CN217394323U

CN217394323U - Horizontal milling head replacing device of gantry numerical control machining center

Info

Publication number: CN217394323U
Application number: CN202220865610.8U
Authority: CN
Inventors: 郁万欢; 宋桢
Original assignee: Henan Wanguo Intelligent Numerical Control Co ltd
Current assignee: Henan Wanguo Intelligent Numerical Control Co ltd
Priority date: 2022-04-13
Filing date: 2022-04-13
Publication date: 2022-09-09
Anticipated expiration: 2032-04-13

Abstract

The utility model relates to a technical field is changed to the cutter head, and discloses a device is changed to horizontal cutter head in longmen numerical control machining center, which comprises a mounting base, be provided with the fixed column on the mounting base, the middle part of mounting base is provided with horizontal cutter head, the upper end of horizontal cutter head is provided with the limiting plate, be provided with the mounting on the limiting plate, be provided with the installation head on the mounting, the upper end of fixed column is provided with clamping device. This horizontal cutter head of longmen numerical control machining center changes device, the telescopic link extension on controlling means control hydraulic telescoping device drives clamping device through withdrawal and fixes the cutter head, can carry out all-round clamp to the cutter head through setting up four fixed columns and fix, makes the cutter head be in stable state, avoids the machine in the course of the work, produces the vibration, causes the cutter head offset, influences the installation accuracy, has improved the installation accuracy of machine cutter head.

Description

Horizontal milling head replacing device of gantry numerical control machining center

Technical Field

The utility model relates to a technical field is changed to the cutter head, specifically is a horizontal cutter head of longmen numerical control machining center changes device.

Background

The gantry machining center is a machining center with a spindle axis perpendicular to the workbench and is mainly suitable for machining large parts. The milling head is arranged on the milling machine, is connected with the main shaft and is a machine tool accessory for driving the milling cutter to rotate. At present, when a gantry machining center machines a vertical surface of a part, a horizontal milling head needs to be installed, the horizontal milling head needs to be placed on a workbench, a main shaft flange of a machine tool is moved to a position right above the milling head, the main shaft flange is slowly close to an installation flange of the horizontal milling head, and finally a flange screw is tightened. Because the horizontal milling head and the main shaft are installed in a taper fit mode, when the difference between the taper central line of the inner hole of the main shaft and the central line of the taper handle of the horizontal milling head is large, the horizontal milling head is heavy, the horizontal milling head is prone to being clamped by self-centering installation of the two taper fits, the main shaft needs to be moved away, the horizontal milling head is manually moved, the two taper central lines are readjusted to be approximately coincident, then the main shaft is moved to be installed, if the clamping phenomenon still occurs, the main shaft needs to be repeatedly adjusted, and therefore installation is extremely difficult and time-consuming.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a horizontal cutter head of longmen numerical control machining center changes device.

(II) technical scheme

In order to solve the above problem, the utility model provides a following technical scheme: the horizontal milling head replacing device for the gantry numerical control machining center comprises a mounting base, wherein a fixing column is arranged on the mounting base, a horizontal milling head is arranged in the middle of the mounting base, a limiting plate is arranged at the upper end of the horizontal milling head, a fixing piece is arranged on the limiting plate, a mounting head is arranged on the fixing piece, and a clamping device is arranged at the upper end of the fixing column.

Preferably, the number of the fixed columns is four, the four fixed columns are arranged in a rectangular array mode, and the upper ends of the four fixed columns are in contact with the bottom of the limiting plate.

Preferably, the clamping device comprises a fixed seat, a hydraulic telescopic device is arranged on the fixed seat, a sliding groove is formed in the top of the fixed seat, and a telescopic end of the hydraulic telescopic device stretches to the inside of the sliding groove.

Preferably, the sliding groove is formed in a rectangular shape, a fixing rod is arranged on the inner side of the sliding groove, a clamping rod is arranged on the outer side of the fixing rod, and the lower end of the clamping rod is located inside the sliding groove and is fixedly connected with the telescopic end of the hydraulic telescopic device.

Preferably, the upper end of the clamping rod is provided with a fixing head, and the fixing head is arranged in a hemispherical shape.

Preferably, the bottom of limiting plate is seted up with fixed column upper end clamping device assorted mounting groove, hemispherical recess has been seted up in the outside of mounting groove, the hemispherical recess in the mounting groove outside and fixed head phase-match, the inboard phase-match of dead lever and mounting groove.

(III) advantageous effects

Compared with the prior art, the utility model provides a device is changed to horizontal cutter head of longmen numerical control machining center possesses following beneficial effect:

1. this horizontal cutter head of longmen numerical control machining center changes device, the telescopic link extension on controlling means control hydraulic telescoping device drives clamping device through withdrawal and fixes the cutter head, can carry out all-round clamp to the cutter head through setting up four fixed columns and fix, makes the cutter head be in stable state, avoids the machine in the course of the work, produces the vibration, causes the cutter head offset, influences the installation accuracy, has improved the installation accuracy of machine cutter head.

Drawings

FIG. 1 is a schematic structural view of a horizontal milling head replacing device of a gantry numerical control machining center of the present invention;

FIG. 2 is a schematic plane structure view of the horizontal milling head replacing device of the gantry numerical control machining center of the present invention;

fig. 3 is a schematic structural view of the clamping device of the present invention;

fig. 4 is an enlarged schematic structural view of a point a in fig. 2 according to the present invention.

In the figure: the milling machine comprises a mounting base 1, a horizontal milling head 2, a fixing column 3, a limiting plate 4, a fixing piece 5, a mounting head 6, a fixing seat 7, a hydraulic telescopic device 8, a clamping rod 9, a sliding groove 10, a fixing rod 11, a fixing head 12, a telescopic rod 13 and a mounting groove 14.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a new technical solution: a horizontal milling head replacing device of a gantry numerical control machining center comprises a mounting base 1, wherein a fixed column 3 is arranged on the mounting base 1, a horizontal milling head 2 is arranged in the middle of the mounting base 1, a limiting plate 4 is arranged at the upper end of the horizontal milling head 2, a fixing piece 5 is arranged on the limiting plate 4, a mounting head 6 is arranged on the fixing piece 5, and a clamping device is arranged at the upper end of the fixed column 3;

in this embodiment, the number of the fixing columns 3 is four, the four fixing columns 3 are arranged in a rectangular array, and the upper ends of the four fixing columns 3 are all in contact with the bottom of the limiting plate 4; specifically, the four fixing columns 3 can support the milling head, and the milling head is directly placed on the mounting base 1 due to the fact that the milling head is heavy, so that the milling head is easily damaged, and the use precision of the milling head is affected;

in this embodiment, the clamping device includes a fixed seat 7, a hydraulic telescopic device 8 is disposed on the fixed seat 7, a sliding groove 10 is disposed at the top of the fixed column 3, and a telescopic end of the hydraulic telescopic device 8 extends into the sliding groove 10;

in this embodiment, the sliding groove 10 is rectangular, a fixing rod 11 is disposed inside the sliding groove 10, a clamping rod 9 is disposed outside the fixing rod 11, and a lower end of the clamping rod 9 is located inside the sliding groove 10 and is fixedly connected to an expansion end of the hydraulic expansion device 8;

in this embodiment, the upper end of the clamping rod 9 is provided with a fixed head 12, and the fixed head 12 is in a hemispherical shape;

in this embodiment, the bottom of the limiting plate 4 is provided with a mounting groove 14 matched with the clamping device at the upper end of the fixing column 3, the outer side of the mounting groove 14 is provided with a hemispherical groove, the hemispherical groove at the outer side of the mounting groove 14 is matched with the fixing head 12, and the fixing rod 11 is matched with the inner side of the mounting groove 14.

The working principle is as follows: when the horizontal milling head replacing device of the gantry numerical control machining center needs to replace the milling head, the milling head needs to be placed on the mounting base 1, the mounting groove 14 formed in the lower end of the limiting plate 4 corresponds to the clamping devices at the upper ends of the fixing columns 3, the hydraulic telescopic devices 8 on the four fixing columns 3 are controlled to be started through the control device, the telescopic rods 13 on the hydraulic telescopic devices 8 are in an extending state, the clamping rods 9 and the fixing heads 12 are further enabled to move towards the inner sides of the sliding grooves 10, the inner sides of the clamping rods 9 are enabled to be in contact with the inner sides of the fixing rods 11, then the milling head is placed on the fixing columns 3, the clamping devices are located inside the mounting groove 14, finally the telescopic rods 13 on the hydraulic telescopic devices 8 are controlled to retract through the control device, the clamping rods 9 and the fixing heads 12 are driven to move towards the outer sides of the sliding grooves 10, and the fixing heads 12 are further enabled to be clamped with clamping grooves inside the mounting groove 14, thereby achieving the effect of fixing the milling head.

This embodiment passes through the telescopic link 13 extension and the withdrawal on the controlling means control hydraulic telescoping device 8 and drives clamping device and fix the cutter head, can carry out all-round clamp to the cutter head through setting up four fixed columns 3 and fix, makes the cutter head be in stable state, avoids the machine in the course of the work, produces the vibration, causes the cutter head offset, influences the installation accuracy, has improved the installation accuracy of machine cutter head.

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

Claims

1. The utility model provides a horizontal cutter head of longmen numerical control machining center changes device, includes mounting base (1), its characterized in that: the milling cutter is characterized in that fixing columns (3) are arranged on the mounting base (1), a horizontal milling head (2) is arranged in the middle of the mounting base (1), a limiting plate (4) is arranged at the upper end of the horizontal milling head (2), a fixing piece (5) is arranged on the limiting plate (4), a mounting head (6) is arranged on the fixing piece (5), and a clamping device is arranged at the upper end of each fixing column (3).

2. The horizontal milling head replacing device of the gantry numerical control machining center according to claim 1, characterized in that: the quantity of fixed column (3) is four, four fixed column (3) are the mode setting of rectangle array, four the upper end of fixed column (3) all contacts with the bottom of limiting plate (4).

3. The horizontal milling head replacing device of the gantry numerical control machining center according to claim 1, characterized in that: clamping device is including fixing base (7), be provided with hydraulic telescoping device (8) on fixing base (7), sliding tray (10) have been seted up at the top of fixed column (3), the flexible end of hydraulic telescoping device (8) is flexible to the inside of sliding tray (10).

4. The horizontal milling head replacing device of the gantry numerical control machining center according to claim 3, characterized in that: the hydraulic telescopic device is characterized in that the sliding groove (10) is formed in a rectangular shape, a fixing rod (11) is arranged on the inner side of the sliding groove (10), a clamping rod (9) is arranged on the outer side of the fixing rod (11), and the lower end of the clamping rod (9) is located inside the sliding groove (10) and is fixedly connected with the telescopic end of the hydraulic telescopic device (8).

5. The horizontal milling head replacing device of the gantry numerical control machining center according to claim 4, characterized in that: the upper end of the clamping rod (9) is provided with a fixed head (12), and the fixed head (12) is arranged in a hemispherical shape.

6. The horizontal milling head replacing device of the gantry numerical control machining center according to claim 4, characterized in that: the bottom of limiting plate (4) is seted up with fixed column (3) upper end clamping device assorted mounting groove (14), hemispherical recess has been seted up in the outside of mounting groove (14), hemispherical recess and fixed head (12) phase-match in mounting groove (14) outside, the inboard phase-match of dead lever (11) and mounting groove (14).