Positioning table for hub machining

Abstract

The utility model discloses a positioning table for hub machining, which relates to the technical field of hub machining equipment and comprises a mounting platform, a hub frame is mounted at the top of the mounting platform, a hub center groove is formed in the center of the bottom of the hub frame, and radial spoke bases are arranged on the outer wall of the hub center groove. A chassis is arranged below the hub center groove and the spoke base, the center position of the chassis communicates with a mounting cylinder, a positioning shaft abutting plate is slidably mounted in the mounting cylinder, the bottom end of the positioning shaft abutting plate is rotationally connected with an adjusting lead screw, and a threaded through hole is formed in the center position of the inner bottom wall of the mounting cylinder. The bottom end of the adjusting lead screw penetrates to the position below the mounting cylinder, and a rotating handle is mounted at the end of the adjusting lead screw. The positioning shaft abutting plate is driven by the adjusting lead screw to move up and down, so that precise positioning in the vertical direction of the center shaft of the hub is achieved, fine adjustment is supported through thread fit, and the device is adaptive to hubs of different sizes.

Description

Technical Field

[0001] This utility model relates to the technical field of wheel hub processing equipment, specifically a positioning table for wheel hub processing. Background Technology

[0002] In the wheel hub manufacturing industry, ensuring precise positioning of the wheel hub during the manufacturing process is crucial. This not only affects the machining accuracy of the wheel hub but also directly impacts the quality and performance of the final product. Traditional wheel hub positioning methods mainly rely on positioning shafts set to the center hole of the wheel hub. During mounting, this positioning method uses positioning shafts to precisely insert into the center hole of the wheel hub, achieving center positioning of the wheel hub and providing a stable reference for subsequent processing steps.

[0003] However, with the rapid development of the automotive industry and the increasing demand from consumers for diverse vehicles, more and more wheel hubs of different specifications and types have appeared on the market. These wheel hubs vary significantly in center bore diameter and rim height. Traditional positioning shaft methods are inadequate in dealing with this diversity. Because positioning shafts are often designed for the center bore size of specific wheel types, they can only be used for positioning and processing a single wheel type. In actual production, this limitation brings many inconveniences. When multiple different types of wheel hubs need to be produced on a mixed production line, traditional positioning shaft methods often require frequent replacement of positioning shafts to adapt to different wheel bore diameters. This not only increases production costs and time but also reduces production efficiency. More seriously, frequent replacement of positioning shafts may introduce positioning errors, affecting the machining accuracy of the wheel hubs. Utility Model Content

[0004] The purpose of this invention is to provide a positioning table for wheel hub processing, so as to solve the problems mentioned in the background art.

[0005] To solve the above-mentioned technical problems, this utility model provides a positioning table for wheel hub processing, including an installation platform. A wheel hub frame is installed on the top of the installation platform. A wheel hub center groove is formed at the bottom center of the wheel hub frame. A radial spoke base is provided on the outer wall of the wheel hub center groove. A chassis is provided below the wheel hub center groove and the spoke base. An installation cylinder is connected to the center of the chassis. A positioning shaft abutment plate is slidably installed inside the installation cylinder. An adjusting screw is rotatably connected to the bottom end of the positioning shaft abutment plate. A threaded through hole is formed at the center of the inner bottom wall of the installation cylinder. The bottom end of the adjusting screw extends through to the bottom of the installation cylinder, and a handle is installed at the end of the adjusting screw.

[0006] Furthermore, a number of equally spaced mounting blocks are fixedly installed on the outer side wall of the chassis.

[0007] Furthermore, the spoke base has teardrop-shaped holes between adjacent radial strips, and several fixing blocks are arranged radiating from the center point of the hub center groove inside the holes of the spoke base.

[0008] Furthermore, the fixing block and the mounting block are provided with bolt holes that are connected vertically.

[0009] Furthermore, the upper surface of the spoke base is wavy and zigzag-shaped, and the longitudinal section of the spoke base is an hourglass shape with thicker ends and thinner middle section.

[0010] Furthermore, a rubber pad is installed on the upper surface of the spoke base.

[0011] Furthermore, the throttle is provided with anti-slip texture.

[0012] Furthermore, the lower surface of the chassis and the upper surface of the spoke base are provided with a number of threaded holes that are connected vertically, and bolts are installed in the threaded holes.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] 1. This utility model achieves precise vertical positioning of the hub center axis by adjusting the lead screw to drive the positioning shaft to move up and down the abutment plate. The threaded fit supports fine adjustment and adapts to different hub sizes. The radial spoke base and the divergent fixed blocks work together, combined with the bolt tightening mechanism, to effectively constrain the radial displacement of the hub and disperse the processing stress.

[0015] 2. This utility model provides elastic deformation space through the hourglass-shaped spoke base, which enhances the wrapping of the hub under pressure, and takes into account both flexible clamping and rigid support. The fixing block and the mounting block are connected by bolts, and the spacing can be adjusted to adapt to hub models with different spoke distributions, which is highly versatile. The bidirectional bolts in the upper and lower threaded holes form a counter-clamping force to counteract radial vibration during processing and prevent hub displacement. The mounting cylinder guides the positioning shaft abutment plate to avoid adjustment skew. The rubber gasket further suppresses micro-displacement during high-frequency processing. Attached Figure Description

[0016] Figure 1 A schematic diagram of the main body of a positioning table for wheel hub processing;

[0017] Figure 2 A schematic diagram of the bottom structure of a positioning table for wheel hub processing;

[0018] Figure 3 A schematic diagram of the positioning shaft abutment plate and the mounting cylinder structure in a positioning table for wheel hub processing;

[0019] Figure 4 This is a schematic diagram of the structure of a positioning table for wheel hub processing, showing the fixing block and the mounting block.

[0020] In the picture:

[0021] 1. Mounting platform; 2. Spoke base; 3. Hub frame; 4. Hub center groove; 5. Chassis; 6. Mounting block; 7. Mounting cylinder; 8. Threaded through hole; 9. Adjusting screw; 10. Throttle; 11. Positioning shaft abutment plate; 12. Bolt hole; 13. Fixing block. Detailed Implementation

[0022] 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.

[0023] Please see Figure 1-4 This utility model provides a technical solution:

[0024] See Figure 1 , Figure 2 and Figure 3 As shown, a positioning table for wheel hub processing includes a mounting platform 1. A wheel hub frame 3 is mounted on the top of the mounting platform 1. A wheel hub center groove 4 is formed at the bottom center of the wheel hub frame 3. A radial spoke base 2 is provided on the outer wall of the wheel hub center groove 4. A base plate 5 is provided below the wheel hub center groove 4 and the spoke base 2. A mounting cylinder 7 is connected to the center of the base plate 5. A positioning shaft abutment plate 11 is slidably mounted inside the mounting cylinder 7. An adjusting screw 9 is rotatably connected to the bottom end of the positioning shaft abutment plate 11. A threaded through hole 8 is formed at the center of the inner bottom wall of the mounting cylinder 7. The bottom end of the adjusting screw 9 extends through to the bottom of the mounting cylinder 7, and a handle 10 is installed at the end of the adjusting screw 9.

[0025] In the specific implementation process, the wheel hub to be processed is placed inside the wheel hub frame 3, so that the center positioning shaft of the wheel hub is aligned with the center groove 4 of the wheel hub, and the bottom of the spokes fits into the radial structure of the spoke base 2 to achieve initial positioning. By rotating the throttle 10, the adjusting screw 9 is driven to move up and down along the threaded through hole 8, which drives the positioning shaft abutment plate 11 to slide in the mounting cylinder 7 until the top of the positioning shaft abutment plate 11 contacts the bottom of the center positioning shaft of the wheel hub, thus completing the vertical positioning of the wheel hub. The adjusting screw 9 and the threaded through hole 8 adopt a precision thread fit to achieve fine adjustment of the positioning shaft abutment plate 11 to adapt to different wheel hub sizes. The radial spoke base 2 matches the spoke curvature, disperses the radial stress during processing, and prevents the wheel hub from shifting. The mounting cylinder 7 guides the positioning shaft abutment plate 11 to avoid skewing during adjustment.

[0026] See Figure 1 and Figure 4 As shown, several equally spaced mounting blocks 6 are fixedly installed on the outer wall of the chassis 5. Teardrop-shaped holes are formed between adjacent radial strips of the spoke base 2. Several fixing blocks 13 are arranged radiating from the center point of the hub center groove 4 within the holes of the spoke base 2. Bolt holes 12, which are vertically connected, are provided on the fixing blocks 13 and the mounting blocks 6. In practice, the hub is placed inside the hub frame 3, aligning its central positioning axis with the hub center groove 4. The bottom of the spokes is attached to the surface of the radial strips of the spoke base 2. The spoke position is observed through the teardrop-shaped holes to ensure uniform circumferential distribution around the hub. Bolts are passed through the bolt holes 12 of the fixing blocks 13 and connected to the corresponding bolt holes 12 of the mounting blocks 6 below. After tightening, the fixing blocks 13 press against the inner side of the spokes to prevent radial displacement during processing. The fixing blocks 13 are arranged radiating from the center point of the hub center groove 4 to accommodate hub models with different spoke spacing.

[0027] See Figure 1 and Figure 2 As shown, the upper surface of the spoke base 2 is wavy and undulating. The longitudinal section of the spoke base 2 is an hourglass shape, thicker at both ends and thinner in the middle. Rubber pads are installed on the upper surface of the spoke base 2, and the throttle 10 has anti-slip textures. Several threaded holes with vertical connections are opened on the lower surface of the chassis 5 and the upper surface of the spoke base 2, and bolts are installed in the threaded holes. In the specific implementation process, the hub is placed on the wavy upper surface of the spoke base 2. The rubber pads increase the friction and prevent the spoke surface from being scratched. The spokes naturally fit into the wavy undulations. With the elastic deformation of the hourglass-shaped longitudinal section, which is thicker at both ends and thinner in the middle, pre-tightening positioning is achieved. Radial pressure is applied to the spokes through the fixing block 13 and the bolts in the threaded holes. The upper threaded hole penetrates the upper surface of the spoke base 2, and the bolts are screwed downward to press the spokes. The lower threaded hole of the chassis 5 is screwed upward from the corresponding bolt, forming a bidirectional clamping with the upper bolt. The hourglass-shaped spoke base 2 undergoes slight deformation when compressed in the middle section, enhancing its wrapping effect on the hub. It connects to the external processing platform through threaded holes on the lower surface of the chassis 5. Bolts pass through the upper and lower threaded holes to form an overall frame structure. The wave profile of the spoke base 2 matches the curved surface of the spokes. Rubber pads provide anti-slip and shock absorption, preventing micro-displacement during high-frequency processing. The thin section in the middle provides space for elastic deformation, while the thick sections at both ends ensure structural strength, achieving flexible clamping and rigid support. The bolts in the upper and lower threaded holes form a counterforce to counteract radial vibration during processing.

[0028] Working principle:

[0029] Step 1: Place the wheel hub to be processed in the wheel hub frame 3 on the top of the mounting platform 1, align the center positioning shaft of the wheel hub with the center groove 4 of the wheel hub, and at the same time, the bottom of the spokes should fit against the radial structure of the spoke base 2. By rotating the throttle 10, the adjusting screw 9 is driven to move up and down along the threaded through hole 8. The up and down movement of the adjusting screw 9 causes the positioning shaft abutment plate 11 to slide inside the mounting cylinder 7. When the top of the positioning shaft abutment plate 11 contacts the bottom of the center positioning shaft of the wheel hub, the wheel hub is positioned in the vertical direction. The precise thread engagement between the adjusting screw 9 and the threaded through hole 8 enables the fine adjustment of the positioning shaft abutment plate 11 to accommodate wheel hubs of different sizes.

[0030] Step 2: Use bolts to pass through the bolt holes 12 of the fixing block 13 and connect them to the corresponding bolt holes 12 of the mounting block 6 below. After tightening the bolts, the fixing block 13 presses against the inner side of the spokes to prevent radial displacement during processing. The fixing blocks 13 are arranged divergingly along the center point of the hub center groove 4 to adapt to hub models with different spoke spacing. The upper surface of the spoke base 2 is wavy and zigzag-shaped, which, combined with the elastic deformation of the hourglass-shaped longitudinal section, achieves pre-tightening positioning of the hub. The rubber gasket increases friction and prevents scratches on the spoke surface. Radial pressure is applied to the spokes through the fixing block 13 and the bolts in the threaded holes. The upper threaded holes penetrate the upper surface of the spoke base 2, and the bolts are screwed downwards. The spokes are clamped, and the lower threaded hole of the chassis 5 is screwed upward from the corresponding bolt, forming a bidirectional clamping force with the upper bolt. The hourglass-shaped spoke base 2 undergoes slight deformation when the middle section is compressed, enhancing the wrapping of the hub. It is connected to the external processing platform through the threaded hole on the lower surface of the chassis 5. The bolts pass through the upper and lower threaded holes to form an integral frame structure. The bolts in the upper and lower threaded holes form a counter-force to counteract radial vibration during processing. The wave profile of the spoke base 2 matches the spoke curvature. The rubber pad is anti-slip and shock-absorbing. The thin section in the middle provides space for elastic deformation, while the thick sections at both ends ensure structural strength, achieving flexible clamping and rigid support, and avoiding micro-displacement during high-frequency processing.

[0031] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A positioning table for wheel hub processing, characterized in that, The system includes an installation platform (1), on which a hub frame (3) is installed. A hub center groove (4) is provided at the bottom center of the hub frame (3). A radial spoke base (2) is provided on the outer wall of the hub center groove (4). A chassis (5) is provided below the hub center groove (4) and the spoke base (2). An installation cylinder (7) is connected to the center of the chassis (5). A positioning shaft abutment plate (11) is slidably installed inside the installation cylinder (7). An adjusting screw (9) is rotatably connected to the bottom end of the positioning shaft abutment plate (11). A threaded through hole (8) is provided at the center of the inner bottom wall of the installation cylinder (7). The bottom end of the adjusting screw (9) extends through to the bottom of the installation cylinder (7), and a throttle handle (10) is installed at the end of the adjusting screw (9).

2. The positioning table for wheel hub processing as described in claim 1, characterized in that: The outer side wall of the chassis (5) is fixedly equipped with several equally spaced mounting blocks (6).

3. A positioning table for wheel hub processing as described in claim 2, characterized in that: The spoke base (2) has teardrop-shaped holes between adjacent radial strips, and several fixing blocks (13) are arranged in the holes of the spoke base (2) radiating outward from the center point of the hub center groove (4).

4. A positioning table for wheel hub processing as described in claim 3, characterized in that: The fixing block (13) and the mounting block (6) are provided with bolt holes (12) that are connected vertically.

5. A positioning table for wheel hub processing as described in claim 4, characterized in that: The upper surface of the spoke base (2) is wavy and curved, and the longitudinal section of the spoke base (2) is an hourglass shape with thicker ends and thinner middle section.

6. A positioning table for wheel hub processing as described in claim 5, characterized in that: A rubber pad is installed on the upper surface of the spoke base (2).

7. A positioning table for wheel hub processing as described in claim 6, characterized in that: The throttle (10) is provided with anti-slip texture.

8. A positioning table for wheel hub processing as described in claim 7, characterized in that: The lower surface of the chassis (5) and the upper surface of the spoke base (2) are provided with several threaded holes that are connected vertically, and bolts are installed in the threaded holes.

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