Special machine tool for trimming circular bead of outer rim of wheel hub

Abstract

The utility model discloses a special machine tool for trimming a round corner of an outer rim of a wheel hub, which comprises a device main body, an air cylinder is arranged on the device main body, a grinding head is arranged at the front end of the air cylinder, an adjusting component for adjusting the working position of the grinding head is arranged between the grinding head and the air cylinder, and a positive and negative rotation motor is further arranged on the device main body. A supporting base is fixed to the upper end of the forward and reverse rotation motor, driving motors are installed at the two ends of the supporting base, limiting chucks are fixed to the upper ends of the driving motors, fixing supporting columns and limiting rods are arranged on the limiting chucks, and wheel hubs are connected to the fixing supporting columns and the limiting rods in a limiting mode. The machine tool is provided with the fixing supporting columns and the limiting rods, the wheel hub can be erected in a suspended mode and fixed from the interior, and therefore the edges of the two sides of the wheel hub can be exposed, fillet finishing work can be conveniently conducted on the edges of the two sides of the wheel hub at the same time, and wheel hub machining work can be rapidly completed.

Description

TECHNICAL FIELD

[0001] The utility model relates to wheel hub finishing technical field, concretely is the special machine tool of wheel hub outer wheel rim fillet finishing. BACKGROUND

[0002] If the wheel hub outer wheel rim has been deformed in the wheel hub production and processing process, the fillet finishing work needs to be carried out, in addition, because the wheel hub outer wheel rim die casting production can exist angle, if direct use, very easy to damage the tire. At present, the machine tool used for the wheel hub outer wheel rim finishing, usually one side of the wheel hub is fixed, then the other side is subjected to the wheel rim fillet finishing work, this kind of mode needs to change sides to complete the finishing work of a wheel hub, and also cannot effectively adapt to the applicability adjustment of different sizes of wheel hub, greatly influence the wheel hub processing efficiency. UTILITY MODEL CONTENTS

[0003] The utility model discloses a wheel hub outer wheel rim fillet finishing special machine tool to solve the problem of the machining efficiency of the machine tool used for the wheel hub outer wheel rim finishing in the prior art.

[0004] To achieve the above object, the utility model provides the following technical scheme: a wheel hub outer wheel rim fillet finishing special machine tool, including device main part, install the cylinder on device main part, the front end of cylinder is provided with grinding head, set up the adjusting assembly for adjusting the working position of grinding head between grinding head and cylinder, still set up forward and reverse motor on device main part, the upper end of forward and reverse motor is fixed with support seat, install drive motor on both ends of support seat, the upper end of drive motor is fixed with limit chuck, set up fixed support column and limit rod on limit chuck, limit connection has wheel hub on fixed support column and limit rod, the length of fixed support column and limit rod is all greater than the width of wheel hub.

[0005] Preferably, the adjusting assembly includes a movable frame and a connecting rod, the movable frame is fixed at the front end of the cylinder, a groove is formed in the movable frame, one end of the connecting rod is connected in the groove of the movable frame through a first fixed bolt, and the other end of the connecting rod is provided with the grinding head through a second fixed bolt.

[0006] Preferably, the connecting rod is in an up-and-down movable structure on the movable frame, and the connecting rod and the grinding head are detachably connected.

[0007] Preferably, a sliding groove is formed in the limit chuck, a sliding seat is installed in the sliding groove, a threaded disc is connected to the lower side of the sliding seat, the threaded disc is located in the limit chuck, a rotating seat is fixedly connected to the lower side of the threaded disc, a connecting sleeve is fixed to the lower side of the limit chuck, the rotating seat and the connecting sleeve are connected through a bearing, and a rotating handle is fixed to the outer side of the rotating seat.

[0008] Preferably, the threaded disc constitutes a rotating structure inside the limiting chuck through the rotating base, and the sliding base constitutes a moving structure inside the sliding groove through the rotation of the threaded disc.

[0009] Preferably, the sliding base is provided with a clamping groove, the lower end of the limiting rod is fixedly provided with a clamping block, the clamping block is matched with the size of the clamping groove on the sliding base, and the limiting rod is detachably connected with the sliding base through the clamping block.

[0010] Preferably, the upper end of the fixed support is fixedly provided with a first rubber pad, and the outer side of the limiting rod is fixedly provided with a second rubber pad.

[0011] Compared with the prior art, the machine tool has the beneficial effects that:

[0012] (1) The machine tool is provided with a fixed support and a limiting rod, can suspend and support the wheel hub, and fix the wheel hub from the inside, so that the two side edges of the wheel hub can be exposed to facilitate the chamfering work on the two side edges of the wheel hub, and the wheel hub machining work can be quickly completed;

[0013] (2) The machine tool is provided with an adjusting assembly capable of adjusting the working position of the grinding head, can quickly complete the positioning of the grinding head and the outer rim of the wheel hub, improve the working efficiency of the machine tool, and also make the grinding head applicable to wheel hubs of different sizes by changing the position, increase the applicability of the machine tool;

[0014] (3) The machine tool is provided with two limiting chucks which can be converted in position, so that the wheel hub can be alternately machined, ensure the working continuity of the machine tool, and effectively improve the wheel hub machining efficiency of the machine tool. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a schematic view of the three-dimensional structure of the utility model;

[0016] Figure 2 is a schematic view of the sectional structure of the movable frame;

[0017] Figure 3 is a schematic view of the structure of the limiting chuck;

[0018] Figure 4 is a schematic view of the sectional structure of the limiting chuck;

[0019] Figure 5 is a schematic view of the structure of the limiting rod.

[0020] In the figure: 1, device main body; 2, cylinder; 3, movable frame; 4, connecting rod; 5, grinding head; 6, forward and reverse motor; 7, support seat; 8, limit chuck; 9, rotating handle; 10, wheel hub; 11, first fixed bolt; 12, second fixed bolt; 13, first rubber pad; 14, fixed support; 15, limit rod; 16, second rubber pad; 17, sliding groove; 18, sliding seat; 19, connecting sleeve; 20, rotating seat; 21, driving motor; 22, bearing; 23, clamping block; 24, threaded disc. DETAILED DESCRIPTION

[0021] Please refer to Figures 1-5 The utility model provides technical scheme: wheel hub outer wheel rim fillet finishing special machine tool, including device main body 1, device main body 1 is installed with cylinder 2, the front end of cylinder 2 is provided with grinding head 5, and the adjusting assembly for adjusting the working position of grinding head 5 is arranged between grinding head 5 and cylinder 2.

[0022] Further, the adjusting assembly includes movable frame 3 and connecting rod 4, movable frame 3 is fixed at the front end of cylinder 2, movable frame 3 position movement is realized through cylinder 2, recess is opened in movable frame 3, one end of connecting rod 4 is connected in the recess on movable frame 3 through first fixed bolt 11, both can make connecting rod 4 on movable frame 3 State stable, also facilitate the disassembly of connecting rod 4, the other end of connecting rod 4 is installed with grinding head 5 through second fixed bolt 12, guarantees the working state stability of grinding head 5.

[0023] Further, connecting rod 4 is in up-and-down movable structure on movable frame 3, can change the working position of connecting rod 4, make the machine tool suitable for different sizes wheel hub, connecting rod 4 and grinding head 5 are detachably connected, facilitate the replacement of grinding head 5.

[0024] Device main body 1 is also provided with forward and reverse motor 6, and the upper end of forward and reverse motor 6 is fixed with support seat 7. The two ends of support seat 7 are provided with driving motor 21. The upper end of driving motor 21 is fixed with limit chuck 8. Limit chuck 8 is provided with fixed support 14 and limit rod 15. Wheel hub 10 is limitingly connected to fixed support 14 and limit rod 15. The lengths of fixed support 14 and limit rod 15 are greater than the width of wheel hub 10. Wheel hub 10 can be suspended to expose the outer wheel rims on the upper and lower sides, so as to facilitate the fillet finishing work on the upper and lower sides at the same time and improve the machining efficiency of the machine tool.

[0025] The sliding groove 17 is arranged on the limiting chuck 8, the sliding seat 18 is arranged in the sliding groove 17, the threaded disc 24 is connected to the lower side of the sliding seat 18, the threaded groove is arranged on the threaded disc 24, the teeth are arranged on the lower side of the sliding seat 18 and matched with the threaded groove on the threaded disc 24, so that the rotation of the threaded disc 24 can drive the sliding seat 18 to move in the sliding groove 17, the threaded disc 24 is arranged in the limiting chuck 8, the rotating seat 20 is fixedly connected to the lower side of the threaded disc 24, the connecting sleeve 19 is fixedly arranged on the lower side of the limiting chuck 8, the rotating seat 20 is connected to the connecting sleeve 19 through the bearing 22, the rotating handle 9 is fixedly arranged on the outer side of the rotating seat 20, so that the rotation of the threaded disc 24 can be controlled through the rotating handle 9, and then the position of the sliding seat 18 is controlled to move.

[0026] The threaded disc 24 constitutes a rotating structure in the limiting chuck 8 through the rotating seat 20, so that the stable rotating working state of the threaded disc 24 is ensured, the sliding seat 18 constitutes a moving structure in the sliding groove 17 through the rotation of the threaded disc 24, so that the working position of the sliding seat 18 is changed, and then the subsequent limiting and fixing of the wheel hub 10 are facilitated.

[0027] The sliding seat 18 is provided with the clamping groove, the clamping block 23 is fixedly arranged on the lower end of the limiting rod 15, the size of the clamping block 23 is matched with the size of the clamping groove on the sliding seat 18, and the limiting rod 15 is detachably connected between the clamping block 23 and the sliding seat 18, so that the limiting rod 15 can be replaced with different sizes, so that the wheel hub 10 with different sizes can be fixed, and the applicability of the machine tool is improved.

[0028] The first rubber pad 13 is fixedly arranged on the upper end of the fixed support column 14, and the second rubber pad 16 is fixedly arranged on the outer side of the limiting rod 15, so that the contact with the wheel hub 10 is safe, and the wheel hub 10 is prevented from being damaged.

[0029] Working principle: when the machine tool is used, first, according to the size of the inner side of the wheel hub 10, the rotating handle 9 is rotated, the rotating seat 20 is rotated in the connecting sleeve 19 through the bearing 22, and then the threaded disc 24 is rotated in the limiting chuck 8, so that the position of the sliding seat 18 in the sliding groove 17 is controlled to move, and when the sliding seat 18 is moved to the appropriate position, the limiting rod 15 is inserted into the sliding seat 18 through the clamping block 23 to be fixed in position.

[0030] Then, the wheel hub 10 is sleeved on the fixed support column 14, the first rubber pad 13 on the fixed support column 14 can ensure that the contact with the wheel hub 10 is safe, and the position of the limiting rod 15 is located on the inner side of the wheel hub 10, then the rotating handle 9 is rotated, the position of the sliding seat 18 with the limiting rod 15 is controlled to move outward, so that the wheel hub 10 can be fixed from the inner side through the limiting rod 15, and the second rubber pad 16 on the limiting rod 15 is in contact with the wheel hub 10, so that the contact with the wheel hub 10 is safe.

[0031] When the wheel hub 10 is fixed on the limiting chuck 8, the forward and reverse motor 6 rotates the wheel hub 10 to the position to be machined through the support seat 7, and then the position of the connecting rod 4 on the movable frame 3 is adjusted according to the upper and lower outer rims of the wheel hub 10, so that the grinding head 5 at the front end of the connecting rod 4 is opposite to the upper and lower outer rims of the wheel hub 10, and then the position of the connecting rod 4 is fixed by the first fixing bolt 11, so that the subsequent round corner finishing work can be carried out;

[0032] The limiting chuck 8 rotates with the wheel hub 10 by driving the motor 21, and the rotation stability of the wheel hub 10 can be enhanced due to the first rubber pad 13 and the second rubber pad 16 on the fixed support 14 and the limiting rod 15 respectively. During the rotation of the wheel hub 10, the movable frame 3 is pushed forward by the air cylinder 2, and the grinding head 5 slowly approaches the outer rim of the wheel hub 10, so that the upper and lower outer rims of the wheel hub 10 can be finished at the same time;

[0033] During the finishing work of one wheel hub 10, another wheel hub 10 can be fixed on another limiting chuck 8. After the finishing work of the one wheel hub 10 is completed, the forward and reverse motor 6 reverses to replace the finished wheel hub 10 through the support seat 7, and the wheel hub 10 which has not been finished can also be quickly finished. The finished wheel hub 10 is replaced by the wheel hub 10 which has not been finished, so that the machine tool can continuously work.

Claims

1. Machine for the finishing of the rounding of the outer wheel rim of a wheel hub, comprising a device body (1), characterized in that: The device body (1) is provided with a cylinder (2), the front end of the cylinder (2) is provided with a grinding head (5), and the grinding head (5) and the cylinder (2) are provided with an adjusting assembly for adjusting the working position of the grinding head (5); The device body (1) is also provided with a forward and reverse motor (6), the upper end of the forward and reverse motor (6) is fixedly provided with a support seat (7), both ends of the support seat (7) are provided with driving motors (21), the upper end of the driving motor (21) is fixedly provided with a limiting chuck (8), the limiting chuck (8) is provided with a fixed support column (14) and a limiting rod (15), the wheel hub (10) is movably connected to the fixed support column (14) and the limiting rod (15), and the lengths of the fixed support column (14) and the limiting rod (15) are greater than the width of the wheel hub (10).

2. The machine tool for modifying the fillet of the outer rim of a wheel hub according to claim 1, characterized in that: The adjusting assembly comprises a movable frame (3) and a connecting rod (4), the movable frame (3) is fixed at the front end of the cylinder (2), the movable frame (3) is provided with a groove, one end of the connecting rod (4) is connected to the groove in the movable frame (3) through a first fixed bolt (11), and the other end of the connecting rod (4) is provided with the grinding head (5) through a second fixed bolt (12).

3. The machine tool for modifying the fillet of the outer rim of a wheel hub according to claim 2, characterized in that: The connecting rod (4) is movably arranged on the movable frame (3), and the connecting rod (4) and the grinding head (5) are detachably connected.

4. The machine tool for modifying the fillet of the outer rim of a wheel hub according to claim 1, characterized in that: The limiting chuck (8) is provided with a sliding groove (17), the sliding groove (17) is provided with a sliding seat (18), the lower side of the sliding seat (18) is connected with a threaded disc (24), the threaded disc (24) is located in the limiting chuck (8), the lower side of the threaded disc (24) is fixedly connected with a rotating seat (20), the lower side of the limiting chuck (8) is fixedly connected with a connecting sleeve (19), the rotating seat (20) and the connecting sleeve (19) are connected through a bearing (22), and the outer side of the rotating seat (20) is fixedly connected with a rotating handle (9).

5. The machine tool for modifying the fillet of the outer rim of a wheel hub according to claim 4, characterized in that: The threaded disc (24) is rotatably arranged in the limiting chuck (8) through the rotating seat (20), and the sliding seat (18) is movably arranged in the sliding groove (17) through the rotation of the threaded disc (24).

6. The machine tool for modifying the fillet of the outer rim of a wheel hub according to claim 4, characterized in that: The sliding seat (18) is provided with a clamping groove, the lower end of the limiting rod (15) is fixedly connected with a clamping block (23), the size of the clamping block (23) is matched with the size of the clamping groove in the sliding seat (18), and the limiting rod (15) is detachably connected with the sliding seat (18) through the clamping block (23).

7. The machine tool for modifying the fillet of the outer rim of a wheel hub according to claim 1, characterized in that: The upper end of the fixed support column (14) is fixedly connected with a first rubber pad (13), and the outer side of the limiting rod (15) is fixedly connected with a second rubber pad (16).

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