Centrifugal fan impeller spraying processing device

Abstract

The utility model discloses a centrifugal fan impeller spraying processing device which comprises a base, a rotating shaft is rotatably arranged on the base, a seat body is arranged on the base, a sliding hole is formed in the seat body, a liquid supply pipe is arranged in the sliding hole in a sliding mode, a spraying pipe is arranged at the end of the liquid supply pipe, and the spraying pipe is connected with the rotating shaft. The spraying pipe is communicated with a plurality of nozzles; the upper surface of the seat body is sunken downwards to form a first limiting groove communicated with the sliding hole, a first handle is arranged on the liquid supply pipe, and the first handle extends to the position above the seat body from the first limiting groove; the side face of the base body is concaved inwards to form a groove body, a rod body is arranged in the groove body in a sliding mode, an arc-shaped block is arranged at the end of the rod body, and the portion, between the arc-shaped block and the base body, of the rod body is sleeved with a spring. The problem that due to the fact that blades of an integrally-formed impeller have a certain torsion angle, the surface of the integrally-formed impeller cannot be effectively sprayed is solved.

Description

Technical Field

[0001] The utility model relates to the field of centrifugal fan processing, in particular to a centrifugal fan impeller spray processing device. Background Art

[0002] An impeller is often arranged in the volute of a centrifugal fan, and the surface of the impeller needs to be treated with anti-corrosion spray after casting. For example, the Chinese patent with patent number CN111957464A provides a blade crown spray protection fixture for turbine blades, including a frame, a first clamping mechanism and a second clamping mechanism arranged on the outer wall surface of the frame, the first clamping mechanism and the second clamping mechanism are arranged relatively along the height direction of the frame, the first clamping mechanism is used to abut against the upper surface of the blade crown and protect the upper surface of the blade crown during the spraying operation, the upper surface of the second clamping mechanism is recessed with a positioning groove arranged obliquely relative to the frame in the horizontal direction, the second end of the blade body is arranged in the positioning groove along an oblique direction matching the positioning groove and abuts against the bottom surface of the positioning groove, the first clamping mechanism and the second clamping mechanism jointly clamp and fix the turbine blade to be processed so that the blade crown is arranged in the horizontal direction. The impeller spraying device in the prior art, for example, is only suitable for spraying detachably mounted impeller blades. For an integrally formed impeller, since its blades have a certain twist angle, it is not possible to effectively spray its surface. Utility Model Content

[0003] The utility model aims to provide a centrifugal fan impeller spraying processing device, which solves the problem that the surface of the integrally formed impeller cannot be effectively sprayed because its blades have a certain twist angle.

[0004] In order to achieve the above-mentioned purpose, the utility model provides a centrifugal fan impeller spraying processing device, the centrifugal fan impeller spraying processing device comprises a base, a rotating shaft is rotatably provided on the base, a seat body is provided on the base, a sliding hole is formed on the seat body, a liquid supply pipe is slidably provided in the sliding hole, a spraying pipe is provided at the end of the liquid supply pipe, and a plurality of spray heads are connected to the spraying pipe;

[0005] The upper surface of the seat body is recessed downward to form a first limiting groove connected to the sliding hole, and the liquid supply pipe is provided with a first handle, which extends from the first limiting groove to the top of the seat body;

[0006] The side surface of the seat body is inwardly recessed to form a groove body, a rod body is slidably arranged in the groove body, an arc block is arranged at the end of the rod body, and a spring is sleeved on the rod body located between the arc block and the seat body.

[0007] Preferably, a key strip is formed on the side surface of the rotating shaft along its length direction.

[0008] Preferably, a rotating shaft is disposed on the upper surface of the seat body, a limit strip is rotatably disposed on the rotating shaft, a torsion spring is sleeved on the rotating shaft, one end of the torsion spring is connected to the rotating shaft, and the other end is connected to the limit strip.

[0009] Preferably, second limiting grooves communicating with the groove body are formed on both sides of the seat body, and a second handle is connected to the rod body, and the second handle extends out of the seat body from the second limiting groove.

[0010] Preferably, an anti-slip rubber pad is provided on the inner curved surface of the arc block.

[0011] Preferably, a bearing is disposed in the base, and the lower end of the rotating shaft is rotatably disposed in the bearing.

[0012] Beneficial effect: The utility model provides a centrifugal fan impeller spraying processing device, the centrifugal fan impeller spraying processing device comprises a base, a rotating shaft is rotatably arranged on the base, a seat body is arranged on the base, a sliding hole is formed on the seat body, a liquid supply pipe is slidably arranged in the sliding hole, a spray pipe is arranged at the end of the liquid supply pipe, and a plurality of spray heads are connected to the spray pipe; the upper surface of the seat body is recessed downward to form a first limiting groove connected to the sliding hole, a first handle is arranged on the liquid supply pipe, and the first handle is movable from the first limiting groove The utility model is used to extend to the top of the seat; the side of the seat is inwardly concave to form a groove, a rod body is slidably arranged in the groove, an arc block is arranged at the end of the rod body, and a spring is sleeved on the rod body between the arc block and the seat body; during operation, the impeller is sleeved on the rotating shaft, and the liquid supply pipe is displaced to extend the spray pipe at the end to between the two impeller blades, and the two adjacent surfaces of the two blades are effectively sprayed by supplying liquid. During the spraying process, the arc block and the spring are used to press the seat of the impeller to prevent it from rotating during the spraying process. The centrifugal fan impeller spraying processing device provided by the utility model can effectively spray the blades of the fan impeller, and the spraying effect is excellent.

[0013] Other features and advantages of the present invention will be described in detail in the subsequent specific implementation section. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the following specific embodiments, they are used to explain the present invention, but do not constitute a limitation to the present invention. In the accompanying drawings:

[0015] Figure 1 This is a first-view structural diagram of the centrifugal fan impeller spraying processing device provided by the utility model;

[0016] Figure 2 This is a second perspective structural diagram of the centrifugal fan impeller spraying processing device provided by the utility model;

[0017] Figure 3 It is a structural diagram of a seat body in a centrifugal fan impeller spraying processing device provided by the utility model.

[0018] Description of Reference Numerals

[0019] 1-base; 2-rotating shaft; 3-seat body; 4-arc block; 5-liquid supply pipe; 6-spraying pipe; 7-rod body; 8-second limiting groove; 9-second handle; 10-first limiting groove; 11-first handle; 12-limiting strip; 13-rotating shaft. DETAILED DESCRIPTION

[0020] The specific implementation of the present invention is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described here is only used to illustrate and explain the present invention, and is not used to limit the present invention.

[0021] like Figure 1-3 As shown: the utility model provides a centrifugal fan impeller spraying processing device, characterized in that the centrifugal fan impeller spraying processing device comprises a base 1, a rotating shaft 2 is rotatably provided on the base 1, a seat body 3 is provided on the base 1, a sliding hole is formed on the seat body 3, a liquid supply pipe 5 is slidably provided in the sliding hole, a spraying pipe 6 is provided at the end of the liquid supply pipe 5, and a plurality of spray heads are connected to the spraying pipe 6; the upper surface of the seat body 3 is recessed downward to form a first limiting groove 10 connected to the sliding hole, the liquid supply pipe 5 is provided with a first handle 11, and the first handle 11 extends from the first limiting groove 10 to the top of the seat body 3; the side surface of the seat body 3 is recessed inward to form a groove body, a rod body 7 is slidably provided in the groove body, an arc block 4 is provided at the end of the rod body 7, and a spring is sleeved on the rod body 7 located between the arc block 4 and the seat body 3. During operation, the impeller is sleeved on the rotating shaft, and the liquid supply pipe is displaced to extend the spray pipe at the end to between the two impeller blades. By supplying liquid, the two adjacent surfaces of the two blades are effectively sprayed. During the spraying process, the arc block and the spring are used to press the impeller seat to prevent it from rotating during the spraying process. The centrifugal fan impeller spraying processing device provided by the utility model can effectively spray the blades of the fan impeller, and the spraying effect is excellent.

[0022] In a preferred embodiment of the utility model, a key strip is formed on the side of the rotating shaft 2 along its length direction. A rotating hole is provided in the middle of the impeller, and a key slot is provided in the rotating hole. The key strip and the key slot cooperate with each other, so that when the impeller is sleeved on the rotating shaft 2, it is convenient for it to rotate with the rotating shaft 2.

[0023] In a preferred embodiment of the present invention, a rotating shaft 13 is provided on the upper surface of the base body 3, a limit strip 12 is rotatably provided on the rotating shaft 13, a torsion spring is sleeved on the rotating shaft 13, one end of the torsion spring is connected to the rotating shaft 13, and the other end is connected to the limit strip 12. When the first handle is displaced to the end of the first limit groove 10, the limit strip 12 is rotated so that it can press the first handle tightly to maintain the stability of the liquid supply pipe during spraying.

[0024] In a preferred embodiment of the utility model, in order to facilitate the movement of the rod body, thereby disengaging the arc block from the impeller seat body and facilitating the rotation of the impeller, second limiting grooves 8 connected to the groove body are formed on both sides of the seat body 3, and a second handle 9 is connected to the rod body 7, and the second handle 9 extends from the second limiting groove 8 out of the seat body 3.

[0025] In a preferred embodiment of the present invention, in order to increase the friction between the arc block and the impeller seat body, an anti-slip rubber pad is provided on the inner arc surface of the arc block 4.

[0026] In a preferred embodiment of the present utility model, in order to facilitate the rotation of the rotating shaft, a bearing is arranged in the base 1, and the lower end of the rotating shaft 2 is rotatably arranged in the bearing.

[0027] The preferred embodiments of the present invention are described in detail above in conjunction with the accompanying drawings. However, the present invention is not limited to the specific details in the above embodiments. Within the technical concept of the present invention, the technical solution of the present invention can be subjected to a variety of simple modifications, and these simple modifications all belong to the protection scope of the present invention.

[0028] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, the present utility model will not further describe various possible combinations.

[0029] In addition, various embodiments of the present invention may be arbitrarily combined, and as long as they do not violate the concept of the present invention, they should also be regarded as the contents disclosed by the present invention.

Claims

1. A centrifugal fan impeller spraying processing device, characterized in that: The centrifugal fan impeller spraying processing device comprises a base (1), a rotating shaft (2) is rotatably provided on the base (1), a seat body (3) is provided on the base (1), a sliding hole is formed on the seat body (3), a liquid supply pipe (5) is slidably provided in the sliding hole, a spraying pipe (6) is provided at the end of the liquid supply pipe (5), and a plurality of spray heads are connected to the spraying pipe (6); The upper surface of the seat body (3) is recessed downward to form a first limiting groove (10) connected to the sliding hole, and the liquid supply pipe (5) is provided with a first handle (11), and the first handle (11) extends from the first limiting groove (10) to the top of the seat body (3); The side surface of the seat body (3) is inwardly recessed to form a groove body, a rod body (7) is slidably arranged in the groove body, an arc block (4) is arranged at the end of the rod body (7), and a spring is sleeved on the rod body (7) located between the arc block (4) and the seat body (3).

2. The centrifugal fan impeller spraying processing device according to claim 1, characterized in that: The side surface of the rotating shaft (2) is formed with a key strip along its length direction.

3. The centrifugal fan impeller spraying processing device according to claim 2, characterized in that: The upper surface of the seat body (3) is provided with a rotating shaft (13), a limit strip (12) is rotatably provided on the rotating shaft (13), a torsion spring is sleeved on the rotating shaft (13), one end of the torsion spring is connected to the rotating shaft (13), and the other end is connected to the limit strip (12).

4. The centrifugal fan impeller spraying processing device according to claim 3, characterized in that: Second limiting grooves (8) in communication with the groove body are formed on both sides of the seat body (3); a second handle (9) is connected to the rod body (7); and the second handle (9) extends out of the seat body (3) from the second limiting groove (8).

5. The centrifugal fan impeller spraying processing device according to claim 4, characterized in that: The inner curved surface of the arc-shaped block (4) is provided with an anti-slip rubber pad.

6. The centrifugal fan impeller spraying processing device according to claim 1, characterized in that: A bearing is arranged inside the base (1), and the lower end of the rotating shaft (2) is rotatably arranged inside the bearing.

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