A kind of the 4th axle rotary table for Digit Control Machine Tool
Technical field
The utility model belongs to Digit Control Machine Tool processing technique field, is specifically related to the 4th axle rotary table for a kind of Digit Control Machine Tool.
Background technology
On common three axis numerically controlled machine, process chamber class part, processes multiple faces, traditional processing method be face of every processing with regard to clamping once, and for the positioning fixture of each machined surface design specialized.Such method production efficiency is low, and because clamping in workpiece processing is located often, machining accuracy is difficult to guarantee.In order to enhance productivity, machining accuracy, prior art conventionally adopts and on common three axis numerically controlled machine workbench, sets up the 4th axle rotary table, completes the processing of multiple to realize clamped one time workpiece.The 4th axle rotary table in the market, employing be high-precision Worm Wheel System, hydraulic locking detent mechanism, complex structure, expensive.
Summary of the invention
The purpose of this utility model is exactly the deficiency existing in order to solve above-mentioned background technology, and a kind of simple in structure, low cost of manufacture, the 4th axle rotary table for Digit Control Machine Tool easy to use are provided.
The technical solution adopted in the utility model is: the 4th axle rotary table for a kind of Digit Control Machine Tool, comprise the 4th axle rotating mechanism and work top, described the 4th axle rotating mechanism comprises pedestal, described pedestal one end arranges rotating mechanism, the pedestal other end arranges tail end supporting device, described rotating mechanism is coaxial with tail end supporting device, described work top two ends are connected with rotating mechanism and tail end supporting device respectively, and described work top can be around rotating mechanism and the coaxial axis rotation of tail end supporting device under rotating mechanism drives.
Further, described pedestal comprises base plate, described base plate one end is provided with the swivel bearing frame of center drilling, and described rotating mechanism comprises main rotating disc, the first adjusting pad and the first gland, and described main rotating disc by the first adjusting pad, the first gland axially and be radially positioned at swivel bearing frame one side.
Further, be also provided with the first slip copper sheathing between described main rotating disc and swivel bearing frame, the card of described main rotating disc is provided with the multiple first positioning cylinder holes symmetrical along circumference.
Further, the motor that described rotating mechanism also comprises installing plate and can drive main rotating disc to rotate, described motor is fixed on swivel bearing frame by installing plate.
Further, the described base plate other end is provided with the tail end bearing support of center drilling, described tail end supporting device comprises supporting turntable, the second adjusting pad and the second gland, and described supporting turntable by the second adjusting pad, the second gland axially and be radially positioned at tail end bearing support one side.
Further, be provided with the second slip copper sheathing between described supporting turntable and tail end bearing support, the card of described supporting turntable is provided with main rotating disc on the first positioning cylinder hole site corresponding multiple second positioning cylinder holes symmetrical along circumference.
Further, be equipped with two location copper sheathings and two cylinders about rotation symmetry on described swivel bearing frame and tail end bearing support, the axis of the piston of described cylinder is provided with the alignment pin that can slide along location copper sheathing under cylinder action.
Further, described tail end supporting device also comprises the inductive switch that can detect supporting turntable position of rotation, and described inductive switch is fixed on tail end bearing support.
The utility model rotates by the main rotating disc of driven by motor, and main rotating disc drives work top to rotate the rotation that realizes work top; The location of realizing work top that coordinates that drives alignment pin and locating hole on rotating disc by cylinder, overall structure is simple, and low cost of manufacture is easy to use.
Accompanying drawing explanation
Fig. 1 is schematic perspective view of the present utility model.
Fig. 2 is front view of the present utility model.
Fig. 3 is cutaway view of the present utility model.
Wherein: 1-the 4th rotating mechanism, 10-pedestal, 101-base plate, 102-swivel bearing frame, 103-end support frame, 104-location copper sheathing, 105-cylinder, 106-alignment pin; 11-rotating mechanism, the main rotating disc of 111-, 112-the first adjusting pad, 113-the first gland, 114-installing plate, 115-the first slip copper sheathing, 116-the first positioning cylinder hole, 117-motor; 12-end support mechanism, 121-supporting turntable, 122-the second adjusting pad, 123-the second gland, 124-inductive switch, 125-the second slip copper sheathing, 126-the second positioning cylinder hole; 2-work top.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, is convenient to be well understood to the utility model, but they do not form and limit the utility model.
As Figure 1-3, the utility model is comprised of the 4th axle rotating mechanism 1 and work top 2, and work top 2 is fixed on the 4th axle rotating mechanism 1 by screw; The 4th axle rotating mechanism 1 comprises pedestal 10, can drive the rotating mechanism 11 of work top rotation, tail end supporting device 12 that can positioning table face, rotating mechanism 11 is coaxial with tail end supporting device 12, work top 2 two ends are connected with rotating mechanism 11 and tail end supporting device 12 respectively, and work top 2 can be around rotating mechanism 11 and the coaxial axis rotation of tail end supporting device 12 under rotating mechanism 11 drives.
Described rotating basis 10 comprises base plate 101, be fixed on swivel bearing frame 102 and the tail end bearing support 103 at base plate 101 two ends, on described swivel bearing frame 102 and tail end bearing support 103, be also respectively equipped with two cylinders 105 about rotation symmetry, the axis of the piston of described cylinder 105 is provided with alignment pin 106, described alignment pin 106 moves along the location copper sheathing 104 that is fixed on swivel bearing frame 102 and tail end bearing support 103 under the effect of cylinder 105 pistons, realization and main rotating disc 111 with the cooperation in the first positioning cylinder hole 116 in supporting turntable 121 cards and the second positioning cylinder hole 126 with separation.
Described rotating mechanism 11 comprises main rotating disc 111, the first adjusting pad 112, the first gland 113, installing plate 114, the first slip copper sheathing 115 and motor 117, described main rotating disc 111 is by the first adjusting pad 112, the first gland 113 axially and be radially positioned on swivel bearing frame 102, the first slip copper sheathing 115 is between main rotating disc 111 and swivel bearing frame 102, by the thickness of match grinding the first adjusting pad 112, guarantee that main rotating disc 111 and the first gland 113 are with respect to the first slip copper sheathing 115 gapless flexible rotatings, described motor 117 is fixed on rotating support 102 by installing plate 114, motor 117 drives main rotating disc 111 to rotate by the flat key on output shaft.
Described tail end supporting device 12 comprises supporting turntable 121, the second adjusting pad 122, the second gland 123, inductive switch 124 and the second slip copper sheathing 125, described supporting turntable 121 by the second adjusting pad 122, the second gland 123 axially and be radially positioned on tail end bearing support 103, the second slip copper 125 is between supporting turntable 121 and tail end bearing support 103, by the thickness of match grinding the second adjusting pad 122, guarantee that supporting turntable 121 and the second gland 123 are with respect to the second slip copper sheathing 125 gapless flexible rotatings; Described inductive switch 124 is fixed on tail end bearing support 103.
In the card of described main rotating disc 111 and supporting turntable 121, be respectively equipped with multiple first positioning cylinder holes 116 and the second positioning cylinder hole 126 symmetrical along circumference, the angle forming between these positioning cylinder holes is exactly the angle between processing work machined surface, in the present embodiment, in the card of main rotating disc 111 and supporting turntable 121, be respectively equipped with four first positioning cylinder holes 116 and four the second positioning cylinder holes 126 symmetrical along circumference, realize three mutually perpendicular plane machinings of processing work.
During work, motor 117(or motor are through reductor) drive main rotating disc 111 to rotate, main rotating disc 111 drives the work top 2 being fixed on main rotating disc 111 to rotate, thereby drive supporting turntable 121 to rotate, main rotating disc 111 rotates with supporting turntable 121 simultaneously, when receiving, inductive switch 124 rotates to after bit-type signal, motor 117 stops operating, cylinder 105 pistons stretch out and drive alignment pin 106 104 slips in the copper sheathing of location, alignment pin 106 is coordinated with the first positioning cylinder hole 116 and the second positioning cylinder hole 126 in the card of main rotating disc 111 and supporting turntable 121 respectively, realize the location of workbench, now Digit Control Machine Tool can carry out the processing of workpiece locating surface, when this locating surface of workpiece machines, cylinder 105 piston-retraction drive alignment pins 106 separation with the second positioning cylinder hole 126 with the first positioning cylinder hole 116 in the card of main rotating disc 111 and supporting turntable 121 respectively, cylinder 105 pistons send the signal that puts in place of retracting, motor 117 rotates, thereby drive main rotating disc 111 to rotate, realize the rotation of workbench.
The content not being described in detail in this description belongs to the known prior art of professional and technical personnel in the field.