Automatic welding shaft disc for centrifugal impeller

Abstract

The utility model provides an automatic welding shaft disc for a centrifugal impeller, and relates to the technical field of automatic welding shaft discs for centrifugal impellers, the automatic welding shaft disc comprises a disc, a circular ring and a shaft sleeve, the circular ring is arranged on the outer side of the disc, a clamping hole is formed in the disc, and the shaft sleeve is arranged in the clamping hole. According to the device, the disc and the shaft sleeve are subjected to double-face automatic welding and are made of steel, the machining efficiency is high, and the production cost is low.

Description

TECHNICAL FIELD

[0001] The utility model belongs to a kind of centrifugal impeller automation welding axle disc technical field, more specifically, it is particularly related to a kind of centrifugal impeller automation welding axle disc. BACKGROUND

[0002] Centrifugal impeller is a kind of key component widely used in pump, fan and other equipment, it produces centrifugal force by rotation, to discharge fluid or gas.

[0003] In the production of centrifugal impeller, the connection of axle disc is very crucial, because it directly affects the running stability and mechanical strength of impeller.

[0004] Based on the above, the present inventor found that there are the following problems: the automation welding axle disc for centrifugal impeller now generally adopts cast aluminum axle disc, and the cost is higher.

[0005] Therefore, in view of the above, the existing structure and defects are improved, and an automation welding axle disc for centrifugal impeller is provided, so as to achieve the purpose of having more practical value. INVENTION CONTENTS

[0006] The purpose and effect of the automation welding axle disc for centrifugal impeller of the utility model are achieved by the following specific technical means:

[0007] An automation welding axle disc for centrifugal impeller, comprising a disc, a ring and a shaft sleeve, the outer side of the disc is provided with a ring, the disc is provided with a clamping hole, and the clamping hole is provided with a shaft sleeve.

[0008] Further, a plurality of mounting holes are arranged on the ring.

[0009] Further, the upper and lower ends of the clamping hole are provided with a connecting ring, the outer side of the shaft sleeve is provided with a pair of mounting grooves, and the mounting grooves correspond to the positions of the connecting rings.

[0010] Further, the disc, the ring and the shaft sleeve are all made of steel.

[0011] Further, the upper and lower ends of the shaft sleeve are provided with marking grooves.

[0012] Further, a plurality of mounting holes are arranged on the side surface of the shaft sleeve.

[0013] Further, the disc and the ring are formed by stamping the same steel plate.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] In this invention, a connecting ring is provided at both ends of the snap-fit ​​hole, and the connecting ring corresponds to the mounting groove. The bushing is inserted into the snap-fit ​​hole, aligning the mounting groove and the connecting ring. Then, a welding device is used to weld the connecting ring, thereby welding the bushing to the disc.

[0016] The design of a pair of connecting rings enables double-sided welding, and the design of the mounting groove makes the welding between the bushing and the disc more secure.

[0017] With the disc, ring, and bushing all made of steel, the production cost is greatly reduced compared to the existing aluminum disc. Moreover, this device can be automatically welded, thereby improving processing efficiency. The bushing has several mounting holes on its side, which facilitates subsequent installation into other devices.

[0018] The design with marking grooves at both ends of the bushing allows for alignment of the bushing and disk installation positions during welding, facilitating subsequent installation of this device with other devices. Attached Figure Description

[0019] Figure 1 This is a three-dimensional schematic diagram of an automated welding shaft disc for a centrifugal impeller according to the present invention.

[0020] Figure 2 This is a side view of an automated welding shaft disc for a centrifugal impeller according to the present invention.

[0021] Figure 3 This is an exploded view of an automated welding shaft disc for a centrifugal impeller according to this utility model.

[0022] In the diagram, the correspondence between component names and drawing numbers is as follows:

[0023] 1. Disc; 2. Ring; 3. Mounting hole one; 4. Bushing; 5. Marking groove; 7. Connecting ring; 8. Snap-fit ​​hole; 9. Mounting hole two; 10. Mounting groove. Detailed Implementation

[0024] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.

[0025] In the description of this utility model, unless otherwise stated, "a plurality of" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. In addition, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0026] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0027] Example:

[0028] As attached Figure 1 To be continued Figure 3 As shown:

[0029] This utility model provides an automated welding shaft disc for centrifugal impellers, including a disc 1, a ring 2 and a bushing 4. The ring 2 is provided on the outer side of the disc 1, and a snap-fit ​​hole 8 is provided in the disc 1. The bushing 4 is provided in the snap-fit ​​hole 8.

[0030] The ring 2 is provided with a plurality of mounting holes 3;

[0031] The design of the above-mentioned mounting hole 3 can be used to install impellers of various types of centrifugal fans.

[0032] The upper and lower ends of the snap-fit ​​hole 8 are provided with connecting rings 7, and the outer side of the bushing 4 is provided with a pair of mounting grooves 10, the mounting grooves 10 and the connecting rings 7 are positioned corresponding to each other;

[0033] With the design of connecting rings 7 at both ends of the snap-fit ​​hole 8, and the connecting rings 7 corresponding to the mounting groove 10, the bushing 4 is inserted into the snap-fit ​​hole 8 so that the mounting groove 10 and the connecting rings 7 are in the same position. Then, a welding device is used to weld the connecting rings 7, so that the bushing 4 and the disc 1 can be welded together. The design of a pair of connecting rings 7 can achieve the effect of double-sided welding, and the design of the mounting groove 10 can make the welding between the bushing 4 and the disc 1 more secure.

[0034] The disc 1, the ring 2, and the bushing 4 are all made of steel.

[0035] By using steel for the disc 1, ring 2, and bushing 4, the production cost is greatly reduced compared to the existing aluminum discs. Furthermore, this device can be automatically welded, thereby improving processing efficiency.

[0036] The bushing 4 is provided with marking grooves 5 at both the upper and lower ends;

[0037] With the design of marking grooves 5 at both ends of the bushing 4, when the bushing 4 is welded to the disc 1, the installation positions of the bushing 4 and the disc 1 can be aligned, which facilitates the subsequent installation of this device with other devices.

[0038] The bushing 4 has several mounting holes 9 on its side;

[0039] The bushing 4 has several mounting holes 9 on its side, which facilitates its subsequent installation into other devices.

[0040] The disc 1 and the ring 2 are formed by pressing the same steel plate.

[0041] The aforementioned ring 2 and disk 1 are formed from a single piece of steel plate.

[0042] The specific usage and function of this embodiment are as follows:

[0043] In this invention, the design incorporates connecting rings 7 at both ends of the snap-fit ​​hole 8, with the connecting rings 7 corresponding to the mounting groove 10. The bushing 4 is inserted into the snap-fit ​​hole 8, aligning the mounting groove 10 and the connecting rings 7. A welding device is then used to weld the connecting rings 7, thus welding the bushing 4 to the disc 1. The design of a pair of connecting rings 7 enables double-sided welding, and the mounting groove 10 strengthens the weld between the bushing 4 and the disc 1. The disc 1, ring 2, and bushing 4 are all made of steel, significantly reducing production costs compared to existing aluminum bushings. Furthermore, this device can be automated, improving processing efficiency. The bushing 4 has several mounting holes 9 on its side, facilitating subsequent installation into other devices. The ring 2 and disc 1 are formed from a single piece of steel plate.

[0044] The embodiments of this utility model are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the utility model to the forms disclosed. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described in order to better illustrate the principles and practical applications of this utility model, and to enable those skilled in the art to understand this utility model and design various embodiments with various modifications suitable for a particular purpose.

Claims

1. An automatic welding shaft disc for centrifugal impeller, comprising a disc (1), a ring (2) and a shaft sleeve (4), characterized in that: The disc (1) is provided with a ring (2) outside, the disc (1) is provided with a clamping hole (8) inside, the clamping hole (8) is provided with a shaft sleeve (4) inside, the disc (1), the ring (2) and the shaft sleeve (4) are all made of steel.

2. An automated welded hub disc for a centrifugal impeller as claimed in claim 1, wherein: The ring (2) is provided with a plurality of mounting holes (3).

3. The automated welded hub disc for centrifugal impellers of claim 1, wherein: The clamping hole (8) is provided with a link ring (7) on the upper and lower ends, the shaft sleeve (4) is provided with a pair of mounting grooves (10) outside, and the mounting grooves (10) correspond to the positions of the link rings (7).

4. The automated welded hub disc for centrifugal impellers of claim 1, wherein: The shaft sleeve (4) is provided with a mark groove (5) on the upper and lower ends.

5. The automated welded hub disc for centrifugal impellers of claim 1, wherein: The shaft sleeve (4) is provided with a plurality of mounting holes (9) on the side.

6. An automated welded hub disc for a centrifugal impeller as defined in claim 1, wherein: The disc (1) and the ring (2) are formed by pressing and molding the same steel plate.

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