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Manufacturing method of fast aluminum alloy wheel hub fixture device

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Technical realization elements:

1. The purpose of this utility model.

The main purpose of the utility model is to ensure the accuracy of the forged wheel hub and rim during milling, without deformation, and at the same time increase the clamping efficiency.

2. The technical scheme adopted by the utility model.

The utility model proposes a fast wheel hub clamp device, which includes a positioning pin hole, six T-slots and a center hole; the position of the positioning pin hole is determined according to the different sizes of the hub, drawing 7 sizes of circles respectively, and Two locating pin holes are distributed on the circumference; the locating pin holes are divided into 4 groups, each of two similar sizes is a group, and each group shares 2 locating pin holes; the center hole is located at the center of the clamp and is installed with the tightening sleeve to fix the hub The disc, with the center hole as the center, is evenly distributed around 6 T-shaped grooves pointing to the center of the circle, and the angle between each two is 60 degrees.

In a further specific embodiment, it further includes four assembly holes located at the four corners of the device, and are arranged in a coordinated manner with the T-slots in the clamping station.

In a further specific embodiment, the 7 size circumferences of the positioning pin holes are 16 inches to 22 inches.

In a further specific embodiment, the positioning pins are divided into 4 groups, each of two similar sizes is a group, specifically: 16-17 inches is a group, 18-19 inches is a group, and 20-21 inches is a group. Group, 22 inches is a group, each group shares 2 positioning pin holes.

In a further specific embodiment, the central hole is a 250 mm hole.

3. The beneficial effects of the utility model.

(1) The positioning pin hole provided by the utility model can realize quick clamping and assist positioning in the process of dividing, which effectively improves clamping efficiency.

(2) The central hole provided in the utility model is a reserved clamping position for the tension sleeve to ensure the accuracy of spoke processing.

(3) The six T-slots provided in the utility model improve the accuracy and stability of clamping, improve clamping efficiency, and ensure the machining accuracy of the rim part during the milling process.

(4) The four assembly holes provided by the utility model improve the coordination stability of the six-claw plate for positioning the wheel hub and the equipment.

In summary, the utility model can be used in conjunction with the tensioning sleeve device to effectively clamp 16-22 inch forged wheels, accurately position the wheels, and evenly provide fixed support at every 60 degree angle position, thereby ensuring the rim of the wheel hub The parts are not easily deformed due to the excessive processing amount during processing, which effectively guarantees the production stability and accuracy of the wheel hub. And this quick clamping fixture can improve the clamping efficiency of the wheel hub and increase the production efficiency.

Description of the drawings

Figure 1 is a structural diagram of a fast hub clamp device.

1. Positioning pin hole; 2. Center hole; 3. T-shaped clamping groove; 4. Clamping bolt hole.

detailed description

Example

The wheel hub positioning six-jaw clamping fixture of the utility model includes: positioning pin holes and positioning pins (16 inches-22 inches), six T-slots, one center hole and four assembly holes. (1) Locating pin holes: according to the different sizes of the wheels, draw 16 inches, 17 inches, 18 inches, 19 inches, 20 inches, 21 inches, 22 inches on the board, a total of 7 circles, and they are distributed on the circumference 2 There are two positioning holes, but too many positioning pins will cause repeated movement of the positioning pins, inconvenient to find the positioning pins, etc., and reduce the clamping efficiency. Therefore, according to the size, the positioning pins are divided into 4 groups, 16-17 inches is a group, 18-19 inches is a group, 20-21 inches is a group, 22 inches is a group, and each group shares 2 positioning Pins are used for positioning when the hub is clamped. (2) Center hole: A hole with a diameter of 250mm is opened in the middle of the plate. This hole is used to cooperate with another utility model of the company's tightening sleeve, so as to fix the wheel hub installation disc part and effectively prevent the deformation of the spoke part. . (3) Six T-slots: With the center hole as the center, 6 T-slots pointing to the center of the circle are evenly distributed around. The angle between each two T-slots is 60 degrees, which can be effective Improve the accuracy of clamping and prevent the unbalanced force caused by uneven clamping during the clamping process, thus ensuring that the rim part during the milling process will not be deformed due to shrinkage and deformation caused by the milling window. (4) 4 assembly holes: this assembly hole matches the T-slot spacing in the clamping table on the corresponding milling equipment, and can be directly locked by screws. Therefore, the coordination stability of the six-claw plate for positioning the wheel hub and the equipment is improved.

Take a wheel hub with a specification of 17*7.5 as an example, the diameter is 17 inch wheels, and the tire width is 7.5 inches. The clamping steps before milling are as follows:

(1) Place the wheel hub positioning six-claw plate on the milling machine;

(2) Choose bolts on the 4 corners to fasten on the milling machine workbench;

(3) Put the positioning pin into the 17-inch positioning hole;

(4) Put the wheel hub on the wheel hub positioning six-claw plate, and place the outer edge of the wheel rim against the positioning pin;

(5) Put the splint in the 6 T-slots, clamp the raised part of the outer edge of the rim, and fix the bolts firmly.

Example 2:

Take the wheel hub with a specification of 21*9.5 as an example, the diameter is 21 inch wheels, and the tire width is 9.5 inches. The clamping steps before milling are as follows:

(1) Place the wheel hub positioning six-claw plate on the milling machine;

(2) Choose bolts on the 4 corners to fasten on the milling machine workbench;

(3) Put the positioning pin into the 19-inch positioning hole;

(4) Put the wheel hub on the wheel hub positioning six-claw plate, and place the outer edge of the wheel rim against the positioning pin;

(5) Put the splint in the 6 T-slots, clamp the raised part of the outer edge of the rim, and fix the bolts firmly.

 

Technical characteristics:
1. A fast wheel hub clamp device, characterized in that it includes a positioning pin hole, six T-slots and a center hole; the position of the positioning pin hole is determined according to different sizes of the hub, and 7 sizes of circles are drawn respectively. And two positioning pin holes are distributed on the circumference; the positioning pin holes are divided into 4 groups, each of the two sizes is a group, each group shares 2 positioning pin holes; the center hole is located at the center of the fixture and fixed with the tension sleeve The hub mounting plate, with the central hole as the center, is evenly distributed around 6 T-slots pointing to the center of the circle, and the angle between each two is 60 degrees.

2. The fast wheel hub clamp device according to claim 1, characterized in that it further comprises 4 assembly holes located at the four corners of the device, which are arranged in matching with the T-slots in the clamping station.

3. The quick hub clamp device according to claim 1, characterized in that the 7 size circumferences defining the positioning pin holes are 16 inches to 22 inches.

4. The quick hub clamp device according to claim 3, characterized in that the positioning pins are divided into 4 groups, each of two similar sizes is a group, specifically: 16-17 inches is a group, 18-19 inches It is a group, 20-21 inches is a group, 22 inches is a group, and each group shares 2 positioning pin holes.

5. The quick hub clamp device according to claim 1, wherein the central hole is a 250mm hole.


Technical summary
The utility model discloses a fast wheel hub clamp device, which includes a positioning pin hole, six T-slots and a center hole; the position of the positioning pin hole is determined according to the different sizes of the hub, and 7 sizes of circles are drawn respectively, and Two locating pin holes are distributed on the circumference; the locating pin holes are divided into 4 groups, each of two similar sizes is a group, and each group shares 2 locating pin holes; the center hole is located at the center of the clamp and the tension sleeve is used to fix the hub The mounting plate, with the central hole as the center, is evenly distributed around 6 T-slots pointing to the center of the circle, and the angle between each two is 60 degrees. In summary, the utility model can be used together with the tensioning sleeve device to effectively clamp forged hubs of various sizes, accurately position the hub, and evenly provide fixed support at every 60 degree angular position, thereby ensuring that the rim of the hub is not easy In the processing, the deformation caused by the excessive processing amount can effectively ensure the production stability and accuracy of the wheel hub.

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