrated valve block energy storage ware 5, switching-over valve 6, the pole chamber of punching press jar 7, and the rodless chamber of punching press jar 7 is connected to switching-over valve 6, and PLC controller connects hydraulic pump 1, switching-over valve 6 respectively. The hydraulic pump 1 is respectively connected with an energy accumulator 5, a reversing valve 6 and a rod cavity of a stamping cylinder 7 through a one-way valve 4. The output end of the hydraulic pump 1 is connected to an oil tank through an unloading valve 3.
As shown in the attached figure 1, the hydraulic pump 1 outputs power, the unloading valve 3 maintains system pressure, the coil YV1 of the reversing valve 6 is electrified, and the punching cylinder 7 moves downwards rapidly to punch holes under the assistance of hydraulic oil of the accumulator 5. Then the YV2 gets the electric stamping cylinder 7 to return, in the intermittent period, the hydraulic pump 1 pumps oil to store the energy in the energy accumulator 5, and waits for the next punching oil supplement. The system pressure is set through the unloading valve 3, when the system pressure reaches the set pressure, the unloading valve 3 automatically unloads, and at the moment, the hydraulic pump 1 saves electric energy in no-load mode. The rapid punching can be realized only by a fixed displacement pump with small flow, and the punching force is enough.
Still include motor 2, hydraulic pump 1 is connected to motor 2, and the PLC controller passes through the motor drive and connects motor 2. The PLC controller is electrically connected to the corresponding valve body and the driver, which is a common known technology and will not be described herein.
The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.
Claims (4)
1. The utility model provides a be used for punching press hydraulic circuit based on energy storage ware, characterized by, including hydraulic pump, energy storage ware, switching-over valve, punching press jar, PLC controller, the hydraulic pump passes through the pipeline in the integrated valve block and connects energy storage ware, switching-over valve, the pole chamber of punching press jar respectively, and the no pole chamber of punching press jar is connected to the switching-over valve, and hydraulic pump, switching-over valve are connected respectively to the PLC controller.
2. The hydraulic circuit for accumulator-based ram hydraulic circuit of claim 1, wherein the hydraulic pump is connected to the accumulator, the reversing valve, the ram cylinder rod cavity through check valves, respectively.
3. The ram hydraulic circuit for an accumulator-based according to claim 1 wherein the hydraulic pump output is connected to a tank via an unloader valve.
4. The hydraulic ram circuit of claim 1 further comprising an electric motor coupled to the hydraulic pump, wherein the PLC controller is coupled to the electric motor via a motor drive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921752609.9U CN210715335U (en) | 2019-10-18 | 2019-10-18 | Stamping hydraulic circuit based on energy accumulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921752609.9U CN210715335U (en) | 2019-10-18 | 2019-10-18 | Stamping hydraulic circuit based on energy accumulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210715335U true CN210715335U (en) | 2020-06-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921752609.9U Active CN210715335U (en) | 2019-10-18 | 2019-10-18 | Stamping hydraulic circuit based on energy accumulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210715335U (en) |
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2019
- 2019-10-18 CN CN201921752609.9U patent/CN210715335U/en active Active
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