Numerical control gear edge milling machine

Abstract

The utility model provides a numerical control gear edge milling machine, and belongs to the technical field of machinery. The edge milling machine solves the problem that an existing edge milling machine is narrow in application range. The numerical control gear edge milling machine comprises a machine body and a stand column vertically arranged on the machine body, a sliding base capable of sliding up and down is arranged on the stand column, a base capable of rotating horizontally is arranged on the sliding base, the rotating axis of the base is horizontally arranged, a power head is obliquely arranged on one side of the base, a swing arm is arranged between the power head and the base, and the power head is fixed to the swing arm. The swing arm is rotationally connected with the base through a connecting structure so that the swing arm can rotate by 360 degrees and be locked at the rotating position, the rotating axis of the swing arm is horizontally arranged, and the rotating axis of the swing arm is perpendicular to the rotating axis of the base. The numerical control gear edge milling machine is wide in application range.

Description

Technical Field

[0001] The utility model belongs to the technical field of machinery and relates to an edge milling machine, in particular to a numerically controlled gear edge milling machine. Background Art

[0002] CNC gear milling machine is a CNC machine tool used for gear processing. Its main function is to mill the gear to achieve the required shape and precision.

[0003] Existing milling machines, such as a gear chamfering machine previously proposed by the applicant (application number: 202222947402.5), include a bed and a column vertically arranged on the bed, and slides are provided on adjacent sides of the column for up and down sliding movement, and slides are provided on both slides. Both slides are provided with bases for horizontal sliding movement, and the sliding directions of the two bases are perpendicular. Power heads are installed on both bases, and the slides have a horizontal center axis, and the extension direction of the horizontal center axis is perpendicular to the sliding direction of the corresponding base; the slide is rotatably connected to the corresponding slide so that the slide can rotate around its own horizontal center axis, and the slide can be removably locked in the rotation position by a locking component.

[0004] In the above-mentioned chamfering machine, the power head can only swing in a circular arc relative to the base connecting plate, the swing angle is limited, and the application range is narrow. Utility Model Content

[0005] The purpose of the utility model is to solve the above problems in the prior art and to provide a CNC gear edge milling machine with a wider application range.

[0006] The purpose of the utility model can be achieved through the following technical solutions: a CNC gear milling machine, including a bed and a column vertically arranged on the bed, a slide that can slide up and down is provided on the column, a base that can rotate horizontally is provided on the slide, and the rotation axis of the base is horizontally arranged, and a power head is inclined on one side of the base. It is characterized in that a swing arm is provided between the power head and the base, and the power head is fixed on the swing arm; the swing arm is rotatably connected to the base through a connecting structure so that the swing arm can rotate 360 ​​degrees and be locked in the rotation position, the rotation axis of the swing arm is horizontally arranged, and the rotation axes of the swing arm and the base are perpendicular to each other.

[0007] The power head can rotate 360 ​​degrees with the help of the swing arm, which effectively increases the swing range of the power head and forms a wider avoidance range, so as to match more types of parts and have a wider range of applications.

[0008] In the above-mentioned CNC gear milling machine, the above-mentioned swing arm is in a bar shape, and the power head and the connecting structure are respectively connected to the two ends of the swing arm to facilitate the rotation of the swing arm and facilitate adjustment.

[0009] In the above-mentioned CNC gear milling machine, the swing arm is pressed on the base, and the connection structure includes an annular groove formed on the side wall of the base, and the axial section of the annular groove is T-shaped, and a circle of T-shaped screws matching the annular groove is arranged in the annular groove. The swing arm is provided with a through hole along the axial direction of the annular groove, and a nut is pressed against the side of the swing arm facing away from the base. The through holes, nuts and T-shaped screws are the same in number and in one-to-one correspondence. The rod of the T-shaped screw passes through the corresponding through hole and is screwed into the corresponding nut. By turning the nut, the swing arm can be controlled to be in a locked or loose state, which is relatively convenient to operate.

[0010] In the above-mentioned CNC gear milling machine, the base includes a main body arranged on a slide, and an annular positioning groove and two forming rings are fixed on the side wall of the main body close to the swing arm. The positioning groove and the two forming rings are coaxially arranged to form the above-mentioned annular groove to facilitate design and assembly.

[0011] In the above-mentioned CNC gear milling machine, an inclined surface parallel to the power head is formed on the side wall of the swing arm, and the power head is installed on the inclined surface, which has the advantages of simple structure and convenient installation.

[0012] As another solution, in the above-mentioned CNC gear milling machine, the connection structure includes a motor fixed on the base, and the motor spindle is fixedly connected to the swing arm.

[0013] Compared with the existing technology, this CNC gear milling machine has the following advantages:

[0014] 1. The power head can rotate 360 ​​degrees with the help of the swing arm to effectively increase the swing range of the power head and form a wider avoidance range, so as to match more types of parts and have a wider range of applications.

[0015] 2. The swing arm can be locked or loosened by turning the nut, which is convenient to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional schematic diagram of a CNC gear milling machine.

[0017] Figure 2 It is a three-dimensional schematic diagram of the power head installation.

[0018] Figure 3 It is a cross-sectional diagram of the power head installation.

[0019] Figure 4 It is a schematic diagram of the structure of the base.

[0020] In the figure, 1, bed; 2, spindle box; 3, column; 4, slide; 5, base; 5a, round plate; 5a1, positioning hole; 5b, forming ring; 6, power head; 7, swing arm; 7a, inclined surface; 8, annular groove; 9, T-shaped screw; 10, nut; 11, bracket; 12, cylinder. DETAILED DESCRIPTION

[0021] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments. Embodiment 1

[0022] like Figure 1 As shown, the CNC gear milling machine includes a bed 1, a spindle box 2 installed on the bed 1, and a column 3 vertically arranged on the bed 1, and the axis of the spindle box 2 is vertically arranged.

[0023] Specifically,

[0024] The column 3 is arranged at the rear side of the spindle box 2, and the column 3 is connected to the bed 1 through a guide rail slider structure so that the column 3 can slide left and right. The bed 1 is also provided with a motor screw nut structure for driving the column 3 to automatically slide left and right, and the motor screw nut structure is a prior art and will not be described in detail here.

[0025] like Figure 1 and Figure 2 As shown, a slide 4 that can slide up and down is provided on the column 3, and in the actual product, the slide 4 is slidably connected to the column 3 through a guide rail slider structure, and the slide 4 is automatically raised and lowered by a motor screw nut structure arranged on the column 3.

[0026] A horizontally rotatable base 5 is provided at the front side of the slide 4, and the rotation axis of the base 5 is horizontally arranged. A power head 6 is obliquely arranged on one side of the base 5, and a swing arm 7 is arranged between the power head 6 and the base 5, and the power head 6 is fixed on the swing arm 7. The swing arm 7 is rotatably connected to the base 5 through a connecting structure so that the swing arm 7 can rotate 360 ​​degrees and lock in a rotating position. The rotation axis of the swing arm 7 is horizontally arranged, and the rotation axes of the swing arm 7 and the base 5 are perpendicular. Preferably, the swing arm 7 is in a strip shape, and the power head 6 and the connecting structure are respectively connected to the two ends of the swing arm 7 to facilitate the rotation of the swing arm 7 and facilitate adjustment.

[0027] The power head 6 can rotate 360 ​​degrees with the help of the swing arm 7 to effectively increase the swing range of the power head 6 and form a wider avoidance range, so as to match more types of parts and components and have a wider range of applications.

[0028] In this embodiment,

[0029] like Figure 2As shown, the installation method of the base 5 is as follows: the base 5 includes a vertically arranged circular plate 5a, and the rotation axis of the base 5 is the central axis of the circular plate 5a. A circle of positioning holes 5a1 is axially penetrated on the circular plate 5a, and the positioning holes 5a1 are in an arc shape coaxial with the circular plate 5a. The slide seat 4 is provided with threaded holes, and the threaded holes and the positioning holes 5a1 are the same in number and have a one-to-one corresponding position. A bolt is penetrated in each positioning hole 5a1, and the bolt rod is screwed into the corresponding threaded hole, so that the base 5 can be controlled to be in a locked or free state by loosening or tightening the bolt.

[0030] like Figures 2 to 4 As shown, the connection structure is as follows: the swing arm 7 is pressed on the base 5, and the connection structure includes an annular groove 8 formed on the side wall of the base 5, and the axial section of the annular groove 8 is T-shaped, and a circle of T-shaped screws 9 matching the annular groove 8 is arranged in the annular groove 8. The swing arm 7 is provided with a through hole along the axial direction of the annular groove 8, and a nut 10 is pressed against the side of the swing arm 7 facing away from the base 5. The through holes, nuts 10 and T-shaped screws 9 are the same in number and the positions correspond one to one. The rod of the T-shaped screw 9 passes through the corresponding through hole and is screwed into the corresponding nut 10. By turning the nut 10, the swing arm 7 can be controlled to be in a locked or loose state, which is convenient to operate. In the actual product, the number of through holes is 3.

[0031] like Figure 3 and Figure 4 As shown, the annular groove 8 is formed as follows: the base 5 includes a main body arranged on the slide 4, and the circular plate 5a is arranged on the main body. A circular positioning groove is provided on the side wall of the main body close to the swing arm 7, and two forming rings 5b are fixed thereto. The positioning groove and the two forming rings 5b are coaxially arranged to form the annular groove 8, so as to facilitate design and assembly. Preferably, the forming ring 5b is welded and fixed to the main body.

[0032] like Figure 2 and Figure 3 As shown, the power head 6 is in a strip shape, and a slope 7a parallel to the power head 6 is formed on the side wall of the swing arm 7, and the power head 6 is installed on the slope 7a, which has the advantages of simple structure and convenient installation.

[0033] In the actual product, there are two columns 3 and they are arranged side by side. Each column 3 is provided with the above-mentioned slide 4, base 5, swing arm 7 and power head 6, and the two power heads 6 are inclined in opposite directions. Further explanation, a bracket 11 is also provided between the two columns 3, and a top is slidably provided on the bracket 11 and a cylinder 12 for driving the top to rise and fall is fixed, and the top and the spindle box 2 are coaxially arranged to tighten the workpiece clamped by the spindle box 2. Embodiment 2

[0034] The structure and principle of the second embodiment are basically the same as those of the first embodiment, except that the connection structure includes a motor fixed on the base 5 , and the main shaft of the motor is fixedly connected to the swing arm 7 .

[0035] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

Claims

1. A CNC gear milling machine, comprising a bed (1) and a column (3) vertically arranged on the bed (1), a slide (4) which can slide up and down is arranged on the column (3), a base (5) which can rotate horizontally is arranged on the slide (4), and the rotation axis of the base (5) is arranged horizontally, and a power head (6) is inclined on one side of the base (5), characterized in that: A swing arm (7) is provided between the power head (6) and the base (5), and the power head (6) is fixed on the swing arm (7); the swing arm (7) is rotatably connected to the base (5) via a connecting structure so that the swing arm (7) can rotate 360 ​​degrees and be locked in a rotation position; the rotation axis of the swing arm (7) is arranged horizontally, and the rotation axes of the swing arm (7) and the base (5) are perpendicular to each other.

2. The CNC gear milling machine according to claim 1, characterized in that: The swing arm (7) is in a strip shape, and the power head (6) and the connecting structure are respectively connected to two ends of the swing arm (7).

3. The CNC gear milling machine according to claim 1 or 2, characterized in that: The swing arm (7) is pressed on the base (5), and the connection structure includes an annular groove (8) formed on the side wall of the base (5), and the axial cross-section of the annular groove (8) is T-shaped. A circle of T-shaped screws (9) matching the annular groove (8) is arranged in the annular groove (8). A through hole is axially penetrated through the annular groove (8) of the swing arm (7), and a nut (10) is pressed against the side of the swing arm (7) facing away from the base (5). The through holes, the nuts (10) and the T-shaped screws (9) are the same in number and have corresponding positions. The rod of the T-shaped screw (9) passes through the corresponding through hole and is screwed into the corresponding nut (10).

4. The CNC gear milling machine according to claim 3, characterized in that: The base (5) comprises a main body arranged on a slide seat (4), a side wall of the main body close to the swing arm (7) is provided with an annular positioning groove and two forming rings (5b) are fixed thereto, and the positioning groove and the two forming rings (5b) are coaxially arranged to form the above-mentioned annular groove (8).

5. The CNC gear milling machine according to claim 1 or 2, characterized in that: An inclined surface (7a) parallel to the power head (6) is formed on the side wall of the swing arm (7), and the power head (6) is mounted on the inclined surface (7a).

6. The CNC gear milling machine according to claim 1 or 2, characterized in that: The connection structure comprises a motor fixed on a base (5), and a main shaft of the motor is fixedly connected to a swing arm (7).

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