Hub flange angle automatic positioning device

Abstract

The utility model discloses an automatic wheel hub flange angle positioning device which comprises a working table which is provided with a plurality of groups of positioning mechanisms. The positioning mechanism comprises a rotating assembly installed on the workbench, a rotating disc fixed to the top of the rotating assembly and used for containing the hub flange, a first sensor assembly arranged on the side edge of the rotating disc and used for detecting whether a workpiece exists on the rotating disc or not, and a second sensor assembly fixed to the workbench and used for positioning the hub flange. According to the hub flange angle positioning device, a truss mechanical arm places a workpiece on a rotating disc, a first sensor assembly detects that the workpiece is arranged on the rotating disc, the rotating disc starts to rotate at a low speed and stops rotating until a second sensor assembly detects one step of the workpiece, a rotating assembly drives the rotating disc to deviate by an angle again, and the rotating disc rotates; and the workpiece stops at a required fixed angle, so that the threaded hole of the product can be automatically processed and detected subsequently. Operation is easy, the automation degree is high, the manual labor amount is reduced, and the labor cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of automatic positioning equipment, in particular to an automatic hub flange angle positioning device. Background Art

[0002] The hub flange is the main core part of the automobile wheel assembly and is widely used in the automobile manufacturing industry. Before automatic machining or thread hole detection of the hub flange, positioning needs to be carried out first. Most of the existing positioning methods are realized by positioning jigs or manual methods, with low positioning efficiency and low positioning accuracy. Therefore, it is necessary to design an automatic hub flange angle positioning device with high positioning efficiency and high accuracy. Summary of the Utility Model

[0003] Aiming at the technical problems existing in the background art, the purpose of the utility model is to provide an automatic hub flange angle positioning device with high positioning efficiency and high accuracy.

[0004] In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

[0005] An automatic hub flange angle positioning device includes a workbench. A number of groups of positioning mechanisms are arranged on the workbench. The positioning mechanism includes a rotating assembly installed on the workbench, a turntable fixed on the top of the rotating assembly and used for placing the hub flange, a first sensor assembly arranged on the side of the turntable and used for detecting whether there is a workpiece on the turntable, and a second sensor assembly fixed on the workbench and used for positioning the hub flange.

[0006] Furthermore, the rotating assembly includes a bottom plate, a stepping motor, a coupling, a rotating shaft and a number of connecting rods. The bottom plate is fixed on the workbench. The stepping motor is fixed under the bottom plate through a number of connecting rods. The rotating shaft is connected to the shaft end of the stepping motor through the coupling. The top of the rotating shaft passes upward through the bottom plate and is connected to the turntable.

[0007] Furthermore, the first sensor assembly includes an optoelectronic bracket and an optoelectronic sensor fixed on the optoelectronic bracket. The signal emission channel of the optoelectronic sensor is opposite to the side position of the hub flange.

[0008] Preferably, in order to prevent false detection, two groups of the first sensor assembly are provided. The signal emission channels of the two optoelectronic sensors of the two groups of the first sensor assembly respectively correspond to different height positions on the side of the hub flange.

[0009] Further, the second sensor assembly includes a support rod fixed on the workbench, a cross clamp mounted on the support rod and movable up and down, a cross bar fixed on the cross clamp, a photoelectric clamp mounted on the cross bar and adjustable in angle, and a laser sensor fixed on the photoelectric clamp. The signal emission channel of the laser sensor is opposite to the step surface position of the hub flange.

[0010] Preferably, in order to more accurately position the hub flange, a flange centering assembly is further included. The flange centering assembly includes a rotary clamping cylinder fixed on the workbench, a swing arm connected to the rod end of the rotary clamping cylinder, and a center point mounted at the end of the swing arm for centering the hub flange.

[0011] The utility model has the following beneficial effects: It provides an automatic angle positioning device for hub flanges. The truss manipulator places the workpiece on the turntable. The first sensor assembly detects that there is a workpiece on the turntable and starts to rotate slowly until the second sensor assembly detects one of the steps of the workpiece and then stops rotating. The rotating assembly drives the turntable to offset by another angle, and the workpiece stops at the required fixed angle, which is convenient for subsequent automatic processing and detection of the threaded holes of the product. The operation is simple, the degree of automation is high, the manual labor amount is reduced, and the labor cost is lowered. Description of the Drawings

[0012] Figure 1 is a three-dimensional structural schematic diagram of the utility model.

[0013] Figure 2 is a three-dimensional structural schematic diagram of the rotating assembly.

[0014] Main component symbol description: 1. Workbench; 2. Positioning mechanism; 21. Rotating assembly; 211. Bottom plate; 212. Stepper motor; 213. Coupling; 214. Rotating shaft; 215. Connecting rod; 22. Turntable; 23. First sensor assembly; 231. Photoelectric support; 232. Photoelectric sensor; 24. Second sensor assembly; 241. Support rod; 242. Cross clamp; 243. Cross bar; 244. Photoelectric clamp; 245. Laser sensor; 3. Hub flange; 4. Flange centering assembly; 41. Rotary clamping cylinder; 42. Swing arm; 43. Center point. Detailed Embodiment

[0015] The following further describes the utility model in conjunction with the drawings and detailed embodiments.

[0016] As Figure 1As shown in the figure, the utility model discloses an automatic positioning device for the angle of a wheel hub flange, which includes a workbench 1. There are several groups of positioning mechanisms 2 on the workbench 1. The positioning mechanism 2 includes a rotating assembly 21 installed on the workbench 1, a turntable 22 fixed on the top of the rotating assembly 21 and used for placing the wheel hub flange 3, a first sensor assembly 23 arranged on the side of the turntable 22 and used for detecting whether there is a workpiece on the turntable 22, and a second sensor assembly 24 fixed on the workbench 2 and used for positioning the wheel hub flange 3.

[0017] As Figure 2 shown, the rotating assembly 21 includes a bottom plate 211, a stepping motor 212, a coupling 213, a rotating shaft 214 and several connecting rods 215. The bottom plate 211 is fixed on the workbench 1. The stepping motor 212 is fixed below the bottom plate 211 through several connecting rods 215. The rotating shaft 214 is connected to the shaft end of the stepping motor 212 through the coupling 213. The top of the rotating shaft 214 passes through the bottom plate 211 upward and is connected to the turntable 22.

[0018] The first sensor assembly 23 includes an optoelectronic support 231 and an optoelectronic sensor 232 fixed on the optoelectronic support 231. The signal emission channel of the optoelectronic sensor 232 is opposite to the side position of the wheel hub flange 3.

[0019] Preferably, there are two groups of the first sensor assembly 23. The signal emission channels of the two optoelectronic sensors 232 of the two groups of the first sensor assembly 23 respectively correspond to different height positions on the side of the wheel hub flange 3.

[0020] The second sensor assembly 24 includes a support rod 241 fixed on the workbench 1, a cross clamp 242 installed on the support rod 241 and capable of moving up and down, a cross bar 243 fixed on the cross clamp 242, an optoelectronic clamp 244 installed on the cross bar 243 and capable of adjusting the angle, and a laser sensor 245 fixed on the optoelectronic clamp 244. The signal emission channel of the laser sensor 245 is opposite to the step surface position of the wheel hub flange 3. The model of the laser sensor 245 is Keyence laser sensor LR-ZB100N.

[0021] Preferably, it further includes a flange centering assembly 4. The flange centering assembly 4 includes a rotary clamping cylinder 41 fixed on the workbench 1, a swing arm 42 connected to the rod end of the rotary clamping cylinder 41, and a center point 43 installed at the end of the swing arm 42 and used for centering the wheel hub flange 3. The model of the rotary clamping cylinder 41 is QCKL32*30SMFB.

[0022] The working principle of the present utility model is as follows: 1. The truss manipulator places the hub flange 3 on the turntable 22. The rotary clamping cylinder 41 drives the swing arm 42 to rotate, and rotates the center point 43 to the directly above the top shaft hole of the hub flange 3. The rotary clamping cylinder 41 drives the center point 43 to move downward to perform a centering action on the hub flange 3; 2. When the photoelectric sensor 232 detects that there is a workpiece on the turntable 22, it starts to rotate slowly until the laser sensor 245 detects one of the steps of the hub flange 3 and then stops rotating; 3. The stepping motor 212 operates and drives the turntable 22 to offset by an angle, and the hub flange 3 stops at the required fixed angle, which is convenient for subsequent automatic processing and detection of the threaded holes of the product.

[0023] Although the present utility model is specifically shown and described in combination with the preferred implementation embodiments, those skilled in the art should understand that without departing from the spirit and scope of the present utility model defined by the appended claims, various changes in form and details made to the present utility model are within the protection scope of the present utility model.

Claims

1. A hub flange angle automatic positioning device, comprising a workbench, characterized in that: The workbench is provided with several groups of positioning mechanisms, which include a rotating assembly installed on the workbench, a turntable fixed on the top of the rotating assembly and used to place the hub flange, a first sensor assembly arranged on the side of the turntable and used to detect whether there is a workpiece on the turntable, and a second sensor assembly fixed on the workbench and used to position the hub flange.

2. The automatic hub flange angle positioning device according to claim 1, characterized in that: The rotating assembly includes a base plate, a stepper motor, a coupling, a rotating shaft and a plurality of connecting rods. The base plate is fixed on the workbench, the stepper motor is fixed under the base plate through a plurality of connecting rods, the rotating shaft is connected to the shaft end of the stepper motor through a coupling, and the top of the rotating shaft passes upward through the base plate and is connected to the turntable.

3. The automatic hub flange angle positioning device according to claim 1, characterized in that: The first sensor assembly includes a photoelectric bracket and a photoelectric sensor fixed on the photoelectric bracket, and a signal transmission channel of the photoelectric sensor is opposite to the side position of the hub flange.

4. The automatic hub flange angle positioning device according to claim 3, characterized in that: The first sensor assembly is provided with two groups, and the signal transmission channels of the two photoelectric sensors of the two groups of the first sensor assembly correspond to different height positions of the side of the hub flange respectively.

5. The automatic hub flange angle positioning device according to claim 1, characterized in that: The second sensor assembly includes a support rod fixed on the workbench, a cross clamp installed on the support rod and movable up and down, a cross bar fixed on the cross clamp, a photoelectric clamp installed on the cross bar and adjustable in angle, and a laser sensor fixed on the photoelectric clamp, wherein the signal transmission channel of the laser sensor is opposite to the step surface of the hub flange.

6. The automatic hub flange angle positioning device according to claim 1, characterized in that: It also includes a flange centering assembly, which includes a rotary clamping cylinder fixed on the workbench, a swing arm connected to the rod end of the rotary clamping cylinder, and a top installed at the end of the swing arm and used to center the hub flange.

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