Machine tool structure of vertical machining center

Abstract

A machine tool structure of a vertical machining center comprises a rack, an X-axis guide rail is arranged on the rack, a first sliding frame capable of moving along the X-axis guide rail is arranged on the X-axis guide rail, a Y-axis guide rail is arranged on the first sliding frame, and a second sliding frame capable of moving along the Y-axis guide rail is arranged on the Y-axis guide rail. A second sliding frame is arranged on the rack, a workpiece clamping mechanism is arranged on the second sliding frame, a Z-axis guide rail is arranged on one side of the rack, a third sliding frame capable of sliding along the Z-axis guide rail is arranged on the Z-axis guide rail, and a main shaft is installed on the third sliding frame; a protection mechanism is installed on the lower portion of the third sliding frame. The Z-axis guide rail can be effectively protected through the protection mechanism, the guide rail is prevented from being damaged by cuttings in the machining process, and the service life of the guide rail is prolonged; meanwhile, the telescopic protection plate can stretch out and draw back along with movement of the first sliding frame, and effective protection on the machine tool is kept all the time.

Description

Technical Field

[0001] The utility model relates to the technical field of vertical machining centers, in particular to a machine tool structure of a vertical machining center. Background Art

[0002] A vertical machining center is a high-precision machine tool with a spindle axis set perpendicular to the workbench. This type of machine tool usually has two linear motion coordinate axes, and a rotary table that can rotate along a horizontal axis is installed on the workbench, which enables it to process helical parts. The structure of a vertical machining center is mostly a fixed column, the workbench is rectangular, and there is no indexing and rotation function. It is particularly suitable for processing discs, sleeves, and plates. It can also process complex parts such as molds and small shells.

[0003] Chinese patent CN205968468U discloses a vertical machining center machine tool structure. This patent generates a large amount of chips during the machining process. Due to the high chip speed, when the chips touch the guide rail, the guide rail will be damaged to a certain extent. After the guide rail is damaged, it will cause uneven feeding, thereby reducing the machining accuracy; and the slide rail is affected by the chips for a long time and is more easily damaged. The replacement cost after damage is high, which is the shortcoming of the prior art. Utility Model Content

[0004] The purpose of the utility model is to solve the problems raised in the above background technology, and then propose a machine tool structure of a vertical machining center.

[0005] The technical solution adopted by the utility model to solve its technical problems is: a machine tool structure of a vertical machining center, including a frame, an X-axis guide rail is arranged on the frame, a first sliding frame capable of moving along the X-axis guide rail is arranged on the X-axis guide rail, a Y-axis guide rail is arranged on the first sliding frame, a second sliding frame capable of moving along the Y-axis guide rail is arranged on the Y-axis guide rail, a workpiece clamping mechanism is arranged on the second sliding frame, a Z-axis guide rail is arranged on one side of the frame, a third sliding frame capable of sliding along the Z-axis guide rail is arranged on the Z-axis guide rail, and a spindle is installed on the third sliding frame; a protective mechanism is installed at the lower part of the third sliding frame.

[0006] A further improvement of the utility model is that the protective mechanism includes a mounting plate, a connecting plate and a protective plate, the mounting plate is horizontally arranged and fixedly connected to the third sliding frame, the connecting plate is vertically fixed to the lower part of the mounting plate, and the protective plate is fixedly connected to the connecting plate.

[0007] A further improvement of the utility model is that a middle plate is arranged between the mounting plate and the third sliding frame, the middle plate is installed at the lower part of the third sliding frame, a waist-shaped hole is arranged on the middle plate, and a first bolt used in conjunction with the waist-shaped hole is arranged on the mounting plate.

[0008] A further improvement of the utility model is that the connecting plate is provided with a plurality of bolt holes, and the protective plate is provided with second bolts used in conjunction with the bolt holes.

[0009] A further improvement of the utility model is that the lower end of the protective plate extends outward to form an arc-shaped portion.

[0010] A further improvement of the utility model is that a telescopic protective plate is arranged between the first sliding frame and the frame.

[0011] A further improvement of the utility model is that both ends of the telescopic protective plate extend outwards of the frame respectively.

[0012] The beneficial effects of the utility model are as follows: the protective mechanism in the utility model can effectively protect the Z-axis guide rail, avoid damage to the guide rail caused by chips during the processing, and extend the service life of the guide rail; at the same time, the telescopic protective plate in the utility model can be extended and retracted with the movement of the first sliding frame, always maintaining effective protection for the machine tool. In short, the machine tool structure design of the vertical machining center of the utility model is reasonable and practical, and the cooperation between the various components is close and seamless, so that the machine tool can achieve high-precision and high-efficiency processing operations during the processing; at the same time, the design of the protective mechanism also fully considers the safety needs of the machine tool and the operator, providing a strong guarantee for safe production. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of a specific implementation method of the utility model;

[0014] Figure 2 for Figure 1 A magnified view of the structure at A;

[0015] Figure 3 for Figure 1 Schematic diagram of the structure of the middle plate;

[0016] Figure 4 It is a structural schematic diagram of the positional relationship between the telescopic protective cover and the frame.

[0017] In the figure, 1 is a frame, 11 is an X-axis guide rail, 12 is a first sliding frame, 13 is a Y-axis guide rail, 14 is a second sliding frame, 15 is a workpiece clamping mechanism, 16 is a Z-axis guide rail, 17 is a third sliding frame, 18 is a main shaft, 2 is a protective mechanism, 21 is a middle plate, 211 is a waist-shaped hole, 22 is a mounting plate, 23 is a connecting plate, 24 is a bolt hole, 25 is a second bolt, 26 is an arc-shaped portion, 27 is a protective plate, 28 is a first bolt, and 3 is a telescopic protective plate. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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. The utility model is further described in combination with the drawings and embodiments:

[0019] like Figure 1-4 As shown, a machine tool structure of a vertical machining center includes a frame 1, an X-axis guide rail 11 is provided on the frame 1, a first slide frame 12 capable of moving along the X-axis guide rail 11 is provided on the X-axis guide rail 11, a Y-axis guide rail 13 is provided on the first slide frame 12, a second slide frame 14 capable of moving along the Y-axis guide rail 13 is provided on the Y-axis guide rail 13, a workpiece clamping mechanism 15 is provided on the second slide frame 14, a Z-axis guide rail 16 is provided on one side of the frame 1, a third slide frame 17 capable of sliding along the Z-axis guide rail 16 is provided on the Z-axis guide rail 16, and a spindle 18 is installed on the third slide frame 17; the lower part of the spindle 18 is used to install a tool. The spindle 18 is the core component of the machine tool for processing, and its rotation and movement can achieve precise processing of the workpiece.

[0020] Specifically, the first sliding frame 12, the second sliding frame 14 and the third sliding frame 17 are all driven by a driving mechanism, which can adopt a structure in which a motor and a lead screw and a nut cooperate, the motor drives the lead screw to rotate, the lead screw rotation can drive the nut to move, and the nut drives the first sliding frame 12, the second sliding frame 14 and the third sliding frame 17 to move.

[0021] Specifically, the workpiece clamping mechanism 15 may be a bench vise, which can firmly clamp the workpiece to ensure that the position of the workpiece is accurate during the processing.

[0022] The protection mechanism 2 is installed at the lower part of the third sliding frame 17. The protection mechanism 2 includes a mounting plate 22, a connecting plate 23 and a protection plate 27. The mounting plate 22 is horizontally arranged and fixedly connected to the third sliding frame 17. The connecting plate 23 is vertically fixed to the lower part of the mounting plate 22. The protection plate 27 is fixedly connected to the connecting plate 23. The protection plate 27 is fixedly connected to the connecting plate 23, which can effectively prevent the chips splashing generated during the machining process from affecting the Z-axis guide rail 16, thereby protecting the safety of the machine tool and the operator.

[0023] Furthermore, the utility model further provides a middle plate 21 between the mounting plate 22 and the third sliding frame 17, the middle plate 21 is installed at the lower part of the third sliding frame 17, the middle plate 21 is provided with a waist-shaped hole 211, and the mounting plate 22 is provided with a first bolt 28 used in conjunction with the waist-shaped hole 211. By adjusting the position of the first bolt 28 in the waist-shaped hole 211, the position of the protective plate 27 in the X-axis direction can be adjusted to a certain extent to meet different processing requirements; at the same time, this design method also facilitates the installation and disassembly of the protective mechanism.

[0024] Furthermore, the connecting plate 23 is provided with a plurality of bolt holes 24, and the protective plate 27 is provided with a second bolt 25 used in conjunction with the bolt hole 24. By adjusting the position of the second bolt 25 in the bolt hole 24, the position of the protective plate 27 in the Z-axis direction can be adjusted to meet different processing requirements.

[0025] Furthermore, the lower end of the protection plate 27 extends outward to form an arc portion 26. The arc portion 26 expands the protection range and can also effectively guide the flow of chips to prevent them from causing damage to the machine tool guide rails.

[0026] Furthermore, in order to prevent the chips falling from the protective plate 27 from affecting the X-axis, the utility model further provides a telescopic protective plate 3 between the first sliding frame 12 and the frame 1. The telescopic protective plate 3 can be extended and retracted with the movement of the first sliding frame 12, so as to always maintain effective protection for the machine tool. The two ends of the telescopic protective plate 3 extend to the outside of the frame 1, respectively, so that the chips on the telescopic protective plate 3 can flow to the outside of the machine tool, further enhancing the protection effect.

[0027] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions in the specification are only to illustrate the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the protection required by the utility model. The scope of protection required by the utility model is defined by the attached claims and their equivalents.

Claims

1. A machine tool structure of a vertical machining center, characterized in that: The machine comprises a frame, an X-axis guide rail is arranged on the frame, a first sliding frame capable of moving along the X-axis guide rail is arranged on the X-axis guide rail, a Y-axis guide rail is arranged on the first sliding frame, a second sliding frame capable of moving along the Y-axis guide rail is arranged on the Y-axis guide rail, a workpiece clamping mechanism is arranged on the second sliding frame, a Z-axis guide rail is arranged on one side of the frame, a third sliding frame capable of sliding along the Z-axis guide rail is arranged on the Z-axis guide rail, a main shaft is installed on the third sliding frame; a protective mechanism is installed at the lower part of the third sliding frame.

2. The machine tool structure of the vertical machining center according to claim 1, characterized in that: The protection mechanism comprises a mounting plate, a connecting plate and a protection plate, wherein the mounting plate is horizontally arranged and fixedly connected to the third sliding frame, the connecting plate is vertically fixed to the lower part of the mounting plate, and the protection plate is fixedly connected to the connecting plate.

3. The machine tool structure of the vertical machining center according to claim 2, characterized in that: A middle plate is also arranged between the mounting plate and the third sliding frame. The middle plate is installed at the lower part of the third sliding frame. A waist-shaped hole is arranged on the middle plate. The mounting plate is provided with a first bolt used in conjunction with the waist-shaped hole.

4. The machine tool structure of the vertical machining center according to claim 2, characterized in that: The connecting plate is provided with a plurality of bolt holes, and the protective plate is provided with second bolts used in conjunction with the bolt holes.

5. The machine tool structure of the vertical machining center according to claim 2, characterized in that: The lower end of the protection plate extends outward to form an arc-shaped portion.

6. The machine tool structure of the vertical machining center according to claim 1, characterized in that: A telescopic protective plate is also arranged between the first sliding frame and the frame.

7. The machine tool structure of the vertical machining center according to claim 6, characterized in that: Both ends of the telescopic protective plate extend outward from the frame respectively.

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