Simple fourth-shaft DD motor numerical control rotary table

Abstract

The utility model relates to the technical field of machine tools, in particular to a simple fourth-shaft DD motor numerical control rotary table which comprises a fourth-shaft rotary table and a supporting table which are rotationally connected with the two ends of a shell, and an electrical mechanism for enhancing machining precision is arranged on the shell. By arranging the electrical mechanism and adopting the design of the built-in permanent magnet motor, the overall structure is more compact, the axial and radial precision of the rotary table is improved by using the combined design of the tapered roller bearing and the angular contact bearing, and in addition, higher precision and stability can be kept during high-speed operation, so that the machining precision of a workpiece is ensured, and the machining efficiency is improved. By arranging the electrical mechanism, an internal wire, an air pipe and a cooling water pipe can be led out of the whole device, so that the appearance of the whole device is kept clean and tidy, overall disassembly and installation are convenient, maintenance is easy and convenient, a vacuum suction cup and an electromagnetic suction cup are combined for use, machining of materials with different hardness can be achieved, and machining efficiency is improved. And the machining application range and flexibility are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to lathe technical field especially, relates to a simple fourth axis DD motor numerical control rotary table. BACKGROUND

[0002] In the field of numerical control processing, the fourth axis numerical control rotary table has important significance for improving the processing efficiency and precision, the DD motor numerical control rotary table adopts the mode that motor directly drives the load, has no speed reducer, and the structure is compact. Its working principle is that the DD motor directly drives the power rotary table to rotate, and then drives the workbench to rotate, so that three-dimensional rotation and pitching control are realized.

[0003] The rotary table in the prior art is prone to instability when running at high speed, thereby reducing the axial and radial precision, and the existing rotary table is prone to stable layout of wires, air pipes and cooling water pipes, which can affect the appearance neatness and maintenance convenience. In addition, the existing rotary table is not easy to quickly process different materials, reducing the adaptability of the processed materials. In view of this, we provide a simple fourth axis DD motor numerical control rotary table. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies of the prior art, the utility model provides a simple fourth axis DD motor numerical control rotary table, which solves the technical problems that the rotary table in the prior art is prone to poor precision, poor appearance and neatness, and is not easy to process different materials, thereby reducing the workpiece processing effect, and achieves the purpose of improving the workpiece processing precision and stability. It is also convenient to disassemble and install the whole, maintenance is simple, and it can also process different materials, improve the application range and flexibility of processing.

[0005] To solve the above technical problems, the utility model provides the following technical scheme: a simple fourth axis DD motor numerical control rotary table, which comprises a fourth axis rotary table and a support table rotatably connected to both ends of a shell.

[0006] The electrical mechanism comprises a fourth axis shell connected to the support table, the shell is provided with a threading hole one and a threading hole two, the shell is connected with an electrical combination slip ring, the shell is internally provided with an oil seal one, the shell is rotatably connected with an angular contact bearing, the shell is internally provided with a permanent magnet motor rotor and a permanent magnet motor stator, the shell is connected with a main shaft, the main shaft is connected with a tapered roller bearing connected to the inside of the shell, the shell is internally provided with an oil seal two, the shell is provided with a flange, the shell is internally provided with an electromagnetic chuck, the shell is internally provided with a vacuum chuck, and the shell top is provided with a circular knife workpiece connected to the vacuum chuck.

[0007] Preferably, the fourth shaft turntable is provided with a wire outlet hole, and the support table is also provided with a wire outlet hole penetrating through both ends thereof.

[0008] Preferably, the shell is internally connected with internal wires, air pipes and cooling water pipes, and the three are led out from the middle of the fourth shaft turntable through the wire penetrating holes one and two.

[0009] Preferably, the support table is internally provided with a plurality of groups of fourth shaft brakes, and the vacuum suction cups are distributed above the electromagnetic suction cups.

[0010] Preferably, the electrical combination slip rings are distributed at the bottom end of the main shaft, and the shell is provided with a plurality of groups of turntable sleeves.

[0011] Preferably, the oil seals one and two are respectively distributed at the upper and lower ends of the main shaft, and the two have the same function.

[0012] By means of the above technical scheme, the utility model provides a simple fourth shaft DD motor numerical control turntable, which has at least the following beneficial effects:

[0013] 1. The utility model discloses an electrical mechanism, adopts the design of built-in permanent magnet motor, makes the overall structure more compact, and the installation process is relatively simple and convenient, and the combination design of conical roller bearings and angular contact bearings is adopted, so that the axial and radial precision of the turntable is improved, and in addition, higher precision and stability can be maintained during high-speed operation, so that the precision of workpiece machining is ensured.

[0014] 2. The utility model discloses an electrical mechanism, can lead internal wires, air pipes and cooling water pipes out of the whole device, so that the appearance of the whole device is kept clean and tidy, the whole device is convenient to disassemble and install, maintenance is relatively simple, and the combination use of vacuum suction cups and electromagnetic suction cups can process different hardness materials, so that the processing application range and flexibility are improved. DRAWINGS

[0015] The drawings described herein are used to provide further understanding of the present application, constitute a part of the present application, and the illustrative embodiments of the present application and the description thereof are used to explain the present application, and do not constitute improper limitation on the present application.

[0016] In the drawings:

[0017] Figure 1 It is a whole structure schematic view of the utility model;

[0018] Figure 2 It is a left side structure schematic view of the utility model;

[0019] Figure 3 It is a right side structure schematic view of the utility model;

[0020] Figure 4 It is a sectional structure schematic view of the utility model.

[0021] In the drawing: 1, fourth shaft rotary table; 2, shell; 3, support table;

[0022] 4, electrical mechanism; 41, fourth shaft shell; 42, threading hole one; 43, threading hole two; 44, electrical combination slip ring; 45, oil seal one; 46, angular contact bearing; 47, permanent magnet motor rotor; 48, permanent magnet motor stator; 49, main shaft; 410, tapered roller bearing; 411, oil seal two; 412, flange; 413, electromagnetic chuck; 414, vacuum chuck; 415, round knife workpiece. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] Embodiment one

[0025] The rotary table of the prior art is prone to poor precision, poor appearance and neatness, and poor machining of different materials, which reduces the machining effect of the workpiece. The embodiment provides a simple fourth shaft DD motor numerical control rotary table, please refer to Figures 1-4 , which can improve the machining precision and stability of the workpiece, is convenient to disassemble and install as a whole, is simple to maintain, and can also cope with machining of different materials, thereby improving the application range and flexibility of machining. The simple fourth shaft DD motor numerical control rotary table comprises a fourth shaft rotary table 1 and a support table 3 rotatably connected to both ends of a shell 2, and the shell 2 is internally connected with internal wires, air pipes and cooling water pipes, thereby improving the adjustment precision of the entire device, and the three are led out from the middle of the fourth shaft rotary table 1 through a threading hole one 42 and a threading hole two 43, thereby improving the convenience of installation, the shell 2 is provided with a plurality of rotary table sleeves, thereby improving the stability of adjustment, the support table 3 is internally provided with a plurality of fourth shaft brakes, thereby ensuring the safety of operators and equipment in emergency situations, and also improving machining precision, in addition, the vibration of the fourth shaft rotary table 1 can be reduced, the stability of the fourth shaft rotary table 1 is maintained, and the machining quality is further improved, the shell 2 is provided with an electrical mechanism 4 for improving machining precision, the electrical mechanism 4 can improve the precision and stability of machining workpieces, and the production quality of the workpieces is improved.

[0026] In the process of machining the workpiece, in order to improve the production accuracy and stability of the workpiece, the electrical mechanism 4 includes a fourth shaft housing 41 connected with the support table 3, the shell 2 is provided with a threading hole one 42 and a threading hole two 43, the shell 2 is connected with an electrical combination slip ring 44, the electrical combination slip ring 44 is distributed at the bottom end of the main shaft 49, the axial and radial accuracy of the fourth shaft turntable 1 is improved, the shell 2 is internally provided with an oil seal one 45, the oil seal one 45 and an oil seal two 411 are respectively distributed at the upper and lower ends of the main shaft 49, the sealing property of the rotation of the main shaft 49 is improved, and the functions of the two are the same, both play a sealing role, the shell 2 is internally rotatably connected with an angular contact bearing 46, the shell 2 is internally provided with a permanent magnet motor rotor 47 and a permanent magnet motor stator 48, the shell 2 is connected with the main shaft 49, the main shaft 49 is connected with a tapered roller bearing 410 connected with the inside of the shell 2, the shell 2 is internally provided with an oil seal two 411, the shell 2 is provided with a flange 412, the shell 2 is internally provided with an electromagnetic chuck 413, the shell 2 is internally provided with a vacuum chuck 414, the vacuum chuck 414 is distributed above the electromagnetic chuck 413, the fixing effect of the workpiece is enhanced, and the shell 2 is provided with a circular knife workpiece 415 connected with the vacuum chuck 414 at the top end. The fourth shaft turntable 1 is internally provided with a permanent magnet motor, power is provided through the operation of the permanent magnet motor, the wires, air pipes and cooling water pipes in the shell 2 are led out of the fourth shaft turntable 1 through the threading hole one 42 and the threading hole two 43, the neatness and beauty of the fourth shaft turntable 1 are improved, the overall disassembly and installation are facilitated, maintenance is facilitated, the oil seal one 45 and the oil seal two 411 improve the sealing property of the shell 2, thereby improving the operation accuracy, and through the mutual cooperation of the electromagnetic chuck 413 and the vacuum chuck 414, workpieces of different materials can be fixed, the material applicability is improved, the vacuum chuck 414 fixes the workpiece through the generation of vacuum adsorption force, is suitable for non-metallic materials, the electromagnetic chuck 413 fixes the workpiece through electromagnetic force, is suitable for conductive materials, thereby realizing high-precision and high-stability workpiece machining, and meeting the machining requirements of different materials.

[0027] It should be noted that in this text, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0028] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A simple type of fourth axis DD motor numerical control rotary table, comprising a fourth axis rotary table (1) and a support table (3) which are rotatably connected with both ends of a shell (2), characterized in that: The shell (2) is provided with an electrical mechanism (4) for enhancing machining precision; The electrical mechanism (4) comprises a fourth shaft housing (41) connected with the support (3), the shell (2) is provided with a threading hole one (42) and a threading hole two (43), the shell (2) is connected with an electrical combination slip ring (44), the shell (2) is internally provided with an oil seal one (45), the shell (2) is internally rotatably connected with an angular contact bearing (46), the shell (2) is internally provided with a permanent magnet motor rotor (47) and a permanent magnet motor stator (48), the shell (2) is connected with a main shaft (49), the main shaft (49) is connected with a tapered roller bearing (410) connected with the inside of the shell (2), the shell (2) is internally provided with an oil seal two (411), the shell (2) is provided with a flange (412), the shell (2) is internally provided with an electromagnetic chuck (413), the shell (2) is internally provided with a vacuum chuck (414), and the shell (2) is provided with a circular knife workpiece (415) connected with the vacuum chuck (414) at the top end.

2. A simple type of fourth-axis DD motor numerical control rotary table according to claim 1, characterized in that: The fourth shaft turntable (1) is provided with a wire outlet hole, and the support (3) is also provided with a wire outlet hole penetrating through both ends thereof.

3. A simple type of fourth-axis DD motor numerical control rotary table according to claim 1, characterized in that: The inside of the shell (2) is connected with internal wires, air pipes and cooling water pipes, and all of them are led out from the middle of the fourth shaft turntable (1) through the threading hole one (42) and the threading hole two (43).

4. A simple type of 4th axis DD motor numerical control rotary table according to claim 1, characterized in that: The support (3) is internally provided with a plurality of groups of fourth shaft brakes, and the vacuum chuck (414) is distributed above the electromagnetic chuck (413).

5. A simple type of fourth-axis DD motor numerical control rotary table according to claim 1, characterized in that: The electrical combination slip ring (44) is distributed at the bottom end of the main shaft (49), and the shell (2) is provided with a plurality of groups of turntable sleeves.

6. A simple type of fourth-axis DD motor numerical control rotary table according to claim 1, characterized in that: The oil seal one (45) and the oil seal two (411) are respectively distributed at the upper and lower ends of the main shaft (49), and the functions of the two are the same.

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