LU501606B1

LU501606B1 - Nonmetal moving-beam gantry 5-axis machining center and transport method thereof

Info

Publication number: LU501606B1
Application number: LU501606A
Authority: LU
Inventors: Xinhua Yan; Shoule Zhen; Zhenpeng Chen; Jun Li
Original assignee: Nobot Intelligent Equipment Shandong Co Ltd
Priority date: 2022-03-07
Filing date: 2022-03-07
Publication date: 2022-09-07

Abstract

Provided is a nonmetal moving-beam gantry 5-axis machining center, including a workbench subassembly, a lathe bed subassembly, a gantry subassembly, a Z-axis sliding plate subassembly, a C-axis base subassembly as well as a rotating arm subassembly, which enables dynamic and static switching of water, gas and electricity paths are provided for the equipment by means of a slide ring mechanism, C-axis unlimited forward and reverse rotation is realized, the cutter path is shortened and the machining efficiency is improved.

Description

NONMETAL MOVING-BEAM GANTRY 5-AXIS MACHINING CENTER AND ~~ LV501606

TRANSPORT METHOD THEREOF TECHNICAL FIELD

[01] The present invention relates to the technical field of machining center, and in particular to a nonmetal moving-beam gantry 5-axis machining center and transport method thereof.

BACKGROUND ART

[02] At present, workpieces with a size of 3 mx2 m (LxW) are mostly machined by a fixed-beam gantry 5-axis machining center in the nonmetal 5-axis machining industry.

When a workpiece width exceeds 2 m, an outer width of a machine tool exceeds 3.2 m.

Heavy trucks are about 2.5 m wide. A safety hazard will be posed during a transport when a machine tool exceeds a compartment width, and a center sag may also be caused when a support width of a workbench exceeds 1.1 m, thereby affecting a machining precision.

SUMMARY

[03] The present invention is intended to provide a nonmetal moving-beam gantry 5-axis machining center, which is realized by the following specific technical means:

[04] a nonmetal moving-beam gantry 5-axis machining center includes a workbench subassembly, a lathe bed subassembly, a gantry subassembly, a Z-axis sliding plate subassembly, a C-axis base subassembly and a rotating arm subassembly;

[05] wherein the workbench subassembly includes a workbench support frame, aluminum profiles and adjusting base plates, wherein the adjusting base plates are installed at a bottom of the workbench support frame, and the aluminum profiles are installed above the workbench support frame;

[06] the lathe bed subassembly includes a left lathe bed subassembly and a right lathe bed subassembly are of the same structure and are arranged symmetrically; the left lathe bed subassembly includes a lathe bed frame, lathe bed adjusting base plates, a Y-axis guide rail and a Y-axis rack; the lathe bed adjusting base plates are installed at a bottom of the lathe bed frame; the Y-axis guide rail and Y-axis rack are installed above the lathe bed frames;

[07] the gantry subassembly includes a gantry, an X-axis guide rail, an X-axis rack, gantry slide rests and gantry driving motors;

[08] the gantry slide rests are installed at a bottom of the gantry on both sides; the gantry driving motors are installed on the gantry slide rests; a gear is connected to an output shaft of the gantry driving motor inside each gantry slide rest, and a sliding block is installed close to the gear; the X-axis guide rail and X-axis rack are installed above the gantry;

[09] the gantry is connected to a left lathe bed frame and a right lathe bed frame through the gantry slide rests; the gear inside the gantry slide rest fits with the Y-axis rack; the sliding block fits with the Y-axis guide rail;

[10] the Z-axis sliding plate subassembly includes an X-axis motion slide rest, an 1

X-axis motion driving motor and a Z-axis motion structure; the Z-axis motion structure LU501606 includes a lead screw mounting housing, a Z-axis motion driving motor, a sliding plate body and a lead screw;

[11] the Z-axis motion structure is installed on the gantry through the X-axis motion slide rest, and the X-axis motion driving motor is installed on the X-axis motion slide rest; a gear is connected to an output shaft of the X-axis motion driving motor inside the X-axis motion slide rest, and a sliding block is installed close to the gear; the gear and sliding block inside the X-axis motion slide rest are fit on the X-axis rack and X-axis guide rail respectively;

[12] the Z-axis motion driving motor is installed outside the sliding plate body, and a lead screw is connected to an output shaft of the Z-axis motion driving motor inside the sliding plate body, and the C-axis base subassembly is installed on the sliding plate body through a nut sleeve which is fit on the lead screw, so that the C-axis base subassembly is lifted along the Z-axis; a sliding rail is further arranged on the sliding plate body, the C-axis base subassembly includes a sliding block, and the sliding block is fit on the sliding rail; the C-axis base subassembly further includes a C-axis rotating unit and a C-axis base body; and

[13] the C-axis rotating unit is installed at a bottom of the C-axis base body, and a rotating arm body is installed at a bottom of the C-axis rotating unit by a bolt; an A-axis rotating unit is installed at a lower part of the rotating arm body, and a motorized spindle is installed on the A-axis rotating unit by a bolt.

[14] Preferably, a slip ring mechanism, a C-axis transmission mechanism and a C-axis driving mechanism are arranged inside a housing of the C-axis base body;

[15] the C-axis transmission mechanism is installed at one side of the C-axis driving mechanism, and the slip ring mechanism is installed above the C-axis transmission mechanism; the C-axis driving mechanism includes a bracket, a driving motor, a driving synchronous wheel and a synchronous belt; the driving motor is installed on the bracket, and the driving synchronous wheel is installed on an output shaft of the driving motor; the C-axis transmission mechanism includes a reducer and a driven synchronous wheel; the reducer is installed on the bracket, and the driven synchronous wheel is installed on the reducer; the driven synchronous wheel is connected with the driving synchronous wheel by the synchronous belt; and

[16] the slip ring mechanism includes a stationary ring holder, a flexible retaining shaft, a moving ring holder, a conduit, a moving ring connecting shaft, a stationary ring and a moving ring;

[17] Beneficial effects:

[18] 1. The gantry of the present invention is installed on the gantry slide rests by bolts, which is arranged as a removable device, and is convenient for installation and removal; and an overall width can be reduced greatly after the gantry is removed, which facilitates transport without an over-width hazard.

[19] 2. The workbench support frame of the present invention is a frame structure, and a plurality of adjusting base plates are distributed in an array form on the bottom of the workbench support frame, so that a support effect is improved and a support force becomes more balanced, thereby effectively preventing a deformation of the 2 workbench. LU501606

[20] 3. A plurality of aluminum profiles of the present invention are installed in a linear array form above the workbench support frame, and the aluminum profiles are parallel to the gantry, which facilitates installation and fixation of workpieces, ensures an excellent support effect and a strong carrying capacity, and improves a structural strength of the workbench support frame, thereby avoiding bending and deformation.

[21] 4. The gantry of the present invention can move along the Y-axis relative to the lathe bed subassembly, the Z-axis sliding plate subassembly can move along the X-axis relative to the gantry, and the C-axis base subassembly can move up and down on the Z-axis relative to the Z-axis sliding plate subassembly; at the same time, the rotating arm subassembly can be rotated along the C-axis direction, and the motorized spindle can be rotated along the A-axis direction, thereby realizing forward and backward movement, left and right movement, up and down movement, horizontal rotation, and up and down rotation. The workpieces are easily machined with a strong flexibility.

[22] 5. The improved nonmetal moving-beam gantry 5-axis machining center of the present invention has advantages of reasonable structural design, easy installation and removal, greatly shortened overall width after removal without an ultrawide hazard during a transport, good support effect, more balanced support force, and effective prevention of workbench deformation. Moreover, with the C-axis base body structure provided by the present invention, it can be realized that dynamic and static switching of water, gas and electricity paths are provided for the equipment through the slip ring mechanism, C-axis unlimited forward and reverse rotation is realized, a cutter path is shortened and a machining efficiency is improved.

BRIEF DESCRIPTION OF THE DRAWINGS

[23] FIG. 1 is a structure view of the present invention;

[24] FIG. 2 is a back structure view of the present invention;

[25] FIG. 3 is a bottom structure view of the present invention;

[26] FIG. 4 is an enlarged structure view of point A of the present invention;

[27] FIG. 5 is an enlarged structure view of point B of the present invention;

[28] FIG. 6 is an enlarged structure view of point C of the present invention;

[29] FIG. 7 is a structure view of example 2 of the present invention;

[30] FIG. 8 is a structure view of example 3 of the present invention;

[31] FIG 9 is an internal structure view of a C-axis base body of the present invention;

[32] FIG. 10 is a structure view of a slip ring mechanism in example 4 of the present invention;

[33] FIG 11 is a structure view of a C-axis driving mechanism in example 4 of the present invention;

[34] FIG. 12 is an internal sectional structure view of a C-axis base body of the present invention.

[35] In the figures: 1 - workbench support frame, 2 - aluminum profile, 3 - adjusting base plate, 4 - left lathe bed frame, 4.1 - enclosure, 4.2 - first organ cover, 5 - lathe bed adjusting base plate, 6 - Y-axis guide rail, 7 - Y-axis rack, 8 - gantry, 8.1 - closure plate, 3

8.2 - second organ cover, 9 - X-axis guide rail, 10 - X-axis rack, 101 - stationary ring LU501606 holder, 102 - flexible retaining shaft, 103 - moving ring holder, 104 - conduit, 105 - moving ring connecting shaft, 106 - stationary ring, 107 - moving ring, 11 - sliding plate body, 12 - Z-axis motion structure, 12.1 - sliding rail, 12.2 - Z-axis motion driving motor, 12.3 - lead screw, 13 - C-axis base body, 13.1 - slip ring mechanism, 13.2 - C-axis transmission mechanism, 13.3 - C-axis driving mechanism, 14 - C-axis rotating unit, 15 - rotating arm body, 16 - A-axis rotating unit, 17 - motorized spindle, 18 - right lathe bed frame, 19 - gantry slide rest, 19.1 - dust cover, 20 - gantry driving motor, 201 - reducer, 202 - driven synchronous wheel, 21 - X-axis motion slide rest, 22 - X-axis motion driving motor, 23 - cylinder, 301 - bracket, 302 - driving motor, 303 - driving synchronous wheel, 304 - synchronous belt.

DETAILED DESCRIPTION OF THE EMBODIMENTS

[36] Example 1

[37] As shown in the drawings, a nonmetal moving-beam gantry 5-axis machining center includes a workbench subassembly, a lathe bed subassembly, a gantry subassembly, a Z-axis sliding plate subassembly, a C-axis base subassembly and a rotating arm subassembly;

[38] wherein the workbench subassembly includes a workbench support frame 1, aluminum profiles 2 and adjusting base plates 3, wherein the adjusting base plates 3 are installed at a bottom of the workbench support frame 1, and the adjusting base plates 3 are fixed to the workbench support frame 1 by bolts; the aluminum profiles 2 are installed above the workbench support frame 1, and the aluminum profiles 2 are fixed to the workbench support frame 1 by bolts; and

[39] the workbench support frame 1 is a frame structure, and a plurality of adjusting base plates 3 are installed at the bottom of the workbench support frame 1, so that a support effect is improved and a support force becomes more balanced, thereby effectively preventing deformation of the workbench. The aluminum profiles 2 are fixed above the workbench support frame 1, and the aluminum profiles 2 are parallel to the gantry 8, which facilitates installation and fixation of workpieces, ensures an excellent support effect and a strong carrying capacity, and improves a structural strength of the workbench support frame, thereby avoiding bending and deformation.

[40] Inside the lathe bed subassembly, a left lathe bed subassembly and a right lathe bed subassembly are of the same structure and are arranged symmetrically; lathe bed adjusting base plates 5 are installed at a bottom of a left lathe bed frame 4 and a right lathe bed frame 18 by bolts; the Y-axis guide rail 6 and the Y-axis rack 7 are installed above the left lathe bed frame 4 and the right lathe bed frame 18, and the Y-axis guide rail 6 and the Y-axis rack 7 are fixed to the left lathe bed frame 4 and the right lathe bed frame 18 by bolts;

[41] the gantry subassembly includes a gantry 8, an X-axis guide rail 9, an X-axis rack 10, gantry slide rests 19 and gantry driving motors 20;

[42] the gantry slide rests 19 are installed at a bottom of the gantry 8 on both sides, and fixed to the gantry 8 by bolts, as shown in FIG. 1, so that the installation and removal are easy, and an overall width can be reduced greatly after the gantry is 4 removed, which facilitates transport without an over-width hazard; the gantry driving LU501606 motors 20 are installed on the gantry slide rest 19 by bolts; a gear is connected to an output shaft of the gantry driving motor 20 inside each gantry slide rest 19, and a sliding block is installed close to the gear; the X-axis guide rail 9 and the X-axis rack 10 are installed above the gantry 8 and fixed to the gantry 8 by bolts;

[43] the left lathe bed frame 4 is installed below one side of the gantry 8, the right lathe bed frame 18 is installed below the other side of the gantry 8, and the gantry 8 is connected with the left lathe bed frame 4 and the right lathe bed frame 18 by the gantry slide rests 19; the gear inside each gantry slide rest 19 is fit with the Y-axis rack 7; the sliding block is fit with the Y-axis guide rail 6, so that the gantry 8 can slide in the X-axis direction;

[44] the Z-axis sliding plate subassembly includes an X-axis motion slide rest 21, an X-axis motion driving motor 22 and a Z-axis motion structure 12; the Z-axis motion structure 12 includes a sliding plate body 11, a Z-axis motion driving motor 12.2 and a lead screw 12.3;

[45] the Z-axis motion structure 12 is installed on the gantry 8 through the X-axis motion slide rest 21, and the X-axis motion driving motor 22 is installed on the X-axis motion slide rest 21; a gear is connected to an output shaft of the X-axis motion driving motor 22 inside the X-axis motion slide rest 21, and a sliding block is installed close to the gear; the gear and the sliding block inside the X-axis motion slide rest 21 are fit on the X-axis rack 10 and the X-axis guide rail 9 respectively, so that the Z-axis motion structure 12 moves in the X-axis direction; and

[46] the Z-axis motion driving motor 12.2 is installed outside the sliding plate body 11, and the lead screw 12.3 is connected to an output shaft of the Z-axis motion driving motor 12.2 inside the sliding plate body 11, and the C-axis base subassembly is installed on the sliding plate body 11 through a nut sleeve which is fit on the lead screw 12.3, so that the C-axis base subassembly is fit on the Z-axis; a sliding rail 12.1 is further arranged on the sliding plate body 11, the C-axis base subassembly includes a sliding block, and the sliding block is fit on the sliding rail 12.1.

[47] The C-axis rotating unit 14 is installed at a bottom of the C-axis base body 13, and a rotating arm body 15 is installed at a bottom of the C-axis rotating unit 14 by a bolt, so that the C-axis rotating unit 14 drives the rotating arm body 15 to rotate along the C-axis direction; an A-axis rotating unit 16 is installed at a lower part of the rotating arm body 15, and a motorized spindle 17 is installed on the A-axis rotating unit 16 by a bolt, so that the A-axis rotating unit 16 drives the motorized spindle 17 to rotates along the A-axis direction.

[48] Example 2

[49] Based on example 1, an enclosure 4.1 and a first organ cover 4.2 are fixed at each end of the lathe bed frame respectively, so that the Y-axis guide rail 6 and the Y-axis rack 7 are enclosed therein; a closure plate 8.1 and a second organ cover 8.2 are fixed at each end of the gantry respectively, so that the X-axis guide rail 9 and the X-axis rack 10 are enclosed therein; a dust cover 19.1 is fixed to each gantry slide rest

19.

[50] Example 3

[51] Based on example 1, a cylinder 23 is arranged at each side of the sliding plate LU501606 body 11, and an action end of the cylinder 23 is connected to the C-axis base subassembly to assist movement of the C-axis base subassembly in the Z-axis.

[52] Example 4

[53] In example 1, a slip ring mechanism 13.1, a C-axis transmission mechanism

13.2 and a C-axis driving mechanism 13.3 are arranged inside a housing of the C-axis base body 13;

[54] the C-axis transmission mechanism 13.2 is installed at one side of the C-axis driving mechanism 13.3, and the slip ring mechanism 13.1 is installed above the C-axis transmission mechanism 13.2;

[55] the C-axis driving mechanism 13.3 includes a bracket 301, a driving motor 302, a driving synchronous wheel 303 and a synchronous belt 304; the driving motor 302 is installed at a top end of the bracket 301 by a bolt, and the driving synchronous wheel 303 is installed on an output shaft of the driving motor 302; the C-axis transmission mechanism 2 includes a reducer 201 and a driven synchronous wheel 202; the reducer 201 is embedded into the bracket 301, and the driven synchronous wheel 202 is installed at a top end of the reducer 201; the driven synchronous wheel 202 is connected to the driving synchronous wheel 303 by means of the synchronous belt 304;

[56] the slip ring mechanism 1 includes a stationary ring holder 101, a flexible retaining shaft 102, a moving ring holder 103, a conduit 104, a moving ring connecting shaft 105, a stationary ring 106 and a moving ring 107; and

[57] the stationary ring holder 101 is structured as follows: an upper end is a semicircular retaining ring, a lower end is a circular retaining ring, and the two rings are fixed by retaining links.

[58] The circular retaining ring is installed above the reducer 201 by bolts; the flexible retaining shaft 102 is inserted into an outer wall of the stationary ring 106 on both sides after being fixed above the semicircular retaining ring, and the stationary ring 106 is installed inside the semicircular retaining ring; the moving ring 107 is connected to a bottom of the stationary ring 106, and the moving ring 107 is locked by means of bolts and connected to the moving ring holder 103; a top end of the moving ring connecting shaft 105 is fixed to the moving ring holder 103 by screws, and the conduit 104 is fixed inside the moving ring connecting shaft 105 by means of a lock sleeve;

[59] flexible insertion of the flexible retaining shaft 102 into the conduit 104 ensures a rotary concentricity of the stationary ring 106; flexible installation of the flexible retaining shaft 102 can reduce a radial force of the stationary ring 106 between the stationary ring holder 101 and the moving ring holder 103, and ensure the stationary ring 106 is not affected by a torque during rotation, thereby prolonging a service life of the stationary ring. C-axis unlimited rotation is realized through delicate slip ring structure, an empty cutter path is reduced and a cutting efficiency is improved; and

[60] the bracket 301 is connected to the C-axis rotating unit 14, thereby driving the rotating arm body 15 to rotate on the C-axis.

[61] With the C-axis base body structure in example 1 used, C-axis unlimited forward and reverse rotation can be realized.

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Claims

WHAT IS CLAIMED IS: LUS01606 I. A nonmetal moving-beam gantry 5-axis machining center, comprising a workbench subassembly, a lathe bed subassembly, a gantry subassembly, a Z-axis sliding plate subassembly, a C-axis base subassembly and a rotating arm subassembly; wherein the workbench subassembly comprises a workbench support frame, aluminum profiles and adjusting base plates, wherein the adjusting base plates are installed at a bottom of the workbench support frame, and the aluminum profiles are installed above the workbench support frame; the lathe bed subassembly comprises a left lathe bed subassembly and a right lathe bed subassembly of the same structure and are arranged symmetrically; the left lathe bed subassembly comprises a lathe bed frame, lathe bed adjusting base plates, a Y-axis guide rail and a Y-axis rack; the lathe bed adjusting base plates are installed at a bottom of the lathe bed frame; the Y-axis guide rail and Y-axis rack are installed above the lathe bed frames; the gantry subassembly comprises a gantry, an X-axis guide rail, an X-axis rack, gantry slide rests and gantry driving motors; the gantry slide rests are installed at a bottom of the gantry on both sides; the gantry driving motors are installed on the gantry slide rests; a gear is connected to an output shaft of the gantry driving motor inside each gantry slide rest, and a sliding block is installed close to the gear; the X-axis guide rail and X-axis rack are installed above the gantry; the Z-axis sliding plate subassembly comprises an X-axis motion slide rest, an X-axis motion driving motor and a Z-axis motion structure; the Z-axis motion structure comprises a lead screw mounting housing, a Z-axis motion driving motor, a sliding plate body and a lead screw; the Z-axis motion structure is installed on the gantry by means of the X-axis motion slide rest, and the X-axis motion driving motor is installed on the X-axis motion slide rest; a gear is connected to an output shaft of the X-axis motion driving motor inside the X-axis motion slide rest, and a sliding block is installed close to the gear; and a C-axis rotating unit is installed at a bottom of a C-axis base body, and a rotating arm body is installed at a bottom of the C-axis rotating unit by a bolt; an A-axis rotating unit is installed at a lower part of the rotating arm body, and a motorized spindle is installed on the A-axis rotating unit by means of a bolt.

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