CN216758940U

CN216758940U - Five-axis cradle rotary table

Info

Publication number: CN216758940U
Application number: CN202220519989.7U
Authority: CN
Inventors: 陈国荣
Original assignee: Zhejiang Guanxinhong Intelligent Technology Co ltd
Current assignee: Zhejiang Guanxinhong Intelligent Technology Co ltd
Priority date: 2022-03-10
Filing date: 2022-03-10
Publication date: 2022-06-17
Anticipated expiration: 2032-03-10

Abstract

The utility model provides a five-axis cradle turntable, and belongs to the technical field of machinery. The five-axis cradle rotary table solves the technical problems that an existing five-axis cradle rotary table is high in overall height and the like. This five-axis cradle revolving stage includes the base, fourth shaft and disc tailstock, be fixed with five-axis subassembly between the four-axis mesa of fourth shaft and the tailstock mesa of disc tailstock, five-axis subassembly includes the bridge plate, the shell of fourth shaft and base are supported and are leaned on fixedly, the pedestal of disc tailstock supports with the base and lean on fixedly, be equipped with fixed step one in the first half of four-axis mesa, be equipped with fixed step two in the first half of tailstock mesa, the both ends of bridge plate are fixed respectively on fixed step one and fixed step two, the bridge plate is located the axis of four-axis mesa and the axis upside of tailstock mesa when the bridge plate is in the horizontality. The cradle rotary table has the advantage of low overall height of a five-axis cradle rotary table.

Description

Five-axis cradle rotary table

Technical Field

The utility model belongs to the technical field of machinery, and relates to a five-axis cradle turntable.

Background

A five-axis cradle turntable is one of numerical control turntables and belongs to a common part for machine tool machining. The workpiece is fixed on a five-axis table surface of a fifth shaft, and the machining requirement is met through the combination of rotation and swing of the five-axis table surface.

At present, the rotation of a five-axis table top is driven by a motor, the rotation is realized by adopting a direct drive mode of the motor, the motor is arranged at the lower side of a bridge plate, and because the axial length of the motor is longer, enough space needs to be reserved to ensure that the motor swings along with the bridge plate, the rotation is mainly realized by a mode of heightening a fourth shaft and a disc tailstock, for example, a five-axis turntable (application number 2018206158845) based on a DDR four shaft and a servo motor disclosed by Chinese patent documents, and the like.

Disclosure of Invention

The utility model aims to provide a five-axis cradle rotary table aiming at the problems in the prior art, and the technical problem to be solved is to reduce the overall height of the five-axis cradle rotary table.

The purpose of the utility model can be realized by the following technical scheme:

the utility model provides a five-axis cradle revolving stage, includes base, fourth shaft and disc tailstock, be fixed with five-axis subassembly between the four-axis mesa of fourth shaft and the tailstock mesa of disc tailstock, five-axis subassembly includes the bridge plate, its characterized in that, the shell of fourth shaft and base are supported and are leaned on fixedly, the pedestal and the base of disc tailstock support and lean on fixedly, be equipped with fixed step one in the first of four-axis mesa, be equipped with fixed step two in the first of tailstock mesa, the both ends of bridge plate are fixed respectively on fixed step one and fixed step two the bridge plate is located the axis of four-axis mesa and the axis upside of tailstock mesa when the bridge plate is in the horizontality.

The upper part of the bridge plate, the disc tailstock and the four-axis table top is fixed through the structure, so that the distance between the bridge plate and the base can be increased, the motor can swing along with the bridge plate under the condition that the fourth axis and the disc tailstock are not required to be lifted, and the overall height of the five-axis cradle rotary table is reduced.

In foretell five cradle revolving stages, the mounting hole has been seted up on the bridge plate, five-axis subassembly is still including taking the motor and the five mesa of RV speed reducer, the RV speed reducer is fixed in the mounting hole, five mesa are connected on the output shaft of RV speed reducer and are located the upside of bridge plate, the motor is located the downside of bridge plate.

In foretell five cradle revolving stages, the groove of stepping down has been seted up under lieing in the bridge plate on the base, the groove of stepping down is the bar groove, the length direction in groove of stepping down is perpendicular with the length direction of bridge plate, the downside of bridge plate still is fixed with the safety cover, the motor is located the safety cover, the lower extreme of safety cover is located the groove of stepping down. The safety cover is used for protecting the motor, and the setting is stepped down the groove and can further increase the height of bridge plate below to can realize the installation and the swing of safety cover.

In the five-axis cradle turntable, a first thickened part is arranged on the four-axis table top, the upper side face of the first thickened part is a plane, the first fixed step is formed between the first thickened part and the four-axis table top, and a first fixed hole is formed in the upper side face of the first thickened part.

The structure for fixing the first step is realized by arranging the first thickened part on the basis of the conventional four-axis table top.

In the five-axis cradle turntable, the tailstock table top is provided with a second thickened part, the upper side surface of the second thickened part is a plane, the second fixed step is formed between the second thickened part and the tailstock table top, and the upper side surface of the second thickened part is provided with a second fixed hole.

The second thickening part is arranged on the basis of the conventional disk tailstock to realize the structure for fixing the second step.

In the five-axis cradle turntable, the bridge plate is flat. Simple structure and low cost.

Compared with the prior art, the five-axis cradle turntable has the advantages of reducing the overall height of the five-axis cradle turntable and being simple in structure.

Drawings

Fig. 1 is a schematic perspective view of a five-axis cradle turntable.

Fig. 2 is a side view structural schematic diagram of a five-axis cradle turntable.

Fig. 3 is a schematic perspective view of a five-axis assembly of the five-axis cradle turntable when the five-axis assembly is not installed.

FIG. 4 is a schematic perspective view of a five-axis assembly.

In the figure, 1, a base; 11. a yielding groove; 2. a fourth axis; 21. a four-axis table top; 22. thickening part I; 23. fixing a first step; 24. a first fixing hole; 3. a disc tailstock; 31. a tailstock table-board; 32. a second thickened part; 33. fixing a second step; 34. a second fixing hole; 4. a bridge plate; 41. a motor; 42. a five-axis table top; 43. a protective cover.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 4, the five-axis cradle rotary table comprises a base 1, a fourth axis 2 and a disc tailstock 3, wherein a five-axis assembly is fixed between a four-axis table top 21 of the fourth axis 2 and a tailstock table top 31 of the disc tailstock 3, the five-axis assembly comprises a bridge plate 4, a motor 41 with an RV reducer and a five-axis table top 42, the bridge plate 4 is in a flat plate shape, a mounting hole is formed in the middle of the bridge plate 4, the RV reducer is fixed in the mounting hole, the five-axis table top 42 is connected to an output shaft of the RV reducer and is located on the upper side of the bridge plate 4, and the motor 41 is located on the lower side of the bridge plate 4.

The shell of the fourth shaft 2 is abutted against the base 1 and fixed through a bolt, and the seat body of the disc tailstock 3 is abutted against the base 1 and fixed through a bolt; the four-axis table top 21 is provided with a first thickened part 22, the upper side surface of the first thickened part 22 is a plane, a first fixed step 23 is formed between the first thickened part 22 and the four-axis table top 21, the upper side surface of the first thickened part 22 is provided with a first fixed hole 24, and the first fixed step 23 is positioned on the upper side of the central axis of the four-axis table top 21; the tailstock table top 31 is provided with a second thickened part 32, the upper side surface of the second thickened part 32 is a plane, a second fixed step 33 is formed between the second thickened part 32 and the disc tailstock 3, the upper side surface of the second thickened part 32 is provided with a second fixed hole 34, and the second fixed step 33 is positioned on the upper side of the central axis of the tailstock table top 31; the two ends of the bridge plate 4 are respectively fixed on the first fixed step 23 and the second fixed step 33, the bridge plate 4 is located on the central axis of the four-axis table top 21 and the upper side of the central axis of the tailstock table top 31 when the bridge plate 4 is in a horizontal state, and the bridge plate 4 is fixed on the first fixed step 23 and the second fixed step 33 through bolts.

The groove of stepping down 11 has been seted up under lieing in bridge 4 on the base 1, and the groove of stepping down 11 is the bar groove, and the length direction in the groove of stepping down 11 is perpendicular with the length direction of bridge 4, and the downside of bridge 4 still is fixed with safety cover 43, and motor 41 is arranged in safety cover 43, and the lower extreme of safety cover 43 is arranged in the groove of stepping down 11. The protective cover 43 is used for protecting the motor 41, and the height below the bridge plate 4 can be further increased by arranging the receding groove 11, so that the protective cover 43 can be installed and swung.

The structure realizes that the bridge plate 4 is fixed with the disc tailstock 3 and the upper part of the four-shaft table surface 21, so that the distance between the bridge plate 4 and the base 1 can be increased, the swing of the motor 41 along with the bridge plate 4 can be realized under the condition of not raising the fourth shaft 2 and the disc tailstock 3, and the overall height of the five-shaft cradle rotary table is reduced.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments, or alternatives may be employed, by those skilled in the art, without departing from the spirit or ambit of the utility model as defined in the appended claims.

Claims

1. A five-axis cradle rotary table comprises a base (1), a fourth axis (2) and a disc tailstock (3), a five-axis component is fixed between a four-axis table surface (21) of the fourth axis (2) and a tailstock table surface (31) of the disc tailstock (3), the five-axis component comprises a bridge plate (4), it is characterized in that the shell of the fourth shaft (2) is abutted and fixed with the base (1), the seat body of the disc tailstock (3) is abutted and fixed with the base (1), the upper half part of the four-axis table top (21) is provided with a fixed step I (23), a second fixed step (33) is arranged on the upper half part of the tailstock table top (31), two ends of the bridge plate (4) are respectively fixed on the first fixed step (23) and the second fixed step (33), when the bridge plate (4) is in a horizontal state, the bridge plate (4) is positioned on the upper side of the central axis of the four-axis table board (21) and the central axis of the tailstock table board (31).

2. The five-axis cradle turntable according to claim 1, wherein a mounting hole is formed in the bridge plate (4), the five-axis assembly further comprises a motor (41) with an RV reducer and a five-axis table top (42), the RV reducer is fixed in the mounting hole, the five-axis table top (42) is connected to an output shaft of the RV reducer and located on the upper side of the bridge plate (4), and the motor (41) is located on the lower side of the bridge plate (4).

3. The five-axis cradle turntable according to claim 2, wherein an abdicating groove (11) is formed in the base (1) and located right below the bridge plate (4), the abdicating groove (11) is a strip-shaped groove, the length direction of the abdicating groove (11) is perpendicular to the length direction of the bridge plate (4), a protective cover (43) is further fixed on the lower side of the bridge plate (4), the motor (41) is located in the protective cover (43), and the lower end of the protective cover (43) is located in the abdicating groove (11).

4. Five-axis cradle turntable according to claim 1, 2 or 3, characterized in that the four-axis table top (21) is provided with a first thickened portion (22), the upper side of the first thickened portion (22) is a plane, the first fixed step (23) is formed between the first thickened portion (22) and the four-axis table top (21), and the upper side of the first thickened portion (22) is provided with a first fixed hole (24).

5. The five-axis cradle turntable according to claim 1, 2 or 3, characterized in that the tailstock table top (31) is provided with a second thickened part (32), the upper side surface of the second thickened part (32) is a plane, the second fixed step (33) is formed between the second thickened part (32) and the tailstock table top (31), and the upper side surface of the second thickened part (32) is provided with a second fixed hole (34).

6. Five-axis cradle turntable according to claim 1, 2 or 3, characterized in that the bridge plate (4) is flat.