CN211305515U - Rotary worktable for CNC (computer numerical control) machine tool - Google Patents

Abstract

The utility model relates to the technical field of numerical control machining, in particular to a rotary table for a CNC machine tool, comprising a base, a first support seat and a second support seat are oppositely arranged on the base, the first support seat and the second support A first rotating shaft and a third rotating shaft are respectively arranged on the base along the same axis, a first driving mechanism matched with the first rotating shaft is arranged on the first support base, a rotating base is connected between the first rotating shaft and the third rotating shaft, and the rotating base A second rotating shaft is arranged in the middle insert sleeve of the second rotating shaft, the lower end of the second rotating shaft is connected with the second driving mechanism arranged at the bottom of the rotating base, the upper end of the second rotating shaft is connected with a rotating plate seat, and the upper end of the rotating plate seat is detachably connected with a positioning dial; Realize that the product can be processed on multiple surfaces at one time, and the processing efficiency is high.

Description

A rotary table for CNC machine tools

technical field

The utility model relates to the technical field of numerical control machining, in particular to a rotary table for a CNC machine tool.

Background technique

CNC machining center is a kind of machining and is a new type of machining technology. The main job is to compile machining programs, that is, to convert the original manual work into computer programming. In the prior art, during processing, multiple surfaces of the workpiece need to be processed. Generally, after processing one surface, the other surface is re-clamped and positioned, and the processing of such a workpiece requires multiple positioning and clamping. The disassembly and assembly time is long, and the machine tool standby time is long, resulting in low processing efficiency.

Utility model content

The purpose of the utility model is to provide a rotary table for CNC machine tools with simple structure, reasonable design and convenient use. Rotating on the horizontal plane can realize the multi-face processing of the product at one time positioning, and the processing efficiency is high.

The purpose of the present invention can be achieved through the following technical solutions.

A rotary table for CNC machine tools includes a base, a first support seat and a second support seat are oppositely arranged on the base, and a first rotating shaft is respectively provided on the first support seat and the second support seat along the same axis and the third rotating shaft, the first support base is provided with a first drive mechanism that cooperates with the first rotating shaft, a rotating base is connected between the first rotating shaft and the third rotating shaft, the middle of the rotating base is inserted into the sleeve with a second rotating shaft, the third rotating shaft is The lower ends of the two rotating shafts are connected with the second driving mechanism arranged at the bottom of the rotating base, the upper ends of the second rotating shafts are connected with a turntable base, and the upper end of the turntable base is detachably connected with a positioning turntable.

Preferably, a plurality of positioning holes are formed on the surface of the positioning turntable in an annular array.

Preferably, four groups of first photoelectric sensors are arranged on the rotating base at uniform intervals around the second rotating shaft, and the bottom of the positioning turntable is provided with a first light shielding plate matched with the first photoelectric sensors.

Preferably, four groups of second photoelectric sensors are arranged on the second support base at uniform intervals around the third rotating shaft, and the left end of the third rotating shaft is provided with a second light shielding plate matched with the second photoelectric sensor.

Preferably, the first drive mechanism includes a first reducer and a first motor arranged at the right end of the first support base to cooperate with each other, the output end of the first motor is connected to the input end of the first reducer, and the output end of the first reducer connected to the first shaft.

Preferably, the second drive mechanism includes a second reducer and a second motor arranged at the bottom of the rotating base to cooperate with each other, the output end of the second motor is connected to the input end of the second reducer, and the output end of the second reducer is connected to the first reducer. Two shafts are connected.

Compared with the prior art, the beneficial effects of the utility model are as follows: the disassembly is convenient and easy, the positioning turntable and the turntable seat are detachably connected, and the workbench is easy to disassemble or replace the parts when it is not used for a long time or the parts need to be replaced, and the disassembly is convenient and easy. ; Wide adaptability, the rotary table can be applied to different specifications of CNC machine tools, and has strong adaptability; high processing efficiency, the CNC machine tool rotary table is driven by the first motor to rotate, and then driven by the first shaft and the third shaft. The rotating seat is turned over, and at the same time, the second motor is driven by the second shaft to drive the positioning turntable to rotate.

Description of drawings

Figure 1 is a schematic structural diagram of the utility model.

Figure 2 is a cross-sectional view of the utility model.

FIG. 3 is a partial enlarged view of part A in FIG. 1 .

The symbols shown in the figure are: 1, base; 2, first support seat; 3, second support seat; 4, second reducer; 5, second motor; 6, first reducer; 7, first A rotating shaft; 8. The first shading sheet; 9. The second rotating shaft; 10. The turntable seat; 11. The positioning turntable; 12. The first photoelectric sensor; ; 16, the second shading sheet; 17, the first motor.

Detailed ways

The technical solutions of the present invention will be clearly and completely described below with reference to specific embodiments. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

As shown in Figures 1 to 3, the structure of the present invention is: a rotary table for CNC machine tools, comprising a base 1, and a first support base 2 and a second support base 3 are oppositely arranged on the base 1 , the first support base 2 and the second support base 3 are respectively provided with a first rotating shaft 7 and a third rotating shaft 15 along the same axis, the first support base 2 is provided with a first drive mechanism that cooperates with the first rotating shaft 7, A rotating base 13 is connected between the first rotating shaft 7 and the third rotating shaft 15, the middle part of the rotating base 13 is inserted with a second rotating shaft 9, and the lower end of the second rotating shaft 9 is connected with the second driving mechanism arranged at the bottom of the rotating base 13, A turntable base 10 is connected to the upper end of the second rotating shaft 9 , and a positioning turntable 11 is detachably connected to the upper end of the turntable base 10 .

As shown in FIG. 1 , the surface of the positioning turntable 11 is provided with a plurality of positioning holes in an annular array.

As shown in FIG. 2 , four groups of first photoelectric sensors 12 are arranged on the rotating base 13 evenly spaced around the second rotating shaft 9 .

As shown in FIG. 3 , four groups of second photoelectric sensors 14 are arranged on the second support base 3 at uniform intervals around the third rotating shaft 15 , and the left end of the third rotating shaft 15 is provided with a second shading matched with the second photoelectric sensor 14 . Sheet 16.

As shown in FIG. 1 , the first drive mechanism includes a first reducer 6 and a first motor 17 arranged on the right end of the first support base 2 to cooperate with each other. The output end of the first motor 17 is connected to the input end of the first reducer 6 . , the output end of the first reducer 6 is connected with the first rotating shaft 7 .

As shown in FIG. 2 , the second drive mechanism includes a second reducer 4 and a second motor 5 arranged at the bottom of the rotating base 13 to cooperate with each other. The output end of the second motor 5 is connected to the input end of the second reducer 4 . The output end of the second reducer 4 is connected with the second rotating shaft 9 .

In specific use, the workpiece is installed on the positioning hole of the positioning turntable 11 , and is driven to rotate by the first motor 17 , and then the first rotating shaft 7 and the third rotating shaft 15 drive the rotating base 13 to perform a turning motion, and the second photoelectric sensor 14 cooperates with The second shading sheet 16 controls the rotation angle of the rotating base 13, and is driven by the second motor 5 at the same time, and then the second rotating shaft 9 drives the positioning turntable 11 to rotate, and the first photoelectric sensor 12 cooperates with the first shading sheet 8 to control the positioning turntable. The rotation angle of 11 can realize that the product can be processed on multiple sides at one time, which effectively improves the processing efficiency.

The present utility model has been further described above with the help of specific embodiments, but it should be understood that the specific description here should not be construed as a limitation on the essence and scope of the present utility model. Various modifications made to the above-mentioned embodiments all belong to the protection scope of the present invention.

Claims (6)

1. A rotary table for CNC machine tools, characterized in that it comprises a base (1) on which a first support seat (2) and a second support seat (3) are oppositely arranged , the first support seat (2) and the second support seat (3) are respectively provided with a first rotating shaft (7) and a third rotating shaft (15) along the same axis, and the first support seat (2) is provided with There is a first drive mechanism matched with the first rotating shaft (7), a rotating seat (13) is connected between the first rotating shaft (7) and the third rotating shaft (15), and the middle part of the rotating seat (13) is inserted The sleeve is provided with a second rotating shaft (9), the lower end of the second rotating shaft (9) is connected with a second driving mechanism arranged at the bottom of the rotating seat (13), and the upper end of the second rotating shaft (9) is connected with a turntable seat (10), a positioning turntable (11) is detachably connected to the upper end of the turntable seat (10). 2 . The rotary table for CNC machine tools according to claim 1 , wherein a plurality of positioning holes are formed on the surface of the positioning turntable ( 11 ) in an annular array. 3 . 3. A rotary table for CNC machine tools according to claim 1, characterized in that: four groups of first photoelectric groups are arranged on the rotating base (13) at uniform intervals around the second rotating shaft (9). A sensor (12), the bottom of the positioning turntable (11) is provided with a first light shielding sheet (8) matched with the first photoelectric sensor (12). 4. A rotary table for a CNC machine tool according to claim 1, characterized in that: the second support base (3) is provided with four groups of Two photoelectric sensors (14), the left end of the third rotating shaft (15) is provided with a second light shielding sheet (16) matched with the second photoelectric sensor (14). 5. A rotary table for CNC machine tools according to claim 1, characterized in that: the first drive mechanism comprises a first reducer (6) arranged on the right end of the first support seat (2) to cooperate with each other ) and a first motor (17), the output end of the first motor (17) is connected to the input end of the first reducer (6), and the output end of the first reducer (6) is connected to the first shaft ( 7) Connect. 6. A rotary table for CNC machine tools according to claim 1, characterized in that: the second drive mechanism comprises a second reducer (4) arranged at the bottom of the rotating seat (13) to cooperate with each other and A second motor (5), the output end of the second motor (5) is connected to the input end of the second reducer (4), the output end of the second reducer (4) is connected to the second shaft (9) connect.

Images