Circumferential non-uniform twelve-hole gang drill

Abstract

The utility model discloses a circumferential non-uniform twelve-hole gang drill, which relates to the technical field of gang drills, and comprises a gang drill seat, the upper surface of the gang drill seat is fixedly connected with a connecting frame, the lower surface of the other side of the connecting frame is fixedly connected with an outer cover, the outer cover is positioned on the outer side of the gang drill seat, the lower surface of the gang drill seat is provided with a groove, and the top surface of the groove is provided with a threaded hole. The surface of the threaded hole is in threaded connection with a threaded block, a gap is formed between the gang drill seat and the outer cover, first limiting ring grooves are formed in the upper surface of the gang drill seat and the upper surface of the outer cover, the surface of each first limiting ring groove is in sliding connection with a first limiting ring block, the lower end face of the rotating shaft is fixedly connected with a first gear, and the surface of the first gear is in meshing transmission with a gear disc. Through the arrangement of the outer cover, the gear disc, the movable seat, the servo motor, the rotating shaft and the first gear, the effect of conveniently adjusting the punching position is achieved, and the purpose of providing the practicability of the group drill is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of group drills, in particular to a group drill with twelve holes that are not evenly distributed on a circumference. Background Art

[0002] As a new type of hole processing equipment, group drilling is widely used in drilling and tapping of porous parts in the machinery industry.

[0003] A group drill assembly and a group drill machine having the group drill assembly are disclosed in the Chinese utility model patent application disclosure CN104647042B. Although the application has the advantages of only needing to position the group drill assembly once and not having to replace the group drill assembly during drilling and tapping processing, which greatly improves work efficiency, improves processing quality, and saves labor costs, it has the disadvantage of being inconvenient to adjust the drilling position when drilling non-uniformly distributed holes. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a circumferentially non-uniformly distributed twelve-hole group drill, which solves the problems raised in the above-mentioned background technology.

[0006] (II) Technical solution

[0007] To achieve the above purpose, the utility model is implemented through the following technical solutions: a circumferentially non-uniformly distributed twelve-hole group drill, including a group drill seat, the upper surface of the group drill seat is fixedly connected to a connecting frame, the lower surface of the other side of the connecting frame is fixedly connected to an outer cover, the outer cover is located on the outer side of the group drill seat, the lower surface of the group drill seat is provided with a groove, the top surface of the groove is provided with a threaded hole, the surface of the threaded hole is threadedly connected to a threaded block, the lower surface of the threaded block is fixedly connected to a gear plate, a gap is provided between the group drill seat and the outer cover, and the upper surfaces of the group drill seat and the outer cover are provided with a first A limiting ring groove, the surface of the first limiting ring groove is slidably connected with a first limiting ring block, the upper surface of the first limiting ring block is fixedly connected with a moving seat, the upper surface of the moving seat is installed with a servo motor, the output end of the servo motor is fixedly connected with a rotating shaft, the rotating shaft passes through a gap, the lower end surface of the rotating shaft is fixedly connected with a first gear, the surface of the first gear is meshed with the gear plate for transmission, the lower surface of the first gear is rotatably connected with a connecting block through a bearing, the lower surface of the connecting block is installed with a driving motor, the lower surface of the driving motor is installed with a drill chuck seat, and the lower surface of the drill chuck seat is installed with a drill bit.

[0008] Optionally, there are two connecting frames, which are symmetrically distributed.

[0009] Optionally, there are two first limiting ring grooves and two first limiting ring blocks, and they are arranged on both sides of the gap.

[0010] Optionally, a second limiting ring groove is formed on the inner side surface of the lower portion of the groove, and a second limiting ring block is fixedly connected to the outer surface of the connecting block, and the second limiting ring block slides in the second limiting ring groove.

[0011] Optionally, the number of the movable seat, the servo motor, the rotating shaft, the first gear, the connecting block, the driving motor, the drill chuck and the drill bit is twelve, and each first gear is meshed and connected with the gear plate.

[0012] (III) Beneficial effects

[0013] The utility model provides a circumferentially non-uniformly distributed twelve-hole group drill, which has the following beneficial effects:

[0014] 1. The circumferentially non-uniformly distributed twelve-hole group drill, through the arrangement of the outer cover, the gear plate, the movable seat, the servo motor, the rotating shaft and the first gear, makes the circumferentially non-uniformly distributed twelve-hole group drill have the effect of facilitating the adjustment of the position of each drill bit. When in use, according to the drilling requirements, the twelve servo motors are controlled, and the position of the drill bit on the circumference is changed by the servo motor. When adjusting, the rotating shaft is driven to rotate by the servo motor, and the rotating shaft drives the first gear to rotate. Since the first gear is engaged with the gear plate, as the first gear rotates, the first gear moves on the surface of the gear plate, and the servo motor, the connecting block, the driving motor, the drill clamp seat and the drill bit are driven to move together by the first gear. While moving, the first limiting ring groove on the lower surface of the movable seat slides in the first limiting ring block, and the second limiting ring block on the outer surface of the connecting block slides in the second limiting ring groove, which plays a role of limiting. By changing the position of the corresponding drill bit on the circumference, the staff can control the twelve servo motors one by one through the controller according to the drilling needs, which plays a role of facilitating the adjustment of the drilling position, and achieves the purpose of providing practicality of the group drill. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0016] Figure 2 It is a schematic diagram of the structure of the front section of the utility model;

[0017] Figure 3 For this utility model Figure 2 The structural diagram at A in the middle;

[0018] Figure 4 For this utility model Figure 2 Schematic diagram of the structure at B in the figure.

[0019] In the figure: 1. group drill seat; 2. connecting frame; 3. outer cover; 4. gap; 5. groove; 6. threaded hole; 7. threaded block; 8. gear plate; 9. movable seat; 10. first limit ring groove; 11. first limit ring block; 12. servo motor; 13. rotating shaft; 14. first gear; 15. connecting block; 16. second limit ring groove; 17. second limit ring block; 18. driving motor; 19. drill clamp seat; 20. drill bit. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] Example 1

[0022] See also Figures 1 to 4 The utility model provides a technical solution: a circumferentially non-uniformly distributed twelve-hole group drill, comprising a group drill seat 1, a connecting frame 2 is fixedly connected to the upper surface of the group drill seat 1, the number of connecting frames 2 is two, and they are symmetrically distributed, and an outer cover 3 is fixedly connected to the lower surface of the other side of the connecting frame 2, and the outer cover 3 is located on the outer side of the group drill seat 1. A groove 5 is opened on the lower surface of the group drill seat 1, and a threaded hole 6 is opened on the top surface of the groove 5. A threaded block 7 is threadedly connected to the surface of the threaded hole 6, and a gear plate 8 is fixedly connected to the lower surface of the threaded block 7. A gap 4 is set between the group drill seat 1 and the outer cover 3. There are two first limiting ring grooves 10 and first limiting ring blocks 11, which are arranged on both sides of the gap 4. The upper surfaces of the group drill seat 1 and the outer cover 3 are provided with first limiting ring grooves 10. The surfaces of the first limiting ring grooves 10 are slidably connected with the first limiting ring blocks 11. The upper surface of the first limiting ring blocks 11 is fixedly connected with the moving seat 9. The upper surface of the moving seat 9 is installed with a servo motor 12. The output end of the servo motor 12 is fixedly connected with a rotating shaft 13. The rotating shaft 13 passes through the gap 4. The lower end surface of the rotating shaft 13 is fixedly connected with a first gear 14. The surface of the first gear 14 is meshed with the gear plate 8 for transmission. The lower surface of the first gear 14 is rotatably connected with a connecting block 15 through a bearing. A second limiting ring groove 16 is provided on the inner side surface of the lower part of the groove 5, and a second limiting ring block 17 is fixedly connected to the outer surface of the connecting block 15, and the second limiting ring block 17 slides in the second limiting ring groove 16. A driving motor 18 is installed on the lower surface of the connecting block 15, and a drill chuck 19 is installed on the lower surface of the driving motor 18, and a drill bit 20 is installed on the lower surface of the drill chuck 19. The number of the moving seat 9, the servo motor 12, the rotating shaft 13, the first gear 14, the connecting block 15, the driving motor 18, the drill chuck 19 and the drill bit 20 are all twelve, and each first gear 14 is meshed and connected with the gear plate 8.

[0023] In order to achieve the purpose of providing practicality of group drilling, when in use, according to the drilling requirements, the twelve servo motors 12 are controlled, and the position of the drill bit 20 on the circumference is changed by the servo motor 12. When adjusting, the servo motor 12 drives the rotating shaft 13 to rotate, and the rotating shaft 13 drives the first gear 14 to rotate. Since the first gear 14 is engaged with the gear plate 8, as the first gear 14 rotates, the first gear 14 moves on the surface of the gear plate 8, and the servo motor 12, the connecting block 15, the driving motor 18, the drill clamp seat 19 and the drill bit 20 are driven by the first gear 14 to move together. While moving, the first limiting ring groove 10 on the lower surface of the moving seat 9 slides in the first limiting ring block 11, and the second limiting ring block 17 on the outer surface of the connecting block 15 slides in the second limiting ring groove 16, which plays a role of limiting. By changing the position of the corresponding drill bit 20 on the circumference, the staff can control the twelve servo motors 12 one by one through the controller according to the drilling needs, which plays a role of facilitating the adjustment of the drilling position, and achieves the purpose of providing practicality of group drilling.

[0024] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A circumferentially non-uniformly distributed twelve-hole group drill, comprising a group drill seat (1), characterized in that: The upper surface of the group drill seat (1) is fixedly connected to a connecting frame (2), the lower surface of the other side of the connecting frame (2) is fixedly connected to an outer cover (3), the outer cover (3) is located outside the group drill seat (1), the lower surface of the group drill seat (1) is provided with a groove (5), the top surface of the groove (5) is provided with a threaded hole (6), the surface of the threaded hole (6) is threadedly connected to a threaded block (7), the lower surface of the threaded block (7) is fixedly connected to a gear plate (8), a gap (4) is provided between the group drill seat (1) and the outer cover (3), the upper surfaces of the group drill seat (1) and the outer cover (3) are provided with a first limiting ring groove (10), the surface of the first limiting ring groove (10) is slidably connected to a first limiting ring block (11), The upper surface of the first limiting ring block (11) is fixedly connected to a moving seat (9), the upper surface of the moving seat (9) is mounted with a servo motor (12), the output end of the servo motor (12) is fixedly connected to a rotating shaft (13), the rotating shaft (13) passes through the gap (4), the lower end surface of the rotating shaft (13) is fixedly connected to a first gear (14), the surface of the first gear (14) is meshed with the gear plate (8) for transmission, the lower surface of the first gear (14) is rotatably connected to a connecting block (15) via a bearing, the lower surface of the connecting block (15) is mounted with a driving motor (18), the lower surface of the driving motor (18) is mounted with a drill chuck seat (19), and the lower surface of the drill chuck seat (19) is mounted with a drill bit (20).

2. The circumferentially non-uniformly distributed twelve-hole group drill according to claim 1, characterized in that: The number of the connecting frames (2) is two and they are symmetrically distributed.

3. The circumferentially non-uniformly distributed twelve-hole group drill according to claim 1, characterized in that: The number of the first limiting ring groove (10) and the first limiting ring block (11) is two, and they are arranged on both sides of the gap (4).

4. The circumferentially non-uniformly distributed twelve-hole group drill according to claim 1, characterized in that: A second limiting ring groove (16) is formed on the inner side surface of the lower portion of the groove (5); a second limiting ring block (17) is fixedly connected to the outer surface of the connecting block (15); and the second limiting ring block (17) slides in the second limiting ring groove (16).

5. The circumferentially non-uniformly distributed twelve-hole group drill according to claim 1, characterized in that: The number of the movable seat (9), the servo motor (12), the rotating shaft (13), the first gear (14), the connecting block (15), the driving motor (18), the drill chuck seat (19) and the drill bit (20) is twelve, and each first gear (14) is meshedly connected with the gear plate (8).

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