Multifunctional liquid supply device

Abstract

The utility model relates to the technical field of high-pressure liquid supply equipment, in particular to a multifunctional liquid supply device. The multifunctional liquid supply device comprises a liquid box used for containing liquid; the plunger pump assembly is communicated with the liquid tank and is used for pressurizing the liquid; the valve terminal assembly is provided with a plurality of output pipelines and input pipelines, at least one output pipeline is communicated with the liquid tank, at least one input pipeline is communicated with the plunger pump assembly, and the valve terminal assembly is used for achieving multi-path flow division of the high-pressure liquid; wherein a filter assembly with a plurality of filters is arranged on the liquid tank, and at least one filter is connected in series between the liquid tank and the plunger pump assembly and between the liquid tank and the valve terminal assembly respectively. According to the utility model, through the arrangement of the filtering assembly, impurities carried by liquid can be preliminarily removed when the liquid flows back to the liquid tank, secondary filtering is carried out when the liquid flows to the plunger pump from the liquid tank, and the liquid entering the processing equipment can be greatly purified, so that the processing equipment is prevented from being damaged due to blockage.

Description

TECHNICAL FIELD

[0001] The utility model relates to high pressure liquid supply equipment technical field especially relates to a multifunctional liquid supply device. BACKGROUND

[0002] With the popularization of intelligent factory, green factory construction gradually, high pressure cleaning production line, deburring production line gradually replaced the traditional through the workpiece cleaning deburring work by workers manually. And liquid supply device can provide high pressure liquid medium for cleaning machine and high pressure deburring equipment, became the necessary equipment of construction intelligent factory, green factory.

[0003] In the prior art, the liquid supply device often only contains a plunger pump, a liquid tank and a control system, so that the function of the liquid supply device is relatively single. In actual use, after the liquid medium in the liquid supply device is used for several times, the liquid medium will have a lot of impurities, and the liquid must be replaced frequently, otherwise the pipeline of the equipment will be blocked. Moreover, the plunger pump in the liquid supply device will generate a large vibration when running. The vibration will be transmitted to the adjacent processing equipment through the ground, resulting in a decrease in the precision of the adjacent processing equipment. SUMMARY

[0004] The utility model discloses at least one of the technical problems in the prior art. To this end, the utility model provides a multifunctional liquid supply device to realize the purpose of improving the filtering performance of the liquid supply device and reducing the vibration of the liquid supply device when running.

[0005] The utility model provides a multifunctional liquid supply device, and the multifunctional liquid supply device comprises:

[0006] A liquid tank is used for containing liquid.

[0007] A plunger pump assembly is in communication with the liquid tank and is used for pressurizing the liquid.

[0008] A valve island assembly is provided with a plurality of output pipelines and input pipelines, at least one output pipeline is in communication with the liquid tank, at least one input pipeline is in communication with the plunger pump assembly, and the valve island assembly is used for realizing multi-way distribution of high pressure liquid.

[0009] Among them, the liquid tank is provided with a filtering assembly with a plurality of filters, and at least one filter is connected in series between the liquid tank and the plunger pump assembly and between the liquid tank and the valve island assembly.

[0010] According to the multifunctional liquid supply device provided by the utility model, the filtering assembly comprises a backflow filter, a first output filter and a second output filter.

[0011] The backflow filter is connected in series between the liquid tank and the valve island assembly, and the first output filter and the second output filter are connected in series between the liquid tank and the plunger pump assembly to form a multi-stage filtering structure.

[0012] The multifunctional liquid supply device further comprises a lift pump connected in series between the second output filter and the plunger pump.

[0013] The plunger pump assembly comprises a plunger pump, a motor and a shaft coupling, two ends of the shaft coupling are respectively sleeved with an input shaft of the plunger pump and an output shaft of the motor, and the shaft coupling is used for eliminating the influence of concentricity error on the connection between the plunger pump and the motor.

[0014] The plunger pump assembly further comprises a pressure regulating valve installed on the plunger pump, and the pressure regulating valve is used for adjusting the pressure of the liquid delivered by the plunger pump to the valve island assembly.

[0015] The multifunctional liquid supply device further comprises a PLC controller, the filtering assembly is provided with a differential pressure sensor, the PLC controller is connected with the differential pressure sensor, and the PLC controller is used for monitoring the state of the multifunctional liquid supply device and controlling the operation of each function.

[0016] The multifunctional liquid supply device further comprises a shock-absorbing base, and the liquid tank, the valve island assembly and the plunger pump assembly are sequentially distributed on the top surface of the shock-absorbing base in counterclockwise order and are connected with the shock-absorbing base.

[0017] The shock-absorbing base comprises rubber pads, and the rubber pads are arranged between the connecting surface of the plunger pump assembly and the shock-absorbing base, and are used for absorbing the vibration generated during the operation of the plunger pump assembly.

[0018] The mounting frame of the shock-absorbing base is provided with a foot, which is used for adjusting the gap between the shock-absorbing base and the ground, so as to avoid the shaking of the liquid supply device during operation.

[0019] The multifunctional liquid supply device further comprises an outer shell installed on the shock-absorbing base, the outer shell covers the liquid tank, the plunger pump assembly and the filtering assembly, and the inner wall of the outer shell is provided with sound insulation cotton, which is used for reducing noise.

[0020] The one or more technical solutions in the utility model have at least one of the following technical effects: the filter assembly is arranged, impurities carried by liquid can be removed when the liquid flows back to the liquid tank, the liquid can be filtered again when the liquid flows from the liquid tank to the plunger pump, the liquid entering the processing equipment can be greatly purified, and thus the processing equipment is prevented from being blocked and the use time of the liquid is prolonged.

[0021] In addition to the technical problems solved by the utility model, the technical features of the technical solutions and the advantages brought by the technical features, other technical features of the utility model and the advantages brought by the technical features will be further described in combination with the drawings or understood through the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the utility model or the related technical solutions, the drawings needed to be used in the embodiments or the related technical solution descriptions will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor.

[0023] Figure 1 A three-dimensional structure schematic view of a multifunctional liquid supply device provided by the embodiments of the utility model.

[0024] Figure 2 A three-dimensional structure schematic view of another multifunctional liquid supply device provided by the embodiments of the utility model.

[0025] Figure 3 A side view of the multifunctional liquid supply device provided by the embodiments of the utility model.

[0026] Figure 4 A side view of another multifunctional liquid supply device provided by the embodiments of the utility model.

[0027] Figure 5 A shell structure schematic view of the multifunctional liquid supply device provided by the embodiments of the utility model.

[0028] REFERENCE SIGNS:

[0029] 1, damping base; 11, rubber pad; 12, foot; 13, plug-in slot; 2, plunger pump assembly; 21, pressure regulating valve; 22, plunger pump; 23, motor; 24, shaft coupling; 3, valve island assembly; 4, liquid tank; 5, filter assembly; 51, backflow filter; 52, second output filter; 53, first output filter; 6, lift pump; 7, PLC controller; 8, main liquid return pipeline; 9, main liquid supply pipeline; 10, shell. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical scheme and advantages of the utility model clearer, the technical scheme in the utility model will be clearly described in combination with the drawings in the utility model below. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without making creative labor belong to the protection scope of the utility model.

[0031] In the description of the embodiments of the utility model, it needs to be explained that the orientation or position relationship indicated by the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "medium plane", "top", "bottom", "inner", "outer" and the like is the orientation or position relationship shown based on the drawings, and is only for the convenience of describing the embodiments of the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the embodiments of the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0032] In the description of the embodiments of the utility model, it needs to be explained that, unless otherwise explicitly specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For the ordinary skilled in the art, the specific meaning of the above terms in the embodiments of the utility model can be understood according to the specific circumstances.

[0033] In the embodiments of the utility model, unless otherwise explicitly specified and limited, the first feature "on" or "under" the second feature can be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature "above", "above" and "above" of the second feature can be that the first feature is directly above or obliquely above the second feature, or it only means that the medium plane height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" of the second feature can be that the first feature is directly below or obliquely below the second feature, or it only means that the medium plane height of the first feature is less than that of the second feature.

[0034] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present embodiment. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any suitable manner in any one or more embodiments or examples. In addition, those skilled in the art can combine and combine different embodiments or examples described in the present specification and the features of different embodiments or examples without contradiction.

[0035] With the gradual popularization of intelligent factories and green factories, high-pressure cleaning production lines and deburring production lines gradually replace the traditional manual workpiece cleaning and deburring work by workers. The liquid supply device can provide high-pressure liquid medium for cleaning machines and high-pressure deburring equipment, and has become a necessary equipment for building intelligent factories and green factories.

[0036] In the prior art, the liquid supply device often only includes a plunger pump 22, a liquid tank 4 and a control system, so that the function of the liquid supply device is relatively single. In actual use, after the liquid medium in the liquid supply device is used for several times, there are many impurities in the liquid medium, and the liquid must be replaced frequently, otherwise the pipeline of the equipment will be blocked. Moreover, the plunger pump 22 in the liquid supply device will generate a large vibration when running. The vibration will be transmitted to the adjacent processing equipment through the ground, resulting in a decrease in the accuracy of the adjacent processing equipment.

[0037] To solve the above problems, in the embodiment of the present embodiment, a multifunctional liquid supply device is introduced. The multifunctional liquid supply device mainly includes a liquid tank 4, a plunger pump assembly 2 and a valve island assembly 3.

[0038] Specifically, as shown in Figures 1 to 5 The liquid tank 4 is used to contain liquid. The plunger pump assembly 2 communicates with the liquid tank 4 and is used to pressurize the liquid. The valve island assembly 3 is provided with a plurality of output pipelines and input pipelines. Moreover, at least one output pipeline of the valve island assembly 3 communicates with the liquid tank 4, and at least one input pipeline communicates with the plunger pump assembly 2, so as to realize the multi-way distribution of high-pressure liquid.

[0039] Among them, the liquid tank 4 is further provided with a filter assembly 5 having a plurality of filters. At least one filter is connected in series between the liquid tank 4 and the plunger pump assembly 2. Moreover, at least one filter is connected in series between the liquid tank 4 and the valve island assembly 3, so as to realize two filtering before the liquid enters the plunger pump 22, and ensure higher reliability of the liquid filtering.

[0040] Further, the multifunctional liquid supply device further comprises a head pump 6, a PLC controller 7 and a shock-absorbing base 1.

[0041] In the embodiment, the filter assembly 5 is arranged to preliminarily remove the impurities carried by the liquid when the liquid flows back to the liquid tank 4, and to perform secondary filtration when the liquid flows from the liquid tank 4 to the plunger pump 22, so that the liquid entering the processing equipment can be greatly purified, thereby avoiding the processing equipment from being blocked and prolonging the use time of the liquid.

[0042] On the basis of the above embodiment, another embodiment of the utility model discloses a multifunctional liquid supply device.

[0043] The filter assembly 5 comprises a backflow filter 51, a first output filter 53 and a second output filter 52.

[0044] Further, the multifunctional liquid supply device further comprises a head pump 6. The head pump 6 is connected in series between the second output filter 52 and the plunger pump 22.

[0045] In addition, the multifunctional liquid supply device further comprises a main liquid return pipeline 8 and a main liquid supply pipeline 9. When the multifunctional liquid supply device works, the liquid in the liquid tank 4 is subjected to two-stage fine filtration through the first output filter 53 and the second output filter 52, is delivered into the plunger pump 22 through the head pump 6, is subjected to pressure boosting by the plunger pump 22, and is then pumped out as high-pressure liquid to the valve island assembly 3. The pressure of the liquid can be adjusted through the pressure regulating valve 21. The high-pressure liquid enters the valve island assembly 3 from the plunger pump 22, and can be branched through the valve island assembly 3. The branched high-pressure liquid is delivered into the liquid-using equipment in the high-pressure cleaning and deburring production line through the main liquid supply pipeline 9. The used liquid mixed with impurities enters the backflow filter 51 through the main liquid return pipeline 8 and is returned to the liquid tank 4 after being filtered once.

[0046] On the basis of the above embodiment, another embodiment of the utility model discloses a multifunctional liquid supply device.

[0047] As shown in FIG. 2, the plunger pump assembly 2 comprises a plunger pump 22, a motor 23 and a shaft coupling 24. Figure 3 The two ends of the shaft coupling 24 are respectively sleeved with the input shaft of the plunger pump 22 and the output shaft of the motor 23, and are used to eliminate the influence of the concentricity error on the connection between the plunger pump 22 and the motor 23.

[0048] Further, the plunger pump assembly 2 further comprises a pressure regulating valve 21 installed on the plunger pump 22, for adjusting the pressure of the liquid delivered by the plunger pump 22 to the valve island assembly 3.

[0049] On the basis of the above-mentioned embodiments, another embodiment of the utility model introduces a multifunctional liquid supply device.

[0050] The multifunctional liquid supply device further comprises a PLC controller 7. The filter assembly 5 is provided with a differential pressure sensor, and the PLC controller 7 is connected with the differential pressure sensor, for monitoring the state of the multifunctional liquid supply device and controlling the operation of each function.

[0051] In addition, the filter assembly 5 comprises a differential pressure sensor. These sensors are connected with the PLC controller 7, and the PLC controller 7 can realize the state monitoring of the plunger pump assembly 2 and the filter assembly 5, and when the PLC controller 7 monitors abnormal signals from the sensors, it can alarm or even stop the pump, realizing the protection of the multifunctional liquid supply device.

[0052] Preferably, the plunger pump assembly 2 comprises a pressure gauge and an oil temperature and pressure sensor arranged on the plunger pump 22.

[0053] On the basis of the above-mentioned embodiments, another embodiment of the utility model introduces a multifunctional liquid supply device.

[0054] The multifunctional liquid supply device further comprises a shock-absorbing base 1. The liquid tank 4, the valve island assembly 3 and the plunger pump assembly 2 are sequentially distributed on the top surface of the shock-absorbing base 1 in counterclockwise order and are connected with the shock-absorbing base 1. In particular, the mounting frame of the shock-absorbing base 1 is provided with a foot 12 for leveling the gap between the shock-absorbing base 1 and the ground, avoiding the shaking of the liquid supply device during operation.

[0055] In addition, the multifunctional liquid supply device is often arranged in a production line, and if the plunger pump 22 vibrates greatly, the vibration will be transmitted to other processing equipment through the ground, affecting the precision of other processing equipment in the production line. Therefore, in the mounting frame of the shock-absorbing base 1, a ground corner for leveling and a rubber pad 11 for shock absorption are arranged, which can absorb part of the vibration generated during the operation of the plunger pump 22. In order to facilitate the movement of the multifunctional liquid supply device, a forklift transport fork groove is arranged on the side surface of the shock-absorbing base 1.

[0056] Preferably, the shock-absorbing base 1 comprises a rubber pad 11. The rubber pad 11 is arranged at least between the connecting surface of the plunger pump assembly 2 and the shock-absorbing base 1, for absorbing the vibration generated during the operation of the plunger pump assembly 2.

[0057] Further, in order to further reduce the noise of the multifunctional liquid supply device, an outer shell 10 is arranged above the damping base 1. The outer shell 10 covers the liquid tank 4, the plunger pump assembly 2 and the filter assembly 5,

[0058] The side wall and the top wall of the outer shell 10 are detachable. The outer shell 10 is provided with a door on the side close to the plunger pump 22, facilitating the maintenance of the internal components. A window is arranged on the door. The plunger pump assembly 2 is provided with a pressure gauge, and the liquid supply pressure of the internal plunger pump assembly 2 can be observed through the window.

[0059] Further, the inner wall of the outer shell 10 is provided with soundproof cotton, which can reduce the noise generated inside the multifunctional liquid supply device.

[0060] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, and are not limited thereto; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacements for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

[0061] The above is only a preferred embodiment of the present application, and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A multifunction liquid supply device characterized by comprising: The utility model relates to a multifunctional liquid supply device, comprising: a liquid tank (4) for containing liquid; a plunger pump assembly (2) in communication with the liquid tank (4) for pressurizing the liquid; a valve island assembly (3) provided with a plurality of output pipelines and input pipelines, at least one output pipeline being in communication with the liquid tank (4) and at least one input pipeline being in communication with the plunger pump assembly (2) for realizing multi-way distribution of high-pressure liquid; wherein the liquid tank (4) is provided with a filter assembly (5) having a plurality of filters, and at least one filter is connected in series between the liquid tank (4) and the plunger pump assembly (2) and between the liquid tank (4) and the valve island assembly (3).

2. The multi-functional liquid supply device according to claim 1, wherein The filter assembly (5) comprises a backflow filter (51), a first output filter (53) and a second output filter (52); the backflow filter (51) is connected in series between the liquid tank (4) and the valve island assembly (3), and the first output filter (53) and the second output filter (52) are connected in series between the liquid tank (4) and the plunger pump assembly (2) to form a multi-stage filtering structure.

3. The multi-functional liquid supply apparatus according to claim 2, wherein A lift pump (6) is further connected in series between the second output filter (52) and the plunger pump (22), and the first output filter (53) is connected in series between the liquid tank (4) and the second output filter (52).

4. The multi-functional liquid supply device according to any one of claims 1 to 3, wherein The plunger pump assembly (2) comprises a plunger pump (22), a motor (23) and a shaft coupling (24), the two ends of the shaft coupling (24) are respectively sleeved with an input shaft of the plunger pump (22) and an output shaft of the motor (23) to eliminate the influence of concentricity error on the connection between the plunger pump (22) and the motor (23).

5. The multi-functional liquid supply apparatus according to claim 4, wherein The plunger pump assembly (2) further comprises a pressure regulating valve (21) mounted on the plunger pump (22) for adjusting the pressure of the liquid delivered by the plunger pump (22) to the valve island assembly (3).

6. The multi-functional liquid supply apparatus according to claim 5, wherein A PLC controller (7) is further included, the filter assembly (5) is provided with a differential pressure sensor, the PLC controller (7) is connected with the differential pressure sensor for monitoring the state of the multifunctional liquid supply device and controlling the operation of each function.

7. The multi-functional liquid supply apparatus according to claim 4, wherein A shock-absorbing base (1) is further included, the liquid tank (4), the valve island assembly (3) and the plunger pump assembly (2) are sequentially distributed on the top surface of the shock-absorbing base (1) in counterclockwise order and connected with the shock-absorbing base (1).

8. The multi-functional liquid supply apparatus according to claim 7, wherein The shock-absorbing base (1) comprises rubber pads (11) arranged at least between the connecting surface of the plunger pump assembly (2) and the shock-absorbing base (1) for absorbing the vibration generated during the operation of the plunger pump assembly (2).

9. The multi-functional liquid supply apparatus according to claim 8, wherein The mounting frame of the shock-absorbing base (1) is provided with a foot (12) for leveling the gap between the shock-absorbing base (1) and the ground to avoid shaking of the liquid supply device during operation.

10. The multi-functional liquid supply apparatus according to claim 9, wherein A shell (10) mounted on the shock-absorbing base (1) is further included, the shell (10) covers the liquid tank (4), the plunger pump assembly (2) and the filter assembly (5), and the inner wall of the shell (10) is provided with soundproof cotton for reducing noise.

Images