CN112846313A

CN112846313A - Drilling equipment

Info

Publication number: CN112846313A
Application number: CN202011644704.4A
Authority: CN
Inventors: 石有峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-05-28

Abstract

The invention provides drilling equipment which comprises a shell, a drill bit, a main shaft and auxiliary shafts, wherein the four auxiliary shafts are arranged on four sides of the main shaft, the front ends of the auxiliary shafts penetrate through holes to extend into an inner cavity and are respectively connected with a bevel gear at the front end of the main shaft for transmission, a telescopic rod of a telescopic cylinder is connected with an outer ring, a plurality of first balls are arranged between a first arc-shaped groove and a second arc-shaped groove, and the rear end of the auxiliary shaft is matched with a blind hole and can move in the blind hole. The rotary main shaft of the drilling machine drives four auxiliary shafts in meshing transmission with the rotary main shaft to rotate, the rear end of each auxiliary shaft is inserted into a blind hole of the connecting head, so that a drill bit also rotates when the auxiliary shafts rotate, and a plurality of first balls are arranged between the first arc-shaped grooves and the second arc-shaped grooves, so that the connecting head is driven to move when the outer ring moves, and the drill bit moves to drill.

Description

Drilling equipment

Technical Field

The invention relates to the field of machining, in particular to drilling equipment.

Background

In order to drill a workpiece in the current market, the workpiece is usually drilled through a drill bit, one drill bit is generally installed on one motor, and the next workpiece is drilled after drilling is completed, so that the efficiency is often lower.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides the drilling equipment which can drill a plurality of workpieces through one motor and improve the efficiency.

In order to achieve the purpose, the invention adopts the following technical scheme: a drilling device comprises a shell, a drill bit, a main shaft and auxiliary shafts, wherein the number of the drill bit and the number of the auxiliary shafts are 4, four auxiliary shafts are arranged on four sides of the main shaft, the shell is provided with an inner cavity, the shell is provided with a plurality of through holes, the front ends of the auxiliary shafts penetrate through the through holes to extend into the inner cavity and are respectively connected with a bevel gear at the front end of the main shaft for transmission, a motor is arranged in the inner cavity and is connected with the rear end of the main shaft, the outer wall of the shell is provided with a telescopic cylinder, a telescopic rod of the telescopic cylinder is connected with an outer ring, the inner wall of the outer ring is provided with an inner ring, the inner wall of the inner ring is provided with a circle of first arc-shaped groove, the drill bit is connected with a connector, the outer wall of the connector is provided with a circle of second arc-, the connector has the opening towards the blind hole of the rear end of countershaft, the blind hole inner wall is plum blossom shape inner wall, the rear end outer wall of countershaft have with the plum blossom shape outer wall of plum blossom shape inner wall looks adaptation, the rear end of countershaft with blind hole looks adaptation can remove in the blind hole, four the drill bit corresponds the work piece that needs drilling respectively.

Furthermore, a third arc-shaped groove is formed in the side face of the connector, a circle of flange is arranged on the inner wall of the outer ring, a fourth arc-shaped groove corresponding to the third arc-shaped groove is formed in the side face of the flange, a second ball is arranged between the third arc-shaped groove and the fourth arc-shaped groove, and the rear end of the auxiliary shaft penetrates through the flange and extends into the blind hole.

Further, the connector is located in the outer ring.

Compared with the prior art, the invention has the following beneficial effects: the motor drives the main shaft to rotate, the rotating main shaft drives four auxiliary shafts in meshing transmission with the main shaft to rotate, the rear end of each auxiliary shaft is inserted into a blind hole of the connecting head, so that the drill bit also rotates when the auxiliary shafts rotate, the telescopic cylinder is started simultaneously to drive the outer ring to move towards a workpiece when drilling is needed, the outer wall of the connecting head is provided with a circle of second arc-shaped groove corresponding to the first arc-shaped groove, a plurality of first balls are arranged between the first arc-shaped groove and the second arc-shaped groove, so that the connecting head is driven to move when the outer ring moves, the drill bit moves to drill holes, and the moving drill bit drills the workpiece corresponding to the moving drill holes.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

Fig. 1 is a schematic structural diagram of a drilling apparatus according to the present invention.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the functions of the invention clearer and easier to understand, the invention is further explained by combining the drawings and the detailed implementation mode:

the invention provides a drilling device, which comprises a shell 1, drill bits 2, a main shaft 3 and auxiliary shafts 4, wherein the number of the drill bits 2 and the auxiliary shafts 4 is 4, the four auxiliary shafts 4 are arranged on four sides of the main shaft 3, the four auxiliary shafts 4 are on the same plane, the main shaft 3 is perpendicular to the four auxiliary shafts 4, the shell 1 is provided with an inner cavity 7, the shell 1 is provided with a plurality of through holes 6, the inner diameter of each through hole 6 is equal to the outer diameter of the auxiliary shaft 4 so that the auxiliary shafts 4 can rotate in the through holes 6, every two through holes 6 are mutually corresponding and are positioned on the same straight line, the through holes 6 are uniformly distributed on the shell 1, the front ends of the auxiliary shafts 4 penetrate through the through holes 6 to extend into the inner cavity 7 and are respectively connected with a front end bevel gear of the main shaft 3 for transmission, the two ends of the auxiliary shafts 4 are respectively the front end of the auxiliary shafts 4 and the, the front end of the auxiliary shaft 4 is provided with a first bevel gear 5, the main shaft 3 is provided with the front end of the main shaft 3 and the rear end of the main shaft 3, the front end of the main shaft 3 is provided with a second bevel gear, four first bevel gears 5 are arranged around the second bevel gear and meshed with the second bevel gear, the outer diameter of the second bevel gear is larger than the outer diameter of the first bevel gear 5, so that the four first bevel gears 5 arranged around the second bevel gear are not affected by each other, the maximum outer diameter of the second bevel gear is larger than four times the outer diameter of the first bevel gear 5, a motor is arranged in the inner cavity 7, the motor is fixedly arranged in the inner cavity 7 through bolts, the motor is connected with the rear end of the main shaft 3, the outer wall of the shell 1 is provided with a telescopic cylinder, the shell 1 is a square shell, and the four side surfaces of the shell are respectively provided with, the telescopic cylinders on each side face are synchronously telescopic, telescopic rods of the telescopic cylinders are connected with an outer ring 8, the inner side of the outer ring 8 is close to the shell 1, the outer side of the outer ring 8 is far away from the shell 1 and is close to the drill bit 2, the telescopic rods are connected with the inner side of the outer ring 8, the inner wall of the outer ring 8 is provided with an inner ring, the inner ring is arranged on the inner wall of the outer side of the outer ring 8 in a surrounding manner, the inner wall of the inner ring is provided with a circle of first arc-shaped groove, the drill bit 2 is connected with a connector 9, the outer wall of the connector 9 is provided with a circle of second arc-shaped groove corresponding to the first arc-shaped groove, a plurality of first balls 10 are arranged between the first arc-shaped groove and the second arc-shaped groove, the first balls 10 and the second arc-shaped groove form a bearing structure, and the connecting line of the first arc-shaped groove, the rotation center of the drill bit 2 coincides with the centers of the inner ring and the outer ring 8, the center of a circle formed by the first balls 10 coincides with the rotation center of the drill bit 2, the connector 9 is provided with a blind hole with an opening towards the rear end of the auxiliary shaft 4, the inner wall of the blind hole is a quincunx inner wall, the outer wall of the rear end of the auxiliary shaft 4 is provided with a quincunx outer wall matched with the quincunx inner wall, the rear end of the auxiliary shaft 4 is matched with the blind hole and can move in the blind hole, the four drill bits 2 respectively correspond to workpieces to be drilled, the rear end of the auxiliary shaft 4 with the plum blossom-shaped outer wall is always positioned in the blind hole and is not contacted with the innermost inner wall of the blind hole, the connecting head 9 is positioned in the outer ring 8, the mutually corresponding center lines of the drill bit 2 and the auxiliary shaft 4 on each side of the shell 1 are on the same straight line, the outer diameter of the first ball 10 is equal to the inner diameter of the first arc-shaped groove and the second arc-shaped groove.

As a specific embodiment, in order to facilitate the movement of the drill bit 2 when the telescopic cylinder pushes the outer ring 8, a third arc-shaped groove is arranged on the side surface of the connector 9, a circle of flange is arranged on the inner wall of the outer ring 8, a fourth arc-shaped groove corresponding to the third arc-shaped groove is arranged on the side surface of the flange, a second ball 11 is arranged between the third arc-shaped groove and the fourth arc-shaped groove, the rear end of the auxiliary shaft 4 penetrates through the flange and extends into the blind hole, the third arc-shaped groove, the second ball 11 and the fourth arc-shaped groove which are positioned on the same side of the shell 1 are positioned on the same straight line and are parallel to the drill bit on the same side, the third arc-shaped groove, the second ball 11 and the fourth arc-shaped groove form a bearing structure, the outer diameter of the second ball 11 is equal to the inner diameter of the third arc-shaped groove and the fourth arc-shaped groove.

As a specific embodiment, the connector 9 is located inside the outer ring 8.

Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.

Claims

1. A drilling apparatus characterized by: the drill bit comprises a shell (1), drill bits (2), a main shaft (3) and auxiliary shafts (4), wherein the number of the drill bits (2) and the number of the auxiliary shafts (4) are 4, the four auxiliary shafts (4) are arranged on four sides of the main shaft (3), the shell (1) is provided with an inner cavity (7), the shell (1) is provided with a plurality of through holes (6), the front end of each auxiliary shaft (4) penetrates through the through holes (6) to extend into the inner cavity (7) and is respectively connected with a front-end bevel gear of the main shaft (3) for transmission, a motor is arranged in the inner cavity (7) and is connected with the rear end of the main shaft (3), the outer wall of the shell (1) is provided with a telescopic cylinder, a telescopic rod of the telescopic cylinder is connected with an outer ring (8), the inner wall of the outer ring (8) is provided with an inner ring, the inner wall of the inner ring is provided with a, connector (9) outer wall have the round with the corresponding second arc recess of first arc recess, first arc recess with be equipped with a plurality of first balls (10) between the second arc recess, connector (9) have the opening court the blind hole of the rear end of countershaft (4), the blind hole inner wall is quincunx inner wall, the rear end outer wall of countershaft (4) have with the plum blossom outer wall of quincunx inner wall looks adaptation, the rear end of countershaft (4) with blind hole looks adaptation can remove in the blind hole, four drill bit (2) correspond the work piece that needs drilling respectively.

2. A drilling apparatus according to claim 1, wherein: the connector (9) side is equipped with third arc recess, outer ring (8) inner wall has the round flange, the flange side be equipped with the corresponding fourth arc recess of third arc recess, third arc recess with be equipped with second ball (11) between the fourth arc recess, the rear end of countershaft (4) is passed the flange stretches into the blind hole.

3. A drilling apparatus according to claim 1, wherein: the connector (9) is positioned in the outer ring (8).