CN219336089U

CN219336089U - Drilling machine convenient to change drill bit

Info

Publication number: CN219336089U
Application number: CN202320881454.9U
Authority: CN
Inventors: 姜兆军; 朱振华; 周政民; 蒋南宁
Original assignee: Anshan Xuanhao Environmental Protection Technology Co ltd
Current assignee: Anshan Xuanhao Environmental Protection Technology Co ltd
Priority date: 2023-04-19
Filing date: 2023-04-19
Publication date: 2023-07-14
Anticipated expiration: 2033-04-19

Abstract

The utility model discloses a drilling machine convenient for replacing a drill bit, which relates to the technical field of drilling machines and comprises a base, wherein an upright post is fixedly arranged on the base, a turntable is rotatably arranged on the upright post, through holes are uniformly distributed at the edge of the turntable, a lifting sleeve is slidably connected in each through hole, a rotating shaft is rotatably arranged in the lifting sleeve, a drill chuck is fixedly arranged at the lower end of the rotating shaft, a driven butt joint is fixedly arranged at the upper end of the rotating shaft, a sliding sleeve is slidably connected above the turntable on the upright post, an extension rod is fixedly arranged at one side of the sliding sleeve, a power box is fixedly arranged at one side of the extension rod, and a driving butt joint matched with the driven butt joint is arranged at the power output end of the power box.

Description

Drilling machine convenient to change drill bit

Technical Field

The utility model relates to the technical field of drilling machines, in particular to a drilling machine with a drill bit convenient to replace.

Background

A drilling machine is an indispensable machining device in a machining process, and refers to a machine tool for machining holes in a workpiece by using a drill bit, wherein the drilling machine usually mainly rotates the drill bit and axially moves the drill bit to perform feeding motion. The drilling machine has simple structure and relatively low machining precision, can drill through holes and blind holes, replace special cutters, and can perform machining such as expanding, reaming or tapping.

In the utility model patent with the publication number of CN210255207U, a drilling machine is disclosed, the drilling machine comprises a drilling machine body, a circle of groove is formed in the upper surface of a workbench of the drilling machine body, a swivel capable of rotating along the center is arranged in the groove, at least two lifting driving devices are uniformly fixed on the swivel, the upper ends of the lifting driving devices are connected with transverse driving devices, transverse chucks are connected to the transverse driving devices, a workpiece clamping carrier is further arranged on the upper surface of the workbench of the drilling machine body, and the workpiece clamping carrier is positioned in the middle of the groove. When the device is used, the lifting driving device can send the transverse driving device to the height to be clamped by a workpiece, and then the transverse driving device pushes the chuck to transversely move to clamp the workpiece, so that the workpiece is clamped up and down, the workpiece is not easy to shake in the processing process, and the processing precision is high; because the shape of the workpiece is different, the swivel is arranged to be rotatable for better avoiding the workpiece, so that the swivel is better suitable for workpieces with various shapes and has good adaptability.

However, most of the existing drilling machines can only be assembled with one drill bit, and when a plurality of holes with different specifications are machined on a part, the drill bit needs to be replaced frequently, so that the working efficiency is reduced, and the labor intensity of workers is improved.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model provides a drilling machine with a drill bit convenient to replace.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a drilling machine convenient to change drill bit, includes the base, fixedly is provided with the stand on the base, it is provided with the carousel to rotate on the stand, carousel edge evenly distributed everywhere through-hole, every equal sliding connection has the lift cover in the through-hole, the lift cover rotation is provided with the pivot, the fixed drill chuck that is provided with of lower extreme of pivot, the fixed driven butt joint that is provided with in pivot upper end, be located on the stand carousel top sliding connection has the sliding sleeve, sliding sleeve one side is fixedly provided with extension rod, extension rod one side is fixedly provided with the headstock, the power take off end of headstock be equipped with driven butt joint assorted initiative butt joint, the extension rod is connected with lift drive assembly.

Preferably, the lifting driving assembly comprises a pair of fixing blocks fixedly arranged on one side of the upright post, a pair of screw rods are rotatably arranged in the fixing blocks, the screw rods are screwed in the extension rods, and motors for driving the screw rods to rotate are fixedly arranged on the fixing blocks.

Preferably, the driven butt joint is provided with a groove on the upper end surface, the diameter of the groove is matched with that of the driving butt joint, the side wall of the driven butt joint is provided with a pair of L-shaped openings, and the side wall of the driving butt joint is fixedly provided with a pair of deflector rods.

Preferably, a boss is arranged on the outer side of the upper end of the lifting sleeve, a spring is sleeved on the outer side of the lifting sleeve, the upper end of the spring is abutted to the boss, and the lower end of the spring is abutted to the turntable.

Preferably, a supporting cylinder is sleeved outside the upright post, the upper end of the supporting cylinder is fixedly connected to the bottom of the turntable, and the lower end of the supporting cylinder is abutted to the base.

Preferably, four positioning holes are formed in the side wall of the supporting cylinder, a positioning groove is formed in one side of the upright post, one of the four positioning holes is inserted with a positioning pin, and the positioning pin is inserted into the positioning groove.

Advantageous effects

The utility model provides a drilling machine convenient for replacing a drill bit, which has the following beneficial effects:

the drill bit with different specifications can be clamped through the drill chucks, the drill bit can be connected with the power box through the butt joint of the driving butt joint and the driven butt joint, and the required drill bit can be rotated to the position below the driving butt joint through the rotating turntable of a worker, so that the switching of the drill bit is realized, the time for replacing the drill bit is reduced, the working efficiency is improved, and the labor intensity of workers is reduced.

Drawings

FIG. 1 is a front view of the present utility model;

FIG. 2 is a schematic diagram of the internal structure of the front view of the present utility model;

fig. 3 is an enlarged schematic view of a in fig. 2.

In the figure: 1. a base; 2. a column; 3. a turntable; 4. a lifting sleeve; 5. a rotating shaft; 6. a drill chuck; 7. a drill bit; 8. a driven abutment; 9. a sliding sleeve; 10. an extension rod; 11. a power box; 12. actively abutting the joint; 13. a support cylinder; 14. an L-shaped opening; 15. a deflector rod; 16. a boss; 17. a spring; 18. a fixed block; 19. a screw rod; 20. a motor; 21. a positioning groove; 22. positioning holes; 23. and (5) positioning pins.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: the drilling machine comprises a base 1, wherein an upright post 2 is fixedly arranged on the base 1, a rotary table 3 is rotatably arranged on the upright post 2, through holes are uniformly distributed at the edge of the rotary table 3, a lifting sleeve 4 is slidably connected in each through hole, a rotating shaft 5 is rotatably arranged in the lifting sleeve 4, a drill chuck 6 is fixedly arranged at the lower end of the rotating shaft 5, a driven butt joint 8 is fixedly arranged at the upper end of the rotating shaft 5, a sliding sleeve 9 is slidably connected above the rotary table 3 on the upright post 2, an extension rod 10 is fixedly arranged on one side of the sliding sleeve 9, a power box 11 is fixedly arranged on one side of the extension rod 10, a driving butt joint 12 matched with the driven butt joint 8 is arranged at the power output end of the power box 11, and a lifting driving assembly is connected to the extension rod 10; the lifting driving assembly comprises a pair of fixed blocks 18 fixedly arranged on one side of the upright post 2, a screw rod 19 is rotatably arranged in the pair of fixed blocks 18, the screw rod 19 is rotatably connected in the extension rod 10, and a motor 20 for driving the screw rod 19 to rotate is fixedly arranged on the fixed blocks 18; the upper end surface of the driven butt joint 8 is provided with a groove, the diameter of the groove is matched with that of the driving butt joint 12, the side wall of the driven butt joint 8 is provided with a pair of L-shaped openings 14, and the side wall of the driving butt joint 12 is fixedly provided with a pair of deflector rods 15; a boss 16 is arranged on the outer side of the upper end of the lifting sleeve 4, a spring 17 is sleeved on the outer side of the lifting sleeve 4, the upper end of the spring 17 is abutted against the boss 16, and the lower end of the spring 17 is abutted against the turntable 3; the outer side of the upright post 2 is sleeved with a supporting cylinder 13, the upper end of the supporting cylinder 13 is fixedly connected to the bottom of the turntable 3, and the lower end of the supporting cylinder 13 is abutted to the base 1; four positioning holes 22 are formed in the side wall of the supporting cylinder 13, a positioning groove 21 is formed in one side of the upright post 2, a positioning pin 23 is inserted into one of the four positioning holes 22, and the positioning pin 23 is inserted into the positioning groove 21.

All electric components in the scheme are connected with an adaptive power supply through wires by a person skilled in the art, and an appropriate controller is selected according to actual conditions so as to meet control requirements, specific connection and control sequences, and the electric connection is completed by referring to the following working principles in the working sequence among the electric components, wherein the detailed connection means are known in the art, and the following main description of the working principles and processes is omitted from the description of electric control.

The working principle and the using flow of the utility model are as follows: when in use, the drills 7 with different specifications are respectively arranged on the drill chuck 6, and a workpiece is fixed on the base 1; the starting motor 20 can rotate the lead screw 19, the extension rod 10, the sliding sleeve 9 and the power box 11 can axially move along the upright post 2 through the rotation of the lead screw 19, the driven butt joint 8 is connected with the driving butt joint 12 after the driving butt joint 12 descends, the deflector rod 15 is arranged in the L-shaped opening 14, the deflector rod 15 can be moved into the transverse opening of the L-shaped opening 14 after power is output through the power box 11, the rotating shaft 5 can be driven to rotate through the power box 11 after the connection is finished, so that the rotation of the drill bit 7 is realized, the lifting sleeve 4 can be driven to downwards move in the turntable 3 when the driving butt joint 12 continuously descends, and the rotating shaft 5 and the drill chuck 6 in the lifting sleeve 4 simultaneously downwards move, so that the drilling of a workpiece is realized; when the drill bit 7 needs to be switched, the driven butt joint 8 is reversely rotated, the deflector rod 15 is moved out of the transverse opening of the L-shaped opening 14, the motor 20 is started to enable the driving butt joint 12 to ascend, separation of the driving butt joint 12 and the driven butt joint 8 is achieved, the positioning pin 23 is pulled out of the positioning groove 21 and the positioning hole 22, the required drill bit 7 is rotated to the position below the driving butt joint 12 by a worker rotating the rotary table 3, then the positioning pin 23 passes through the positioning hole 22 and is inserted into the positioning groove 21, fixing of the supporting cylinder 13 is achieved, rotation of the rotary table 3 is prevented, and a workpiece can be prepared to be drilled after the driving butt joint 12 is connected with the driven butt joint 8; the spring 17 can raise the drill chuck 6 to prevent the drill bit 7 from scraping against the workpiece when the turntable 3 is rotated.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Drilling machine convenient to change drill bit, a serial communication port, including base (1), fixed being provided with stand (2) on base (1), rotate on stand (2) and be provided with carousel (3), carousel (3) edge evenly distributed everywhere through-hole, every equal sliding connection has lift sleeve (4) in the through-hole, lift sleeve (4) rotation is provided with pivot (5), the fixed drill chuck (6) that is provided with of lower extreme of pivot (5), pivot (5) upper end is fixed to be provided with driven butt joint head (8), be located on stand (2) carousel (3) top sliding connection has sliding sleeve (9), sliding sleeve (9) one side is fixed to be provided with extension rod (10), extension rod (10) one side is fixed to be provided with headstock (11), the power take off end of headstock (11) be equipped with driven butt joint head (8) assorted initiative butt joint head (12), extension rod (10) are connected with lift drive assembly.

2. The drilling machine facilitating bit replacement according to claim 1, wherein the lifting driving assembly comprises a pair of fixing blocks (18) fixedly arranged on one side of the upright post (2), a screw rod (19) is rotatably arranged in the pair of fixing blocks (18), the screw rod (19) is rotatably connected in the extension rod (10), and a motor (20) for driving the screw rod (19) to rotate is fixedly arranged on the fixing blocks (18).

3. The drilling machine convenient for bit replacement according to claim 1, wherein the upper end surface of the driven abutment (8) is provided with a groove, the diameter of the groove is matched with that of the driving abutment (12), a pair of L-shaped openings (14) are formed in the side wall of the driven abutment (8), and a pair of deflector rods (15) are fixedly arranged on the side wall of the driving abutment (12).

4. The drilling machine convenient for bit replacement according to claim 1, wherein a boss (16) is arranged on the outer side of the upper end of the lifting sleeve (4), a spring (17) is sleeved on the outer side of the lifting sleeve (4), the upper end of the spring (17) is abutted to the boss (16), and the lower end of the spring (17) is abutted to the rotary table (3).

5. The drilling machine convenient for bit replacement according to claim 1, wherein a supporting cylinder (13) is sleeved outside the upright post (2), the upper end of the supporting cylinder (13) is fixedly connected to the bottom of the rotary table (3), and the lower end of the supporting cylinder (13) is abutted to the base (1).

6. The drilling machine for facilitating bit replacement according to claim 5, wherein four positioning holes (22) are formed in the side wall of the supporting cylinder (13), a positioning groove (21) is formed in one side of the upright (2), a positioning pin (23) is inserted into one of the four positioning holes (22), and the positioning pin (23) is inserted into the positioning groove (21).