A centrifugal pump production apparatus

By using a rotating seat and shielding cover structure in centrifugal pump production equipment, combined with a water curtain and nozzle design, the problem of dust and fiber impurities adhering to manual spraying is solved, achieving better painting effects and simplifying operations.

CN116116627BActive Publication Date: 2025-10-17FUAN OUQUAN MOTOR CO LTD
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Patent Information

Application Number
CN202310137376.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-02-20
Publication Date
2025-10-17
Estimated Expiration
2043-02-20

AI Technical Summary

Technical Problem

When manually spraying a centrifugal pump, dust and fiber impurities in the air easily adhere to the surface of the pump cover, affecting the painting effect, and the cost of the automated spraying line is high.

Method used

A centrifugal pump production equipment was designed, which adopts a rotating seat and shielding cover structure. Spraying is carried out through a combination of a nozzle and a water curtain. The water flow is used to drive dust and fiber impurities in the air into the water storage tank to reduce their adhesion. The driving component and the flip design of the nozzle are combined to improve the uniformity of paint spraying.

Benefits of technology

It effectively reduces the adhesion of dust and fibers during the painting process, improves the painting effect, simplifies the operation process, and reduces dependence on automated equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application discloses a centrifugal pump production device and relates to the technical field of centrifugal pumps.The device comprises a workbench, a rotating seat is arranged on the top of the workbench, the workbench is provided with a power component, the workbench is provided with a shielding cover containing the rotating seat, and the workbench is provided with a control component.A first spray head is arranged on the inner wall of the top of the shielding cover, a second spray head is arranged on the inner wall of the circumferential side of the shielding cover, the workbench is provided with a paint spraying part for providing paint for the first spray head and the second spray head, and the shielding cover is provided with a driving assembly for driving the second spray head to flip up and down when the rotating seat rotates.A water storage groove is arranged on the top of the workbench, a plurality of water outlets are uniformly and separately arranged on the inner wall of the circumferential side of the shielding cover and close to the top, a communication hole is arranged in the shielding cover to make all the water outlets communicate with each other, a water delivery hole is arranged in the bottom of the shielding cover to communicate with the communication hole, and the workbench is provided with a water pump arranged in the water storage groove and used for transmitting water flow when the water outlet pipe is aligned with the water delivery hole.The application can improve the spraying quality.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of centrifugal pumps, and particularly relates to a centrifugal pump production equipment. BACKGROUND

[0002] The centrifugal pump is a centrifugal water pump, which mainly comprises a pump shell, an impeller, a pump shaft, a pump frame and the like. Before starting, the pump should be filled with water. After starting, the rotating impeller drives the water in the pump to rotate at high speed, and the water is thrown outwards and is pressed into the water outlet pipe.

[0003] In the production process of the centrifugal pump, a layer of paint is usually sprayed on the outer surface of the pump shell to improve the corrosion resistance and oxidation resistance of the pump shell. At present, the more advanced pump shell spraying technology is mainly carried out through an automatic spraying assembly line, and the cost of the automatic spraying assembly line is high. Therefore, some small and medium-sized centrifugal pump manufacturers adopt the manual spraying mode. In the manual spraying process, the pump cover is placed on the workbench, and then the pump cover is sprayed through a spray gun. However, in the manual spraying process, dust, fiber impurities and the like in the air may adhere to the surface of the pump cover along with the paint, which affects the spraying effect of the pump cover. SUMMARY

[0004] In order to improve the spraying quality, the present application provides a centrifugal pump production equipment.

[0005] The present application provides a centrifugal pump production equipment, which adopts the following technical scheme:

[0006] The centrifugal pump production equipment comprises a workbench, a rotating seat rotatably arranged on the top of the workbench, a power member arranged on the workbench and used for driving the rotating seat to rotate, a shielding cover arranged on the workbench and used for accommodating the rotating seat, and a control member arranged on the workbench and used for controlling the shielding cover to move up and down. A first spray head for spraying paint towards the rotating seat is arranged on the inner wall of the top of the shielding cover. A second spray head for spraying paint towards the rotating seat is arranged on the inner wall of the periphery of the shielding cover. A paint spraying part for supplying paint to the first spray head and the second spray head is arranged on the workbench. A driving assembly for driving the second spray head to flip up and down when the rotating seat rotates is arranged on the shielding cover. A water storage groove is arranged on the top of the workbench and located in the shielding cover and surrounds the rotating seat. A plurality of water outlets are uniformly and intervally arranged on the inner wall of the periphery of the shielding cover and close to the top. A communication hole for communicating all the water outlets is arranged in the shielding cover. A water delivery hole for communicating the communication hole is arranged on the bottom of the shielding cover. A water pump for delivering water flow when the water outlet pipe is aligned with the water delivery hole is arranged on the workbench and located in the water storage groove.

[0007] By adopting the technical scheme, the pump cover is placed on the top of the rotating seat during paint spraying, then the control member is used to control the shielding cover to cover the pump cover, and then the water pump is started to make the water flow out of the water outlet hole and drive the air in the shielding cover to flow downward, so that the dust and fibers in the air can be contacted with the water flow in the water storage tank and dissolved in the water flow, thereby improving the paint spraying effect; then the air jet part and the rotating seat are started to make the first spray head and the second spray head spray paint on the pump cover. The whole process is simple, the pump cover is covered by the shielding cover, the fibers and dust in the air during paint spraying are reduced to adhere to the pump cover with paint, and the paint spraying effect is improved.

[0008] Optionally, the shielding cover is provided with a support plate extending away from the inner wall in the circumferential direction, and the second spray head is reversely arranged on the side of the support plate away from the inner wall of the shielding cover.

[0009] By adopting the technical scheme, the second spray head is away from the inner wall of the shielding cover, and the possibility of direct contact between the water flow out of the water outlet hole and the air jet of the second spray head is reduced.

[0010] Optionally, the driving assembly comprises a driving rack and a driving gear, the side of the support plate away from the inner wall of the shielding cover is provided with a mounting groove, the support plate is rotationally connected with a rotating shaft protruding outward from both ends of the support plate, the rotating shaft penetrates through the mounting groove, the second spray head is fixed to the rotating shaft, the driving gear is fixed to the rotating shaft and located outside the mounting groove, the driving rack slides on the side wall of the support plate, the driving rack is engaged with the driving gear, the outer circumferential side of the rotating seat is provided with a ring plate, the top of the ring plate is circumferentially and intermittently provided with a plurality of arc-shaped block-shaped power blocks, and the driving rack slides on the driving blocks of the ring plate and the power blocks, respectively.

[0011] By adopting the technical scheme, when the rotating seat rotates, the driving rack slides on the power blocks and the ring plate respectively, so that the driving rack moves up and down to drive the rotating shaft to rotate.

[0012] Optionally, the bottom of the driving rack is provided with a driving block in the form of a hemispherical block.

[0013] By adopting the technical scheme, the friction generated during sliding is reduced.

[0014] Optionally, the side wall of the driving rack is provided with a sliding strip, the side wall of the support plate is provided with a sliding groove for the sliding strip to slide up and down, the side wall of the sliding strip is provided with a limiting block, and the groove wall of the sliding groove is provided with a limiting groove for the limiting block to slide up and down.

[0015] By adopting the technical scheme, the driving rack is limited to reduce the possibility of the driving rack being separated from the support plate.

[0016] Optionally, the rotating shaft comprises a power shaft, a sliding shaft and a linkage column, the power shaft is rotationally connected to the support plate, the sliding shaft is threadedly connected to the support plate, the second nozzle is arranged on the sliding shaft, and the linkage column is arranged on the sliding shaft and is slidingly connected to the power shaft.

[0017] By adopting the technical scheme, the power shaft drives the sliding shaft to rotate, and the sliding shaft is threadedly connected to the support plate, so that the sliding shaft drives the second nozzle to slide in the installation groove in the axial direction.

[0018] Optionally, the control member comprises a hydraulic cylinder, the workbench top is provided with a mounting frame, the hydraulic cylinder is arranged on the mounting frame, the hydraulic cylinder is arranged on the top of the mounting frame, and the output shaft of the hydraulic cylinder is fixed to the middle position of the top of the shielding cover.

[0019] By adopting the technical scheme, the hydraulic cylinder drives the shielding cover to move up and down, and the hydraulic cylinder has simple structure and is convenient to use.

[0020] Optionally, the power member is a motor, the motor is arranged on the bottom of the workbench, and the output shaft of the motor is connected with the rotating seat.

[0021] By adopting the technical scheme, the motor drives the rotating shaft to rotate, so that the pump cover can more uniformly receive paint.

[0022] In summary, the present application has at least one of the following beneficial effects:

[0023] 1. The pump cover is covered by the shielding cover, the number of dust and fibers attached to the pump cover following paint during paint spraying is reduced, water flow is discharged through the water outlet hole to form a water curtain, air in the shielding cover is driven to flow, dust and fibers in the shielding cover are contacted with water flow in the water storage tank, and the number of dust and fibers is further reduced.

[0024] 2. The rotating shaft drives the second nozzle to flip up and down, and the paint spraying angle and range of the second nozzle are improved. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 is an external structure schematic diagram of an embodiment of the present application;

[0026] Figure 2 is a schematic diagram of the structure in the shielding cover during paint spraying;

[0027] Figure 3 is an internal cross-sectional schematic diagram of an embodiment of the present application;

[0028] Figure 4 is an enlarged schematic diagram of A part of Figure 2

[0029] ​Figure 5 is a sectional view of a rotating shaft structure according to an embodiment of the present application;

[0030] Figure 6 is Figure 5 a B part enlarged view of

[0031] Fig. 1 is a working table; 11, rotating seat; 111, ring plate; 112, power block; 12, paint spraying part; 13, water storage tank; 14, water pump; 15, rotating groove; 2, shielding cover; 21, first spray head; 22, second spray head; 23, water outlet hole; 24, communication hole; 25, water delivery hole; 26, support plate; 261, mounting groove; 262, sliding groove; 263, limiting groove; 27, rotating shaft; 271, power shaft; 272, sliding shaft; 273, linkage column; 3, driving assembly; 31, driving rack; 311, driving block; 312, sliding bar; 313, limiting block; 32, driving gear; 4, mounting frame; 41, hydraulic cylinder; 5, motor. DETAILED DESCRIPTION

[0032] The following will be described in detail in combination with the accompanying Figures 1-6 The present application is further described in detail.

[0033] The embodiment of the present application discloses a centrifugal pump production equipment. Referring to Figure 1 , the centrifugal pump production equipment comprises a working table 1.

[0034] Referring to Figure 2 and Figure 3 , the working table 1 is provided with a rotating groove 15 at the top, and the working table 1 is provided with a rotating seat 11 in a circular table structure, which is located in the rotating groove 15 and is rotationally connected with the working table 1, and the pump shell is placed on the top of the rotating seat 11 during paint spraying.

[0035] Referring to Figure 3 , the working table 1 is provided with a power member, which is a motor 5, the motor 5 is fixed on the middle position of the bottom of the working table 1 through a self-provided support, and the output shaft of the motor 5 is rotationally connected with the working table 1 and is fixed on the middle position of the bottom of the rotating seat 11. When in use, the motor 5 is started to drive the rotating seat 11 to rotate, so that the pump shell rotates with the rotating seat 11.

[0036] Referring to Figure 2 and Figure 3, the workbench 1 is provided with a shielding cover 2 of a cuboid cover structure, the shielding cover 2 abuts against the top of the workbench 1 and covers the rotating seat 11, so as to reduce the possibility that the impurities such as fibers and dust in the air follow the paint and fall on the pump shell during the paint spraying. The workbench 1 is fixedly connected with a mounting frame 4 on the top, the mounting frame 4 is provided with a control element, the control element is a hydraulic cylinder 41, and the output shaft of the hydraulic cylinder 41 is fixed to the middle position of the top of the shielding cover 2. During use, the shielding cover 2 is controlled to ascend and descend by the hydraulic cylinder 41, so that the shielding cover 2 shields or moves away from the pump cover.

[0037] Referring to Figure 2 and Figure 4 , the workbench 1 is fixedly connected with a paint spraying part 12 on the top, the middle position of the inner wall of the top of the shielding cover 2 is fixedly connected with a first spray head 21, and the middle positions of the inner walls of the side walls of the shielding cover 2 are respectively fixedly connected with hollow support plates 26. The side, away from the side wall of the shielding cover 2, of each support plate 26 is provided with a second spray head 22, and the shielding cover 2 is provided with a hose, one end of the hose is provided with a plurality of connecting pipes respectively connected with the first spray head 21 and the second spray head 22, and the other end of the hose is connected to the paint spraying part 12. During use, the paint spraying part 12 provides paint for the first spray head 21 and the second spray head 22, and then the first spray head 21 and the second spray head 22 spray the paint towards the rotating seat 11, so as to paint the pump cover.

[0038] Referring to Figure 2 and Figure 4 , the workbench 1 is provided with a driving assembly 3, when the rotating seat 11 rotates, the driving assembly 3 drives the second spray head 22 to overturn up and down, so as to increase the paint spraying angle and range of the second spray head 22 and improve the paint spraying effect on the pump cover.

[0039] Referring to Figure 5 and Figure 6 , the side, away from the side wall of the shielding cover 2, of each support plate 26 is provided with a mounting groove 261, the support plate 26 is rotatably connected with a rotating shaft 27, the two ends of the rotating shaft 27 protrude out of the support plate 26 and pass through the mounting groove 261, and the second spray head 22 is fixed to the rotating shaft 27. When the rotating shaft 27 rotates, the second spray head 22 overturns up and down, so as to increase the paint spraying angle and range of the second spray head 22.

[0040] Referring to Figure 4 and Figure 6The driving assembly 3 comprises a driving rack 31 and a driving gear 32 fixed on the outer circumferential side of the rotating shaft 27 and outside the support plate 26. The side wall of the support plate 26 is provided with a sliding groove 262 extending in the vertical direction, and the side wall of the driving rack 31 is fixedly connected with a sliding bar 312 extending in the length direction, which slides up and down in the sliding groove 262, so that the driving rack 31 is engaged with the driving gear 32. The side wall of the driving rack 31 is fixedly connected with a limiting block 313, and the groove wall of the sliding groove 262 is provided with a limiting groove 263 extending in the vertical direction, and the limiting block 313 slides up and down in the limiting groove 263, which can prevent the driving rack 31 from being separated from the support plate 26.

[0041] Referring to Figure 4 With Figure 5 The outer circumferential side of the rotating seat 11 near the top is fixedly connected with a ring plate 111, and the bottom of the ring plate 111 is in sliding contact with the top of the workbench 1. The top of the ring plate 111 is fixedly connected with a power block 112, and the side away from the ring plate 111 of the power block 112 is arc-shaped structure. There are multiple power blocks 112 which are circumferentially arranged around the rotating seat 11, and the driving rack 31 corresponds to the power block 112, so that the driving rack 31 can slide in the power block 112. The bottom of the driving rack 31 is fixedly connected with a driving block 311 in the form of a hemispherical block, which can slide in the ring plate 111 and the power block 112, respectively. When the driving block 311 slides on the top of the ring plate 111, the second nozzle 22 is inclined upward to the top of the pump cover; when the driving block 311 slides in the power block 112 from the top of the ring plate 111 and slides toward the side of the power block 112 away from the ring plate 111, the second nozzle 22 starts to overturn downward until the lowest point, and then when the driving block 311 slides downward from the power block 112 to the ring plate 111, the second nozzle 22 starts to overturn upward until the highest point.

[0042] Referring to Figure 4 With Figure 6In order to further improve the paint spraying range of the second spray head 22, the rotating shaft 27 comprises a power shaft 271, a sliding shaft 272 and a linkage column 273, the power shaft 271 is rotationally connected to the side wall of the support plate 26, and the driving gear 32 is fixed to the power shaft 271. The sliding shaft 272 is threadedly connected to the support plate 26 and passes through the mounting groove 261, the second spray head 22 is fixed on the sliding shaft 272, the linkage column 273 is a long strip square column structure and is fixed at the middle position of the end of the sliding shaft 272 close to the power shaft 271, the power shaft 271 is provided with a linkage groove extending along the length direction at the middle position of the end close to the sliding shaft 272, and the linkage column 273 slides in the linkage groove. When the driving rack 31 moves downward to drive the power shaft 271 to rotate, the linkage column 273 drives the sliding shaft 272 to rotate, at this time, the sliding shaft 272 is threadedly connected with the support plate 26, so that the sliding shaft 272 slides away from the power shaft 271, and the second spray head 22 slides in the mounting groove 261 along the axial direction of the sliding shaft 272; when the driving rack 31 moves downward to drive the power shaft 271 to rotate, the linkage column 273 drives the sliding shaft 272 to rotate, at this time, the sliding shaft 272 slides close to the power shaft 271, and the second spray head 22 follows the sliding shaft 272 to be close to the power shaft 271.

[0043] Referring to Figure 3 A water storage groove 13 is formed in the top of the workbench 1 and surrounds the rotating seat 11, the water storage groove 13 is located in the shielding cover 2, and the bottom of the shielding cover 2 abuts against the top of the workbench 1 and partially locates in the water storage groove 13. A plurality of water outlet holes 23 are formed in the side wall of the shielding cover 2 and are uniformly and horizontally spaced. A communication hole 24 is formed in the shielding cover 2, and the water outlet holes 23 are communicated through the communication hole 24. A water delivery hole 25 extending in the vertical direction and communicating with the communication hole 24 is formed in the bottom of the shielding cover 2. The workbench 1 is provided with a water pump 14, the water pump 14 is fixed to the bottom groove wall of the water storage groove 13, and the water inlet pipe and the water outlet pipe of the water pump 14 are located in the water storage groove 13 and are aligned with the water delivery hole 25. When the shielding cover 2 abuts against the top of the workbench 1, the water outlet pipe of the water pump 14 abuts against the bottom of the shielding cover 2 and is communicated with the water delivery hole 25, at this time, the water pump 14 draws the water in the water storage groove 13 and transmits the water to the water outlet holes 23, so that the water flows out of the water outlet holes 23 and flows downward along the inner wall of the shielding cover 2 into the water storage groove 13. In the process of flowing into the water storage groove 13, the water flow forms a downward airflow, which drives the air in the shielding cover 2 to flow downward and contact the water flow in the water storage groove 13, further reducing the amount of dust, fibers and the like in the shielding cover 2, and the paint floating in the shielding cover 2 during paint spraying can be absorbed by the water flow, shortening the time required for waiting for the paint mist to disperse and adhere after the paint spraying is completed.

[0044] The implementation principle of the centrifugal pump production equipment provided in the embodiment of the present application is as follows:

[0045] When painting, the pump cover is placed on the rotating seat 11, then the hydraulic cylinder 41 is started, so that the shielding cover 2 abuts on the workbench 1, then the water pump 14 is started, so that the water flows out of the water outlet hole 23, and then the paint spraying part 12 and the motor 5 are started, so that the rotating seat 11 drives the pump cover to rotate, the first spray head 21 and the second spray head 22 spray paint, and the pump cover is painted.

[0046] The above are preferred embodiments of the present application, and are not intended to limit the protection scope of the present application, so: any equivalent changes made according to the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. A centrifugal pump production equipment, characterized by: The invention comprises a workbench (1), wherein a rotating seat (11) is rotatably provided on the top of the workbench (1), the workbench (1) is provided with a power part for driving the rotating seat (11) to rotate, the workbench (1) is provided with a shielding cover (2) for accommodating the rotating seat (11), and the workbench (1) is provided with a control part for controlling the up and down movement of the shielding cover (2); a first nozzle (21) for spraying paint in the direction of the rotating seat (11) is provided on the inner wall of the top of the shielding cover (2), a second nozzle (22) for spraying paint in the direction of the rotating seat (11) is provided on the inner wall of the peripheral side of the shielding cover (2), the workbench (1) is provided with a paint spraying part (12) for providing paint to the first nozzle (21) and the second nozzle (22), and the The shielding cover (2) is provided with a driving assembly (3) for driving the second nozzle (22) to turn up and down when the rotating seat (11) rotates; a water storage tank (13) is provided on the top of the workbench (1) and is located in the shielding cover (2) and surrounds the rotating seat (11); a plurality of water outlet holes (23) are evenly spaced on the inner wall of the circumference of the shielding cover (2) and near the top; a connecting hole (24) is provided in the shielding cover (2) so that all the water outlet holes (23) are connected to each other; a water delivery hole (25) connected to the connecting hole (24) is provided at the bottom of the shielding cover (2); and a water pump (14) is provided on the workbench (1) and is located in the water storage tank (13) and has a water outlet pipe relative to the water delivery hole (25) for transmitting water flow; The inner wall of the shielding cover (2) is provided with a support plate (26) extending in a direction away from the inner wall, and the second nozzle (22) is turned upside down and provided on a side of the support plate (26) away from the inner wall of the shielding cover (2); The driving assembly (3) includes a driving rack (31) and a driving gear (32). A mounting groove (261) is provided on a side of the support plate (26) away from the inner wall of the shielding cover (2). The support plate (26) is rotatably connected to a rotating shaft (27) with both ends protruding from the outside of the support plate (26). The rotating shaft (27) passes through the mounting groove (261). The second nozzle (22) is fixed to the rotating shaft (27). The driving gear (32) is fixed to the rotating shaft (27) and is located in the mounting groove (261). ), the driving rack (31) slides up and down on the side wall of the support plate (26), the driving rack (31) is meshed with the driving gear (32), a ring plate (111) is provided on the outer peripheral side of the rotating seat (11), a plurality of arc-shaped power blocks (112) are provided on the top of the ring plate (111) at intervals along the circumferential direction, a driving block (311) with a hemispherical block structure is fixedly connected to the bottom of the driving rack (31), and the driving block (311) can slide on the ring plate (111) and the power block (112) respectively; The side wall of the driving rack (31) is provided with a slide bar (312), the side wall of the support plate (26) is provided with a slide groove (262) for the slide bar (312) to slide up and down, the side wall of the slide bar (312) is provided with a limit block (313), and the groove wall of the slide groove (262) is provided with a limit groove (263) for the limit block (313) to slide up and down; The rotating shaft (27) includes a power shaft (271), a sliding shaft (272) and a linkage column (273), wherein the power shaft (271) is rotatably connected to the support plate (26), the sliding shaft (272) is threadedly connected to the support plate (26), the second nozzle (22) is arranged on the sliding shaft (272), and the linkage column (273) is arranged on the sliding shaft (272) and is slidably connected to the power shaft (271).

2. The centrifugal pump production equipment according to claim 1, characterized in that: The control component comprises a hydraulic cylinder (41); a mounting frame (4) is provided on the top of the workbench (1); the hydraulic cylinder (41) is provided on the mounting frame (4); the hydraulic cylinder (41) is provided on the top of the mounting frame (4); and the output shaft of the hydraulic cylinder (41) is fixed to the middle position of the top of the shielding cover (2).

3. The centrifugal pump production equipment according to claim 1, characterized in that: The power component is a motor (5), and the motor (5) is arranged at the bottom of the workbench (1), and the output shaft of the motor (5) is connected to the rotating seat (11).

Citation Information

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