A heating device for aluminum alloy wheel hubs

Abstract

This utility model discloses an aluminum alloy wheel hub heating device, belonging to the field of wheel hub processing. The device includes a body, on which a drive motor is fixedly connected. A rotating shaft is rotatably connected to the body, and the drive end of the drive motor is connected to the rotating shaft. A permanent magnet heating head is fixedly connected to the lower end of the rotating shaft. The rotating shaft drives the permanent magnet heating head to rotate at high speed. During preheating, the permanent magnet heating head extends into the wheel hub. The rapid rotation of the heating head causes the wheel hub to cut magnetic lines of force, generating internal eddy currents and heating the hub itself instantly to achieve the preheating effect. Using a permanent magnet heating head eliminates the need for large amounts of fuel consumption, eliminates the need for continuous three-shift operation, and removes concerns about fuel safety.

Description

Technical Field

[0001] This utility model relates to the field of wheel hub heating technology, and in particular to an aluminum alloy wheel hub heating device. Background Technology

[0002] Aluminum alloy wheels are more suitable for passenger vehicles than steel wheels. During manufacturing, aluminum alloy wheels currently use MAT spinning technology, which is strictly speaking a type of casting. It refers to the process of using special equipment to rotate and pressurize the stress points after the wheel rim is cast as a whole, which changes the molecular arrangement inside the metal at the treated location. The specific segmentation surface has a higher density of fibrous structure compared to ordinary casting products, thereby changing the overall metal mechanics.

[0003] Spinning technology for aluminum alloy automotive wheels has developed in recent years. Spinned products can bring considerable economic benefits and are being used by more and more manufacturers in production. The key step in spinning production is workpiece preheating, and the quality of preheating directly affects the entire spinning process. Currently, preheating methods mostly use preheating furnaces and electromagnetic heating. However, electromagnetic heating consumes a lot of electricity, has high investment costs, slow heating speed, complex processes, and a high failure rate. The cost of replacing aging equipment is also very high, and further improvements in heating efficiency are limited. Utility Model Content

[0004] The purpose of this invention is to solve the problems of traditional natural gas heating furnaces in the prior art, which require a large amount of natural gas, need to reduce energy consumption for preheating through uninterrupted operation, and pose safety risks. Therefore, this invention proposes an aluminum alloy wheel hub heating device.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A heating device for aluminum alloy wheel hubs includes a body, a drive motor fixedly connected to the body, a rotating shaft rotatably connected to the body, a drive end of the drive motor being connected to the rotating shaft, and a permanent magnet heating head fixedly connected to the lower end of the rotating shaft.

[0007] To accommodate different wheel hub sizes, preferably, the permanent magnet heating head includes a housing, on which multiple boxes are slidably connected, the multiple boxes being distributed circumferentially on the housing, and multiple permanent magnets are placed inside the boxes.

[0008] To further improve the heating effect, the multiple permanent magnets are arranged in a Heilbeck array structure.

[0009] To further achieve stable sliding of the box, a slider is fixedly connected to the box, and the slider is slidably disposed on the shell.

[0010] To further enable the movement of the housing, a servo motor is fixedly connected to the housing, and a drive shaft is connected to the drive end of the servo motor. Upper and lower gears are rotatably connected to the housing, and a planetary reduction gear set is provided on the housing. The drive shaft is driven to the input end of the planetary reduction gear set, and the upper and lower gears are driven to the output end of the planetary reduction gear set. A rack is fixedly connected to the slider, and the upper and lower gears mesh with the rack.

[0011] In order to drive the rotating shaft to rotate, preferably, a rotating gear is fixedly connected to the rotating shaft, and the drive end of the drive motor is connected to the rotating gear through a transmission gear.

[0012] A rotating gear is fixedly connected to the rotating shaft, and the drive end of the drive motor is connected to the rotating gear through a transmission gear.

[0013] To ensure heating effect, preferably, a heat insulation sleeve is connected to the upper part of the machine body and is fitted onto the permanent magnet heating head.

[0014] To adjust the position of the heat insulation sleeve, a connector with multiple threaded holes is fixedly connected to the body. The connector is connected to the bushing of the rotating shaft via a connecting sleeve. A connecting slip ring is fixedly connected to the heat insulation sleeve via a connecting plate. The connecting slip ring is fitted onto the connector and has multiple connecting holes.

[0015] An electric telescopic rod is fixedly connected to the body, and the drive end of the electric telescopic rod is fixedly connected to the connecting slip ring.

[0016] To adjust the height of the wheel hub clamping station, preferably, a movable platform with the wheel hub clamping station is also included, the movable platform being located below the permanent magnet heating head.

[0017] Compared with the prior art, this utility model provides an aluminum alloy wheel hub heating device, which has the following beneficial effects:

[0018] 1. This aluminum alloy wheel hub heating equipment uses a drive motor on the machine body to drive the rotating shaft to rotate at high speed. The rotating shaft drives the permanent magnet heating head to rotate at high speed. During preheating, the permanent magnet heating head extends into the wheel hub and rotates rapidly. The wheel hub cuts the magnetic lines of force to generate internal eddy currents, and the wheel hub heats up instantly to achieve the preheating effect. Using a permanent magnet heating head will not consume a large amount of gas, and there is no need to work in three shifts continuously, and there is no need to consider the safety of gas. Attached Figure Description

[0019] Figure 1A schematic diagram of an aluminum alloy wheel hub heating device;

[0020] Figure 2 A schematic diagram of the internal structure of an aluminum alloy wheel hub heating device;

[0021] Figure 3 A schematic cross-sectional view of an aluminum alloy wheel hub heating device;

[0022] Figure 4 A schematic diagram of the cross-sectional structure of the rotating shaft of the aluminum alloy wheel hub heating device;

[0023] Figure 5 A schematic diagram of the permanent magnet heating head of an aluminum alloy wheel hub heating device;

[0024] Figure 6 A cross-sectional schematic diagram of the permanent magnet heating head of an aluminum alloy wheel hub heating device;

[0025] Figure 7 This is a schematic diagram of the internal structure of an aluminum alloy wheel hub heating device.

[0026] In the diagram: 1. Machine body; 2. Moving platform; 3. Hub clamping station; 4. Drive motor; 5. Rotating shaft; 501. Rotating gear; 6. Hub; 7. Screw lifting motor; 8. Permanent magnet heating head; 801. Housing; 802. Slider; 803. Box; 804. Permanent magnet; 805. Servo motor; 806. Drive shaft; 807. Planetary reduction gear set; 808. Upper and lower gears; 809. Rack; 9. Connecting sleeve; 10. Heat insulation sleeve; 11. Electric telescopic rod; 12. Connecting plate; 13. Connecting piece; 14. Connecting slip ring. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Example

[0028] Reference Figure 1-2A heating device for aluminum alloy wheel hubs includes a body 1, a drive motor 4 fixedly connected to the body 1, and a rotating shaft 5 rotatably connected to the body 1. The drive end of the drive motor 4 is connected to the rotating shaft 5 via a transmission gear. A rotating gear 501 is fixedly connected to the rotating shaft 5, and the drive end of the drive motor 4 is connected to the rotating gear 501 via a transmission gear. A permanent magnet heating head 8 is fixedly connected to the lower end of the rotating shaft 5. The output end of the drive motor 4 drives the rotating shaft 5 to rotate at high speed, thereby driving the permanent magnet heating head 8 to rotate at high speed. During preheating, the wheel hub 6 is fitted over the permanent magnet heating head 8. The permanent magnet heating head 8 rotates rapidly, and the wheel hub 6 cuts the magnetic lines of force to generate internal eddy currents, causing the wheel hub 6 to heat up instantly to achieve the preheating effect. The wheel hub 6 and the permanent magnet heating head 8 do not have direct contact. This heating method does not consume a large amount of gas, nor does it have the safety issues associated with gas heating.

[0029] Reference Figure 5 In specific implementation, the permanent magnet heating head 8 adopts the following magnet structure: the permanent magnet heating head 8 includes a housing 801, and multiple boxes 803 are slidably connected on the housing 801. The position of the boxes 803 is adjustable, which can realize the heating of hubs 6 of different specifications. The multiple boxes 803 are distributed in a circle on the housing 801. Multiple permanent magnets 804 are placed inside the boxes 803. The permanent magnets 804 are specifically neodymium iron boron permanent magnets. The multiple permanent magnets 804 are arranged in a Heilbeck array structure. This arrangement structure can enhance the field strength in a unit direction and improve the heating effect.

[0030] Reference Figure 7 In some other embodiments, in order to achieve the sliding adjustment of the position of the permanent magnet 804, the following technical solution can be adopted: a slider 802 is fixedly connected to the box body 803, the slider 802 is slidably disposed on the housing 801, and the slider 802 ensures the stable sliding of the box body 803.

[0031] Reference Figure 5 , Figure 6 and Figure 7To achieve the sliding of slider 802, a servo motor 805 is used as the driving source. The specific driving structure is as follows: a servo motor 805 is fixedly connected to the housing 801, and a drive shaft 806 is connected to the drive end of the servo motor 805. Upper and lower gears 808 are rotatably connected to the housing 801. A planetary reduction gear set 807 is provided on the housing 801. The drive shaft 806 is connected to the input end of the planetary reduction gear set 807, and the upper and lower gears 808 are connected to the output end of the planetary reduction gear set 807. A rack 809 is fixedly connected to slider 802. The upper and lower gears 808 mesh with the rack 809. When the servo motor 805 is started, the drive shaft 806 is driven to rotate. The drive shaft 806 drives the upper and lower gears 808 to rotate slowly through the planetary reduction gear set 807, thereby driving the meshing rack 809 to move slowly. The rack 809 drives the box 803 with permanent magnet 804 to move.

[0032] Reference Figure 4 A heat insulation sleeve 10 is connected to the upper part of the machine body 1. The heat insulation sleeve 10 is fitted on the permanent magnet heating head 8 to provide heat insulation and ensure the heating effect.

[0033] Reference Figure 4 A connector 13 with multiple threaded holes is fixedly connected to the body 1. The connector 13 is connected to the bushing of the rotating shaft 5 through the connecting sleeve 9. A connecting slip ring 14 is fixedly connected to the heat insulation sleeve 10 through the connecting plate 12. The connecting slip ring 14 is sleeved on the connector 13 and has multiple connecting holes. An electric telescopic rod 11 is fixedly connected to the body 1. The driving end of the electric telescopic rod 11 is fixedly connected to the connecting slip ring 14. When the electric telescopic rod 11 is started, the electric telescopic rod 11 drives the heat insulation sleeve 10 to adjust to different positions through the connecting plate 12 to adapt to the permanent magnet heating head 8. In addition, the setting of connecting holes and threaded holes can stabilize the height of the heat insulation sleeve 10 after adjustment.

[0034] Reference Figure 1 , Figure 2 and Figure 3 It also includes a movable platform 2 with a hub clamping station 3, located below the permanent magnet heating head 8. The hub clamping station 3 clamps the hub 6. The movable platform 2 is mounted on the machine body 1 with a lifting mechanism. A lead screw lifting motor 7 is fixedly connected to the machine body 1. The lifting lead screw of the lead screw lifting motor 7 is fixedly connected to the movable platform 2. The movable platform 2 adopts a linear guide platform, and the hub clamping station 3 can move on the linear guide platform. The dual clamping stations perform cyclic heating. In addition, the lead screw lifting motor 7 can adjust the position of the movable platform 2, so that the permanent magnet heating head 8 can penetrate into the hub 6 at different depths to heat different hubs 6.

[0035] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. An aluminum alloy wheel hub heating device comprising a machine body (1), a driving motor (4) is fixedly connected on the machine body (1), characterized in that, A rotating shaft (5) is rotatably connected to the body (1), and the driving end of the drive motor (4) is connected to the rotating shaft (5) for transmission. A permanent magnet heating head (8) is fixedly connected to the lower end of the rotating shaft (5).

2. The aluminum alloy wheel heating apparatus of claim 1, wherein The permanent magnet heating head (8) includes a housing (801), and a plurality of boxes (803) are slidably connected to the housing (801). The plurality of boxes (803) are circumferentially distributed on the housing (801), and a plurality of permanent magnets (804) are placed inside the boxes (803).

3. An aluminum alloy wheel heating apparatus according to claim 2, wherein The permanent magnets (804) are arranged in a Heilbeck array structure.

4. The aluminum alloy wheel heating apparatus of claim 2, wherein A slider (802) is fixedly connected to the box body (803), and the slider (802) is slidably disposed on the shell (801).

5. An aluminum alloy wheel heating apparatus according to claim 4, wherein A servo motor (805) is fixedly connected to the housing (801). The drive end of the servo motor (805) is connected to a drive shaft (806). An upper and lower gear (808) is rotatably connected to the housing (801). A planetary reduction gear set (807) is provided on the housing (801). The drive shaft (806) is connected to the input end of the planetary reduction gear set (807). The upper and lower gear (808) is connected to the output end of the planetary reduction gear set (807). A rack (809) is fixedly connected to the slider (802). The upper and lower gear (808) meshes with the rack (809).

6. An aluminum alloy wheel heating apparatus according to claim 1, wherein A rotating gear (501) is fixedly connected to the rotating shaft (5), and the driving end of the drive motor (4) is connected to the rotating gear (501) through a transmission gear.

7. The aluminum alloy wheel heating apparatus of claim 1, wherein A heat insulation sleeve (10) is connected to the upper part of the body (1) and is fitted onto the permanent magnet heating head (8).

8. An aluminum alloy wheel heating apparatus according to claim 7, wherein The body (1) is fixedly connected to a connector (13) with multiple threaded holes. The connector (13) is connected to the bushing of the rotating shaft (5) through a connecting sleeve (9). A connecting slip ring (14) is fixedly connected to the heat insulation sleeve (10) through a connecting plate (12). The connecting slip ring (14) is sleeved on the connector (13). The connecting slip ring (14) is provided with multiple connecting holes.

9. An aluminum alloy wheel heating apparatus according to claim 8, wherein An electric telescopic rod (11) is fixedly connected to the body (1), and the driving end of the electric telescopic rod (11) is fixedly connected to the connecting slip ring (14).

10. The aluminum alloy wheel heating apparatus of claim 1, wherein, It also includes a mobile platform (2) with a hub clamping station (3), which is located below the permanent magnet heating head (8).

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