CN213701845U

CN213701845U - Drilling machine double-drill-bit structure for drilling speed reducer shell

Info

Publication number: CN213701845U
Application number: CN202022180140.5U
Authority: CN
Inventors: 李辉; 徐敏; 孟毅
Original assignee: Shandong Changzheng Machinery Equipment Manufacturing Co ltd
Current assignee: Shandong Changzheng Machinery Equipment Manufacturing Co ltd
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2021-07-16
Anticipated expiration: 2030-09-28

Abstract

The utility model belongs to the technical field of mechanical equipment, concretely relates to drilling machine double-drill bit structure for speed reducer casing drilling, which comprises a main shaft, wherein the end of the main shaft is connected with a gear shaft, a driving gear is arranged on the gear shaft, the driving gear drives a drill spindle I and a drill spindle II through a driven gear I and a driven gear II which are meshed with each other, and the drill spindle I and the drill spindle II are respectively connected with a drill bit I and a drill bit II; the gear shaft, the driving gear, the driven gear I, the driven gear II, the drill shaft I and the drill shaft II are arranged in the circular base. A two drill bit structures of drilling machine for speed reducer housing drilling, structural design is ingenious, but two drilling of pitch-row are markd to the shaping simultaneously, machining efficiency is high, and the distance between two holes can be adjusted through the distance of adjusting between two drill bits, make same batch of product identity good, the machining precision is high, product quality improves.

Description

Drilling machine double-drill-bit structure for drilling speed reducer shell

Technical Field

The utility model relates to a two drill bit structures of drilling machine for drilling of speed reducer casing belongs to mechanical equipment technical field.

Background

The hard tooth surface reducer is widely applied to the fields of metallurgy, mines, hoisting, transportation, cement, construction, chemical industry, textile, printing and dyeing, pharmacy and the like. A hard tooth surface reduction gear is a power transmission mechanism that uses a gear speed converter to reduce the number of revolutions of a motor to a desired number of revolutions and obtain a large torque. In the process of machining the hard tooth surface speed reducer, drill holes on the shell are positioned and then sequentially formed through a drilling machine, but the problems of low precision, low machining efficiency and the like exist for the drill holes with calibrated pitch.

SUMMERY OF THE UTILITY MODEL

According to the not enough among the above prior art, the utility model discloses the technical problem who solves is: the defects of the prior art are overcome, and the drilling machine double-drill-bit structure for drilling the speed reducer shell is provided, so that the forming precision is high and the machining efficiency is high for the drilling of the calibrated pitch.

The utility model discloses a two drill bit structures of drilling machine for speed reducer housing drilling, including the main shaft, the gear shaft is connected to the main shaft end, is equipped with the driving gear on the gear shaft, and the driving gear drives drill spindle I and drill spindle II through driven gear I and driven gear II that mesh mutually, and drill spindle I and drill spindle II connect drill bit I and drill bit II respectively; the gear shaft, the driving gear, the driven gear I, the driven gear II, the drill shaft I and the drill shaft II are arranged in the circular base.

The main shaft drives the gear shaft to rotate, and the gear shaft drives the driving gear which is coaxially connected with the gear shaft to rotate, so that two driven gears, namely the driven gear I and the driven gear II, are driven to rotate, the drill shaft I and the drill shaft II, and the drill bit I and the drill bit II are driven to rotate, and the drilling operation is completed.

Circular base from last to including base I, base II, base III, base IV, step down, be equipped with the movable port on the base I, be equipped with bolster bearing housing in the movable port, it is fixed by the bearing II who sets up between step up and base III to bore axle II, be equipped with the circular arc groove on base I and the base IV, it can rotate with circular base axis at the circular arc inslot to bore axle II. When the drill spindle II rotates in the circular arc groove by using the central axis of the circular base, the bearing II, the upper bearing seat and the base III simultaneously rotate within a limited range, so that the distance between the two drill bits I and the drill bit II can be adjusted, and the application range is wider.

Preferably, the driving gear, the driven gear I and the driven gear II are helical gears. The helical gear has stable transmission and small impact, vibration and noise.

Compared with the prior art, the utility model beneficial effect who has is:

a two drill bit structures of drilling machine for speed reducer housing drilling, structural design is ingenious, but two drilling of pitch-row are markd to the shaping simultaneously, machining efficiency is high, and the distance between two holes can be adjusted through the distance of adjusting between two drill bits, make same batch of product identity good, the machining precision is high, product quality improves.

Drawings

FIG. 1 is a schematic sectional view of the present invention;

fig. 2 is one of the schematic three-dimensional structures of the present invention;

fig. 3 is a second schematic perspective view of the present invention.

In the figure: 1. a main shaft; 2. a main shaft bearing; 3. a driven gear I; 4. a base I; 5. a base II; 6. a base III; 7. A base IV; 8. a lower bearing seat; 9. a bearing I; 10. a drill shaft I; 11. a drill bit I; 12. a gear shaft; 13. a driving gear; 14. a bearing II; 15. an upper bearing seat; 16. a driven gear II; 17. a drill shaft II; 18. a drill bit II; 19. an arc groove; 20. a movable opening.

Detailed Description

The invention will be further described with reference to the following examples:

as shown in fig. 1-3, the utility model discloses a two drill bit structures of drilling machine for speed reducer housing drilling, including main shaft 1, main shaft 1 end connection gear shaft 12 is equipped with driving gear 13 on the gear shaft 12, and driving gear 13 is through engaged with driven gear I3 and driven gear II16, drive drill arbor I10 and drill arbor II17, and drill arbor I10 and drill arbor II17 are connected drill bit I11 and drill bit II18 respectively; the gear shaft 12, the driving gear 13, the driven gear I3, the driven gear II16, the drill shaft I10 and the drill shaft II17 are arranged in the circular base.

The circular base comprises a base I4, a base II5, a base III6, a base IV7 and a lower bearing seat 8 from top to bottom, wherein a movable opening 20 is formed in the base I4, and an upper bearing seat 15 is arranged in the movable opening 20. The main shaft 1 is fixed by a main shaft bearing 2, the drill shaft I is fixed by a bearing I9 arranged between a base IV7 and a lower bearing seat 8, the drill shaft II17 is fixed by a bearing II14 arranged between an upper bearing seat 15 and a base III6, arc grooves 19 are arranged on the base I4 and the base IV7, and the drill shaft II17 can rotate in the arc grooves 19 by the central axis of a circular base.

The drive gear 13, the driven gear I3, and the driven gear II16 of the present embodiment are helical gears.

The main shaft 1 drives the gear shaft 12 to rotate, the gear shaft 12 drives the driving gear 13 coaxially connected with the gear shaft 12 to rotate, so that two driven gears, namely a driven gear I3 and a driven gear II16, are driven to rotate, the drill shaft I10, the drill shaft II17, the drill bit I11 and the drill bit II18 are driven to rotate, and the drilling operation is completed. When the drill spindle II17 rotates in the circular arc groove 19 by the central axis of the circular base, the bearing II14, the upper bearing seat 15 and the base III6 rotate within a limited range at the same time, so that the distance between the two drills I11 and II18 can be adjusted, and the application range is wider. The utility model discloses but two drilling of pitch-row are markd to simultaneous shaping, machining efficiency is high, and the distance between two holes can be adjusted through adjusting the distance between two drill bits.

Claims

1. The utility model provides a two drill bit structures of drilling machine for speed reducer casing drilling which characterized in that: the drilling machine comprises a main shaft (1), wherein the tail end of the main shaft (1) is connected with a gear shaft (12), a driving gear (13) is arranged on the gear shaft (12), the driving gear (13) drives a drilling shaft I (10) and a drilling shaft II (17) through a driven gear I (3) and a driven gear II (16) which are meshed with each other, and the drilling shaft I (10) and the drilling shaft II (17) are respectively connected with a drill bit I (11) and a drill bit II (18); the gear shaft (12), the driving gear (13), the driven gear I (3), the driven gear II (16), the drill shaft I (10) and the drill shaft II (17) are arranged in the circular base.

2. The drilling machine double bit structure for speed reducer housing drilling of claim 1 wherein: circular base from last to including base I (4) down, base II (5), base III (6), base IV (7), step (8), be equipped with movable mouthful (20) on base I (4), be equipped with bolster bearing housing (15) in movable mouthful (20), it is fixed by bearing II (14) that set up between last bearing housing (15) and base III (6) to bore axle II (17), be equipped with circular arc groove (19) on base I (4) and base IV (7), it can rotate with circular base axis in circular arc groove (19) to bore axle II (17).

3. The drilling machine double bit structure for speed reducer housing drilling of claim 1 wherein: the driving gear (13), the driven gear I (3) and the driven gear II (16) are helical gears.