Machine tool capable of automatically swinging and grinding inner cone and outer cone of main shaft

Abstract

The utility model discloses a machine tool capable of automatically swinging and grinding inner and outer cones of a main shaft, which comprises a mounting part, a first processing part and a second processing part, the mounting part comprises a first sliding table, a first mounting frame and a second mounting frame are arranged on the upper end face of the first sliding table at intervals, and a second driving device is arranged on the second sliding table; a first machining shaft is arranged at the output end of the second driving device, a second machining shaft is arranged at the output end of the third driving device, the main shaft can be conveyed to the machining position through the first sliding table, the first base drives the first machining shaft to rotate around the A axis to the corresponding machining position, and the second driving device drives the first machining shaft to reciprocate along the Z axis. The second base drives the second machining shaft to rotate around the B axis to the corresponding machining position, the third driving device drives the second machining shaft to reciprocate along the W axis, then automatic swing angle machining replaces a traditional manual swing angle grinding main shaft, operation steps are simplified, machining efficiency is improved, and the automatic swing angle grinding main shaft belongs to the field of machining.

Description

Technical Field

[0001] The utility model belongs to the field of mechanical processing, and more specifically relates to a machine tool capable of automatically swinging and grinding the inner and outer cones of a main shaft. Background Art

[0002] In today's era of rapid development of the machine tool industry, the accuracy of the machine tool's functional components determines the accuracy of the machine tool itself. Therefore, the accuracy of the machine tool's spindle is particularly important in terms of machine tool performance. The performance of a machine tool directly depends on the accuracy of the spindle, especially high-end equipment has higher requirements for spindle accuracy.

[0003] Currently, the popular machine tools for grinding the inner and outer cones of the spindle on the market require workers with certain technical operation experience to adjust the swing angle and conduct multiple trial grinding before terminal grinding can be performed. However, the angle adjustment process of this grinding method is very troublesome and the processing efficiency is low. Utility Model Content

[0004] The main purpose of the utility model is to provide a machine tool which can automatically swing and grind the inner and outer cones of a main shaft, which simplifies manual operation and improves processing efficiency.

[0005] In order to achieve the above object, the technical solution of the utility model is:

[0006] A machine tool capable of automatically swinging and grinding the inner and outer cones of a spindle, comprising a mounting portion, a first processing portion and a second processing portion; the mounting portion comprises a first slide, a first mounting frame and a second mounting frame are provided on the upper end surface of the first slide, the first mounting frame and the second mounting frame are used to fix the two ends of the spindle respectively, a first driving device is provided at an end of the first slide away from the first processing portion, an output end of the first driving device is correspondingly arranged with the first mounting frame and the second mounting frame, the first driving device can drive the spindle to rotate axially, and the first slide can make the spindle reciprocate along the X-axis direction; the first processing portion comprises a first slide which can rotate around the A-axis A base and a second slide arranged on the first base, the second slide is provided with a second driving device, the output end of the second driving device is provided with a first processing axis on which a corresponding tool can be installed, and the second driving device can drive the first processing axis to reciprocate along the Z axis; the second processing part is correspondingly arranged on the outer side of the first processing part, the second processing part includes a second base rotatable around the B axis and a third driving device, the output end of the third driving device is provided with a second processing axis on which a corresponding tool can be installed, a third slide is provided between the third driving device and the second base, and the third driving device can drive the second processing axis to reciprocate along the W axis.

[0007] In a specific embodiment of the present invention, at least three first positioning push rods are arranged around the first mounting frame, and at least three second positioning push rods are arranged around the second mounting frame.

[0008] In a specific embodiment of the present invention, locking devices are respectively provided on the outer sides of the first positioning push rod and the second positioning push rod.

[0009] In a specific embodiment of the utility model, a base is provided below the mounting portion, a processing groove is provided on the upper end surface of the base, and the first processing portion, the second processing portion and the mounting portion are all located in the processing groove.

[0010] In a specific embodiment of the utility model, a plurality of first slide rails are parallelly arranged on the upper end surface of the base and at corresponding positions of the first slide platform, and a plurality of second slide grooves are arranged on the lower end surface of the first slide platform and corresponding to the plurality of first slide rails.

[0011] In a specific embodiment of the present invention, first limiting protrusions are respectively provided at both ends of each of the first slide rails.

[0012] In a specific embodiment of the utility model, the lower end surfaces of the second slide table and the third slide table are respectively provided with a plurality of second slide grooves, the upper end surfaces of the first base and the second base are respectively provided with a plurality of second slide rails, and the plurality of second slide rails are respectively arranged corresponding to the plurality of second slide grooves.

[0013] In a specific embodiment of the present invention, second limiting protrusions are respectively provided at both ends of each of the second slide rails.

[0014] In a specific embodiment of the utility model, a head frame is provided on the outer side of the output end of the first driving device, and a plurality of rolling bearings are provided in parallel inside the head frame.

[0015] One of the above technical solutions of the utility model has at least one of the following advantages or beneficial effects:

[0016] The utility model utilizes a first mounting frame and a second mounting frame to respectively fix the two ends of the main shaft, sends the main shaft to the processing position through the first slide, drives the first processing axis to rotate around the A axis to the corresponding processing position through the first base, drives the first processing axis to reciprocate along the Z axis through the second driving device, further drives the second processing axis to rotate around the B axis to the corresponding processing position through the second base, drives the second processing axis to reciprocate along the W axis through the third driving device, and then replaces the traditional manual swing angle grinding spindle with automatic swing angle processing, which can not only simplify the manual operation steps, but also improve the processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0018] Figure 1 It is an overall structural diagram of an embodiment of the utility model;

[0019] Figure 2 It is a side view of an embodiment of the utility model;

[0020] Figure 3 It is a top view of an embodiment of the utility model;

[0021] Figure 4 It is a cross-sectional view of a head frame according to an embodiment of the present utility model. DETAILED DESCRIPTION

[0022] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions from beginning to end. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0023] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are merely simplified descriptions for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0024] In the description of the present utility model, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0025] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first" and "second" may explicitly or implicitly include one or more features.

[0026] In the description of the present utility model, it should be noted that, unless otherwise clearly stipulated and limited, the term "connection" should be understood in a broad sense. For example, it can be a fixed connection or a movable connection, a detachable connection or a non-detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or mutual communication; it can be a direct connection, or an indirect connection through an intermediate medium, and it can be internal connection between two elements, indirect connection, or an interactive relationship between two elements.

[0027] The following disclosure provides many different embodiments or examples for implementing different solutions of the present invention.

[0028] Reference Figures 1 to 4 As shown in the figure, a machine tool capable of automatically swinging and grinding the inner and outer cones of a spindle comprises a mounting portion 1, a first processing portion 2 and a second processing portion 3. A base 4 is provided below the mounting portion 1, and a processing groove 5 is provided on the upper end surface of the base 4. The first processing portion 2, the second processing portion 3 and the mounting portion 1 are all located in the processing groove 5, wherein the mounting portion 1 comprises a first slide 11, and a first mounting frame 12 and a second mounting frame 13 are provided on the upper end surface of the first slide 1 at intervals, and three first positioning push rods 121 are provided around the first mounting frame 12, and three second positioning push rods 131 are provided around the second mounting frame 13.

[0029] In one embodiment of the utility model, locking devices are respectively provided on the outer sides of the first positioning push rod 121 and the second positioning push rod 131, that is, locking nuts are respectively provided on the sides of the first positioning push rod 121 and the second positioning push rod 131, so that the first mounting frame 12 and the second mounting frame 13 can respectively fix the two ends of the main shaft.

[0030] In one embodiment of the utility model, a first driving device 14 is provided at one end of the first slide 11 away from the first processing part 2, a head frame 7 is provided on the outer side of the output end of the first driving device 14, two rolling bearings 8 are provided in parallel in the head frame 7, and the output end of the first driving device 14 is corresponding to the first mounting frame 12 and the second mounting frame 13. The first driving device 14 can drive the spindle to rotate axially, and the first slide 11 can make the spindle reciprocate along the X-axis direction, thereby adjusting the spindle to be processed to the corresponding processing position of the first processing part 2 or the second processing part 3.

[0031] In one embodiment of the utility model, two first slide rails 41 are provided in parallel on the upper end surface of the base 4 and at corresponding positions of the first slide 11, and two second slide grooves are provided on the lower end surface of the first slide 11 and correspond to the first slide rails 41, respectively, so that the first slide 11 can drive the main shaft to reciprocate along the X-axis direction, and first limiting protrusions are respectively provided at both ends of each first slide rail 41, and the sliding distance of the first slide 11 is limited by the first limiting protrusions.

[0032] In one embodiment of the utility model, the first processing part 2 includes a first base 21 and a second slide 22 arranged on the first base 21, the lower end surface of the second slide 22 is provided with two second slide grooves, and the upper end surface of the first base 21 is respectively provided with two second slide rails 6, and the second slide 22 is provided with a second driving device 23, and the output end of the second driving device 23 is provided with a first processing axis 24, and the first processing axis 24 is used to install the corresponding grinding tool. The first base 21 can drive the first processing axis 24 to rotate around the A axis, thereby realizing the automatic swing angle of the first processing part 2, and the second driving device 23 can make the first processing axis 24 reciprocate along the Z axis to grind the outer cone and end face of the spindle, thereby replacing the traditional manual swing angle grinding spindle method to improve processing efficiency.

[0033] In one embodiment of the utility model, the second processing part 3 is correspondingly arranged on the outer side of the first processing part 2, and the second processing part 3 includes a second base 31 and a third driving device 32, wherein the output end of the third driving device 32 is provided with a second processing axis 34, and the second base 31 can drive the second processing axis 34 to rotate around the B axis, and a third slide 33 is provided between the third driving device 32 and the second base 31, and the third driving device 32 can drive the second processing axis 34 to reciprocate along the W axis, thereby grinding the inner cone of the spindle.

[0034] In one embodiment of the utility model, two second slide grooves are respectively provided on the lower end surface of the third slide 33, and two second slide rails 6 are respectively provided on the upper end surface of the second base 31 corresponding to the second slide grooves. By providing second limiting protrusions at both ends of each second slide rail 6, the sliding distance of the second slide 22 and the third slide 33 can be limited.

[0035] The specific processing steps of the utility model are as follows: first, the spindle to be processed is fixed by the first mounting frame 12, the second mounting frame 13, the first positioning push rod 121 and the second positioning push rod 131, and the spindle is driven to rotate axially by the first driving device 14; further, the fixed spindle is moved along the X-axis direction to the corresponding position of the first processing part 2 by the first slide 11; further, the corresponding tool is installed on the first processing shaft 24, and the first processing shaft 24 is rotated around the A-axis to a suitable processing position by the first base 21; further, the first processing shaft 24 is driven to reciprocate along the Z-axis by the second driving device 23, and the outer cone and end face of the spindle are ground.

[0036] Further, a corresponding tool is installed on the second processing axis 34, and the second processing axis 34 is rotated around the B axis to a suitable processing position through the second base 31; further, the second processing axis 34 is driven to reciprocate along the W axis through the third driving device 32 to grind the inner cone of the spindle.

[0037] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A machine tool capable of automatically swinging and grinding the inner and outer cones of a spindle, characterized in that: It comprises a mounting portion (1), a first processing portion (2) and a second processing portion (3); The mounting portion (1) comprises a first slide (11), the upper end surface of the first slide (11) is provided with a first mounting frame (12) and a second mounting frame (13) at intervals, the first mounting frame (12) and the second mounting frame (13) are used to fix two ends of the main shaft respectively, the end of the first slide (11) away from the first processing portion (2) is provided with a first driving device (14), the output end of the first driving device (14) is arranged corresponding to the first mounting frame (12) and the second mounting frame (13), the first driving device (14) can drive the main shaft to rotate axially, and the first slide (11) can make the main shaft reciprocate along the X-axis direction; The first processing part (2) comprises a first base (21) which can rotate around an A axis and a second slide (22) arranged on the first base (21); a second driving device (23) is arranged on the second slide (22); an output end of the second driving device (23) is provided with a first processing axis (24) on which a corresponding tool can be installed; and the second driving device (23) can drive the first processing axis (24) to reciprocate along the Z axis; The second processing part (3) is arranged correspondingly on the outer side of the first processing part (2), and the second processing part (3) comprises a second base (31) which can rotate around the B axis and a third driving device (32), the output end of the third driving device (32) is provided with a second processing axis (34) which can be installed with a corresponding tool, and a third slide (33) is provided between the third driving device (32) and the second base (31), and the third driving device (32) can drive the second processing axis (34) to reciprocate along the W axis.

2. The machine tool capable of automatically swinging the angle to grind the inner and outer cones of the spindle according to claim 1, characterized in that: At least three first positioning push rods (121) are arranged around the first mounting frame (12), and at least three second positioning push rods (131) are arranged around the second mounting frame (13).

3. The machine tool capable of automatically swinging and grinding the inner and outer cones of the spindle according to claim 2, characterized in that: Locking devices are respectively provided on the outer sides of the first positioning push rod (121) and the second positioning push rod (131).

4. The machine tool capable of automatically swinging and grinding the inner and outer cones of the spindle according to claim 1, characterized in that: A base (4) is provided below the mounting portion (1), a processing groove (5) is provided on the upper end surface of the base (4), and the first processing portion (2), the second processing portion (3) and the mounting portion (1) are all located in the processing groove (5).

5. The machine tool capable of automatically swinging and grinding the inner and outer cones of the spindle according to claim 4, characterized in that: A plurality of first slide rails (41) are arranged in parallel on the upper end surface of the base (4) at positions corresponding to the first slide platform (11), and a plurality of second slide grooves are arranged on the lower end surface of the first slide platform (11) corresponding to the plurality of first slide rails (41).

6. The machine tool capable of automatically swinging and grinding the inner and outer cones of the spindle according to claim 5, characterized in that: Both ends of each of the first slide rails (41) are respectively provided with a first limiting protrusion.

7. The machine tool capable of automatically swinging and grinding the inner and outer cones of the spindle according to claim 1, characterized in that: The lower end surfaces of the second slide (22) and the third slide (33) are respectively provided with a plurality of second slide grooves, the upper end surfaces of the first base (21) and the second base (31) are respectively provided with a plurality of second slide rails (6), and the plurality of second slide rails (6) are respectively arranged corresponding to the plurality of second slide grooves.

8. The machine tool capable of automatically swinging and grinding the inner and outer cones of the spindle according to claim 7, characterized in that: Second limiting protrusions are respectively provided at both ends of each of the second slide rails (6).

9. The machine tool capable of automatically swinging and grinding the inner and outer cones of the spindle according to claim 1, characterized in that: A head frame (7) is provided on the outer side of the output end of the first driving device (14), and a plurality of rolling bearings (8) are provided in parallel in the head frame (7).

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