Positioning device for processing aluminum alloy wheel hub

Abstract

The utility model relates to a kind of positioning device for aluminium alloy wheel hub processing, including machining center, operation platform and positioning assembly;The operation platform is installed on the machining center, the positioning assembly is set on the operation platform, to be used for fixing wheel hub;The positioning assembly includes two lever clamping air cylinders, two The lever clamping air cylinder is symmetrically set on the upper surface of the operation platform. This positioning device for aluminium alloy wheel hub processing, through the multidirectional positioning structure of positioning assembly, the movement and rotation of wheel hub can be restricted in all directions, avoid wheel hub deviation in processing process, adjusting assembly can be driven screw by motor, adjust the spacing of two lever clamping air cylinders, adapt to aluminium alloy wheel hub of different diameter, without replacing special positioning assembly for different size wheel hub, reduce equipment investment cost;At the same time, the structure design of positioning shaft and limiting shaft can also be further expanded by replacing adapter piece Adaptation range, improve equipment utilization.

Description

Technical Field

[0001] This utility model relates to the field of wheel hub processing technology, specifically a positioning device for processing aluminum alloy wheel hubs. Background Technology

[0002] In the field of aluminum alloy wheel hub processing, the accuracy and stability of the positioning device directly determine the quality of wheel hub processing. However, existing positioning devices generally suffer from the core defect of "poor adaptability": traditional positioning devices are mostly fixed structures that can only adapt to wheel hubs of a single size. When processing wheel hubs with different diameters and different center hole specifications, it is necessary to frequently replace special parts such as support blocks and clamping components. This is not only cumbersome and time-consuming, but also leads to a decrease in positioning accuracy due to deviations in component replacement, making it difficult to meet the needs of enterprises for mass production of multiple wheel hub models.

[0003] The problem of insufficient multi-directional fixation in existing positioning devices is also prominent. Most devices rely only on radial clamping or bottom support to achieve positioning, lacking effective restriction on the circumferential movement of the hub. During drilling, milling, and other machining processes, the hub is easily subjected to cutting forces and rotates around the central axis, resulting in offset of the machined hole position and irregular groove shape. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a positioning device for machining aluminum alloy wheel hubs, which solves the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a positioning device for machining aluminum alloy wheel hubs, comprising a machining center, an operating table, and a positioning assembly; The operating table is mounted on the machining center, and the positioning component is disposed on the operating table for fixing the wheel hub; The positioning component includes two lever clamping cylinders, which are symmetrically arranged on the upper surface of the operating table. Two first support blocks are provided on both the left and right sides of the upper surface of the operating table to support the left and right sides of the lower end face of the wheel hub. The two first support blocks are located on both sides of the front side of the lever clamping cylinder; The positioning component also includes a positioning shaft installed at the center of the upper surface of the operating platform, and second support blocks are provided on both the front and rear sides of the upper surface of the operating platform to support the front and rear sides of the lower end face of the wheel hub.

[0006] Furthermore, both of the lever clamping cylinders have rubber blocks installed at their clamping ends.

[0007] Furthermore, the front cross-section of the rubber block is L-shaped.

[0008] Furthermore, the upper surface of the second support block is located on the same horizontal plane as the upper surface of the first support block.

[0009] Furthermore, the positioning component also includes a drive cylinder mounted on the upper surface of the operating table. The drive cylinder is located between the first support block and the second support block. A limiting shaft is driven to the output end of the drive cylinder for circumferential limiting of the inner side of the wheel hub.

[0010] Furthermore, the positioning component also includes an adjustment component, which includes a mounting groove laterally opened inside the operating table. A screw is rotatably connected between the left and right sides of the inner wall of the mounting groove. Two sliding sleeves are threaded to the outer side of the screw. A motor with its output end connected to the screw is provided on the left side of the operating table.

[0011] Furthermore, corresponding to the two sliding sleeves, two sliding grooves are provided on the upper surface of the operating table, and the two sliding sleeves are slidably connected inside the two sliding grooves, and the two sliding sleeves are respectively connected to the two lever clamping cylinders for transmission.

[0012] Compared with the prior art, the technical solution of this application has the following beneficial effects: This positioning device for aluminum alloy wheel hub processing, through the multi-directional positioning structure of the positioning components, can restrict the movement and rotation of the wheel hub in all directions, preventing wheel hub misalignment during processing. The adjustment component can adjust the distance between the two lever clamping cylinders by driving the screw with a motor, adapting to aluminum alloy wheel hubs of different diameters. There is no need to replace the special positioning components for wheel hubs of different sizes, reducing equipment investment costs. At the same time, the structural design of the positioning shaft and the limit shaft can also further expand the adaptability range by replacing the adapter parts, improving equipment utilization. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a schematic diagram of the positioning component structure of this utility model; Figure 3 This is a cross-sectional view of the positioning component of this utility model.

[0014] In the diagram: 1. Machining center; 2. Operating table; 3. Positioning assembly; 301. Lever clamping cylinder; 302. First support block; 3031. Positioning shaft; 303. Second support block; 304. Rubber block; 305. Drive cylinder; 306. Motor; 307. Limiting shaft; 308. Mounting groove; 309. Screw; 310. Sliding sleeve. Detailed Implementation

[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0016] Please see Figure 1-2 In this embodiment, a positioning device for processing aluminum alloy wheel hubs achieves circumferential positioning and radial clamping of the wheel hub through positioning component 3, thereby meeting the processing requirements of wheel hub drilling, grinding, cutting, etc. Its structure mainly consists of a machining center 1, an operating table 2, and a positioning component 3. The components work together to achieve precise positioning and machining adaptation of the wheel hub. The machining center 1 is the core equipment for wheel hub machining, integrating drilling, cutting and other machining modules. The operating table 2 is fixedly installed on the machining center 1. The positioning component 3 is installed on the upper surface of the operating table 2. The positioning component 3 is used to fix the wheel hub and can be flexibly adjusted according to different wheel hub sizes to ensure positioning stability and versatility.

[0017] In detail, the positioning component 3 includes a lever clamping cylinder 301, a first support block 302, a positioning shaft 3031, a second support block 303, a rubber block 304, a drive cylinder 305, a motor 306, a limit shaft 307, a mounting groove 308, a screw 309, and a sliding sleeve 310. Among them, the lever clamping cylinders 301 are symmetrically arranged on the upper surface of the operating table 2, and L-shaped rubber blocks 304 are installed on the clamping ends of the two lever clamping cylinders 301.

[0018] In actual setup, the L-shaped structure can fit the outer wall and upper edge of the wheel hub, increasing the clamping contact area and improving clamping stability; the rubber block 304 is elastic, which can prevent the metal clamping end from directly contacting the wheel hub surface, thus avoiding scratches and damage, and protecting the appearance of the wheel hub; the lever clamping cylinder 301 is connected to the adjustment component through the sliding sleeve 310, which can realize left and right position adjustment to adapt to wheel hubs of different diameters.

[0019] Furthermore, the positioning component 3 also includes an adjustment component for adjusting the spacing of the lever clamping cylinder 301, which includes a mounting groove 308, a screw 309, a sliding sleeve 310 and a motor 306; The mounting groove 308 is horizontally opened inside the operating table 2. The screw 309 is rotatably connected between the left and right inner walls of the mounting groove 308, and two sliding sleeves 310 are threaded on the outer side. The upper surface of the operating table 2 has two sliding grooves corresponding to the sliding sleeves 310. The top of the sliding sleeve 310 passes through the sliding groove and is fixed to the lever clamping cylinder 301. The motor 306 is fixed on the left side of the operating table 2, and its output end is connected to the screw 309 for transmission.

[0020] In actual use, after starting, the screw 309 can be driven to rotate, which will cause the two sliding sleeves 310 to move in opposite directions along the screw 309, thereby adjusting the distance between the two lever clamping cylinders 301 to adapt to different sizes of wheel hubs.

[0021] Furthermore, two first support blocks 302 are provided on both the left and right sides of the upper surface of the operating table 2. The first support blocks 302 are located in front of the lever clamping cylinder 301 and are used to support the left and right sides of the lower end face of the wheel hub. Second support blocks 303 are provided on both the front and rear sides of the upper surface of the operating table 2 and are used to support the front and rear sides of the lower end face of the wheel hub. The upper surfaces of the first support blocks 302 and the second support blocks 303 are on the same horizontal plane, which can form a stable four-point support structure to ensure that the wheel hub remains horizontal after placement and avoid tilting that affects the processing accuracy. A positioning shaft 303 is installed at the center of the upper surface of the operating table 2. The positioning shaft 303 is adapted to the center hole of the wheel hub and can be inserted into the center hole of the wheel hub to achieve the initial positioning of the wheel hub and limit its lateral displacement.

[0022] Furthermore, a drive cylinder 305 is also installed on the upper surface of the operating table 2. The drive cylinder 305 is located between the first support block 302 and the second support block 303, and its output end is connected to the limit shaft 307. The drive cylinder 305 can drive the limit shaft 307 to move up and down. The top of the limit shaft 307 can abut against the inner wall of the wheel hub, and cooperate with the positioning shaft 303 to realize the circumferential limit of the wheel hub, so as to prevent the wheel hub from rotating around the positioning shaft 303 during the processing, and further improve the positioning stability.

[0023] In practical applications, based on the size of the wheel hub to be processed, the spacing of the lever clamping cylinders 301 is first adjusted, the motor 306 is started, the motor 306 drives the screw 309 to rotate, the screw 309 drives the two sliding sleeves 310 to move in opposite directions along the sliding groove, thereby driving the two lever clamping cylinders 301 to move to a position that matches the diameter of the wheel hub. The motor 306 is then turned off, and the wheel hub is placed on the operating table 2, so that the center hole of the wheel hub is fitted onto the positioning shaft 303, and the lower end face of the wheel hub is in contact with the upper surfaces of the first support block 302 and the second support block 303, completing the initial support and center positioning.

[0024] Start the drive cylinder 305, which pushes the limit shaft 307 upward until the top of the limit shaft 307 abuts against the inner side wall of the wheel hub, achieving circumferential limiting; then start the two lever clamping cylinders 301, whose clamping ends drive the L-shaped rubber block 304 to move towards the wheel hub, and the rubber block 304 fits against the outer side wall and upper edge of the wheel hub, applying clamping force to fix the wheel hub; after confirming that the wheel hub is positioned stably, start the machining center 1, and the machining module performs drilling, cutting and other machining operations on the wheel hub.

[0025] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0026] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A positioning device for machining aluminum alloy wheel hubs, comprising a machining center (1) and an operating table (2), characterized in that: It also includes a positioning component (3); The operating table (2) is installed on the machining center (1), and the positioning component (3) is set on the operating table (2) for fixing the wheel hub; The positioning component (3) includes two lever clamping cylinders (301). The two lever clamping cylinders (301) are symmetrically arranged on the upper surface of the operating table (2). Two first support blocks (302) are provided on both the left and right sides of the upper surface of the operating table (2) to support the left and right sides of the lower end face of the hub. The two first support blocks (302) are located on both sides of the front side of the lever clamping cylinder (301); The positioning component (3) also includes a positioning shaft (3031) installed at the center of the upper surface of the operating table (2). The front and rear sides of the upper surface of the operating table (2) are provided with second support blocks (303) to support the front and rear sides of the lower end face of the wheel hub.

2. The positioning device for machining aluminum alloy wheel hubs according to claim 1, characterized in that: Both of the lever clamping cylinders (301) are equipped with rubber blocks (304) at their clamping ends.

3. The positioning device for machining aluminum alloy wheel hubs according to claim 2, characterized in that: The front cross-section of the rubber block (304) is L-shaped.

4. The positioning device for machining aluminum alloy wheel hubs according to claim 1, characterized in that: The upper surfaces of the second support block (303) and the first support block (302) are on the same horizontal plane.

5. The positioning device for machining aluminum alloy wheel hubs according to claim 1, characterized in that: The positioning component (3) also includes a drive cylinder (305) mounted on the upper surface of the operating table (2). The drive cylinder (305) is located between the first support block (302) and the second support block (303). A limiting shaft (307) is connected to the output end of the drive cylinder (305) for circumferential limiting of the inner side of the hub.

6. The positioning device for machining aluminum alloy wheel hubs according to claim 1, characterized in that: The positioning component (3) also includes an adjustment component, which includes a mounting groove (308) that is laterally opened inside the operating table (2). A screw (309) is rotatably connected between the left and right sides of the inner wall of the mounting groove (308). Two sliding sleeves (310) are threadedly connected to the outer side of the screw (309). A motor (306) with its output end connected to the screw (309) is provided on the left side of the operating table (2).

7. The positioning device for machining aluminum alloy wheel hubs according to claim 6, characterized in that: Corresponding to the two sliding sleeves (310), two sliding grooves are provided on the upper surface of the operating table (2), and the two sliding sleeves (310) are slidably connected inside the two sliding grooves respectively, and the two sliding sleeves (310) are respectively connected to the two lever clamping cylinders (301) for transmission.

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