Rotary stock bin device of numerical control gear hobbing machine

Abstract

The utility model relates to the field of gear hobbing machine feeding, in particular to a numerical control gear hobbing machine rotating stock bin device which comprises a base, a rotating groove is formed in the center of the top of the base, the base is located in the rotating groove and connected with a rotating structure in a rotating mode, an annular groove is formed in the outer wall of the top of the base, and a bearing is installed on the base in the annular groove. The rotating structure comprises a rotating disc, a transmission groove formed in the bottom of the rotating disc, a bottom plate installed on the outer wall of the bottom of the rotating disc, rotating holes formed in the outer wall of the top of the rotating disc at equal intervals, and fixing cylinders rotationally connected to the outer walls of the rotating holes. The servo motor drives the rotating seat and the rotating disc to rotate on the base through the worm and the worm gear, unmachined workpieces are rotated to a machining area, continuous feeding and material taking are facilitated, and machining efficiency is improved; the gas takes away heat of the driving motor and then is discharged from the exhaust hole, thereby ensuring operation stability of the driving motor.

Description

Technical Field

[0001] The utility model relates to the technical field of loading of hobbing machines, in particular to a rotary magazine device for a numerical control hobbing machine. Background Art

[0002] A hobbing machine is one of the most widely used machine tools in gear processing machine tools. Straight teeth, helical cylindrical gears can be cut on a hobbing machine, and worm wheels, sprocket wheels, etc. can also be processed. It is a gear processing machine tool that uses a hob to process straight teeth, helical teeth and herringbone teeth cylindrical gears and worm wheels by the generating method. When using a special hob, this machine tool can also process workpieces with various special tooth profiles such as splines and sprocket wheels;

[0003] At present, when the existing hobbing machine hobs a metal rod, it needs to be loaded one by one. After one workpiece is processed, the workpiece is taken out and a new workpiece is replaced. This process is relatively cumbersome and wastes a lot of processing time. Summary of the Utility Model

[0004] The purpose of the utility model is to propose a rotary magazine device for a numerical control hobbing machine aiming at the above existing problems and deficiencies: The servo motor drives the rotating seat and the rotating disk to rotate on the base through a worm and a worm wheel, rotates the unprocessed workpiece into the processing area, is convenient for continuous loading and taking of materials, improves the processing efficiency, and solves the problem of reduced efficiency caused by frequent loading and unloading.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A rotary magazine device for a numerical control hobbing machine includes a base. A rotating groove is opened at the center of the top of the base, and a rotating structure is rotatably connected in the base in the rotating groove. A ring groove is opened on the outer wall of the top of the base, and a bearing is installed in the base in the ring groove; The rotating structure includes a rotating disk, a transmission groove opened at the bottom of the rotating disk, a bottom plate installed on the outer wall of the bottom of the rotating disk, rotating holes opened at equal intervals on the outer wall of the top of the rotating disk, fixed cylinders rotatably connected to the outer walls of the rotating holes, and a main shaft rotatably connected to the inner wall of the bottom of the rotating disk and the center of the bottom plate.

[0007] Preferably, a second gear is installed on the outer wall of the main shaft at the bottom of the fixed cylinder, and first gears are installed on the outer walls of the bottoms of the fixed cylinders. The first gears are meshed with the second gear.

[0008] Preferably, the outer wall of the bottom end of the fixed cylinder is rotatably connected to the outer wall of the top of the bottom plate, and a limiting ring is welded on the outer wall of the top of the fixed cylinder. The limiting ring is rotatably connected to the outer wall of the top of the rotating disk.

[0009] Preferably, a rotating seat is installed at the center of the outer wall of the bottom of the bottom plate, a driving motor is installed at the center of the inner wall of the rotating seat, and the output shaft of the driving motor is connected to the bottom end of the main shaft.

[0010] Preferably, the outer wall of the bottom of the base plate contacts the outer wall of the top of the bearing, and the outer wall of the rotating seat is rotatably connected to the outer wall of the rotating groove. A driving groove is formed at the bottom of the base where the rotating seat is located, and a heat dissipation groove is formed at the outer wall of the base where the outer wall of the rotating seat is located.

[0011] Preferably, a fan and a servo motor are respectively installed on the inner wall of the driving groove of the base, and a worm is connected to the output end of the servo motor. A worm gear is installed at the center of the outer wall of the bottom of the rotating seat, and the worm gear meshes with the worm.

[0012] Preferably, a maintenance hole is formed at the bottom of one outer wall of the base, and a maintenance plate is installed on the outer wall of the maintenance hole. Dust-proof holes are formed on the outer wall of the maintenance plate, and intake holes are formed at equal intervals on the outer wall of the rotating seat where the driving motor is located. Exhaust holes are formed on the outer wall of the base at the heat dissipation groove. The output end of the fan is connected to a heat dissipation pipe, and the other end of the heat dissipation pipe is located at the heat dissipation groove.

[0013] Preferably, the servo motor, the fan, and the driving motor are connected to a switch through wires, and the switch is connected to a power source through wires.

[0014] The beneficial effects of the present utility model are as follows:

[0015] 1. After the driving motor in the rotating seat is started, it drives the main shaft and gear two to rotate. After gear two rotates, it drives the fixed cylinder through gear transmission, and the fixed cylinder drives the workpiece to rotate, which is convenient for assisting in hobbing.

[0016] 2. The servo motor drives the rotating seat and the rotating disk to rotate on the base through the worm and the worm gear, rotates the unprocessed workpiece into the processing area, is convenient for continuous feeding and taking materials, and improves the processing efficiency.

[0017] 3. When the fan is started, it extracts the gas from the dust-proof holes at the maintenance plate and transports it to the heat dissipation groove. After the gas takes away the heat of the driving motor, it is discharged from the exhaust hole, ensuring the operation stability of the driving motor. Description of the Drawings

[0018] Figure 1 It is a schematic diagram of the unfolded structure at the bottom of the rotating disk of a rotary magazine device for a numerical control hobbing machine proposed by the present utility model;

[0019] Figure 2 It is a schematic diagram of the bottom structure of the rotating disk of a rotary magazine device for a numerical control hobbing machine proposed by the present utility model;

[0020] Figure 3 It is a schematic cross-sectional structure diagram of the rotating disk of a rotary magazine device for a numerical control hobbing machine proposed by the present utility model;

[0021] Figure 4 It is a schematic cross-sectional structure diagram of the base of a rotary magazine device for a numerical control hobbing machine proposed by the present utility model;

[0022] Figure 5 This is a schematic diagram of the overall structure of a rotary bin device for a numerically controlled hobbing machine proposed by the present utility model.

[0023] In the figure: 1 base, 2 rotating groove, 3 rotating structure, 4 rotating disk, 5 bottom plate, 6 rotating hole, 7 fixed cylinder, 8 limiting ring, 9 gear one, 10 main shaft, 11 gear two, 12 rotating seat, 13 driving motor, 14 driving groove, 15 heat dissipation groove, 16 servo motor, 17 fan, 18 worm, 19 worm gear, 20 heat dissipation pipe, 21 air inlet hole, 22 exhaust hole, 23 maintenance plate, 24 dust-proof hole, 25 bearing. Specific embodiments

[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.

[0025] Embodiment 1:

[0026] Referring to Figure 4-5 , a rotary bin device for a numerically controlled hobbing machine includes a base 1. A rotating groove 2 is opened at the center of the top of the base 1, and a rotating structure 3 is rotatably connected in the rotating groove 2 of the base 1. A ring groove is opened on the outer wall of the top of the base 1, and a bearing 25 is installed in the ring groove of the base 1;

[0027] The outer wall of the bottom of the bottom plate 5 is in contact with the outer wall of the top of the bearing 25, and the outer wall of the rotating seat 12 is rotatably connected to the outer wall of the rotating groove 2. A driving groove 14 is opened at the bottom of the base 1 where the rotating seat 12 is located, and a heat dissipation groove 15 is opened on the outer wall of the base 1 where the outer wall of the rotating seat 12 is located. After the maintenance plate 23 in the base 1 is opened, the servo motor 16 and the fan 17 are maintained through the maintenance hole, which is convenient for use and maintenance;

[0028] The base 1 is respectively installed with a fan 17 and a servo motor 16 on the inner wall of the driving groove 14, and the output end of the servo motor 16 is connected with a worm 18. A worm gear 19 is installed at the center of the outer wall of the bottom of the rotating seat 12, and the worm gear 19 meshes with the worm 18. The servo motor 16 drives the rotating seat 12 to rotate through the worm 18 and the worm gear 19. The rotating seat 12 is installed on the bottom plate 5 at the bottom of the rotating disk 4, thereby driving the fixed cylinder 7 on the rotating disk 4 to rotate, changing the position of the fixed cylinder 7, facilitating loading and unloading, and improving processing efficiency;

[0029] An inspection hole is provided at the bottom of the outer wall on one side of the base 1, and an inspection plate 23 is installed on the outer wall of the inspection hole. Dust-proof holes 24 are provided on the outer wall of the inspection plate 23, and intake holes 21 are provided at equal intervals on the outer wall of the rotating seat 12 at the position of the driving motor 13. Exhaust holes 22 are provided on the outer wall of the base 1 at the position of the heat dissipation groove 15. The output end of the fan 17 is connected to a heat dissipation pipe 20, and the other end of the heat dissipation pipe 20 is located at the heat dissipation groove 15. The fan 17 extracts the air flow in the driving groove 14 and transports it to the heat dissipation groove 15 through the heat dissipation pipe 20. The gas enters the driving groove 14 through the dust-proof holes 24, and then the gas contacts the driving motor 13 in the heat dissipation groove 15 and is discharged from the exhaust holes 22, which is convenient for dissipating heat from the servo motor 16, the driving motor 13 and the fan 17 itself and maintaining stable operation;

[0030] The servo motor 16, the fan 17 and the driving motor 13 are connected to a switch through wires, and the switch is connected to a power supply through wires.

[0031] Embodiment 2:

[0032] Refer to Figure 1-3 The rotating structure 3 includes a rotating disk 4, a transmission groove opened at the bottom of the rotating disk 4, a bottom plate 5 installed on the outer wall of the bottom of the rotating disk 4, rotating holes 6 opened at equal intervals on the outer wall of the top of the rotating disk 4, a fixed cylinder 7 rotatably connected to the outer wall of the rotating hole 6, and a main shaft 10 rotatably connected to the inner wall of the bottom of the rotating disk 4 and the center of the bottom plate 5;

[0033] A second gear 11 is installed on the outer wall of the main shaft 10 at the bottom of the fixed cylinder 7, and first gears 9 are installed on the outer walls of the bottoms of the fixed cylinders 7. The first gears 9 are meshed with the second gear 11;

[0034] The bottom outer wall of the fixed cylinder 7 is rotatably connected to the top outer wall of the bottom plate 5, and a limiting ring 8 is welded to the top outer wall of the fixed cylinder 7. The limiting ring 8 is rotatably connected to the top outer wall of the rotating disk 4;

[0035] A rotating seat 12 is installed at the center of the bottom outer wall of the bottom plate 5, and a driving motor 13 is installed at the center of the inner wall of the rotating seat 12. The output shaft of the driving motor 13 is connected to the bottom end of the main shaft 10. The driving motor 13 inside the rotating seat 12 drives the second gear 11 to rotate through the main shaft 10. After the second gear 11 rotates, it drives the first gear 9 to rotate, so that the fixed cylinder 7 rotates, which is convenient for assisting in hobbing and convenient for use.

[0036] Working principle: When in use, replace the workpiece table of the hobbing machine as a whole. Insert a suitable workpiece into the fixed cylinder 7 during use. The hobbing machine can only process one workpiece at a time. The center point in the hobbing machine descends and contacts the top end of the workpiece to restrict the workpiece. After the driving motor 13 in the rotating seat 12 starts, it drives the main shaft 10 and the second gear 11 to rotate. After the second gear 11 rotates, it drives the fixed cylinder 7 through the first gear 9. The fixed cylinder 7 drives the workpiece to rotate. At this time, the cutting tool in the hobbing machine rotates close to the outer wall of the workpiece to cut and hob the workpiece. When one workpiece is processed, the thimble moves upward and the cutting tool moves away from the workpiece. At this time, the servo motor 16 drives the rotating seat 12 and the rotating disk 4 to rotate on the base 1 through the worm 18 and the worm gear 19, and rotates the unprocessed workpiece to the processing area, and repeats the above steps for processing, which is convenient for continuous feeding, eliminates the step of stopping the machine to pick up materials, and improves the processing efficiency; during the processing, the fan 17 starts to extract the gas from the dust-proof hole 24 at the inspection plate 23 and transports it to the heat dissipation groove 15. The gas enters the inside of the rotating seat 12 through the air inlet hole 21, and after taking away the heat of the driving motor 13, it is discharged from the exhaust hole 22, ensuring the operation stability of the driving motor 13.

[0037] The exemplary embodiments of the present invention are described in detail with reference to the embodiments herein. However, those skilled in the art can understand that, without departing from the concept of the present invention, various modifications and variations can be made to the above specific embodiments, and various combinations can be made to the technical features and structures proposed by the present invention, without exceeding the protection scope of the present invention. The protection scope of the present invention is determined by the appended claims. The foregoing description of the specific exemplary embodiments of the present invention is not intended to limit the present invention to the precise forms disclosed, and obviously, many changes and variations are possible in light of the above teachings. The purpose of selecting and describing the exemplary embodiments is to explain the specific principles of the present invention and its practical applications, so that those skilled in the art can implement and utilize various different exemplary embodiments of the present invention, as well as various different selections and changes. The scope of the present invention is intended to be defined by the claims and their equivalents.

Claims

1. A rotating silo device for a CNC gear hobbing machine, comprising a base (1), characterized in that: A rotation groove (2) is provided at the center of the top of the base (1), and the base (1) is rotatably connected to a rotating structure (3) in the rotation groove (2); an annular groove is provided on the top outer wall of the base (1), and a bearing (25) is installed in the annular groove of the base (1); The rotating structure (3) comprises a rotating disk (4), a transmission groove provided at the bottom of the rotating disk (4), a bottom plate (5) mounted on the outer wall of the bottom of the rotating disk (4), rotating holes (6) provided at equal intervals on the outer wall of the top of the rotating disk (4), a fixing cylinder (7) rotatably connected to the outer wall of the rotating hole (6), and a main shaft (10) rotatably connected to the inner wall of the bottom of the rotating disk (4) and the center of the bottom plate (5).

2. A CNC gear hobbing machine rotating silo device according to claim 1, characterized in that: The main shaft (10) is located at the bottom of the fixed cylinder (7) and has a second gear (11) installed on its outer wall. The bottom outer wall of the fixed cylinder (7) is also equipped with a first gear (9), and the first gear (9) is meshed with the second gear (11).

3. The rotary silo device of a CNC gear hobbing machine according to claim 1, characterized in that: The outer wall of the bottom end of the fixed cylinder (7) is rotatably connected to the outer wall of the top of the bottom plate (5), and a limiting ring (8) is welded to the outer wall of the top of the fixed cylinder (7), and the limiting ring (8) is rotatably connected to the outer wall of the top of the rotating disk (4).

4. The rotary silo device of a CNC gear hobbing machine according to claim 1, characterized in that: A rotating seat (12) is installed at the center of the outer wall at the bottom of the base plate (5), and a driving motor (13) is installed at the center of the inner wall of the rotating seat (12), and the output shaft of the driving motor (13) is connected to the bottom end of the main shaft (10).

5. The rotary silo device of a CNC gear hobbing machine according to claim 1, characterized in that: The bottom outer wall of the bottom plate (5) contacts the top outer wall of the bearing (25), and the outer wall of the rotating seat (12) is rotatably connected to the outer wall of the rotating groove (2); the base (1) is provided with a driving groove (14) at the bottom of the rotating seat (12), and the outer wall of the base (1) is provided with a heat dissipation groove (15) at the outer wall of the rotating seat (12).

6. A rotary silo device for a CNC gear hobbing machine according to claim 5, characterized in that: The base (1) is located on the inner wall of the driving groove (14), and a fan (17) and a servo motor (16) are respectively installed thereon, and the output end of the servo motor (16) is connected to a worm (18), and a worm wheel (19) is installed at the center of the bottom outer wall of the rotating base (12), and the worm wheel (19) is meshed with the worm (18).

7. The rotary silo device for a CNC gear hobbing machine according to claim 1, characterized in that: An inspection hole is provided at the bottom of the outer wall of one side of the base (1), and an inspection plate (23) is installed on the outer wall at the inspection hole, a dustproof hole (24) is provided on the outer wall of the inspection plate (23), and air inlet holes (21) distributed at equal distances are provided on the outer wall of the rotating seat (12) at the driving motor (13), an exhaust hole (22) is provided on the outer wall of the base (1) at the heat dissipation groove (15), and a heat dissipation pipe (20) is connected to the output end of the fan (17), and the other end of the heat dissipation pipe (20) is located at the heat dissipation groove (15).

8. The rotary silo device for a CNC gear hobbing machine according to claim 6, characterized in that: The servo motor (16), the fan (17) and the drive motor (13) are connected to a switch via a wire, and the switch is connected to a power source via a wire.

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