A positioning device for hub machining

Abstract

The utility model relates to positioning frock technical field, especially disclose a kind of positioning device for wheel hub processing, including support platform, and support platform is equipped with positioning column, and the axial both sides of positioning column are equipped with symmetrical clamping seat, and clamping seat is equipped with first fixed seat and lifting cylinder, and first fixed seat is rotatably installed with guide block, and guide block is located in the side close to positioning column, and the piston rod of lifting cylinder is equipped with lifting block, and lifting block is hinged with clamping block, and clamping block is hinged with guide block, and the clamping block on the side close to positioning column is equipped with clamping part.The utility model avoids the relative rotation in wheel hub processing process, improves the stability of support and fixation in wheel hub processing process, guarantees the accuracy of wheel hub processing, and increases the qualified rate of wheel hub processing.

Description

Technical Field

[0001] This utility model relates to the field of positioning tooling technology, and in particular to a positioning device for wheel hub processing. Background Technology

[0002] Wheel hubs are an important component of movable machinery. During their manufacturing process, multiple bolt holes on the wheel hub generally require secondary processing, such as enlarging the holes or deburring. When processing the wheel hub, it is necessary to position and fix it.

[0003] Existing technology discloses a wheel hub machining positioning fixture with application number 201921613954.4. The disclosed technical solution includes a worktable, a rotating disk on the top of the worktable, and a rotary motor at the bottom of the worktable. The output end of the rotary motor passes through the worktable and connects to the center of the bottom of the rotating disk. The rotating disk has at least three radially distributed T-shaped grooves. A tensioning plate is slidably installed in each T-shaped groove via a T-shaped slider. A guide plate is provided on the top of each tensioning plate. A top column is provided at the center of the top of the rotating disk. Each tensioning plate is connected to the top column via a compression spring. Multiple evenly distributed slots are also formed on the worktable below the rotating disk. A support roller is rotatably installed in each slot via a rotating shaft. However, this technical solution relies heavily on compression springs for positioning and fixing the wheel hub. During wheel hub machining, relative sliding easily occurs between the wheel hub and the tensioning plate, resulting in low stability of the wheel hub and reduced machining accuracy.

[0004] Therefore, it is necessary to propose an improvement to overcome the shortcomings of the existing technology. Summary of the Invention

[0005] The purpose of this invention is to solve the problems in the prior art by providing a positioning device for wheel hub processing, thereby addressing the issues of low stability and reduced accuracy in wheel hub processing caused by existing positioning fixtures.

[0006] The technical solution of this utility model is:

[0007] A positioning device for wheel hub processing includes a support platform with a positioning column on the support platform. Symmetrical clamping seats are provided on both axial sides of the positioning column. A first fixed seat and a lifting cylinder are provided on the clamping seats. A guide block is rotatably mounted on the first fixed seat and is located on the side close to the positioning column. A lifting block is provided on the piston rod of the lifting cylinder. A clamping block is hinged to the lifting block and is hinged to the guide block. A clamping part is provided on the clamping block near the positioning column.

[0008] As a preferred technical solution, the positioning column is provided with symmetrical support seats on both sides of the axial direction. Both support seats are provided on the support platform. The two support seats and the two clamping seats are staggered with the positioning column as the center. The angle between adjacent support seats and clamping seats is a right angle. The heights of the support seats and clamping seats correspond.

[0009] As a preferred technical solution, the support platform is provided with two symmetrical guide grooves, and the lower end of the support platform is provided with two symmetrical second fixed seats. A bidirectional screw is rotatably installed between the two second fixed seats. Both sides of the bidirectional screw are threadedly connected with threaded blocks. The two threaded blocks are slidably installed in the two guide grooves respectively. The two threaded blocks are respectively connected to the two support seats. The lower end of the support platform is provided with an electric motor, and the output end of the electric motor is connected to the bidirectional screw.

[0010] As a preferred technical solution, the upper end of the support base is provided with a positioning protrusion, which is located on the side close to the positioning post.

[0011] As a preferred technical solution, the first fixed seat is provided with a hinge seat, and the guide block is hinged to the hinge seat.

[0012] As a preferred technical solution, the lower edge of the clamping block near the positioning post is provided with a chamfer.

[0013] As a preferred technical solution, the support platform is provided with a plurality of positioning holes evenly distributed, and the positioning holes are arranged sequentially from the positioning column to both sides of the support platform. The bottom of the clamping seat is provided with bolt holes, and the bolt holes are positioned corresponding to the positioning holes.

[0014] As a preferred technical solution, the positioning column is located at the center of the support platform.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] This utility model discloses a positioning device for wheel hub processing. It includes a support platform on which a positioning column and a clamping seat are mounted. The positioning column supports and positions the wheel hub. The clamping seat is equipped with a clamping block and a lifting cylinder. The extension and retraction of the lifting cylinder drives the rotation of the clamping block, which is used to clamp and fix the wheel hub after placement. The structure is stable, preventing relative rotation during wheel hub processing, improving the stability of support and fixation during processing, ensuring the accuracy of wheel hub processing, and increasing the pass rate of wheel hub processing. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the first embodiment of the positioning device for wheel hub processing according to the present invention;

[0018] Figure 2 This is a schematic diagram of the internal structure of the clamping base of this utility model;

[0019] Figure 3 This is a schematic diagram of the second embodiment of the positioning device for wheel hub processing according to the present invention;

[0020] Figure 4 This is a schematic diagram of the support base installation according to the second embodiment of the present invention;

[0021] Figure 5 This is a schematic diagram of the positioning and clamping state of the wheel hub of this utility model.

[0022] The components include: 1. Support platform; 2. Positioning column; 3. Support seat; 4. Clamping seat; 5. Clamping block; 6. Guide block; 7. Hinge seat; 8. First fixed seat; 9. Lifting block; 10. Lifting cylinder; 11. Guide groove; 12. Positioning hole; 13. Positioning protrusion; 14. Second fixed seat; 15. Threaded block; 16. Bidirectional screw; and 17. Electric motor. Detailed Implementation

[0023] To make the technical means, technical features, utility model purpose and technical effects of this utility model easier to understand, the present utility model will be further described below with reference to specific illustrations.

[0024] Example 1:

[0025] like Figure 1 The diagram shown is a structural schematic of the first embodiment of the positioning device for wheel hub processing according to this utility model.

[0026] The positioning device for wheel hub processing in this embodiment includes a support platform 1. A positioning column 2 is fixed at the center of the support platform 1. The upper end of the positioning column 2 is provided with a tapered support surface and a horizontal support surface for supporting and positioning the wheel hub. Two symmetrical support seats 3 and two symmetrical clamping seats 4 are fixed on both sides of the positioning column 2 along its axial direction. The two support seats 3 and two clamping seats 4 are installed alternately around the positioning column 2, with the angle between adjacent support seats 3 and clamping seats 4 being a right angle. The heights of the support seats 3 and clamping seats 4 correspond for supporting and clamping the wheel hub.

[0027] like Figure 2 The diagram shown is a schematic representation of the internal structure of the clamping base of this utility model.

[0028] The clamping seat 4 shown contains a lifting cylinder 10 and a first fixed seat 8. The lifting cylinder 10 is fixed to the lower end face of the clamping seat 4, and the piston rod of the lifting cylinder 10 extends upward. A lifting block 9 is fixed to the upper end of the piston rod of the lifting cylinder 10, and a clamping block 5 is hinged to the lifting block 9. A hinge seat 7 is fixed to the first fixed seat 8, and the hinge seat 7 is fixed to the side near the positioning post 2. A guide block 6 is hinged between the hinge seat 7 and the clamping block 5, and the guide block 6 is hinged to the middle of the clamping block 5. The side of the clamping block 5 near the positioning post 2 is set as a clamping part for clamping and fixing the wheel hub, ensuring the installation stability during the wheel hub processing. The lower edge of the clamping block 5 near the positioning post 2 is provided with a chamfer, which ensures better contact between the clamping block 5 and the inclined surface of the wheel hub, increasing the firmness of the wheel hub clamping and fixing.

[0029] Example 2:

[0030] like Figure 3 The diagram shown is a structural schematic of the second embodiment of the positioning device for wheel hub processing according to this utility model.

[0031] The support platform 1 shown has a positioning post 2 as the center. Symmetrical guide grooves 11 and positioning holes 12 are opened on both sides of the positioning post 2. The guide grooves 11 correspond to the positions of the support seats 3, and the positioning holes 12 correspond to the positions of the clamping seats 4. The bottom of the clamping seat 4 has a threaded hole. The clamping seat 4 is fixed in the threaded hole by bolts passing through the positioning hole, so as to realize the installation and fixation of the clamping seat 4. The support seats 3 on both sides of the positioning post 2 slide along the guide grooves 11 to adjust the distance between the support seats 3. Among them, multiple positioning holes 12 are evenly arranged in sequence along the axial direction of the positioning post 2 and the clamping seat 4. The distance between the two clamping seats 4 is adjusted by adjusting the position of the two clamping seats 4 fixed in the positioning holes 12, which is used for positioning and fixing wheel hubs of different specifications and models.

[0032] like Figure 4 The diagram shown is a schematic diagram of the installation structure of the support base 3 of this utility model.

[0033] With the positioning post 2 as the center at the lower end of the support platform 1, second fixing seats 14 are symmetrically fixed on both sides of the positioning post 2. A bidirectional screw 16 is rotatably installed between the two second fixing seats 14. Threaded blocks 15 are threaded to both sides of the bidirectional screw 16. The two threaded blocks 15 pass through the guide groove 11 and are fixedly connected to the two support seats 3 on both sides of the positioning post 2, respectively. An electric motor 17 is fixed at the lower end of the support platform 1. The output end of the electric motor 17 passes through the second fixing seat 14 and is fixedly connected to the bidirectional screw 16. The two support seats 3 are driven by the electric motor 17 and slide in opposite directions along the guide groove 11.

[0034] The upper end of the support base 3 is provided with a positioning protrusion 13. The positioning protrusion 13 is located on the side close to the positioning post 2. The protruding positioning protrusion 13 plays a better positioning role for the wheel hub. After the wheel hub is placed on the support base 3, the side of the positioning protrusion 13 is stuck on the inner side of the wheel hub edge, which plays an auxiliary role in positioning the wheel hub.

[0035] Working principle:

[0036] like Figure 5 The diagram shown is a schematic of the hub positioning and clamping state of this utility model.

[0037] First, based on the size of the wheel hub, determine the appropriate distance between the two clamping seats 4 and the two supporting seats 3. Then, adjust the fixed positions of the clamping seats 4 and the supporting seats 3. After the wheel hub is placed on the supporting seats 3 and the clamping seats 4, the wheel hub is quickly positioned and installed through the positioning pin 2 and the positioning protrusion 13. Start the lifting cylinder 10, which drives the clamping block 5 to rotate. The clamping part of the clamping block 5 rotates towards the upper side of the wheel hub. As the piston rod of the lifting cylinder 10 extends, the clamping block 5 rotates to the set position, realizing the positioning, installation, and clamping of the wheel hub, ensuring the efficiency and accuracy of the wheel hub processing.

[0038] The above description is merely a preferred embodiment of this utility model and is not intended to limit the scope of this utility model. All equivalent changes and modifications made in accordance with the scope of the claims of this utility model should fall within the technical scope of this utility model.

Claims

1. A positioning device for wheel hub processing, comprising a support platform (1), characterized in that, The support platform (1) is provided with a positioning column (2). On both sides of the positioning column (2) are symmetrical clamping seats (4). The clamping seats (4) are provided with a first fixed seat (8) and a lifting cylinder (10). A guide block (6) is rotatably installed on the first fixed seat (8). The guide block (6) is located on the side close to the positioning column (2). The piston rod of the lifting cylinder (10) is provided with a lifting block (9). A clamping block (5) is hinged on the lifting block (9). The clamping block (5) is hinged to the guide block (6). The clamping block (5) on the side close to the positioning column (2) is provided with a clamping part.

2. The positioning device for wheel hub processing according to claim 1, characterized in that, The positioning column (2) has symmetrical support seats (3) on both sides of its axial direction. Both support seats (3) are located on the support platform (1). The two support seats (3) and the two clamping seats (4) are staggered with the positioning column (2) as the center. The angle between adjacent support seats (3) and clamping seats (4) is a right angle. The heights of the support seats (3) and clamping seats (4) are corresponding.

3. The positioning device for wheel hub processing according to claim 2, characterized in that, The support platform (1) has two symmetrical guide grooves (11). The lower end of the support platform (1) has two symmetrical second fixed seats (14). A bidirectional screw (16) is rotatably installed between the two second fixed seats (14). Threaded blocks (15) are threaded to both sides of the bidirectional screw (16). The two threaded blocks (15) are slidably installed in the two guide grooves (11) respectively. The two threaded blocks (15) are connected to the two support seats (3) respectively. An electric motor (17) is provided at the lower end of the support platform (1). The output end of the electric motor (17) is connected to the bidirectional screw (16).

4. The positioning device for wheel hub processing according to claim 2, characterized in that, The upper end of the support base (3) is provided with a positioning protrusion (13), which is located on the side close to the positioning post (2).

5. The positioning device for wheel hub processing according to claim 1, characterized in that, The first fixed seat (8) is provided with a hinge seat (7), and the guide block (6) is hinged to the hinge seat (7).

6. The positioning device for wheel hub processing according to claim 1, characterized in that, The clamping block (5) has a chamfered edge at the lower edge of the side near the positioning post (2).

7. The positioning device for wheel hub processing according to claim 1, characterized in that, The support platform (1) is provided with a plurality of positioning holes (12) evenly distributed. The positioning holes (12) are arranged sequentially from the positioning column (2) to the two sides of the support platform (1). The bottom of the clamping seat (4) is provided with bolt holes, which correspond to the positions of the positioning holes (12).

8. The positioning device for wheel hub processing according to claim 1, characterized in that, The positioning column (2) is located at the center of the support platform (1).

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