Special numerical control rotary table for grinding machine

Abstract

The utility model discloses a special numerical control rotary table for a grinding machine, which belongs to the technical field of rotary tables and comprises a flat plate, a rotating shaft is rotatably connected in a placement box, the upper end face of the rotating shaft extends to the upper side of the placement box and is fixedly connected with a rotary table body, and a worm gear is fixedly connected to the outer wall of the rotating shaft. A worm matched with a worm gear is rotationally connected into the placement box, a screw rod is driven by the output end of a first servo motor to rotate, so that a T-shaped sliding block moves front and back in a T-shaped sliding groove, the position of the placement box is changed, then a driving gear is driven by the output end of a second servo motor, and a driven gear is meshed with the driving gear to drive the placement box to move back and forth. The numerical control rotary table has the advantages that the position of the numerical control rotary table is convenient to adjust, the applicability is high, the practicability is good, vibration and noise of the rotary table are reduced, and the machining precision is guaranteed.

Description

Technical Field

[0001] This utility model relates to the field of rotary table technology, and in particular to a CNC rotary table for grinding machines. Background Technology

[0002] A grinding machine is a machine tool that uses grinding wheels to grind the surface of a workpiece. Most grinding machines use high-speed rotating grinding wheels for grinding. CNC grinding machines generally have the characteristics of high versatility, high modularity, high precision, high rigidity, high efficiency and high adaptability. Grinding machines need to be used in conjunction with CNC rotary tables to process workpieces.

[0003] Most existing CNC rotary tables are fixed in position. After the workpiece is fixed on the CNC rotary table, it is rotated by the CNC rotary table. The grinding process of the workpiece needs to be performed by changing the position of the grinding tool. This has great limitations on the individual workpieces. The processing needs to be based on the movement range of the grinding tool, which has poor applicability. There are also movable CNC rotary tables now, but they are more cumbersome to operate and have limited practicality. In addition, existing CNC rotary tables may generate vibration and noise during use, and the processing accuracy cannot be guaranteed. Utility Model Content

[0004] To address the problems mentioned above, this utility model provides a CNC rotary table specifically for grinding machines, which features easy adjustment of the rotary table's position, strong applicability, good practicality, reduced rotary table vibration and noise, and guaranteed machining accuracy.

[0005] This utility model is implemented as follows: a CNC rotary table for grinding machines includes a flat plate. Two equally spaced guide rails are fixedly connected to the upper end face of the flat plate. The outer walls of the two guide rails are slidably connected to rail sleeves. A movable plate is fixedly connected to the upper end face of the two rail sleeves. A T-shaped groove is formed on the upper end face of the movable plate. A screw is rotatably connected inside the T-shaped groove. A T-shaped slider is threadedly connected to the outer wall of the screw. The upper end face of the T-shaped slider extends to the outside of the T-shaped groove and is fixedly connected to a mounting box. A first servo motor is installed on the front end face of the movable plate. The output end of the first servo motor is fixedly connected to the screw.

[0006] The placement box is rotatably connected to a rotating shaft. The upper end face of the rotating shaft extends to the top of the placement box and is fixedly connected to a turntable body. A worm gear is fixedly connected to the outer wall of the rotating shaft. A worm matching the worm gear is rotatably connected to the inside of the placement box.

[0007] The placement box is equipped with a drive mechanism inside.

[0008] In order to drive the worm to rotate, as a kind of grinding machine special numerical control rotary table preferred of the utility model, the driving mechanism includes the driven gear fixedly connected on the outer wall of the worm, the front end surface of the installation box is equipped with the second servo motor, the output of the second servo motor extends to the inside of installation box and is fixedly connected with the driving gear meshing with the driven gear.

[0009] In order to limit the rotary table body, as a kind of grinding machine special numerical control rotary table preferred of the utility model, the upper end surface of the installation box is fixedly connected with the limit ring, and the lower end surface of the rotary table body is provided with the ring groove matched with the limit ring.

[0010] In order to prevent the movable plate from separating from the guide rail, as a kind of grinding machine special numerical control rotary table preferred of the utility model, the upper end surface of the flat plate is fixedly connected with the baffle located at the right side of the two guide rails.

[0011] In order to drive the movable plate to move left and right, as a kind of grinding machine special numerical control rotary table preferred of the utility model, the upper end surface of the flat plate is provided with the electric telescopic rod through the support, the lower end surface left side of the movable plate is fixedly connected with the fixed plate, and the output end of the electric telescopic rod is fixedly connected with the fixed plate.

[0012] In order to facilitate the installation of the flat plate, as a kind of grinding machine special numerical control rotary table preferred of the utility model, the upper end surface of the flat plate is provided with the fixed hole at the four corners.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] The utility model discloses, through the output end of electric telescopic rod drive fixed plate, make fixed plate drive movable plate move, make movable plate drive rail sleeve move left and right on the outer wall of guide rail, change the position of movable plate, then through the output end of first servo motor drive screw rotation, make T type sliding block move back and forth in T type sliding groove, change the position of installation box, convenient for adjusting the position of numerical control rotary table, strong applicability;

[0015] Then through the output end of second servo motor drive driving gear, the driven gear and driving gear meshing with each other, make driven gear drive worm rotation, convenient for driving worm gear and rotating shaft rotation, make rotary table body rotate on the outer wall of limit ring, good practicality, reduce the vibration and noise of rotary table, guarantee processing accuracy. ACCURACY

[0016] Fig. 1 It is the overall structural drawing of the utility model kind of grinding machine special numerical control rotary table;

[0017] Fig. 2 It is the overall cut structure drawing of the utility model;

[0018] Fig. 3Partially exploded structural view of the utility model.

[0019] In the drawing, 1, flat plate;2, guide rail;3, rail sleeve;4, fixing hole;5, movable plate;6, fixed plate;7, baffle;8, electric telescopic rod;9, T-shaped sliding groove;10, T-shaped sliding block;11, screw;12, first servo motor;13, setting box;14, rotating shaft;15, worm wheel;16, worm;17, rotary table body;18, ring groove;19, limiting ring;20, second servo motor;21, driving gear;22, driven gear. DETAILED DESCRIPTION

[0020] In order to make the utility model purposes, technical scheme and advantages more clearly, the following is combined with the drawings and examples, and the utility model is further described in detail.It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.

[0021] In the description of the utility model, it should be understood that the orientation or positional relationship indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.In addition, in the description of the utility model, the meaning of "a plurality of" is two or more, unless otherwise specifically limited.

[0022] Please refer to Figs. 1-3 A numerical control rotary table special for a grinding machine, including flat plate 1, the upper end surface of flat plate 1 is fixedly connected with two equidistant distribution guide rails 2, the outer wall of two guide rails 2 is slidably connected with rail sleeve 3, the upper end surface of two rail sleeves 3 is fixedly connected with movable plate 5, the upper end surface of movable plate 5 is provided with T-shaped sliding groove 9, T-shaped sliding groove 9 is rotatably connected with screw 11 in the inside, the outer wall of screw 11 is threadedly connected with T-shaped sliding block 10, the upper end surface of T-shaped sliding block 10 extends to the outside of T-shaped sliding groove 9 and is fixedly connected with setting box 13, the front end surface of movable plate 5 is installed with first servo motor 12, the output end of first servo motor 12 is fixedly connected with screw 11;

[0023] The inside of setting box 13 is rotatably connected with rotating shaft 14, the upper end surface of rotating shaft 14 extends to the upper side of setting box 13 and is fixedly connected with rotary table body 17, the outer wall of rotating shaft 14 is fixedly connected with worm wheel 15, the inside of setting box 13 is rotatably connected with worm 16 matched with worm wheel 15;

[0024] The inside of setting box 13 is provided with driving mechanism.

[0025] In the embodiment, the output end of the electric telescopic rod 8 drives the fixed plate 6, the fixed plate 6 drives the movable plate 5 to move, the movable plate 5 drives the rail sleeve 3 to move left and right on the outer wall of the guide rail 2, the output end of the first servo motor 12 drives the screw rod 11 to rotate, the T-shaped sliding block 10 moves forward and backward in the T-shaped sliding groove 9, the position of the installation box 13 is changed, the operation is simpler, the output end of the second servo motor 20 drives the driving gear 21, the driven gear 22 is meshed with the driving gear 21, the driven gear 22 drives the worm 16 to rotate, the worm gear 15 and the rotating shaft 14 are driven to rotate, the rotating body 17 of the rotary table rotates on the outer wall of the limiting ring 19, the position of the numerical control rotary table is adjusted, the adaptability is strong, the practicality is good, the vibration and noise of the rotary table are reduced, and the machining precision is ensured.

[0026] As a technical optimization scheme of the utility model, the driving mechanism includes the driven gear 22 fixedly connected to the outer wall of the worm 16, the front end face of the installation box 13 is provided with the second servo motor 20, the output end of the second servo motor 20 extends to the inside of the installation box 13 and is fixedly connected with the driving gear 21 meshed with the driven gear 22.

[0027] In the embodiment, the output end of the second servo motor 20 drives the driving gear 21, the driven gear 22 is meshed with the driving gear 21, the driven gear 22 drives the worm 16 to rotate, the working efficiency is higher, and the generation of vibration noise is reduced.

[0028] As a technical optimization scheme of the utility model, the upper end face of the installation box 13 is fixedly connected with the limiting ring 19, and the lower end face of the rotary table body 17 is provided with the ring groove 18 matched with the limiting ring 19.

[0029] In the embodiment, the limiting ring 19 and the ring groove 18 are slidably connected, the rotary table body 17 rotates more stably, the possibility of vibration is reduced, and noise is reduced.

[0030] As a technical optimization scheme of the utility model, the upper end face of the flat plate 1 is fixedly connected with the baffle 7 located on the right side of the two guide rails 2.

[0031] In the embodiment, the baffle 7 prevents the rail sleeve 3 from falling off the outer wall of the guide rail 2.

[0032] As a technical optimization scheme of the utility model, the upper end face of the flat plate 1 is provided with the electric telescopic rod 8 through a support, the lower end face of the movable plate 5 is fixedly connected with the fixed plate 6 on the left side, and the output end of the electric telescopic rod 8 is fixedly connected with the fixed plate 6.

[0033] In the embodiment, the output end of the electric telescopic rod 8 drives the fixed plate 6, the fixed plate 6 drives the movable plate 5 to move left and right, the working efficiency is higher, and the movement control is more accurate.

[0034] As a technical optimization scheme of the utility model, the fixing hole 4 is arranged at the upper end face of the flat plate 1.

[0035] In the embodiment: the fixing hole 4 is arranged at the upper end face of the flat plate 1, so that the flat plate 1 can be fixed on the machining platform.

[0036] The working principle and use process of the utility model are as follows:

[0037] Firstly, the flat plate 1 is fixed on the machining platform through the fixing hole 4 and the bolt, then the fixed plate 6 is driven by the output end of the electric telescopic rod 8, the movable plate 5 is driven by the fixed plate 6, the movable plate 5 drives the track sleeve 3 to move left and right on the outer wall of the guide rail 2, the position of the movable plate 5 is changed, then the screw rod 11 is rotated by the output end of the first servo motor 12, the T-shaped sliding block 10 moves forward and backward in the T-shaped sliding groove 9, so that the position of the installation box 13 is changed, the operation is simpler, the position of the numerical control rotary table is adjusted, and the applicability is strong.

[0038] Then the workpiece to be machined is clamped on the upper end face of the rotary table body 17 through the clamp, then the driving gear 21 is driven by the output end of the second servo motor 20, the driven gear 22 is meshed with the driving gear 21, the driven gear 22 drives the worm 16 to rotate, the worm wheel 15 and the rotating shaft 14 are driven to rotate, the rotary table body 17 rotates on the outer wall of the limiting ring 19, the utility is good, the vibration and noise of the rotary table are reduced, and the machining precision is ensured.

[0039] The above is only a preferred embodiment of the utility model, and is not used to limit the utility model, any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A special purpose CNC rotary table for grinding machines comprising a flat plate (1), characterized by: The upper end surface of the flat plate (1) is fixedly connected with two equidistantly distributed guide rails (2), the outer walls of the two guide rails (2) are slidably connected with rail sleeves (3), the upper end surfaces of the two rail sleeves (3) are fixedly connected with movable plates (5), the upper end surface of the movable plate (5) is provided with a T-shaped sliding groove (9), the inside of the T-shaped sliding groove (9) is rotatably connected with a screw rod (11), the outer wall of the screw rod (11) is threadedly connected with a T-shaped sliding block (10), the upper end surface of the T-shaped sliding block (10) extends to the outside of the T-shaped sliding groove (9) and is fixedly connected with a placement box (13), the front end surface of the movable plate (5) is provided with a first servo motor (12), and the output end of the first servo motor (12) is fixedly connected with the screw rod (11). The inside of the placement box (13) is rotatably connected with a rotating shaft (14), the upper end surface of the rotating shaft (14) extends above the placement box (13) and is fixedly connected with a rotating table body (17), the outer wall of the rotating shaft (14) is fixedly connected with a worm wheel (15), and the inside of the placement box (13) is rotatably connected with a worm gear (16) matched with the worm wheel (15). The inside of the placement box (13) is provided with a driving mechanism.

2. The special CNC rotary table for grinding machine according to claim 1, characterized in that: The driving mechanism comprises a driven gear (22) fixedly connected to the outer wall of the worm gear (16), the front end surface of the placement box (13) is provided with a second servo motor (20), the output end of the second servo motor (20) extends to the inside of the placement box (13) and is fixedly connected with a driving gear (21) meshing with the driven gear (22).

3. The special purpose CNC rotary table for a grinding machine of claim 1 wherein: The upper end surface of the placement box (13) is fixedly connected with a limiting ring (19), and the lower end surface of the rotating table body (17) is provided with a ring groove (18) matched with the limiting ring (19).

4. The special purpose CNC rotary table for a grinding machine of claim 1 wherein: The upper end surface of the flat plate (1) is fixedly connected with a baffle (7) located on the right side of the two guide rails (2).

5. The special purpose CNC rotary table for a grinding machine of claim 1 wherein: The upper end surface of the flat plate (1) is provided with an electric telescopic rod (8) through a support, the lower end surface of the movable plate (5) is fixedly connected with a fixed plate (6) on the left side, and the output end of the electric telescopic rod (8) is fixedly connected with the fixed plate (6).

6. The special purpose CNC rotary table for a grinding machine of claim 1 wherein: The upper end surface of the flat plate (1) is provided with fixed holes (4) at the four corners.

Images