Automatic hydraulic pump station applied to numerical control rotary cylinder

Abstract

The invention discloses an automatic hydraulic pump station applied to a numerical control rotary cylinder. The automatic hydraulic pump station comprises a base, and an oil tank and a limiting tank which are distributed at intervals are installed at the top of the base; the cover plate is mounted at the top of the oil tank, and a programmable logic controller is arranged at the top of the cover plate; the supporting frame is installed on the side surface of the oil tank, and a hydraulic pump is arranged at the top of the supporting frame; the filtering device comprises a fine filter of which one end is inserted into the limiting box, and a filtering net seat which is detachably arranged at the top of the fine filter; the numerical control rotary cylinder has the beneficial effects that the automatic control level of the numerical control rotary cylinder is remarkably improved, manual intervention is reduced, and the machining precision and efficiency are improved; through precise control of the programmable logic controller, the response speed of the rotary cylinder is higher, the positioning precision is higher, and the requirements of a complex numerical control machining process can be met; the filtering device greatly reduces abrasion of impurities in oil liquid to components of the rotary cylinder.

Description

Technical Field

[0001] The present invention belongs to the technical field of numerical control equipment, and particularly relates to an automated hydraulic pump station applied to a numerical control rotary cylinder. Background Art

[0002] In the field of numerical control machining, the numerical control rotary cylinder, as an important actuator, is used to realize operations such as the rotary positioning and clamping of workpieces; the quality of its working performance directly affects the machining accuracy and efficiency; the hydraulic pump station plays an important role in the numerical control rotary cylinder.

[0003] An automatic split-type hydraulic pump station with the patent publication number of CN118640195A, which discloses a base, an oil tank fixedly installed on the top of the base, a driving mechanism and a heat dissipation box, and a sealing plate fixedly installed on the top of the oil tank. A first fixing frame and a second fixing frame are arranged on one side of the oil tank, a hydraulic pump is fixedly installed on the top of the first fixing frame, and a stirring mechanism is rotatably connected to the middle of the sealing plate.

[0004] An automated hydraulic pump station applied to a numerical control rotary cylinder with the patent publication number of CN215762505U, which discloses a hydraulic pump station and a servo hydraulic system for controlling the operation of the hydraulic pump station. The servo hydraulic system consists of an auxiliary circuit, a servo drive motor and a controller. The controller is used to control and adjust the operation of the hydraulic pump station. The rated voltage during operation of the hydraulic pump station can be set through the controller. The servo drive motor is located on the hydraulic pump station and is used to provide driving force for the hydraulic pump station. The controller can be connected to the main circuit of the hydraulic pump station through the auxiliary circuit.

[0005] Traditional hydraulic pump stations have low automation levels and are difficult to meet the requirements of rapid response and precise control of the rotary cylinder during the numerical control machining process; moreover, existing hydraulic pump stations have deficiencies in oil filtration and fault diagnosis, which easily lead to hydraulic oil pollution, affect the working stability of the system, and even cause faults, reducing the service life of the equipment and increasing the maintenance cost. Summary of the Invention

[0006] The purpose of the present invention is to provide an automated hydraulic pump station applied to a numerical control rotary cylinder, solve the problems of low automation level, poor oil treatment capacity and difficult fault diagnosis of existing hydraulic pump stations, and achieve efficient, stable and precise control of the numerical control rotary cylinder.

[0007] To achieve the above purpose, the present invention provides the following technical solution: An automated hydraulic pump station applied to a numerical control rotary cylinder, comprising

[0008] a base, on the top of which an oil tank and a limiting box are installed at intervals.

[0009] A cover plate, which is installed on the top of the fuel tank, and a programmable logic controller is provided on the top of the cover plate;

[0010] A support frame, which is installed on the side surface of the fuel tank, and a hydraulic pump is provided on the top of the support frame;

[0011] A filtering device, which includes a fine filter with one end inserted into the inside of the limiting box, a filter mesh seat detachably arranged on the top of the fine filter, the inlet pipe of the hydraulic pump extends into the inside of the fuel tank, the outlet pipe of the hydraulic pump is connected to the fine filter, and a control valve is provided on the top of the cover plate on the outlet pipe;

[0012] A pressure sensor installed on the hydraulic pipeline near the numerical control rotary cylinder, and the pressure sensor is communicatively connected to the programmable logic controller;

[0013] A flow sensor installed in the oil pipeline, and the flow sensor is communicatively connected to the programmable logic controller;

[0014] A remote monitoring terminal communicatively connected to the programmable logic controller.

[0015] As a preferred technical solution of the present invention, a fault diagnosis algorithm for sending out a warning signal is provided inside the programmable logic controller.

[0016] As a preferred technical solution of the present invention, it further includes vertical plates symmetrically arranged on the top of the fine filter and extension parts symmetrically arranged on the outer wall of the filter mesh seat.

[0017] As a preferred technical solution of the present invention, one end of the vertical plate is provided with a fixing seat for the extension part to insert, and rib plates abutted against the extension part are symmetrically arranged on the inner side surface of the fixing seat.

[0018] As a preferred technical solution of the present invention, the inlet pipe of the hydraulic pump extends into the inside of the fuel tank and is connected to a coarse filter.

[0019] As a preferred technical solution of the present invention, the cover plate and the fuel tank are detachably connected, and a fuel filling port communicating with the inside of the fuel tank is provided on the top of the cover plate.

[0020] As a preferred technical solution of the present invention, one end of the limiting box is hinged with a box cover, and a limiting seat for the fine filter to insert is installed on the inner bottom of the limiting box.

[0021] As a preferred technical solution of the present invention, a spring is provided on the inner wall of the limiting seat, and an arc-shaped clamping plate clamped on the fine filter is provided at one end of the spring.

[0022] As a preferred technical solution of the present invention, a guide groove is provided inside the limiting seat, and a guide rod that can be inserted into the guide groove is provided on the arc-shaped clamping plate.

[0023] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0024] The automatic control level of the numerically controlled rotary cylinder is significantly improved, manual intervention is reduced, and the machining accuracy and efficiency are improved; through the precise control of the programmable logic controller, the response speed of the rotary cylinder is faster, the positioning accuracy is higher, and the requirements of complex numerical control machining processes can be met;

[0025] The filtering device greatly reduces the wear of the components of the rotary cylinder by impurities in the oil;

[0026] The potential faults of the hydraulic pump station can be detected in time, accurate fault information is provided for maintenance personnel, which is convenient for rapid maintenance, improves the reliability and availability of the equipment, and reduces the production losses caused by equipment failures. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 is a schematic structural diagram of the present invention;

[0028] Figure 2 is a schematic structural diagram of the fine filter of the present invention placed in the limiting box;

[0029] Figure 3 For the present invention Figure 2 is an enlarged schematic structural diagram of area G in

[0030] Figure 4 For the present invention Figure 2 is an enlarged schematic structural diagram of area F in

[0031] Figure 5 is a schematic structural diagram of the fixed seat of the present invention;

[0032] Figure 6 is a schematic control diagram of the present invention;

[0033] In the figure: 1, base; 2, fuel tank; 3, cover plate; 31, programmable logic controller; 32, control valve; 4, support frame; 41, hydraulic pump; 5, limiting box; 51, box cover; 6, fine filter; 61, filter screen seat; 610, extension part; 7, limiting seat; 71, guide groove; 72, spring; 8, arc-shaped clamping plate; 81, guide rod; 9, vertical plate; 91, fixed seat; 910, rib plate. DETAILED DESCRIPTION OF THE INVENTION

[0034] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0035] Embodiment 1

[0036] Please refer to Figure 1 、 Figure 2 、 Figure 4 、 Figure 5 、 Figure 6 , which is the first embodiment of the present invention. This embodiment provides an automated hydraulic pump station applied to a numerically controlled rotary cylinder, including

[0037] Base 1, on the top of the base 1, an oil tank 2 and a limiting box 5 are installed at intervals. The base 1 increases the support for the oil tank 2 and the limiting box 5;

[0038] Cover plate 3, the cover plate 3 is installed on the top of the oil tank 2. Removing the cover plate 3 facilitates the maintenance inside the oil tank 2, and a programmable logic controller 31 is provided on the top of the cover plate 3, which increases the convenience of use through the programmable logic controller 31;

[0039] Support frame 4, the support frame 4 is installed on the side surface of the oil tank 2, realizing the addition of the support frame 4, and a hydraulic pump 41 is provided on the top of the support frame 4. The support frame 4 increases the support for the hydraulic pump 41;

[0040] Filter device, the filter device includes a fine filter 6 with one end inserted into the limiting box 5, a filter screen seat 61 detachably installed on the top of the fine filter 6. The inlet pipe of the hydraulic pump 41 extends into the interior of the oil tank 2 and is connected with a coarse filter, which can filter out large particle impurities to prevent them from entering the hydraulic system. The outlet pipe of the hydraulic pump 41 is connected with the fine filter 6, and a control valve 32 is provided on the top of the cover plate 3 on the outlet pipe, which further increases the convenience of use by using the control valve 32;

[0041] A pressure sensor installed on the hydraulic pipeline near the numerically controlled rotary cylinder, and the pressure sensor is communicatively connected with the programmable logic controller 31; it can accurately measure the oil pressure entering the rotary cylinder. According to the preset parameter range and the control instructions sent by the numerical control system, the programmable logic controller 31 automatically adjusts the output power of the hydraulic pump and the opening of the proportional valve to achieve precise control of the working state of the rotary cylinder; when it detects that the pressure rises abnormally, the programmable logic controller 31 immediately controls the proportional valve to increase the opening to reduce the system pressure and prevent the rotary cylinder from being damaged due to excessive pressure;

[0042] A flow sensor installed in the oil pipeline, and the flow sensor is communicatively connected to the programmable logic controller 31; when the flow sensor detects abnormal fluctuations in the flow rate and lasts for a period of time, the system determines that there may be faults such as internal wear of the hydraulic pump or pipeline leakage, and issues corresponding warnings.

[0043] A remote monitoring terminal communicatively connected to the programmable logic controller 31 transmits the fault information to the remote monitoring terminal through a communication module. Maintenance personnel can quickly locate the fault point based on the fault information, perform repairs in a timely manner, and reduce the equipment downtime.

[0044] In this embodiment, preferably, a fault diagnosis algorithm for emitting warning signals is provided inside the programmable logic controller 31, which can accurately emit warnings.

[0045] In this embodiment, preferably, vertical plates 9 symmetrically arranged on the top of the fine filter 6 are added, and extensions 610 symmetrically arranged on the outer wall of the filter screen seat 61 are added.

[0046] In this embodiment, preferably, a fixing seat 91 for inserting the extension 610 is provided at one end of the vertical plate 9, and rib plates 910 abutted against the extension 610 are symmetrically arranged on the inner side surface of the fixing seat 91. When the filter screen seat 61 is disassembled, it can be pulled out for cleaning. After cleaning, the filter screen seat 61 is installed on the fine filter 6, so that the extension 610 is inserted into the fixing seat 91 and abutted against the two rib plates 910, realizing the quick installation of the filter screen seat 61.

[0047] In this embodiment, preferably, the cover plate 3 and the fuel tank 2 are detachably connected, and a fuel filling port communicating with the inside of the fuel tank 2 is provided on the top of the cover plate 3, which facilitates the replenishment of oil in the fuel tank 2 through the fuel filling port.

[0048] Embodiment 2

[0049] Please refer to Figures 1 - 6 , which is the second embodiment of the present invention. This embodiment is based on the previous embodiment, and the difference is:

[0050] One end of the limiting box 5 is hinged with a box cover 51 which can be opened. A limiting seat 7 for inserting the fine filter 6 is installed at the inner bottom of the limiting box 5 to improve the limiting performance. A spring 72 is arranged on the inner wall of the limiting seat 7, thus realizing the addition of the spring 72. One end of the spring 72 is provided with an arc-shaped clamping plate 8 which clamps on the fine filter 6. When the fine filter 6 is inserted into the inside of the limiting seat 7, the fine filter 6 presses the two arc-shaped clamping plates 8, and the two arc-shaped clamping plates 8 press the corresponding springs 72. After the springs 72 are compressed and reset, they drive the two arc-shaped clamping plates 8 to clamp on the fine filter 6 to reinforce the fine filter 6. A guide groove 71 is formed inside the limiting seat 7, thus realizing the formation of the guide groove 71. A guide rod 81 which can be inserted into the inside of the guide groove 71 is arranged on the arc-shaped clamping plate 8. By means of the cooperation of the guide rod 81 and the guide groove 71, the guiding of the arc-shaped clamping plate 8 during movement is increased.

[0051] The working principle and usage process of the present invention are as follows: The automatic hydraulic pump station works; the hydraulic pump 41 sucks oil from the oil tank 2, and after preliminary filtration by the coarse filter, pressurizes and outputs the oil; the oil is filtered by the fine filter 6 and then enters the numerical control rotary cylinder to drive the rotary cylinder to work; during the working process, the pressure sensor and the flow sensor collect data in real time and transmit the data to the programmable logic controller 31. The programmable logic controller 31 adjusts the output power of the hydraulic pump and the opening degree of the proportional valve according to the preset control strategy and the collected data to ensure the stable operation of the numerical control rotary cylinder; when an abnormal situation is detected, a warning signal is immediately sent out and the operation of the hydraulic pump 41 is stopped.

[0052] Although the embodiments of the present invention have been shown and described, see the above detailed description. For those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirits of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automated hydraulic pumping station applied to a numerically controlled rotary cylinder, characterized in that: including a base (1) on the top of which an oil tank (2) and a limiting box (5) are installed at intervals; a cover plate (3) installed on the top of the oil tank (2), and a programmable logic controller (31) is arranged on the top of the cover plate (3); a support frame (4) installed on the side surface of the oil tank (2), and a hydraulic pump (41) is arranged on the top of the support frame (4); a filtering device, the filtering device includes a fine filter (6) with one end inserted into the limiting box (5), and a filter mesh seat (61) detachably arranged on the top of the fine filter (6). The inlet pipe of the hydraulic pump (41) extends into the interior of the oil tank (2), the outlet pipe of the hydraulic pump (41) is connected to the fine filter (6), and a control valve (32) is arranged on the outlet pipe on the top of the cover plate (3); a pressure sensor installed on the hydraulic pipeline close to the numerical control rotary cylinder, and the pressure sensor is communicatively connected with the programmable logic controller (31); a flow sensor installed in the oil pipeline, and the flow sensor is communicatively connected with the programmable logic controller (31); a remote monitoring terminal communicatively connected with the programmable logic controller (31).

2. The automated hydraulic pump station applied to a numerically controlled rotary cylinder according to claim 1, wherein: A fault diagnosis algorithm for sending out a warning signal is arranged inside the programmable logic controller (31).

3. An automated hydraulic pump station applied to a numerically controlled rotary cylinder according to claim 1, characterized in that: It further includes vertical plates (9) symmetrically arranged on the top of the fine filter (6), and extension parts (610) symmetrically arranged on the outer wall of the filter mesh seat (61).

4. The automated hydraulic pump station applied to a numerically controlled rotary cylinder according to claim 3, wherein: One end of the vertical plate (9) is provided with a fixing seat (91) for the extension part (610) to insert, and rib plates (910) abutting against the extension part (610) are symmetrically arranged on the inner side surface of the fixing seat (91).

5. An automated hydraulic pumping station applied to a numerically controlled slewing cylinder according to claim 1, characterized in that: The inlet pipe of the hydraulic pump (41) extends into the interior of the oil tank (2) and is connected with a coarse filter.

6. An automated hydraulic pump station applied to a numerically controlled rotary cylinder according to claim 1, characterized in that: The cover plate (3) and the oil tank (2) are detachably connected, and a fuel filling port communicating with the interior of the oil tank (2) is arranged on the top of the cover plate (3).

7. An automated hydraulic pumping station applied to a numerically controlled rotary cylinder according to claim 1, characterized in that: One end of the limiting box (5) is hinged with a box cover (51), and a limiting seat (7) for the fine filter (6) to insert is installed on the inner bottom of the limiting box (5).

8. An automated hydraulic pump station applied to a numerically controlled rotary cylinder according to claim 6, characterized in that: A spring (72) is arranged on the inner wall of the limiting seat (7), and an arc-shaped clamping plate (8) clamping the fine filter (6) is arranged at one end of the spring (72).

9. An automated hydraulic pumping station applied to a numerically controlled rotary cylinder according to claim 8, characterized in that: A guide groove (71) is formed inside the limiting seat (7), and a guide rod (81) that can be inserted into the guide groove (71) is arranged on the arc-shaped clamping plate (8).

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