CN217019388U

CN217019388U - Rotary power head

Info

Publication number: CN217019388U
Application number: CN202220297950.5U
Authority: CN
Inventors: 张学武
Original assignee: Foshan Xuchuan Technology Co ltd
Current assignee: Foshan Xuchuan Technology Co ltd
Priority date: 2022-02-14
Filing date: 2022-02-14
Publication date: 2022-07-22
Anticipated expiration: 2032-02-14

Abstract

The utility model relates to a rotary power head, which comprises a power head, an angle adjusting mechanism and a braking device, wherein the power head is provided with a plurality of power output heads, the power head provides rotary power for the power output heads, and the power output heads are used for connecting a cutter; the angle adjusting mechanism comprises a driver, and the driver is used for adjusting the relative angle between the power head and the driver; the braking device is used for locking the relative angle between the power head and the angle adjusting mechanism; the power take off of this structure is installed to the power head on, can drive the unit head through angle adjustment mechanism and rotate to the cutter of the various functions of fast switch over, and can drive the arbitrary angle of power take off deflection, and then adjust the position and the angle of connecting the cutter on the unit head, in order to accomplish the processing to complicated work piece.

Description

Rotary power head

Technical Field

The utility model relates to the field of numerical control machining equipment, in particular to a rotary power head.

Background

Chinese patent document No. CN 110948289 a discloses a machining center in 3.4.2020, which includes a frame, a clamp assembly, a horizontal guide rail, a front and rear movable seat, a vertical movable seat, a horizontal movable seat, a first mounting block, a vertical tool magazine, a rotary shaft, a driver, a tool apron, and a rotary tool shaft. The neutral tool magazine in the machining center of the structure is provided with a plurality of rotary tool shafts, and can be matched with three-dimensional motion to realize the drilling machining of a workpiece to the direction; however, since the rotating cutter shafts of the vertical tool magazine are all horizontally oriented, when drilling or deep hole position machining with a certain included angle with the water surface needs to be performed, the process is complex, and the machining precision is easily affected. Therefore, an angularly adjustable power head is required to accommodate the above machining.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the existing problems and provides a rotary power head which is simple in structure, adjustable in power output head angle, suitable for machining various angles and capable of realizing rotary cutter shaft switching.

A rotary power head comprises a power head, an angle adjusting mechanism and a braking device, wherein the power head is provided with a plurality of power output heads, the power head provides rotary power for the power output heads, and the power output heads are used for being connected with a cutter; the angle adjusting mechanism comprises a driver, and the driver is used for adjusting the relative angle between the power head and the driver; the braking device is used for locking the relative angle between the power head and the angle adjusting mechanism.

The aim of the utility model can also be solved by the following technical measures:

as a more specific scheme, the power head comprises a rotating main shaft, the driver is an angle adjusting motor, the angle adjusting mechanism further comprises a gear box, and the angle adjusting motor is arranged on the gear box and is in transmission connection with the rotating main shaft through the gear box.

As a further scheme, the gear box comprises a box body, a worm and a worm wheel, the worm and the worm wheel are meshed with each other and arranged in the box body, the worm is in transmission connection with a rotating shaft of the angle adjusting motor, and one end of the rotating main shaft extends into the box body to be in transmission connection with the worm wheel.

As a further scheme, the braking device comprises a braking actuator and a braking member acting on the rotary spindle, the braking member is in transmission connection with the braking actuator, and the braking actuator is arranged on the gear box.

As a further scheme, one end of the rotating main shaft is exposed out of the gear box and is fixedly provided with a friction disc, and the brake driver comprises two brake cylinders; the stopper includes first clamp and second clamp, and first clamp and second clamp surround in the periphery of friction disk, and the one end of first clamp and second clamp rotates with the gear box to be connected, and the other end is connected with the piston rod transmission of brake cylinder.

As a further scheme, the power head further comprises a rotary seat, the rotary main shafts are fixedly connected with the rotary seat, and the power output heads are more than two and annularly distributed on the periphery of the rotary seat by taking the rotary main shafts as axes; the rotating seat is internally provided with a main driving wheel, and each power output head is provided with a driven wheel meshed with the main driving wheel.

As a further scheme, a high-speed motor is arranged on the rotating seat and is in transmission connection with the main driving wheel; or the rotating main shaft is a hollow shaft, the gear box is provided with an opening corresponding to the hollow shaft, the main driving wheel is connected with the transmission shaft, and the transmission shaft penetrates through the hollow shaft and the opening to be connected with external power.

As a further scheme, the power output head comprises a tool apron, a rotary tool shaft and the driven wheel, the rotary tool shaft is rotatably arranged on the tool apron, the tool apron is fixedly connected with the rotary base, one end of the rotary tool shaft extends into the rotary base and is connected with the driven wheel, and the driven wheel and the main driving wheel are both bevel gears.

As a further scheme, four to six through holes are uniformly distributed on the periphery of the rotating seat around the rotating main shaft, the power output head is arranged outside the through holes, a lug boss is arranged on a tool apron of the power output head corresponding to the through holes, and the lug boss is inserted into the through holes; the rotary cutter shaft extends into the rotary seat through the through hole and is connected with the driven wheel.

As a further scheme, first clamp and second clamp are arc structure or semicircle structure, and two brake cylinders set up on the gear box from top to bottom corresponding first clamp and second clamp, and the piston rod relative motion setting of two brake cylinders.

The utility model has the following beneficial effects:

according to the rotary power head, the power output head is arranged on the power head, the power head can be driven to rotate through the angle adjusting mechanism, so that cutters with various functions can be switched rapidly, the power output head can be driven to deflect at any angle, and the position and the angle of the cutter connected to the power head can be adjusted, so that horizontal machining and machining of complex workpieces can be completed.

Drawings

Fig. 1 is a schematic structural diagram according to an embodiment of the present invention.

Fig. 2 is a schematic cross-sectional structure of the present invention.

FIG. 3 is a schematic view of the internal transmission structure of the gear box of the present invention.

Fig. 4 is a schematic structural diagram of the braking device of the present invention.

Fig. 5 is a schematic diagram of a layout structure of the power take-off head of the present invention.

Fig. 6 is a schematic structural view of a main driving wheel according to a second embodiment of the present invention.

Detailed Description

The utility model is further illustrated by the following examples in conjunction with the drawings.

The first embodiment:

as shown in fig. 1, a rotary power head 1 comprises a power head 1, an angle adjusting mechanism 2 and a brake device 3, wherein the power head 1 is provided with a plurality of power output heads 4, the power head 1 provides rotary power for the power output heads 4, and the power output heads 4 are used for connecting a cutter; the angle adjusting mechanism 2 comprises a driver 5, and the driver 5 is used for adjusting the relative angle of the power head 1; the brake device 3 is used for locking the relative angle of the power head 1 and the angle adjusting mechanism 2.

The power take-off head 4 of this structure installs to unit head 1 on, can drive unit head 1 through angle adjustment mechanism 2 and rotate to the cutter of the various functions of fast switch over, and can drive power take-off head 4 arbitrary angle of deflection, and then adjust the position and the angle of connecting the cutter on unit head 1, in order to accomplish the processing of horizontal direction and to the processing of complicated work piece, make equipment cost and design degree of difficulty reduce.

Second embodiment:

as shown in fig. 1 to 5, the power head 1 includes a rotating spindle 7, the driver 5 is an angle adjusting motor, the angle adjusting mechanism 2 further includes a gear box 6, and the angle adjusting motor is disposed on the gear box 6 and is in transmission connection with the rotating spindle 7 through the gear box 6; the rotation speed and rotation angle of the rotary spindle 7 can be controlled by the gear box 6 and the angle adjusting motor.

The gear box 6 comprises a box body 61, a worm 62 and a worm wheel 63, the worm 62 and the worm wheel 63 are meshed with each other and arranged in the box body 61, the worm 62 is in transmission connection with a rotating shaft of an angle adjusting motor, and one end of the rotating main shaft 7 extends into the box body 61 to be in transmission connection with the worm wheel 63; the worm 62 and the worm wheel 63 are utilized to realize the vertical conversion of the power transmission direction, the volume of the gear box 6 can be reduced, and the structure of the rotary power head 1 can be kept compact.

The braking device 3 comprises a braking driver 5 and a braking piece acting on the rotating spindle 7, the braking piece is in transmission connection with the braking driver 5, and the braking driver 5 is arranged on the gear box 6; the rotation spindle 7 is braked by the brake member, and the rotation angle of the rotation spindle 7 can be fixed.

The braking device 3 is specifically: one end of the rotating main shaft 7 is exposed out of the gear box 6 and is fixedly provided with a friction disc 13, the power head 1 further comprises a rotating seat 8, and the brake driver 5 comprises two brake cylinders 14; the braking part comprises a first clamping hoop 15 and a second clamping hoop 16, the first clamping hoop 15 and the second clamping hoop 16 surround the periphery of the friction disc 13, one end of the first clamping hoop 15 and one end of the second clamping hoop 16 are rotatably connected with the gear box 6, and the other end of the first clamping hoop 15 and the other end of the second clamping hoop are in transmission connection with a piston rod of the braking cylinder 14; the first clamp 15 and the second clamp 16 act on the outer wall of the friction disc 13, and the friction disc 13 can be braked to reduce the torque required during braking, so that the braking efficiency is better.

First clamp 15 and second clamp 16 are arc structure or semi-circular structure, and two brake cylinder 14 correspond first clamp 15 and second clamp 16 and set up on gear box 6 from top to bottom, and two brake cylinder 14's piston rod relative motion sets up, and brake cylinder 14 drives first clamp 15 and the 16 relative motion realization centre gripping actions of second clamp and then braking rotary main shaft 7.

The rotating main shaft 7 is fixedly connected with the rotating base 8, and the power output heads 4 are more than two and annularly distributed on the periphery of the rotating base 8 by taking the rotating main shaft 7 as an axis; a main driving wheel 10 is arranged in the rotating seat 8, and each power output head 4 is provided with a driven wheel 12 meshed with the main driving wheel 10; the rotating seat 8 is provided with a high-speed motor 9, and the high-speed motor 9 is in transmission connection with a main driving wheel 10.

The power output head 4 comprises a cutter holder 42, a rotary cutter shaft 41 and the driven wheel 12, the rotary cutter shaft 41 is rotatably arranged on the cutter holder 42, the cutter holder 42 is fixedly connected with the rotary base 8, one end of the rotary cutter shaft 41 extends into the rotary base 8 and is connected with the driven wheel 12, and the driven wheel 12 and the main driving wheel 10 are both bevel gears.

Four through holes 11 are uniformly distributed around the rotating main shaft 7 on the periphery of the rotating base 8, the power output head 4 is arranged outside the through holes 11, a tool apron 42 of the power output head 4 is provided with a boss 43 corresponding to the through holes 11, and the boss 43 is inserted into the through holes 11; the rotary cutter shaft 41 extends into the rotary seat 8 through the through hole 11 to be connected with the driven wheel 12, and power is synchronously distributed to each power output head 4 through the single high-speed motor 9, so that the structure of the rotary power head 1 can be simplified, and the production cost is reduced.

The third embodiment:

as shown in fig. 6, the third embodiment has substantially the same structure as the second embodiment, except that the rotating main shaft 7 is a hollow shaft, the gear box 6 is provided with an opening 601 corresponding to the hollow shaft, the main driving wheel 10 is connected with a transmission shaft 901, and the transmission shaft 901 passes through the hollow shaft and the opening 601 to be connected with external power (such as a power output rotating shaft of a machining center), so that a high-speed motor is omitted.

The motor is replaced by other driving schemes and is regarded as an equivalent technical scheme.

The foregoing is a preferred embodiment of the present invention, and the basic principles, main features and advantages of the present invention are shown and described. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the present invention, but various changes and modifications may be made without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.

Claims

1. A rotary power head is characterized in that: the power head is provided with a plurality of power output heads, the power head provides rotary power for the power output heads, and the power output heads are used for connecting a cutter; the angle adjusting mechanism comprises a driver, and the driver is used for adjusting the relative angle between the power head and the driver; the braking device is used for locking the relative angle between the power head and the angle adjusting mechanism.

2. The rotary power head of claim 1, wherein: the power head comprises a rotating main shaft, the driver is an angle adjusting motor, the angle adjusting mechanism further comprises a gear box, and the angle adjusting motor is arranged on the gear box and is in transmission connection with the rotating main shaft through the gear box.

3. The rotary power head of claim 2, wherein: the gear box includes box, worm and worm wheel, and worm wheel intermeshing and setting are in the box, and the worm is connected with angle adjusting motor's pivot transmission, rotatory main shaft one end stretches into the box in with worm wheel transmission.

4. The rotary power head of claim 2, wherein: the braking device comprises a braking driver and a braking piece acting on the rotating spindle, the braking piece is in transmission connection with the braking driver, and the braking driver is arranged on the gear box.

5. The rotary power head of claim 4, wherein: one end of the rotating main shaft is exposed out of the gear box and is fixedly provided with a friction disc, and the brake driver comprises two brake cylinders; the stopper includes first clamp and second clamp, and first clamp and second clamp surround in the periphery of friction disk, and the one end of first clamp and second clamp rotates with the gear box to be connected, and the other end is connected with the piston rod transmission of brake cylinder.

6. The rotary power head according to any one of claims 2 to 5, wherein: the power head also comprises a rotary seat, the rotary main shafts are fixedly connected with the rotary seat, and the power output heads are more than two and are annularly distributed on the periphery of the rotary seat by taking the rotary main shafts as axes; the rotating seat is internally provided with a main driving wheel, and each power output head is provided with a driven wheel meshed with the main driving wheel.

7. The rotary power head of claim 6, wherein: the rotating seat is provided with a high-speed motor, and the high-speed motor is in transmission connection with the main driving wheel; or the rotating main shaft is a hollow shaft, the gear box is provided with an opening corresponding to the hollow shaft, the main driving wheel is connected with the transmission shaft, and the transmission shaft penetrates through the hollow shaft and the opening to be connected with external power.

8. The rotary power head of claim 6, wherein: the power output head comprises a cutter holder, a rotary cutter shaft and the driven wheel, the rotary cutter shaft is rotatably arranged on the cutter holder, the cutter holder is fixedly connected with the rotary base, one end of the rotary cutter shaft extends into the rotary base and is connected with the driven wheel, and the driven wheel and the main driving wheel are bevel gears.

9. The rotary power head of claim 8, wherein: four to six through holes are uniformly distributed in the periphery of the rotating seat around the rotating main shaft, the power output head is arranged outside the through holes, a tool apron of the power output head is provided with a boss corresponding to the through holes, and the boss is inserted into the through holes; the rotary cutter shaft extends into the rotary seat through the through hole and is connected with the driven wheel.

10. The rotary power head of claim 5, wherein: first clamp and second clamp are arc structure or semicircle structure, and two brake cylinder correspond first clamp and second clamp and set up on the gear box from top to bottom, and the piston rod relative motion setting of two brake cylinders.