Novel large-torque double-motor rotary table

Abstract

The utility model discloses a novel large-torque dual-motor rotary table, which relates to the technical field of rotary tables and comprises a rotary table lathe bed, a rotary table sliding seat is slidably connected to the upper side of the rotary table lathe bed, and second motors are fixedly connected to two sides of the interior of the rotary table sliding seat. By the adoption of the structure, the four brake cylinders are arranged in the rotary table sliding base, a brake is loosened during rotation, the brake is locked during machining, machining vibration displacement is effectively reduced, and the machining precision is higher; the two large-torque second motors are used for driving the two self-made anti-backlash gear boxes to be symmetrically arranged on the two sides of the workbench; the problem of eccentric wear of a gear ring caused by the fact that force generated by a traditional rotary table deviates to one side is solved, a single motor gear box drives the enlarged gear ring, the torque can be amplified by 3500 times, 13 high-pressure oil floating aluminum plates are matched, the center is matched with a circular grating, rotation is stable and smooth, precision is high, and the problems of abnormal sound, wriggling, insufficient precision and the like during large-load-bearing operation of a traditional gear box are solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of rotary table, especially a new type big torque double motor rotary table. BACKGROUND

[0002] In the boring machine machining industry, for the cutting of large heavy workpieces, the rotary table is one of the key equipment, and as an important accessory in the boring machine machining, it is mainly used for carrying and rotating workpieces to realize multi-angle and multi-position machining.

[0003] At present, the double motor design is generally that the motor is added with a speed reducer on one side of the slide, which may not have problems under small bearing tonnage, but under the condition of a large bearing workbench, the eccentric force may cause the workbench to rotate unsmoothly, and with the increase of the use time of the machine tool, the risk of poor positioning accuracy caused by the deformation of the gear ring may also occur, therefore, improvement is needed. UTILITY MODEL CONTENTS

[0004] In view of the problems mentioned in the background art, the utility model aims to provide a new type big torque double motor rotary table to solve the problems mentioned in the background art.

[0005] The above technical purpose of the utility model is realized by the following technical scheme:

[0006] A new type big torque double motor rotary table, comprising a rotary table bed, the upper side of the rotary table bed is slidably connected with a rotary table slide, the inside of the rotary table slide is fixedly connected with a second motor on both sides, the inside of the rotary table slide is fixedly connected with a gear box on both sides, the side of the gear box is fixedly connected with a transmission gear, the side of the transmission gear is meshedly connected with a gear ring, the side of the gear ring is fixedly connected with a workbench, the inside of the workbench is fixedly connected with an aluminum plate, the inside of the rotary table slide is provided with four brake cylinders, the workbench is rotatably connected to the rotary table slide through a circular grating.

[0007] As a preferred technical scheme, one end of the rotary table bed is fixedly connected with a first motor, the output end of the first motor is fixedly connected with a speed reducer, the side of the speed reducer is provided with a motor base, the side of the motor base is provided with a bearing seat, and the output end of the first motor is fixedly connected with a lead screw.

[0008] As a preferred technical scheme, the lead screw is threadedly connected with a nut seat, and the nut seat is fixedly connected to one end of the rotary table slide.

[0009] As a preferred technical scheme, the bottom end of the rotary table slide is fixedly connected with a first sliding rail on one side, the top end of the rotary table bed is fixedly connected with a first sliding seat, and the first sliding seat is slidably connected with the first sliding rail.

[0010] As a preferred technical solution, the bottom end of the rotary table slide is fixedly connected with the second slide rail on both sides of the first slide rail, the top end of the rotary table bed body is fixedly connected with the second slide on both sides of the first slide, and the second slide is slidably connected with the second slide rail.

[0011] As a preferred technical solution, the inside of the workbench is provided with a through hole, and the through hole is provided with a plurality of.

[0012] In summary, the utility model mainly has the following beneficial effects:

[0013] By being provided with four brake cylinders in the rotary table slide, the brake is loosened during rotation, the brake is locked during machining, the machining vibration displacement is effectively reduced, the machining precision is higher, the workbench uses two large torque second motors to drive two self-made gap elimination gear boxes to be placed symmetrically on both sides, the gear ring bias wear problem caused by the traditional rotary table force deviation to one side is solved, a single motor gear box drives the enlarged gear ring, the torque can be enlarged by 3500 times, cooperates with 13 high-pressure oil floating aluminum plates, the center cooperates with a circular grating, rotates stably and smoothly, has high precision, and solves the problems of abnormal sound, peristalsis and insufficient precision of the traditional gear box during large bearing operation. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model;

[0015] Figure 2 It is a side view structural schematic diagram of the utility model;

[0016] Figure 3 It is a rotary table slide sectional view structural schematic diagram of the utility model;

[0017] Figure 4 It is a rotary table slide sectional view structural schematic diagram of the utility model.

[0018] The drawings show that: 1, the rotary table bed body; 2, the rotary table slide; 3, the first motor; 31, the screw rod; 4, the speed reducer; 5, the motor base; 6, the bearing seat; 7, the workbench; 8, the nut seat; 9, the first slide; 10, the first slide rail; 11, the second slide; 12, the second slide rail; 13, the second motor; 14, the gear box; 15, the transmission gear; 16, the gear ring; 17, the aluminum plate; 18, the brake cylinder; 19, the through hole; 191, the circular grating. DETAILED DESCRIPTION

[0019] EMBODIMENT

[0020] REFERENCE Figures 1 to 4The embodiment described a new type of large torque double motor rotary table, including rotary table bed 1, the upper side of rotary table bed 1 is slidably connected with rotary table slide 2, the inside of rotary table slide 2 is fixedly connected with second motor 13 on both sides, the inside of rotary table slide 2 is fixedly connected with gear box 14 on both sides, the side of gear box 14 is fixedly connected with transmission gear 15, the side of transmission gear 15 is meshedly connected with gear ring 16, the side of gear ring 16 is fixedly connected with workbench 7, workbench 7, rotary table slide 2 and rotary table bed 1 all adopt high-quality cast iron HT300, the structure is optimized and strengthened for large bearing, the inside of workbench 7 is fixedly connected with aluminum plate 17, the inside of rotary table slide 2 is provided with brake cylinder 18, and the brake cylinder 18 is provided with four, usually refers to the hydraulic or pneumatic components related to the brake system, the components work together to realize the brake function of the vehicle, workbench 7 is rotatably connected on rotary table slide 2 through circular grating 191, through the above setting, it is suitable for large heavy workpiece cutting in boring machine machining industry, solves the insufficient bearing and the peristalsis phenomenon caused by the eccentric driving of the traditional ordinary rotary table when machining large heavy workpiece, improves the machining precision and efficiency.

[0021] Reference Figures 1-2 One end of rotary table bed 1 is fixedly connected with first motor 3, the output end of first motor 3 is fixedly connected with speed reducer 4, one side of speed reducer 4 is provided with motor base 5, one side of motor base 5 is provided with bearing seat 6, the output end of first motor 3 is fixedly connected with lead screw 31; through fixing motor base 5 on rotary table bed 1, fixing first motor 3 on motor base 5, connecting speed reducer 4 with first motor 3, fixing lead screw 31 on bearing seat 6, so that first motor 3 can drive lead screw 31 to rotate, thereby driving rotary table slide 2 to move on rotary table bed 1, changing the position of workpiece.

[0022] Reference Figure 1 Nut seat 8 is threadedly connected on lead screw 31, and nut seat 8 is fixedly connected at one end of rotary table slide 2; through installing nut seat 8 on lead screw 31, nut seat 8 is fixed with rotary table slide 2, so that rotary table slide 2 can slide on rotary table bed 1, adjusting the horizontal position of workbench 7, changing the position of workpiece.

[0023] Reference Figure 1The bottom end of the rotary table slide 2 is fixedly connected with a first slide rail 10 on one side, the top end of the rotary table bed 1 is fixedly connected with a first slide 9, the first slide 9 is slidably connected with the first slide rail 10, the bottom end of the rotary table slide 2 is fixedly connected with a second slide rail 12 on both sides of the first slide rail 10, the top end of the rotary table bed 1 is fixedly connected with a second slide 11 on both sides of the first slide 9, and the second slide 11 is slidably connected with the second slide rail 12; the first slide rail 10 is slid on the first slide 9, the second slide rail 12 is slid on the second slide 11, and the workbench 7 can stably move on the rotary table bed 1 by installing the first slide rail 10 and the second slide rail 12 at the bottom of the rotary table slide 2 and the first slide 9 and the second slide 11 on the rotary table bed 1.

[0024] Reference Figure 1 A plurality of through holes 19 are arranged in the workbench 7; the through holes 19 are arranged in the workbench 7, so that the weight of the workbench 7 is reduced, and the workbench 7 is convenient to rotate.

[0025] Principle and advantages: four brake cylinders 18 are arranged in the rotary table slide 2, the brake is loosened during rotation, the second motor 13 drives the transmission gear 15 to rotate through the gear box 14, the transmission gear 15 drives the gear ring 16 to rotate, the gear ring 16 drives the workbench 7 to rotate, so that the angle of the workpiece on the workbench 7 is adjusted, the brake is locked during machining, the machining vibration displacement is effectively reduced, the machining precision is higher, two self-made gap-eliminating gear boxes 14 are symmetrically arranged on both sides and driven by two large-torque second motors 13, the problem of gear ring 16 eccentric wear caused by the force of the traditional rotary table being deviated to one side is solved, 13 high-pressure oil floating aluminum plates 17 are matched, the center is matched with a circular grating 191, rotation is stable and smooth, the precision is high, and the problems of abnormal sound, peristalsis and insufficient precision of the traditional gear box 14 during large bearing operation are solved.

Claims

1. A new type of large torque dual-motor rotary table, comprising a rotary table bed (1), characterized in that: The upper side of the rotary table bed body (1) is slidably connected with a rotary table slide (2), both sides of the interior of the rotary table slide (2) are fixedly connected with a second motor (13), both sides of the interior of the rotary table slide (2) are fixedly connected with a gear box (14), one side of the gear box (14) is fixedly connected with a transmission gear (15), one side of the transmission gear (15) is meshedly connected with a gear ring (16), one side of the gear ring (16) is fixedly connected with a workbench (7), the interior of the workbench (7) is fixedly connected with an aluminum plate (17), the interior of the rotary table slide (2) is provided with a brake cylinder (18), and the brake cylinder (18) is provided with four, and the workbench (7) is rotatably connected to the rotary table slide (2) through a circular grating (191).

2. A novel large-torque dual-motor rotary table according to claim 1, characterized in that: One end of the rotary table bed body (1) is fixedly connected with a first motor (3), the output end of the first motor (3) is fixedly connected with a speed reducer (4), one side of the speed reducer (4) is provided with a motor base (5), one side of the motor base (5) is provided with a bearing seat (6), and the output end of the first motor (3) is fixedly connected with a lead screw (31).

3. A novel large-torque dual-motor rotary table according to claim 2, characterized in that: The lead screw (31) is threadedly connected with a nut seat (8), and the nut seat (8) is fixedly connected to one end of the rotary table slide (2).

4. A novel large-torque dual-motor rotary table according to claim 1, characterized in that: The bottom end of the rotary table slide (2) is fixedly connected with a first slide rail (10), and the top end of the rotary table bed body (1) is fixedly connected with a first slide (9).

5. A novel large-torque dual-motor rotary table according to claim 4, characterized in that: The bottom end of the rotary table slide (2) is fixedly connected with a second slide rail (12) on both sides of the first slide rail (10), and the top end of the rotary table bed body (1) is fixedly connected with a second slide (11) on both sides of the first slide (9).

6. A novel large torque dual-motor rotary table according to claim 1, characterized in that: The interior of the workbench (7) is provided with a plurality of through holes (19).

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