Round shaft head forge piece for hub

Abstract

The utility model discloses a round shaft head forge piece for a hub, which comprises a cylindrical head part, the bottom of the cylindrical head part is provided with an arc-shaped connecting part I, the bottom of the arc-shaped connecting part I is provided with a cylindrical component used for being connected with the hub, and the bottom of the cylindrical component is provided with a bearing connecting component used for being welded with a shaft surface. The cylindrical assembly comprises a cylindrical main body and an arc-shaped connecting part II, and the cylindrical main body is fixedly mounted at the bottom of the head of the cylindrical body through the arc-shaped connecting part I; according to the device, the outer surface of the whole blank piece is ground, then the head of the cylindrical body is cut, the arc-shaped connecting position is ground, the cylindrical assembly and the bearing connecting assembly are also subjected to grinding and forging treatment, and after treatment is completed, the outer surface of the cylindrical body is connected with a hub; and then one side of the connecting shell and the shaft body are welded to complete installation, and by means of the structure, the effect of facilitating integral forming and rapid forging is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of wheel hubs, and more specifically, to a round shaft head forging for a wheel hub. Background Art

[0002] The wheel hub is an important part of the car's wheel, connecting the tire to the vehicle's suspension system. The wheel hub is usually made of metal, such as aluminum or steel, and its main function is to support the tire and allow the tire to rotate when the vehicle is moving. The design and material of the wheel hub can affect the performance of the vehicle, including handling, comfort and fuel efficiency. The size, shape and weight of the wheel hub will affect the dynamic performance of the vehicle. In addition, the wheel hub is also part of the appearance of the car. Different wheel hub designs can provide different visual styles for the vehicle.

[0003] After searching, the existing patent (Announcement No.: CN203948430U) discloses a forging blank for an automobile hub mandrel. It solves the technical problems of low production efficiency in the prior art. It includes a conical body and a conical head both in a cylindrical shape, a flange is provided on the side of the conical head, and a plurality of arc-shaped protrusions evenly distributed on the circumferential side of the flange are provided. A head assembly blind hole made by forging once is provided at the axial center of the conical head, and a body reserved blind hole made by forging once is provided at the axial center of one end of the conical body away from the conical head. A reinforcement structure is provided on one end face of the conical body and the flange, and a plurality of reinforcement protrusions corresponding to the arc-shaped protrusions and protruding toward one side of the conical body are provided on one end face of the flange close to the conical body. The flange and the reinforcement protrusion are connected as an integrated structure and the reinforcement protrusion is connected to the reinforcement structure. The advantages of the utility model are: high production efficiency and long service life.

[0004] However, the above device has a complex structure, which is not conducive to the rapid production of round shaft head forgings during the production process. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a round shaft head forging for a wheel hub to solve the problem that the structure is not convenient for rapid production.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a round shaft head forging for a wheel hub, comprising a cylindrical head, an arc-shaped connection point is arranged at the bottom of the cylindrical head, a cylindrical component is arranged at the bottom of the arc-shaped connection point for connecting with the wheel hub, and a bearing connection component is arranged at the bottom of the cylindrical component for welding with the shaft surface.

[0007] Preferably, the columnar component includes a columnar body and a second arc-shaped connection. The columnar body is fixedly mounted on the bottom of the columnar body head via the first arc-shaped connection, and the second arc-shaped connection is set at the bottom of the columnar body by grinding.

[0008] Preferably, the bearing connection assembly comprises a connection shell, wherein the connection shell is fixedly mounted on the bottom of the columnar body through an arc-shaped connection, and the fixed assembly is mounted inside the connection shell.

[0009] Preferably, the arc-shaped connection part 1 and the arc-shaped connection part 2 are configured as arc-shaped forged interfaces for easy use during installation.

[0010] Preferably, the outer surface of the connecting shell is arranged to be arc-shaped, and the interior of the connecting shell is arranged to be hollow.

[0011] Preferably, the configuration is in the shape of a short cylinder, and the fixed installation is connected to the center of the inner surface of the shell.

[0012] Preferably, the top of the head of the columnar body is configured to be arc-shaped, so as to increase the connection area and thus enhance the connection strength.

[0013] Preferably, the outer surfaces of the cylindrical head, the cylindrical body and the connecting shell are configured to be smooth.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The utility model grinds the surface of the whole blank, then cuts the head of the columnar body, grinds one arc connection, and the columnar component and the bearing connection component are also processed by grinding and forging. After the processing is completed, the outer surface of the columnar body is connected to the wheel hub, and then one side of the connecting shell is welded to the shaft body to complete the installation. The above structure achieves the effect of easy one-piece molding and rapid forging. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the bearing connection assembly of the utility model.

[0019] [Reference Signs]

[0020] 1. Cylindrical head; 2. Arc connection 1; 3. Cylindrical assembly; 4. Bearing connection assembly; 301. Cylindrical body; 302. Arc connection 2; 401. Connection shell; 42. Bearing seat. DETAILED DESCRIPTION

[0021] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Embodiment 1

[0022] The preferred embodiment of the round shaft head forging for the wheel hub provided by the utility model is as follows: Figures 1 to 3 As shown: it includes a cylindrical head 1, an arc-shaped connection 2 is arranged at the bottom of the cylindrical head 1, a cylindrical component 3 is arranged at the bottom of the arc-shaped connection 2 for connecting with the wheel hub, and a bearing connection component 4 is arranged at the bottom of the cylindrical component 3 for welding with the axial surface.

[0023] In this embodiment, the columnar component 3 includes a columnar body 301 and an arc-shaped connection part 2 302. The columnar body 301 is fixedly installed at the bottom of the columnar head 1 through the arc-shaped connection part 1 2, and the arc-shaped connection part 2 302 is set at the bottom of the columnar body 301 by grinding. Embodiment 2

[0024] On the basis of the first embodiment, the preferred embodiment of the round shaft head forging for the wheel hub provided by the present invention is as follows: Figures 1 to 3 As shown, the bearing connection assembly 4 includes connection shells 401 and 402 . The connection shell 401 is fixedly mounted on the bottom of the columnar body 301 through the arc connection 302 , and 402 is fixedly mounted inside the connection shell 401 .

[0025] In this embodiment, the arc connection point 1 2 and the arc connection point 2 302 are configured as arc-shaped forged interfaces for ease of use during installation.

[0026] In this embodiment, the outer surface of the connecting shell 401 is configured to be arc-shaped, and the interior of the connecting shell 401 is configured to be hollow.

[0027] In this embodiment, 402 is configured to be a short cylindrical shape, and 402 is fixedly installed at the center of the inner surface of the connecting shell 401 .

[0028] In this embodiment, the top of the columnar head 1 is configured to be arc-shaped, so as to increase the connection area and thus enhance the connection strength.

[0029] In this embodiment, the outer surfaces of the columnar head 1, the columnar body 301, and the connecting shell 401 are configured to be smooth.

[0030] The working process of the utility model is as follows:

[0031] When manufacturing the device, the surface of the entire blank is first polished, then the cylindrical head 1 is cut, and the arc connection 1 and 2 are polished. The cylindrical component 3 and the bearing connection component 4 are also processed by grinding and forging. After the processing is completed, the outer surface of the cylindrical body 301 is connected to the wheel hub, and then one side of the connecting shell 401 is welded to the shaft body to complete the installation.

[0032] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0033] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0034] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A round shaft head forging for a wheel hub, comprising a cylindrical head (1), characterized in that: The bottom of the columnar head (1) is provided with an arc-shaped connection part (2), the bottom of the arc-shaped connection part (2) is provided with a columnar component (3) for connecting with the wheel hub, and the bottom of the columnar component (3) is provided with a bearing connection component (4) for welding with the shaft surface.

2. A round shaft head forging for a wheel hub according to claim 1, characterized in that: The columnar component (3) comprises a columnar body (301) and a second arc-shaped connection (302); the columnar body (301) is fixedly mounted on the bottom of the columnar body head (1) via the first arc-shaped connection (2); and the second arc-shaped connection (302) is disposed on the bottom of the columnar body (301) by grinding.

3. A round shaft head forging for a wheel hub according to claim 2, characterized in that: The bearing connection assembly (4) comprises connection shells (401) and (402), wherein the connection shell (401) is fixedly mounted on the bottom of the columnar body (301) via a second arc-shaped connection (302), and the (402) is fixedly mounted inside the connection shell (401).

4. A round shaft head forging for a wheel hub according to claim 3, characterized in that: The arc-shaped connection point 1 (2) and the arc-shaped connection point 2 (302) are configured as arc-shaped forging interfaces for easy use during installation.

5. A round shaft head forging for a wheel hub according to claim 4, characterized in that: The outer surface of the connecting shell (401) is arranged to be arc-shaped, and the interior of the connecting shell (401) is arranged to be hollow.

6. A round shaft head forging for a wheel hub according to claim 5, characterized in that: The (402) is configured as a short cylindrical shape and is fixedly mounted at the center of the inner surface of the connecting shell (401).

7. A round shaft head forging for a wheel hub according to claim 6, characterized in that: The top of the columnar body head (1) is arranged in an arc shape, so as to increase the connection area and thus enhance the connection strength.

8. The round shaft head forging for a wheel hub according to claim 7, characterized in that: The outer surfaces of the cylindrical head (1), the cylindrical body (301), and the connecting shell (401) are configured to be smooth.

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