Apparatus and method for aligning a spindle head and a rotary table in a gear machining industry

Abstract

The application provides a device and method for centering a spindle box and a rotary table in a gear machining industry, characterized by measuring the centers of a spindle box and a rotary table of a disc cutter gear milling machine, calculating the difference between the two centers, and adjusting the relative positions of the two centers to meet the gear machining requirements; the application has the advantages of not needing complicated measuring tools and strong theoretical knowledge, being easy to learn and accurate in measurement; the application uses a centering tool to replace the center of the spindle of the spindle box, uses a centering mandrel to replace the center of the rotary table, uses the radius of the centering mandrel as half of the thickness of the cutter disc, measures the difference between the side surface of the centering tool and the side surface of the centering mandrel, obtains the distance between the two centers, and then adjusts the distance to obtain relatively high accuracy; compared with the prior art, the application has the advantages of simple measuring tools, simple operation, low measuring cost, short measuring time, and high measuring accuracy.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of gear machining, in particular to a device and method for centering a main shaft box and a rotary worktable in the gear machining industry. BACKGROUND

[0002] Centering a main shaft box and a rotary worktable is an important process in the assembly and machining of gear machining machines, and the accuracy of centering directly affects the machining precision of gears. It is a key step before gear machining. The existing centering operation of the main shaft box and the rotary worktable is complex and time-consuming. SUMMARY

[0003] The present application relates to the technical field of gear machining, in particular to a device and method for centering a main shaft box and a rotary worktable in the gear machining industry.

[0004] To achieve the above-mentioned purpose, the present application adopts the following technical scheme: a device and method for centering a main shaft box and a rotary worktable in the gear machining industry, the milling machine feeding system includes a rotary worktable 1, an X-axis feeding system 2, a Z-axis feeding system 3, a feeding drag plate 4, a main shaft box 5, a main shaft box centering tool 6, a rotary worktable core rod 7, a flat ruler 8 and a column 9; the column 9 is driven by the ball screw pair G1 of the X-axis feeding system 2 to make X-axis feeding; the feeding drag plate 4 is driven by the ball screw pair G2 of the Z-axis feeding system 3 to make Z-axis feeding; the main shaft box 5 is installed on the feeding drag plate 4; the main shaft box centering tool 6 is installed at the main shaft end face of the main shaft box 5; the rotary worktable 6 is installed on the X-axis feeding system 2, and the rotary worktable 6 is driven by a worm and gear pair to make circular rotary motion.

[0005] The main shaft box centering tool 6 is used to replace the side surface of the main shaft cutter head, making it easy to measure the side surface position of the main shaft cutter head with a dial gauge; the rotary worktable core rod 7 is used to align the center of the core rod with the center of the rotary worktable by rotating the rotary worktable, and different diameter core rods are used to simulate different width cutter heads, so that the side surface of the core rod replaces the side surface of the cutter head, which is easy to measure with a dial gauge.

[0006] For cutter heads of different thicknesses, only different diameter rotary worktable core rods 7 are needed to measure.

[0007] A method for centering a main shaft box and a rotary worktable in the gear machining industry, characterized in that it comprises the following steps:

[0008] S1; the rotary table core rod 7 is placed in the center of the rotary table 1, and is aligned with the center of the rotary table 1 through dial adjustment;

[0009] S2; the level 8 is placed on the rotary table 1, and is adjusted to be parallel to the X-axis feeding system 2 through dial adjustment;

[0010] S3; the dial gauge is pushed on the level 8, and the side surface of the spindle box centering tool 6 and the side surface of the rotary table core rod 7 are measured respectively, and the difference between the two is calculated, so that the center of the spindle box cutter head and the center of the rotary table are aligned through adjustment

[0011] In the step S3, the level parallel to the X-axis direction is used as a reference, the dial gauge is pushed in the direction of the level, the spindle box centering tool 6 and the rotary table core rod 7 are touched respectively, and the dial difference is calculated, which is the relative position of the spindle box and the rotary table that needs to be adjusted.

[0012] Compared with the prior art, the present application has the following beneficial effects:

[0013] The present application has the advantages that no complex measuring tool is needed, no strong theoretical knowledge is needed, and accurate measurement data can be obtained quickly.

[0014] The present application uses the centering tool to replace the spindle center of the spindle box, uses the centering core rod to replace the center of the rotary table, uses the half radius of the core rod as the basis for the thickness of the cutter head, measures the difference between the side surface of the centering tool and the side surface of the core rod, and then adjusts the distance between the two centers, so that higher accuracy can be obtained.

[0015] Compared with the prior art, the present application uses simple measuring tools, is easy to operate, has low measurement cost, short measurement time and high measurement accuracy. DETAILED DESCRIPTION

[0016] Figure 1 It is a device structure diagram for the centering of the spindle box and the rotary table of the present application;

[0017] Figure 2 It is a measurement diagram of the present application;

[0018] Figure 3 It is a structure diagram of the adjusting plate of the present application;

[0019] Figure 4 It is a structure diagram of the spindle box centering tool of the present application;

[0020] Figure 5 It is an adjusting plate installation diagram in the embodiment of the present application.

[0021] In the figure: 1, rotary table; 2, X-axis feeding system; 3, Z-axis feeding system; 4, feeding plate; 5, spindle box; 6, spindle box centering tool; 7, rotary table core rod; 8, flat ruler; 9, column; 10, middle adjusting plate. DETAILED DESCRIPTION

[0022] The technical solutions of the present application will be described clearly and completely below in combination with the drawings of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0023] A device and method for centering a spindle box and a rotary table in the gear machining industry, the milling gear machine feeding system comprising a rotary table 1, an X-axis feeding system 2, a Z-axis feeding system 3, a feeding plate 4, a spindle box 5, a spindle box centering tool 6, a rotary table core rod 7, a flat ruler 8 and a column 9; the column 9 is driven by a ball screw pair G1 of the X-axis feeding system 2 to make X-axis feeding; the feeding plate 4 is driven by a ball screw pair G2 of the Z-axis feeding system 3 to make Z-axis feeding; the spindle box 5 is installed on the feeding plate 4; the spindle box centering tool 6 is installed at the spindle end face of the spindle box 5; the rotary table 1 is installed on the X-axis feeding system 2, and the rotary table 6 is driven by a worm and gear pair of its own motor to make circular rotation.

[0024] The spindle box centering tool 6 is used to replace the side surface of the spindle cutter head, so that the side surface position of the spindle cutter head can be easily measured by using a dial gauge; the rotary table core rod 7 is used to align the center of the core rod with the center of the rotary table by rotating the rotary table, and different diameter core rods are used to simulate cutter heads of different widths, so that the side surface of the core rod replaces the side surface of the cutter head, which can be easily measured by using a dial gauge.

[0025] For cutter heads of different thicknesses, only the rotary table core rod 7 of different diameters needs to be used for measurement.

[0026] A method for centering a spindle box and a rotary table in the gear machining industry, characterized in that the following steps are included.

[0027] S1; the rotary table core rod 7 is placed in the center of the rotary table 1, and is adjusted to be aligned with the center of the rotary table 1 by dialing;

[0028] S2; the flat ruler 8 is placed on the rotary table 1, and is adjusted to be parallel to the X-axis feeding system 2 by dialing;

[0029] S3; using a dial gauge, push the dial gauge on the surface plate 8, measure the side of the spindle box centering tool 6 and the side of the rotary table mandrel 7 respectively, calculate the difference between the two, and align the spindle box tool holder center and the rotary table 1 center by adjusting.

[0030] In step S3, using the already calibrated surface plate parallel to the X-axis direction as a reference, push the dial gauge along the surface plate direction, respectively touch the spindle box centering tool 6 and the rotary table mandrel 7, calculate the dial gauge difference, which is the relative position of the spindle box and the rotary table 1 that needs to be adjusted.

[0031] When in use; use the thickness of the tool holder to make the rotary table centering mandrel, and turn a 100mm diameter cylinder as the rotary table centering mandrel. Suck the dial gauge on the spindle box, touch the side of the mandrel, rotate the rotary table, adjust the position of the mandrel through the dial gauge data, until the mandrel and the rotary table center are aligned;

[0032] Install the spindle box centering tool, so that the side of the tool and the end face of the spindle are flush;

[0033] Place the marble surface plate on the rotary table, and suck the dial gauge on the spindle box centering tool. Touch the surface plate with the dial gauge, and move the X-axis to measure whether the surface plate is parallel to the X-axis movement direction. At the same time, move the rotary table back and forth to touch the surface plate until the surface plate is parallel to the X-axis direction.

[0034] Use the depth gauge to measure the distance from the surface plate to the spindle box centering tool and the rotary table mandrel respectively, calculate the difference, and coarsely adjust the position of the rotary table and the spindle box. The bed body is provided with centering adjustment plates on both sides, one side of the centering adjustment plate is fixed on the rotary table by screws, as shown in Figure 5 The centering adjustment plates are installed on both sides of the bed body, and the rotary table is moved by screws to coarsely adjust the position of the rotary table;

[0035] Use the dial gauge to measure the distance from the surface plate to the spindle box centering tool and the rotary table mandrel respectively, calculate the difference, and finely adjust the position of the rotary table and the spindle box by moving the rotary table with the centering adjustment plates on both sides of the bed body. When fine adjusting, the operator observes the dial gauge reading at the same time to control the relative movement distance of the bed body and the rotary table, and finally aligns the rotary table and the spindle box.

[0036] The above shows and describes the basic principles, main features and advantages of the present application. Those skilled in the art should understand that the present application is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only preferred examples of the application and are not intended to limit the application. Without departing from the novel spirit and scope of the present application, various changes and improvements can be made to the application, and these changes and improvements all fall within the scope of the claimed application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A device for aligning a spindle box and a rotary table in the gear processing industry, characterized in that, The milling machine feed system includes a rotary table (1), an X-axis feed system (2), a Z-axis feed system (3), a feed slide (4), a spindle box (5), a spindle box centering fixture (6), a rotary table mandrel (7), a straightedge (8), and a column (9); the column (9) is driven by the ball screw of the X-axis feed system (2) to perform X-axis feed; the feed slide (4) is driven by the ball screw of the Z-axis feed system (3) to perform Z-axis feed; the spindle box (5) is mounted on the feed slide (4); the spindle box centering fixture (6) is mounted on the spindle end face of the spindle box (5); the rotary table (1) is mounted on the X-axis feed system (2), and the rotary table (1) is driven by its own motor worm gear pair to perform circumferential rotation. For cutter heads of different thicknesses, it is only necessary to use the rotary table mandrel (7) of different diameters to measure. The side of the spindle box centering fixture (6) and the side of the rotary table mandrel (7) are measured respectively, and the difference between the two is calculated. By adjustment, the center of the spindle box cutter head and the center of the rotary table are aligned.

2. A method for centering the device for centering the spindle box and rotary table in the gear processing industry as described in claim 1, characterized in that, The following steps are involved; S1; The rotary table mandrel (7) is placed in the center of the rotary table (1) and aligned with the center of the rotary table (1) by adjusting the dial indicator; S2; The straightedge (8) is placed on the rotary table (1) and adjusted to be parallel to the X-axis feed system (2) by dial indicator; S3; Use a dial indicator to move on a straightedge (8) to measure the side of the spindle box centering fixture (6) and the side of the rotary table mandrel (7) respectively, calculate the difference between the two, and adjust them to align the center of the spindle box cutter head and the center of the rotary table.

3. The alignment method of the device for aligning the spindle box and rotary table in the gear processing industry according to claim 2, characterized in that, In step S3, using the already calibrated straightedge parallel to the X-axis as a reference, push the dial indicator along the straightedge direction to touch the spindle box centering fixture (6) and the rotary table mandrel (7) respectively, and calculate the dial indicator difference, which is the relative position of the spindle box and the rotary table (1) that needs to be adjusted.

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