CN212584066U - Proportion release controlling means of aluminium alloy extruder - Google Patents
Proportion release controlling means of aluminium alloy extruder Download PDFInfo
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- CN212584066U CN212584066U CN202020911338.3U CN202020911338U CN212584066U CN 212584066 U CN212584066 U CN 212584066U CN 202020911338 U CN202020911338 U CN 202020911338U CN 212584066 U CN212584066 U CN 212584066U
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Abstract
The utility model discloses a proportional pressure relief control device of an aluminum profile extruder, which comprises a main cylinder, two side cylinders, a pressure detection assembly and a control valve group, wherein the control valve group comprises a proportional valve, a first cartridge valve and a second cartridge valve; the pressure detection assembly is respectively connected with the main cylinder and the side cylinder and is used for detecting the real-time pressure of the main cylinder and the side cylinder; the proportional valve is connected with the side cylinder and used for pressure relief of the side cylinder, and the proportional valve is also connected with the main cylinder through a second cartridge valve and used for pressure relief of the main cylinder; the first cartridge valve is connected with the side cylinder and connected with the main cylinder through the second cartridge valve, and is used for pressure relief of the main cylinder and the side cylinder. Adopt the utility model discloses, the release process of ability accurate control aluminium alloy extruder reduces hydraulic shock, improves the fluid quality, improves hydraulic system's job stabilization nature.
Description
Technical Field
The utility model relates to an aluminium alloy extruder technical field especially relates to a proportion release control device of aluminium alloy extruder.
Background
As shown in fig. 1, the conventional aluminum profile extruding machine has a main cylinder 1 'and two side cylinders 2'. In the pressure relief phase, the main cylinder 1 'and the two side cylinders 2' are simultaneously relieved. During pressure relief, the main cylinder 1 'is relieved through the cartridge valves 4' and 3 ', and the two side cylinders 2' are relieved simultaneously with the main cylinder 1 'through the cartridge valves 4'. Wherein, the pilot control oil path of the cartridge valve 4 'is provided with a one-way throttle valve 5', and a user can adjust the opening speed of the cartridge valve 4 'by manually adjusting the opening degree of the one-way throttle valve 5', namely, the adjustment of the pressure relief speed can be realized.
Therefore, the pressure relief control of the aluminum profile extruding machine has been successfully applied to the aluminum profile extruding machine, but the pressure relief control has the following disadvantages:
(1) when the pressure relief speed needs to be adjusted, the opening of the one-way throttle valve needs to be manually adjusted, so that the pressure relief speed is difficult to accurately control and inconvenient to operate.
(2) The main cylinder stroke of the aluminum profile extruder is large, and the oil filling amount is large; if the pressure relief speed is too high, the vibration of the rack and the oil pipe is large during pressure relief, the noise is large, the oil is seriously rolled, the liquid filling quality is influenced, and the working stability of a hydraulic system is influenced; if the pressure relief speed is too slow, the non-extrusion time is prolonged, and the production efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a simple structure's proportion release controlling means of aluminium alloy extruder is provided, hydraulic system's job stabilization nature can be improved.
In order to solve the technical problem, the utility model provides a proportional pressure relief control device of an aluminum profile extruder, which comprises a main cylinder, two side cylinders, a pressure detection assembly and a control valve group, wherein the control valve group comprises a proportional valve, a first cartridge valve and a second cartridge valve; the pressure detection assembly is respectively connected with the main cylinder and the side cylinder and is used for detecting the real-time pressure of the main cylinder and the side cylinder; the proportional valve is connected with the side cylinder and used for pressure relief of the side cylinder, and the proportional valve is also connected with the main cylinder through the second cartridge valve and used for pressure relief of the main cylinder; the first cartridge valve is connected with the side cylinder and connected with the main cylinder through the second cartridge valve, and is used for pressure relief of the main cylinder and the side cylinder.
As an improvement of the scheme, the proportional pressure relief control device of the aluminum profile extruding machine further comprises a PLC (programmable logic controller) connected with the control valve bank, and the PLC is used for adjusting a pressure relief curve of the aluminum profile extruding machine.
As an improvement of the above scheme, the cartridge valve group further comprises a filter connected with the proportional valve, and the filter is used for filtering pilot control pressure oil of the proportional valve.
As an improvement of the above scheme, the pressure detection assembly comprises a main pressure sensor and an auxiliary pressure sensor; the main pressure sensor is connected with the main cylinder and used for detecting the real-time pressure of the main cylinder; and the auxiliary pressure sensor is connected with the side cylinder and is used for detecting the real-time pressure of the side cylinder.
As an improvement of the scheme, the pressure detection assembly further comprises a pressure switch connected with the main cylinder, and when the real-time pressure of the main cylinder exceeds the set pressure of the pressure switch, the aluminum profile extruding machine alarms and stops.
As an improvement of the scheme, the pressure detection assembly further comprises a pressure gauge connected with the master cylinder, and the pressure gauge is used for displaying the real-time pressure of the master cylinder.
As an improvement of the above scheme, the cartridge valve group further comprises a group of third cartridge valves, and the third cartridge valves are used for controlling the movement direction and pressurization of the main cylinder and the side cylinders.
The utility model discloses combine together master cylinder, side jar, pressure measurement subassembly and valve unit to form the proportion release controlling means of aluminium alloy extruder, specifically, implement the beneficial effects of the utility model reside in that:
the utility model replaces the existing one-way throttle valve and cartridge valve with the proportional valve, so that the proportional valve can be opened according to the preset opening and gradient, the impact of the frame and the pipeline during pressure relief can be effectively reduced, the noise is reduced, and the rolling of oil is reduced;
meanwhile, the utility model also introduces a PLC controller, so that a user can set a pressure relief control curve of the aluminum profile extruder on the PLC controller according to the process requirements of the aluminum profile extruder, thereby accurately controlling the pressure relief process of the aluminum profile extruder, reducing hydraulic impact, improving the oil quality and improving the working stability of a hydraulic system;
additionally, the utility model discloses still combine the real-time pressure of pressure measurement subassembly to the master cylinder to detect. When the real-time pressure of the main cylinder is reduced to a pressure set value of a pressure relief stage conversion point, the proportional valve is completely opened, the first cartridge valve is opened, the pressure of the first cartridge valve and the proportional valve is relieved at the same time, and therefore the pressure relief speed is accelerated; when the real-time pressure of the main cylinder exceeds the set value of the pressure switch, the aluminum profile extruding machine alarms and stops, and the safety of the aluminum profile extruding machine is guaranteed.
Drawings
FIG. 1 is a pressure relief control device of a conventional aluminum profile extruder;
fig. 2 is a schematic structural diagram of a first embodiment of the proportional pressure relief control device of the aluminum profile extruder of the present invention;
fig. 3 is a schematic structural diagram of a second embodiment of the proportional pressure relief control device of the aluminum profile extruder.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 2, fig. 2 shows the first embodiment of the proportional pressure relief control device of the aluminum profile extruding machine of the present invention, which comprises a main cylinder 1, two side cylinders 2, a pressure detecting assembly Q and a control valve set, wherein the control valve set comprises a proportional valve 4, a first cartridge valve 6 and a second cartridge valve 3. Specifically, the method comprises the following steps:
the pressure detection component Q is respectively connected with the main cylinder 1 and the side cylinder 2 and is used for detecting the real-time pressure of the main cylinder 1 and the side cylinder 2;
the proportional valve 4 is connected with the side cylinder 2 and used for pressure relief of the side cylinder 2; the proportional valve 4 is also connected with the master cylinder 1 through the second cartridge valve 3 and used for pressure relief of the master cylinder 1;
the first cartridge valve 6 is connected to the side cylinder 2 and to the main cylinder 1 via the second cartridge valve 3, for pressure relief of the main cylinder 1 and the side cylinder 2.
In the pressure relief stage of the aluminum profile extruder, when pressure relief is started, pressure can be relieved through the proportional valve 4, the proportional valve 4 is opened according to the preset opening and gradient, impact of a rack and a pipeline during pressure relief can be effectively reduced, noise is reduced, and oil rolling is reduced; the pressure detection component Q detects the real-time pressure of the main cylinder 1, when the pressure of the main cylinder 1 is reduced to a pressure set value of a pressure relief stage conversion point, the proportional valve 4 is fully opened, the first cartridge valve 6 is opened, the pressure of the first cartridge valve 6 and the pressure of the proportional valve 4 are simultaneously relieved, and therefore the pressure relief speed is accelerated.
Therefore, the utility model discloses can be according to the technology demand of aluminium alloy extruder, make proportional valve 4 open according to predetermined aperture and open the valve gradient, the release process of accurate control aluminium alloy extruder reduces the hydraulic shock when the release, and the vibration of frame and pipeline when reducing the release, noise abatement reduces fluid and rolls, improves fluid quality, improves hydraulic system's job stabilization nature.
Correspondingly, the proportional pressure relief control device of the aluminum profile extruder further comprises a PLC (programmable logic controller) connected with the control valve group, and the PLC is used for adjusting a pressure relief curve of the aluminum profile extruder, so that the opening speed and the opening degree of the proportional valve are controlled, and the pressure relief speed of the aluminum profile extruder is controlled. Preferably, the model of the PLC control is 6ES 7516-3 AN00-0AB0, but not limited to the model, and the PLC control can be selected by a user according to actual conditions.
Therefore, in the pressure relief stage of the aluminum profile extruder, the pressure relief control curve of the aluminum profile extruder (including the set opening of the proportional valve 4 during pressure relief, the set valve opening gradient of the proportional valve 4 and the pressure set value of the main cylinder 1 at the switching point of the pressure relief stage) can be set on the PLC controller according to the process requirements of the aluminum profile extruder. When pressure relief is started, pressure is relieved only through the proportional valve 4, and the proportional valve 4 is opened according to the set opening and the set valve opening gradient given by the PLC; when the pressure of the main cylinder 1 is reduced to a pressure set value of a pressure relief stage conversion point, the proportional valve 4 is fully opened, the first cartridge valve 6 is opened, the pressure of the first cartridge valve 6 and the pressure of the proportional valve 4 are simultaneously relieved, and therefore the pressure relief speed is increased.
Further, the cartridge valve group further comprises a group of third cartridge valves 11, and the third cartridge valves are used for controlling the movement direction and pressurization of the main cylinder and the side cylinders.
Correspondingly, the cartridge valve group further comprises a filter 5 connected with the proportional valve 4, and the filter 5 is used for filtering pilot control pressure oil of the proportional valve 4 and ensuring stable operation of the proportional valve 4.
Referring to fig. 3, fig. 3 shows a second embodiment of the proportional pressure relief control device of the aluminum profile extruding machine of the present invention, which is different from the first embodiment shown in fig. 2 in that, in this embodiment, the pressure detecting assembly Q includes a main pressure sensor and 9 auxiliary pressure sensors 10; the main pressure sensor 9 is connected with the main cylinder 1 and used for detecting the real-time pressure of the main cylinder 1, so that the flexible switching of a pressure relief stage is realized; the secondary pressure sensor 10 is connected to the side cylinder 2 and is configured to detect a real-time pressure of the side cylinder 2.
Further, the pressure detection component Q further comprises a pressure switch 8 connected with the master cylinder 1 and a pressure gauge 7 connected with the master cylinder 1; when the real-time pressure of the main cylinder 1 exceeds the set pressure of the pressure switch 8, the aluminum profile extruding machine alarms and stops; the pressure gauge 7 is used for displaying the real-time pressure of the master cylinder 1.
It should be noted that, when the main pressure sensor 9 detects that the real-time pressure of the master cylinder 1 drops to the pressure set value at the pressure relief stage transition point, the proportional valve 4 is fully opened and the first cartridge valve 6 is opened; meanwhile, when the main pressure sensor 9 detects that the real-time pressure of the main cylinder 1 exceeds the set value of the pressure switch 8, the aluminum profile extruding machine alarms and stops.
To sum up, the utility model discloses combine together master cylinder 1, side jar 2, pressure measurement subassembly Q and valve unit to form the proportion release controlling means of aluminium alloy extruder, specifically, implement the beneficial effects of the utility model reside in that:
the utility model replaces the existing one-way throttle valve and cartridge valve with the proportional valve 4, so that the proportional valve 4 can be opened according to the preset opening and gradient, the impact of the frame and the pipeline during pressure relief can be effectively reduced, the noise is reduced, and the rolling of oil is reduced;
meanwhile, the utility model also introduces a PLC controller, so that a user can set a pressure relief control curve of the aluminum profile extruder on the PLC controller according to the process requirements of the aluminum profile extruder, thereby accurately controlling the pressure relief process of the aluminum profile extruder, reducing hydraulic impact, improving the oil quality and improving the working stability of a hydraulic system;
additionally, the utility model discloses still combine pressure detection subassembly Q to detect the real-time pressure of master cylinder 1. When the real-time pressure of the main cylinder 1 is reduced to a pressure set value of a pressure relief stage conversion point, the proportional valve 4 is completely opened, the first cartridge valve 6 is opened, the pressure of the first cartridge valve 6 and the pressure of the proportional valve 4 are relieved simultaneously, and therefore the pressure relief speed is accelerated; when the real-time pressure of the main cylinder 1 exceeds the set value of the pressure switch 8, the aluminum profile extruding machine alarms and stops, and the safety of the aluminum profile extruding machine is guaranteed.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many modifications and decorations can be made without departing from the principle of the invention, and these modifications and decorations are also regarded as the protection scope of the present invention.
Claims (7)
1. The proportional pressure relief control device of the aluminum profile extruder is characterized by comprising a main cylinder, two side cylinders, a pressure detection assembly and a control valve bank, wherein the control valve bank comprises a proportional valve, a first cartridge valve and a second cartridge valve;
the pressure detection assembly is respectively connected with the main cylinder and the side cylinder and is used for detecting the real-time pressure of the main cylinder and the side cylinder;
the proportional valve is connected with the side cylinder and used for pressure relief of the side cylinder, and the proportional valve is also connected with the main cylinder through the second cartridge valve and used for pressure relief of the main cylinder;
the first cartridge valve is connected with the side cylinder and connected with the main cylinder through the second cartridge valve, and is used for pressure relief of the main cylinder and the side cylinder.
2. The proportional pressure relief control device for an aluminum profile extruder as claimed in claim 1, further comprising a PLC controller connected to the control valve block, the PLC controller being configured to adjust a pressure relief curve of the aluminum profile extruder.
3. The proportional pressure relief control device of an aluminum profile extruder as claimed in claim 1, wherein the control valve group further comprises a filter connected with the proportional valve, the filter being used for filtering pilot control pressure oil of the proportional valve.
4. The proportional pressure relief control device of an aluminum profile extruder as claimed in claim 1, wherein the pressure detection assembly comprises a primary pressure sensor and a secondary pressure sensor;
the main pressure sensor is connected with the main cylinder and used for detecting the real-time pressure of the main cylinder;
and the auxiliary pressure sensor is connected with the side cylinder and is used for detecting the real-time pressure of the side cylinder.
5. The proportional pressure relief control device of an aluminum profile extruding machine as claimed in claim 4, wherein the pressure detection assembly further comprises a pressure switch connected with the main cylinder, and when the real-time pressure of the main cylinder exceeds the set pressure of the pressure switch, the aluminum profile extruding machine alarms and stops.
6. The proportional pressure relief control device of an aluminum profile extruding machine as claimed in claim 4, wherein the pressure detection assembly further comprises a pressure gauge connected with the main cylinder, and the pressure gauge is used for displaying the real-time pressure of the main cylinder.
7. The proportional pressure relief control device for an aluminum profile extruder as claimed in claim 1, wherein the control valve set further comprises a set of third cartridge valves for controlling the movement direction and pressurization of the main cylinder and the side cylinders.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020911338.3U CN212584066U (en) | 2020-05-26 | 2020-05-26 | Proportion release controlling means of aluminium alloy extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020911338.3U CN212584066U (en) | 2020-05-26 | 2020-05-26 | Proportion release controlling means of aluminium alloy extruder |
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| Publication Number | Publication Date |
|---|---|
| CN212584066U true CN212584066U (en) | 2021-02-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202020911338.3U Active CN212584066U (en) | 2020-05-26 | 2020-05-26 | Proportion release controlling means of aluminium alloy extruder |
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| CN (1) | CN212584066U (en) |
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2020
- 2020-05-26 CN CN202020911338.3U patent/CN212584066U/en active Active
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