High-precision vertical type machining center

A vertical machining center, high-precision technology, applied in the direction of metal processing, metal processing equipment, metal processing machinery parts, etc., can solve the problem of decreased machining accuracy of the machining center, easy chips falling on the guide rail, poor working stability, etc. problems, to achieve the effect of improving machining accuracy, good protection effect, and strong overall rigidity

Active Publication Date: 2015-07-29
普锐米勒机床(东莞)有限公司
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AI-Extracted Technical Summary

Problems solved by technology

[0003] Although the existing machining centers can meet the needs of machining and use, their structures are relatively complex, bulky, and large in size, which brings inconvenience to installation and maintenance; moreover, machining centers will generate chips during the working process. To prevent the chips from entering the guide rail Cause wear between the workbench and the guide rail, it is usually necessary to...
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Abstract

The invention discloses a high-precision vertical type machining center comprising a pedestal, an upright column, a worktable, a spindle case, a PLC controller, a machining spindle component, a Y-axis movement mechanism, an X-axis movement mechanism and a Z-axis movement mechanism. The worktable comprises a saddle, a worktable plate, a telescopic protecting cover, and a sliding rail extension bracket. The saddle is installed on the Y-axis movement mechanism. The X-axis movement mechanism comprises a linear sliding rail and a sliding block. One end of the telescopic protecting cover is connected with the worktable plate; the other end is connected with the sliding rail extension bracket. The high-precision vertical type machining center is reasonable in structural design. An automatic control is conducted by the PLC controller, and the purpose of the automatic machining can be achieved by clamping once, with fast machining speed, high precision and good working stability. Moreover, by reasonably designing the worktable, the rigidity and the stability of the entire structure are increased, thereby effectively reducing the vibration. With the high machining precision, the stable running, and the good protecting effect, the cutting chips or other foreign materials are effectively prevented from dropping onto the guide rail, thus the service life is long.

Application Domain

Technology Topic

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  • High-precision vertical type machining center
  • High-precision vertical type machining center
  • High-precision vertical type machining center

Examples

  • Experimental program(1)

Example Embodiment

[0025] See Figure 1 to Figure 8 , This embodiment provides a high-precision vertical machining center, which includes a base 4, a column 2, a worktable 3, a spindle box 1, a PLC controller, and machining processes connected to and controlled by the PLC controller. The main shaft assembly 5, the Y-axis moving mechanism 6, the X-axis moving mechanism 7 and the Z-axis moving mechanism 8, the column 2 is arranged at the rear position of the base 4, and the Y-axis moving mechanism 6 is arranged at the front position of the base 4.
[0026] The spindle box body 1 is arranged on the column 2 through the Z-axis moving mechanism 8. The spindle box body 1 includes a spindle mounting horizontal part 11 and a sliding seat mounting vertical part 12, the sliding seat mounting vertical part 12 is vertically arranged on the spindle mounting horizontal part 11, the back of the sliding seat mounting vertical part 12 is provided with a column slider mounting position, the head of the spindle mounting horizontal part 11 is provided with a mounting shaft hole 111 for setting the machining spindle assembly 5, the machining spindle assembly 5 is set on the mounting shaft hole 111, and the distance L between the axis line of the machining spindle assembly 5 and the sliding block of the column 2 is equal to the height H of the vertical part 12 of the sliding seat.
[0027] See figure 2 , The workbench 3 includes a saddle 31, a workbench 32, a telescopic protective cover 35 and a slide rail extension support frame 36, the saddle 31 is disposed on the Y-axis moving mechanism 6, and the X-axis moving mechanism 7 includes The linear sliding rail 33 and the sliding block 34 are arranged on both sides of the upper surface of the saddle 31, and the two ends of the linear sliding rail 33 extend out of the two end surfaces of the saddle 31, and the worktable 32 passes through the sliding The block 34 is movably arranged on the linear slide rail 33. The slide rail extension support frame 36 is provided on the end surface of the saddle 31 corresponding to the position below the linear slide rail 33, and extends to a certain extent along the long side of the linear slide rail 33. Distance, the top surface of the slide rail extension support 36 abuts against the bottom surface of the linear slide rail 33, one end of the telescopic protective cover 35 is connected to the table 32, and the other end is connected to the slide rail extension support 36 on the shelf.
[0028] Specifically, see image 3 An angle iron 351 is provided on the upper surface of one end of the telescopic protective cover 35, the angle iron 351 is provided with a mounting hole, and a screw hole corresponding to the mounting hole is provided on the end surface of the worktable 32 The bottom edge of the other end of the telescopic shield 35 extends downward to form a connecting portion 352, and the connecting portion 352 is provided with a mounting hole at a position corresponding to the sliding rail extension support 36. One end surface of the slide rail extension support frame 36 is pressed against the end surface of the saddle 31, and the other end surface is provided with a screw hole corresponding to the mounting hole on the connecting portion 352, and the slide rail extension support frame 36 A screw hole is provided on the top surface near one end of the saddle 31, and a through hole corresponding to the screw hole is provided on the linear slide rail 33. The outer side wall of the saddle 31 is provided with a plurality of square recesses; a Y-axis connecting portion 311 is integrally formed on one side of the bottom surface of the saddle 31, the Y-axis connecting portion is ring-shaped, and a gap is provided in the middle of the bottom.
[0029] Specifically, see Figure 4 with Figure 5 , The connection between the main shaft mounting horizontal part 11 and the sliding seat mounting vertical part 12 is provided with reinforcing ribs, which can further improve the overall rigidity and structural strength. The head end surface of the spindle mounting horizontal portion 11 is provided with a square recess, the middle position of the square recess is provided with a vertical partition, the back of the sliding seat mounting vertical portion 12 is integrally formed with a Z-axis connecting portion 121, and the Z-axis connecting The portion 121 has a ring shape, and a notch is provided on one side. A plurality of square recesses 122 are provided on both sides of the sliding seat installation vertical portion 12, and criss-crossing ribs 123 can be formed on the outer side wall of the slide seat installation vertical portion 12 between two adjacent square recesses.
[0030] Specifically, see Image 6 with Figure 7 The column 2 is a column 21 with a square cross-section. The bottom of the column 21 symmetrically protrudes on both sides to form a support seat 22. The upper part of the support seat 22 is gradually reduced, and the lower part extends vertically downward. The middle of the bottom surface of the support base 22 is recessed inward to form an obtuse-angle groove 221, and both sides protrude downward to form a mounting portion 222. The mounting portion is provided with a vertical mounting hole and is on the side wall of the support base 22 A cavity is provided to expose the vertical mounting hole. Specifically, the number of the vertical mounting holes is four, and the number of cavities is also four. A reinforced partition is formed between two adjacent cavities 26, so as to further reduce the overall rigidity and structural strength. Materials.
[0031] Preferably, the column body 21 is a hollow body, the cross-sectional profile of the inner cavity 212 of the column body 21 is a square, and a plurality of criss-crossing ribs 211 are arranged on the inner wall of the inner cavity. The angle a of the obtuse-angle groove 221 is 160 degrees. On the basis of ensuring the structural strength, maximize the space to facilitate the installation of components such as guide rails and screws.
[0032] Preferably, a square groove 223 is provided on the obtuse groove 221 corresponding to the position between the inner wall of the inner cavity and the outer side of the support base 22. A concave surface 224 is provided on the front surface of the support base 22. On the basis of ensuring the overall rigidity and structural strength, the materials used are minimized, the cost is reduced, and the weight is reduced accordingly, which brings convenience to installation and maintenance. A Y-axis guide rail mounting bar 213 is provided symmetrically on both sides of the front side of the column 21. A Y-axis motor mounting seat 214 is provided on the inner side of the upper end of the Y-axis guide rail mounting bar 213, and a Y-axis screw rod is provided on the inner side of the lower end. The bearing mount 215 brings convenience to installation and use.
[0033] Specifically, see Figure 8 The base 4 is a seat body 41 that is integrally cast with resin sand. The bottom surface of the four corners of the seat body 41 protrudes downward to form a support foot 42. The support foot 42 is provided with mounting holes 43, and The side wall of the seat body 41 is provided with a recess 44 that allows the mounting hole 43 to be exposed. The top surface of the seat body 41 is provided with a convex strip 45 at the peripheral position, and the middle position is provided with a convex platform 46 with a square contour. A water channel 40 can be formed between the 46 and the convex strip 45, the cutting fluid does not leak out, and it is easy to clean and maintain. The middle of the boss 46 is provided with an assembling groove 47, the assembling groove 47 is provided with a Y-axis component mounting bar 48, and the rear of the boss 46 is symmetrically provided with saddles 49 on both sides. The saddle 49 can be better matched and installed with the column 2, and the connection is firm, the stability is good, and the stability during raw cutting and high-speed operation is ensured.
[0034] Based on the disclosure and teaching of the foregoing specification, those skilled in the art to which the present invention belongs can also make changes and modifications to the foregoing embodiments. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should also fall within the protection scope of the claims of the present invention. In addition, although some specific terms are used in this specification, these terms are only for convenience of description and do not constitute any limitation to the present invention. As described in the foregoing embodiments of the present invention, other processing centers obtained by adopting the same or similar structure are all within the protection scope of the present invention.
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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