Hydraulic control system for titanium sponge production

Abstract

The invention provides a hydraulic control system for titanium sponge production, which relates to the technical field of hydraulic control systems and comprises a pump source block hydraulic control unit, a main cylinder hydraulic control unit, a mold locking control unit, a mold moving control unit and a mold receiving control unit. The hydraulic control system can control corresponding equipment to complete the processes of main cylinder downward pressing, die sleeve lifting, die pushing, die clamping and material receiving, the hydraulic control system is higher in integration and more comprehensive in function, the titanium sponge production requirement can be met, valves in the hydraulic control system are mostly of cartridge valve combined structures, and the production cost is reduced. The controllability is excellent, and the manufacturing and maintenance cost is very low.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of hydraulic control systems, in particular to a hydraulic control system for sponge titanium production. BACKGROUND

[0002] Titanium ore can be processed into porous sponge-like metal titanium, known as sponge titanium, through chemical treatment. These titanium materials are mainly used in aerospace, chemical industry, marine engineering and other industries.

[0003] In one technology known to the inventors, the device used for sponge titanium profile production has a complex structure. The production process usually involves process steps such as mold movement, stamping, and material receiving, and has corresponding equipment, such as a stamping head, a movement cylinder for mold movement, a clamping cylinder for clamping the mold, a receiving cylinder for receiving materials, and the like. The complex process and complex structure result in very complex operation, high labor consumption, low production efficiency, and high cost.

[0004] Therefore, there is a need to design a hydraulic control system to meet the production requirements. SUMMARY

[0005] The purpose of the present application is to provide a hydraulic control system for sponge titanium production to solve the problems existing in the prior art, which can control the corresponding equipment to complete the pressing of the main cylinder, the lifting of the mold sleeve, the pushing of the mold, the clamping of the mold, and the receiving process. The integration of the hydraulic control system is higher, the function is more comprehensive, and the production requirements of sponge titanium can be met.

[0006] To achieve the above-mentioned purpose, the present application provides the following solutions:

[0007] A hydraulic control system for sponge titanium production, comprising:

[0008] A pump block hydraulic control unit, comprising a high-pressure pump assembly, a pump block one-way control cartridge valve, and a one-way buffer cartridge valve, the high-pressure pump assembly is used to provide oil pressure for the hydraulic control system for sponge titanium production, the oil outlet of the high-pressure pump assembly is in communication with the oil inlet of the pump block one-way control cartridge valve, the oil outlet of the pump block one-way control cartridge valve is in communication with the oil inlet of the one-way buffer cartridge valve, and the oil outlet of the one-way buffer cartridge valve is in communication with the oil supply main pipe; the one-way buffer cartridge valve is connected with a one-way buffer electromagnetic reversing valve to control the opening and closing of the one-way buffer cartridge valve;

[0009] A master cylinder hydraulic control unit includes a lower pressing shuttle valve control spool valve and a rising shuttle valve control spool valve arranged in parallel, an oil inlet of the lower pressing shuttle valve control spool valve and an oil inlet of the rising shuttle valve control spool valve are connected with the oil supply main pipe, and oil outlets of the lower pressing shuttle valve control spool valve and the rising shuttle valve control spool valve are respectively communicated with oil ports of the master cylinder for controlling the output end of the master cylinder to act;

[0010] A mold locking control unit includes a locking control electromagnetic reversing valve, a P port of the locking control electromagnetic reversing valve is communicated with the oil supply main pipe, a T port is communicated with an oil tank, and an A port and a B port are respectively communicated with a rodless chamber and a rod chamber of a locking cylinder.

[0011] A mold moving control unit includes a moving control electromagnetic reversing valve, a P port of the moving control electromagnetic reversing valve is communicated with the oil supply main pipe, a T port is communicated with the oil tank, and an A port and a B port are respectively communicated with a rodless chamber and a rod chamber of a moving cylinder.

[0012] A mold receiving control unit includes a mold sleeve control electromagnetic reversing valve and a receiving control electromagnetic reversing valve, a P port of the mold sleeve control electromagnetic reversing valve is communicated with the oil supply main pipe, a T port is communicated with the oil tank, and an A port and a B port are respectively communicated with a rodless chamber and a rod chamber of a mold sleeve control cylinder; a P port of the receiving control electromagnetic reversing valve is communicated with the oil supply main pipe, a T port is communicated with the oil tank, and an A port and a B port are respectively communicated with a rodless chamber and a rod chamber of a receiving cylinder.

[0013] As an embodiment, a liquid control check valve is arranged between the A port of the mold sleeve control electromagnetic reversing valve and the rodless chamber of the mold sleeve control cylinder, and between the B port of the mold control electromagnetic reversing valve and the rod chamber of the mold sleeve control cylinder.

[0014] As an embodiment, a liquid control check valve is arranged between the A port of the receiving control electromagnetic reversing valve and the rodless chamber of the receiving cylinder, and between the B port of the receiving control electromagnetic reversing valve and the rod chamber of the receiving cylinder.

[0015] As an embodiment, a pump source block high-low pressure spool valve is further arranged in the pump source block hydraulic control unit, an oil inlet of the pump source block high-low pressure spool valve is communicated with the oil supply main pipe, and a control port of the pump source block high-low pressure spool valve is communicated with a first high-pressure overflow valve and a first low-pressure overflow valve through a pump source block high-low pressure electromagnetic reversing valve.

[0016] As an embodiment, the master cylinder hydraulic control unit further comprises a master cylinder control electromagnetic reversing valve, a P port of the master cylinder control electromagnetic reversing valve is communicated with the oil supply main pipe, a T port is communicated with the oil tank, an A port is communicated with a control port of the down shuttle valve control cartridge valve, and a B port is communicated with a control port of the up shuttle valve control cartridge valve.

[0017] As an embodiment, the master cylinder hydraulic control unit further comprises a pressure relief one-way control cartridge valve, an oil inlet of the pressure relief one-way control cartridge valve is communicated with a down pressure oil port of the master cylinder, and an oil outlet of the pressure relief one-way control cartridge valve is communicated with the oil tank through a pressure maintaining one-way buffer cartridge valve, and a pressure relief electromagnetic reversing valve is further connected with the pressure maintaining one-way buffer cartridge valve to control opening and closing of the pressure relief one-way control cartridge valve.

[0018] As an embodiment, the master cylinder hydraulic control unit further comprises a filling valve control unit, the filling valve control unit comprises a filling shuttle valve control cartridge valve, a filling one-way control cartridge valve and a filling electromagnetic reversing valve, an oil inlet of the filling shuttle valve control cartridge valve is communicated with the oil supply main pipe, an oil outlet of the filling shuttle valve control cartridge valve is communicated with a control port of a hydraulic control filling valve, the hydraulic control filling valve is located between the master cylinder and the oil tank, an oil inlet of the filling one-way control cartridge valve is communicated with the oil outlet of the filling shuttle valve control cartridge valve, and an oil outlet of the filling one-way control cartridge valve is communicated with the oil tank, a P port of the filling electromagnetic reversing valve is communicated with the oil supply main pipe, a T port is communicated with the oil tank, an A port is communicated with a control port of the filling shuttle valve control cartridge valve, and a B port is communicated with a control port of the filling one-way control cartridge valve.

[0019] As an embodiment, the master cylinder comprises a plunger cylinder and two piston cylinders, an oil outlet of the down shuttle valve control cartridge valve is respectively communicated with an oil inlet of a plunger cylinder shuttle valve control cartridge valve and an oil inlet of a rodless cavity shuttle valve control cartridge valve, an oil outlet of the plunger cylinder shuttle valve control cartridge valve is communicated with an oil port of the plunger cylinder, and an oil outlet of the rodless cavity shuttle valve control cartridge valve is communicated with a rodless cavity of the piston cylinder, an oil outlet of the up shuttle valve control cartridge valve is communicated with oil inlets of two position check cartridge valves in parallel, and oil outlets of the two position check cartridge valves are respectively communicated with rod cavities of the two piston cylinders.

[0020] As an embodiment, the master cylinder hydraulic control unit further comprises two position check electromagnetic reversing valves for controlling opening and closing of the two position check cartridge valves, and the master cylinder hydraulic control unit further comprises two master cylinder down electromagnetic reversing valves for controlling opening and closing of the plunger cylinder shuttle valve control cartridge valve and the rodless cavity shuttle valve control cartridge valve.

[0021] As an embodiment, the master cylinder hydraulic control unit further comprises a master cylinder high-low pressure spool valve, a second high pressure overflow valve, a second low pressure overflow valve and a high-low pressure electromagnetic reversing valve, an oil inlet of the master cylinder high-low pressure spool valve is communicated with an oil outlet of the rising spool valve control spool valve, an oil outlet of the master cylinder high-low pressure spool valve is communicated with the second low pressure overflow valve through the high-low pressure electromagnetic reversing valve, and the oil outlet of the master cylinder high-low pressure spool valve is further communicated with the second high pressure overflow valve and a control port of the master cylinder high-low pressure spool valve.

[0022] The present application has the following technical effects relative to the prior art:

[0023] The hydraulic control system in the present application can control corresponding equipment to complete the pressing of the master cylinder, the lifting of the die sleeve, the pushing of the mold, the clamping of the mold and the receiving process, has higher integration and more comprehensive functions, can meet the requirements of titanium sponge production, and most of the valves in the hydraulic control system are spool valve combination structures, have excellent controllability, and have very low manufacturing and maintenance costs. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0025] Figure 1 The principle diagram of the hydraulic control system of one embodiment in the present application;

[0026] Figure 2 The principle diagram of the pump source block hydraulic control unit of one embodiment in the present application;

[0027] Figure 3 The principle diagram of the master cylinder hydraulic control unit of one embodiment in the present application;

[0028] Figure 4 The principle diagram of the mold locking control unit of one embodiment in the present application;

[0029] Figure 5 The principle diagram of the mold moving control unit of one embodiment in the present application;

[0030] Figure 6 The principle diagram of the mold receiving control unit of one embodiment in the present application;

[0031] Figure 7 The principle diagram of the liquid filling valve control unit of one embodiment in the present application;

[0032] Figure 8 Structure diagram of master cylinder of one embodiment of the present application;

[0033] Reference numerals:

[0034] 1. Pump block hydraulic control unit; 10. High pressure pump assembly; 11. Pump block one-way control cartridge valve; 12. One-way buffer cartridge valve; 13. Pump block high-low pressure pressure cartridge valve; 14. Pump block high-low pressure electromagnetic reversing valve; 15. Pump block high-low pressure electromagnetic reversing valve; 16. First high pressure relief valve; 17. First low pressure relief valve;

[0035] 2. Master cylinder hydraulic control unit; 21. Down shuttle valve control cartridge valve; 22. Up shuttle valve control cartridge valve; 23. Master cylinder control electromagnetic reversing valve; 24. Pressure control cartridge valve; 25. Plunger cylinder shuttle valve control cartridge valve; 26. Rodless chamber shuttle valve control cartridge valve; 27. Pressure relief one-way control cartridge valve; 28. Pressure maintaining one-way buffer cartridge valve; 29. Master cylinder high-low pressure pressure cartridge valve; 210. Second low pressure relief valve; 211. Second high pressure relief valve; 212. Up one-way throttling cartridge valve; 213. Up throttling valve; 214. Position check cartridge valve;

[0036] 3. Mold locking control unit; 30. Locking control electromagnetic reversing valve;

[0037] 4. Mold moving control unit; 40. Moving control electromagnetic reversing valve;

[0038] 5. Mold material receiving control unit; 50. Mold sleeve control electromagnetic reversing valve; 51. Material receiving control electromagnetic reversing valve; 52. Mold sleeve control superimposed hydraulic control one-way valve; 53. Mold sleeve control superimposed throttling valve; 54. Mold sleeve control superimposed relief valve; 55. Material receiving control superimposed hydraulic control one-way valve; 56. Material receiving control superimposed throttling valve; 57. Material receiving control superimposed relief valve;

[0039] 6. Liquid filling valve control unit; 60. Pressure reducing valve; 61. Liquid filling shuttle valve control cartridge valve; 62. Liquid filling one-way control cartridge valve; 63. Liquid filling electromagnetic reversing valve; 64. Hydraulic control liquid filling valve;

[0040] 7. Plunger cylinder; 8. Piston cylinder; 9. Locking oil cylinder; 100. Moving cylinder; 110. Material receiving cylinder; 120. Mold sleeve control oil cylinder. DETAILED DESCRIPTION

[0041] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of the present application.

[0042] The purpose of the present application is to provide a hydraulic control system for sponge titanium production to solve the problems existing in the prior art, which can control the corresponding equipment to complete the pressing of the master cylinder, the lifting of the die sleeve, the pushing of the die, the clamping of the die and the receiving process. The hydraulic control system has higher integration and more comprehensive functions, and can meet the requirements of sponge titanium production.

[0043] In order to make the above-mentioned purposes, characteristics and advantages of the present application more apparent and easy to understand, the present application will be further described in detail below with reference to the drawings and specific embodiments.

[0044] As shown in Figures 1-8 The present embodiment provides a hydraulic control system for sponge titanium production, which comprises a pump block hydraulic control unit 1, a master cylinder hydraulic control unit 2, a die locking control unit 3, a die moving control unit 4 and a die receiving control unit 5.

[0045] The pump block hydraulic control unit 1 comprises a high-pressure pump assembly 10, a pump block one-way control cartridge valve 11 and a one-way buffer cartridge valve 12. The high-pressure pump assembly 10 is connected to an oil tank for providing oil pressure for the hydraulic control system for sponge titanium production. The oil outlet of the high-pressure pump assembly 10 is in communication with the oil inlet of the pump block one-way control cartridge valve 11. The oil outlet of the pump block one-way control cartridge valve 11 is in communication with the oil inlet of the one-way buffer cartridge valve 12. The oil outlet of the one-way buffer cartridge valve 12 is in communication with a main oil supply pipe. The one-way buffer cartridge valve 12 is connected to a one-way buffer electromagnetic reversing valve 13 to control the opening and closing of the one-way buffer cartridge valve 12. The one-way buffer electromagnetic reversing valve 13 is a two-position four-way electromagnetic reversing valve. Because sponge titanium profile processing usually requires very high pressure, the high-pressure pump assembly 10 and the pump block one-way control cartridge valve 11 assembly in the present embodiment are each provided with multiple sets.

[0046] The main cylinder hydraulic control unit 2 includes a rising shuttle valve control cartridge valve 22 and a lowering shuttle valve control cartridge valve 21 arranged in parallel, the oil inlet of the rising shuttle valve control cartridge valve 22 and the oil inlet of the lowering shuttle valve control cartridge valve 21 are connected with the oil supply main pipe, and the oil outlets of the rising shuttle valve control cartridge valve 22 and the lowering shuttle valve control cartridge valve 21 are communicated with the oil port of the main cylinder. After the rising shuttle valve control cartridge valve 22 is opened, hydraulic oil flows into the main cylinder to drive the main cylinder to lower to press the mold and the blank; after the lowering shuttle valve control cartridge valve 21 is opened, hydraulic oil flows into the main cylinder to drive the main cylinder to rise to reset. In order to control the opening and closing of the rising shuttle valve control cartridge valve 22 and the lowering shuttle valve control cartridge valve 21, the main cylinder hydraulic control unit 2 in the embodiment further includes a main cylinder control electromagnetic reversing valve 23, the P port of the main cylinder control electromagnetic reversing valve 23 is communicated with the oil supply main pipe, the T port is communicated with the oil tank, the A port is communicated with the control port of the lowering shuttle valve control cartridge valve 21, and the B port is communicated with the control port of the rising shuttle valve control cartridge valve 22; specifically, the main cylinder control electromagnetic reversing valve 23 is a three-position four-way electromagnetic reversing valve, and through the reversing of the main cylinder control electromagnetic reversing valve 23, the rising shuttle valve control cartridge valve 22 can be selected to be opened, the lowering shuttle valve control cartridge valve 21 can be selected to be opened, or both can be in a closed state.

[0047] The mold locking control unit 3 includes a locking control electromagnetic reversing valve 30, the P port of the locking control electromagnetic reversing valve 30 is communicated with the oil supply main pipe, the T port is communicated with the oil tank, and the A port and the B port are respectively communicated with the rodless cavity and the rod cavity of the locking oil cylinder 9; through the reversing operation of the locking control electromagnetic reversing valve 30, the locking oil cylinder 9 can be controlled to perform locking and loosening actions on the mold; specifically, the locking control electromagnetic reversing valve 30 is a two-position four-way electromagnetic reversing valve.

[0048] The mold moving control unit 4 includes a moving control electromagnetic reversing valve 40, the P port of the moving control electromagnetic reversing valve 40 is communicated with the oil supply main pipe, the T port is communicated with the oil tank, and the A port and the B port are respectively communicated with the rodless cavity and the rod cavity of the moving cylinder 100; through the reversing operation of the moving control electromagnetic reversing valve 40, the moving cylinder 100 can be controlled to push the mold to a specified position, and then the piston rod of the moving cylinder 100 retreats to prepare for the next pushing action. Specifically, the moving control electromagnetic reversing valve 40 is a three-position four-way electromagnetic reversing valve.

[0049] The mold receiving control unit 5 comprises a mold sleeve control electromagnetic reversing valve 50 and a receiving control electromagnetic reversing valve 51. The P port of the mold sleeve control electromagnetic reversing valve 50 is communicated with the oil supply main pipe, the T port is communicated with the oil tank, the A port and the B port are respectively communicated with the rodless cavity and the rod cavity of the mold sleeve control oil cylinder 120. Through the reversing of the mold sleeve control electromagnetic reversing valve 50, the mold sleeve can be lifted to the position or lowered to the position. The P port of the receiving control electromagnetic reversing valve 51 is communicated with the oil supply main pipe, the T port is communicated with the oil tank, the A port and the B port are respectively communicated with the rodless cavity and the rod cavity of the receiving cylinder 110. Through the reversing of the receiving control electromagnetic reversing valve 51, the piston rod of the receiving cylinder 110 is lifted or falls, and the receiving process can be performed. The mold sleeve control electromagnetic reversing valve 50 and the receiving control electromagnetic reversing valve 51 in the embodiment are all three-position four-way electromagnetic reversing valves.

[0050] Therefore, the hydraulic control system in the embodiment can control the corresponding equipment to complete the pressing of the main cylinder, the lifting of the mold sleeve, the pushing of the mold, the clamping of the mold and the receiving process. The integration of the hydraulic control system is higher, the function is more comprehensive, the production requirements of titanium sponge can be met, and the valves in the hydraulic control system are mostly plug-in valve combination structures, the controllability is excellent, and the manufacturing and maintenance costs are very low.

[0051] As an embodiment, the A port of the mold sleeve control electromagnetic reversing valve 50 and the rodless cavity of the mold sleeve control oil cylinder 120 and the B port of the mold control electromagnetic reversing valve and the rod cavity of the mold sleeve control oil cylinder 120 are both provided with a hydraulic control check valve, forming a mold sleeve control superimposed hydraulic control check valve 52. The mold sleeve control superimposed hydraulic control check valve 52 and the mold sleeve control electromagnetic reversing valve 50 are further provided with a mold sleeve control superimposed throttle valve 53, and the mold sleeve control superimposed hydraulic control check valve 52 and the mold sleeve control oil cylinder 120 are further provided with a mold sleeve control superimposed overflow valve 54. The A port of the receiving control electromagnetic reversing valve 51 and the rodless cavity of the receiving cylinder 110 and the B port of the receiving control electromagnetic reversing valve 51 and the rod cavity of the receiving cylinder 110 are both provided with a hydraulic control check valve, forming a receiving control superimposed hydraulic control check valve 55. The receiving control superimposed hydraulic control check valve 55 and the receiving control electromagnetic reversing valve 51 are further provided with a receiving control superimposed throttle valve 56, and the receiving control superimposed hydraulic control check valve 55 and the receiving cylinder 110 are further provided with a receiving control superimposed overflow valve 57. The mold sleeve control electromagnetic reversing valve 50 and the receiving control electromagnetic reversing valve 51 are all three-position four-way electromagnetic reversing valves.

[0052] As an embodiment, the pump block hydraulic control unit 1 is further provided with a pump block high-low pressure plug-in valve 14, an oil inlet of the pump block high-low pressure plug-in valve 14 is communicated with the oil supply main pipe, and a control port of the pump block high-low pressure plug-in valve 14 is communicated with the first high pressure overflow valve 16 and the first low pressure overflow valve 17 through the pump block high-low pressure electromagnetic reversing valve 15. The pump block high-low pressure electromagnetic reversing valve 15 is a three-position four-way electromagnetic reversing valve, through the reversing operation of the pump block high-low pressure electromagnetic reversing valve 15, the common main pipe can be communicated with the first high pressure overflow valve 16 or the first low pressure overflow valve 17, and the high-low pressure adjustment of the oil supply main pipe is realized. As an embodiment, the overflow pressure of the first high pressure overflow valve 16 in the embodiment is 33 MPa, and the overflow pressure of the first low pressure overflow valve 17 is 6 MPa. Of course, the overflow pressure of the first high pressure overflow valve 16 and the overflow pressure of the first low pressure overflow valve 17 can be adjusted.

[0053] In the embodiment, the main cylinder includes a plunger cylinder 7 and two piston cylinders 8, the oil outlets of the up shuttle valve control plug-in valves 22 are respectively communicated with the oil inlets of the plunger cylinder shuttle valve control plug-in valves 25 and the rodless cavity shuttle valve control plug-in valves 26, the oil outlet of the plunger cylinder shuttle valve control plug-in valve 25 is communicated with the oil port of the plunger cylinder 7, the plunger cylinder shuttle valve control plug-in valve 25 is connected with a two-position four-way electromagnetic reversing valve to control the opening and closing of the plunger cylinder shuttle valve control plug-in valve 25. The oil outlet of the rodless cavity shuttle valve control plug-in valve 26 is communicated with the rodless cavity of the piston cylinder 8, and the rodless cavity shuttle valve control plug-in valve 26 is connected with a two-position four-way electromagnetic reversing valve to control the opening and closing of the rodless cavity shuttle valve control plug-in valve 26. The oil outlet of the up shuttle valve control plug-in valve 22 is also communicated with the oil inlet of the pressure control plug-in valve 24.

[0054] The oil outlet of the down shuttle valve control plug-in valve 21 is communicated with the oil inlets of two position check plug-in valves 214 arranged in parallel, and the oil outlets of the two position check plug-in valves 214 are respectively communicated with the rod cavities of the two piston cylinders 8. The two position check plug-in valves 214 are respectively connected with two-position four-way electromagnetic reversing valves to control the opening and closing thereof.

[0055] In the embodiment, the main cylinder hydraulic control unit 2 further includes a pressure relief one-way control plug-in valve 27, the oil inlet of the pressure relief one-way control plug-in valve 27 is communicated with the down pressure oil port of the main cylinder, the oil outlet of the pressure relief one-way control plug-in valve 27 is communicated with the oil tank through the pressure maintaining one-way buffer plug-in valve 28, and a pressure relief electromagnetic reversing valve is further connected with the pressure maintaining one-way buffer plug-in valve 28 to control the opening and closing of the pressure relief one-way control plug-in valve 27. The pressure relief electromagnetic reversing valve is a two-position four-way electromagnetic reversing valve. When the main cylinder needs to be lifted and reset after being pressed down, the pressure maintaining one-way buffer plug-in valve 28 and the pressure relief one-way control plug-in valve 27 are first opened through the pressure relief electromagnetic reversing valve, so that the hydraulic oil in the main cylinder is discharged into the oil tank, and the pressure required for lifting is reduced.

[0056] As an embodiment, the hydraulic control system further comprises a liquid filling valve control unit 6, which comprises a liquid filling shuttle valve control cartridge valve 61, a liquid filling one-way control cartridge valve 62 and a liquid filling electromagnetic reversing valve 63. The liquid filling electromagnetic reversing valve 63 is a two-position four-way electromagnetic reversing valve. The inlet of the liquid filling shuttle valve control cartridge valve 61 is communicated with the oil supply main pipe through a pressure reducing valve 60, and the outlet of the liquid filling shuttle valve control cartridge valve 61 is communicated with the control port of a hydraulic control liquid filling valve 64, which is arranged between the master cylinder and the oil tank. In this embodiment, the hydraulic control liquid filling valve 64 is arranged between the plunger cylinder 7 and the oil tank, and between the two piston cylinders 8 and the oil tank. The inlet of the liquid filling one-way control cartridge valve 62 is communicated with the outlet of the liquid filling shuttle valve control cartridge valve 61, and the outlet of the liquid filling one-way control cartridge valve 62 is communicated with the oil tank. The P port of the liquid filling electromagnetic reversing valve 63 is communicated with the oil supply main pipe, the T port is communicated with the oil tank, the A port is communicated with the control port of the liquid filling shuttle valve control cartridge valve 61, and the B port is communicated with the control port of the liquid filling one-way control cartridge valve 62. Through the reversing operation of the liquid filling electromagnetic reversing valve 63, whether the hydraulic control one-way valve is reversed (from the master cylinder to the oil tank) or not is controlled.

[0057] As an embodiment, the master cylinder hydraulic control unit 2 further comprises two two-position check electromagnetic reversing valves for controlling the opening and closing of the two-position check cartridge valves 214, and the two two-position check electromagnetic reversing valves are both two-position four-way electromagnetic reversing valves. The master cylinder hydraulic control unit 2 further comprises two master cylinder down electromagnetic reversing valves for controlling the opening and closing of the plunger cylinder shuttle valve control cartridge valve 25 and the rodless cavity shuttle valve control cartridge valve 26, and the two master cylinder down electromagnetic reversing valves are both two-position four-way electromagnetic reversing valves.

[0058] As an embodiment, the master cylinder hydraulic control unit 2 further comprises a master cylinder high-low pressure spool valve 29, a second high pressure relief valve 211, a second low pressure relief valve 210 and a high-low pressure electromagnetic reversing valve. The inlet of the master cylinder high-low pressure spool valve 29 is communicated with the outlet of the down shuttle valve control spool valve 21, the outlet of the master cylinder high-low pressure spool valve 29 is communicated with the second low pressure relief valve 210 through the high-low pressure electromagnetic reversing valve, and the outlet of the master cylinder high-low pressure spool valve 29 is further communicated with the second high pressure relief valve 211 and the control port of the master cylinder high-low pressure spool valve 29. The high-low pressure electromagnetic reversing valve is a two-position four-way electromagnetic reversing valve. Through the reversing operation of the high-low pressure electromagnetic reversing valve, the oil line pressure relief between the down shuttle valve control spool valve 21 and the master cylinder can be controlled. The relief pressure of the second high pressure relief valve 211 is 27.5 MPa, and the relief pressure of the second low pressure relief valve 210 is 5 MPa-10 MPa. Of course, the relief pressure of the second high pressure relief valve 211 and the relief pressure of the second low pressure relief valve 210 can be adjusted. The oil line between the down shuttle valve control spool valve 21 and the position check spool valve 214 is further communicated with the inlet of the up one-way throttling spool valve 212, and the up one-way throttling spool valve 212 is connected with a two-position four-way electromagnetic reversing valve to control its opening and closing. The oil line between the up one-way throttling spool valve 212 and the position check spool valve 214 is further communicated with the inlet of the up throttling valve 213, and the up throttling valve 213 is connected with a two-position four-way electromagnetic reversing valve to control its opening and closing.

[0059] The adaptive changes according to actual needs are within the protection scope of the present application.

[0060] The principles and embodiments of the present application are described by using specific examples, and the above examples are only used to help understand the method and core idea of the present application; meanwhile, for those skilled in the art, according to the idea of the present application, the specific embodiments and application scope will be changed. In summary, the content of the present application should not be understood as a limitation.

Claims

1. A hydraulic control system for titanium sponge production, characterized by, The application relates to a hydraulic control system for a sponge titanium production device. The pump source block hydraulic control unit comprises a high-pressure pump assembly, a pump source block one-way control cartridge valve and a one-way buffer cartridge valve, the high-pressure pump assembly is used for providing oil pressure for the hydraulic control system for the sponge titanium production device, an oil outlet of the high-pressure pump assembly is communicated with an oil inlet of the pump source block one-way control cartridge valve, an oil outlet of the pump source block one-way control cartridge valve is communicated with an oil inlet of the one-way buffer cartridge valve, and an oil outlet of the one-way buffer cartridge valve is communicated with a main oil supply pipe; the one-way buffer cartridge valve is connected with a one-way buffer electromagnetic reversing valve to control opening and closing of the one-way buffer cartridge valve. The main cylinder hydraulic control unit comprises a lower pressing shuttle valve control cartridge valve and a rising shuttle valve control cartridge valve which are arranged in parallel, an oil inlet of the lower pressing shuttle valve control cartridge valve and an oil inlet of the rising shuttle valve control cartridge valve are connected with the main oil supply pipe, and oil outlets of the lower pressing shuttle valve control cartridge valve and the rising shuttle valve control cartridge valve are respectively communicated with oil ports of a main cylinder to control the output end of the main cylinder. The mold locking control unit comprises a locking control electromagnetic reversing valve, a P port of the locking control electromagnetic reversing valve is communicated with the main oil supply pipe, a T port is communicated with an oil tank, and an A port and a B port are respectively communicated with a rodless cavity and a rod cavity of a locking cylinder. The mold moving control unit comprises a moving control electromagnetic reversing valve, a P port of the moving control electromagnetic reversing valve is communicated with the main oil supply pipe, a T port is communicated with the oil tank, and an A port and a B port are respectively communicated with a rodless cavity and a rod cavity of a moving cylinder. The mold receiving control unit comprises a mold cover control electromagnetic reversing valve and a receiving control electromagnetic reversing valve, a P port of the mold cover control electromagnetic reversing valve is communicated with the main oil supply pipe, a T port is communicated with the oil tank, and an A port and a B port are respectively communicated with a rodless cavity and a rod cavity of a mold cover control cylinder; a P port of the receiving control electromagnetic reversing valve is communicated with the main oil supply pipe, a T port is communicated with the oil tank, and an A port and a B port are respectively communicated with a rodless cavity and a rod cavity of a receiving cylinder.

2. The hydraulic control system for titanium sponge production according to claim 1, characterized by, A hydraulic control one-way valve is arranged between the A port of the mold cover control electromagnetic reversing valve and the rodless cavity of the mold cover control cylinder and between the B port of the mold cover control electromagnetic reversing valve and the rod cavity of the mold cover control cylinder.

3. The hydraulic control system for titanium sponge production according to claim 1, characterized in that, A hydraulic control one-way valve is arranged between the A port of the receiving control electromagnetic reversing valve and the rodless cavity of the receiving cylinder and between the B port of the receiving control electromagnetic reversing valve and the rod cavity of the receiving cylinder.

4. The hydraulic control system for titanium sponge production according to claim 1, characterized by, The pump source block hydraulic control unit further comprises a pump source block high-low pressure pressure cartridge valve, an oil inlet of the pump source block high-low pressure pressure cartridge valve is communicated with the main oil supply pipe, and a control port of the pump source block high-low pressure pressure cartridge valve is communicated with a first high-pressure overflow valve and a first low-pressure overflow valve through a pump source block high-low pressure electromagnetic reversing valve.

5. The hydraulic control system for titanium sponge production according to claim 1, characterized by, The main cylinder hydraulic control unit further comprises a main cylinder control electromagnetic reversing valve, a P port of the main cylinder control electromagnetic reversing valve is communicated with the oil supply main pipe, a T port is communicated with an oil tank, an A port is communicated with a control port of the down shuttle valve control cartridge valve, and a B port is communicated with a control port of the up shuttle valve control cartridge valve.

6. The hydraulic control system for titanium sponge production according to claim 5, characterized by, The main cylinder hydraulic control unit further comprises a pressure relief one-way control cartridge valve, an oil inlet of the pressure relief one-way control cartridge valve is communicated with a down pressure oil port of the main cylinder, and an oil outlet of the pressure relief one-way control cartridge valve is communicated with the oil tank through a pressure maintaining one-way buffer cartridge valve, and a pressure relief electromagnetic reversing valve is further connected with the pressure maintaining one-way buffer cartridge valve to control opening and closing of the pressure relief one-way control cartridge valve.

7. The hydraulic control system for titanium sponge production according to claim 6, characterized by, The main cylinder hydraulic control unit further comprises a liquid filling valve control unit, the liquid filling valve control unit comprises a liquid filling shuttle valve control cartridge valve, a liquid filling one-way control cartridge valve and a liquid filling electromagnetic reversing valve, an oil inlet of the liquid filling shuttle valve control cartridge valve is communicated with the oil supply main pipe, an oil outlet of the liquid filling shuttle valve control cartridge valve is communicated with a control port of a liquid control liquid filling valve, the liquid control liquid filling valve is located between the main cylinder and the oil tank, an oil inlet of the liquid filling one-way control cartridge valve is communicated with the oil outlet of the liquid filling shuttle valve control cartridge valve, and an oil outlet of the liquid filling one-way control cartridge valve is communicated with the oil tank, a P port of the liquid filling electromagnetic reversing valve is communicated with the oil supply main pipe, a T port is communicated with the oil tank, an A port is communicated with the control port of the liquid filling shuttle valve control cartridge valve, and a B port is communicated with the control port of the liquid filling one-way control cartridge valve.

8. The hydraulic control system for titanium sponge production according to claim 7, characterized by, The main cylinder comprises a plunger cylinder and two piston cylinders, an oil outlet of the down shuttle valve control cartridge valve is respectively communicated with an oil inlet of a plunger cylinder shuttle valve control cartridge valve and an oil inlet of a rodless cavity shuttle valve control cartridge valve, an oil outlet of the plunger cylinder shuttle valve control cartridge valve is communicated with an oil port of the plunger cylinder, and an oil outlet of the rodless cavity shuttle valve control cartridge valve is communicated with a rodless cavity of the piston cylinder, an oil outlet of the up shuttle valve control cartridge valve is communicated with oil inlets of two position check cartridge valves arranged in parallel, and oil outlets of the two position check cartridge valves are respectively communicated with rod cavities of the two piston cylinders.

9. The hydraulic control system for titanium sponge production according to claim 8, characterized by, The main cylinder hydraulic control unit further comprises two position check electromagnetic reversing valves for controlling opening and closing of the two position check cartridge valves, and the main cylinder hydraulic control unit further comprises two main cylinder down electromagnetic reversing valves for controlling opening and closing of the plunger cylinder shuttle valve control cartridge valve and the rodless cavity shuttle valve control cartridge valve.

10. The hydraulic control system for titanium sponge production according to claim 1, characterized by, The main cylinder hydraulic control unit further comprises a main cylinder high and low pressure pressure cartridge valve, a second high pressure overflow valve, a second low pressure overflow valve and a high and low pressure electromagnetic reversing valve, an oil inlet of the main cylinder high and low pressure pressure cartridge valve is communicated with an oil outlet of the up shuttle valve control cartridge valve, an oil outlet of the main cylinder high and low pressure pressure cartridge valve is communicated with the second low pressure overflow valve through the high and low pressure electromagnetic reversing valve, and the oil outlet of the main cylinder high and low pressure pressure cartridge valve is further communicated with the second high pressure overflow valve and a control port of the main cylinder high and low pressure pressure cartridge valve.

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