Hub eccentric machining tool
By designing the eccentric processing tooling of the hub, the eccentric setting and adjustment of the installation disc, positioning core and screw system, the problem of uneven thickness in the hub processing is solved, and the precise processing of the part that exceeds the thickness is achieved to ensure uniform thickness of the wheel rim.
Patent Information
- Application Number
- CN202421180802.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-28
- Publication Date
- 2025-02-28
- Estimated Expiration
- 2034-05-28
AI Technical Summary
During the wheel hub processing, the problem of uneven thickness of the rim wall leads to the need to re-process the thicker side of the rim, but the existing processing tooling cannot only process the required position.
A hub eccentric machining tool is designed, including a mounting plate, a positioning core and a screw system. Through eccentric setting and screw adjustment, the eccentricity between the hub center and the machine tool spindle is achieved, and only the part with excessive thickness is processed.
Accurate processing of parts with uneven thickness of the wheel hub is achieved, ensuring uniform thickness of the entire wheel rim, and improving processing efficiency and accuracy.
Smart Images
Figure 00000000_0000_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of wheel hub processing, and more specifically, to a wheel hub eccentric processing tool. Background Art
[0002] During the wheel hub processing, the wheel rim wall thickness may be uneven. To address this problem, the thicker side of the wheel rim needs to be processed again to ensure consistent thickness. In current processing tooling, the wheel hub rotates around the axis of the machine tool spindle, and all parts will be processed during processing, and it is impossible to process only the required positions. Utility Model Content
[0003] The purpose of the utility model is to overcome the deficiencies of the prior art and provide a hub eccentricity processing tool.
[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0005] The utility model discloses a hub eccentric processing tool, comprising a mounting plate, a positioning core mounted on the mounting plate, the positioning core and the mounting plate are eccentrically arranged, a positioning hole is provided in the middle of the positioning core, and a positioning groove is provided on the positioning core at a side wall of the positioning hole.
[0006] Furthermore, a plurality of mounting holes are formed on the mounting plate, and the plurality of mounting holes are evenly distributed.
[0007] Furthermore, a groove and a screw groove are provided on one side of the mounting plate close to the positioning core, a screw is rotatably arranged in the screw groove, a screw thread block is provided on the screw, a mounting groove is provided on the lower outer periphery of the positioning core, a fixed block is connected to the upper part of the screw thread block, the fixed block is arranged in the mounting groove, the fixed block and the positioning core are connected by a countersunk screw, one end of the screw extends into the groove and is connected to a driven bevel gear, a rotating shaft is rotatably arranged in the groove, a driving bevel gear is provided on the rotating shaft, the rotating shaft and the screw are perpendicular to each other, and the driving bevel gear and the driven bevel gear can engage with each other relative to each other.
[0008] Furthermore, a rotating head is connected to the upper end of the rotating shaft, and a cover plate is arranged on the mounting plate above the groove. The cover plate is fixed on the mounting plate by three countersunk screws, and a step hole is opened in the middle of the cover plate, and the rotating shaft is arranged through the step hole.
[0009] Furthermore, a rotating seat is provided at the bottom of the groove, and the lower end of the rotating shaft is rotatably disposed in the rotating seat.
[0010] Furthermore, a sliding groove is provided on the mounting plate, and the sliding groove and the screw groove are located in the same radial direction. A sliding block is slidably arranged in the sliding groove, and a fixed block 2 is connected to the upper part of the sliding block. A mounting groove 2 cooperating with the fixed block 2 is provided on the lower part of the side of the positioning core, and the fixed block 2 is arranged in the mounting groove 2. The fixed block 2 and the positioning core are connected by two countersunk screws.
[0011] The beneficial effects of the utility model are as follows: the tooling locates the installation position of the wheel hub so that the center of the wheel hub is eccentric to the machine tool spindle, the wheel hub can not rotate around the axis of the machine tool spindle, and only the part of the wheel hub with excessive thickness can be processed. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 A schematic diagram of the structure of a wheel hub eccentricity processing tool in this embodiment;
[0013] Figure 2 A cross-sectional view of the wheel hub eccentricity processing tooling in this embodiment;
[0014] Figure 3 for Figure 2 A magnified schematic diagram of center A.
[0015] Figure numerals: 1. mounting plate; 2. mounting hole; 3. positioning core; 4. positioning hole; 5. positioning groove; 6. screw groove; 7. screw; 8. screw thread block; 9. fixing block one; 10. countersunk screw one; 11. mounting groove one; 12. sliding groove; 13. sliding block; 14. limiting strip; 15. fixing block two; 16. countersunk screw two; 17. mounting groove two; 18. driven bevel gear; 19. cover plate; 20. rotating shaft; 21. driving bevel gear; 22. rotating seat; 23. groove; 24. rotating head; 25. step hole; 26. countersunk screw three. DETAILED DESCRIPTION
[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0017] As attached Figure 1 -Attached Figure 3As shown, a wheel hub eccentric processing tool comprises a mounting plate 1, a positioning core 3 is mounted on the mounting plate 1, the positioning core 3 and the mounting plate 1 are eccentrically arranged, a positioning hole 4 is provided in the middle of the positioning core 3, and a positioning groove 5 is provided on the positioning core 3 at the position of the side wall of the positioning hole 4. A plurality of mounting holes 2 are provided on the mounting plate 1, and the plurality of mounting holes 2 are evenly distributed. The mounting plate 1 is mounted on the main shaft of the machine tool through the mounting holes 2, and the mounting plate 1 is concentrically arranged with the main shaft of the machine tool. The wheel hub is centered by the positioning core 3, and then clamped and fixed by a fixture, and the thicker side of the wheel hub is installed in the eccentrically protruding direction. When the main shaft of the machine tool drives the mounting plate 1 to rotate, the wheel hub does not rotate around the axis of the main shaft, and the thicker side of the wheel hub can be contacted with the turning tool and processed, and the rest of the wheel hub will not contact with the turning tool. In this way, only the part with excessive thickness can be processed to ensure the uniform thickness of the entire wheel rim.
[0018] A groove 23 and a screw groove 6 are provided on one side of the mounting disk 1 close to the positioning core 3. The screw groove 6 is arranged along the radial direction of the mounting disk 1. A screw 7 is rotatably arranged in the screw groove 6, and a screw thread block 8 is arranged on the screw 7. A mounting groove 11 is provided at the lower part of the outer periphery of the positioning core 3. A fixing block 9 is connected to the upper part of the screw thread block 8. The fixing block 9 is arranged in the mounting groove 11. The fixing block 9 and the positioning core 3 are connected by a countersunk screw 10. One end of the screw 7 extends into the groove 23 and is connected to a driven bevel gear 18. A rotating shaft 20 is rotatably arranged in the groove 23, and an active bevel gear 21 is arranged on the rotating shaft 20. The rotating shaft 20 and the screw 7 are perpendicular to each other, and the active bevel gear 21 and the driven bevel gear 18 can mesh with each other. The rotating shaft 20 is rotated to drive the active bevel gear 21 to rotate, and the active bevel gear 21 then drives the meshing driven bevel gear 18 to rotate to drive the screw 7 to rotate, so that the screw thread block 8 moves on the screw 7. The screw thread block 8 drives the positioning core 3 to move through the fixed block 9 to adjust the eccentric distance between the positioning core 3 and the mounting plate 1. The eccentric distance between the hub center and the machine tool spindle center changes, and the processing amount of the thicker side of the hub can be adjusted to ensure that the thickness of the processed wheel rim is consistent with the rest.
[0019] The upper end of the rotating shaft 20 is connected to a rotating head 24, and the upper part of the rotating head 24 is slotted. The staff can insert a tool into the slot to drive the rotating head 24 to rotate, thereby facilitating the rotation of the rotating shaft 20. A cover plate 19 is provided at a position above the groove 23 on the mounting plate 1. The cover plate 19 is fixedly mounted on the mounting plate 1 by countersunk screws 26. The setting of the cover plate 19 plays a role in sealing the groove 23 to prevent impurities from entering the groove 23, thereby preventing impurities from affecting the transmission between the active bevel gear 21 and the driven bevel gear 18. A step hole 25 is provided in the middle position of the cover plate 19, and the rotating shaft 20 is arranged through the step hole 25. The step hole 25 is arranged so that the hole with a larger diameter is located above the hole with a smaller diameter, and the rotating shaft 20 passes through the hole with a smaller diameter in the step hole 25, and the rotating head 24 is located in the hole with a larger diameter in the step hole 25. A rotating seat 22 is provided at the bottom of the groove 23, and the lower end of the rotating shaft 20 is rotatably arranged in the rotating seat 22.
[0020] The mounting plate 1 is also provided with a sliding groove 12, which is located in the same radial direction as the screw groove 6, and is symmetrically arranged with the screw groove 6 taking the center of the mounting plate 1 as the center. A sliding block 13 is slidably arranged in the sliding groove 12, and a second fixing block 15 is connected to the upper part of the sliding block 13. A second mounting groove 17 matching with the second fixing block 15 is provided in the lower part of the side of the positioning core 3, and the second fixing block 15 is arranged in the second mounting groove 17. The second fixing block 15 and the positioning core 3 are connected by a second countersunk screw 16. The sliding block 13 slides along the sliding groove 12, thereby guiding the movement of the positioning core 3.
[0021] Limiting strips 14 are provided on the front and rear side walls of the sliding slot 12 . The limiting strips 14 are arranged along the length direction of the sliding slot 12 . The sliding block 13 is provided with a slot matched with the limiting strips 14 .
[0022] The above is only a preferred embodiment of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.
Claims
1. A wheel hub eccentricity processing tool, characterized in that: The invention comprises a mounting plate (1), a positioning core (3) being mounted on the mounting plate (1), the positioning core (3) and the mounting plate (1) being eccentrically arranged, a positioning hole (4) being provided in the middle of the positioning core (3), and a positioning groove (5) being provided on the positioning core (3) at a position on the side wall of the positioning hole (4).
2. A wheel hub eccentricity processing tool according to claim 1, characterized in that: The mounting plate (1) is provided with a plurality of mounting holes (2), and the plurality of mounting holes (2) are evenly distributed.
3. A wheel hub eccentricity processing tool according to claim 1, characterized in that: The mounting plate (1) is provided with a groove (23) and a screw groove (6) on one side close to the positioning core (3), a screw (7) is rotatably arranged in the screw groove (6), a screw thread block (8) is arranged on the screw (7), a mounting groove (11) is provided on the lower part of the outer periphery of the positioning core (3), a fixing block (9) is connected to the upper part of the screw thread block (8), the fixing block (9) is arranged in the mounting groove (11), and the fixing block (9) is arranged in the mounting groove (11). (9) and the positioning core (3) are connected by a countersunk screw (10); one end of the screw rod (7) extends into the groove (23) and is connected to a driven bevel gear (18); a rotating shaft (20) is rotatably arranged in the groove (23); a driving bevel gear (21) is arranged on the rotating shaft (20); the rotating shaft (20) and the screw rod (7) are perpendicular to each other; and the driving bevel gear (21) and the driven bevel gear (18) can mesh with each other.
4. A wheel hub eccentricity processing tool according to claim 3, characterized in that: The upper end of the rotating shaft (20) is connected to a rotating head (24); a cover plate (19) is provided on the mounting plate (1) at a position above the groove (23); the cover plate (19) is fixedly mounted on the mounting plate (1) by countersunk screws (26); a stepped hole (25) is provided in the middle of the cover plate (19); and the rotating shaft (20) is arranged through the stepped hole (25).
5. The wheel hub eccentricity processing tool according to claim 3, characterized in that: A rotating seat (22) is provided at the bottom of the groove (23), and the lower end of the rotating shaft (20) is rotatably disposed in the rotating seat (22).
6. A wheel hub eccentricity processing tool as claimed in claim 3, characterized in that: The mounting plate (1) is also provided with a sliding groove (12), the sliding groove (12) and the screw groove (6) are located in the same radial direction, a sliding block (13) is slidably arranged in the sliding groove (12), a second fixing block (15) is connected to the upper part of the sliding block (13), a second mounting groove (17) matching with the second fixing block (15) is provided at the lower part of the side surface of the positioning core (3), the second fixing block (15) is arranged in the second mounting groove (17), and the second fixing block (15) and the positioning core (3) are connected by two countersunk screws (16).