CN213870487U - Long-time pressurizer of hydraulic press - Google Patents
Long-time pressurizer of hydraulic press Download PDFInfo
- Publication number
- CN213870487U CN213870487U CN202023125895.1U CN202023125895U CN213870487U CN 213870487 U CN213870487 U CN 213870487U CN 202023125895 U CN202023125895 U CN 202023125895U CN 213870487 U CN213870487 U CN 213870487U
- Authority
- CN
- China
- Prior art keywords
- valve
- way
- pipeline
- cartridge valve
- way cartridge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses a long-time pressurizer of a hydraulic press, which comprises an oil cylinder, a host, a first pipeline, a second pipeline and a third pipeline, wherein the first pipeline is formed by connecting a pressure sensor, a two-way cartridge valve, a pressure gauge, a two-position three-way electromagnetic ball valve, a two-position three-way electromagnetic valve, an energy accumulator, a stop valve, a one-way valve, a safety overflow valve, a two-way cartridge valve, an adjustable overflow valve and a two-way cartridge valve in sequence through pipelines, the second pipeline is formed by connecting a two-way cartridge valve, a three-way cartridge valve, a two-position three-way electromagnetic ball valve, a four-way cartridge valve and a three-way safety overflow valve in sequence through pipelines, the utility model effectively improves the pressure maintaining time of the hydraulic press, reduces the use cost and improves the yield, has simple structure, is easy to install, popularize and use, and has higher use rate, the yield of the punched products is increased, and the consumption energy is reduced.
Description
Technical Field
The utility model relates to a long-time pressurizer of hydraulic press.
Background
A hydraulic machine is a machine that uses liquid as a working medium to transfer energy to implement various processes. The hydraulic press can be used for forging and forming, straightening, press fitting, packing, pressing blocks, pressing plates and the like. Compared with the traditional stamping process, the hydroforming process has obvious technical and economic advantages in the aspects of reducing weight, reducing the number of parts and dies, improving rigidity and strength, reducing production cost and the like, and is increasingly applied in the industrial field.
When the existing hydraulic machine needs a pressure maintaining process for forming parts, a check valve is added by a high-pressure oil inlet pipeline to reduce oil return, and an oil pump is required to supplement oil at irregular time when long-time pressure maintaining is needed. The oil pump is used for oil supplement, so that the pressure of the press is higher or lower, and the yield of the stamping products is reduced; the consumption energy is increased, and the use cost is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects of the prior art, and providing a long-time pressurizer of a hydraulic machine, which is convenient to connect.
A long-time pressure maintaining device of a hydraulic machine comprises an oil cylinder, a host, a first pipeline, a second pipeline and a third pipeline, wherein the first pipeline is connected with the second pipeline, the third pipeline is connected with the first pipeline, the oil cylinder is connected with the host, the host is connected with the first pipeline, the first pipeline is sequentially connected through a pipeline by a pressure sensor, a two-way cartridge valve, a pressure gauge, a two-position three-way electromagnetic ball valve, a two-position three-way electromagnetic valve, an energy accumulator, a stop valve, a check valve, a safety overflow valve, a two-way cartridge valve, an adjustable overflow valve and a two-way cartridge valve, the second pipeline is sequentially connected through a pipeline by a one-way two-way cartridge valve, a three-way cartridge valve, a two-position three-way electromagnetic ball valve, a four-way two-way cartridge valve and a three-way safety overflow valve, the second pipeline is connected with the oil cylinder, the third pipeline is formed by a five-way two-way cartridge valve, a four-way safety overflow valve, a five-two-position four-way electromagnetic valve and an oil pump motor set which are sequentially connected through pipelines, a shuttle valve, a three-two-position four-way electromagnetic valve and a four-two-position four-way electromagnetic valve which are sequentially connected are arranged between the two-way cartridge valve and the one-two-way cartridge valve, a fourth pipeline connected with the two-way cartridge valve is arranged between the one-way two-way cartridge valve and the one-two-way cartridge valve, and the fourth pipeline is formed by a one-two-position four-way electromagnetic valve, a two-safety overflow valve, a two-position four-way electromagnetic valve and a two-adjustable overflow valve.
As a further improvement, the first two-way cartridge valve is a first two-way cartridge valve with a joint rod.
As a further improvement, the first two-way cartridge valve is a first two-way cartridge valve with a joint rod.
As a further improvement, the oil cylinder is provided with a time relay.
As a further improvement, the shuttle valve belongs to a straight stroke valve and is made of stainless steel.
As a further improvement, the oil pump motor set is connected with the lower cavity of the main cylinder.
Has the advantages that:
the utility model discloses effectively promoted the dwell time of hydraulic press, reduceed use cost and improved the yield, simple structure easily installs, promotes, uses, and the rate of utilization is higher, and the yield of punching press product increases, and the energy that consumes produces reduces.
Drawings
FIG. 1 is a schematic view of the overall structure of a long-time pressurizer of a hydraulic machine;
1. host 2, pipeline 3, pressure sensor 4, first two-way cartridge valve 5, pressure gauge 6, first two-position three-way electromagnetic ball valve 7, first two-position three-way electromagnetic valve 8 energy accumulator 9, stop valve 10, check valve 11, first safety overflow valve 12, second two-way cartridge valve 13, first adjustable overflow valve 14, first two-way cartridge valve 15, first two-position four-way electromagnetic valve 16, second safety overflow valve 17, second two-position four-way electromagnetic valve 18, third two-way cartridge valve 19, second adjustable overflow valve 20, first two-way cartridge valve 21, second two-way cartridge valve 22, shuttle valve 23, third two-position four-way electromagnetic valve 24, fourth two-position four-way electromagnetic valve 25, second two-position three-way electromagnetic ball valve 26, fourth two-way cartridge valve 27, third safety overflow valve 28, fifth two-way solenoid valve 29, fourth safety overflow valve 30, fifth two-position four-way electromagnetic valve 31 An oil pump motor set.
Detailed Description
In order to deepen the understanding of the present invention, the present invention will be further described in detail with reference to the following embodiments and the attached drawings, and the embodiments are only used for explaining the present invention, and do not constitute the limitation to the protection scope of the present invention.
As shown in figure 1, the long-time pressure maintaining device of the hydraulic machine comprises a host 1, a pipeline 2, a pressure sensor 3, a first two-way cartridge valve 4, a pressure gauge 5, a first two-position three-way electromagnetic ball valve 6, a first two-position three-way electromagnetic valve 7, an energy accumulator 8, a stop valve 9, a check valve 10, a first safety overflow valve 11, a second two-way cartridge valve 12, a first adjustable overflow valve 13, a first two-way cartridge valve 14, a first two-position four-way electromagnetic valve 15, a second safety overflow valve 16, a second two-position four-way electromagnetic valve 17, a third two-way cartridge valve 18, a second adjustable overflow valve 19, a first two-way cartridge valve 20, a second two-way cartridge valve 21, a shuttle valve 22, a third two-position four-way electromagnetic valve 23, a fourth two-position four-way electromagnetic valve 24, a second two-position three-way electromagnetic ball valve 25, a fourth two-way solenoid valve 26, a third safety overflow valve 27, a fifth two-way cartridge valve 28, A fourth safety overflow valve 29, a fifth two-position four-way electromagnetic valve and an oil pump motor set 31.
The utility model provides a long-time pressurizer of hydraulic press, includes hydro-cylinder, host computer, first pipeline, second pipeline and third pipeline, first pipeline link to each other with the second pipeline, the third pipeline link to each other with first pipeline, hydro-cylinder and host computer link to each other, be equipped with time relay on the hydro-cylinder, host computer and first pipeline link to each other, first pipeline connect gradually through the pipeline by pressure sensor, two way cartridge valve, manometer, No. one two way three way solenoid valve, No. one two way solenoid valve, energy storage ware, stop valve, check valve, safe overflow valve, No. two way cartridge valve, an adjustable overflow valve, No. two way cartridge valve, No. one two way cartridge valve are for taking the two way cartridge valve of festival pole, No. two pipelines by No. one two way direction cartridge valve, No. three two way cartridge valve, No. two way cartridge valve, The two-way electromagnetic ball valve comprises a two-position three-way electromagnetic ball valve body, a four-way cartridge valve body and a three-way safety overflow valve, wherein the two-way cartridge valve body is a one-way cartridge valve with a section rod, the second pipeline is connected with an oil cylinder, the third pipeline is formed by a five-way cartridge valve body, a four-way safety overflow valve body, a five-position two-way electromagnetic valve body and an oil pump motor set which are sequentially connected through pipelines, the oil pump motor set is connected with a lower cavity of a main cylinder, a shuttle valve, a three-position two-way electromagnetic valve body and a four-position two-way electromagnetic valve body which are sequentially connected are arranged between the two-way cartridge valve body and the one-way cartridge valve body, the shuttle valve belongs to a straight stroke valve body, the shuttle valve is made of stainless steel, a fourth pipeline connected with the two-way cartridge valve body is arranged between the one-way cartridge valve body and the one-way cartridge valve body, and the fourth pipeline is formed by the one-position two-way four-way electromagnetic valve body, The two-position four-way electromagnetic valve is composed of a second safety overflow valve, a second two-position four-way electromagnetic valve and a second adjustable overflow valve.
When the hydraulic system is used, the corresponding overflow valves are well adjusted, and the oil pump motor set 31 is started to drive the oil pump to rotate by the motor to supply oil to the hydraulic system. When the fourth two-position four-way solenoid valve 30 and the third two-position four-way solenoid valve 23 are electrified, the fourth two-way cartridge valve 28 is closed to overflow, the second two-way directional cartridge valve 21 is opened, and oil enters the upper cavity of the main oil cylinder through corresponding pipelines. The second two-position three-way electromagnetic ball valve 25 and the second two-position four-way electromagnetic valve 17 are electrified, the fourth two-way cartridge valve 26 and the third two-way cartridge valve 18 open the lower cavity oil of the main oil cylinder and flow out through corresponding pipelines. The oil cylinder and the connected slide block move downwards. Pressing the slide while pressing the product: the first two-position three-way electromagnetic valve 7 is electrified, and the stop valve 9 is opened. The energy accumulator 8 is pressurized and fed with the main oil cylinder 1, when the pressure rises to the set pressure, the pressure sensor 3 detects a pressure set value signal to stop pressurization, and then the press enters a pressure maintaining state. Under the pressure maintaining state, the first two-position three-way electromagnetic valve 7 is always electrified, and the energy accumulator 8 supplies oil to ensure that the pressure of the press is maintained for a long time when the pressure is lost. After pressure maintaining is completed, the first two-position three-way electromagnetic valve 7 is powered off to close an oil way from the energy accumulator 8 to a pipeline, and the first two-position three-way electromagnetic ball valve 6 is powered on to open the upper cavity of the oil cylinder of the two-way cartridge valve 4 to release pressure, and then the pressure release time is controlled through a time relay to determine that pressure release is completed. After pressure relief is completed, the No. four two-position four-way solenoid valve 30 and the No. four two-position four-way solenoid valve 24 are opened by the No. one electric two-way cartridge valve 20 and the No. four two-way cartridge valve 28. The oil of the main oil pump motor set 31 enters the lower cavity of the main cylinder, so that the press sliding block returns to the upper point to complete a pressing process.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The long-time pressure maintaining device of the hydraulic machine is characterized by comprising an oil cylinder, a host, a first pipeline, a second pipeline and a third pipeline, wherein the first pipeline is connected with the second pipeline, the third pipeline is connected with the first pipeline, the oil cylinder is connected with the host, the host is connected with the first pipeline, the first pipeline is sequentially connected through a pipeline by a pressure sensor, a two-way cartridge valve, a pressure gauge, a two-position three-way electromagnetic ball valve, a two-position three-way electromagnetic valve, an energy accumulator, a stop valve, a check valve, a safety overflow valve, a two-way cartridge valve, an adjustable overflow valve and a two-way cartridge valve, the second pipeline is sequentially connected through a pipeline by a one-way cartridge valve, a three-way cartridge valve, a two-position three-way electromagnetic ball valve, a four-way cartridge valve and a three-way safety overflow valve, the second pipeline is connected with the oil cylinder, the third pipeline is formed by a five-way two-way cartridge valve, a four-way safety overflow valve, a five-two-position four-way electromagnetic valve and an oil pump motor set which are sequentially connected through pipelines, a shuttle valve, a three-two-position four-way electromagnetic valve and a four-two-position four-way electromagnetic valve which are sequentially connected are arranged between the two-way cartridge valve and the one-two-way cartridge valve, a fourth pipeline connected with the two-way cartridge valve is arranged between the one-way two-way cartridge valve and the one-two-way cartridge valve, and the fourth pipeline is formed by a one-two-position four-way electromagnetic valve, a two-safety overflow valve, a two-position four-way electromagnetic valve and a two-adjustable overflow valve.
2. The long-time pressure maintaining device of the hydraulic machine as recited in claim 1, wherein the first two-way cartridge valve is a first two-way cartridge valve with a joint rod.
3. The long-time pressure maintaining device of the hydraulic machine as recited in claim 1, wherein the first two-way cartridge valve is a first two-way cartridge valve with a joint rod.
4. The long-time pressure maintaining device of the hydraulic machine as claimed in claim 1, wherein the oil cylinder is provided with a time relay.
5. The long-time pressure maintaining device of the hydraulic machine as claimed in claim 1, wherein the shuttle valve is a straight stroke valve and is made of stainless steel.
6. The long-time pressure maintaining device of the hydraulic machine as recited in claim 1, wherein the oil pump motor set is connected with the lower cavity of the main cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023125895.1U CN213870487U (en) | 2020-12-23 | 2020-12-23 | Long-time pressurizer of hydraulic press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023125895.1U CN213870487U (en) | 2020-12-23 | 2020-12-23 | Long-time pressurizer of hydraulic press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213870487U true CN213870487U (en) | 2021-08-03 |
Family
ID=77043061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023125895.1U Active CN213870487U (en) | 2020-12-23 | 2020-12-23 | Long-time pressurizer of hydraulic press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213870487U (en) |
-
2020
- 2020-12-23 CN CN202023125895.1U patent/CN213870487U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202824482U (en) | Multidirectional integrate die forging hydraulic machine | |
| CN104948538A (en) | Plate bending machine servo hydraulic system and construction method thereof | |
| CN101463846B (en) | Hydraulic system of full-hydraulic metal sheet straightener | |
| CN204739038U (en) | Servo hydraulic system of sheet material bender | |
| CN108638568B (en) | Energy-saving hydraulic cushion control system for hydraulic machine | |
| CN213870487U (en) | Long-time pressurizer of hydraulic press | |
| CN2402461Y (en) | Plate hot press | |
| CN202291180U (en) | Water pressure quick forging machine set | |
| CN202733324U (en) | Gas-liquid pipeline rehabilitation machine | |
| CN203627345U (en) | Pressure maintaining circuit provided with energy accumulator | |
| CN211840000U (en) | Overload protection device of forging press | |
| CN201979318U (en) | Gas-liquid pressure maintaining system | |
| CN205588677U (en) | Interior high -pressure forming machine of variable mold clamping force | |
| CN101514948A (en) | Quick pressurization system for steel pipe hydrostatic tester | |
| CN204419745U (en) | Pressure filter hydraulic system | |
| CN208185093U (en) | The hydraulic system of multistation punching shear production line | |
| CN201376351Y (en) | Large-tonnage hydraulic press normal position pressure following system | |
| CN104626630A (en) | Hydraulic driven type dual-station stamping device | |
| CN203680835U (en) | Hydraulic driven double-station punching device | |
| CN208686685U (en) | A kind of novel energy-conserving rapid forge machine hydraulic system | |
| CN211924593U (en) | Punching machine hydraulic system | |
| CN2542355Y (en) | Frame-type oil tube thickening machine | |
| CN218151724U (en) | Pressure relief system of press | |
| CN203130639U (en) | Bi-directional floating cylinder control device of hydraulic universal testing machine | |
| CN201306323Y (en) | Hydraulic device of poppet valve assembly clamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |