CN213598285U - Hydraulic pressurization system for masonry forming - Google Patents
Hydraulic pressurization system for masonry forming Download PDFInfo
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- CN213598285U CN213598285U CN202022416831.0U CN202022416831U CN213598285U CN 213598285 U CN213598285 U CN 213598285U CN 202022416831 U CN202022416831 U CN 202022416831U CN 213598285 U CN213598285 U CN 213598285U
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Abstract
The utility model discloses a hydraulic pressure boost system for masonry, including hydraulic control valve, first booster, the second booster, balanced valve and check valve, first booster oil return T1 and second booster oil return T2 are connected, first booster high pressure hydraulic fluid port HP1 is connected through tee bend pipeline HP with second booster high pressure hydraulic fluid port HP2, hydraulic control valve's first hydraulic fluid port e respectively with first booster, second booster oil inlet is connected, second hydraulic fluid port d respectively with first booster oil return T2, balanced valve and check valve oil-out are connected, balanced valve and check valve oil inlet are connected through tee bend pipeline an. The utility model discloses hydraulic pressure charging system for the brickwork shaping simple structure, the installation maintenance of being convenient for can be high-pressure oil with the low-pressure oil pressure boost, satisfies the high-pressure demand in the brickwork shaping, has reduced brickwork manufacturing cost.
Description
Technical Field
The utility model belongs to the technical field of hydraulic system, a hydraulic pressure charging system is used in masonry shaping is related to.
Background
In the masonry forming process, in order to ensure the quality of masonry and enable the masonry to have higher density, a high-pressure system is needed to improve larger pressure for a pressure head to assist in forming the masonry. At present, a high-pressure system used in masonry forming is complex in structure, a large number of hydraulic devices and pipelines are needed, manufacturing cost is high, installation is complex, and maintenance difficulty is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a hydraulic pressure charging system is used in brickwork shaping has solved the complicated problem of high-pressure system structure in the current brickwork shaping.
The utility model provides a technical scheme who adopts is, a hydraulic pressure charge system for masonry shaping, including hydraulic control valve, first booster, the second booster, balanced valve and check valve, first booster oil return T1 and second booster oil return T2 are connected, first booster high pressure hydraulic fluid port HP1 is connected through tee bend pipeline HP with second booster high pressure hydraulic fluid port HP2, hydraulic control valve's first hydraulic fluid port e respectively with first booster, second booster oil inlet is connected, second hydraulic fluid port d respectively with first booster oil return T2, balanced valve and check valve oil-out are connected, balanced valve and check valve oil inlet are connected through tee bend pipeline an.
The utility model is also characterized in that,
a first flow valve is arranged between the hydraulic control valve and the first supercharger oil inlet.
And a second flow valve is arranged between the hydraulic control valve and the oil inlet of the second supercharger.
The hydraulic control valve is a bidirectional control valve and comprises an electromagnet DCT1 and an electromagnet DCT 2.
The hydraulic control valve further includes a third port PdAnd a fourth port TdThe electromagnet DCT1 is positioned at the third oil port PdBetween the first oil port e and the electromagnet DCT2 positioned at the fourth oil port TdAnd a second port d.
The check valve is a double-hydraulic control check valve, and a control oil port Y is arranged on the check valve.
The beneficial effects of the utility model are that, through the hydraulic pressure charging system that hydraulic control valve, first booster, second booster, balanced valve and check valve are constituteed, simple structure, the installation maintenance of being convenient for can be the high-pressure oil with the low-pressure oil pressure boost, satisfies the high pressure demand in the brickwork shaping, makes the product density of high pressure presswork higher, has promoted product quality, has reduced brickwork manufacturing cost.
Drawings
Fig. 1 is the structural schematic diagram of the pressurization system for masonry molding of the present invention.
In the figure, 1 is a rodless cavity, 2 is a rod cavity, 3 is a fixed frame, 4 is a cylinder rod, 5 is a pressure head, 15 is a liquid charging tank, 16 is a liquid charging valve, 17 is a main oil cylinder, 18 is a balance valve, 19 is a one-way valve, 20 is a first pressure booster, 21 is a second pressure booster, 22 is a second flow valve, 23 is a first flow valve, and 24 is a hydraulic control valve.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The utility model relates to a hydraulic pressure boost system for masonry, refer to fig. 1, including hydraulic control valve 24, first booster 20, second booster 21, balanced valve 18 and check valve 19, first booster 20 oil return T1 and second booster 21 oil return T2 are connected, first booster 20 high pressure oil port HP1 is connected through a tee bend pipeline HP with second booster 21 high pressure oil port HP2, the free nose end of this tee bend pipeline HP is used for being connected with the high pressure oil port of master cylinder 17, this high pressure oil port switches on with the inside rodless chamber 1 of master cylinder.
The hydraulic control valve 24 has four ports, i.e., a first port e, a second port d, and a third port PdAnd a fourth port TdA first oil port e and a second oil port eThree oil ports PdOppositely arranged, a second oil port d and a fourth oil port TdOppositely arranged, the hydraulic control valve 24 is a bidirectional control valve and comprises an electromagnet DCT1 and an electromagnet DCT2, and the electromagnet DCT1 is used for controlling the first oil port e and the third oil port PdThe electromagnet DCT2 is used for controlling the second oil port d and the fourth oil port TdMake and break of (2).
The hydraulic control valve (hydraulic valve for short) has the function in a hydraulic system of controlling and regulating the flow direction, pressure and flow rate of oil in the hydraulic system, so that an actuator and a working mechanism driven by the actuator obtain required movement direction, thrust (torque), movement speed (rotating speed) and the like.
The first oil port e of the hydraulic control valve 24 is respectively connected with oil inlets of the first supercharger 20 and the second supercharger 21, the second oil port d is respectively connected with oil outlets of an oil return port T2 of the first supercharger 20, the balance valve 18 and the check valve 19, oil inlets of the balance valve 18 and the check valve 19 are connected through a three-way pipeline a, a free pipe port end of the three-way pipeline a is a low-pressure oil port which is used for being connected with a low-pressure oil port of the main oil cylinder 17, and the low-pressure oil port is communicated with the rod cavity 2 in the main oil cylinder.
The cylinder body of the main oil cylinder 17 is arranged on a fixed frame 3 of the masonry forming machine, the end part of a cylinder rod 4 of the main oil cylinder is connected with a pressure head 5, and the pressure head 5 is driven to move up and down. A liquid filling valve 16 is connected between the main oil cylinder 17 and the liquid filling oil tank 15, and the liquid filling valve 16 is used for controlling the oil inlet process of the main oil cylinder 17.
Third port P of hydraulic control valve 24dAnd a fourth port TdThe low-pressure system is used for being connected with the low-pressure system and supplying low-pressure oil to the pressurization system.
A first flow valve 23 is arranged between the hydraulic control valve 24 and the oil inlet of the first supercharger 20. And a second flow valve 22 is arranged between the hydraulic control valve 24 and the oil inlet of the second supercharger 21.
The check valve 19 is a double-hydraulic control check valve, a control oil port Y is arranged on the check valve 19, and the control oil port Y and an oil outlet of the check valve 19 are located on the same side.
The specific model of the first supercharger and the second supercharger used in the embodiment is BST-MY-3.4F, the model of the hydraulic control valve 24 is DSHG-06-3C2-D24-N1-51, the model of the balance valve 18 is DBDH20P10/31.5, and the model of the check valve 19 is SL30PA 2-L4X.
Use the utility model relates to a when masonry is with hydraulic pressure charging system, earlier through third hydraulic fluid port PdAnd a fourth port TdThe hydraulic control valve 24 is connected with the low-pressure system, the control oil port Y of the check valve 19 is connected with the low-pressure system through the control oil path Y, and finally the liquid charging valve 16 is connected with the low-pressure system through the control oil path C, so that the low-pressure system provides control oil for the main oil cylinder 17. In addition, the free pipe orifice end of the three-way pipeline HP is connected with a high-pressure oil port of the main oil cylinder 17, and the free pipe orifice end of the three-way pipeline a is connected with a low-pressure oil port of the main oil cylinder 17, so that the connection of a hydraulic system of the main oil cylinder 17 is completed.
In the brick forming process, the electromagnet DCT1 is electrified, and the first oil port e and the third oil port PdOpened, the low pressure oil of the low pressure system is from the third port PdThe hydraulic oil enters the hydraulic control valve 24, enters the first pressure booster 20 and the second pressure booster 21 through the first oil port e, the hydraulic oil pressurized by the two pressure boosters is output from the tee pipe HP, enters the rodless cavity of the main oil cylinder through the high-pressure oil port of the main oil cylinder 17, pushes the cylinder rod to move downwards, the pressure in the rodless cavity is reduced in the cylinder rod descending process (because the volume of the rodless cavity is gradually increased and the required hydraulic oil quantity is gradually increased when the cylinder rod descends, and the low-pressure system cannot provide different hydraulic oil quantities required by the rodless cavity of the main oil cylinder 17 in real time, so that the pressure in the rodless cavity of the main oil cylinder 17 is reduced), at the moment, the liquid filling valve 16 is opened, the hydraulic oil tank 15 assists in providing the hydraulic oil required by the rodless cavity of the main oil cylinder 17, so that the cylinder rod can quickly descend, and the pressure head.
When the pressure head moves down to the target position, the control oil supplied to the control oil way Y by the low-pressure system is cut off, and the hydraulic control one-way valve 19 is closed under the action of the internal structure of the hydraulic control one-way valve. At this time, the hydraulic oil in the rod chamber of the main cylinder 17 enters the balance valve 18 through the low pressure oil port, then enters the hydraulic control valve 24 through the pipeline b, the pipeline d and the second oil port d in sequence, and finally passes through the fourth oil port T of the hydraulic control valve 24dInto a low-pressure system and then through the low-pressure systemThe oil return pipeline of the system enters the oil tank. When hydraulic oil in the rod cavity enters the low-pressure system, the descending speed of the cylinder rod is reduced, the pressure in the rodless cavity of the main oil cylinder 17 is increased, so that the liquid filling valve is closed, the hydraulic oil in the rodless cavity of the main oil cylinder 17 is completely from the hydraulic oil provided by the low-pressure system, and through the pressurization effect of the first supercharger and the second supercharger, high-pressure hydraulic oil enters the rodless cavity of the main oil cylinder from the high-pressure oil port, so that the actions of quick descending and slow high-pressure molding of the pressure head are completed.
When the cylinder rod of the main oil cylinder 17 needs to move upwards, the electromagnet DCT1 of the hydraulic control valve 24 is powered off, the electromagnet DCT2 is powered on, the low-pressure system supplies control oil to the control oil path C, the liquid charging valve 16 is opened, most of hydraulic oil in the rodless cavity of the main oil cylinder 17 quickly enters the liquid charging oil tank 15, the rest small amount of hydraulic oil enters the first pressure increasing valve and the second pressure increasing valve through the high-pressure oil port, and finally passes through the fourth oil port T of the hydraulic control valve 24dEnters a low-pressure system and returns to the oil tank. Then, the electromagnet DCT1 of the hydraulic control valve 24 is energized, and the hydraulic oil of the low pressure system passes through the third port PdEnters the hydraulic control valve 24 and then enters the rod cavity of the main oil cylinder 17 through the second oil port d, the check valve 19 and the low pressure oil port in sequence, so that the cylinder rod of the main oil cylinder 17 is driven to move upwards, and the pressure head is driven to move upwards together.
When the low-pressure oil enters the first supercharger and the second supercharger, the low-pressure oil of the low-pressure system also enters the check valve 19 through the control oil way Y, the check valve 19 is opened, so that the hydraulic oil in the rod cavity of the main oil cylinder 17 can sequentially pass through the low-pressure oil port, the check valve 19 and the hydraulic control valve 24, and then the hydraulic oil passes through the fourth oil port TdAnd entering a low-pressure system, and finally entering an oil tank through the low-pressure system.
Claims (6)
1. The hydraulic pressurization system for masonry forming is characterized by comprising a hydraulic control valve (24), a first pressurizer (20), a second pressurizer (21), a balance valve (18) and a check valve (19), wherein an oil return port T1 of the first pressurizer (20) is connected with an oil return port T2 of the second pressurizer (21), a high-pressure oil port HP1 of the first pressurizer (20) is connected with a high-pressure oil port HP2 of the second pressurizer (21) through a tee pipeline HP, a first oil port e of the hydraulic control valve (24) is respectively connected with oil inlets of the first pressurizer (20) and the second pressurizer (21), a second oil port d is respectively connected with oil outlets of the oil return port T2 of the first pressurizer (20), the balance valve (18) and the check valve (19), and oil inlets of the balance valve (18) and the check valve (19) are connected through a tee pipeline a.
2. The hydraulic pressurization system for masonry formation according to claim 1, characterized in that a first flow valve (23) is arranged between the hydraulic control valve (24) and an oil inlet of the first pressurizer (20).
3. The hydraulic pressurization system for masonry formation according to claim 1, characterized in that a second flow valve (22) is arranged between the hydraulic control valve (24) and an oil inlet of the second pressurizer (21).
4. The hydraulic pressurization system for masonry molding according to claim 1, characterized in that the hydraulic control valve (24) is a two-way control valve comprising an electromagnet DCT1 and an electromagnet DCT 2.
5. The hydraulic pressurization system for masonry formation according to claim 4, characterized in that the hydraulic control valve (24) further comprises a third port PdAnd a fourth port TdThe electromagnet DCT1 is positioned at the third oil port PdBetween the first oil port e and the electromagnet DCT2 positioned at the fourth oil port TdAnd a second port d.
6. The hydraulic pressurization system for masonry molding according to claim 1, wherein the check valve (19) is a double hydraulic control check valve, and a control oil port Y is arranged on the check valve (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022416831.0U CN213598285U (en) | 2020-10-27 | 2020-10-27 | Hydraulic pressurization system for masonry forming |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022416831.0U CN213598285U (en) | 2020-10-27 | 2020-10-27 | Hydraulic pressurization system for masonry forming |
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| CN213598285U true CN213598285U (en) | 2021-07-02 |
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| CN202022416831.0U Active CN213598285U (en) | 2020-10-27 | 2020-10-27 | Hydraulic pressurization system for masonry forming |
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