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CN-122014706-A - Servo machine tool energy-saving system

CN122014706ACN 122014706 ACN122014706 ACN 122014706ACN-122014706-A

Abstract

The invention discloses an energy-saving system of a servo machine tool, which comprises an oil tank, an electric control cabinet, a driving device and an integrated valve group. The driving device is connected with the duplex gear pump through a pump sleeve in a transmission way and is arranged on the oil tank, the integrated valve group is arranged on the installation surface of the oil tank and comprises an integrated block, a direct-acting overflow valve, a pressure relay and a plurality of pressure measuring joints, wherein the direct-acting overflow valve, the pressure relay and the pressure measuring joints are inserted on the integrated block, each pressure measuring joint is respectively connected with the electromagnetic directional valve through a transition block, an oil duct communicated with each oil port is arranged in the integrated block, and the integrated block is integrated with valves such as a one-way valve, an unloading valve and the like. The electric control cabinet is electrically connected with the driving device and the integrated valve group, and is provided with an electric energy meter for monitoring energy consumption in real time. The invention drives the duplex gear pump through the servo motor, combines pressure feedback and unloading control, realizes high-low pressure double-pump energy-saving oil supply, adopts highly integrated layout, reduces pipeline connection, improves system compactness and stability, and is suitable for precision machining and small-scale operation scenes.

Inventors

  • WANG QUANSUO
  • LI JIANKANG
  • ZHENG XIANGJUN
  • LI CHAO
  • WANG BAOGUO
  • Yang taikang

Assignees

  • 山西斯普瑞机械制造股份有限公司

Dates

Publication Date
20260512
Application Date
20260129

Claims (9)

  1. 1. The servo machine tool energy-saving system comprises an oil tank (1), wherein an electric control cabinet (8) is arranged on one side of the oil tank (1), a driving device (2) and an integrated valve bank (3) are further arranged on the oil tank (1), the servo machine tool energy-saving system is characterized in that the integrated valve bank (3) is arranged on one side of an installation surface of the oil tank (1), the integrated valve bank (3) comprises an integrated block (31) and a direct-acting overflow valve (32) and a pressure relay (33) which are inserted on the integrated block (31), a first pressure measuring joint (301), a second pressure measuring joint (302), a third pressure measuring joint (303) and a fourth pressure measuring joint (304) are arranged on the installation surface of the integrated block (31) in parallel, a first pressure measuring joint (301) is provided with a first transition block (305) and a first electromagnetic reversing valve (4) in a superposition mode, a second pressure measuring joint (302) is provided with a second transition block (306) and a second electromagnetic reversing valve (5) in a superposition mode, and a third pressure measuring joint (303) is provided with a third electromagnetic reversing valve (6) in a superposition mode, and a fourth reversing valve (7) is provided with a reversing valve in a superposition mode.
  2. 2. A servo machine tool energy saving system according to claim 1, wherein the mounting surface of the integrated block (31) is provided with a plurality of holes, K1P, K1T, K A and K1B are arranged corresponding to the first pressure measuring joint (301), K2P, K2T, K A and K2B are arranged corresponding to the second pressure measuring joint (302), K3P, K3T, K A and K3B are arranged corresponding to the third pressure measuring joint (303), K4P, K4T, K A and K4B are arranged corresponding to the fourth pressure measuring joint (304), and the holes are respectively provided with an extending oil duct in the integrated block (31).
  3. 3. The servo machine tool energy saving system of claim 2, wherein the extending oil passages corresponding to the K1A port, the K1B port, the K2A port, the K2B port, the K3A port, the K3B port, the K4A port and the K4B port on the integrated block (31) are also provided with an A1 port, a B1 port, an A2 port, a B2 port, an A3 port, a B3 port, an A4 port and a B4 port.
  4. 4. The servo machine tool energy saving system of claim 3, wherein the integrated block (31) is further internally provided with a first oil inlet (311), a second oil inlet (312), a first oil return port (313), a second oil return port (314), an oil passage I (315) and an oil passage II (316), and the external mounting surface of the integrated block (31) is further provided with a direct-acting overflow valve (32), a pressure relay (33), a first one-way valve (34), a second one-way valve (35) and an unloading valve (36).
  5. 5. The servo machine tool energy saving system of claim 4, wherein the first oil duct (315) is communicated with the first oil inlet (311) and the second oil inlet (312), and is respectively connected with the first one-way valve (34), the second one-way valve (35), the pressure relay (33), the direct-acting overflow valve (32), the K1P port, the K2P port, the K3P port and the K4P port, the second one-way valve (35) is connected with the second oil inlet (312), an unloading valve (36) is arranged at the joint of the second one-way valve (35) and the second oil inlet (312), the unloading valve (36) is connected with the second oil return port (314), and the second oil duct (316) is respectively connected with the K1T port, the K2T port, the K3T port, the K4T port and the first oil return port (313).
  6. 6. The energy-saving system of a servo machine tool according to any one of claims 1-5, wherein the driving device (2) is mounted on an upper mounting surface of the oil tank (1), the electric control cabinet (8) is assembled at the side of the oil tank (1), the driving device (2) comprises a servo motor (21) and a pump sleeve (22) and a duplex gear pump (23) which are sequentially assembled from top to bottom, the pump sleeve (22) and the duplex gear pump (23) are arranged below the servo motor (21), the servo motor (21) and the duplex gear pump (23) are in transmission connection through the pump sleeve (22) to realize power output of servo driving, the servo motor (21) is arranged on the upper mounting surface of the oil tank (1), the pump sleeve (22) and the duplex gear pump (23) are communicated with the inside of the oil tank (1), and the electric control cabinet (8) is respectively and electrically connected with the driving device (2) and the integrated valve group (3).
  7. 7. The servo machine tool energy-saving system of claim 6, wherein an air filter (11), a liquid temperature controller (12), a liquid level controller (13) and a liquid level meter (14) are further integrated on an installation surface of the oil tank (1), the air filter (11) is arranged at the top opening of the oil tank (1), the liquid temperature controller (12) is embedded and installed on the side wall of the oil tank (1), the liquid level controller (13) and the liquid level meter (14) are both installed on one side, close to the electric control cabinet (8), of the installation surface of the oil tank (1), and the liquid level controller (13) is electrically connected with the electric control cabinet (8) so as to realize real-time monitoring and abnormal feedback of the liquid level in the oil tank (1).
  8. 8. The energy-saving system of servo machine tool of claim 7, wherein pressure gauges are arranged on the pressure measuring joints.
  9. 9. The servo machine tool energy saving system of claim 8, wherein an electric energy meter is arranged at a circuit incoming line position in the electric control cabinet (8), and the electric energy meter can monitor the electric quantity used in unit time of the hydraulic system in real time.

Description

Servo machine tool energy-saving system Technical Field The invention belongs to the field of servo machine tool control systems, and particularly relates to an energy-saving system of a servo machine tool. Background The traditional servo machine tool system is mainly used in the fields of precision machining, microminiature component assembly and the like, but the traditional servo machine tool system is mainly used for hydraulic driving, the problems that the response of a hydraulic element is delayed and the pressure fluctuation exists, the positioning precision is difficult to control, the machining and assembly requirements of microminiature components such as a precision valve core and a microminiature sensor component cannot be met, meanwhile, the defects that the integration is poor, the power unit, the control module and the actuating mechanism are distributed are overcome, the occupied space is large, the pipeline is complex, the deployment of a miniaturized operation scene is not facilitated, in the aspect of stability, the driving parameter adjustment of the traditional system depends on a hardware valve or a pressure regulating valve, the real-time and continuous digital regulation and control cannot be realized, the differentiated chemical requirements of workpieces with multiple specifications are difficult to adapt, the problems that the equipment failure rate is high, the maintenance cost is increased due to the problems of hydraulic oil leakage, the component abrasion and the like are solved to a certain extent, the defects that the matching precision of an actuating end and the power end is low, the whole volume redundancy of the equipment is difficult to realize, the actual requirements of precision and the miniaturization are difficult, and the conventional servo machine tool system cannot intuitively reflect the electric energy consumption. Disclosure of Invention Aiming at the defects of the prior art, the invention provides an energy-saving system of a servo machine tool, which comprises an oil tank, wherein an electric control cabinet is arranged on one side of the oil tank, a driving device and an integrated valve group are further arranged on the oil tank, the integrated valve group is arranged on one side of an installation surface on the oil tank, the integrated valve group comprises an integrated block, a direct-acting overflow valve and a pressure relay which are inserted on the integrated block, a first pressure measuring joint, a second pressure measuring joint, a third pressure measuring joint and a fourth pressure measuring joint are arranged on the installation surface on the integrated block in parallel, a first transition block and a first electromagnetic reversing valve are arranged on the first pressure measuring joint in a superposition manner, a second transition block and a second electromagnetic reversing valve are arranged on the second pressure measuring joint in a superposition manner, a third transition block and a third electromagnetic reversing valve are arranged on the third pressure measuring joint in a superposition manner, and a fourth electromagnetic reversing valve is arranged on the fourth pressure measuring joint in a superposition manner. Further, a plurality of holes are formed in the mounting surface of the integrated block, wherein K1P, K1T, K A and K1B are arranged corresponding to the first pressure measuring joint, K2P, K2T, K A and K2B are arranged corresponding to the second pressure measuring joint, K3P, K3T, K A and K3B are arranged corresponding to the third pressure measuring joint, K4P, K4T, K A and K4B are arranged corresponding to the fourth pressure measuring joint, and extension oil ducts are arranged in the holes in the integrated block. Further, the extending oil ducts corresponding to the K1A port, the K1B port, the K2A port, the K2B port, the K3A port, the K3B port, the K4A port and the K4B port on the integrated block are also provided with an A1 port, a B1 port, an A2 port, a B2 port, an A3 port, a B3 port, an A4 port and a B4 port. Further, a first oil inlet, a second oil inlet, a first oil return port, a second oil return port, an oil duct I and an oil duct II are further arranged in the integrated block, and a direct acting overflow valve, a pressure relay, a first one-way valve, a second one-way valve and an unloading valve are further arranged on the mounting surface outside the integrated block. Further, the first oil duct is communicated with the first oil inlet and the second oil inlet, and is respectively connected with a first one-way valve, a second one-way valve, a pressure relay, a direct-acting overflow valve, a K1P port, a K2P port, a K3P port and a K4P port, the second one-way valve is connected with the second oil inlet, an unloading valve is arranged at the joint of the second one-way valve and the second oil inlet, the unloading valve is connected with a second oil return port, and the oil duct is respectiv