CN116748573A - An integrated bed manufacturing and testing method for blisk milling five-axis horizontal machining center - Google Patents

Abstract

The invention discloses a manufacturing and detecting method of an integrated lathe bed of a five-axis horizontal machining center of a leaf disc mill, which comprises the following steps: the method for manufacturing the integrated machine tool of the five-axis horizontal type machining center of the leaf disc milling comprises the steps of fixing a machine tool on a five-face machining center of a gantry, machining a vertical transverse X-axis guide rail at the end part of the machine tool by using a right-angle milling head of the five-face machining center of the gantry, additionally installing an angle milling head on the right-angle milling head of the five-face machining center of the gantry, machining a horizontal longitudinal Z-axis guide rail at the upper end surface of the machine tool, enabling the X-axis guide rail and the Z-axis guide rail to finish machining on the same machine tool through the conventional component switching, guaranteeing machining precision, and meanwhile, detecting the integrated machine tool of the five-axis horizontal type machining center of the leaf disc milling by using a flat ruler as a reference coordinate system to detect the X-axis guide rail and the Z-axis guide rail, effectively measuring deviation and an included angle of the X-axis guide rail and the Z-axis guide rail after assembly by using a sliding plate and a sliding seat.

Description

An integrated bed manufacturing and testing method for blisk milling five-axis horizontal machining center

Technical field

The invention belongs to the technical field of CNC machine tools, and more specifically, relates to an integrated bed manufacturing and testing method for a blisk milling five-axis horizontal machining center.

Background technique

The main bed of the new product blisk milling five-axis horizontal machining center is designed as an integrated welded bed with an overall "gantry" frame structure. The bed is integrally processed with transverse X-axis guide rails (carriage movement) and longitudinal Z-axis guide rails (workbench movement). ), ensuring the verticality of the guide rail is 0.02mm. This structural design has the characteristics of high rigidity and high stability, but it puts forward high technical requirements for single-piece processing, accuracy detection and accuracy detection in the assembly state. The existing processing, assembly and detection methods are difficult to achieve complete processing. Machine design accuracy requirements, this problem has become an urgent technical problem that technicians in the field need to solve, and has seriously affected the production and assembly progress and assembly quality of machine tools.

Contents of the invention

The purpose of the present invention is to address the deficiencies in the existing technology and solve the problem of difficulty in ensuring accuracy in the processing and assembly testing of the X-axis and Z-axis of existing "gantry" machine tools.

In order to achieve the above object, the present invention provides a method for manufacturing an integrated bed of a blisk milling five-axis horizontal machining center, including:

Fix the bed on the gantry five-sided machining center;

Use the right-angle milling head of the gantry five-sided machining center to process the vertical and horizontal X-axis guide rail at the end of the bed;

An angle milling head is added to the right-angle milling head of the gantry five-sided machining center to process a horizontal longitudinal Z-axis guide rail on the upper end of the bed.

The invention also provides an integrated bed detection method for a blisk milling five-axis horizontal machining center, including:

The lathe has a horizontal longitudinal Z-axis guide rail at one end and a vertical transverse X-axis guide rail at the other end;

A leveling ruler is provided on the bed through a leveling base;

Adjust the leveling base so that the leveling ruler is set horizontally on the bed;

Use the Z-axis guide rail as the benchmark to align the longitudinal direction of the flat ruler so that the longitudinal direction of the flat ruler is parallel to the longitudinal direction of the Z-axis guide rail;

Measure the parallelism deviation between the lateral direction of the X-axis guide rail and the lateral direction of the flat ruler;

Calculate the verticality deviation of the Z-axis guide rail and the X-axis guide rail based on the parallelism deviation.

Optionally, also includes:

The ruler is a marble ruler and is T-shaped;

There are two Z-axis guide rails, and the two Z-axis guide rails are spaced and parallel to each other on the bed, and one end of the flat ruler is located between the two Z-axis guide rails.

There are two X-axis guide rails, one X-axis guide rail is provided at the rear lower end of the lathe, and the other X-axis guide rail is spaced directly above the lathe through a frame.

Optionally, the longitudinal alignment of the ruler using the Z-axis guide rail as a reference includes:

The Z-axis guide rail is groove-shaped and includes a flat bottom and a vertical wall perpendicular to the flat bottom;

The X-axis guide rail is groove-shaped and includes a vertical bottom and a flat wall perpendicular to the vertical bottom;

Place the first push gauge of the first dial indicator on the Z-axis guide rail so that one end of the first push gauge fits the vertical wall close to the side of the flat ruler;

Translate the first push gauge and the first dial indicator along the Z-axis guide rail, and adjust the flat ruler horizontally according to the indication of the first dial indicator until the longitudinal direction of the flat ruler is parallel to the longitudinal direction of the Z-axis guide rail.

Optionally, measuring the parallelism deviation between the lateral direction of the X-axis guide rail and the lateral direction of the flat ruler includes:

Place the second push gauge of the second dial indicator on the X-axis guide rail so that one end of the second push gauge fits the flat wall close to the side of the flat ruler;

Translate the second push gauge and the second dial indicator along the X-axis guide rail, and observe and record the change in the indication of the second dial indicator;

The verticality of the X-axis guide rail and the Z-axis guide rail is determined based on the fluctuation of the second dial indicator.

Optionally, assembly detection is also included, and the assembly detection includes:

Connect the slide base to the Z-axis guide rail;

Place the fourth dial indicator on the sliding seat, and the head of the fourth dial indicator is connected to the longitudinal side wall of the flat ruler;

Slide the slide along the Z-axis guide rail and observe the fluctuation of the fourth dial indicator;

According to the fluctuation of the fourth dial indicator, recheck that the longitudinal direction of the flat ruler is parallel to the longitudinal direction of the Z-axis guide rail.

Optionally, also includes:

Connect the slide plate to the X-axis guide rail;

Place the third dial indicator on the sliding plate, and the head of the third dial indicator is connected to the transverse side wall of the flat ruler;

Slide the slide plate along the X-axis guide rail and observe the fluctuation of the third dial indicator;

According to the fluctuation of the third dial indicator, the base surface of the X-axis guide rail is repaired, reprocessed or assembled, scraped and adjusted.

Optionally, the sliding seat is U-shaped.

Optionally, adjusting the leveling base so that the ruler is horizontally placed on the bed includes:

Multiple leveling bases are provided between the leveling ruler and the bed;

There are multiple levels on the upper end of the ruler;

Adjust the plurality of leveling bases to the level of the ruler according to the plurality of levels.

Optionally, the leveling bases are respectively disposed at the ends and middle portions of the level ruler, and the levels are disposed corresponding to the leveling bases.

The beneficial effects of the integrated bed detection method of a blisk milling five-axis horizontal machining center of the present invention are:

1. This blisk milling five-axis horizontal machining center integrated bed manufacturing method enables the X-axis guide rail and Z-axis guide rail to be processed on the same machine tool in the same coordinate system through the transfer of existing components, ensuring processing accuracy.

2. The integrated bed inspection method of the blisk milling five-axis horizontal machining center is easy to use. It uses a flat ruler as the reference coordinate system to inspect the X-axis guide rail and Z-axis guide rail, and effectively measure the deviation and angle between the two.

3. The integrated bed inspection method of the blisk milling five-axis horizontal machining center can also use the slide plate and slide seat to measure the running deviation in the X and Z directions after assembly, and effectively ensure the accuracy of the inspection by using the same benchmark flat ruler for inspection. and accuracy, and using the leveled ruler to continue testing also saves time in the process of confirming the benchmark.

Other features and advantages of the present invention will be described in detail in the following detailed description.

Description of the drawings

The above and other objects, features and advantages of the present invention will become more apparent by describing the exemplary embodiments of the present invention in more detail with reference to the accompanying drawings, in which the same reference numerals generally refer to the exemplary embodiments of the present invention. Same parts.

Figure 1 shows a schematic connection diagram of the angle head of a method for manufacturing an integrated bed of a blisk milling five-axis horizontal machining center according to an embodiment of the present invention.

Figure 2 shows a schematic diagram of a method for inspecting an integrated bed of a five-axis horizontal machining center for blisk milling according to an embodiment of the present invention, in which the leveling base is adjusted so that the leveling ruler is set horizontally on the bed.

FIG. 3 shows a schematic diagram of the status of measuring the verticality of the Z-axis and the X-axis in an integrated bed detection method for a blisk milling five-axis horizontal machining center according to an embodiment of the present invention.

Figure 4 shows a schematic diagram of the assembly inspection state of an integrated bed inspection method for a blisk milling five-axis horizontal machining center according to an embodiment of the present invention.

Explanation of reference symbols:

1. Right angle milling head; 2. Connecting sleeve; 3. Angle head; 4. X-axis guide rail; 5. Z-axis guide rail; 6. Flat ruler; 7. First dial indicator; 8. Second dial indicator; 9 , The third dial indicator; 10, The fourth dial indicator; 11, Slide plate; 12, Slide base; 13, Leveling base; 14, Level meter.

Detailed ways

Preferred embodiments of the invention will be described in more detail below. Although preferred embodiments of the present invention are described below, it should be understood that the present invention may be implemented in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

As shown in Figure 1, a method for manufacturing an integrated bed of a blisk milling five-axis horizontal machining center includes:

Fix the bed on the gantry five-sided machining center;

Use the right-angle milling head 1 of the gantry five-sided machining center to process the vertical and transverse X-axis guide rail 4 at the end of the bed;

An angle milling head 3 is added to the right-angle milling head 1 of the gantry five-sided machining center, and a horizontal longitudinal Z-axis guide rail 5 is machined on the upper end of the bed.

Specifically, the X-axis guide rail 4 and Z-axis guide rail 5 of the disc milling five-axis horizontal machining center are processed at one time through the same gantry five-sided machining center to ensure the mutual coordinate accuracy of the two.

Furthermore, according to the processing requirements, the machine tool spindle BT60 can be converted into BT50 through the conversion sleeve and then the X-axis guide rail 4 can be processed. The vertical milling cutter can be changed into a horizontal milling cutter through the connecting sleeve 2 and the angle head 3. The horizontal milling cutter can be used to machine the Z-axis guide rail 5.

As shown in Figures 2-3, the present invention also provides an integrated bed detection method for a blisk milling five-axis horizontal machining center, including:

The bed has a horizontal longitudinal Z-axis guide rail 5 at one end and a vertical transverse X-axis guide rail 4 at the other end;

The leveling ruler 6 is set on the bed through the leveling base 13;

Adjust the leveling base 13 so that the leveling ruler 6 is set horizontally on the bed;

Align the longitudinal direction of the flat ruler 6 based on the Z-axis guide rail 5, so that the longitudinal direction of the flat ruler 6 is parallel to the longitudinal direction of the Z-axis guide rail 5;

Measure the parallelism deviation between the lateral direction of the X-axis guide rail 4 and the lateral direction of the flat ruler 6;

Calculate the verticality deviation of the Z-axis guide rail 5 and the X-axis guide rail 4 based on the parallelism deviation.

Specifically, the end faces of the flat ruler 6 are perpendicular to each other. The flat ruler 6 is used as a coordinate reference to measure the verticality of the Z-axis guide rail 5 and the Adjust the horizontal angle of the flat ruler 6 as a reference so that the longitudinal direction of the flat ruler 6 is parallel to the longitudinal direction of the Z-axis guide rail 5, and then measure the parallelism between the flat ruler 6 and the X-axis guide rail 4. If they are parallel, then the X-axis guide rail 4 and the Z-axis guide rail 4 are parallel. The axis guide rail 5 is vertical, otherwise there is a deviation, which can be calculated by the parallelism between the flat ruler 6 and the X-axis guide rail 4 and the trigonometric function.

In this embodiment, it also includes:

Square ruler 6 is a marble square ruler, T-shaped;

There are two Z-axis guide rails 5 . The two Z-axis guide rails 5 are arranged parallel to each other on the bed. One end of the flat ruler 6 is located between the two Z-axis guide rails 5 .

There are two X-axis guide rails 4, one X-axis guide rail 4 is provided at the rear lower end of the bed, and the other X-axis guide rail 4 is spaced directly above the bed through the frame.

Specifically, by adapting the T-shaped marble ruler to the use of the dual Z-axis guide rails 5, it can measure the verticality of the X-axis guide rail 4 and the Z-axis guide rail 5, and also measure the parallelism of the two Z-axis guide rails 5.

Furthermore, the flat ruler 6 can be selected from rectangular, L-shaped, T-shaped, etc. as needed.

In this embodiment, aligning the longitudinal direction of the ruler 6 based on the Z-axis guide rail 5 includes:

The Z-axis guide rail 5 is groove-shaped, including a flat bottom and a vertical wall perpendicular to the flat bottom;

The X-axis guide rail 4 is groove-shaped and includes a vertical bottom and a flat wall perpendicular to the vertical bottom;

Place the first push gauge of the first dial indicator 7 on the Z-axis guide rail 5 so that one end of the first push gauge fits the vertical wall close to the side of the flat ruler 6;

Translate the first push gauge and the first dial indicator 7 along the Z-axis guide rail 5, and adjust the flat ruler 6 horizontally according to the indication of the first dial indicator 7 until the longitudinal direction of the flat ruler 6 is parallel to the longitudinal direction of the Z-axis guide rail 5.

Specifically, the first dial indicator 7 is translated and slid to align the longitudinal direction (width direction) of the flat ruler 6 , in which the flat bottom and vertical wall, vertical bottom and flat wall are used to provide a reference datum. The specific groove-shaped cross-section can be a rectangle or a right-angled trapezoid. Or semi-open L-shaped.

In this embodiment, measuring the parallelism deviation between the lateral direction of the X-axis guide rail 4 and the lateral direction of the flat ruler 6 includes:

Place the second push gauge of the second dial indicator 8 on the X-axis guide rail 4 so that one end of the second push gauge fits the flat wall close to the side of the flat ruler 6;

Translate the second push gauge and the second dial indicator 8 along the X-axis guide rail 4, and observe and record the change in the indication of the second dial indicator 8;

The verticality of the X-axis guide rail 4 and the Z-axis guide rail 5 is determined based on the fluctuation of the second dial indicator 8 .

Specifically, the deviation between the longitudinal direction (length direction) of the flat ruler 6 and the X-axis guide rail 4 is measured by sliding the second dial indicator 8 in translation. Since the longitudinal and transverse directions of the flat ruler 6 are perpendicular to each other, the deviation is the Z-axis guide rail 5 Deviation from X-axis guide rail 4.

As shown in Figure 4, in this embodiment, assembly detection is also included, and assembly detection includes:

Connect the slide 12 to the Z-axis guide rail 5;

Place the fourth dial indicator 10 on the sliding seat 12, and the head of the fourth dial indicator 10 is connected to the longitudinal side wall of the flat ruler 6;

Slide the slide 12 along the Z-axis guide rail 5 and observe the fluctuation of the fourth dial indicator 10;

Recheck according to the fluctuation of the fourth dial indicator 10 that the longitudinal direction of the flat ruler 6 is parallel to the longitudinal direction of the Z-axis guide rail 5 .

In this embodiment, it also includes:

Connect the slide plate 11 to the X-axis guide rail 4;

Place the third dial indicator 9 on the sliding plate 11, and connect the head of the third dial indicator 9 to the transverse side wall of the flat ruler 6;

Slide the slide plate 11 along the X-axis guide rail 4 and observe the fluctuation of the third dial indicator 9;

According to the fluctuation of the third dial indicator 9, the base surface of the X-axis guide rail 4 is repaired, reprocessed or assembled, scraped and adjusted.

Specifically, the sliding plate 11 and the sliding base 12 are used to replace the carriage and the workbench, and the precision detection of the Z-axis and X-axis movements after the bed, the workbench and the carriage are combined in the assembly state are simulated.

Furthermore, the sliding plate 11 is provided with a mounting portion on the side close to the flat ruler 6 for fixing the third dial indicator 9 so as to facilitate the third dial indicator 9 to be close to the flat ruler 6 .

In this embodiment, the sliding seat 12 is U-shaped.

Specifically, the U-shaped avoidance of the flat ruler 6 can avoid the flat ruler 6. There is no need to readjust the flat ruler 6 when the sliding seat 12 and the sliding plate 11 are assembled. It is only necessary to recheck the accuracy of the flat ruler 6 to ensure the accuracy in the assembly state. detection.

In this embodiment, adjusting the leveling base 13 so that the leveling ruler 6 is placed horizontally on the bed includes:

A plurality of leveling bases 13 are provided between the flat ruler 6 and the bed;

A plurality of levels 14 are provided on the upper end surface of the flat ruler 6;

Adjust the plurality of leveling bases 13 to the level of the leveling ruler 6 according to the plurality of levels 14 respectively.

Specifically, multiple levels 14 work together to detect whether the level ruler 6 is level.

In this embodiment, the leveling base 13 is respectively disposed at the end and the middle of the level ruler 6 , and the level 14 is disposed correspondingly to the leveling base 13 .

When using the integrated bed detection method of the five-axis horizontal machining center for blisk milling in this embodiment, the use of a T-shaped marble ruler is used as an example. The main bed of the new product five-axis horizontal machining center for blisk milling is designed as an integrated welded bed. "Gantry" frame structure, the machine bed is integrally processed with 4 horizontal X-axis guide rails (for carriage movement) and 5 longitudinal Z-axis guide rails (for table movement), ensuring the verticality of the guide rails is 0.02mm. For finishing machining, the gantry five-sided machining center uses the right-angle milling head 1 to process the transverse X-axis guide rail 4, and uses the right-angle milling head 1 to process the longitudinal Z-axis guide rail 5 through the connecting sleeve 2/connecting flange mounting angle head 3.

During the inspection, a high-precision electronic level 14 is used to place it on a special T-shaped marble ruler to level it, and then use the Z-axis guide rail 5 as a benchmark to align the longitudinal direction of the T-shaped marble ruler, and use the X-axis guide rail 4 as a benchmark to push Table T-shaped marble ruler is used horizontally to detect the verticality of the Z/X guide rail.

Connect the special tooling slide 12 to the Z-axis slider, connect the special tooling slide 11 to the X-axis slider, combine the testing and pushing tool on the slide 11, move the Z-axis and X-axis respectively, and push the table along the T-shaped marble ruler to detect the accuracy , simulating the vertical accuracy detection and adjustment of Z-axis and X-axis motion after the machine bed, worktable and carriage are combined in the assembly state.

The embodiments of the present invention have been described above. The above description is illustrative, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and variations will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments.

Claims (10)

1. The method for manufacturing the integrated lathe bed of the five-axis horizontal machining center of the leaf disc milling is characterized by comprising the following steps of:

fixing the lathe bed on a gantry pentahedral machining center;

a right-angle milling head of a gantry five-face machining center is used for machining a vertical and transverse X-axis guide rail at the end part of the lathe bed;

and an angle milling head is additionally arranged on a right-angle milling head of the gantry five-face machining center, and a horizontal and longitudinal Z-axis guide rail is machined on the upper end surface of the lathe bed.

2. The method for detecting the integrated lathe bed of the five-axis horizontal machining center of the leaf disc milling is characterized by comprising the following steps of:

one end of the lathe bed is provided with a horizontal and longitudinal Z-axis guide rail, and the other end of the lathe bed is provided with a vertical and transverse X-axis guide rail;

the leveling ruler is arranged on the lathe bed through a leveling base;

adjusting a leveling base to enable the leveling ruler to be horizontally arranged on the lathe bed;

aligning the longitudinal direction of the leveling rule by taking the Z-axis guide rail as a reference, so that the longitudinal direction of the leveling rule is parallel to the longitudinal direction of the Z-axis guide rail;

measuring the deviation of the parallelism between the transverse direction of the X-axis guide rail and the transverse direction of the flat ruler;

and measuring and calculating the perpendicularity deviation of the Z-axis guide rail and the X-axis guide rail according to the parallelism deviation.

3. The method for detecting the integrated bed of the five-axis horizontal machining center of the leaf disc mill according to claim 2, further comprising:

the flat ruler is a T-shaped square Dan Pingche;

the Z-axis guide rails are arranged in two, the two Z-axis guide rails are arranged on the lathe bed at intervals in parallel, and one end of the flat ruler is positioned between the two Z-axis guide rails

The X-axis guide rails are arranged at two, one X-axis guide rail is arranged at the rear lower end part of the lathe bed, and the other X-axis guide rail is arranged right above the lathe bed at intervals through a frame.

4. The method for detecting the integrated bed of the five-axis horizontal machining center for the leaf disc milling of claim 2, wherein the longitudinal direction of the leveling ruler with the Z-axis guide rail as a reference comprises:

the Z-axis guide rail is in a groove shape and comprises a flat bottom and a vertical wall vertical to the flat bottom;

the X-axis guide rail is in a groove shape and comprises a vertical bottom and a flat wall vertical to the vertical bottom;

placing a first gauge pushing tool of a first dial gauge on a Z-axis guide rail, and enabling one end of the first gauge pushing tool to be attached to the vertical wall close to one side of the flat ruler;

and translating the first push gauge and the first dial indicator along the Z-axis guide rail, and horizontally adjusting the flat ruler to be parallel to the longitudinal direction of the Z-axis guide rail according to the indication number of the first dial indicator.

5. The method for detecting the integrated bed of the five-axis horizontal machining center for the leaf disc milling of claim 4, wherein the measuring the deviation of the parallelism of the transverse direction of the X-axis guide rail and the transverse direction of the flat rule comprises:

placing a second push gauge of a second dial gauge on the X-axis guide rail, so that one end of the second push gauge is attached to the flat wall close to one side of the flat ruler;

translating a second push gauge and a second dial gauge along an X-axis guide rail, and observing and recording the indication change of the second dial gauge;

and judging the perpendicularity of the X-axis guide rail and the Z-axis guide rail according to the fluctuation of the second dial indicator.

6. The method for detecting an integrated bed of a five-axis horizontal machining center for leaf disc milling of claim 2, further comprising assembly detection, the assembly detection comprising:

connecting the sliding seat on the Z-axis guide rail;

placing a fourth dial indicator on the sliding seat, wherein the gauge head of the fourth dial indicator is connected with the longitudinal side wall of the flat ruler;

sliding the sliding seat along the Z-axis guide rail to observe the fluctuation of the fourth dial indicator;

and the longitudinal direction of the fluctuation rechecking flat ruler according to the fourth dial indicator is parallel to the longitudinal direction of the Z-axis guide rail.

7. The method for detecting the integrated bed of the five-axis horizontal machining center of the leaf disc mill according to claim 2, further comprising:

connecting the sliding plate on the X-axis guide rail;

placing a third dial indicator on the sliding plate, wherein the gauge head of the third dial indicator is connected with the lateral side wall of the flat ruler;

sliding the sliding plate along the X-axis guide rail to observe the fluctuation of the third dial indicator;

and carrying out repair and reprocessing or assembly scraping adjustment on the X-axis guide rail base surface according to the fluctuation of the third dial indicator.

8. The method for detecting the integrated bed of the five-axis horizontal machining center for the leaf disc milling of claim 6, wherein the sliding seat is U-shaped.

9. The method for inspecting an integrated bed of a five-axis horizontal machining center for a leaf disc mill according to claim 7, wherein adjusting the leveling base to horizontally set the leveling ruler on the bed comprises:

a plurality of leveling bases are arranged between the leveling ruler and the lathe bed;

a plurality of level gauges are arranged on the upper end surface of the flat ruler;

and respectively adjusting the leveling bases to the leveling rule level according to the leveling instruments.

10. The method for detecting the integrated lathe bed of the five-axis horizontal machining center of the leaf disc milling machine according to claim 9, wherein the leveling bases are respectively arranged at the end part and the middle part of the leveling ruler, and the leveling instrument is arranged corresponding to the leveling bases.