Alternating-current servo CSP pump capable of achieving constant-current output and using method of alternating-current servo CSP pump

Abstract

The invention relates to the technical field of alternating-current servo CSP pumps, in particular to an alternating-current servo CSP pump capable of achieving constant-current output and a using method thereof.The alternating-current servo CSP pump comprises a servo CSP pump driving end and a pump body, the pump body is installed at one end of the servo CSP pump driving end, and an oil inlet used for being connected with an oil tank is formed in the upper end of the pump body; an oil discharge connecting unit used for being connected with equipment is installed on the side face of the pump body. The oil discharge connecting unit comprises an oil discharge shell, a connecting hole is formed in the middle of the oil discharge shell, a filtering mechanism is fixedly connected into the connecting hole, a side hole and a front end hole are formed in the upper end of one side of the oil discharge shell and the lower end of the other side of the oil discharge shell correspondingly, sealing mechanisms are installed in the front end hole and the side hole correspondingly, and a reset mechanism is installed at one end of each sealing mechanism. In the later maintenance process, when the anti-explosion oil pipe is separated from the alternating current servo CSP pump, the sealing mechanism is pushed by the reset mechanism to automatically seal the connecting hole, and the problem that a large amount of hydraulic oil flows out of the connecting hole to cause waste can be avoided.

Description

Technical Field

[0001] The invention relates to the technical field of AC servo CSP pumps, in particular to an AC servo CSP pump capable of achieving constant current output and a use method thereof. Background Art

[0002] The AC servo CSP pump that can achieve constant current output is an advanced fluid conveying equipment. It is driven by an AC motor and combined with servo control technology to accurately control the output flow of the pump to keep it constant. This pump is usually equipped with a high-performance servo motor and a precise control system, which can quickly respond to external instructions and adjust the operating status of the pump in real time to adapt to different working conditions and needs. Its constant current output characteristics give it significant advantages in applications that require precise control of fluid flow, such as chemical, pharmaceutical, food processing and other industries. In addition, the AC servo CSP pump also has the characteristics of high efficiency, low energy consumption, and easy maintenance, which helps to improve the automation level and economic benefits of the production process; During the later maintenance of the AC servo CSP pump that can achieve constant current output, when the explosion-proof oil pipe connected to the equipment is disassembled, the hydraulic oil inside the AC servo CSP pump will flow out in large quantities through the connecting hole, causing waste of hydraulic oil. Therefore, in view of the above problem, an AC servo CSP pump that can achieve constant current output and a use method thereof are proposed. Summary of the invention

[0003] The object of the present invention is to provide an AC servo CSP pump capable of achieving constant current output and a method for using the same, so as to solve the problem that during the later maintenance of the AC servo CSP pump capable of achieving constant current output, when the explosion-proof oil pipe connected to the equipment is disassembled, the hydraulic oil inside the AC servo CSP pump will flow out in large quantities through the connecting hole, causing waste of hydraulic oil.

[0004] To achieve the above object, the present invention provides the following technical solutions: An AC servo CSP pump capable of achieving constant current output and a method for using the same, comprising a servo CSP pump driving end and a pump body, wherein the pump body is installed at one end of the servo CSP pump driving end, an oil inlet for connecting to an oil tank is provided at the upper end of the pump body, and an oil discharge connection unit for connecting to equipment is installed at the side of the pump body; the oil discharge connection unit comprises an oil discharge shell, a connection hole is provided in the middle of the oil discharge shell, a filter mechanism is fixedly connected inside the connection hole, a side hole and a front end hole are respectively provided at the upper end of one side of the oil discharge shell and the lower end of the other side, a sealing mechanism is installed inside the front end hole and the side hole, a reset mechanism is installed at one end of the sealing mechanism, and a distribution chamber is provided inside the oil discharge shell; the reset mechanism comprises a fixed column, a movable column is slidably connected to the inner side of one end of the fixed column through a telescopic spring, a through hole is provided inside the fixed column, side baffles are fixedly connected to both ends of the inner side of the through hole, and a limiting flow mechanism is rotatably connected inside the through hole.

[0005] As a further optimization of the present invention, the filtering mechanism comprises a filter screen plate, a spline hole is opened on the inner side of the filter screen plate, and sharp protrusions are distributed in an annular manner inside the spline hole.

[0006] As a further optimization content of the present invention, the sealing mechanism includes a sealing plate, one end of the sealing plate is fixedly connected to a delay ring plate, the other end of the delay ring plate is fixedly connected to a guide ring plate, square holes are opened on the inner sides of the upper end and the lower end of the guide ring plate, and a horizontal plate is fixedly connected to the middle of the other end of the guide ring plate.

[0007] As a further optimization of the present invention, a connecting thread is provided on the inner side of the end of the front end hole and the side hole away from the distribution chamber, the end of the front end hole and the side hole close to the distribution chamber is smooth, and the sealing mechanism is arranged at the smooth surface of the front end hole and the side hole.

[0008] As a further optimization of the present invention, the guide ring plate is slidably connected to the oil drain shell through the front end hole and the side hole smooth surface setting, the diameter of the sealing plate is 6 cm, and the diameter of the front end hole and the side hole is 5 cm.

[0009] As a further optimization of the present invention, one end of the fixed column away from the movable column is fixedly connected to the inner wall of the distribution chamber, the vertical section of the movable column is T-shaped, and the movable column is fixedly connected to the sealing plate.

[0010] As a further optimization of the present invention, there are multiple through holes, which are arranged in a circular shape and equidistantly inside the fixed column. There is a one-to-one correspondence between the through holes and the current limiting mechanisms. The current limiting mechanism is arranged at one end of the side baffle plate close to the center point of the fixed column, and there are two side baffle plates arranged inside any of the through holes.

[0011] As a further optimization of the present invention, the flow limiting mechanism includes a flow limiting plate, the flow limiting plate has a perforation therein, there are a plurality of perforations, and any perforation opened in the flow limiting plate is equidistantly arranged.

[0012] As a further optimization of the present invention, there are two sealing mechanisms and two resetting mechanisms, and there is a one-to-one correspondence between the sealing mechanisms and the resetting mechanisms, and there is a one-to-one correspondence between any of the sealing mechanisms and the resetting mechanisms and the front end hole and the side hole.

[0013] As further optimized content of the present invention, S1: connecting with equipment: the servo CSP pump as a whole is fixedly connected to one side of the equipment through a connecting frame and bolts. After the connection is completed, the oil inlet is connected to the hydraulic oil tank. After the connection is completed, the front end hole or the side hole is selected according to actual needs to connect with the equipment through an explosion-proof oil pipe; During the connection process, the connector of the explosion-proof oil pipe is connected to the front hole or the side hole through a thread. During the connection process, the connector squeezes the cross plate, thereby pushing the sealing mechanism as a whole to move into the distribution chamber. In the initial stage of connection, the delay ring plate is used to prevent the hydraulic oil in the distribution chamber from flowing out. When the connector is fully connected to the front hole or the side hole, the delay ring plate completely enters the distribution chamber, and the connector is connected to the inside of the distribution chamber. When the sealing mechanism enters the distribution chamber, the movable column moves toward the inside of the fixed column, and the hydraulic oil inside the fixed column is transferred to the outside of the fixed column through the perforation and the edge of the flow limiting plate; S2: Power on and run: After the installation is completed, power on the entire device, and then run the device; S3: Sealing test: During the operation of the equipment, clean the joints and observe the oil leakage at the cleaned positions. If there is no leakage, the equipment can be put into production. S4: Later maintenance: When the explosion-proof oil pipe connector needs to be removed from the oil discharge connection unit for later maintenance, the connector is moved out from the front hole and the side hole during the removal process. When moving out, the movable column pushes the sealing mechanism to move away from the center point of the distribution chamber through the telescopic spring, so as to achieve the sealing of the front hole and the side hole; During this process, the hydraulic oil in the distribution chamber enters into the fixed column, and the limiting plate flips over to accelerate the hydraulic oil in the distribution chamber to enter into the fixed column.

[0014] Compared with the prior art, the present invention has the following beneficial effects: 1. In the present invention, by providing a sealing mechanism and a reset mechanism, during the later maintenance process, when the explosion-proof oil pipe is separated from the AC servo CSP pump, the sealing mechanism automatically seals the connection hole under the push of the reset mechanism, thereby preventing a large amount of hydraulic oil from flowing out of the connection hole, causing waste; 2. In the present invention, the reset mechanism is provided, and in the process of installing and removing the explosion-proof pipe for equipment connection, the flow limiting mechanism is cooperated to adjust the moving speed of the sealing mechanism to meet the different requirements of different installations and removals, and further avoid the waste of hydraulic oil in the later maintenance process; 3. In the present invention, the filter mechanism can be used to puncture the bubbles inside the hydraulic oil during the emptying stage, thereby improving the efficiency and effect of the emptying. At the same time, the front end hole and the side hole can be used to select the installation direction of the explosion-proof oil pipe connected to the equipment according to actual needs, which is suitable for AC servo CSP pumps installed at an angle. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the structure of the oil discharge connection unit of the present invention; Figure 3 It is a schematic diagram of the structure of the filtering mechanism of the present invention; Figure 4 For the present invention Figure 3 Schematic diagram of the structure at A in the middle; Figure 5 It is a schematic diagram of the sealing mechanism structure of the present invention; Figure 6 It is a schematic diagram of the structure of the reset mechanism of the present invention; Figure 7 This is a schematic diagram of the fixed column structure of the present invention; Figure 8 For the present invention Figure 6 Schematic diagram of the structure at B in the middle; Fig. 9 It is a schematic diagram of the structure of the current limiting mechanism of the present invention.

[0016] In the figure: 1. Servo CSP pump drive end; 2. Pump body; 3. Oil inlet; 4. Oil drain connection unit; 41. Oil drain housing; 42. Front end hole; 43. Side hole; 44. Connection hole; 45. Filter mechanism; 451. Filter screen plate; 452. Spline hole; 46. ​​Sealing mechanism; 461. Sealing plate; 462. Delay ring plate; 463. Guide ring plate; 464. Square hole; 465. Horizontal plate; 47. reset mechanism; 471. fixed column; 472. movable column; 473. telescopic spring; 474. through hole; 475. side baffle; 476, current limiting mechanism; 4761, current limiting plate; 4762, perforation; 48. Distribution chamber. DETAILED DESCRIPTION

[0017] See also Figure 1-9 , the present invention provides a technical solution: An AC servo CSP pump capable of achieving constant current output and a method of using the same include a servo CSP pump drive end 1 and a pump body 2. The servo CSP pump drive end 1 is provided with the pump body 2 at one end. The upper end of the pump body 2 is provided with an oil inlet 3 for connecting to an oil tank. The side of the pump body 2 is provided with an oil discharge connection unit 4 for connecting to equipment. The oil discharge connection unit 4 includes an oil discharge shell 41. A connection hole 44 is provided in the middle of the oil discharge shell 41. A filter mechanism 45 is fixedly connected to the connection hole 44. The upper end of one side of the oil discharge shell 41 and the lower end of the other side are respectively provided with a filter mechanism 45. A side hole 43 and a front end hole 42 are respectively provided, and a sealing mechanism 46 is installed inside the front end hole 42 and the side hole 43, and a reset mechanism 47 is installed at one end of the sealing mechanism 46. A distribution chamber 48 is provided inside the oil drain shell 41; the reset mechanism 47 includes a fixed column 471, and a movable column 472 is slidably connected to the inner side of one end of the fixed column 471 through a telescopic spring 473. A through hole 474 is provided on the inner side of the fixed column 471, and side baffles 475 are fixedly connected to the inner ends of the through hole 474. The inner side of the through hole 474 is rotatably connected to a limiting flow mechanism 476.

[0018] As a further technical solution of the present invention, the filter mechanism 45 includes a filter screen 451, a spline hole 452 is provided inside the filter screen 451, and sharp protrusions are arranged in an annular manner inside the spline hole 452. Through the above arrangement, the bubbles inside the hydraulic oil can be punctured during the emptying stage. As a technical solution for further implementation of this solution, the sealing mechanism 46 includes a sealing plate 461, one end of the sealing plate 461 is fixedly connected to a delay ring plate 462, the other end of the delay ring plate 462 is fixedly connected to a guide ring plate 463, the inner sides of the upper and lower ends of the guide ring plate 463 are both provided with square holes 464, and the middle of the other end of the guide ring plate 463 is fixedly connected to a horizontal plate 465. Through the above arrangement, the front end hole 42 and the side hole 43 can be sealed; As a further technical solution of the present invention, a connecting thread is provided inside the end of the front end hole 42 and the side hole 43 away from the distribution cavity 48, and the end of the front end hole 42 and the side hole 43 close to the distribution cavity 48 is provided with a smooth surface, and the sealing mechanism 46 is provided at the smooth surface of the front end hole 42 and the side hole 43. Through the above-mentioned arrangement, the sealing effect of the sealing mechanism 46 on the front end hole 42 and the side hole 43 can be improved; As a further technical solution of this scheme, the guide ring plate 463 is slidably connected with the oil drain shell 41 through the smooth surface setting of the front end hole 42 and the side hole 43. The diameter of the sealing plate 461 is 6 cm, and the diameter of the front end hole 42 and the side hole 43 is 5 cm. Through the above arrangement, the sealing effect of the sealing mechanism 46 on the front end hole 42 and the side hole 43 can be further improved; As a further technical solution of the present invention, one end of the fixed column 471 away from the movable column 472 is fixedly connected to the inner wall of the distribution chamber 48, the vertical section of the movable column 472 is T-shaped, and the movable column 472 is fixedly connected to the sealing plate 461. Through the above arrangement, the stability of the movable column 472 during movement can be improved; As a technical solution for further implementation of this solution, a plurality of through holes 474 are provided, and the through holes 474 are equidistantly arranged in a ring shape inside the fixed column 471. The through holes 474 correspond to the flow limiting mechanisms 476 one by one, and the flow limiting mechanisms 476 are arranged at one end of the side baffle plate 475 close to the center point of the fixed column 471. Two side baffle plates 475 are arranged inside any through hole 474. Through the above arrangement, the flow limiting plate 4761 can be stably limited. As a technical solution for further implementing the present solution, the flow limiting mechanism 476 includes a flow limiting plate 4761, a through hole 4762 is provided inside the flow limiting plate 4761, a plurality of through holes 4762 are provided, and the through holes 4762 provided inside any flow limiting plate 4761 are arranged equidistantly. Through the above arrangement, the effect of unidirectional flow limiting can be improved; As a further technical solution of the present invention, two sealing mechanisms 46 and two resetting mechanisms 47 are provided, and there is a one-to-one correspondence between the sealing mechanisms 46 and the resetting mechanisms 47. Any sealing mechanism 46 and the resetting mechanism 47 correspond to the front end hole 42 and the side hole 43. Through the above arrangement, the stability of the overall device during use can be further improved. As a technical solution for further implementation of this scheme, S1: connecting with the equipment: the servo CSP pump as a whole is fixedly connected to one side of the equipment through a connecting frame and bolts. After the connection is completed, the oil inlet 3 is connected to the hydraulic oil tank. After the connection is completed, the front end hole 42 or the side hole 43 is selected according to actual needs to connect with the equipment through an explosion-proof oil pipe; During the connection process, the connector of the explosion-proof oil pipe is connected to the front hole 42 or the side hole 43 through a thread. During the connection process, the connector squeezes the cross plate 465, thereby pushing the sealing mechanism 46 as a whole to move into the distribution chamber 48. In the initial stage of connection, the delay ring plate 462 is used to prevent the hydraulic oil in the distribution chamber 48 from flowing out. When the connector is completely connected to the front hole 42 or the side hole 43, the delay ring plate 462 completely enters the distribution chamber 48, and the connector is connected to the inside of the distribution chamber 48. When the sealing mechanism 46 enters the distribution chamber 48, the movable column 472 moves toward the inside of the fixed column 471, and the hydraulic oil inside the fixed column 471 is transferred to the outside of the fixed column 471 through the through hole 4762 and the edge of the flow limiting plate 4761; S2: Power on and run: After the installation is completed, power on the entire device, and then run the device; S3: Sealing test: During the operation of the equipment, clean the joints and observe the oil leakage at the cleaned positions. If there is no leakage, the equipment can be put into production. S4: Later maintenance: When the explosion-proof oil pipe connector needs to be removed from the oil discharge connection unit 4 for later maintenance, the connector is moved out of the front hole 42 and the side hole 43 during the removal process. When moving out, the movable column 472 pushes the sealing mechanism 46 to move away from the center point of the distribution chamber 48 through the telescopic spring 473, so as to achieve the sealing of the front hole 42 and the side hole 43; During this process, the hydraulic oil in the distribution chamber 48 enters into the fixed column 471 , and the limiting plate 4761 flips over to accelerate the hydraulic oil in the distribution chamber 48 to enter into the fixed column 471 .

[0019] This article uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only used to help understand the method and core ideas of the present invention. The above is only a preferred implementation of the present invention. It should be pointed out that due to the limitations of textual expression and the objective existence of infinite specific structures, ordinary technicians in this technical field can make several improvements, modifications or changes without departing from the principles of the present invention, and can also combine the above technical features in an appropriate manner; these improvements, modifications, changes or combinations, or the direct application of the inventive concept and technical solution to other occasions without improvement, should be regarded as the protection scope of the present invention.

Claims

1. An AC servo CSP pump capable of achieving constant current output, comprising a servo CSP pump drive end (1) and a pump body (2), characterized in that: A pump body (2) is installed at one end of the servo CSP pump driving end (1); an oil inlet (3) for connecting to an oil tank is provided at the upper end of the pump body (2); and an oil discharge connection unit (4) for connecting to equipment is installed on the side of the pump body (2); The oil drain connection unit (4) comprises an oil drain shell (41), a connection hole (44) is provided in the middle of the oil drain shell (41), a filter mechanism (45) is fixedly connected inside the connection hole (44), a side hole (43) and a front end hole (42) are respectively provided at an upper end on one side and a lower end on the other side of the oil drain shell (41), a sealing mechanism (46) is installed inside the front end hole (42) and the side hole (43), a reset mechanism (47) is installed at one end of the sealing mechanism (46), and a distribution chamber (48) is provided inside the oil drain shell (41); The reset mechanism (47) comprises a fixed column (471), one end of the fixed column (471) is slidably connected to a movable column (472) on the inner side via a telescopic spring (473), a through hole (474) is provided on the inner side of the fixed column (471), side baffles (475) are fixedly connected to both ends of the inner side of the through hole (474), and the inner side of the through hole (474) is rotatably connected to a flow limiting mechanism (476).

2. The AC servo CSP pump capable of achieving constant current output according to claim 1, characterized in that: The filtering mechanism (45) comprises a filtering screen plate (451), a spline hole (452) is provided on the inner side of the filtering screen plate (451), and sharp protrusions are distributed in an annular manner inside the spline hole (452).

3. The AC servo CSP pump capable of achieving constant current output according to claim 1, characterized in that: The sealing mechanism (46) comprises a sealing plate (461), one end of the sealing plate (461) being fixedly connected to a delay ring plate (462), the other end of the delay ring plate (462) being fixedly connected to a guide ring plate (463), square holes (464) being provided on the inner sides of the upper and lower ends of the guide ring plate (463), and a transverse plate (465) being fixedly connected to the middle of the other end of the guide ring plate (463).

4. The AC servo CSP pump capable of achieving constant current output according to claim 1, characterized in that: A connecting thread is provided on the inner side of one end of the front end hole (42) and the side hole (43) away from the distribution chamber (48); one end of the front end hole (42) and the side hole (43) close to the distribution chamber (48) is provided with a smooth surface; and the sealing mechanism (46) is provided at the smooth surface of the front end hole (42) and the side hole (43).

5. The AC servo CSP pump capable of achieving constant current output according to claim 3, characterized in that: The guide ring plate (463) is slidably connected to the oil drain housing (41) through the front end hole (42) and the side hole (43) where the smooth surface is set. The diameter of the sealing plate (461) is 6 cm, and the diameter of the front end hole (42) and the side hole (43) is 5 cm.

6. The AC servo CSP pump capable of achieving constant current output according to claim 1, characterized in that: One end of the fixed column (471) away from the movable column (472) is fixedly connected to the inner wall of the distribution chamber (48); the vertical cross-section of the movable column (472) is T-shaped; the movable column (472) is fixedly connected to the sealing plate (461).

7. The AC servo CSP pump capable of achieving constant current output according to claim 1, characterized in that: A plurality of through holes (474) are provided. The through holes (474) are equidistantly arranged in a ring shape inside the fixed column (471). There is a one-to-one correspondence between the through holes (474) and the flow limiting mechanisms (476). The flow limiting mechanisms (476) are arranged at one end of the side baffle plate (475) close to the center point of the fixed column (471). Two side baffle plates (475) are arranged inside any of the through holes (474).

8. The AC servo CSP pump capable of achieving constant current output according to claim 1, characterized in that: The flow limiting mechanism (476) comprises a flow limiting plate (4761), wherein a perforation (4762) is provided inside the flow limiting plate (4761), wherein a plurality of perforations (4762) are provided, and the perforations (4762) provided inside any one of the flow limiting plates (4761) are arranged equidistantly.

9. The AC servo CSP pump capable of achieving constant current output according to claim 1, characterized in that: Two of the sealing mechanisms (46) and the resetting mechanisms (47) are provided, and there is a one-to-one correspondence between the sealing mechanisms (46) and the resetting mechanisms (47), and there is a one-to-one correspondence between any of the sealing mechanisms (46) and the resetting mechanisms (47) and the front end hole (42) and the side hole (43).

10. The method for using an AC servo CSP pump capable of achieving constant current output according to claim 1, characterized in that: S1: Connecting with the equipment: The servo CSP pump is fixedly connected to one side of the equipment through a connecting frame and bolts. After the connection is completed, the oil inlet (3) is connected to the hydraulic oil tank. After the connection is completed, the front hole (42) or the side hole (43) is selected according to actual needs to connect to the equipment through an explosion-proof oil pipe; During the connection process, the connecting piece of the explosion-proof oil pipe is connected to the front end hole (42) or the side hole (43) through a thread. During the connection process, the connecting piece squeezes the cross plate (465), thereby pushing the sealing mechanism (46) as a whole to move into the distribution chamber (48). In the initial stage of connection, the delay ring plate (462) is used to prevent the hydraulic oil in the distribution chamber (48) from flowing out. When the connecting piece is completely connected to the front end hole (42) or the side hole (43), the delay ring plate (462) completely enters the distribution chamber (48), and the connecting piece is connected to the inside of the distribution chamber (48); When the sealing mechanism (46) enters the distribution chamber (48), the movable column (472) moves toward the inside of the fixed column (471), and the hydraulic oil inside the fixed column (471) is transferred to the outside of the fixed column (471) through the perforation (4762) and the edge of the flow limiting plate (4761); S2: Power on and run: After the installation is completed, power on the entire device, and then run the device; S3: Sealing test: During the operation of the equipment, clean the joints and observe the oil leakage at the cleaned positions. If there is no leakage, the equipment can be put into production. S4: Later maintenance: When the explosion-proof oil pipe connector needs to be removed from the oil discharge connection unit (4) for later maintenance, the connector is removed from the front hole (42) and the side hole (43) during the removal process. When the connector is removed, the movable column (472) pushes the sealing mechanism (46) to move away from the center point of the distribution chamber (48) through the telescopic spring (473), thereby achieving sealing of the front hole (42) and the side hole (43); During this process, the hydraulic oil in the distribution chamber (48) enters the interior of the fixed column (471), and the flow limiting plate (4761) flips over, accelerating the hydraulic oil in the distribution chamber (48) to enter the interior of the fixed column (471).

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