CN216278714U - Upper oil cylinder control system of double-pressure calender - Google Patents
Upper oil cylinder control system of double-pressure calender Download PDFInfo
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- CN216278714U CN216278714U CN202121918868.1U CN202121918868U CN216278714U CN 216278714 U CN216278714 U CN 216278714U CN 202121918868 U CN202121918868 U CN 202121918868U CN 216278714 U CN216278714 U CN 216278714U
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Abstract
The utility model discloses a feeding oil cylinder control system of a double-pressure calender, which comprises a main oil inlet pipeline, a rodless cavity oil inlet pipeline, a rod cavity oil inlet pipeline, a left rod cavity oil inlet pipeline, a right rod cavity oil inlet pipeline, a left oil cylinder rodless cavity oil inlet pipeline, a right oil cylinder rodless cavity oil inlet pipeline and an oil return pipeline; the outlet of the rodless cavity oil inlet pipeline is respectively communicated with the inlets of the left oil cylinder rodless cavity oil inlet pipeline and the right oil cylinder rodless cavity oil inlet pipeline through two synchronous valves, and the outlets of the left oil cylinder rodless cavity oil inlet pipeline and the right oil cylinder rodless cavity oil inlet pipeline are respectively communicated with the rodless cavities of the left oil cylinder and the right oil cylinder; and the oil inlet pipeline of the rodless cavity of the left oil cylinder and the oil inlet pipeline of the rodless cavity of the right oil cylinder are respectively provided with a proportional diaphragm valve. The utility model enables the pressure of the oil cylinders on the two sides of the upper path to be independently adjusted, thereby realizing the effect of uniform left and right thickness of the finished cloth.
Description
Technical Field
The utility model relates to an upper oil cylinder control system of a double-pressure calender.
Background
The conventional textile calender is of a single-press type, and is provided with a mirror roller and a soft roller from top to bottom. In the prior art, one-time rolling can be realized, and cloth generally needs to be pressed twice in the actual production process. In order to realize two-time roll pressing on one machine, the double-pressure calender is produced. However, in the existing pressurizing technology, the left oil cylinder and the right oil cylinder are used for simultaneously regulating pressure, and the pressure can not be regulated when the pressures on the two sides are inconsistent, so that the situation that one thickness measuring side of the produced cloth is thin can be caused. In order to achieve the effect of uniform left and right thickness of finished cloth, a new control system needs to be designed for the upper oil cylinder of the double-pressure calender.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an upper oil cylinder control system of a double-pressure calender, which realizes the effect of uniform left and right thickness of finished cloth.
The technical scheme for realizing the purpose of the utility model is as follows: the upper path oil cylinder control system of the double-pressure calender comprises a main oil inlet pipeline, a rodless cavity oil inlet pipeline, a rod cavity oil inlet pipeline, a left rod cavity oil inlet pipeline, a right rod cavity oil inlet pipeline, a left oil cylinder rodless cavity oil inlet pipeline, a right oil cylinder rodless cavity oil inlet pipeline and an oil return pipeline; the outlet of the main oil inlet pipeline, the inlets of the rodless cavity oil inlet pipeline, the rod cavity oil inlet pipeline and the oil return pipeline are communicated through a four-way electromagnetic valve; the outlet of the rodless cavity oil inlet pipeline is respectively communicated with the inlets of the left oil cylinder rodless cavity oil inlet pipeline and the right oil cylinder rodless cavity oil inlet pipeline through two synchronous valves, and the outlets of the left oil cylinder rodless cavity oil inlet pipeline and the right oil cylinder rodless cavity oil inlet pipeline are respectively communicated with the rodless cavities of the left oil cylinder and the right oil cylinder; the outlet of the oil inlet pipeline of the rod cavity is communicated with the inlets of the oil inlet pipeline of the left rod cavity and the oil inlet pipeline of the right rod cavity, and the outlets of the oil inlet pipeline of the left rod cavity and the oil inlet pipeline of the right rod cavity are respectively communicated with the rod cavities of the left oil cylinder and the right oil cylinder; an oil pump is arranged on the main oil inlet pipeline; and the oil inlet pipeline of the rodless cavity of the left oil cylinder and the oil inlet pipeline of the rodless cavity of the right oil cylinder are respectively provided with a proportional diaphragm valve.
Furthermore, a first one-way valve is arranged between the oil pump and the four-way electromagnetic valve in the main oil inlet pipeline.
Furthermore, an oil return pipeline is communicated between the first one-way valve of the main oil inlet pipeline and the oil pump through an overflow pipeline; and an overflow valve is arranged on the overflow pipeline.
Furthermore, the device also comprises a power-off protection pipeline; one end of the power-off protection pipeline is communicated with the main oil inlet pipeline, and the other end of the power-off protection pipeline is communicated with the rod cavity oil inlet pipeline.
Furthermore, a second one-way valve and an electromagnetic valve are sequentially arranged on the power-off protection pipeline along the direction from the main oil inlet pipeline to the rod cavity oil inlet pipeline, a pressure tank is communicated between the second one-way valve and the electromagnetic valve through a pipeline, and a manual valve is arranged at an outlet of the pressure tank.
Furthermore, pressure sensors are arranged on the left oil cylinder rodless cavity oil inlet pipeline and the right oil cylinder rodless cavity oil inlet pipeline.
Furthermore, pressure gauges are arranged on the left oil cylinder rodless cavity oil inlet pipeline and the right oil cylinder rodless cavity oil inlet pipeline.
Furthermore, a one-way throttle valve is arranged on each of the left rod cavity oil inlet pipeline and the right rod cavity oil inlet pipeline.
By adopting the technical scheme, the utility model has the following beneficial effects:
(1) the outlet of the rodless cavity oil inlet pipeline is respectively communicated with the inlets of the left oil cylinder rodless cavity oil inlet pipeline and the right oil cylinder rodless cavity oil inlet pipeline through two synchronous valves, and meanwhile, the proportional diaphragm valves are respectively arranged on the left oil cylinder rodless cavity oil inlet pipeline and the right oil cylinder rodless cavity oil inlet pipeline, so that the pressure of the oil cylinders on the two sides of the upper path can be independently adjusted, and the effect of uniform left and right thickness of finished cloth is further realized;
(2) according to the utility model, the first one-way valve is arranged between the oil pump and the four-way electromagnetic valve in the main oil inlet pipeline, so that oil can be fed in according to an appointed direction, and the backflow of hydraulic oil is avoided.
(3) According to the utility model, the first check valve of the main oil inlet pipeline and the oil pump are communicated with the oil return pipeline through the overflow pipeline, when the oil pressure in the oil cylinder is overlarge, the overflow valve on the overflow pipeline is opened, so that continuous pressurization can be stopped, and accidents caused by overlarge pressure in the pipeline are avoided.
(4) The dual-pressure calender is provided with the power-off protection pipeline, so that the safety of the whole pipeline can be enhanced, when power is suddenly cut off, all the electromagnetic valves stop working, the pressure tank releases pressure, and the hydraulic rod of the upper oil cylinder can retract, so that the upper press roll of the dual-pressure calender is ensured to be separated from the middle soft roll, and the service life of the soft roll is prolonged.
(5) According to the utility model, the oil inlet pipeline of the rodless cavity of the left oil cylinder and the oil inlet pipeline of the rodless cavity of the right oil cylinder are respectively provided with the pressure sensor, so that the oil pressure of the pipelines can be monitored in real time.
(6) The left oil cylinder rodless cavity oil inlet pipeline and the right oil cylinder rodless cavity oil inlet pipeline are respectively provided with the pressure gauge, so that the pipeline pressure can be observed conveniently in real time.
(7) The one-way throttle valves are arranged on the left rod cavity oil inlet pipeline and the right rod cavity oil inlet pipeline, so that the flow of hydraulic oil in the pipelines can be controlled conveniently.
Drawings
In order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description of the present disclosure taken in conjunction with the accompanying drawings, in which
FIG. 1 is a schematic structural diagram of the present invention.
The reference numbers in the drawings are:
the system comprises a main oil inlet pipeline 1, an oil pump 1-1, a first one-way valve 1-2, a four-way electromagnetic valve 1-3, a power-off protection pipeline 2, a second one-way valve 2-1, a manual valve 2-2, a pressure tank 2-3, an electromagnetic valve 2-4, a rodless cavity oil inlet pipeline 3, a rod cavity oil inlet pipeline 4, a left rod cavity oil inlet pipeline 5, a right rod cavity oil inlet pipeline 6, a left oil cylinder rodless cavity oil inlet pipeline 7, a right oil cylinder rodless cavity oil inlet pipeline 8, an oil return pipeline 9, a synchronous valve 10, a proportional diaphragm valve 11, an overflow pipeline 12, an overflow valve 13, a pressure sensor 14, a pressure gauge 15 and a one-way throttle valve 16.
Detailed Description
In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present invention, it should be understood that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships that are usually placed when the product of the present invention is used, or orientations or positional relationships that are conventionally understood by those skilled in the art, which are used for convenience of description and simplicity of description, but do not indicate or imply that the equipment or element in question must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
In the description of the embodiments of the present invention, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. The utility model is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
(example 1)
Referring to fig. 1, the upper oil cylinder control system of the dual-pressure calender and the upper oil cylinder control system of the dual-pressure calender in the present embodiment include a main oil inlet pipeline 1, a power-off protection pipeline 2, a rodless cavity oil inlet pipeline 3, a rod cavity oil inlet pipeline 4, a left rod cavity oil inlet pipeline 5, a right rod cavity oil inlet pipeline 6, a left oil cylinder rodless cavity oil inlet pipeline 7, a right oil cylinder rodless cavity oil inlet pipeline 8, an oil return pipeline 9, and an overflow pipeline 12.
An oil pump 1-1 is arranged on the main oil inlet pipeline 1. The outlet of the main oil inlet pipeline 1, and the inlets of the rodless cavity oil inlet pipeline 3, the rod cavity oil inlet pipeline 4 and the oil return pipeline 9 are communicated through four-way electromagnetic valves 1-3. In order to enable hydraulic oil to enter in a specified direction and avoid backflow of the hydraulic oil, a first one-way valve 1-2 is arranged between an oil pump 1-1 and a four-way electromagnetic valve 1-3 in a main oil inlet pipeline 1. The first one-way valve 1-2 of the main oil inlet pipeline 1 is communicated with the oil pump 1-1 through an overflow pipeline 12 to form an oil return pipeline 9. The overflow pipeline 12 is provided with an overflow valve 13, when the oil pressure in the oil cylinder is too high, the overflow valve 13 on the overflow pipeline 12 is opened, continuous pressurization can be stopped, and accidents caused by too high pressure in the pipeline are avoided.
One end of the power-off protection pipeline 2 is communicated with the main oil inlet pipeline 1, and the other end of the power-off protection pipeline is communicated with a rod cavity oil inlet pipeline 4. A second one-way valve 2-1 and an electromagnetic valve 2-4 are sequentially arranged on the power-off protection pipeline 2 along the direction from the main oil inlet pipeline 1 to the rod cavity oil inlet pipeline 4, a pressure tank 2-3 is communicated between the second one-way valve 2-1 and the electromagnetic valve 2-4 through a pipeline, and a manual valve 2-2 is arranged at the outlet of the pressure tank 2-3. The power-off protection pipeline 2 can enhance the safety of the whole pipeline, when power is suddenly cut off, all the electromagnetic valves stop working, the pressure tank 2-3 releases pressure, and the hydraulic rod of the oil cylinder on the upper path can retract, so that the separation of the upper compression roller and the middle soft roller of the double-pressure calender is ensured, and the service life of the soft roller is prolonged.
The outlet of the rodless cavity oil inlet pipeline 3 is respectively communicated with the inlets of the left oil cylinder rodless cavity oil inlet pipeline 7 and the right oil cylinder rodless cavity oil inlet pipeline 8 through two synchronous valves 10, and the outlets of the left oil cylinder rodless cavity oil inlet pipeline 7 and the right oil cylinder rodless cavity oil inlet pipeline 8 are respectively communicated with the rodless cavities of the left oil cylinder and the right oil cylinder. The outlet of the rod cavity oil inlet pipeline 4 is communicated with the inlets of the left rod cavity oil inlet pipeline 5 and the right rod cavity oil inlet pipeline 6, and the outlets of the left rod cavity oil inlet pipeline 5 and the right rod cavity oil inlet pipeline 6 are respectively communicated with the rod cavities of the left oil cylinder and the right oil cylinder. And a proportional diaphragm valve 11 is respectively arranged on the left oil cylinder rodless cavity oil inlet pipeline 7 and the right oil cylinder rodless cavity oil inlet pipeline 8. And a pressure sensor 14 and a pressure gauge 15 are arranged on the left oil cylinder rodless cavity oil inlet pipeline 7 and the right oil cylinder rodless cavity oil inlet pipeline 8. The pressure sensor 14 can monitor the oil pressure of the pipeline in real time, and the pressure gauge 15 is convenient for observing the pressure of the pipeline in real time. And the left rod cavity oil inlet pipeline 5 and the right rod cavity oil inlet pipeline 6 are both provided with one-way throttle valves 16, so that the flow of hydraulic oil in the pipelines can be conveniently controlled.
The outlet of the rodless cavity oil inlet pipeline 3 of the upper oil cylinder control system of the double-pressure calender of the embodiment is respectively communicated with the inlets of the left oil cylinder rodless cavity oil inlet pipeline 7 and the right oil cylinder rodless cavity oil inlet pipeline 8 through two synchronous valves 10, and meanwhile, the proportional diaphragm valves 11 are respectively arranged on the left oil cylinder rodless cavity oil inlet pipeline 7 and the right oil cylinder rodless cavity oil inlet pipeline 8, so that the pressures of the oil cylinders on the two sides of the upper part can be independently adjusted, and the effect of uniform and consistent left and right thicknesses of finished cloth is realized.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A control system of an oil cylinder on the upper path of a double-pressure calender is characterized in that: the system comprises a main oil inlet pipeline (1), a rodless cavity oil inlet pipeline (3), a rod cavity oil inlet pipeline (4), a left rod cavity oil inlet pipeline (5), a right rod cavity oil inlet pipeline (6), a left oil cylinder rodless cavity oil inlet pipeline (7), a right oil cylinder rodless cavity oil inlet pipeline (8) and an oil return pipeline (9); the outlet of the main oil inlet pipeline (1) and the inlets of the rodless cavity oil inlet pipeline (3), the rod cavity oil inlet pipeline (4) and the oil return pipeline (9) are communicated through a four-way electromagnetic valve (1-3); the outlet of the rodless cavity oil inlet pipeline (3) is respectively communicated with the inlets of a left oil cylinder rodless cavity oil inlet pipeline (7) and a right oil cylinder rodless cavity oil inlet pipeline (8) through two synchronous valves (10), and the outlets of the left oil cylinder rodless cavity oil inlet pipeline (7) and the right oil cylinder rodless cavity oil inlet pipeline (8) are respectively communicated with the rodless cavities of the left oil cylinder and the right oil cylinder; the outlet of the oil inlet pipeline (4) with the rod cavity is communicated with the inlets of the oil inlet pipeline (5) with the left rod cavity and the oil inlet pipeline (6) with the right rod cavity, and the outlets of the oil inlet pipeline (5) with the left rod cavity and the oil inlet pipeline (6) with the right rod cavity are respectively communicated with the rod cavities of the left oil cylinder and the right oil cylinder; an oil pump (1-1) is arranged on the main oil inlet pipeline (1); and a proportional diaphragm valve (11) is respectively arranged on the left oil cylinder rodless cavity oil inlet pipeline (7) and the right oil cylinder rodless cavity oil inlet pipeline (8).
2. The on-line cylinder control system of a dual pressure calender according to claim 1, characterized in that: a first one-way valve (1-2) is arranged between an oil pump (1-1) and a four-way electromagnetic valve (1-3) in the main oil inlet pipeline (1).
3. The on-line cylinder control system of a dual pressure calender according to claim 2, characterized in that: an oil return pipeline is communicated between the first one-way valve (1-2) of the main oil inlet pipeline (1) and the oil pump (1-1) through an overflow pipeline (12); an overflow valve (13) is arranged on the overflow pipeline.
4. The on-line cylinder control system of a dual pressure calender according to claim 1, characterized in that: the power-off protection device also comprises a power-off protection pipeline (2); one end of the power-off protection pipeline (2) is communicated with the main oil inlet pipeline (1), and the other end of the power-off protection pipeline is communicated with the rod cavity oil inlet pipeline (4).
5. The on-line cylinder control system of a dual pressure calender according to claim 4, characterized in that: a second one-way valve (2-1) and an electromagnetic valve (2-4) are sequentially arranged on the power-off protection pipeline (2) along the direction from the main oil inlet pipeline (1) to the rod cavity oil inlet pipeline (4), a pressure tank (2-3) is communicated between the second one-way valve (2-1) and the electromagnetic valve (2-4) through pipelines, and a manual valve (2-2) is arranged at an outlet of the pressure tank (2-3).
6. The on-line cylinder control system of a dual pressure calender according to claim 1, characterized in that: and the left oil cylinder rodless cavity oil inlet pipeline (7) and the right oil cylinder rodless cavity oil inlet pipeline (8) are respectively provided with a pressure sensor (14).
7. The on-line cylinder control system of a dual pressure calender according to claim 1, characterized in that: and pressure gauges (15) are arranged on the left oil cylinder rodless cavity oil inlet pipeline (7) and the right oil cylinder rodless cavity oil inlet pipeline (8).
8. The on-line cylinder control system of a dual pressure calender according to claim 1, characterized in that: and the left rod cavity oil inlet pipeline (5) and the right rod cavity oil inlet pipeline (6) are both provided with one-way throttle valves (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121918868.1U CN216278714U (en) | 2021-08-16 | 2021-08-16 | Upper oil cylinder control system of double-pressure calender |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121918868.1U CN216278714U (en) | 2021-08-16 | 2021-08-16 | Upper oil cylinder control system of double-pressure calender |
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| Publication Number | Publication Date |
|---|---|
| CN216278714U true CN216278714U (en) | 2022-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121918868.1U Active CN216278714U (en) | 2021-08-16 | 2021-08-16 | Upper oil cylinder control system of double-pressure calender |
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| CN (1) | CN216278714U (en) |
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2021
- 2021-08-16 CN CN202121918868.1U patent/CN216278714U/en active Active
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