Metering pump running-in rack

Abstract

The utility model discloses a metering pump running-in rack, which relates to the technical field of metering pump running-in and comprises a rack body used for supporting a metering pump. A liquid box is arranged in the frame body, and circulating liquid is arranged in the liquid box; the liquid tank is connected with a liquid supply pipe and a first liquid return pipe, and the liquid supply pipe and the first liquid return pipe are used for being connected with the input end and the output end of a pump cylinder body of the metering pump respectively; a first magnetic adsorption box capable of adsorbing scrap iron is arranged on a pipeline of the first liquid return pipe; the device is provided with the magnetic adsorption box capable of adsorbing scrap iron, so that scrap iron particles generated by running-in of the metering pump can be effectively removed; the circulating liquid can be repeatedly used, so that waste is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to metering pump running -in technical field, in particular to metering pump running -in bench. BACKGROUND

[0002] Metering pump includes motor, transmission case, pump cylinder body etc., can conveniently and accurately change the stroke of plug by adjusting the eccentric distance of eccentric wheel to realize the change of liquid sending amount.

[0003] Because the machining precision can not be 100 percent accurate, the surface of the moving parts of the newly produced metering pump is uneven in the working cooperation process, which will produce certain wear, that is, running -in wear, after the running -in operation of the metering pump, the cooperation between parts is more stable, in the prior art, the utility model patent CN208010578U metering pump running -in bench can be used for assisting the running -in of metering pump. UTILITY MODEL CONTENT

[0004] The utility model discloses a metering pump running -in bench, which can effectively remove the iron filings generated during the running -in of the metering pump pump cylinder body.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] The metering pump running -in bench comprises a frame body for supporting the metering pump, a liquid tank is arranged in the frame body, and a circulating liquid is arranged in the liquid tank.

[0007] The first magnetic adsorption box with the adsorbing iron filings can effectively remove the iron filings generated during the running -in of the metering pump pump cylinder body.

[0008] Further, the first magnetic adsorption box comprises a detachable box cover, and a plurality of magnetic rods for adsorbing iron filings are connected to the inner side of the box cover.

[0009] The magnetic rods with magnetism can effectively adsorb the iron filings in the circulating liquid flowing through the metering pump pump cylinder body.

[0010] Further, the circulating liquid is oil.

[0011] The beneficial effect is that oil is used as the circulating medium, which has good lubricity and can protect the moving parts inside the metering pump.

[0012] Further, the first liquid return pipe is connected with a liquid guide pipe, the connection between the liquid guide pipe and the first liquid return pipe is located at the downstream side of the first magnetic adsorption box; the liquid guide pipe is used to be connected with the oil inlet of the metering pump transmission box; the liquid tank is connected with a second liquid return pipe used to be connected with the oil outlet of the metering pump transmission box.

[0013] The beneficial effect is that the liquid guide pipe and the second liquid return pipe enable the oil in the metering pump transmission box to circulate.

[0014] Further, the second liquid return pipe is provided with a second magnetic adsorption box capable of adsorbing iron filings, and the structure of the second magnetic adsorption box is the same as that of the first magnetic adsorption box.

[0015] The beneficial effect is that the second magnetic adsorption box can effectively adsorb the iron filings in the oil flowing through the metering pump transmission box.

[0016] Further, the liquid guide pipe and the second liquid return pipe are both provided with valves capable of adjusting the flow.

[0017] The beneficial effect is that the valves can adjust the flow rate of the oil passing through the metering pump transmission box.

[0018] Further, the liquid supply pipe, the first liquid return pipe, the liquid guide pipe and the second liquid return pipe are all provided with threaded joints at the ends.

[0019] The beneficial effect is that the threaded joints are more convenient for detachable connection with the metering pump.

[0020] Further, the upper part of the frame body is provided with a table plate supporting the metering pump, and the table plate is provided with a plurality of strip-shaped holes.

[0021] The beneficial effect is that the strip-shaped holes matched with bolts can be adapted to bases of different sizes, so as to conveniently support and fix metering pumps of different specifications. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a left side structure schematic view of the utility model.

[0023] Figure 2 It is a front view schematic view of the utility model.

[0024] Figure 3 It is a right side structure schematic view of the utility model.

[0025] In the figure: 1, liquid tank; 2, liquid supply pipe; 3, first return liquid pipe; 4, first magnetic adsorption box; 5, first filter box; 6, liquid guide pipe; 7, second return liquid pipe; 8, valve; 9, second magnetic adsorption box; 10, second filter box; 11, frame body; 12, strip-shaped hole; 13, metering pump; 41, box cover; 42, magnetic rod; 131, pump cylinder; 132, transmission box; 133, base. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of the utility model clearer and more understandable, the utility model will be further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and are not used to limit the utility model, that is, the described examples are only a part of the examples of the utility model, but not all the examples. The components of the utility model examples described and shown in the drawings herein can be arranged and designed in various different configurations.

[0027] Therefore, the detailed description of the examples of the utility model provided in the drawings below is not intended to limit the scope of the claimed utility model, but only represents selected examples of the utility model. Based on the examples of the utility model, all other examples obtained by those skilled in the art without creative labor are within the scope of protection of the utility model.

[0028] It should be noted that the relational terms such as "first" and "second" and the like are used only to distinguish one entity or action from another, and do not necessarily require or imply that these entities or actions are in any such actual relationship or order. Moreover, the terms "comprise", "contain" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed or inherent to such a process, method, article or device.

[0029] In the description of the utility model, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" that may appear should be understood broadly, for example, it can be fixedly connected, or integrally connected, or mechanically connected, or electrically connected, or directly connected, or indirectly connected through an intermediate medium, or the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood through specific circumstances.

[0030] In the description of the utility model, it is necessary to explain that, unless there is definite stipulation and limitation, the term "provided with" that can appear should be understood in a broad sense, for example, the object of "provided with" can be a part of the body, can also be arranged separately from the body and connected on the body, the connection can be detachable connection, also can be undetachable connection. For those skilled in the art, the specific meaning of the above-mentioned term in the utility model can be understood by specific circumstances.

[0031] The utility model is further described in detail in combination with embodiments.

[0032] The specific embodiment of the metering pump running-in bench provided by the utility model:

[0033] Please refer to Figure 1-3 , the metering pump running-in bench, including the frame body 11 for supporting the metering pump 13;The frame body 11 upper portion has the support plate of the metering pump 13, and the support plate is provided with a plurality of strip holes 12. The strip hole 12 cooperates with the bolt and can be adapted to the base 133 of different sizes, which is convenient for supporting and fixing the metering pump 13 of different specifications.

[0034] The frame body 11 includes a bottom plate, and the bottom plate upper side is provided with a liquid tank 1 and a stand column, and the stand column upper end supports the support plate. The liquid tank 1 is internally provided with circulating liquid;The circulating liquid is oil liquid. Oil liquid is used as circulating medium, which has good lubricity and can protect the moving parts inside the metering pump 13.

[0035] The liquid tank 1 is connected with liquid supply pipe 2 and first return liquid pipe 3, and the liquid supply pipe 2 and the first return liquid pipe 3 are respectively used for connecting with the input end and the output end of the pump cylinder body 131 of the metering pump 13;The pipeline of the first return liquid pipe 3 is provided with the first magnetic adsorption box 4 capable of adsorbing iron filings. The first magnetic adsorption box 4 includes a detachable box cover 41, and the inner side of the box cover 41 is connected with a plurality of magnetic rods 42 capable of adsorbing iron filings. The magnetic rod 42 with magnetism can effectively adsorb the iron filings in the circulating liquid flowing through the pump cylinder body 131;Through the detachable box cover 41, the magnetic rod 42 can be conveniently cleaned and maintained.

[0036] The first return liquid pipe 3 is connected with the liquid guide pipe 6, and the connection of the liquid guide pipe 6 and the first return liquid pipe 3 is located on the downstream side of the first magnetic adsorption box 4;The liquid guide pipe 6 is used for connecting with the oil inlet of the transmission box 132 of the metering pump 13;The liquid tank 1 is connected with the second return liquid pipe 7 for connecting with the oil outlet of the transmission box 132 of the metering pump 13. The transmission box 132 can circulate oil liquid through the liquid guide pipe 6 and the second return liquid pipe 7.

[0037] The valve 8 capable of adjusting flow is installed on the liquid guide pipe 6 and the second return liquid pipe 7. The oil liquid flow rate through the transmission box 132 can be adjusted through the valve 8.

[0038] The pipeline of the second liquid return pipe 7 is provided with a second magnetic adsorption box 9 capable of adsorbing iron filings, and the structure of the second magnetic adsorption box 9 is the same as that of the first magnetic adsorption box 4. The second magnetic adsorption box 9 can effectively adsorb the iron filings in the oil flowing through the transmission case 132.

[0039] The pipeline of the first liquid return pipe 3 is provided with a first filter box 5, and the pipeline of the second liquid return pipe 7 is provided with a second filter box 10. The first filter box 5 and the second filter box 10 are the same in structure, and the inside of the filter box is provided with a detachable filter screen for filtering other impurities in the oil.

[0040] The ends of the liquid supply pipe 2, the first liquid return pipe 3, the liquid guide pipe 6 and the second liquid return pipe 7 are provided with threaded joints. The threaded joints are detachably connected with the inlets and outlets of the metering pump 13.

[0041] Working process: the base 133 is matched with the strip-shaped hole 12 through bolts, and the metering pump 13 is fixed on the frame body 11. The liquid supply pipe 2 and the first liquid return pipe 3 are connected with the input end and the output end of the pump cylinder body 131 respectively; the liquid guide pipe 6 and the second liquid return pipe 7 are connected with the oil inlet and the oil outlet of the transmission case 132 respectively. The metering pump 13 is started, the internal moving parts of the pump cylinder body 131 are moved to circulate the oil, the oil carries out the running-in debris in the pump cylinder body 131, the first magnetic adsorption box 4 adsorbs the iron filings in the oil, and the first filter box 5 filters the impurities in the oil. The valve 8 is opened and adjusted, so that the oil can pass through the transmission case 132, and preferably a certain amount of oil is maintained in the transmission case 132. The oil carries out the running-in debris in the transmission case 132, the second magnetic adsorption box 9 adsorbs the iron filings in the part of the oil, the second filter box 10 filters the impurities, and the clean circulating oil is maintained. After the running-in is completed, the metering pump 13 is closed, the oil in the pipeline is returned to the tank 1, the box cover 41 is opened, the box cover 41 and the magnetic rod 42 are removed, and the iron filings adhered to the magnetic rod 42 are cleaned.

[0042] Finally, it should be noted that the above only describes the preferred embodiments of the present application, and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still make modifications to the technical solutions described in the foregoing embodiments without creative labor, or make equivalent replacements to some technical features. 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 metering pump running-in stand, comprising a frame (11) for supporting a metering pump (13); characterized in that: A liquid tank (1) is provided in the frame (11), and circulating liquid is provided inside the liquid tank (1); the liquid tank (1) is connected to a liquid supply pipe (2) and a first liquid return pipe (3), and the liquid supply pipe (2) and the first liquid return pipe (3) are respectively used to connect to the input end and the output end of the pump cylinder (131) of the metering pump (13); a first magnetic adsorption box (4) capable of adsorbing iron filings is provided on the pipeline of the first liquid return pipe (3).

2. The metering pump running-in stand according to claim 1, characterized in that: The first magnetic adsorption box (4) comprises a detachable box cover (41), and a plurality of magnetic rods (42) for adsorbing iron filings are connected to the inner side of the box cover (41).

3. The metering pump running-in stand according to claim 2, characterized in that: The circulating fluid is oil.

4. The metering pump running-in stand according to claim 3, characterized in that: The first liquid return pipe (3) is connected to a liquid guide pipe (6), and the connection between the liquid guide pipe (6) and the first liquid return pipe (3) is located on the downstream side of the first magnetic adsorption box (4); the liquid guide pipe (6) is used to connect to the oil filling port of the metering pump (13) transmission box (132); and the liquid tank (1) is connected to a second liquid return pipe (7) used to connect to the oil discharge port of the metering pump (13) transmission box (132).

5. The metering pump running-in stand according to claim 4, characterized in that: A second magnetic adsorption box (9) capable of adsorbing iron filings is provided on the pipeline of the second liquid return pipe (7); the structure of the second magnetic adsorption box (9) is the same as that of the first magnetic adsorption box (4).

6. The metering pump running-in stand according to claim 5, characterized in that: The liquid guide tube (6) and the second liquid return tube (7) are both equipped with flow-adjustable valves (8).

7. The metering pump running-in stand according to claim 6, characterized in that: The ends of the liquid supply pipe (2), the first liquid return pipe (3), the liquid guide pipe (6) and the second liquid return pipe (7) are all provided with threaded joints.

8. The metering pump running-in stand according to claim 1, characterized in that: The upper portion of the frame (11) has a table for supporting a metering pump (13), and a plurality of strip-shaped holes (12) are provided on the table.

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