CN213135833U

CN213135833U - Double-indexing rotary worktable of numerical control machine tool

Info

Publication number: CN213135833U
Application number: CN202021990795.2U
Authority: CN
Inventors: 杨曼云; 牛冲; 杨学华; 赵云波; 杨春花; 张荧
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-14
Filing date: 2020-09-14
Publication date: 2021-05-07
Anticipated expiration: 2030-09-14

Abstract

The utility model discloses a numerical control machine tool double-division rotary worktable in the technical field of numerical control machine tools, which comprises a bottom plate, wherein telescopic rods are fixedly connected with two sides of the top of the bottom plate, a worktable is fixedly connected between the tops of the telescopic rods, a damping spring is fixedly connected between the two telescopic rods at the top of the bottom plate, the top of the damping spring is fixedly connected with the worktable, one side of the worktable is provided with a controller, the top of the worktable is fixedly connected with a first electric telescopic rod, the top of the first electric telescopic rod is fixedly connected with a fixed plate, a limiting plate is driven to ascend and descend by the expansion and contraction of a second electric telescopic rod, so that the limiting plate can fix workpieces with different heights, and the height of a limiting block can be adjusted by rotating a limiting bolt, thereby the limiting block can fix the workpieces more tightly, the stability of the workpiece during processing is greatly improved, and the processing precision of the device is increased.

Description

Double-indexing rotary worktable of numerical control machine tool

Technical Field

The utility model relates to a digit control machine tool technical field specifically is a digit control machine tool double division rotary worktable.

Background

The numerically controlled lathe is one of the widely used numerically controlled machines at present. The cutting machine is mainly used for cutting and processing inner and outer cylindrical surfaces, inner and outer conical surfaces with any taper angles, complex rotary inner and outer curved surfaces, cylindrical threads, conical threads and the like of shaft parts or disc parts, can perform grooving, drilling, reaming, boring and the like, is provided with a rotatable table top, and is a machine tool accessory for clamping workpieces and realizing rotation and indexing positioning, namely a rotary table or a fourth shaft. The rotary table can be divided into a general rotary table and a precise rotary table according to different functions. The numerical control rotary table is divided according to a rotary indexing mode: continuous indexing and end-toothed disc indexing. The main difference between the continuous indexing and the end-toothed disc indexing is that a rotary table with the continuous indexing can participate in interpolation cutting when a working table rotates, such as machining spiral lines, curved surface parts and the like, the minimum rotation angle is controlled by a machine tool system, the minimum pulse in the system can be rotated by a certain amount, the existing numerical control machine tool has a single workpiece fixing mode during machining and cannot flexibly fix workpieces with different heights, thereby greatly wasting the time for replacing the fixing device, and when the machine tool is processed, because the workpiece belongs to metal, when the processing is started, a large instant acting force is generated, so that the metal workpiece can be damaged, the processing quality is further influenced, if the vibration amplitude is too large during workpiece machining, the workpiece machining precision is also insufficient, and therefore a numerical control machine tool double-division rotary table is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a digit control machine tool double division rotary worktable to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a double-division rotary worktable of a numerical control machine tool comprises a bottom plate, telescopic rods are fixedly connected to two sides of the top of the bottom plate, a worktable is fixedly connected between the tops of the telescopic rods, a damping spring is fixedly connected between the two telescopic rods at the top of the bottom plate, the top of the damping spring is fixedly connected with the worktable, a controller is installed at one side of the worktable, a first electric telescopic rod is fixedly connected with the top of the worktable, a fixed plate is fixedly connected with the top of the first electric telescopic rod, motors are installed at two sides of the top of the fixed plate, rotating rods are welded at the output ends of the motors, one sides of the rotating rods, which are far away from the motors, extend to the lower part of the fixed plate, bases are installed at two sides of the top of the worktable, grooves are formed in the two bases, and worm wheels are fixedly installed in the two, two equal fixedly connected with worm gear teeth of outside periphery of worm wheel, two one side that the base is inside to be located the recess all runs through and is provided with the worm, two the equal fixedly connected with twist grip in one side that the worm is relative, two the equal fixedly connected with revolving stage in top of worm wheel, two the top of revolving stage all is connected with the work piece, two the base top is located the equal fixedly connected with second electric telescopic handle in both sides of recess, four the equal fixedly connected with limiting plate in top of second electric telescopic handle, four the inside of limiting plate all runs through and is provided with spacing bolt, four the equal fixedly connected with stopper in bottom of spacing bolt.

The inside center of worm wheel, base and revolving stage has all seted up the calibration hole, and the size phase-match.

The surface mounting of controller has control button, control button is provided with three rows along the horizontal direction altogether, and every row is three, and evenly distributed at equal interval.

Nine damping springs are arranged and evenly distributed at equal intervals along the horizontal direction.

Two the surface that the worm is located between base and the twist grip all installs the calibrated scale, the surface scale of calibrated scale is equipped with the scale mark.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of reasonable design, the lifting of limiting plate is driven through the extension and retraction of second electric telescopic rod, so that the limiting plate can fix workpieces with different heights, the height of the limiting block can be adjusted by rotating the limiting bolt, so that the workpiece can be fixed more tightly by the limiting block, the stability of the workpiece during processing is greatly improved, the processing precision of the device is increased, and the workpiece can simultaneously work through two indexing rotary tables, so that the processing efficiency is greatly improved, finally, the damping spring arranged at the bottom of the table can compress the workpiece downwards after being stressed and form an upward reverse acting force after being compressed, so that the force generated when the workpiece vibrates is offset with the force generated when the workpiece vibrates, thereby reducing the vibration amplitude of the device, and avoiding the workpiece from being damaged due to the instantaneous excessive acting force during processing, the processing safety of the device is greatly enhanced, and the processing precision is ensured.

Drawings

FIG. 1 is a schematic view of the overall internal structure of the present invention;

FIG. 2 is a top view of the worm gear and worm connection of the present invention;

FIG. 3 is a top view of the connection portion of the base and the second electric telescopic rod of the present invention;

FIG. 4 is a top view of the worm gear of the present invention;

fig. 5 is an enlarged view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a base plate; 2. a damping spring; 3. a dial scale; 4. a first electric telescopic rod; 5. rotating the handle; 6. a base; 7. a worm; 8. a second electric telescopic rod; 9. a workpiece; 10. a limit bolt; 11. a motor; 12. a limiting block; 13. a fixing plate; 14. rotating the rod; 15. a turntable; 16. a telescopic rod; 17. calibrating the hole; 18. worm gear teeth; 19. a worm gear; 20. a limiting plate; 21. a work table; 22. a groove; 23. a controller; 24. and a control button.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the present invention provides the following technical solutions: a numerical control machine tool double-division rotary worktable comprises a bottom plate 1, telescopic rods 16 are fixedly connected to two sides of the top of the bottom plate 1, a worktable 21 is fixedly connected between the tops of the two telescopic rods 16, a damping spring 2 is fixedly connected between the two telescopic rods 16 and the top of the bottom plate 1, the top of the damping spring 2 is fixedly connected with the worktable 21, a controller 23 is installed on one side of the worktable 21, a first electric telescopic rod 4 is fixedly connected with the top of the worktable 21, a fixed plate 13 is fixedly connected with the top of the first electric telescopic rod 4, motors 11 are installed on two sides of the top of the fixed plate 13, a rotating rod 14 is welded at the output end of each motor 11, one side of the rotating rod 14 far away from each motor 11 extends to the lower part of the fixed plate 13, bases 6 are installed on two sides of the top of the worktable 21, grooves 22 are, worm wheels 19 are fixedly arranged inside the two grooves 22, worm wheel teeth 18 are fixedly connected with the outer circumferential surfaces of the two worm wheels 19, worms 7 are arranged on one sides of the grooves 22 inside the two bases 6 in a penetrating manner, rotating handles 5 are fixedly connected on the opposite sides of the two worms 7, turntables 15 are fixedly connected with the tops of the two worm wheels 19, workpieces 9 are connected with the tops of the two turntables 15, second electric telescopic rods 8 are fixedly connected with the two sides of the grooves 22 at the tops of the two bases, limit plates 20 are fixedly connected with the tops of the four second electric telescopic rods 8, limit bolts 10 are arranged inside the four limit plates 20 in a penetrating manner, limit blocks 12 are fixedly connected with the bottoms of the four limit bolts 10, wherein the motor 11, the second electric telescopic rods 8 and the first electric telescopic rods 4 are electrically connected with the controller 23 and a power supply through wires, the model of the motor 11 is TC100L 1-4;

referring to fig. 2, 3 and 4, the inner centers of the worm wheel 19, the base 6 and the turntable 15 are all provided with calibration holes 17, and the sizes of the calibration holes are matched;

referring to fig. 1, the outer surface of the controller 23 is provided with control buttons 24, and the control buttons 24 are arranged in three rows in the horizontal direction, three in each row, and are uniformly distributed at equal intervals;

referring to fig. 1, nine damping springs 2 are arranged and uniformly distributed at equal intervals along the horizontal direction, so that the damping effect is better;

referring to fig. 1 and 3, the dial 3 is mounted on the outer surface of each of the two worms 7 between the base 6 and the rotating handle 5, and scale marks are engraved on the outer surface of the dial 3, so that an operator can more visually see the rotation angle of the turntable 15.

The working principle is as follows: an operator firstly puts a workpiece 9 to be processed above the rotary table 15, then the controller 23 starts the second electric telescopic rod 8, and the second electric telescopic rod 8 stretches to drive the limiting plate 20 to lift, so that the limiting plate 20 can fix the workpieces 9 with different heights, the height of the limiting block 12 can be adjusted by rotating the limiting bolt 10, so that the workpiece 9 can be fixed more tightly by the limiting block 12, the stability of the workpiece 9 in processing is greatly improved, the processing precision of the device is improved, then the operator starts the first electric telescopic rod 4 by the controller 23 to drive the fixing plate 13 to reach the proper height, then the motor 11 is started to process the workpiece 9, and the two indexing rotary tables work simultaneously, so that the processing efficiency is greatly improved, and finally, in the processing process, the damping spring 2 arranged at the bottom of the table 21 is used, when the workpiece 9 vibrates during machining, the damping spring 2 is compressed downwards after being stressed, an upward reverse acting force is formed after the compression, the downward acting force generated when the damping spring and the workpiece 9 vibrate is offset with each other, the vibration amplitude of the device is reduced, the situation that the workpiece 9 is damaged due to the fact that the acting force is too large in the moment during machining of the workpiece 9 is avoided, the machining safety of the device is greatly enhanced, and the machining precision is guaranteed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a digit control machine tool double division rotary worktable, includes bottom plate (1), its characterized in that: the telescopic rod (16) is fixedly connected to two sides of the top of the bottom plate (1), the workbench (21) is fixedly connected between the tops of the telescopic rods (16), the damping spring (2) is fixedly connected between the two telescopic rods (16) at the top of the bottom plate (1), the top of the damping spring (2) is fixedly connected with the workbench (21), the controller (23) is installed on one side of the workbench (21), the first electric telescopic rod (4) is fixedly connected to the top of the workbench (21), the fixing plate (13) is fixedly connected to the top of the first electric telescopic rod (4), the motor (11) is installed on two sides of the top of the fixing plate (13), the rotating rod (14) is welded to the output end of the motor (11), one side of the rotating rod (14), which is far away from the motor (11), extends to the lower side of the fixing plate (13), bases (6) are respectively arranged on two sides of the top of the workbench (21) positioned on the first electric telescopic rod (4), grooves (22) are respectively formed in the two bases (6), worm wheels (19) are respectively and fixedly arranged in the two grooves (22), worm wheel teeth (18) are respectively and fixedly connected with the outer circumferential surfaces of the two worm wheels (19), worms (7) are respectively arranged on one sides of the two bases (6) positioned on the grooves (22) in a penetrating manner, rotating handles (5) are respectively and fixedly connected with one sides of the two worms (7) opposite to each other, rotating tables (15) are respectively and fixedly connected with the tops of the two worm wheels (19), workpieces (9) are respectively connected with the tops of the two rotating tables (15), second electric telescopic rods (8) are respectively and fixedly connected with the two sides of the two bases, positioned on the grooves (22), and limiting plates (20) are respectively and fixedly connected with the tops of the four second electric telescopic rods, the four limiting plates (20) are internally provided with limiting bolts (10) in a penetrating mode, and the bottoms of the four limiting bolts (10) are fixedly connected with limiting blocks (12).

2. The numerical control machine tool double-indexing rotary table according to claim 1, characterized in that: the inside center of worm wheel (19), base (6) and revolving stage (15) has all seted up calibration hole (17), and the size phase-match.

3. The numerical control machine tool double-indexing rotary table according to claim 1, characterized in that: the outer surface mounting of controller (23) has control button (24), control button (24) are provided with three rows along the horizontal direction altogether, and every row is three, and equally spaced evenly distributed.

4. The numerical control machine tool double-indexing rotary table according to claim 1, characterized in that: nine damping springs (2) are arranged and evenly distributed at equal intervals along the horizontal direction.

5. The numerical control machine tool double-indexing rotary table according to claim 1, characterized in that: two the surface that worm (7) are located between base (6) and twist grip (5) all installs calibrated scale (3), the surface of calibrated scale (3) is carved and is equipped with the scale mark.