Externally-hung milling head of common vertical lathe

Abstract

The utility model discloses an external hanging milling head of a common vertical lathe, relates to the technical field of external hanging milling heads, and aims to solve the problem that the length of a milling cutter extending out of a chuck is fixed due to the fact that the position of an existing ejector pin is fixed and cannot be adjusted. The driving box is used for driving the chuck to rotate, a taper shank used for being connected with a vertical lathe is installed on the driving box, the end, away from the clamping jaw, of the chuck is in threaded connection with a jacking column, and one end of the jacking column abuts against the milling cutter.

Description

Technical Field

[0001] The utility model relates to the technical field of external milling heads, in particular to an external milling head for a common vertical lathe. Background Art

[0002] Vertical lathes are usually equipped with external milling heads to enable the workpiece to be milled on the machining platform of the vertical lathe, thereby enhancing the applicability of the lathe.

[0003] When the external milling head is milling a workpiece, it is usually necessary to feed in the direction of the workpiece. During the feeding process, the milling cutter will be subjected to the reaction force from the workpiece. Usually, the milling cutter is clamped and fixed by a chuck, that is, the limitation of the milling cutter along its length direction completely depends on the friction between the claw and the milling cutter. This also causes the milling cutter to easily move during the milling process, seriously affecting the milling accuracy.

[0004] In order to solve the above problem, the prior art installs a ejector pin on the chuck, and uses the ejector pin to tighten the milling cutter, thereby preventing the reaction force of the workpiece from affecting the milling cutter during milling. However, the ejector pin installed in the prior art is usually fixed, which results in a fixed length of the milling cutter extending out of the chuck. If deeper milling is required, it cannot be satisfied. Utility Model Content

[0005] In order to solve the above problem, that is, the existing ejector pin position is fixed and cannot be adjusted, resulting in the problem that the length of the milling cutter extending out of the chuck is fixed, the utility model proposes an ordinary vertical lathe external milling head, which includes a chuck, the chuck is installed on a drive box, the drive box is used to drive the chuck to rotate, the drive box is equipped with a tapered shank for connecting to the vertical lathe, the end of the chuck away from the claw is threadedly connected to a ejector column, one end of which is tightly pressed against the milling cutter.

[0006] The utility model is further configured as follows: the end of the top column extending out of the chuck is configured as a rectangle.

[0007] The utility model is further configured as follows: one end of the top column close to the milling cutter is configured as a cone.

[0008] The beneficial effects of the utility model are:

[0009] By connecting the top column to the chuck thread, the top column can be moved up and down. When the extension length of the milling cutter needs to be adjusted, the milling cutter can be tightened by rotating the top column and adjusting its position, thereby satisfying the change in the extension length of the milling cutter. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 The utility model is shown in the structural diagram.

[0011] Figure 2 A cross-sectional view along the AA direction is shown.

[0012] Figure numerals: 1. chuck; 2. drive box; 3. taper shank; 4. ejector pin; 5. milling cutter. DETAILED DESCRIPTION

[0013] The preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only used to explain the technical principles of the present invention and are not intended to limit the protection scope of the present invention.

[0014] The utility model proposes an ordinary vertical lathe external milling head, including a chuck 1. The three-jaw chuck 1 is taken as an example for explanation in this application. The chuck 1 is installed on a drive box 2. The chuck 1 is rotatably connected to the drive box 2. A drive device is installed in the drive box 2 to drive the chuck 1 to rotate. It should be noted that driving the chuck 1 to rotate by cooperating with a transmission mechanism through a drive device is a prior art, so it will not be repeated here.

[0015] A tapered handle 3 for connecting to a vertical lathe is installed on the upper surface of the driving box 2, so that the driving box 2 and the chuck 1 can be externally mounted on the vertical lathe.

[0016] The end of the chuck 1 facing away from the claw is threadedly connected with a push column 4, one end of the push column 4 extends into the chuck 1, and the other end of the push column 4 is arranged on the outside of the chuck 1. The end of the push column 4 extending into the chuck 1 is configured to be conical and is pressed tightly against the milling cutter 5, and the other end of the push column 4 is configured to be rectangular, that is, it can be rotated using a wrench.

[0017] When the milling cutter 5 is working, the reaction force of the workpiece on the milling cutter 5 can be offset by the top column 4, thereby ensuring that the position of the milling cutter 5 will not move during the milling operation, thereby ensuring the processing accuracy. At the same time, by rotating the top column 4, the length of the top column 4 can be adjusted, and when it is necessary to adjust the extension length of the milling cutter 5, the top column 4 can also be adjusted accordingly, so that the top column 4 can always be tightly pressed against the milling cutter 5.

[0018] In summary, the utility model can move the push column 4 up and down by threading the push column 4 with the chuck 1. When the extension length of the milling cutter 5 needs to be adjusted, the milling cutter 5 can be tightened by rotating the push column 4 and adjusting the position of the push column 4, thereby satisfying the change in the extension length of the milling cutter 5.

[0019] Although the present invention has been described with reference to preferred embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, the various technical features mentioned in the various embodiments may be combined in any manner as long as there is no structural conflict. The present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

[0020] In the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for the convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0021] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0022] The term "comprise" or any other similar term is intended to cover a non-exclusive inclusion, such that a process, article, or apparatus / device that includes a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, article, or apparatus / device.

[0023] So far, the technical solution of the present invention has been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it is easy for those skilled in the art to understand that the protection scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.

Claims

1. A common vertical lathe external milling head, comprising a chuck (1), the chuck (1) being mounted on a drive box (2), the drive box (2) being used to drive the chuck (1) to rotate, the drive box (2) being mounted with a tapered shank (3) for connecting to a vertical lathe, characterized in that: One end of the chuck (1) facing away from the clamping claw is threadedly connected to a push column (4), and one end of the push column (4) is tightly pressed against the milling cutter (5).

2. The common vertical lathe external milling head according to claim 1, characterized in that: The end of the top column (4) extending out of the chuck (1) is configured to be rectangular.

3. The common vertical lathe external milling head according to claim 1 is characterized in that: One end of the top column (4) close to the milling cutter (5) is configured to be conical.

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