CN218746171U

CN218746171U - Three-axis linkage system for square frame type end face milling machine and square frame type end face milling machine

Info

Publication number: CN218746171U
Application number: CN202222983615.3U
Authority: CN
Inventors: 李生庆
Original assignee: Suzhou Fujiu Machinery Technology Co ltd
Current assignee: Suzhou Fujiu Machinery Technology Co ltd
Priority date: 2022-11-09
Filing date: 2022-11-09
Publication date: 2023-03-28
Anticipated expiration: 2032-11-09

Abstract

The utility model provides a three-axis linkage system for square frame formula face mill, it includes motion control ware and three-axis aggregate unit, three-axis aggregate unit includes X axle beam assembly, Z axle moving mechanism, X axle moving mechanism and Y axle feed mechanism, Z axle moving mechanism is fixed in on X axle beam assembly's the rear side and establishes into the movably connection of Z axle on the square frame left and right sides, X axle moving mechanism establishes into that X axle is movably installed on X axle beam assembly's front side, Y axle feed mechanism installs on X axle beam assembly's top and establishes into the movably support milling head of Y axle via X axle moving mechanism, Z axle moving mechanism and X axle moving mechanism establish into can drive Y axle feed mechanism and milling head with circular orbit motion under motion control ware's control. The utility model also provides a square frame formula face milling machine with above-mentioned triaxial linked system. The utility model discloses can realize that the triaxial linkage accomplishes milling to the work piece by the milling end face accurately reliably.

Description

Three-axis linkage system for square frame type end face milling machine and square frame type end face milling machine

Technical Field

The utility model relates to a wind-powered electricity generation blade terminal surface processing technology field, concretely relates to square frame formula is triaxial linked system and square frame formula end face milling machine for end face milling machine.

Background

The wind power generator is generally composed of a tower, wind power generator blades on the tower, a hub, a nacelle, a transmission system in the nacelle, a control system, a generator and the like. The wind turbine blades and the hub are generally connected into a whole through threads, so that embedded parts, namely bolts, are arranged at the root end of each blade in the manufacturing process of the blades. Before the blade is connected with the hub, the blade root end, i.e. the end face of the blade root needs to ensure certain precision, i.e. the whole end face and the embedded part need to achieve uniform precision, and the flatness of the blade root end and the embedded part can meet the specified requirements generally through a milling processing mode.

However, due to the larger diameter of the root end of the blade, especially for high-power wind power generators, the diameter of the joint surface where the root end of the blade and the hub are connected by screw threads reaches more than two meters (even the height of two floors), which further increases the difficulty of positioning and processing the end surface of the root end of the blade. Due to the limitation of the blade profile, the machining cannot be completed by a conventional face milling machine.

The applicant has designed a block face milling machine for this purpose, in which the outer peripheral surfaces of the blades are clamped from the outside by means of a clamping fixture mounted on each corner of the block face milling machine. However, for the milling machine, the existing milling motion system is not adapted, so that it is urgently needed to design a system capable of driving the milling head to perform milling in three axial directions in a linkage manner.

SUMMERY OF THE UTILITY MODEL

To this end, the utility model provides a three-axis linkage system and square frame face milling machine for square frame face milling machine will be favorable.

To achieve the above object, according to one aspect of the present invention, there is provided a three-axis linkage system for a square frame type face mill, comprising a motion controller and a three-axis linkage device electrically connected to the motion controller, the three-axis linkage device comprising an X-axis beam assembly, a Z-axis moving mechanism, an X-axis moving mechanism and a Y-axis feeding mechanism, wherein the Z-axis moving mechanism is fixed to a rear side of the X-axis beam assembly and is configured such that the Z-axis is movably connected to left and right sides of a square frame of the square frame type face mill, the X-axis moving mechanism is configured such that the X-axis is movably installed on a front side of the X-axis beam assembly, the Y-axis feeding mechanism is installed on a top of the X-axis beam assembly via the X-axis moving mechanism and is configured such that the Y-axis movably supports a milling head of the square frame type face mill, and wherein the Z-axis moving mechanism and the X-axis moving mechanism are configured such that the Y-axis feeding mechanism and the milling head thereon can be driven under control of the motion controller to move along a circular path adapted to a milled end face shape of a workpiece.

The utility model discloses in, through above-mentioned structure, the milling head can be driven by Y axle feed mechanism and is feeding around the Y axle direction, and Y axle feed mechanism can be driven simultaneously by X axle moving mechanism and Z axle moving mechanism and is making circular orbit motion along X axle and Z axle place vertical plane to milling the terminal surface by milling of whole work piece.

Furthermore, position sensors are arranged on the Z-axis moving mechanism, the X-axis moving mechanism and the Y-axis feeding mechanism, and the position sensors are electrically connected with the motion controller.

Through the structure, the motion controller can control and realize the motion of the milling head in three axial directions of X, Y and Z in real time.

Still further, the Z-axis moving mechanism, the X-axis moving mechanism and the Y-axis feeding mechanism respectively comprise a Z-axis servo motor, an X-axis servo motor and a Y-axis servo motor, wherein the Z-axis servo motor, the X-axis servo motor and the Y-axis servo motor are provided with position sensors, and the position sensors are encoders.

Through the arrangement, the motion controller can control the positions in the three axial directions of X, Y and Z according to the encoder information on the motors, and then controls the starting and stopping of each motor according to the requirement.

Still further, X axle crossbeam subassembly includes the X axle crossbeam, installs left crossbeam connecting seat and right crossbeam connecting seat on the X axle crossbeam left and right sides and installs X on X axle crossbeam top to the slide rail.

Furthermore, the Z-axis moving mechanism further comprises a left connecting seat and a right connecting seat which are respectively and fixedly connected with the left beam connecting seat and the right beam connecting seat, Z-direction moving long shafts with two ends respectively and rotatably arranged on the left connecting seat and the right connecting seat, a left Z-direction gear and a right Z-direction gear which are respectively arranged on the inner sides of the left connecting seat and the right connecting seat and are respectively arranged on the Z-direction moving long shafts, a left Z-direction rack and a right Z-direction rack which are respectively arranged on the left side and the right side of the square frame and are suitable for being respectively meshed with the left Z-direction gear and the right Z-direction gear, wherein the Z-axis servo motor is arranged on the right connecting seat and is in driving connection with the Z-direction moving long shafts, and the left connecting seat and the right connecting seat are respectively provided with an X-direction opening sliding seat and a Y-direction opening sliding seat which are suitable for being connected with the left side and the right side of the square frame in a sliding manner.

Through the structure, the front side of the Z-axis moving mechanism is fixed on the rear side of the X-axis beam assembly, the rear side of the Z-axis moving mechanism is connected to one of the left side and the right side of the square frame in a sliding manner through the X-direction opening sliding seat and the Y-direction opening sliding seat on each connecting seat of the left connecting seat and the right connecting seat, and the left Z-direction gear and the right Z-direction gear driven by the Z-direction moving long shaft are meshed with the left Z-direction rack and the right Z-direction rack arranged on the left side and the right side of the square frame respectively to realize Z-direction movement.

Further, the Z-axis servo motor is connected with the Z-direction moving long shaft through a Z-axis speed reducer in a driving mode, and the Z-axis speed reducer is installed on the outer side of the right connecting seat through a speed reducer connecting seat.

Through the structure, the Z-axis servo motor can drive the Z-direction moving long shaft through the Z-axis speed reducer, then the Z-direction moving long shaft drives the left Z-direction gear and the right Z-direction gear on the Z-direction moving long shaft to rotate together, so that the Z-axis moving mechanism moves up and down along the left Z-direction rack and the right Z-direction rack which are fixed on the left side and the right side of the square frame, and the X-axis moving mechanism and the Y-axis feeding mechanism on the X-axis beam assembly are driven to move up and down.

And the X-axis moving mechanism further comprises an X-axis moving seat connected with the X-axis sliding rail in a sliding manner, an X-axis gear rotatably arranged on the X-axis moving seat, and an X-axis rack fixedly arranged on the front side of the X-axis cross beam and meshed with the X-axis gear, wherein a front motor seat is arranged at the bottom of the X-axis moving seat, the X-axis servo motor is arranged on the front side of the front motor seat and is in driving connection with the X-axis gear positioned on the rear side of the front motor seat, and the Y-axis feeding mechanism is arranged on the top of the X-axis cross beam assembly through the X-axis moving seat.

Through the structure, the X-axis servo motor can drive the X-axis gear to move along the X-axis rack, and the whole X-axis moving seat drives the Y-axis feeding mechanism to move along the X-axis direction.

Still further, the Y-axis feeding mechanism further comprises a Y-axis moving seat which is slidably mounted on the X-axis moving seat, a Y-axis servo motor is fixedly mounted on the front side of the X-axis moving seat and is in driving connection with the Y-axis moving seat, and the milling head is mounted on the Y-axis moving seat.

Through the structure, the Y-axis feeding mechanism can drive the milling head to feed along the Y-axis direction through the Y-axis moving seat.

Still further, the milling head comprises a milling mounting support, a milling power box mounted on the milling mounting support, and a milling cutter head rotationally driven by the milling power box, wherein a distance measuring laser head electrically connected with the motion controller is mounted on the milling power box.

Through the structure, the milling head can mill the end face of the whole workpiece, and the distance measuring laser head is arranged, so that the milling amount can be accurately controlled.

According to another aspect of the present invention, there is provided a square frame face milling machine, comprising a square frame and a three-axis linkage system for the square frame face milling machine.

By means of this design, the milling of a block face milling machine can be realized.

These and other aspects of the invention will be apparent from and elucidated with reference to the embodiments described hereinafter.

Drawings

The structure of the present invention, together with further objects and advantages thereof, will be best understood from the following description taken in conjunction with the accompanying drawings, in which like reference characters identify like elements:

FIG. 1 is a schematic perspective view of a three-axis linkage system for a block face mill, according to one embodiment of the present invention;

FIG. 2 is an exploded perspective view of the three-axis linkage system for the block face mill of FIG. 1;

FIG. 3 is another exploded perspective view of the three-axis linkage system for the square face mill of FIG. 1;

FIG. 4 is a perspective exploded view of the three-axis linkage system of the block face mill of FIG. 1 applied to a block face mill;

FIG. 5 is an enlarged schematic view of a portion D of the block face mill of FIG. 4;

FIG. 6 is a right side plan view of the square face mill of FIG. 4;

FIG. 7 is an enlarged schematic view of a portion E of the block face mill of FIG. 6;

FIG. 8 is a schematic perspective view of a right side connecting seat of the three-axis linkage system for the block face mill of FIG. 1;

FIG. 9 is a schematic perspective view of a left side connecting seat of the three-axis linkage system for the square face mill shown in FIG. 1;

FIG. 10 is a schematic perspective view of the three-axis linkage system for the block face mill of FIG. 1, after removal of the Z-axis translation mechanism and X-axis beam assembly;

fig. 11 is an exploded view of the three-dimensional structure shown in fig. 10.

Detailed Description

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings.

First, the terms "X direction", "Y direction", and "Z direction" used herein refer to the X axis direction, which is the extending direction of the X beam, i.e., the left-right direction, the Y axis direction, which is the front-back direction, and the Z axis direction, which is the vertical up-down direction, respectively.

As shown in fig. 1 to 7, a three-axis linkage system for a block face milling machine 100 according to an embodiment of the present invention includes a motion controller (not shown) and a three-axis linkage 200. The three-axis linkage device 200 is electrically connected with a motion controller and comprises an X-axis beam assembly 1, a Z-axis moving mechanism 3, an X-axis moving mechanism 5 and a Y-axis feeding mechanism 7, wherein a milling head 9 is installed on the Y-axis feeding mechanism 7, the Z-axis moving mechanism 3 and the X-axis moving mechanism 5 are arranged to drive the Y-axis feeding mechanism 7 and the milling head 9 thereon to move in a circular track matched with the shape of the milled end face of a workpiece (in the embodiment, a wind power blade) under the control of the motion controller, and meanwhile, the Y-axis feeding mechanism 7 is arranged to drive the milling head 9 thereon to feed along the Y-axis direction.

As shown in fig. 1 to 3, in the present embodiment, the X-axis beam assembly 1 includes an X-axis beam 10, left and right beam connection bases 11 and 12 installed on left and right sides of the X-axis beam 10, and an X-direction slide rail 15 installed on a top of the X-axis beam 10.

As shown in fig. 1 to 3, and referring to fig. 4 to 7, the Z-axis moving mechanism 3 is fixed to the rear side of the X-axis beam 10 of the X-axis beam assembly 1, and is arranged so that the Z-axis is movably (i.e., movably in the Z-axis direction) connected to the left and right sides of the block 101 of the block face mill 100, i.e., the left and

right uprights

102 and 104 of the block 101.

Specifically, as shown in fig. 1 to 9, in the present embodiment, the Z-axis moving mechanism 3 includes a Z-axis servo motor 30, left and

right link holders

31 and 32, a Z-direction moving long axis 33, left and right Z-

direction gears

34 and 35, and left and right Z-direction racks 36 and 37. The Z-axis servo motor 30 is mounted on the right side connecting base 32 and is connected with the Z-direction moving long shaft 33 in a driving mode. The left and right

side link blocks

31 and 32 are fixedly connected to the left and right beam link blocks 11 and 12, respectively. The two ends of the long Z-direction moving shaft 33 are rotatably mounted on the left connecting seat 31 and the right connecting seat 32, respectively. The left Z-gear 34 and the right Z-gear 35 are mounted on the Z-moving long shaft 33 inside the left and

right coupling holders

31 and 32, respectively. The left Z-directional rack 36 and the right Z-directional rack 37 are respectively and correspondingly arranged on the left upright post 102 and the right upright post 104 of the frame 101 and are suitable for respectively engaging the left Z-directional gear 34 and the right Z-directional gear 35.

As shown in fig. 5, 8 and 9, the left and

right link bases

31 and 32 are each provided with an X-direction opening slider 38 and a Y-direction opening slider 39. As shown in fig. 5, taking the right connecting seat 32 as an example, the X-direction open slide 38 and the Y-direction open slide 39 thereon are slidably connected to the first slide 184 and the second slide 194 on the right upright post 104 of the frame 101, respectively. In addition, as shown in fig. 5 and referring to fig. 1 and 3, the Z-axis servomotor 30 is drivingly connected to the Z-direction moving long shaft 33 via a Z-axis reducer 40, and the Z-axis reducer 40 is attached to the outer side of the right side connecting base 32 via a reducer connecting base 41.

As shown in fig. 1 to 3, and referring to fig. 10 and 11, the X-axis moving mechanism 5 is provided such that the X-axis is movably (i.e., movably in the X-axis direction) mounted on the front side of the X-axis beam assembly 1, and includes an X-axis servomotor 50, an X-axis moving base 55, an X-direction gear 57, and an X-direction rack 59. Wherein, the X-axis moving seat 55 is connected with the X-direction slide rail 15 in a sliding way; an X-direction gear 57 rotatably mounted on the X-axis moving base 55; an X-directional rack 59 is fixedly mounted on the front side of the X-axis beam 10 (shown most clearly in fig. 5) and meshes with the X-directional gear 57. Specifically, as shown in fig. 10 and 11, in the present embodiment, a front motor base 56 is provided at the bottom of the X-axis moving base 55, the X-axis servo motor 50 is mounted on the front side of the front motor base 56, and the X-direction gear 57 is located at the rear side of the front motor base 56 and is drivingly connected to the X-axis servo motor 50.

As further shown in fig. 10 and 11, the Y-axis feed mechanism 7 is mounted on the top of the X-axis beam assembly 1 via the X-axis moving mechanism 5 and is provided so as to movably support the milling head 9 in the Y-axis direction (i.e., movably in the Y-axis direction). Specifically, in the present embodiment, the Y-axis feeding mechanism 7 includes a Y-axis servo motor 70 and a Y-axis moving base 75, wherein the Y-axis servo motor 70 is fixedly mounted on the front side of the X-axis moving base 55 and is drivingly connected to the Y-axis moving base 75, while the Y-axis moving base 75 is slidably mounted on the X-axis moving base 55 so as to be movable back and forth in the Y-axis direction relative to the X-axis moving base 55 under the driving of the Y-axis servo motor 70.

In the present embodiment, encoders (not shown) are disposed on the Z-axis servo motor 30, the X-axis servo motor 50, and the Y-axis servo motor 70, and these encoders are electrically connected to the motion controller as position sensors, so that the motion controller can accurately control the motion of the three-axis linkage device in the three directions of the X-axis, the Y-axis, and the Z-axis by controlling the start and stop of the Z-axis servo motor 30, the X-axis servo motor 50, and the Y-axis servo motor 70.

The milling head 9 is mounted on the Y-axis moving base 75, and the milling head 9 includes a milling attachment base 92, a milling head 90 mounted on the milling attachment base 92, and a milling head 94 rotationally driven by the milling head 90. In the present embodiment, the milling headstock 90 is provided with a distance measuring laser head 91, and the distance measuring laser head 91 is also electrically connected to a motion controller, so that the measurement before and after the machining of the milled end surface of the workpiece can be performed.

As shown in fig. 4 and fig. 6, another aspect of the present invention provides a square frame type face milling machine 100, which includes a square frame 101, a motion controller and a three-axis linkage 200 (i.e. the three-axis linkage system for the square frame type face milling machine described above), under the control of the motion controller, the three-axis linkage 200 can move up and down along the square frame 101, and at the same time, the Y-axis moving mechanism 7 drives the milling head 9 to move along a circular track, so as to mill the whole root end face of the wind turbine blade, i.e. the bolt on the root end of the blade, and the milling is realized by the feeding motion of the Y-axis moving mechanism 7 in the Y-axis direction and the rotation motion of the milling head 94 of the milling head 9.

The utility model discloses a motion control of triaxial linkage can no longer need rotatory electrode power supply circular telegram like traditional winding mode, but the power line and signal line all can walk the tow chain and connect in fact, and such benefit is that the signal is stable noiseless, therefore makes whole milling machine safe and reliable.

While the invention has been described with reference to the above embodiments, it will be understood by those skilled in the art that various changes and modifications may be made to the above-described arrangements, including combinations of features disclosed herein either individually or in any combination as is evident from the below disclosure. These variants and/or combinations fall within the technical field of the present invention and are intended to be protected by the following claims.

Claims

1. A three-axis linkage system for a square frame type end face milling machine is characterized by comprising a motion controller and a three-axis linkage device electrically connected with the motion controller, wherein the three-axis linkage device comprises an X-axis beam assembly, a Z-axis moving mechanism, an X-axis moving mechanism and a Y-axis feeding mechanism, the Z-axis moving mechanism is fixed on the rear side of the X-axis beam assembly and is arranged in a manner that the Z-axis can be movably connected to the left side and the right side of a square frame type end face milling machine, the X-axis moving mechanism is arranged in a manner that the X-axis can be movably installed on the front side of the X-axis beam assembly, the Y-axis feeding mechanism is installed on the top of the X-axis beam assembly through the X-axis moving mechanism and is arranged in a manner that the Y-axis can movably support a milling head of the square frame type end face milling machine, and the Z-axis moving mechanism and the X-axis moving mechanism are arranged in a manner that the Y-axis feeding mechanism and the milling head on the Y-axis moving mechanism can be driven under the control of the motion controller to form of a circular motion track matched with the milled end face of a workpiece.

2. The three-axis linkage system for a block face mill as claimed in claim 1, wherein the Z-axis moving mechanism, the X-axis moving mechanism and the Y-axis feeding mechanism are provided with position sensors, and the position sensors are electrically connected to the motion controller.

3. The three-axis linkage system for a block face mill as claimed in claim 2, wherein the Z-axis moving mechanism, the X-axis moving mechanism and the Y-axis feeding mechanism respectively comprise a Z-axis servomotor, an X-axis servomotor and a Y-axis servomotor on which the position sensor is provided, wherein the position sensor is an encoder.

4. The three-axis linkage system for a block face mill of claim 3, wherein the X-axis beam assembly includes an X-axis beam, left and right beam attachment seats mounted on left and right sides of the X-axis beam, and an X-direction slide mounted on top of the X-axis beam.

5. The three-axis linkage system for a block face mill of claim 4, wherein the Z-axis moving mechanism further comprises left and right connecting seats fixedly connected to the left and right beam connecting seats, respectively, a long Z-axis moving shaft rotatably mounted at both ends thereof on the left and right connecting seats, respectively, left and right Z-axis gears mounted on the long Z-axis moving shaft inside the left and right connecting seats, respectively, and left and right Z-axis racks mounted on the left and right sides of the block and adapted to engage the left and right Z-axis gears, respectively, wherein the Z-axis servo motor is mounted on the right connecting seat and drivingly connects the long Z-axis moving shaft, and the left and right connecting seats are each provided with an X-direction open slide and a Y-direction open slide adapted to slidably connect the left and right sides of the block.

6. The three-axis linkage system for a block face mill of claim 5, wherein the Z-axis servomotor is drivingly connected to the Z-axis long movement axis via a Z-axis reducer, and the Z-axis reducer is mounted on an outer side of the right-side connecting base via a reducer connecting base.

7. The three-axis linkage system for a block face mill as claimed in claim 4, wherein the X-axis moving mechanism further comprises an X-axis moving base slidably connected to the X-axis slide rail, an X-axis gear rotatably mounted on the X-axis moving base, and an X-axis rack fixedly mounted on a front side of the X-axis cross beam and engaged with the X-axis gear, wherein a front motor base is provided on a bottom of the X-axis moving base, the X-axis servo motor is mounted on a front side of the front motor base and drivingly connected to the X-axis gear located on a rear side of the front motor base, and the Y-axis feeding mechanism is mounted on a top of the X-axis cross beam assembly via the X-axis moving base.

8. The three-axis linkage system for a block face mill as claimed in claim 7, wherein the Y-axis feed mechanism further includes a Y-axis moving base slidably mounted on the X-axis moving base, the Y-axis servo motor is fixedly mounted on a front side of the X-axis moving base and drivingly connected to the Y-axis moving base, and the milling head is mounted on the Y-axis moving base.

9. The three-axis linkage system of claim 8, wherein the milling head comprises a milling mounting support, a milling power box mounted on the milling mounting support, and a milling head rotatably driven by the milling power box, and wherein a ranging laser head electrically connected to the motion controller is mounted on the milling power box.

10. A block face milling machine comprising a block and a three-axis linkage system for a block face milling machine according to any one of claims 1 to 9.