CN208634120U - The energy saving protecting against shock pump discharge control system of skin drawing hydraulic press - Google Patents
The energy saving protecting against shock pump discharge control system of skin drawing hydraulic press Download PDFInfo
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- CN208634120U CN208634120U CN201821161776.1U CN201821161776U CN208634120U CN 208634120 U CN208634120 U CN 208634120U CN 201821161776 U CN201821161776 U CN 201821161776U CN 208634120 U CN208634120 U CN 208634120U
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Abstract
The utility model discloses a kind of energy-saving prevention impulsive control system of skin drawing hydraulic press pump discharge, energy saving protecting against shock pump discharge control system includes pressure control function plug-in unit, control cover board, the control cover board of carry potential overflow valve function, superposing type filter, proportional pressure valve, pressure sensor, pressure measuring unit with guide type sequence valve function;The energy conservation protecting against shock pump discharge control system realizes the stepless adjustable of pump discharge pressure by the ratio pressure regulation in proportional pressure valve range.The utility model can guarantee to realize stepless adjustable control by skin drawing hydraulic press energy conservation protecting against shock pump discharge control system fluid pressure, the phenomenon that builds the pressure is effectively reduced before valve caused by high frequency sound proportional valve control mechanism, prevent influence of the hydraulic power to the hydraulic electrical-mechanical closed-loop control of skin drawing, and energy consumption and system noise are reduced, the pressure closed loop control precision of skin drawing hydraulic press is improved.
Description
Technical field
The utility model relates to a kind of skin drawing hydraulic press, in particular to a kind of energy saving erosion control of skin drawing hydraulic press
Hit pump discharge control system.
Background technique
Skin drawing hydraulic press belongs to typical high-end equipment, is suitable for aerospace field, meets the field small lot
The production model of multi items.For many years, such press is mainly monopolized by external some equipment manufacturers.In recent years, with China
The progress of industry and the development of high-end devices, high-end devices producer, China sets about researching and developing skin drawing machine, and achieves success.But
It is that skin drawing forming process is more complicated, the Forming Quality of aircraft skin by skin drawing technique in addition to being influenced, skinning surface
The advanced degree of equipment also directly affects molding quality.
Summary of the invention
The utility model is to solve technical problem present in well-known technique and provide a kind of section of skin drawing hydraulic press
It can protecting against shock pump discharge control system.
The utility model is adopted the technical scheme that solve technical problem present in well-known technique: including pressure control
Feature card processed, the control cover board with guide type sequence valve function, the control cover board of carry potential overflow valve function, superposing type filter,
Proportional pressure valve, pressure sensor, pressure measuring unit;The energy conservation protecting against shock pump discharge control system, passes through proportional pressure valve amount
The stepless adjustable of pump discharge pressure is realized in ratio pressure regulation in journey.The utility model can guarantee through skin drawing hydraulic press
Energy saving protecting against shock pump discharge control system fluid pressure realizes stepless adjustable control, and high frequency sound proportional valve control mechanism is effectively reduced
Caused by build the pressure before valve phenomenon, prevent influence of the hydraulic power to the hydraulic electrical-mechanical closed-loop control of skin drawing.
The utility model adopts the following technical solution:
A kind of energy saving protecting against shock pump discharge control system of skin drawing hydraulic press, including control energy saving protecting against shock pump work
The controller of state;The controller is embedded in linear feedback system;At least further include: pressure control function plug-in unit A (1), pressure
Power control function plug-in unit B (2), superposing type filter (3), proportional pressure valve (4), the pressure sensor for measuring pump discharge pressure
(5), the control cover board (8) of pressure measuring tie-in (6), the control cover board (7) with guide type sequence valve function and carry potential overflow valve function;Its
In:
Insert hole on pressure control function plug-in unit A (1) and pressure control function plug-in unit B (2) insertion valve body, band pilot-operated type
The control cover board (7) of sequence valve function and the control cover board (8) of carry potential overflow valve function are separately mounted to the surface of control valve group;It is folded
Formula filter (3) and proportional pressure valve (4) is added to be installed on the control cover board (8) of carry potential overflow valve function;Pressure sensor (5) and
Pressure measuring tie-in (6) is separately mounted in control valve group;The signal output terminal of the pressure sensor (5) and the I/O of controller
Terminal electrical connection.
Further, the pressure control function plug-in unit A (1) and pressure control function plug-in unit B (2) are Dg16 latus rectum.
Further, the precision of the superposing type filter (3) is 10 μm.
Further, the proportional pressure valve (4) is Dg6 latus rectum, maximum working pressure 35MPa.
Further, the range of the pressure sensor (5) is 0~40MPa.
The utility model has the advantages and positive effects of: the energy conservation protecting against shock pump discharge control system, controller
Based on the collected pressure information of pressure sensor, then by the ratio pressure regulation in proportional pressure valve range, pump discharge is realized
Pressure it is stepless adjustable.The utility model can guarantee through skin drawing hydraulic press energy conservation protecting against shock pump discharge control system liquid
Body pressure realizes stepless adjustable control, and the phenomenon that builds the pressure is effectively reduced before valve caused by high frequency sound proportional valve control mechanism, prevents liquid
Influence of the power to the hydraulic electrical-mechanical closed-loop control of skin drawing.
Detailed description of the invention
Fig. 1 is the control system schematic diagram of the utility model;
Fig. 2 is connection schematic diagram between each element of the utility model.
In figure: 1, pressure control function plug-in unit A;2, pressure control function plug-in unit B;3, superposing type filter;4, ratio pressure
Power valve;5, pressure sensor;6, pressure measuring tie-in;7, with the control cover board of guide type sequence valve function;8, carry potential overflow valve function
Control cover board.
Specific embodiment
For the invention, features and effects that can further appreciate that the utility model, the following examples are hereby given, and cooperates
Detailed description are as follows for attached drawing:
Referring to Figure 1 and Fig. 2,
A kind of skin drawing hydraulic press energy conservation protecting against shock pump discharge control system, including control energy saving protecting against shock pump work shape
The controller of state;The controller is embedded in linear feedback system;Linear feedback system is between output signal and output signal
For a kind of closed loop feedback system of linear relationship, which is a kind of more commonly used control system, and this patent is by the existing skill
Art is applied in this preferred embodiment;Specifically:
Further include: pressure control function plug-in unit A1, pressure control function plug-in unit B2, superposing type filter 3, proportional pressure valve
4, pressure sensor 5, pressure measuring tie-in 6, the control cover board 7 and carry potential overflow with guide type sequence valve function of pump discharge pressure are measured
The control cover board 8 of valve function;Wherein:
Insert hole on pressure control function plug-in unit A1 and pressure control function plug-in unit B2 insertion valve body, band pilot-operated type sequence
The control cover board 7 of valve function and the control cover board 8 of carry potential overflow valve function are separately mounted to the surface of control valve group;Superposing type filtering
Device 3 and proportional pressure valve 4 are installed on the control cover board 8 of carry potential overflow valve function;Pressure sensor 5 and pressure measuring tie-in 6 are pacified respectively
In control valve group;The signal output terminal of the pressure sensor 5 is electrically connected with the I/O terminal of controller.
In above preferred embodiment, the pressure control function plug-in unit A1 and pressure control function plug-in unit B2 are logical for Dg16
Diameter.
The precision of the superposing type filter 3 is 10 μm.
The proportional pressure valve 4 is Dg6 latus rectum, maximum working pressure 35MPa.
The range of the pressure sensor 5 is 0~40MPa.
In this patent, controller exports according to the collected pressure signal of pressure sensor and controls energy saving protecting against shock
The control signal of pump;It is linear relationship between above-mentioned pressure signal and control signal;The i.e. described energy saving protecting against shock pump discharge control
System realizes the stepless adjustable of pump discharge pressure by the ratio pressure regulation in proportional pressure valve range.
Above-mentioned multiple electronic component integrations control in a control valve group for pump discharge.
Working principle of the utility model is:
The system reaches the control cover board 7 with guide type sequence valve function by the scaling signal of control proportional pressure valve 4
The Dg16 latus rectum pressure control that the Dg16 latus rectum pressure control function plug-in unit 1 of control and the control cover board 8 of carry potential overflow valve function control
Switching between feature card 2 processed, and then realize the idle loop (P → T) and main system supply (P → A) of pumping source flow, when hydraulic
Medium supplies main system, when the high frequency sound proportional valve control system of arrival skin drawing machine does velocity close-loop control, if pumped out
A higher and fixed pressure value is arranged in mouth valve block, since the opening of high frequency sound proportioning valve controls, will cause and builds the pressure, pump out
Mouth pressure can be increased sharply, and the hydraulic power of generation may be such that the opening of high frequency sound direction valve reduces, or even generate opposite direction
Movement.But when the pressure control function plug-in unit of pump discharge is changed to be controlled by proportional pressure valve (system pressure regulating range 5-25MPa)
When system pressure, proportional pressure valve can be made to do stepless voltage regulation according to system pressure at any time, the generation of high frequency sound proportioning valve is avoided to suppress
Phenomenon is pressed, influence of the hydraulic power to the hydraulic electrical-mechanical closed-loop control of skin drawing is prevented, and reduce energy consumption and system noise, mentions
The pressure closed loop of high skin drawing hydraulic press controls precision.
Embodiment described above is merely to illustrate the technical idea and feature of the utility model, and its object is to make ability
Technical staff in domain, cannot be only practical to limit with the present embodiment it will be appreciated that the content of the utility model and implement accordingly
Novel the scope of the patents, i.e., same changes or modifications made by the revealed spirit of all the utility model, it is practical new still to fall in this
In the scope of the patents of type.
Claims (5)
1. a kind of energy saving protecting against shock pump discharge control system of skin drawing hydraulic press, including control energy saving protecting against shock pump work shape
The controller of state;The controller is embedded in linear feedback system;It is characterized in that, at least further include: pressure control function is inserted
Part A (1), pressure control function plug-in unit B (2), superposing type filter (3), proportional pressure valve (4), the pressure for measuring pump discharge pressure
Force snesor (5), pressure measuring tie-in (6), the control cover board (7) with guide type sequence valve function and carry potential overflow valve function control lid
Plate (8);Wherein:
Insert hole on pressure control function plug-in unit A (1) and pressure control function plug-in unit B (2) insertion valve body, band pilot-operated type sequence
The control cover board (7) of valve function and the control cover board (8) of carry potential overflow valve function are separately mounted to the surface of control valve group;Superposing type
Filter (3) and proportional pressure valve (4) are installed on the control cover board (8) of carry potential overflow valve function;Pressure sensor (5) and survey pressure
Connector (6) is separately mounted in control valve group;The signal output terminal of the pressure sensor (5) and the I/O terminal of controller
Electrical connection.
2. the energy saving protecting against shock pump discharge control system of skin drawing hydraulic press according to claim 1, which is characterized in that
The pressure control function plug-in unit A (1) and pressure control function plug-in unit B (2) are Dg16 latus rectum.
3. the energy saving protecting against shock pump discharge control system of skin drawing hydraulic press according to claim 1, which is characterized in that
The precision of the superposing type filter (3) is 10 μm.
4. the energy saving protecting against shock pump discharge control system of skin drawing hydraulic press according to claim 1, which is characterized in that
The proportional pressure valve (4) is Dg6 latus rectum, maximum working pressure 35MPa.
5. the energy saving protecting against shock pump discharge control system of skin drawing hydraulic press according to claim 1, which is characterized in that
The range of the pressure sensor (5) is 0~40MPa.
Priority Applications (1)
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CN201821161776.1U CN208634120U (en) | 2018-07-18 | 2018-07-18 | The energy saving protecting against shock pump discharge control system of skin drawing hydraulic press |
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CN201821161776.1U CN208634120U (en) | 2018-07-18 | 2018-07-18 | The energy saving protecting against shock pump discharge control system of skin drawing hydraulic press |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112594239A (en) * | 2020-12-24 | 2021-04-02 | 天津市天锻压力机有限公司 | Hydraulic control system for jaw of skin stretching hydraulic machine |
-
2018
- 2018-07-18 CN CN201821161776.1U patent/CN208634120U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112594239A (en) * | 2020-12-24 | 2021-04-02 | 天津市天锻压力机有限公司 | Hydraulic control system for jaw of skin stretching hydraulic machine |
CN112594239B (en) * | 2020-12-24 | 2022-07-01 | 天津市天锻压力机有限公司 | Hydraulic control system for jaw of skin stretching hydraulic machine |
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