Numerical control rotary table structure

By designing a CNC rotary table structure with transmission components and motor drive, the angle and position of the workpiece can be adjusted in two directions, solving the problem that existing technologies can only adjust in one direction, and improving the flexibility and accuracy of processing.

CN223573132UActive Publication Date: 2025-11-21ZHUCHENG HUILIN PRECISION MACHINERY
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Patent Information

Application Number
CN202423273162.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2025-11-21
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

Existing CNC rotary tables can only adjust the angle in one direction, which has certain limitations and cannot meet the needs of machining complex curved surfaces.

Method used

A CNC rotary table structure was designed. By setting a transmission component and a motor on the rotary table, the angle of the workpiece in two directions can be adjusted by the cooperation of the transmission belt and the shaft. The stability is improved by the cooperation of the electromagnetic block and the slide rail groove. Combined with the lifting mechanism of the threaded tube and the motor, the multi-directional angle and position adjustment of the workpiece can be realized.

Benefits of technology

It enables the workpiece to be angled in two directions, has few limitations, is highly practical, can meet the processing requirements of complex curved surfaces, and improves the flexibility and accuracy of processing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of numerical control rotary tables, in particular to a numerical control rotary table structure which can adjust the angle of a workpiece in two directions, and is small in limitation and good in practicability. Comprising a base, a rotary table and a workbench, and the rotary table is rotationally installed on the base through rotary shafts at the left end and the right end; a mounting notch is formed in the middle of the rotary table, the base is located in the mounting notch, the shaft rods are mounted on the front side wall and the rear side wall of the base, the two shaft rods are rotationally connected with the front side wall and the rear side wall of the middle of the rotary table, the workbench is mounted on the top of the base, and the motor is mounted on the rotary table. An output shaft of the motor is in transmission connection with the shaft rod through a transmission assembly.
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Description

TECHNICAL FIELD

[0001] The utility model relates to technical field of numerical control rotary table, in particular to a numerical control rotary table structure. BACKGROUND

[0002] Numerical control rotary table is a kind of mechanical workbench that can drive workpiece to rotate and complete the machining of complex surface of workpiece.The prior art discloses various numerical control rotary tables, for example, the rotary table structure of high-precision five-axis vertical numerical control machine tool disclosed in Chinese patent application CN115555871A sets up rotary table main body on five-axis machining numerical control rack, sets up rotary table driving mechanism on rotary table main body, and the top of rotary table driving mechanism is equipped with rotary workbench, controller makes rotary workbench lift by driving motor, and controller makes rotary workbench rotate while lifting by electric telescopic device, which realizes high-precision movement of five-axis machining numerical control machine tool on the market, and further improves intelligent level while meeting the machining requirements of high-precision workpiece.

[0003] The above prior art can drive rotary workbench to rotate around the main shaft of rotary table main body for angular adjustment in one direction, and cannot be angularly adjusted in the direction perpendicular to the main shaft of rotary table main body, so it has certain limitations. UTILITY MODEL CONTENT

[0004] To solve the above technical problems, the utility model provides a numerical control rotary table structure capable of angularly adjusting workpiece in two directions, small limitation and good practicability.

[0005] The numerical control rotary table structure of the utility model, including base, rotary table and workbench, rotary table is rotatably installed on base through the rotating shafts at left and right ends;It also includes base, two shaft rods, motor and transmission assembly, the middle part of rotary table is provided with mounting notch, base is located in mounting notch, shaft rod is installed on the front and rear sidewalls of base, two shaft rods are rotatably connected with the front and rear sidewalls of the middle part of rotary table, workbench is installed on the top of base, motor is installed on rotary table, the output shaft of motor is drivingly connected with shaft rod through transmission assembly;A plurality of stations are provided on workbench, workpiece is clamped on a plurality of stations, rotary table rotates around the rotating shafts at its two ends, so that the workpiece on workbench is angularly adjusted around the rotating shafts of rotary table, motor drives shaft rod to rotate through transmission assembly, shaft rod drives base and workbench to rotate, so that the workpiece on workbench is angularly adjusted around two shaft rods, angular adjustment of workpiece in two directions is realized, small limitation and good practicability are achieved.

[0006] Preferably, the transmission assembly comprises a driven wheel, a driving wheel and a transmission belt, the driven wheel is concentrically installed on the shaft, the driving wheel is concentrically installed on the output shaft of the motor, and the transmission belt is sleeved on the driven wheel and the driving wheel; the motor drives the driving wheel to rotate, the driving wheel drives the driven wheel to rotate through the transmission belt, and the driven wheel drives the shaft and the base to rotate, which is mature in technology, stable in transmission and high in angle adjustment precision.

[0007] Preferably, the transmission assembly comprises a driven wheel, a driving wheel and a transmission belt, the driven wheel is concentrically installed on the shaft, the driving wheel is concentrically installed on the output shaft of the motor, and the transmission belt is sleeved on the driven wheel and the driving wheel; the motor drives the driving wheel to rotate, the driving wheel drives the driven wheel to rotate through the transmission belt, and the driven wheel drives the shaft and the base to rotate, which is mature in technology, stable in transmission and high in angle adjustment precision.

[0008] Preferably, the transmission assembly comprises a driven wheel, a driving wheel and a transmission belt, the driven wheel is concentrically installed on the shaft, the driving wheel is concentrically installed on the output shaft of the motor, and the transmission belt is sleeved on the driven wheel and the driving wheel; the motor drives the driving wheel to rotate, the driving wheel drives the driven wheel to rotate through the transmission belt, and the driven wheel drives the shaft and the base to rotate, which is mature in technology, stable in transmission and high in angle adjustment precision.

[0009] Preferably, the transmission assembly comprises a driven wheel, a driving wheel and a transmission belt, the driven wheel is concentrically installed on the shaft, the driving wheel is concentrically installed on the output shaft of the motor, and the transmission belt is sleeved on the driven wheel and the driving wheel; the motor drives the driving wheel to rotate, the driving wheel drives the driven wheel to rotate through the transmission belt, and the driven wheel drives the shaft and the base to rotate, which is mature in technology, stable in transmission and high in angle adjustment precision.

[0010] Preferably, the transmission assembly comprises a driven wheel, a driving wheel and a transmission belt, the driven wheel is concentrically installed on the shaft, the driving wheel is concentrically installed on the output shaft of the motor, and the transmission belt is sleeved on the driven wheel and the driving wheel; the motor drives the driving wheel to rotate, the driving wheel drives the driven wheel to rotate through the transmission belt, and the driven wheel drives the shaft and the base to rotate, which is mature in technology, stable in transmission and high in angle adjustment precision.

[0011] Preferably, it also includes a jack, a limiting hole, a push rod and a limiting rod, the drive rod is concentrically arranged with the jack, the workbench is concentrically arranged with the limiting hole, the limiting hole is aligned with the jack, the fixed end of the push rod is installed on the workbench, the moving end of the push rod is the limiting rod, the limiting rod is inserted into the jack through the limiting hole, and the cross section of the limiting rod is matched with the jack and the limiting hole; the push rod drives the limiting rod to elongate downward, so that the limiting rod is inserted into the jack, the limiting rod limits and connects the drive rod and the workbench, at this time, the motor two drives the drive rod to rotate, the drive rod drives the limiting rod to rotate, the limiting rod drives the workbench to rotate through the limiting hole, and the position adjustment of the multiple workstations and the workpieces on the workbench is realized; the push rod drives the limiting rod to contract upward, so that the limiting rod is separated from the jack, the threaded pipe and the drive rod can relatively rotate, so that the workbench is lifted, the workpiece is conveniently machined, and practicality is improved.

[0012] Compared with the prior art, the utility model has the advantages that multiple workstations are arranged on the workbench, the workpieces are clamped on the multiple workstations, the rotary table rotates around the rotating shafts at the two ends, the workpieces on the workbench are adjusted in angle around the rotating shaft of the rotary table, the motor drives the shaft rod to rotate through the transmission assembly, the shaft rod drives the base and the workbench to rotate, the workpieces on the workbench are adjusted in angle around the two shaft rods, the angle adjustment of the workpieces in two directions is realized, the limitation is small, and the utility is good. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the structural schematic diagram of the utility model;

[0014] Figure 2 It is the front cut structure schematic diagram of the utility model;

[0015] Figure 3 It is the isometric structure schematic diagram of the utility model;

[0016] Figure 4 It is the structural schematic diagram of base, rotary table, base, motor, transmission assembly, slide rail groove, sliding block and support rod structure;

[0017] Figure 5 It is the structural schematic diagram of base, rotary table, base, motor, transmission assembly, slide rail groove, sliding block and support rod structure in the exploded state.

[0018] Mark in the drawing: 1, base; 2, rotary table; 3, workbench; 4, base; 5, shaft rod; 6, motor; 7, transmission assembly; 8, slide rail groove; 9, sliding block; 10, support rod; 11, threaded pipe; 12, motor two; 13, drive rod; 14, jack; 15, limiting hole; 16, push rod; 17, limiting rod; 18, driven wheel; 19, driving wheel; 20, transmission belt; 21, tension pulley; 22, electromagnetic block. DETAILED DESCRIPTION

[0019] For the purpose of facilitating the understanding of the present application, the present application will be described more fully below with reference to the accompanying drawings. The present application can be realized in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive. Embodiment 1

[0020] As shown in Figures 1 to 4 A numerical control rotary table structure, comprising a base 1, a rotary table 2 and a workbench 3, the rotary table 2 is rotatably installed on the base 1 through the rotary shaft at both ends; it also includes a base 4, two shaft rods 5, a motor 6 and a transmission assembly 7, the middle part of the rotary table 2 is provided with a mounting notch, the base 4 is located in the mounting notch, the shaft rod 5 is installed on the front and rear sidewalls of the base 4, the two shaft rods 5 are rotatably connected with the front and rear sidewalls of the middle part of the rotary table 2, the workbench 3 is installed on the top of the base 4, the motor 6 is installed on the rotary table 2, the output shaft of the motor 6 is drivingly connected with the shaft rod 5 through the transmission assembly 7; the transmission assembly 7 includes a driven wheel 18, a driving wheel 19 and a transmission belt 20, the driven wheel 18 is concentrically installed on the shaft rod 5, the driving wheel 19 is concentrically installed on the output shaft of the motor 6, and the transmission belt 20 is sleeved on the driven wheel 18 and the driving wheel 19; it also includes a tension wheel 21, the tension wheel 21 is rotatably installed on the rotary table 2, and the tension wheel 21 tensions the transmission belt 20.

[0021] A plurality of workstations are provided on the workbench 3, and workpieces are clamped on the plurality of workstations, the rotary table 2 rotates around the rotary shaft at both ends, so that the workpieces on the workbench 3 are adjusted in angle around the rotary shaft of the rotary table 2, the tension wheel 21 tensions the transmission belt 20, improves the transmission stability of the transmission belt 20 to the driven wheel 18 and the driving wheel 19, the motor 6 drives the driving wheel 19 to rotate, the driving wheel 19 drives the driven wheel 18 to rotate through the transmission belt 20, the driven wheel 18 drives the shaft rod 5 and the base 4 to rotate, the shaft rod 5 drives the base 4 and the workbench 3 to rotate, so that the workpieces on the workbench 3 are adjusted in angle around the two shaft rods 5, and the angle adjustment of the workpieces in two directions is realized. Embodiment 2

[0022] As shown in Figures 1 to 4 On the basis of embodiment 1, it also includes two sliding rail grooves 8, two sliding blocks 9 and two supporting rods 10, two sliding rail grooves 8 are provided on the rotary table 2, the two sliding rail grooves 8 are respectively arranged on the left and right sides of the base 4, the two sliding blocks 9 are respectively slidingly installed in the two sliding rail grooves 8, the inner ends of the two supporting rods 10 are respectively rotatably connected with the left and right sidewalls of the base 4, and the outer ends of the two supporting rods 10 are respectively rotatably connected with the two sliding blocks 9; it also includes two electromagnetic blocks 22, the two electromagnetic blocks 22 are respectively installed on the two sliding blocks 9.

[0023] When the base 4 rotates around the two shafts 5 to adjust the angle, the base 4 drives the two sliders 9 to move adaptively along the two slide rail grooves 8 through the two support rods 10. After the angle of the base 4 is adjusted, the two electromagnetic blocks 22 are energized to attract and fix the two sliders 9 into the two slide rail grooves 8. The two sliders 9 and the two support rods 10 provide auxiliary support for the base 4 and improve the stability of the support for the base 4. Example 3

[0024] like Figures 1 to 3 and Figure 5 As shown, based on Embodiment 1, it further includes a threaded tube 11, a second motor 12, and a drive rod 13. The threaded tube 11 is concentrically mounted on the lower end face of the worktable 3. The inner wall of the threaded tube 11 is provided with internal threads. A vertical slide rail is provided in the middle of the base 4. The threaded tube 11 is slidably mounted in the slide rail of the base 4. The second motor 12 is mounted on the bottom of the base 4. The output end of the second motor 12 is mounted with the drive rod 13. The outer wall of the drive rod 13 is provided with external threads. The drive rod 13 and the threaded tube... The rotating threaded connection of 11 also includes an insertion hole 14, a limiting hole 15, a push rod 16 and a limiting rod 17. The drive rod 13 is concentrically provided with the insertion hole 14, and the worktable 3 is concentrically provided with the limiting hole 15. The limiting hole 15 is vertically aligned with the insertion hole 14. The fixed end of the push rod 16 is installed on the worktable 3, and the moving end of the push rod 16 is the limiting rod 17. The limiting rod 17 passes through the limiting hole 15 and is inserted into the insertion hole 14. The cross section of the limiting rod 17 matches the insertion hole 14 and the limiting hole 15.

[0025] Push rod 16 drives limit rod 17 to retract upward, causing limit rod 17 to disengage from insertion hole 14, allowing threaded tube 11 and drive rod 13 to rotate relative to each other. Motor 12 drives drive rod 13 to rotate, and motor 12 is threadedly engaged with threaded tube 11, thereby driving threaded tube 11 to rise and fall along the slide groove of base 4, which in turn drives worktable 3 to rise and fall, facilitating workpiece processing. Push rod 16 drives limit rod 17 to extend downward, causing limit rod 17 to insert into insertion hole 14, so that limit rod 17 limits the connection between drive rod 13 and worktable 3. At this time, motor 12 drives drive rod 13 to rotate, drive rod 13 drives limit rod 17 to rotate, and limit rod 17 drives worktable 3 to rotate through limit hole 15, realizing the position adjustment of multiple stations and workpieces on worktable 3, facilitating workpiece processing.

[0026] like Figures 1 to 5As shown, the numerical control rotary table structure of the utility model, in working, first set up multiple stations on workbench 3, multiple stations on clamping workpiece, rotary table 2 rotates around its both ends pivot, make workpiece on workbench 3 rotate around rotary table 2 pivot adjustment angle, then motor 6 drives axle rod 5 rotation through transmission assembly 7, axle rod 5 drives base 4 and workbench 3 rotation, make workpiece on workbench 3 rotate around two axle rods 5 adjustment angle, realize workpiece in two directions angle adjustment, then push rod 16 drives limit rod 17 upwards shrink, make limit rod 17 and jack 14 disengage, motor two 12 drives driving rod 13 rotation, motor two 12 and threaded tube 11 screw thread cooperation, thereby drive threaded tube 11 along base 4's sliding slot lift, further drive workbench 3 lift, finally push rod 16 drives limit rod 17 downwards elongation, make limit rod 17 insert into jack 14, make limit rod 17 drive rod 13 and workbench 3 limit connection, at this moment motor two 12 drives driving rod 13 rotation, driving rod 13 drives limit rod 17 rotation, limit rod 17 drives workbench 3 rotation through limit hole 15, realize multiple stations and workpiece on workbench 3 position adjustment.

[0027] The main functions realized by the utility model are:

[0028] 1. The workpiece can be adjusted in two directions, which has small limitation and good practicability.

[0029] 2. The workpiece can be driven to lift, which facilitates the machining of the workpiece.

[0030] 3. The workbench can be rotated to adjust the positions of multiple stations.

[0031] The base 1, the rotary table 2, the workbench 3, the axle rod 5, the motor 6, the transmission assembly 7, the sliding block 9, the motor two 12, the push rod 16, the driven wheel 18, the driving wheel 19, the transmission belt 20, the tensioning wheel 21 and the electromagnetic block 22 of the numerical control rotary table structure of the utility model are commonly used mechanical modes, and any mode that can achieve the beneficial effects can be implemented. The technical personnel in the industry only need to install and operate according to the attached instruction manual, and no creative labor is required by the technical personnel in the field.

[0032] All the technical and scientific terms used in the present application have the same meaning as that commonly understood by the technical personnel in the technical field of the utility model. The terms used in the specification of the utility model are only for the purpose of describing the specific embodiments and are not intended to limit the utility model. The term "and / or" used in the present application includes any and all combinations of one or more related listed items.

[0033] The above merely is the preferred implementation manner of the present application, and it should be noted that, for the ordinary skilled in the art, without departing from the technical principles of the present application, a number of improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present application.

Claims

1. A CNC rotary table structure, comprising a base (1), a rotary table (2), and a worktable (3), wherein the rotary table (2) is rotatably mounted on the base (1) via rotating shafts at its left and right ends; characterized in that, It also includes a base (4), two shafts (5), a motor (6) and a transmission assembly (7). The turntable (2) has a mounting slot in the middle, the base (4) is located in the mounting slot, and shafts (5) are installed on the front and rear side walls of the base (4). The two shafts (5) are rotatably connected to the front and rear side walls of the turntable (2) in the middle. The worktable (3) is installed on the top of the base (4), and the motor (6) is installed on the turntable (2). The output shaft of the motor (6) is connected to the shafts (5) through the transmission assembly (7).

2. The CNC rotary table structure as described in claim 1, characterized in that, The transmission assembly (7) includes a driven wheel (18), a driving wheel (19) and a transmission belt (20). The driven wheel (18) is concentrically mounted on the shaft (5), the driving wheel (19) is concentrically mounted on the output shaft of the motor (6), and the transmission belt (20) is fitted on the driven wheel (18) and the driving wheel (19).

3. The CNC rotary table structure as described in claim 2, characterized in that, It also includes a tensioning wheel (21), which is rotatably mounted on the turntable (2) and tensions the drive belt (20).

4. The CNC rotary table structure as described in claim 1, characterized in that, It also includes two slide rail grooves (8), two sliders (9) and two support rods (10). Two slide rail grooves (8) are provided on the turntable (2). The two slide rail grooves (8) are respectively arranged opposite to each other on the left and right sides of the base (4). The two sliders (9) are respectively slidably installed in the two slide rail grooves (8). The inner ends of the two support rods (10) are respectively rotatably connected to the left and right side walls of the base (4), and the outer ends of the two support rods (10) are respectively rotatably connected to the two sliders (9).

5. The CNC rotary table structure as described in claim 4, characterized in that, It also includes two electromagnetic blocks (22), which are respectively mounted on two sliders (9).

6. The CNC rotary table structure as described in claim 1, characterized in that, It also includes a threaded tube (11), a second motor (12) and a drive rod (13). The threaded tube (11) is concentrically installed on the lower end face of the worktable (3). The inner wall of the threaded tube (11) is provided with an internal thread. A vertical slide is provided in the middle of the base (4). The threaded tube (11) is slidably installed in the slide of the base (4). The second motor (12) is installed at the bottom of the base (4). The output end of the second motor (12) is installed with a drive rod (13). The outer wall of the drive rod (13) is provided with an external thread. The drive rod (13) is connected to the threaded tube (11) by a rotating thread.

7. A CNC rotary table structure as described in claim 6, characterized in that, It also includes a socket (14), a limiting hole (15), a push rod (16) and a limiting rod (17). The drive rod (13) is concentrically set with the socket (14), and the worktable (3) is concentrically set with the limiting hole (15). The limiting hole (15) is aligned vertically with the socket (14). The fixed end of the push rod (16) is installed on the worktable (3), and the moving end of the push rod (16) is the limiting rod (17). The limiting rod (17) passes through the limiting hole (15) and is inserted into the socket (14). The cross section of the limiting rod (17) matches the socket (14) and the limiting hole (15).

Citation Information

Patent Citations

  • Rotary table structure of high-precision five-axis vertical numerical control machine tool

    CN115555871A