Main shaft moving device of numerical control double-sided milling machine

Abstract

The utility model discloses a numerical control double-sided milling spindle moving device, which belongs to the technical field of machining equipment and comprises a sliding seat, a ram arranged in the sliding seat and a spindle box connected with the ram in a sliding manner. The sliding seat is provided with a hollow square hole; a ram is mounted in the square hole; the ram is of a square ram structure with four-side guiding and comprises eight sliding guide rails arranged at the four corners of a square hole of the sliding base, and one edges of the two sliding guide rails at each corner are attached to form an included angle of 90 degrees. The center of a spindle in the spindle box coincides with the center of the ram. The two sliding seats are symmetrically installed on the two gantry stand columns. The rigidity of the milling machine can be enhanced, the problem of vibration in the machining process of the machine tool is solved, and the surface machining quality of products meets the technical requirements.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical processing equipment, in particular to a CNC double-sided milling spindle moving device. Background Art

[0002] The original machine tool slide structure was a six-rail "L" open guide, which had poor wrapping and poor machine tool rigidity, resulting in machine tool vibration during processing and the processed products could not meet usage requirements. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a CNC double-sided milling spindle moving device, enhance the rigidity of the milling machine, solve the vibration problem in the machine tool processing project, and make the product surface processing quality meet the technical requirements.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0005] A CNC double-sided milling spindle moving device comprises a slide seat, a ram arranged in the slide seat and a spindle box slidably connected to the ram;

[0006] The slide seat is provided with a hollow square hole; a slide pillow is installed in the square hole;

[0007] The ram includes eight sliding guide rails arranged at the four corners of the square hole of the slide seat, and one side of two sliding guide rails at each corner are arranged in close contact to form a ninety-degree angle;

[0008] The center of the main shaft in the main shaft box coincides with the center of the ram.

[0009] A further improvement of the technical solution of the utility model is that: there are two slide seats, which are symmetrically installed on two gantry columns.

[0010] A further improvement of the technical solution of the utility model is that a motor for driving the spindle box to move is arranged inside the slide.

[0011] A further improvement of the technical solution of the utility model is that the width of the sliding guide rail is 100 mm to 200 mm, and the length is equal to the depth of the square hole of the slide seat.

[0012] A further improvement of the technical solution of the utility model is that a soft guide rail belt is arranged at the position where the ram is installed on the slide seat.

[0013] Due to the adoption of the above technical solution, the technical progress achieved by the utility model is:

[0014] The ram in the utility model is wrapped on four sides, which greatly enhances the rigidity of the machine tool, and prolongs the service life of the tool while meeting the product processing quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the CNC double-sided milling spindle moving device in the utility model;

[0016] Among them, 1. slide seat, 2. slide pillow, 3. spindle box, 4. gantry column, 5. sliding guide rail. DETAILED DESCRIPTION

[0017] The present invention is further described in detail below with reference to the accompanying drawings and embodiments:

[0018] like Figure 1 As shown, a CNC double-sided milling spindle moving device comprises a slide 1, a ram 2 arranged in the slide 1 and a spindle box 3 slidably connected to the ram;

[0019] There are two slides 1, which are symmetrically installed on two gantry columns 4; the slide 1 is provided with a hollow square hole; the slide 2 is installed in the square hole; and a motor for driving the spindle box 3 to move is arranged inside the slide 1.

[0020] The slide 2 is a square slide structure with four-side guidance, including eight sliding guide rails 5 arranged at the four corners of the square hole of the slide seat 1, and one side of the two sliding guide rails 5 at each corner is fitted to form a ninety-degree angle; the width of the sliding guide rail 5 is 100mm~200mm, and the length is equal to the depth of the square hole of the slide seat 1; the surfaces of the sliding guide rails 5 of the slide 2 are quenched and fine-ground, and the hardness reaches above HRC55; the cross-sectional area of ​​the slide is 450mm×450mm.

[0021] The utility model adopts a thermal symmetric design, and the center of the main shaft in the main shaft box 3 coincides with the center of the ram and the center of the ram 2, which effectively ensures geometric accuracy and reduces thermal deformation.

[0022] The ram 2 and the slide seat 1 are both cast from ductile iron or grey cast iron HT250 or HT300, and the position where the ram 2 is mounted on the slide seat 1 is covered with plastic or a guide rail soft tape and then scraped.

[0023] In summary, the utility model can enhance the rigidity of the milling machine, solve the vibration problem in the machine tool processing project, and make the surface processing quality of the product meet the technical requirements.

Claims

1. A CNC double-sided milling spindle moving device, characterized in that: It comprises a slide seat (1), a ram (2) arranged in the slide seat (1), and a spindle box (3) slidably connected to the ram; The slide seat (1) is provided with a hollow square hole; the slide pillow (2) is installed in the square hole; The slide ram (2) comprises eight sliding guide rails (5) arranged at four corners of the square hole of the slide seat (1), and one side of two sliding guide rails (5) at each corner are arranged in close contact to form a ninety-degree angle; The center of the main shaft in the main shaft box (3) coincides with the center of the ram and the center of the ram (2).

2. The CNC double-sided milling spindle moving device according to claim 1 is characterized in that: There are two slide seats (1), which are symmetrically mounted on two gantry columns (4).

3. The CNC double-sided milling spindle moving device according to claim 1 is characterized in that: A motor for driving the spindle box (3) to move is arranged inside the slide seat (1).

4. The CNC double-sided milling spindle moving device according to claim 1 is characterized in that: The width of the sliding guide rail (5) is 100 mm to 200 mm, and the length is equal to the depth of the square hole of the slide seat (1).

5. The CNC double-sided milling spindle moving device according to claim 1 is characterized in that: A guide rail soft belt is arranged at a position on the slide seat (1) where the slide ram (2) is installed.

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