Inverted T-shaped horizontal machining center

Abstract

The utility model discloses an inverted T-shaped horizontal machining center, including lathe bed, stand column, carriage, slide plate, disc motor and rotary machining table, lathe bed is T-shaped structure including first base and second base, slide plate is connected on the first base through X-axis guide rail sliding, stand column is connected on the second base through Y-axis guide rail sliding, and the rotary machining table is connected on the slide plate through Y-axis guide rail sliding. The front face of the stand column is slidably connected with the sliding saddle through a Z-axis guide rail, the disc motor is fixed to the sliding plate, the rotary machining table is fixed to an output shaft of the disc motor, and the interior of the first base and the interior of the second base are each of an M-shaped thick rib layout and comprise an M-shaped rib located in the middle and triangular ribs located on the two sides. Triangular reinforcing ribs are arranged in the left side plate and the right side plate of the stand column in the stress direction of the stand column. According to the utility model, the machine body adopts the M-shaped thick rib layout, so that strong support is provided for workpiece processing; the triangular reinforcing ribs are arranged in the stand columns, so that the torsion resistance and the bending resistance rigidity of milling are greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to processing center technical field, concretely relates to a reverse T horizontal machining center. BACKGROUND

[0002] Horizontal machining center is the multi -axis numerical control machine tool with the main shaft axis and the worktable plane horizontal normal intersection layout as the characteristic, and its core function positioning is the efficient precision machining of complex box type structure spare (such as gearbox body, hydraulic valve block, engine cylinder body etc.), the equipment constructs the manufacturing system of multi -dimensional processing capacity integration through the compound motion control of space right angle coordinate system and rotation coordinate system.

[0003] Traditional horizontal machining center can be unstable in structure and unreasonable in stress when running under high load, which affects the precision and stability of the machine tool, and good rigidity and dynamic property cannot be considered at the same time. UTILITY MODEL CONTENT

[0004] The utility model aims at the defects and insufficient of prior art, provides a reverse T horizontal machining center with good rigidity and dynamic property.

[0005] To realize the above-mentioned purpose, the utility model adopts the technical scheme of a reverse T horizontal machining center, including bed, stand, saddle, slide plate, disc motor and rotary machining table, the bed is T type structure, including first base and second base, the slide plate is slidably connected on the first base through X axle guide rail, the stand is slidably connected on the second base through Y axle guide rail, the front of the stand is slidably connected the saddle through Z axle guide rail, the disc motor is fixed on the slide plate, the rotary machining table is fixed on the output shaft of disc motor, and its innovation point lies in that:

[0006] The inside of first base and second base is M type thick rib layout, including M shape rib in middle position and triangular rib on both sides;

[0007] The stand includes bottom plate, left side plate, right side plate and top plate, the inside of left side plate and right side plate is hollow structure, and triangular reinforcing rib is arranged inside according to the stress direction of stand;

[0008] The saddle includes main shaft box, the front of main shaft box is provided with main shaft mounting sleeve and reinforcing plate, the reinforcing plate is respectively provided with annular rib, arc rib and straight line rib, the inner ring of annular rib is sleeved on the outside of main shaft mounting sleeve, the arc rib is concentric circle arranged with main shaft mounting sleeve as center, and the straight line rib is divergent arrangement.

[0009] Further, the bed, stand and saddle are integrally casted.

[0010] Further, the left and right side plates are provided with through holes corresponding to the triangular reinforcing ribs.

[0011] With the above structure, the bed body of the utility model has the beneficial effects that:

[0012] The bed body of the utility model adopts M-shaped thick rib layout to provide strong support for workpiece machining; the triangular reinforcing rib layout is adopted inside the column to greatly improve the torsional and bending rigidity of milling; the slide saddle adopts various reinforcing ribs to improve its strength; in summary, the utility model can improve the dynamic stiffness and dynamic accuracy of machining, reduce tool wear and cost, and reduce machining cost. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a whole structure schematic view of the utility model;

[0014] Figure 2 It is a structure schematic view of the bed body in the utility model;

[0015] Figure 3 It is Figure 2 the sectional view of A-A;

[0016] Figure 4 It is Figure 2 the sectional view of B-B;

[0017] Figure 5 It is a structure schematic view of the column in the utility model;

[0018] Figure 6 It is Figure 5 the sectional view of C-C

[0019] Figure 7 It is a structure schematic view of the slide saddle in the utility model.

[0020] BRIEF DESCRIPTION OF DRAWINGS

[0021] 1 bed body, 11 first base, 12 second base, 13-M thick rib layout, 131-M-shaped rib, 132 triangular rib, 2 column, 21 bottom plate, 22 left side plate, 23 right side plate, 24 top plate, 25 triangular rib, 26 through hole, 3 slide saddle, 31 main shaft box, 32 main shaft mounting sleeve, 33 reinforcing plate, 34 annular rib, 35 arc-shaped rib, 36 straight rib, 4 slide plate, 5 disc motor, 6 rotary machining table. DETAILED DESCRIPTION

[0022] The utility model will be further described below in combination with the drawings.

[0023] In order to make the utility model purposes, technical solutions and advantages more clearly, the following will be further described in detail with the specific embodiments and the accompanying drawings. It should be understood that the specific embodiments described herein are only used to explain the utility model and not used to limit the utility model.

[0024] Referring to Figure 1 A kind of inverted T type horizontal machining center, including bed 1, column 2, saddle 3, slide plate 4, disc motor 5 and rotary machining table 6, bed 1 is T-shaped structure, including first base 11 and second base 12, slide plate 4 is slidably connected on first base 11 by X-axis guide rail, column 2 is slidably connected on second base 12 by Y-axis guide rail, the front of column 2 is slidably connected saddle 3 by Z-axis guide rail, disc motor 5 is fixed on slide plate 4, rotary machining table 6 is fixed on the output shaft of disc motor 5;

[0025] Referring to Figures 2-4 The inside of first base 11 and second base 12 is M type thick rib layout 13, including M-shaped rib 131 located in middle position and triangular rib 132 located on both sides;M-shaped rib 131 and triangular rib 132 complement each other, jointly bear pressure, and bed adopts low gravity center integral design, cooperates with M type thick rib layout, provides strong support for workpiece machining, improves overall rigidity.

[0026] Referring to Figures 5-6 Column 2 includes bottom plate 21, left side plate 22, right side plate 23 and top plate 24, left side plate 22 and right side plate 23 are hollow structure inside, and inside triangular reinforcing rib 25 is arranged according to the stress direction of column;Triangular reinforcing rib 25 can bear the force from column, has strong anti-deformation ability;At the same time, hollow structure is beneficial to weight reduction of non-critical parts, combined with triangular reinforcing rib 25, has excellent bending stiffness;Since left side plate 22 and right side plate 23 are right trapezoidal structures, triangular reinforcing rib 25 is preferably right triangle structure, and is matched with left side plate 22 and right side plate 23.

[0027] Referring to Figure 7 Saddle 3 includes main shaft box 31, main shaft box 31 is provided with main shaft mounting sleeve 32 and reinforcing plate 33 on the front, reinforcing plate 33 is respectively provided with annular rib 34, arc rib 35 and straight rib 36, inner ring of annular rib 34 is sleeved on the outside of main shaft mounting sleeve 32, arc rib 34 is concentrically arranged with main shaft mounting sleeve as center, and straight rib 36 is divergently arranged. First, main shaft box 31 is structurally enhanced by reinforcing plate 33, second, annular rib 34 enhances the strength of main shaft mounting sleeve 32, third, arc rib 35 and straight rib 36 increase the compression strength of reinforcing plate, so that saddle 3 has excellent anti-deformation ability, thereby improving the stability during machining.

[0028] In the embodiment, the lathe bed 1, the column 2 and the slide saddle 3 are integrally cast, so that the strength is increased and the service life is prolonged.

[0029] Referring to Figures 5-6 The left and right sides of the left side plate 22 and the right side plate 23 are provided with through holes 26, and the through holes 26 correspond to the triangular reinforcing ribs 25 one by one. The column is provided with the through holes 26, which is beneficial to weight reduction of non-critical parts, and the through holes 26 are preferably triangular structures, which are matched with the triangular reinforcing ribs 25, and the two complement each other to improve the overall compression strength of the column.

[0030] The above description is only used to illustrate the technical scheme of the utility model and is not limited, and other modifications or equivalent replacements of the technical scheme of the utility model made by the ordinary skilled in the art should be covered in the claim range of the utility model.

Claims

1. An inverted T-shaped horizontal machining center, comprising a bed, a column, a slide saddle, a slide plate, a disc motor, and a rotary machining table, wherein the bed has a T-shaped structure and includes a first base and a second base; the slide plate is slidably connected to the first base via an X-axis guide rail; the column is slidably connected to the second base via a Y-axis guide rail; the front of the column is slidably connected to the slide saddle via a Z-axis guide rail; the disc motor is fixed to the slide plate; and the rotary machining table is fixed to the output shaft of the disc motor, characterized in that: The interior of both the first base and the second base has an M-shaped ribbed layout, including an M-shaped rib in the middle and triangular ribs on both sides; The column includes a base plate, a left side plate, a right side plate, and a top plate. The left side plate and the right side plate have a hollow structure inside, and triangular reinforcing ribs are set inside according to the force direction of the column. The slide saddle includes a spindle box, and a spindle mounting sleeve and a reinforcing plate are provided on the front of the spindle box. The reinforcing plate is provided with annular ribs, arc ribs and straight ribs respectively. The inner circle of the annular ribs is fitted outside the spindle mounting sleeve. The arc ribs are arranged concentrically with the spindle mounting sleeve as the center. The straight ribs are arranged in a radiating pattern.

2. The inverted T-shaped horizontal machining center according to claim 1, characterized in that: The bed, column, and slide are all cast in one piece.

3. The inverted T-shaped horizontal machining center according to claim 1, characterized in that: Through holes are provided on both the left and right sides of the left and right plates, and each through hole corresponds to a triangular reinforcing rib.

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