Turn-milling combined machining center

Abstract

The utility model discloses a turning and milling combined machining center which comprises a lathe bed, a saddle, a main spindle, an auxiliary spindle and a turning and milling mechanism. The lathe bed and the saddle are both of a triangular prism frame structure, the saddle is arranged on the inclined face of one side of the lathe bed in a sliding mode, the main spindle and the auxiliary spindle are oppositely arranged on the inclined face of the other side of the lathe bed, the main spindle is fixedly arranged on the lathe bed, the auxiliary spindle is arranged on the lathe bed in a sliding mode, and the main spindle and the auxiliary spindle are oppositely arranged on the inclined face of the other side of the lathe bed. The sliding direction of the auxiliary main shaft is parallel to the sliding direction of the saddle, and the main main shaft is matched with the auxiliary main shaft to clamp and rotate a workpiece; the turning and milling assembly is arranged on the saddle and used for milling a workpiece. The machine body and the saddle are mutually crossed and supported, the dynamic and static rigidity of the machine tool is improved, the whole machine installation structure is compact, and the machining precision and stability of the machine tool can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of numerical control machine tools, in particular to a turning and milling compound machining center. Background Art

[0002] At present, the turning and milling machine tools are mainly based on the inclined bed power turret structure, and there is a lack of a turning and milling machine tool with high applicability, good machine tool rigidity, high precision and stability. For example, when processing some key parts, the parts have complex dimensions and high precision requirements, and multiple processes such as turning, milling, drilling, and tapping need to be completed in one clamping to ensure accuracy. In the actual application process, the traditional inclined bed CNC machine tool structure has insufficient machine tool processing rigidity, a small number of tools, a large interference range, and low efficiency, which cannot meet the processing needs of high-precision parts. Utility Model Content

[0003] In order to overcome the deficiencies of the above-mentioned prior art, the purpose of the utility model is to provide a turning-milling compound machining center, which provides more installation space for the machine tool spindle assembly, increases the stroke of the machine tool spindle assembly, and meets higher processing requirements.

[0004] The first technical solution of the utility model is as follows:

[0005] A turning and milling compound machining center comprises: a bed, a saddle, a main spindle, a sub-spindle, and a turning and milling mechanism; the bed and the saddle are both triangular prism frame structures, the saddle is slidably arranged on an inclined plane on one side of the bed, the main spindle and the sub-spindle are relatively arranged on an inclined plane on the other side of the bed, the main spindle is fixedly arranged on the bed, the sub-spindle is slidably arranged on the bed, and the turning and milling mechanism is arranged on the saddle.

[0006] Furthermore, the turning and milling mechanism includes a column, a slide, a ram and a swing head; the column is fixedly arranged on the saddle, the slide can be slidably arranged on the column up and down, the ram can be horizontally slidably arranged on the slide, and the swing head is arranged at one end of the ram.

[0007] Furthermore, the column is in a U-shape, and has a first sliding channel running horizontally through the middle thereof, and the sliding seat is arranged in the first sliding channel.

[0008] Furthermore, linear motors are provided on the inner walls of both sides of the first sliding channel, and the two linear motors are respectively connected to the two side surfaces of the slide seat for driving.

[0009] Furthermore, the slide seat is in a U-shape, and has a second sliding channel running horizontally through the middle thereof, and the slide pillow is arranged in the second sliding channel.

[0010] Furthermore, the turning and milling mechanism also includes a balancing cylinder, which is arranged on the column and is drivingly connected to the slide.

[0011] Furthermore, the bed has a first bottom surface, a first inclined surface, and a second inclined surface; the first bottom surface is arranged horizontally, the main spindle and the auxiliary spindle are arranged on the first inclined surface, and the saddle is arranged on the second inclined surface.

[0012] Furthermore, the saddle has a top surface and a third inclined surface, the top surface is horizontally arranged, the third inclined surface is parallel to the second inclined surface, and the saddle is slidably arranged on the second inclined surface of the bed through the third inclined surface; the turning and milling mechanism is arranged on the top surface.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] The bed and the saddle cross-support each other, thereby improving the dynamic and static rigidity of the machine tool. The installation structure of the whole machine is compact, and the processing accuracy and stability of the machine tool can be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0016] Figure 1 It is a three-dimensional diagram of the machine tool in the utility model;

[0017] Figure 2 It is a front view of the machine tool in the utility model;

[0018] Figure 3 It is a side view of the machine tool in the utility model;

[0019] Explanation of the accompanying figures: 1-bed; 11-first bottom surface; 12-first inclined surface; 13-second inclined surface; 2-saddle; 21-top surface; 22-third inclined surface; 3-main spindle; 4-secondary spindle; 5-turning and milling mechanism; 51-column; 52-slide; 53-slide; 54-swing head; 55-balancing cylinder. DETAILED DESCRIPTION

[0020] In order to facilitate a better understanding of the purpose, structure, features and efficacy of the utility model, the utility model is further described in conjunction with the accompanying drawings and specific embodiments. It should be noted that the features shown in the figures are not necessarily drawn to scale. In addition, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the described embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Unless otherwise defined, the technical terms or scientific terms used in the present disclosure shall have the usual meanings understood by persons with ordinary skills in the field to which the present disclosure belongs. The words "first", "second" and similar words used in the present disclosure do not indicate any order, quantity or importance, but are only used to distinguish different components. Words such as "connect" or "connected" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "down", "left", "right", "front", "back" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly. In addition, in the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0022] like Figure 1-3 As shown, this embodiment provides a turning and milling compound machining center, including: a bed 1, a saddle 2, a main spindle 3, a secondary spindle 4, and a turning and milling mechanism 5; the bed 1 and the saddle 2 are both triangular prism frame structures, the saddle 2 is slidably set on the inclined surface on one side of the bed 1, the main spindle 3 and the secondary spindle 4 are relatively set on the inclined surface on the other side of the bed 1, the main spindle 3 is fixedly set on the bed 1, and the secondary spindle 4 is slidably set on the bed 1, the sliding direction of the secondary spindle 4 is parallel to the sliding direction of the saddle 2, and the main spindle 3 and the secondary spindle 4 cooperate to clamp and rotate the workpiece; the turning and milling assembly is set on the saddle 2 for milling the workpiece.

[0023] The bed 1 and the saddle 2 cross-support each other, thereby improving the dynamic and static rigidity of the machine tool. The installation structure of the whole machine is compact, and the processing accuracy and stability of the machine tool can be improved.

[0024] As a preferred solution, the turning and milling mechanism 5 includes a column 51, a slide 52, a ram 53 and a swing head 54; the column 51 is fixedly arranged on the saddle 2, the slide 52 can be slidably arranged on the column 51 up and down, the slide 53 can be slidably arranged on the slide 52 horizontally, and the swing head 54 is arranged at one end of the slide 53, so as to form a multi-axis turning and milling compound component to meet the diversity of processing.

[0025] The swing head 54 is a turning and milling integrated electric spindle, which can perform composite processing of multiple processes such as turning, milling, drilling, and grinding. The multi-axis linkage function can also complete the processing of inclined parts and complex spatial surfaces, greatly improving the processing efficiency and accuracy.

[0026] Furthermore, the column 51 is in the shape of a U-shaped column, and has a first sliding channel running horizontally through the middle thereof. The slide seat 52 is disposed in the first sliding channel, thereby providing a stable supporting structure and ensuring the stability of processing.

[0027] Furthermore, linear motors are provided on the inner walls on both sides of the first sliding channel, and the two linear motors are respectively connected to the two side surfaces of the slide 52. The linear motors on both sides synchronously drive the slide to slide up and down, so that the slide 52 is subjected to uniform driving force to ensure the stability of the turning and milling processing.

[0028] Specifically, a pair of slide rails are provided on the inner walls on both sides of the first slide channel, the slide seat 52 and the slide rails are slidably matched, and each linear motor is arranged between the corresponding pair of slide rails.

[0029] Furthermore, the slide seat 52 is in a U-shape, and has a second sliding channel running horizontally through the middle thereof, and the slide 53 is disposed in the second sliding channel, thereby providing a stable supporting structure and ensuring the stability of processing.

[0030] The column 51 is fixedly installed to reduce the weight during movement, and the column 51 and the slide seat are in a U-shaped structure, so that the center of gravity of the component is located on the central axis, which can improve the stability of the structure.

[0031] Preferably, the turning and milling mechanism 5 also includes a balancing cylinder 55, which is arranged on the column 51 and is drivingly connected to the slide 52. The pulling force of the balancing cylinder 55 on the slide 52 is equal to the sum of the gravity of the slide 52, the slide 53 and the swing head 54, thereby reducing the driving load of the linear motor.

[0032] As a preferred solution, the bed 1 has a first bottom surface 11, a first inclined surface 12 and a second inclined surface 13; the first bottom surface 11 is horizontally arranged, the main spindle 3 and the auxiliary spindle 4 are arranged on the first inclined surface 12, and the saddle 2 is arranged on the second inclined surface 13. Preferably, the angle between the first inclined surface 12 and the first bottom surface 11 is 60 degrees, and the angle between the second inclined surface 13 and the first bottom surface 11 is 30 degrees.

[0033] Furthermore, the saddle 2 has a top surface 21 and a third inclined surface 22, the top surface 21 is horizontally arranged, the third inclined surface 22 is parallel to the second inclined surface 13, and the saddle 2 is slidably arranged on the second inclined surface 13 of the base through the third inclined surface 22; the turning and milling mechanism 5 is arranged on the top surface 21.

[0034] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A turning and milling compound machining center, characterized in that: Comprising: A bed body (1), a bed saddle (2), a main spindle (3), a sub-spindle (4), and a turning and milling mechanism (5); both the bed body (1) and the bed saddle (2) are in a triangular prism frame structure. The bed saddle (2) is slidably arranged on one inclined surface of the bed body (1). The main spindle (3) and the sub-spindle (4) are oppositely arranged on the other inclined surface of the bed body (1). The main spindle (3) is fixedly arranged on the bed body (1), and the sub-spindle (4) is slidably arranged on the bed body (1). The turning and milling mechanism (5) is arranged on the bed saddle (2); The turning and milling mechanism (5) includes a column (51), a slide base (52), a ram (53), and a swivel head (54); the column (51) is fixedly arranged on the bed saddle (2). The slide base (52) is slidably arranged up and down on the column (51). The ram (53) is slidably arranged horizontally on the slide base (52). The swivel head (54) is arranged at one end of the ram (53); The column (51) is in a shape of a double-square frame with a horizontally penetrating first sliding channel at its middle position. The slide base (52) is arranged in the first sliding channel. Linear motors are provided on the inner walls on both sides of the first sliding channel, and the two linear motors are respectively drivingly connected to both side surfaces of the slide base (52); The slide base (52) is in a shape of a double-square frame with a horizontally penetrating second sliding channel at its middle position. The ram (53) is arranged in the second sliding channel.

2. A turning-milling compound machining center according to claim 1, characterized in that: The turning and milling mechanism (5) further includes a balance cylinder (55). The balance cylinder (55) is arranged on the column (51) and is drivingly connected to the slide base (52).

3. A turning-milling compound machining center according to claim 1, characterized in that: The bed body (1) has a first bottom surface (11), a first inclined surface (12), and a second inclined surface (13); the first bottom surface (11) is horizontally arranged. The main spindle (3) and the sub-spindle (4) are arranged on the first inclined surface (12), and the bed saddle (2) is arranged on the second inclined surface (13).

4. A turning-milling compound machining center according to claim 3, characterized in that: The bed saddle (2) has a top surface (21) and a third inclined surface (22). The top surface (21) is horizontally arranged. The third inclined surface (22) is parallel to the second inclined surface (13). The bed saddle (2) is slidably arranged on the second inclined surface (13) of the bed body (1) through the third inclined surface (22). The turning and milling mechanism (5) is arranged on the top surface (21).

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