Grinding device for inner hole of water suction opening of three-cylinder plunger pump

Abstract

The utility model provides a three-cylinder plunger pump water suction opening inner hole grinding device, belongs to the technical field of three-cylinder plunger pumps, and solves the technical problem that the attaching effect between a grinding head and an inner hole wall is poor due to the fact that an existing inner hole grinding device cannot adjust the angle of the grinding head. A three-cylinder plunger pump water suction opening inner hole polishing device comprises a bottom plate, a vertical plate fixedly installed on the surface of the bottom plate and a driving motor fixedly installed on one side of the vertical plate, one side of the vertical plate is rotationally connected with a rotating rod, and the rotating rod is driven by the driving motor. According to the polishing device, the multiple polishing units are annularly arranged on the outer wall of the rotating rod, so that the rotating rod can drive the polishing units to evenly polish the inner hole of the water suction opening, and under the effect that the adjusting assembly is arranged on one side of each polishing unit, the polishing units can adjust the angle on the outer wall of the rotating rod; and the polishing roller can be conveniently attached to the inner hole wall of the water suction opening of the hollow circular-truncated-cone-shaped three-cylinder plunger pump.

Description

TECHNICAL FIELD

[0001] The utility model belongs to three cylinder plunger pump technical field relates to a three cylinder plunger pump suction mouth, especially a three cylinder plunger pump suction mouth inner hole polishing device. BACKGROUND

[0002] Three cylinder plunger pump is a kind of equipment widely used in engineering field, especially in construction site, mine, petroleum chemical industry, metallurgy etc., its main function includes providing high-pressure fluid, adjusting flow and pressure, and conveying various media, including liquid, gas and mixture etc., three cylinder plunger pump suction mouth is designed to suck the required medium, such as clean water, slurry, cement slurry, cement mortar etc., to meet different construction needs.

[0003] Polishing is a kind of surface modification technology, generally refers to the rough object (sandpaper containing higher hardness particles) to change the physical properties of material surface by friction, and the main purpose is to obtain specific surface roughness, three cylinder plunger pump suction mouth is blocked by some precipitate and scale in long-term use, cause water flow to be small or be completely blocked, influence the use of three cylinder plunger pump, the current processing method is to use chemical cleaning agent or use manpower sandpaper polishing after disassembling suction mouth, easy to cause corrosion to the inside of suction mouth, and the working efficiency is low, and the polishing effect is poor.

[0004] Through the retrieval, such as Chinese patent document discloses a kind of inner hole polishing device

application number: CN202320778851.3;Publication number: CN219725537U

[0005] The distance between the control grinding head of the inner hole polishing device disclosed in the patent and the inner wall of the inner hole is adjusted, and then the size of the inner hole that the grinding head can polish is adjusted, but the structure of three cylinder plunger pump suction mouth is often different at both ends, and the whole suction mouth is in the form of hollow circular truncated cone, the device can only adjust the grinding head and the inner hole wall vertically, cannot realize the angle adjustment of the grinding head, the fitting effect between the grinding head and the inner hole wall is limited, the user needs to stop the telescopic distance of the grinding head, the operation is complex, and the dead angle of polishing is easily generated. UTILITY MODEL CONTENTS

[0006] The utility model discloses a three -cylinder plunger pump water suction port hole polishing device, and the utility model discloses to solve the technical problems of: how is the angle of polishing roller adjusted, and it is convenient to polish the inner hole in the circular table shape three -cylinder plunger pump water suction port.

[0007] The utility model discloses a three -cylinder plunger pump water suction port hole polishing device, and the utility model discloses to solve the technical problems of: how is the angle of polishing roller adjusted, and it is convenient to polish the inner hole in the circular table shape three -cylinder plunger pump water suction port.

[0008] A three -cylinder plunger pump water suction port hole polishing device, including the bottom plate, fixedly installed on the surface of the vertical board of bottom plate and fixedly installed on the one side of vertical board drive motor, the one side of vertical board is connected with the rotating rod with external thread, and the rotating rod is driven through drive motor, the one end of rotating rod away from vertical board is fixedly connected with fixed block, and the outer wall of fixed block is fixedly connected with a plurality of connecting blocks, a plurality of connecting blocks are annular equidistance settings, and the one side of every connecting block is connected with polishing unit, and a plurality of polishing units are adjusted through adjusting assembly.

[0009] The polishing unit includes a connecting rod, and the both ends of the connecting rod are fixedly connected with adjusting block and mounting block respectively, and the outer wall of the connecting rod is rotatably connected with a polishing roller.

[0010] The bottom end of the adjusting block is rotatably connected to the outside of the connecting block through a first connecting shaft, the mounting block is rotatably connected with a movable rod through a second connecting shaft, the other end of the movable rod is connected with an adjusting assembly, and the bottom end of the mounting block is connected with an adjusting unit.

[0011] With the above structure, one end of the adjusting block is connected with the polishing unit, the polishing unit is annularly distributed on the outer wall of the rotating rod, a first connecting shaft is arranged between the adjusting block and the connecting block, the polishing unit can be angularly rotated on one side of the connecting block through the adjusting block, and in order to realize driving and adjusting of the rotation angle of the polishing unit, a movable rod is rotatably connected to one side of the mounting block through a second connecting shaft, so that the user can realize transmission of the polishing unit through the movable rod.

[0012] The adjusting assembly includes a threaded block, the threaded block is threadedly connected to the outer wall of the rotating rod, the outer wall of the threaded block is rotatably sleeved with a sleeve ring, and the outer wall of the sleeve ring is rotatably connected with the movable rod.

[0013] With the above structure, under the action of the threaded block, the threaded block can be adjusted in distance on the outer wall of the rotating rod by rotating, and under the action of the sleeve ring rotatably connected to the outer wall of the threaded block, when the threaded block is adjusted in rotation on the outer wall of the rotating rod, the sleeve ring moves on the outer wall of the rotating rod, so that the sleeve ring drives the movable rod to adjust the angle at the bottom end.

[0014] The output end of the drive motor is fixedly connected with the rotating rod, and the rotating rod is arranged in parallel above the bottom plate.

[0015] With the above structure, the rotating rod can stably rotate above the bottom plate, and under the connecting action of the driving motor and the rotating rod, the rotating rod can drive the surface polishing unit to synchronously rotate, facilitating efficient polishing of the annularly distributed polishing rollers.

[0016] The adjusting unit comprises a telescopic spring, the bottom end of the telescopic spring is fixedly installed at the bottom end of the mounting block, the bottom end of the telescopic spring is fixedly sleeved with a fixed cylinder, the bottom end of the fixed cylinder is fixedly installed with a movable block, the movable block is rotatably sleeved at the outer wall of the threaded sleeve, and the threaded sleeve is threadedly connected at the outer wall of the rotating rod.

[0017] The threaded sleeve is located between the fixed block and the threaded block.

[0018] With the above structure, when the mounting block drives the polishing unit to adjust the angle, the telescopic spring is synchronously telescoped in the fixed cylinder, which is beneficial to improve the limiting effect of the mounting block, and the movable block is rotatably arranged at the outer wall of the threaded sleeve, so that the user can adjust the position of the movable block through the threaded sleeve, ensuring the supporting and limiting effect of the telescopic spring on the mounting block, facilitating the buffering of the mounting block during polishing, improving the stability of the polishing unit driven by the mounting block, and prolonging the service life of the polishing unit.

[0019] The bottom end of the movable rod is rotatably connected with the sleeve ring, a plurality of movable rods are annularly and equidistantly arranged at the outer periphery of the sleeve ring, and the number of the movable rods is the same as that of the polishing rollers.

[0020] With the above structure, under the rotating action of the sleeve ring and the movable rod, the sleeve ring can drive the movable rod to adjust the position, the movable rod is annularly and equidistantly arranged at the outer wall of the sleeve ring, so that the sleeve ring can synchronously drive a plurality of movable rods to synchronously rotate, facilitating the adjustment of the mounting block through the second connecting shaft above the movable rod, realizing the angle adjustment of the polishing unit driven by the mounting block, and facilitating the synchronous adjustment of the annularly distributed polishing rollers to different angles of the circular table, so as to accurately polish the inner hole of the suction port of the three-cylinder plunger pump.

[0021] Compared with the prior art, the three-cylinder plunger pump suction port inner hole polishing device has the following advantages:

[0022] 1. In the utility model, through setting multiple polishing units on the outer wall of the rotating rod, the rotating rod can drive the polishing units to polish the water suction inlet hole uniformly, and under the action of the adjusting assembly arranged on one side of the polishing unit, the polishing unit can be angle-adjusted on the outer wall of the rotating rod, the hollow circular truncated cone-shaped three-cylinder plunger pump water suction inlet hole wall is conveniently attached to the polishing roller, the adjusting is convenient and fast, synchronous polishing of the inclined water suction inlet hole can be realized, the polishing dead angle is avoided, and the polishing quality of the three-cylinder plunger pump water suction inlet hole is ensured.

[0023] 2. In the utility model, the adjusting unit is arranged on the bottom of the mounting block, under the action of the adjusting unit, when the mounting block drives the polishing unit to be angle-adjusted upwards, the telescopic spring is synchronously telescopic in the fixed cylinder, the limiting effect of the mounting block is improved, the position of the movable block is conveniently adjusted by rotating the movable block on the outer wall of the threaded sleeve, the supporting and limiting effect of the telescopic spring on the mounting block is ensured, and the stability of the mounting block driving the polishing unit is improved. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a structure schematic view of a three-cylinder plunger pump water suction inlet hole polishing device in the utility model.

[0025] Figure 2 It is a structure schematic view of a polishing unit and an adjusting assembly in the utility model.

[0026] Figure 3 It is a cross-sectional structure schematic view of a polishing unit and an adjusting assembly in the utility model.

[0027] Figure 4 It is an enlarged structure schematic view of A in the utility model Figure 3 .

[0028] In the drawing:

[0029] 1, bottom plate;2, vertical plate;3, driving motor;4, rotating rod;5, fixed block;6, connecting block;7, first connecting shaft;8, adjusting block;9, connecting rod;10, polishing roller;11, mounting block;12, second connecting shaft;13, movable rod;14, collar;15, threaded block;16, threaded sleeve;17, movable block;18, fixed cylinder;19, telescopic spring. DETAILED DESCRIPTION

[0030] The following is a specific embodiment of the utility model and is further described in combination with the drawings, but the utility model is not limited to these embodiments.

[0031] EMBODIMENT

[0032] AsFigures 1-4 as shown;

[0033] A three-cylinder plunger pump suction port hole polishing device, including bottom plate 1, fixedly installed on the surface of the vertical plate 2, fixedly installed in the drive motor 3 on one side of the vertical plate 2, rotating rod 4, fixed block 5, connecting block 6, first connecting shaft 7, adjusting block 8, connecting rod 9, polishing roller 10, mounting block 11, second connecting shaft 12, movable rod 13, collar 14, threaded block 15, threaded sleeve 16, movable block 17, fixed cylinder 18 and expansion spring 19, one side of the vertical plate 2 is rotatably connected with rotating rod 4 with external thread, and the rotating rod 4 is driven by the drive motor 3, specifically, the output end of the drive motor 3 is fixedly connected with the rotating rod 4, and the rotating rod 4 is arranged above the bottom plate 1, so that the rotating rod 4 can stably rotate above the bottom plate 1, at the same time, the end of the rotating rod 4 away from the vertical plate 2 is fixedly connected with the fixed block 5, and the outer wall of the fixed block 5 is fixedly connected with a plurality of connecting blocks 6, the plurality of connecting blocks 6 are arranged at equal intervals in a ring shape, and one side of each connecting block 6 is connected with a polishing unit, through such setting, under the connecting action of the drive motor 3 and the rotating rod 4, the rotating rod 4 can drive the surface polishing unit to rotate synchronously, which facilitates efficient polishing of the annularly distributed polishing units;

[0034] Further, the polishing unit comprises a connecting rod 9, and the two ends of the connecting rod 9 are fixedly connected with adjusting blocks 8 and mounting blocks 11 respectively, and the outer wall of the connecting rod 9 is rotatably connected with a polishing roller 10, the bottom end of the adjusting block 8 is rotatably connected to the outside of the connecting block 6 through the first connecting shaft 7, the mounting block 11 is rotatably connected with the movable rod 13 through the second connecting shaft 12, the polishing unit is annularly distributed on the outer wall of the rotating rod 4, and the first connecting shaft 7 is arranged between the adjusting block 8 and the connecting block 6, so that the polishing unit can be angularly rotated on one side of the connecting block 6 through the adjusting block 8, and in order to realize the driving and adjusting of the rotation angle of the polishing unit, the movable rod 13 is rotatably connected on one side of the mounting block 11 through the second connecting shaft 12, and the other end of the movable rod 13 is connected with an adjusting assembly, so that the user can realize the transmission of the polishing unit through the movable rod 13;

[0035] In order to realize the angle adjustment of the polishing roller 10, facilitate the polishing treatment in the water suction port inner hole of different angles, a plurality of polishing units are synchronously adjusted through the adjusting assembly, wherein the adjusting assembly comprises a threaded block 15, and the threaded block 15 is threadedly connected to the outer wall of the rotating rod 4. The outer wall of the threaded block 15 is rotatably sleeved with a sleeve ring 14, and the outer wall of the sleeve ring 14 is rotatably connected with a movable rod 13. The bottom end of the movable rod 13 is rotatably connected with the sleeve ring 14. Under the action of the threaded block 15, the threaded block 15 can be adjusted by rotating on the outer wall of the rotating rod 4. Moreover, under the action of the threaded block 15 rotatably connected with the sleeve ring 14 on the outer wall, the threaded block 15 is rotatably adjusted on the outer wall of the rotating rod 4, and the sleeve ring 14 moves on the outer wall of the rotating rod 4, facilitating the sleeve ring 14 to drive the movable rod 13 to adjust the angle at the bottom end. In order to realize the activity synchronization of the movable rod 13 and the polishing roller 10, a plurality of movable rods 13 are equally arranged on the outer circumferential surface of the sleeve ring 14, and the number of the movable rods 13 is the same as that of the polishing rollers 10. The sleeve ring 14 can synchronously drive the plurality of movable rods 13 to rotate synchronously, facilitating the movable rod 13 to drive the mounting block 11 to adjust through the second connecting shaft 12 above, realizing the angle adjustment of the mounting block 11 driving the polishing unit, and enabling the annularly distributed polishing rollers 10 to be synchronously adjusted to different angles of the circular table, facilitating the precise fitting polishing of the water suction port inner hole of the three-cylinder plunger pump.

[0036] The bottom end of the mounting block 11 is connected with an adjusting unit, and the adjusting unit comprises a telescopic spring 19 fixedly installed at the bottom end of the mounting block 11. The bottom end of the telescopic spring 19 is fixedly sleeved with a fixed cylinder 18, and the bottom end of the fixed cylinder 18 is fixedly installed with a movable block 17. The movable block 17 is rotatably sleeved on the outer wall of the threaded sleeve 16. The telescopic spring 19 is arranged between the mounting block 11 and the movable block 17, so that when the mounting block 11 drives the polishing unit to adjust the angle, the telescopic spring 19 is synchronously telescoped in the fixed cylinder 18, which is beneficial to improve the limiting effect of the mounting block 11. The threaded sleeve 16 is threadedly connected to the outer wall of the rotating rod 4, and the threaded sleeve 16 is located between the fixed block 5 and the threaded block 15. The movable block 17 is rotatably arranged on the outer wall of the threaded sleeve 16, so that the user can adjust the position of the movable block 17 through the threaded sleeve 16, ensuring the supporting and limiting effect of the telescopic spring 19 on the mounting block 11, which is beneficial to improve the stability of the mounting block 11 driving the polishing unit and prolong the service life of the polishing unit.

[0037] The working principle of the utility model is: when using, the inner hole of the water suction port of the three-cylinder plunger pump is sleeved with the outer periphery of the polishing unit, through rotating the threaded sleeve 16, the threaded sleeve 16 drives the movable block 17 to move, so that the movable block 17 is moved to the position of the water suction port along the surface of the rotating rod 4, the polishing unit is supported at the center of the inner hole through the extension spring 19, in order to accurately fit the polishing unit with the inner hole of the water suction port, the threaded block 15 is connected with the rotating rod 4 through the threaded connection, so that the threaded block 15 is rotated and adjusted on the outer wall of the rotating rod 4, under the rotating action of the sleeve ring 14 and the threaded block 15, the sleeve ring 14 is distance-adjusted on the outer wall of the rotating rod 4, the movable rod 13 is rotatably connected on the outside of the sleeve ring 14, under the action of the fixed length of the movable rod 13, the movable rod 13 drives the mounting block 11 to be adjusted to different heights through the rotation of the upper second connecting shaft 12, at the same time, the adjusting block 8 is fixedly connected on the other end of the polishing unit, under the action that the adjusting block 8 is rotatably connected with the connecting block 6 through the first connecting shaft 7, the connecting rod 9 can be rotatably adjusted at different angles, the connecting rod 9 drives the polishing roller 10 to fit the inner hole wall of the water suction port, after the polishing unit distributed in multiple rings is fitted with the inner hole wall of the water suction port, the rotating rod 4 is driven to rotate through the driving motor 3, so that the rotating rod 4 drives the polishing unit to rotate and polish in the inner hole of the water suction port, and through rotating the polishing roller 10 on the outer wall of the connecting rod 9, when the polishing unit is rotated as a whole through the rotating rod 4, the polishing roller 10 can also rotate on the outer wall of the connecting rod 9, which is beneficial to improve the polishing efficiency, and realizes accurate polishing of the inner part of the hollow circular truncated cone type water suction port, so the working principle of the three-cylinder plunger pump water suction port inner hole polishing device is completed.

[0038] The specific embodiments described herein are merely illustrative of the present utility model. Those skilled in the art of the present utility model can make various modifications or supplements to the described specific embodiments or replace them with similar ways, without deviating from the spirit of the present utility model or exceeding the scope defined by the appended claims.

Claims

1. A kind of three-cylinder plunger pump suction port hole polishing device, including bottom plate (1), fixedly installed on the surface of bottom plate (1) vertical plate (2) and fixedly installed on the one side of vertical plate (2) driving motor (3), it is characterized by: One side of the vertical plate (2) is rotatably connected with a rotating rod (4) with external threads, and the rotating rod (4) is driven by a driving motor (3), one end of the rotating rod (4) away from the vertical plate (2) is fixedly connected with a fixed block (5), and the outer wall of the fixed block (5) is fixedly connected with a plurality of connecting blocks (6), the plurality of connecting blocks (6) are arranged at equal intervals in a ring shape, one side of each connecting block (6) is connected with a polishing unit, and the plurality of polishing units are adjusted by an adjusting assembly; The polishing unit comprises a connecting rod (9), and the both ends of the connecting rod (9) are fixedly connected with an adjusting block (8) and a mounting block (11), and the outer wall of the connecting rod (9) is rotatably connected with a polishing roller (10); The bottom end of the adjusting block (8) is rotatably connected to the outside of the connecting block (6) through a first connecting shaft (7), the mounting block (11) is rotatably connected with a movable rod (13) through a second connecting shaft (12), one end of the movable rod (13) is connected with an adjusting assembly, and the bottom end of the mounting block (11) is connected with an adjusting unit; The adjusting assembly comprises a threaded block (15), and the threaded block (15) is threadedly connected to the outer wall of the rotating rod (4), the outer wall of the threaded block (15) is rotatably sleeved with a sleeve ring (14), and the outer wall of the sleeve ring (14) is rotatably connected with the movable rod (13).

2. A device for polishing the suction port hole of a three-cylinder plunger pump according to claim 1, characterized in that: The output end of the driving motor (3) is fixedly connected with the rotating rod (4), and the rotating rod (4) is arranged in parallel above the bottom plate (1).

3. A device for polishing the suction port hole of a three-cylinder plunger pump according to claim 1, characterized in that: The adjusting unit comprises a telescopic spring (19), and the telescopic spring (19) is fixedly installed at the bottom end of the mounting block (11), the bottom end of the telescopic spring (19) is fixedly sleeved with a fixed cylinder (18), and the bottom end of the fixed cylinder (18) is fixedly installed with a movable block (17).

4. A device for polishing the suction port bore of a three-cylinder plunger pump according to claim 3, characterized in that: The movable block (17) is rotatably sleeved on the outer wall of the threaded sleeve (16), and the threaded sleeve (16) is threadedly connected to the outer wall of the rotating rod (4).

5. A device for polishing the suction port bore of a three-cylinder plunger pump according to claim 4, characterized in that: The threaded sleeve (16) is located between the fixed block (5) and the threaded block (15).

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