A kind of two expansion workbench
Technical field
The utility model relates to a kind of workbench, particularly relates to a kind of two expansion workbench that are applied to CNC milling machine.
Background technology
In the prior art, the workbench that is applied to Digit Control Machine Tool can be divided into travelling table and rotary table.
Common, travelling table is used for most lathe, for example: vertical machining centre lathe, horizontal Machining centers lathe, Longmen machine tool etc.Generally be to be power with the servomotor, give ball-screw transmission of power by shaft coupling, utilize rotatablely moving of ball-screw to be converted into the rectilinear motion of workbench, wherein, move the front, rear, left and right of workbench is to realize by rotating and reverse of motor respectively.The workbench of CNC milling machine for example only has the workbench of three of XYZ usually, and this workbench can't satisfy the demand of complicated workpiece of processing, and the kind of processing work is comparatively single.
Rotary table is the rotation of motor drives workbench, and common rotary table rotation only has one degree of freedom, for some more complicated workpiece, just can not satisfy its demand; And structure is comparatively complicated, and volume is bigger, and it is also bigger to be installed on volume shared on the lathe.
Therefore, needing badly provides a kind of and has two-way 360 ° of spinfunctions, and simple in structure, assembling easily, two less expansion workbench of volume.
The utility model content
The purpose of this utility model is to avoid weak point of the prior art and a kind of two-way 360 ° of spinfunctions that have is provided, and simple in structure, assembling easily, two less expansion workbench of volume.
The purpose of this utility model realizes by following technical measures:
A kind of two expansion workbench are provided, wherein,
Include first rotary body and second rotary body,
Described first rotary body is provided with first rotating shaft, one end of described first rotating shaft is connected with described first rotary body, the other end of described first rotating shaft is connected with first output shaft of first gear-box that is arranged at the described first rotary body top, first power shaft of described first gear-box is connected with first servomotor that is arranged at described first upper gear case
Described second rotary body is provided with second rotating shaft, one end of described second rotating shaft is connected with described second rotary body, the other end of described second rotating shaft is connected with second output shaft of second gear-box that is arranged at the described first rotary body sidepiece, second power shaft of described second gear-box is connected with second servomotor by driving belt
The intersect vertical axis of the axis of described first rotating shaft and described second rotating shaft,
Described second rotary body is arranged at the inside of described first rotary body by described second rotating shaft, and can carry out 360 ° of rotations in the inside of described first rotary body along described second rotating shaft.
Preferably,
Above-mentioned first rotary body be shaped as rectangle, described first rotary body offers the square area of hollow.
It is preferred,
Above-mentioned second rotary body be shaped as square, described second rotary body is arranged at the square area of described hollow, and can carry out 360 ° of rotations in the square area of described hollow along described second rotating shaft,
Described second rotary body offers the border circular areas of hollow.
Another is preferred,
Above-mentioned second rotary body be shaped as circle, described second rotary body is arranged at the square area of described hollow, and can carry out 360 ° of rotations in the square area of described hollow along described second rotating shaft,
Described second rotary body offers the border circular areas of hollow.
Another is preferred,
Above-mentioned first rotary body be shaped as circle, described first rotary body offers the square area of hollow.
It is preferred,
Above-mentioned second rotary body be shaped as square, described second rotary body is arranged at the square area of described hollow, and can carry out 360 ° of rotations in the square area of described hollow along described second rotating shaft,
Described second rotary body offers the border circular areas of hollow.
Another is preferred,
Above-mentioned second rotary body be shaped as circle, described second rotary body is arranged at the square area of described hollow, and can carry out 360 ° of rotations in the square area of described hollow along described second rotating shaft,
Described second rotary body offers the border circular areas of hollow.
Above, above-mentioned driving belt is the V-type driving belt.
Further, above-mentioned second servomotor is fixed in described first rotary body by the support chip that is arranged at the described first rotary body sidepiece.
The utility model comprises first rotary body and second rotary body, first rotary body is provided with first rotating shaft, one end of first rotating shaft is connected with first rotary body, the other end of first rotating shaft is connected with first output shaft of first gear-box that is arranged at the first rotary body top, first power shaft of first gear-box is connected with first servomotor that is arranged at first upper gear case, second rotary body is provided with second rotating shaft, one end of second rotating shaft is connected with second rotary body, the other end of second rotating shaft is connected with second output shaft of second gear-box that is arranged at the first rotary body sidepiece, second power shaft of second gear-box is connected with second servomotor by driving belt, the intersect vertical axis of the axis of first rotating shaft and second rotating shaft, second rotary body is arranged at the inside of first rotary body by second rotating shaft, and can carry out 360 ° of rotations in the inside of first rotary body along second rotating shaft.Compared with prior art, the utlity model has two-way 360 ° of spinfunctions, and simple in structure, assembling easily, volume is less.The utility model is applied on the CNC milling machine, can makes it increase by 2 rotary freedoms.
Description of drawings
The utility model is described in further detail to utilize accompanying drawing, but the embodiment in the accompanying drawing does not constitute any restriction of the present utility model.
Fig. 1 is a structural representation of the present utility model;
Fig. 2-the 1st, the structural representation at first visual angle when first rotary body of the present utility model rotates;
Fig. 2-the 2nd, the structural representation at second visual angle when first rotary body of the present utility model rotates;
Fig. 2-the 3rd, the structural representation at the 3rd visual angle when first rotary body of the present utility model rotates;
Fig. 2-the 4th, the structural representation at the 4th visual angle when first rotary body of the present utility model rotates;
Fig. 3-the 1st, the structural representation at first visual angle when second rotary body of the present utility model rotates;
Fig. 3-the 2nd, the structural representation at second visual angle when second rotary body of the present utility model rotates;
Fig. 4-the 1st, the structural representation at first visual angle when first rotary body of the present utility model and second rotary body rotate simultaneously;
Fig. 4-the 2nd, the structural representation at second visual angle when first rotary body of the present utility model and second rotary body rotate simultaneously.
Comprise among Fig. 1, Fig. 2-1, Fig. 2-2, Fig. 2-3, Fig. 2-4, Fig. 3-1, Fig. 3-2, Fig. 4-1 and Fig. 4-2:
1---first servomotor, 2---first gear-box, 3---first rotary body, 4---second rotary body, 5---second servomotor, 6---support chip, 7---driving belt, 8---second gear-box.
The specific embodiment
With the following Examples the utility model is further described.
The specific embodiment of a kind of two expansion workbench of the present utility model includes first rotary body 3 and second rotary body 4 as shown in Figure 1.First rotary body 3 is provided with first rotating shaft, one end of first rotating shaft is connected with first rotary body 3, the other end of first rotating shaft is connected with first output shaft of first gear-box 2 that is arranged at first rotary body, 3 tops, first power shaft of first gear-box 2 is connected with first servomotor 1 on the top that is arranged at first gear-box 2, second rotary body 4 is provided with second rotating shaft, one end of second rotating shaft is connected with second rotary body 4, the other end of second rotating shaft is connected with second output shaft of second gear-box 8 of the sidepiece that is arranged at first rotary body 3, and second power shaft of second gear-box 8 is connected with second servomotor 5 that is provided with by driving belt 7.The intersect vertical axis of the axis of first rotating shaft and second rotating shaft, second rotary body 4 is arranged at the inside of first rotary body 3 by second rotating shaft, and can carry out 360 ° of rotations in the inside of first rotary body 3 along second rotating shaft.
Shown in Fig. 2-1, Fig. 2-2, Fig. 2-3 and Fig. 2-4, under the duty, the gear that first servomotor 1 drives in first gear-box 2 rotates, and gear rotates and drives the rotation of first rotating shaft, does 360 ° of rotations thereby drive first rotary body 3 along first rotating shaft.
Shown in Fig. 3-1 and Fig. 3-2, under the duty, second servomotor 5 drives driving belt 7, motor power is passed to the gear of second gear-box 8 by driving belt 7, gear rotates, and drives second rotating shaft and rotates, and does 360 ° of rotations thereby drive second rotary body 4 along second rotating shaft.
Simultaneously, can start simultaneously, make win rotary body 3 and second rotary body 4 do 360 ° of rotations along axle separately respectively referring to Fig. 4-1 and Fig. 4-2, the first servomotor 1 and second servomotor 5.
The utility model can be realized the independent rotation of first rotary body 3, the independent rotation of second rotary body 4 by the action of control servomotor, and the purpose of rotation first rotary body 3 and second rotary body 4 time.The utlity model has two-way 360 ° of spinfunctions, and simple in structure, assembling easily, volume is less, can make the workpiece that is mounted thereon realize the processing of multi-angle.
The shape of first rotary body 3 and second rotary body 4 can comprise following type:
The first, referring to shown in Figure 1, first rotary body 3 be shaped as rectangle, first rotary body 3 offers the square area of hollow.Second rotary body 4 be shaped as square, second rotary body 4 is arranged at the square area of hollow, and can in the square area of hollow, carry out 360 ° of rotations along second rotating shaft, and second rotary body offers the border circular areas of hollow, and the border circular areas of this hollow is used for the clamping processing work.This structure makes the structure of the win rotary body 3 and second rotary body 4 firm, and the resistance during rotation is less; The shape of second rotary body can also be circle, and second rotary body is arranged at the square area of hollow, and can carry out 360 ° of rotations in the square area of hollow along second rotating shaft, and second rotary body 4 offers the border circular areas of hollow.
The shape of the second, the first rotary body 3 can also be circle, and first rotary body 3 offers the square area of hollow.Second rotary body 4 be shaped as square, second rotary body 4 is arranged at the square area of hollow, and can carry out 360 ° of rotations in the square area of hollow along second rotating shaft, second rotary body 4 offers the border circular areas of hollow; Second rotary body 4 be shaped as circle, second rotary body 4 is arranged at the square area of hollow, and can carry out 360 ° of rotations in the square area of hollow along second rotating shaft, second rotary body 4 offers the border circular areas of hollow.
Wherein, driving belt 7 is the V-type driving belt.The V-type driving belt is with low cost, and assembling is convenient to change easily.
Second servomotor 5 is fixed in first rotary body 3 by the support chip 6 that is arranged at the first rotary body sidepiece.
Two expansion workbench of the present utility model can be applied on the CNC milling machine, make it increase by 2 frees degree, as using on 3 Shaft and NC Machining Test milling machines, this CNC milling machine is expanded into has 5 freedom degree numerically controlled fraise machines, are convenient to the processing of the multi-angle of workpiece; In addition, also have simple in structure, the characteristics of being convenient to assemble.
Should be noted that at last; above embodiment is only in order to the explanation the technical solution of the utility model; but not to the restriction of the utility model protection domain; although the utility model has been done to explain with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can make amendment or be equal to replacement the technical solution of the utility model, and not break away from the essence and the scope of technical solutions of the utility model.