Milling cutter centering device for gear milling machine

Abstract

The utility model discloses a milling cutter centering device for a gear milling machine, which comprises a connecting column, an adjusting mechanism is arranged in the middle of the inside of the connecting column, a connecting seat is rotatably connected to the middle of the bottom end of the connecting column, a fixing seat is fixedly connected to the bottom end of the connecting seat, and a gradienter is fixedly connected to one side of the top end of the fixing seat. A moving mechanism is arranged in one side of the fixing base, and a limiting mechanism is arranged at the top end of one side in the fixing base. The position of a milling cutter at the top end of a machined part can be marked by installing the infrared illuminating lamp at the bottom end of the milling cutter installing frame, meanwhile, the fluted disc on the fixing base is rotated, the fluted disc can push the rack block to move, and at the moment, the rack block can drive the milling cutter installing frame at the bottom end to rapidly adjust the position; the position of the milling cutter at the bottom end of the milling cutter mounting rack at the top end of the workpiece is adjusted, and a positioning rod in the fixing seat is inserted into a positioning hole in the top end of the fluted disc, so that the milling cutter mounting rack can be fixed after position adjustment.

Description

Technical Field

[0001] The utility model relates to the technical field of milling cutter centering tools, in particular to a milling cutter centering device for a gear milling machine. Background Art

[0002] A milling cutter alignment device for gear milling machines ensures the alignment of the cutter's centerline with the workpiece's during gear machining. First, a clamping device stabilizes the cutter, followed by a rough alignment using an adjustment system. An indicator accurately measures the alignment error between the cutter and the workpiece, and finally, fine-tuning and locking the position ensures the cutter remains stable and precisely aligned during machining. This device improves machining accuracy and efficiency and is widely used in the manufacture of gears and precision tools.

[0003] The milling cutter centering device for a gear milling machine disclosed in Chinese patent publication number CN203636511U only needs to measure the distance from the worktable rotation center to the measuring plane of the measuring head twice to determine how thick the gasket needs to be set on the milling cutter holder. This utility model has accurate centering and high centering efficiency, but the overall flexibility of the milling cutter centering device is low, and it is not convenient to quickly adjust the position of the milling cutter on the top of the workpiece, thereby affecting the overall flexibility of the milling cutter centering device. Utility Model Content

[0004] The purpose of the present utility model is to provide a milling cutter centering device for a gear milling machine, so as to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a milling cutter centering device for a gear milling machine, comprising a connecting column, an adjustment mechanism is provided at the middle position inside the connecting column, a connecting seat is rotatably connected to the middle position of the bottom end of the connecting column, the bottom end of the connecting seat is fixedly connected to a fixed seat, a level is fixedly connected to one side of the top of the fixed seat, a moving mechanism is provided inside one side of the fixed seat, a limiting mechanism is provided at the top of one side of the fixed seat, a milling cutter mounting bracket is provided at the bottom end of the fixed seat, and an infrared lamp is installed on one side of the bottom end of the milling cutter mounting bracket.

[0006] Preferably, the adjustment mechanism includes a servo motor installed at a middle position of the top end inside the connecting column, and the output shaft end of the servo motor is installed with a threaded rod that rotates inside the connecting column.

[0007] Preferably, one side of the outer portion of the threaded rod is threadedly connected to a threaded block, and one side of the threaded block is rotatably connected to a push rod whose bottom end is rotatably connected to a fixing seat.

[0008] Preferably, the moving mechanism comprises a gear disc rotatably connected inside one side of the fixed seat, and one side of the gear disc is meshedly connected with a rack block whose bottom end is fixedly connected to the milling cutter mounting frame.

[0009] Preferably, the limiting mechanism includes positioning holes evenly spaced at the top of the toothed disc, and a pull rod is slidably connected to the interior of the top of the fixing seat.

[0010] Preferably, the bottom end of the pull rod is fixedly connected to a movable disk, and the middle position of the bottom end of the movable disk is fixedly connected to a positioning rod that is inserted into the positioning hole.

[0011] Compared with the prior art, the beneficial effects of the present invention are:

[0012] 1. This milling cutter centering device for a gear milling machine has an infrared lamp installed at the bottom of the milling cutter mounting frame to mark the position of the milling cutter at the top of the workpiece. At the same time, the gear disc on the fixed seat is rotated, and the gear disc can push the rack block to move. At this time, the rack block can drive the milling cutter mounting frame at the bottom to quickly adjust its position and adjust the position of the milling cutter at the top of the workpiece. The positioning rod in the fixed seat is inserted into the positioning hole at the top of the gear disc to complete the fixation of the milling cutter mounting frame after position adjustment, thereby improving the flexibility and convenience of the overall use of the milling cutter centering device.

[0013] 2. This type of milling cutter centering device for gear milling machines has a spirit level installed on the top of the fixed seat to observe the overall level of the fixed seat. At the same time, the servo motor inside the connecting column is started to drive the threaded rod to rotate. At this time, the threaded block on the threaded rod can be freely raised and lowered on the threaded rod, and the threaded block can push the fixed seat as a whole through the push rod to adjust the tilt angle, thereby ensuring the overall level of the milling cutter centering device and improving the stability of subsequent milling cutter processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a schematic cross-sectional view of the regulating mechanism of the present invention;

[0016] Figure 3 This is a schematic diagram of the top view of the moving mechanism of the utility model;

[0017] Figure 4 This is a schematic cross-sectional view of the limiting mechanism of the present utility model;

[0018] Figure 5 It is a schematic diagram of the bottom structure of the utility model.

[0019] In the figure: 1. Connecting column; 2. Adjusting mechanism; 201. Servo motor; 202. Threaded rod; 203. Threaded block; 204. Push rod; 3. Connecting seat; 4. Fixed seat; 401. Level; 5. Moving mechanism; 501. Toothed disc; 502. Positioning hole; 6. Rack block; 7. Limiting mechanism; 701. Pull rod; 702. Movable disc; 703. Positioning rod; 8. Milling cutter mounting bracket; 801. Infrared lamp. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] See also Figure 1-5 , this utility model provides two technical solutions:

[0022] Embodiment 1, a milling cutter centering device for a gear milling machine, includes a connecting column 1, an adjusting mechanism 2 is provided at the middle position inside the connecting column 1, a connecting seat 3 is rotatably connected to the middle position of the bottom end of the connecting column 1, the bottom end of the connecting seat 3 is fixedly connected to a fixed seat 4, a spirit level 401 is fixedly connected to one side of the top of the fixed seat 4, a moving mechanism 5 is provided inside one side of the fixed seat 4, a limiting mechanism 7 is provided at the top of one side of the fixed seat 4, a milling cutter mounting bracket 8 is provided at the bottom end of the fixed seat 4, an infrared lamp 801 is installed on one side of the bottom end of the milling cutter mounting bracket 8, a milling cutter can be installed inside the bottom end of the milling cutter mounting bracket 8, and a spirit level 401 is provided at the top of the fixed seat 4 to facilitate observation of the overall levelness of the fixed seat 4 and the milling cutter mounting bracket 8.

[0023] The moving mechanism 5 includes a gear disc 501 that is internally rotatably connected to one side of the fixed seat 4. One side of the gear disc 501 is meshedly connected to a rack block 6 that is fixedly connected to the bottom end of the milling cutter mounting frame 8. The rotation of the gear disc 501 can push the rack block 6 to move, and at the same time, the rack block 6 can drive the milling cutter mounting frame 8 at the bottom end to adjust its position.

[0024] The limiting mechanism 7 includes positioning holes 502 evenly spaced at the top of the toothed disk 501, a pull rod 701 is connected to the internal sliding of the top of the fixed seat 4, the bottom end of the pull rod 701 is fixedly connected to the movable disk 702, and the middle position of the bottom end of the movable disk 702 is fixedly connected to the positioning rod 703 that is inserted into the positioning holes 502. When the positioning rod 703 at the bottom end of the limiting mechanism 7 is inserted into the positioning holes 502 at different positions on the toothed disk 501, the position of the toothed disk 501 after rotation can be fixed.

[0025] The main difference between the second embodiment and the first embodiment is that:

[0026] A milling cutter centering device for a gear milling machine, wherein the adjustment mechanism 2 includes a servo motor 201 installed in the middle position of the top end of the connecting column 1, and the output shaft end of the servo motor 201 is installed with a threaded rod 202 that rotates inside the connecting column 1, and one side of the outer side of the threaded rod 202 is threadedly connected to a threaded block 203, and one side of the threaded block 203 is rotatably connected to a push rod 204 that is rotatably connected to the bottom end and the fixed seat 4. When the servo motor 201 is started, it can drive the threaded rod 202 to rotate. At this time, the threaded block 203 can move up and down on the threaded rod 202, and the threaded block 203 can push the fixed seat 4 through the push rod 204 to adjust the tilt angle. At the same time, the contents not described in detail in this specification belong to the existing technology well known to those skilled in the art.

[0027] When the embodiment of the present application is in use: the workpiece is fixed under the milling cutter centering device, and the level 401 at the top of the fixed seat 4 is observed. At this time, the servo motor 201 is started to drive the threaded rod 202 to rotate, and the threaded block 203 on the threaded rod 202 can push the push rod 204 to move, and the push rod 204 pushes the fixed seat 4 to adjust the tilt angle, so that the fixed seat 4 remains horizontal. At this time, the infrared lamp 801 at the bottom end of the milling cutter mounting frame 8 is started, and the infrared beam can be irradiated on the workpiece. At this time, by rotating the toothed disc 501 on the fixed seat 4, the toothed disc 501 can push the milling cutter mounting frame 8 to adjust its position through the rack block 6, and cooperate with the micrometer or laser measuring equipment to accurately measure the centering error between the milling cutter and the workpiece, so as to adjust the milling cutter mounting frame 8 to the appropriate centering position. At this time, the positioning rod 703 in the fixed seat 4 is inserted into the positioning hole 502 on the toothed disc 501, so that the position fixation of the rack block 6 and the milling cutter mounting frame 8 can be completed.

[0028] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely preferred examples of the present invention and are not intended to limit the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A milling cutter centering device for a gear milling machine, comprising a connecting column (1), characterized in that: An adjusting mechanism (2) is provided in the middle position inside the connecting column (1), a connecting seat (3) is rotatably connected to the middle position of the bottom end of the connecting column (1), a fixing seat (4) is fixedly connected to the bottom end of the connecting seat (3), a level (401) is fixedly connected to one side of the top end of the fixing seat (4), a moving mechanism (5) is provided inside one side of the fixing seat (4), a limiting mechanism (7) is provided at the top end of one side of the fixing seat (4), a milling cutter mounting frame (8) is provided at the bottom end of the fixing seat (4), and an infrared lamp (801) is installed on one side of the bottom end of the milling cutter mounting frame (8).

2. A milling cutter centering device for a gear milling machine according to claim 1, characterized in that: The regulating mechanism (2) comprises a servo motor (201) installed at the middle position of the top end inside the connecting column (1), and a threaded rod (202) rotating inside the connecting column (1) is installed at the output shaft end of the servo motor (201).

3. The milling cutter centering device for a gear milling machine according to claim 2, characterized in that: One side of the outside of the threaded rod (202) is threadedly connected to a threaded block (203), and one side of the threaded block (203) is rotatably connected to a push rod (204) whose bottom end is rotatably connected to a fixing seat (4).

4. The milling cutter centering device for a gear milling machine according to claim 1, characterized in that: The moving mechanism (5) includes a toothed disc (501) rotatably connected to one side of the fixed seat (4), and one side of the toothed disc (501) is meshedly connected to a rack block (6) whose bottom end is fixedly connected to the milling cutter mounting frame (8).

5. The milling cutter centering device for a gear milling machine according to claim 1, characterized in that: The limiting mechanism (7) includes positioning holes (502) uniformly arranged at equal distances on the top of the toothed disc (501), and a pull rod (701) is slidably connected to the interior of the top of the fixing seat (4).

6. The milling cutter centering device for a gear milling machine according to claim 5, characterized in that: The bottom end of the pull rod (701) is fixedly connected to a movable disk (702), and the middle position of the bottom end of the movable disk (702) is fixedly connected to a positioning rod (703) inserted into the positioning hole (502).

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