Grinding head device of five-axis numerical control tool grinding machine

Abstract

The utility model discloses a grinding head device of a five-axis numerical control tool grinding machine. The grinding head device comprises a base, a supporting plate is fixedly connected to the upper end of the base, a rotating cylinder is rotatably connected to the interior of the supporting plate, a transmission rod is slidably connected to the interior of the rotating cylinder, and a grinding wheel is fixedly connected to the end of the transmission rod. A sliding hole is formed in the circumferential surface of the rotating cylinder, a connecting block is slidably connected into the sliding hole, one end of the connecting block is fixedly connected with the transmission rod, and the other end of the connecting block is fixedly connected with a rotating ring; an adjusting mechanism is arranged in the supporting plate; a power mechanism is arranged at the upper end of the base. The adjusting mechanism is used for driving the rotating ring to move, then the connecting block is driven to slide in the sliding hole, at the moment, the transmission rod can be driven to slide in the rotating cylinder along with movement of the connecting block, and therefore the extending length of the transmission rod can be changed, the grinding wheel can grind holes with different depths conveniently, and the practicability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical processing, in particular to a grinding head device of a five-axis numerical control tool grinder. Background Art

[0002] CNC tool grinders are used to process end mills, ball end mills, step drills, reamers, form milling cutters, deep hole drills, triangular chisels and planer tools, etc. They can sharpen the cutting edges and grooves of metal cutting tools and the outer circles, planes and complex surfaces of general medium and small parts. The maximum grinding workpiece diameter is 250 mm.

[0003] When a CNC tool grinder is in use, it needs to be used in conjunction with a grinding head device to grind the workpiece. Since the existing grinding head device uses the output shaft of a servo motor to connect to the grinding wheel, the processing range of the grinding wheel is limited. When performing deep hole processing on the workpiece, the connecting shaft of the grinding wheel needs to be lengthened in order to grind deeper holes. This is more troublesome, so it is necessary to design a grinding head device for a five-axis CNC tool grinder. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a grinding head device for a five-axis CNC tool grinder.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a grinding head device of a five-axis CNC tool grinder, comprising a base, a support plate fixedly connected to the upper end of the base, a rotating cylinder rotatably connected inside the support plate, a transmission rod slidably connected inside the rotating cylinder, and a grinding wheel fixedly connected to the end of the transmission rod; a sliding hole is opened on the circumferential surface of the rotating cylinder, a connecting block is slidably connected inside the sliding hole, one end of the connecting block is fixedly connected to the transmission rod, and the other end of the connecting block is fixedly connected to a rotating ring; an adjusting mechanism is arranged inside the support plate, and the adjusting mechanism is used to adjust the extension length of the transmission rod; a power mechanism is arranged on the upper end of the base, and the power mechanism is used to drive the rotating cylinder to rotate.

[0006] As a further description of the above technical solution:

[0007] The power mechanism includes a first motor, a driving wheel, a driven wheel and a belt. The upper end of the base is fixedly connected to the first motor, and the output end of the first motor is fixedly connected to the driving wheel; the circumferential surface of the rotating cylinder is fixedly connected to the driven wheel, and the driven wheel and the driving wheel are connected by a belt.

[0008] As a further description of the above technical solution:

[0009] The adjusting mechanism includes a second motor, a movable plate and a screw rod. Two support plates are provided. The two support plates are rotatably connected with a screw rod inside. The movable plate is threadedly connected to the circumferential surface of the screw rod. The movable plate is rotatably connected to the rotating ring. The rear end of the support plate located at the rear end is fixedly connected to the second motor, and the output end of the second motor is fixedly connected to the screw rod.

[0010] As a further description of the above technical solution:

[0011] A guide rod is fixedly connected between the two support plates, and the guide rod is slidably connected to the movable plate.

[0012] As a further description of the above technical solution:

[0013] The sliding holes are provided in plurality and distributed on the rotating cylinder in a circumferential array, and the connecting blocks correspond to the sliding holes.

[0014] As a further description of the above technical solution:

[0015] The upper end surface of the base is provided with a mounting hole, and a plurality of the mounting holes are provided.

[0016] The utility model has the following beneficial effects:

[0017] Compared with the prior art, the grinding head device of the five-axis CNC tool grinder is provided with an adjusting mechanism, a rotating ring, a connecting block and a sliding hole. The adjusting mechanism is used to drive the rotating ring to move, and then drive the connecting block to slide inside the sliding hole. At this time, as the connecting block moves, the transmission rod can be driven to slide inside the rotating cylinder, thereby changing the extension length of the transmission rod, which is beneficial for the grinding wheel to grind holes of different depths, improves the practicability of the device, and is beneficial for the device to quickly grind deep holes. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a structural schematic diagram of a grinding head device of a five-axis CNC tool grinder proposed by the utility model from a first perspective;

[0019] Figure 2 It is a structural schematic diagram of a grinding head device of a five-axis CNC tool grinder proposed by the utility model from a second perspective;

[0020] Figure 3 This is a schematic structural diagram of a grinding head device of a five-axis CNC tool grinder proposed by the utility model after the transmission rod and the rotating cylinder are separated;

[0021] Figure 4 A grinding head device for a five-axis CNC tool grinder proposed by the utility model Figure 3 Enlarged view of part A.

[0022] Legend:

[0023] 1. Base; 101. Mounting hole; 2. First motor; 3. Driving wheel; 4. Belt; 5. Support plate; 6. Second motor; 7. Moving plate; 8. Screw; 9. Rotating cylinder; 10. Grinding wheel; 11. Driven wheel; 12. Guide rod; 13. Transmission rod; 14. Rotating ring; 15. Connecting block; 16. Sliding hole. DETAILED DESCRIPTION

[0024] 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.

[0025] Reference Figure 1-4 The utility model provides a grinding head device of a five-axis CNC tool grinder, comprising a base 1, a support plate 5 is fixedly connected to the upper end of the base 1, a rotating cylinder 9 is rotatably connected inside the support plate 5, a transmission rod 13 is slidably connected inside the rotating cylinder 9, and a grinding wheel 10 is fixedly connected to the end of the transmission rod 13; a sliding hole 16 is opened on the circumferential surface of the rotating cylinder 9, a connecting block 15 is slidably connected inside the sliding hole 16, one end of the connecting block 15 is fixedly connected to the transmission rod 13, and the other end of the connecting block 15 is fixedly connected to a rotating ring 14; an adjusting mechanism is arranged inside the support plate 5, and the adjusting mechanism is used to adjust the extension length of the transmission rod 13; a power mechanism is arranged on the upper end of the base 1, and the power mechanism is used to drive the rotating cylinder 9 to rotate.

[0026] The adjusting mechanism includes a second motor 6, a movable plate 7 and a screw 8. Two support plates 5 are provided. The screws 8 are rotatably connected inside the two support plates 5. The movable plate 7 is threadedly connected to the circumferential surface of the screw 8. The movable plate 7 is rotatably connected to the rotating ring 14. The rear end of the support plate 5 located at the rear end is fixedly connected to the second motor 6, and the output end of the second motor 6 is fixedly connected to the screw 8.

[0027] Specifically, the power mechanism is first used to drive the rotating cylinder 9 to rotate, and then the transmission rod 13 can be driven to rotate with the cooperation of the rotating ring 14 and the connecting block 15. As the transmission rod 13 rotates, the grinding wheel 10 can be driven to rotate, so that the workpiece can be grinded with the cooperation of the grinding wheel 10. When grinding the holes in the workpiece, the second motor 6 needs to be turned on at the same time. At this time, the movable plate 7 can be driven to move with the cooperation of the screw rod 8, and then the transmission rod 13 can be driven to slide inside the rotating cylinder 9 with the cooperation of the rotating ring 14 and the connecting block 15, thereby changing the extension length of the transmission rod 13, which is beneficial for the grinding wheel 10 to grind holes of different depths, thereby improving the practicability of the device.

[0028] The power mechanism includes a first motor 2, a driving wheel 3, a driven wheel 11 and a belt 4. The first motor 2 is fixedly connected to the upper end of the base 1, and the driving wheel 3 is fixedly connected to the output end of the first motor 2; the circumferential surface of the rotating cylinder 9 is fixedly connected to the driven wheel 11, and the driven wheel 11 and the driving wheel 3 are connected by the belt 4. When working, by turning on the first motor 2, the rotating cylinder 9 can be driven to rotate with the cooperation of the driving wheel 3, the driven wheel 11 and the belt 4, thereby providing power for the rotation of the grinding wheel 10.

[0029] A guide rod 12 is fixedly connected between the two support plates 5, and the guide rod 12 is slidably connected to the movable plate 7. During operation, the movement of the movable plate 7 can be limited by setting the guide rod 12, so that the movable plate 7 can move smoothly.

[0030] There are multiple sliding holes 16 distributed in a circular array on the rotating cylinder 9. The connecting blocks 15 correspond to the sliding holes 16. When working, by setting multiple groups of sliding holes 16 and connecting blocks 15, the rotating cylinder 9 can stably drive the transmission rod 13 to rotate.

[0031] A mounting hole 101 is provided on the upper end surface of the base 1, and a plurality of mounting holes 101 are provided. During operation, by providing the mounting holes 101, the base 1 can be conveniently fixed on a five-axis CNC tool grinder under the action of the mounting holes 101, thereby facilitating the five-axis CNC tool grinder to use the device to process deep holes of a workpiece.

[0032] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A grinding head device for a five-axis CNC tool grinder, comprising a base (1), characterized in that: The upper end of the base (1) is fixedly connected to a support plate (5), a rotating cylinder (9) is rotatably connected inside the support plate (5), a transmission rod (13) is slidably connected inside the rotating cylinder (9), and a grinding wheel (10) is fixedly connected to the end of the transmission rod (13); a sliding hole (16) is opened on the circumferential surface of the rotating cylinder (9), a connecting block (15) is slidably connected inside the sliding hole (16), one end of the connecting block (15) is fixedly connected to the transmission rod (13), and the other end of the connecting block (15) is fixedly connected to a rotating ring (14); an adjusting mechanism is arranged inside the support plate (5), and the adjusting mechanism is used to adjust the extension length of the transmission rod (13); a power mechanism is arranged on the upper end of the base (1), and the power mechanism is used to drive the rotating cylinder (9) to rotate.

2. The grinding head device of a five-axis CNC tool grinder according to claim 1, characterized in that: The power mechanism comprises a first motor (2), a driving wheel (3), a driven wheel (11) and a belt (4); the upper end of the base (1) is fixedly connected to the first motor (2); the output end of the first motor (2) is fixedly connected to the driving wheel (3); the circumferential surface of the rotating cylinder (9) is fixedly connected to the driven wheel (11); the driven wheel (11) and the driving wheel (3) are connected via a belt (4).

3. The grinding head device of a five-axis CNC tool grinder according to claim 1, characterized in that: The adjustment mechanism comprises a second motor (6), a movable plate (7) and a screw (8); two support plates (5) are provided, and the screw (8) is rotatably connected inside the two support plates (5); the movable plate (7) is threadedly connected to the circumferential surface of the screw (8); the movable plate (7) is rotatably connected to the rotating ring (14); the rear end of the support plate (5) located at the rear end is fixedly connected to the second motor (6), and the output end of the second motor (6) is fixedly connected to the screw (8).

4. The grinding head device of a five-axis CNC tool grinder according to claim 3, characterized in that: A guide rod (12) is fixedly connected between the two support plates (5), and the guide rod (12) is slidably connected to the movable plate (7).

5. The grinding head device of a five-axis CNC tool grinder according to claim 1, characterized in that: A plurality of the sliding holes (16) are provided and distributed in a circumferential array on the rotating cylinder (9), and the connecting blocks (15) correspond to the sliding holes (16).

6. The grinding head device of a five-axis CNC tool grinder according to claim 1, characterized in that: The upper end surface of the base (1) is provided with a mounting hole (101), and a plurality of the mounting holes (101) are provided.

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