Clamping device for aluminum alloy wheel machining

Abstract

The utility model provides a clamping device for machining an aluminum alloy wheel. The clamping device comprises a base and a clamping device, the rotating table is rotatably mounted in the mounting hole, and the lower end of the rotating table extends into the storage cavity; a positioning assembly is detachably mounted at the top of the base; a plurality of positioning rods are fixedly arranged at the upper part; the multiple positioning rods are distributed in a circumferential array mode with the axis of the rotating table as the center. The multiple clamping units are arranged corresponding to the multiple communicating grooves; the transmission plate is pulled to move through rotation of the rotating table, and then the chucks on the transmission plate are driven to be close to or away from the axis direction of the base, so that clamping and loosening actions are achieved. An innovative clamping structure is adopted, a traditional three-jaw chuck design is abandoned, clamping force is guaranteed, and meanwhile faster clamping and loosening operation is achieved; the efficient transmission mechanism is adopted as the transmission system, and different from traditional screw transmission, the transmission system can complete clamping and loosening movement of the clamping structure within a shorter time, and the clamping work efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of wheel processing, in particular to a clamping device for processing aluminum alloy wheels. Background Art

[0002] In the field of aluminum alloy wheel processing, the traditional clamping device usually uses a three-jaw chuck for clamping. In this structure, the three-jaw chuck is driven by a screw to achieve the clamping and loosening of the wheel hub. However, this traditional clamping device has some defects, mainly manifested in the slow clamping and loosening speed, which affects the production efficiency: the movement of the screw drive mechanism is relatively slow, especially in the case of large-scale production, this limitation becomes more obvious. Slow operation speed may cause the production line to stagnate, affecting the efficiency of the entire production process, and thus increasing production costs. Utility Model Content

[0003] In view of the above-mentioned technical deficiencies, the purpose of the utility model is to provide a clamping device for processing aluminum alloy wheels, so as to improve production efficiency and reduce production costs.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A clamping device for processing aluminum alloy wheels, comprising:

[0006] The base has a storage cavity inside, a mounting hole connected to the storage cavity on the top, and a plurality of connecting grooves connected to the mounting hole on the upper side, wherein the plurality of connecting grooves are distributed in a circular array with the axis of the mounting hole as the center; a limit rod is fixedly arranged in the connecting groove;

[0007] The rotating table is rotatably installed in the installation hole, and the lower end extends into the storage cavity; a positioning assembly is detachably installed on the top; a plurality of positioning rods are fixedly arranged on the upper part; the plurality of positioning rods are distributed in a circular array with the axis of the rotating table as the center;

[0008] The clamping unit is configured with multiple units corresponding to the multiple communicating grooves; it includes a transmission plate, a support rod and a clamp; the transmission plate is movably placed in the communicating groove, one end of which extends into the mounting hole, and the other end extends to the outside of the base; a positioning hole adapted to the positioning rod is provided on the transmission plate; the transmission plate is rotatably mounted on the positioning rod through the positioning hole; a limiting groove adapted to the limiting rod is provided at the lower part of the transmission plate, and the limiting rod is slidably placed in the limiting groove; the support rod is fixed to one end of the transmission plate away from the positioning rod; the clamp is rotatably mounted on the support rod;

[0009] The driving unit comprises a driving motor, a gear and a gear ring; the driving motor is placed in the storage cavity and fixedly connected to the base; the gear is installed on the output shaft of the driving motor; the gear ring is installed at the lower part of the rotating platform and meshes with the gear for transmission.

[0010] Preferably, the positioning assembly includes a positioning seat, a column and a positioning column; a mounting groove is provided in the top center of the rotating table, and the positioning seat is detachably snapped into the mounting groove; the column is rotatably installed on the positioning seat; a socket adapted to the column is provided at the bottom of the positioning column, and the column is plugged into the socket.

[0011] Preferably, a plurality of rubber strips are fixedly disposed on the outside of the positioning column; the rubber strips are disposed parallel to the axis direction of the positioning column; and the plurality of rubber strips are distributed on the positioning column in a circular array with the axis of the positioning column as the center.

[0012] Preferably, a bearing seat is fixedly provided at the bottom of the chuck; and the top of the support rod is installed in the bearing seat.

[0013] Preferably, a hub annular fixing groove is provided on the side surface of the chuck.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] The transmission plate is pulled to move by the rotation of the rotating table, which in turn drives the chuck on the transmission plate to move closer to or away from the axial direction of the base to achieve clamping and loosening actions; an innovative clamping structure is adopted, abandoning the traditional three-jaw chuck design, ensuring the clamping force while achieving faster clamping and loosening operations; the transmission system adopts an efficient transmission mechanism, which is different from the traditional screw transmission. This transmission system can complete the clamping and loosening movements of the clamping structure in a shorter time, thereby improving the clamping work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the use state of the utility model;

[0017] Figure 2 It is a structural schematic diagram of the utility model;

[0018] Figure 3 It is a schematic diagram of the internal structure of the utility model;

[0019] Figure 4 It is a schematic diagram of the structural disassembly of the utility model;

[0020] Figure 5 It is a schematic diagram of the internal structure of the base in the utility model;

[0021] Figure 6 It is a schematic diagram of the connection state of the rotating table and the positioning assembly in the utility model;

[0022] Figure 7 It is a schematic diagram of the structural disassembly of the rotating table and the positioning assembly in the utility model;

[0023] Figure 8 It is a structural schematic diagram of the positioning column in the utility model.

[0024] in:

[0025] 1. Wheel; 2. Chuck; 3. Base; 4. Positioning column; 5. Connecting groove; 6. Rotating table; 7. Transmission plate; 8. Mounting hole; 9. Support rod; 10. Storage cavity; 11. Gear ring; 12. Drive motor; 13. Gear; 14. Annular step; 15. Positioning seat; 16. Column; 17. Limit rod; 18. Rubber strip; 19. Positioning rod; 20. Socket. DETAILED DESCRIPTION

[0026] The utility model will be further described below in conjunction with the accompanying drawings.

[0027] like Figures 1 to 8 As shown, a clamping device for processing aluminum alloy wheels comprises:

[0028] The base 3 is provided with a storage cavity 10 inside, and a mounting hole 8 connected to the storage cavity 10 is provided on the top, and the axis of the mounting hole 8 coincides with the axis of the base 3; a plurality of connecting grooves 5 connected to the mounting hole 8 are provided on the upper side of the base 3, and the plurality of connecting grooves 5 are distributed in a circular array with the axis of the mounting hole 8 as the center; a limit rod 17 is fixedly provided in the connecting groove 5; during use, the aluminum alloy wheel 1 is horizontally placed on the upper end surface of the base 3;

[0029] The rotating table 6 is rotatably installed in the mounting hole 8, and the lower end extends into the storage cavity 10, and the axis of the rotating table 6 coincides with the axis of the mounting hole 8; a bearing is sleeved on the rotating table 6, and the rotating table 6 is installed in the mounting hole 8 of the base 3 through the bearing; a positioning component is detachably installed on the top, and the positioning component is used to be inserted into the circular hole in the center of the aluminum alloy wheel 1 to position the aluminum alloy wheel 1 and ensure that the aluminum alloy wheel 1 is placed in the center of the base 3; an annular step 14 is provided on the upper part of the rotating table 6, and a plurality of positioning rods 19 are fixedly provided on the upper part of the annular step 14; the plurality of positioning rods 19 are distributed in a circular array with the axis of the rotating table 6 as the center;

[0030] The clamping unit is configured with multiple, corresponding to multiple connecting grooves 5, for clamping the wheel 1; it includes a transmission plate 7, a support rod 9 and a clamp 2; the transmission plate 7 is movably placed in the connecting groove 5, one end of which extends into the mounting hole 8, and the other end extends to the outside of the base 3; a positioning hole adapted to the positioning rod 19 is provided on the transmission plate 7; the transmission plate 7 is rotatably mounted on the positioning rod 19 through the positioning hole; a limiting groove adapted to the limiting rod 17 is provided at the lower part of the transmission plate 7, and the limiting rod 17 is slidably placed in the limiting groove; when the rotation When the turntable 6 rotates, it pulls the transmission plate 7 to move together. Under the guidance of the limiting rod 17 and the limiting groove, the end of the transmission plate 7 extending from the base 3 telescopes toward the outer side or the axial direction of the base 3; the support rod 9 is fixed to the end of the transmission plate 7 away from the positioning rod 19; the chuck 2 is rotatably installed on the support rod 9; through the telescopic movement of the transmission plate 7, the chuck 2 is driven to move toward the axial direction of the base 3, and multiple chucks 2 move synchronously to clamp the wheel 1, and the chuck 2 moves toward the outer side of the base 3 to release the wheel 1;

[0031] The driving unit includes a driving motor 12, a gear 13 and a ring gear 11; the driving motor 12 is placed in the storage cavity 10 and fixedly connected to the base 3; the gear 13 is installed on the output shaft of the driving motor 12; the ring gear 11 is installed at the lower part of the rotating table 6 and meshes with the gear 13 for transmission. After the driving motor 12 is started, the rotating table 6 is driven to rotate through the meshing transmission of the gear 13 and the ring gear 11, and then the chuck 2 is driven to move through the transmission plate 7 to realize the clamping and loosening actions.

[0032] Furthermore, the positioning assembly includes a positioning seat 15, a column 16 and a positioning column 4; a mounting groove is provided at the top center of the rotating table 6, and the positioning seat 15 is detachably connected to the mounting groove; the column 16 is rotatably installed on the positioning seat 15; a socket 20 adapted to the column 16 is provided at the bottom of the positioning column 4, and the column 16 is plugged into the socket 20; the positioning column 4 can be pulled out from the column 16, and the positioning column 4 of corresponding size can be replaced according to different wheels 1, so that the outer side surface of the positioning column 4 can correspond to the size of the circular hole in the center of the wheel 1, so that the axis of the wheel 1 coincides with the axis of the rotating table 6 and the base 3.

[0033] Furthermore, a plurality of rubber strips 18 are fixedly arranged on the outside of the positioning column 4; the rubber strips 18 are arranged parallel to the axial direction of the positioning column 4; the plurality of rubber strips 18 are distributed in a circular array on the positioning column 4 with the axis of the positioning column 4 as the center; the rubber strips 18 are in frictional contact with the circular hole in the center of the wheel 1, and the rubber strips 18 have a certain elasticity, which ensures that the wheel 1 is firmly fixed while preventing the wheel 1 from being scratched.

[0034] Furthermore, a bearing seat is fixedly provided at the bottom of the chuck 2; the top of the support rod 9 is installed in the bearing seat, so that the chuck 2 can rotate on the support rod 9, so that the rigid friction between the chuck 2 and the wheel 1 can be reduced by rotating the chuck 2 during the process from just contacting the wheel 1 to clamping.

[0035] Furthermore, a wheel hub annular fixing groove is provided on the side of the clamp 2 , and the contour curve of the fixing groove is matched with the outer contour curve of the wheel 1 , so as to clamp and fix the wheel 1 .

[0036] When in use, the corresponding positioning column 4 is selected according to the specifications of the aluminum alloy wheel 1 and installed on the column 16, the circular hole in the center of the wheel 1 is aligned with the positioning column 4, and the wheel 1 is placed on the base 3, the driving motor 12 is started, driving the rotating table 6 to rotate, and the chuck 2 is pulled toward the axial direction of the rotating table 6 through the transmission plate 7. Multiple chucks 2 clamp the wheel 1 and clamp the wheel 1 to the base 3; the driving motor 12 rotates in the opposite direction to make the chuck 2 loosen the wheel 1, so that the wheel 1 can be taken down.

Claims

1. A clamping device for processing aluminum alloy wheels, characterized in that: include: A base (3) is provided with a storage cavity (10) inside, a mounting hole (8) communicating with the storage cavity (10) is provided on the top, and a plurality of connecting grooves (5) communicating with the mounting hole (8) are provided on the upper side surface, wherein the plurality of connecting grooves (5) are distributed in a circular array with the axis of the mounting hole (8) as the center; and a limiting rod (17) is fixedly provided in the connecting groove (5); The rotating table (6) is rotatably mounted in the mounting hole (8), and the lower end extends into the storage cavity (10); a positioning assembly is detachably mounted on the top; a plurality of positioning rods (19) are fixedly arranged on the upper part; the plurality of positioning rods (19) are distributed in a circular array with the axis of the rotating table (6) as the center; The clamping unit is provided with a plurality of units, which are arranged corresponding to the plurality of connecting grooves (5); the clamping unit comprises a transmission plate (7), a support rod (9) and a clamp (2); the transmission plate (7) is movably arranged in the connecting groove (5), one end of which extends into the mounting hole (8) and the other end of which extends to the outside of the base (3); a positioning hole matched with the positioning rod (19) is arranged on the transmission plate (7); the transmission plate (7) is rotatably mounted on the positioning rod (19) through the positioning hole; a limiting groove matched with the limiting rod (17) is arranged at the lower part of the transmission plate (7), and the limiting rod (17) is slidably arranged in the limiting groove; the support rod (9) is fixed on one end of the transmission plate (7) away from the positioning rod (19); the clamp (2) is rotatably mounted on the support rod (9); The driving unit comprises a driving motor (12), a gear (13) and a ring gear (11); the driving motor (12) is placed in the storage cavity (10) and is fixedly connected to the base (3); the gear (13) is installed on the output shaft of the driving motor (12); and the ring gear (11) is installed at the bottom of the rotating platform (6) and meshes with the gear (13) for transmission.

2. The clamping device for processing aluminum alloy wheels according to claim 1, characterized in that: The positioning assembly comprises a positioning seat (15), a column (16) and a positioning column (4); a mounting groove is arranged at the center of the top of the rotating platform (6), and the positioning seat (15) is detachably snap-fitted into the mounting groove; the column (16) is rotatably mounted on the positioning seat (15); a socket (20) adapted to the column (16) is arranged at the bottom of the positioning column (4), and the column (16) is plugged into the socket (20).

3. The clamping device for processing aluminum alloy wheels according to claim 2, characterized in that: A plurality of rubber strips (18) are fixedly arranged on the outside of the positioning column (4); the rubber strips (18) are arranged parallel to the axis direction of the positioning column (4); and the plurality of rubber strips (18) are distributed on the positioning column (4) in a circular array with the axis of the positioning column (4) as the center.

4. The clamping device for processing aluminum alloy wheels according to claim 1, characterized in that: A bearing seat is fixedly arranged at the bottom of the chuck (2); and the top of the support rod (9) is installed in the bearing seat.

5. The clamping device for processing aluminum alloy wheels according to claim 4, characterized in that: A hub annular fixing groove is provided on the side surface of the clamp (2).

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