CN111069923A

CN111069923A - Drilling device for high-speed machine tool

Info

Publication number: CN111069923A
Application number: CN201811225087.7A
Authority: CN
Inventors: 程增源
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-10-20
Filing date: 2018-10-20
Publication date: 2020-04-28

Abstract

The invention discloses a drilling device for a high-speed machine tool, which comprises a supporting mechanism, a power mechanism, a feeding mechanism and a drilling mechanism. The supporting mechanism comprises a trapezoidal support and a mounting bracket fixed on one side of the trapezoidal support; the feeding mechanism comprises a sliding table arranged on one side of the mounting bracket and a connecting block fixed on one side of the sliding table; the drilling mechanism comprises a main shaft inserted into the inner hole of the mounting bracket, a first gear mounted at one end of the main shaft and a power head mounted at the other end of the main shaft; the power mechanism comprises a motor fixed on the connecting block and a second gear arranged on an output shaft of the motor. The invention relates to a drilling device for a high-speed machine tool, which has the freedom degrees in the horizontal direction and the vertical direction, ensures the stability and improves the processing precision.

Description

Drilling device for high-speed machine tool

Technical Field

The invention relates to the field of machine tools, in particular to a drilling device for a high-speed machine tool.

Background

The drilling device is a general term of equipment for processing holes in solid materials, and common drilling devices comprise electric drills, drilling machines and the like. With the further development of the machining process, the efficiency of the drilling device is greatly improved. The drilling apparatus may be used for drilling, reaming and reaming. Common drilling equipment is a drilling machine which can be divided into an upright drilling machine, a horizontal drilling machine, a bench drilling machine, a rocker arm type drilling machine and a deep hole drilling machine according to purposes and structural classification. In the machining process of the drilling machine, the workpiece is fixed, the cutter moves, the center of the cutter is aligned with the center of the hole, and the cutter rotates. In the prior art, drilling equipment usually has only one degree of freedom in a feeding direction, and the position of drilling is determined by the movement of the position of a workpiece, so that the flexibility of the drilling equipment is poor, and the processing precision cannot be guaranteed.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the utility model provides a high-speed drilling equipment for lathe through setting up supporting mechanism, power unit, feed mechanism and drilling mechanism for this equipment has the degree of freedom of horizontal direction and vertical direction simultaneously, has improved the machining precision when guaranteeing stability, has solved the drilling equipment that exists among the prior art and has only the degree of freedom of a direction of feed usually, has leaded to the flexibility ratio of drilling equipment relatively poor, and the machining precision can not obtain the problem of guaranteeing.

In order to achieve the purpose, the invention provides the following technical scheme: a drilling device for a high-speed machine tool comprises a supporting mechanism, a power mechanism, a feeding mechanism and a drilling mechanism.

Wherein, supporting mechanism includes: the device comprises a trapezoidal support and a mounting bracket fixed on one side of the trapezoidal support;

the feeding mechanism includes: the sliding table is arranged on one side of the mounting bracket, and the connecting block is fixed on one side of the sliding table;

the drilling mechanism includes: the main shaft is inserted into the inner hole of the mounting bracket, the first gear is mounted at one end of the main shaft, and the power head is mounted at the other end of the main shaft;

the power mechanism comprises: the motor is fixed on the connecting block, and the second gear is mounted on the output shaft of the motor.

In a further embodiment, the sliding table is a cross sliding table, and comprises an X-axis linear sliding table, a Y-axis linear sliding table fixed on the X-axis linear sliding table, and a servo motor for controlling the sliding table, and is used for controlling the drilling mechanism fixed on the sliding table to move along the horizontal direction and the vertical direction.

In a further embodiment, the main shaft is connected with the power head through a coupling, and the coupling is used for transmitting the high-speed rotation of the main shaft to the power head.

In a further embodiment, a pair of bearings are arranged at the inner wall of the inner hole of the mounting bracket and positioned at two ends of the main shaft, and are used for centering the main shaft and providing high-speed smooth movement.

In a further embodiment, a belt is connected between the first gear and the second gear for transmitting the motion of the motor output shaft to the main shaft.

In a further embodiment, a locking head is installed at one end of the power head, and a drill bit is installed and clamped on the locking head and used for centering, installing and clamping the drill bit.

In a further embodiment, the locking head comprises a lock head base, a screwing sleeve mounted on the lock head base, and a self-locking chuck mounted on the screwing sleeve for accommodating drill bits of different sizes.

The invention has the beneficial effects that: through integrated supporting mechanism, power unit, feed mechanism and drilling mechanism, wherein feed mechanism is including installing at the slip table of aforementioned installing support one side and fixing the connecting block of slip table one side, the slip table is the cross slip table, includes X axle sharp slip table, fixes Y axle sharp slip table and control on the X axle sharp slip table the servo motor of slip table for the drilling mechanism that the control was fixed on the slip table moves along horizontal direction and vertical direction. The device is different from the solution that the cutter is only responsible for feeding and the position is determined by a workpiece in the prior art, so that the device has the freedom degrees in the horizontal direction and the vertical direction at the same time, and the processing precision is improved while the stability is ensured.

Drawings

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

fig. 2 is a perspective view of the locking head of the present invention;

figure 3 is a top plan view of the locking head of the present invention;

the figures are numbered: the automatic locking device comprises a trapezoidal support 1, a mounting bracket 2, a spindle 3, a coupler 4, a drill bit 5, a locking head 6, a locking head base 601, a screwing sleeve 602, a self-locking chuck 603, locking teeth 604, a power head 7, a bearing 8, a sliding table 9, a connecting block 10, a motor 11, a second gear 12, a belt 13 and a first gear 14.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1, the present invention provides a technical solution: a drilling device for a high-speed machine tool comprises a supporting mechanism, a power mechanism, a feeding mechanism and a drilling mechanism. Wherein, supporting mechanism includes: the device comprises a trapezoidal support 1 and a mounting bracket 2 fixed on one side of the trapezoidal support 1; the feeding mechanism includes: a sliding table 9 arranged on one side of the mounting bracket 2 and a connecting block 10 fixed on one side of the sliding table 9; the drilling mechanism includes: the main shaft 3 is inserted into the inner hole of the mounting bracket 2, the first gear 14 is mounted at one end of the main shaft 3, and the power head 7 is mounted at the other end of the main shaft 3; the power mechanism comprises: a motor 11 fixed on the connecting block 10 and a second gear 12 arranged on the output shaft of the motor 11.

The specific working principle is as follows: the trapezoidal support 1 is used for erecting the whole drilling device and is arranged on a machine tool, and the purpose of the trapezoidal support 1 is that the trapezoid has stability and can effectively support the whole drilling device. The mounting bracket 2 is erected on the trapezoidal support 1, a sliding table 9 is fixed on the mounting bracket 2, the sliding table 9 is a cross sliding table 9 and comprises an X-axis linear sliding table 9, a Y-axis linear sliding table 9 fixed on the X-axis linear sliding table 9 and a servo motor 11 for controlling the drilling mechanism fixed on the sliding table 9 to move along the horizontal direction and the vertical direction. The hole is equipped with main shaft 3 in aforementioned installing support 2, first gear 14 is installed to the one end of main shaft 3, and unit head 7 is installed to the other end, locking head 6 is installed to the one end of unit head 7, the installation is pressed from both sides tightly to have drill bit 5 on the locking head 6 for centering, installation, clamp drill bit 5, locking head 6 includes tapered end base 601, installs tight cover 602 soon on the tapered end base 601 and install the auto-lock chuck 603 on the tight cover 602 soon for adapt to not unidimensional drill bit 5. A connecting block 10 is fixed on one side of the sliding table 9, a motor 11 is fixed on the connecting block 10, a second gear 12 is sleeved on an output shaft of the motor 11, and a belt 13 is sleeved between the second gear 12 and the first gear 14. When needing to bore a hole, motor 11 circular telegram, the output shaft passes through second gear 12 and belt 13 with power biography first gear 14 to drive main shaft 3 high-speed rotatory, unit head 7 is connected with main shaft 3 through shaft coupling 4, and locking head 6 is used for centering and presss from both sides tight drill bit 5, and drill bit 5 high-speed rotation this moment. When the drill 5 reaches a certain rotating speed and then starts to position and punch required points, the servo motor 11 controls the movement of the cross sliding table 9 through a computer, and when the position is determined, the servo motor 11 drives the sliding table 9 to quickly descend to the surface of a workpiece, and then slowly descends according to a proper feeding speed until drilling is completed.

Under this embodiment, the present invention has the following beneficial effects: through integrated supporting mechanism, power unit, feed mechanism and drilling mechanism, wherein feed mechanism is including installing at the slip table 9 of aforementioned installing support 2 one side and fixing the connecting block 10 of slip table 9 one side, slip table 9 is cross slip table 9, includes X axle sharp slip table 9, fixes Y axle sharp slip table 9 and control on the X axle sharp slip table 9 servo motor 11 of slip table 9 for the drilling mechanism that control was fixed on slip table 9 moves along horizontal direction and vertical direction. The device is different from the solution that the cutter is only responsible for feeding and the position is determined by a workpiece in the prior art, so that the device has the freedom degrees in the horizontal direction and the vertical direction at the same time, and the processing precision is improved while the stability is ensured.

As noted above, while the present invention has been shown and described with reference to certain preferred embodiments, it is not to be construed as limited thereto. Various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A drilling device for a high-speed machine tool, comprising:

the supporting mechanism comprises a trapezoidal support and a mounting bracket fixed on one side of the trapezoidal support;

the feeding mechanism comprises a sliding table arranged on one side of the mounting bracket and a connecting block fixed on one side of the sliding table;

the drilling mechanism comprises a main shaft inserted into the inner hole of the mounting bracket, a first gear mounted at one end of the main shaft and a power head mounted at the other end of the main shaft;

and the power mechanism comprises a motor fixed on the connecting block and a second gear arranged on an output shaft of the motor.

2. The drilling device for a high-speed machine tool according to claim 1, characterized in that: the sliding table is a cross sliding table and comprises an X-axis linear sliding table, a Y-axis linear sliding table fixed on the X-axis linear sliding table and a servo motor for controlling the sliding table.

3. The drilling device for a high-speed machine tool according to claim 1, characterized in that: the main shaft is connected with the power head through a coupling.

4. The drilling device for a high-speed machine tool according to claim 1, characterized in that: and a pair of bearings is arranged at the inner wall of the inner hole of the mounting bracket and positioned at two ends of the main shaft.

5. The drilling device for a high-speed machine tool according to claim 1, characterized in that: a belt is connected between the first gear and the second gear.

6. The drilling device for a high-speed machine tool according to claim 1, characterized in that: the locking head is installed to the one end of unit head, the overhead installation of locking is pressed from both sides tightly there is the drill bit.

7. The drilling device for a high-speed machine tool according to claim 6, wherein: the locking head comprises a lock head base, a screwing sleeve arranged on the lock head base and a self-locking chuck arranged on the screwing sleeve.

8. The drilling device for a high-speed machine tool according to claim 7, wherein: and one end of the lock head base, which is close to the screwing sleeve, is provided with racks which are arranged circumferentially.