Double-spindle double-five-axis linkage vertical-horizontal conversion machining tool

Abstract

The utility model relates to a double-spindle double-five-axis linkage vertical-horizontal conversion machining machine tool, belongs to the technical field of machining equipment, and solves the problem that in the prior art, when a conventional five-axis machining machine tool is used for machining parts with complex curved surfaces and the like, the machining precision is reduced due to the fact that workpieces are clamped repeatedly. The double-spindle double-five-axis linkage vertical-horizontal conversion machining tool comprises a tool body frame, a rotary workbench, two five-axis movement assemblies and two machine tool spindles. The bed body frame is provided with a track mounting rack; the two five-axis movement assemblies are arranged on the two symmetrical side faces of the track mounting frame correspondingly and move on the track mounting frame along the Y axis. The five-axis movement assembly comprises a C-axis rotating part and a B-axis rotating part; the B-axis rotating component is mounted at the end part of the C-axis rotating component at an included angle of 45 degrees; a machine tool spindle is arranged at the end of the B-axis rotating component at an included angle of 45 degrees and used for switching the parallel state or the vertical state of the machine tool spindle. And synchronous or asynchronous milling machining of a to-be-machined workpiece in a vertical or horizontal manner by the double-side main shaft can be met.

Description

TECHNICAL FIELD

[0001] The utility model belongs to processing equipment technical field, concretely relates to a double main shaft double five axis linkage vertical and horizontal conversion processing machine tool. BACKGROUND

[0002] Five-axis linkage processing machine tool, also known as five-axis machining machine tool, is a kind of special processing equipment with high technology content and high precision, is used to process complex curved surface, is the key means to solve the processing demand of impeller, blade, marine propeller, heavy generator rotor, steam turbine rotor, large diesel engine crankshaft etc. Currently, the five-axis linkage processing machine tool on the market is generally divided into vertical and horizontal two kinds, it is difficult to meet the requirement that workpiece can be processed in full process by one clamping, and workpiece multiple clamping is prone to reduce machining precision. And it is usually single main shaft single five-axis machining machine tool, and it is difficult to efficiently process small-batch long processing time parts. CONTENT OF UTILITY MODEL

[0003] In view of above problem, the utility model provides a double main shaft double five axis linkage vertical and horizontal conversion processing machine tool. Two vertical and horizontal conversion main shafts can process parts simultaneously, solve the problem of reducing machining precision caused by multiple clamping of workpiece when conventional five-axis machining machine tool in prior art processes complex curved surface parts, can improve part processing production efficiency and reduce processing cost on the basis of ensuring part processing quality.

[0004] The utility model provides a double main shaft double five axis linkage vertical and horizontal conversion processing machine tool, including bed body frame, rotating workbench, 2 groups of five axis movement components and 2 machine tool main shafts;

[0005] The bed body frame is provided with track mounting frame, and two groups of five-axis movement components are respectively arranged on the two symmetrical side surfaces of the track mounting frame and move along the Y-axis on the track mounting frame;

[0006] The five-axis movement component includes C-axis rotating part and B-axis rotating part;

[0007] The B-axis rotating part is installed at the end of the C-axis rotating part at an angle of 45 degrees, and the machine tool main shaft is arranged at the end of the B-axis rotating part at an angle of 45 degrees, and the machining tool is arranged at the end of the machine tool main shaft to switch the parallel or vertical state of the machine tool main shaft.

[0008] Optionally, the bed body frame adopts a four-gate closed overall frame structure.

[0009] Optionally, the five-axis movement component further includes Y-axis movement part, X-axis guide rail, X-axis movement part, Z-axis guide rail and Z-axis movement part.

[0010] Optionally, the track mounting frame comprises a first side and a second side; the processing platform is arranged between the first side and the second side; Y-axis guide rails are arranged on the first side and the second side; a group of five-axis motion assemblies are arranged on the Y-axis guide rail of the first side; another group of five-axis motion assemblies are arranged on the Y-axis guide rail of the second side.

[0011] Optionally, the Y-axis motion component is arranged on the Y-axis guide rail of the same side through sliding of a sliding block and slides on the Y-axis guide rail.

[0012] Optionally, an X-axis guide rail is arranged in the Y-axis motion component, and the X-axis motion component is arranged on the X-axis guide rail through sliding of a sliding block and slides on the X-axis guide rail.

[0013] Optionally, a Z-axis guide rail is arranged in the X-axis motion component, and the Z-axis motion component is arranged on the Z-axis guide rail through sliding of a sliding block and slides on the Z-axis guide rail.

[0014] Optionally, the Y-axis motion component, the X-axis motion component, the Z-axis motion component, the C-axis rotation component, the B-axis rotation component and the machine tool spindle are driven by motors.

[0015] Optionally, the X-axis motion component adopts a box-in-box structure.

[0016] Compared with the prior art, the utility model has at least the following beneficial effects: the motion provided by the each direction feeding mechanism for the machine tool spindle along the X, Y and Z three linear coordinate axis directions and the motion of the C and the B two rotation coordinate axis directions installed at a 45° angle with the C can satisfy synchronous or asynchronous milling of the machine tool double-side spindle to the workpiece in a vertical or horizontal type.

[0017] The machine tool adopts a vertical-horizontal conversion spindle, can mill the workpiece in a vertical or horizontal type, realizes one-time clamping full-process processing of the workpiece, avoids the problem of reduced processing precision caused by multiple clamping of the workpiece. The machine tool adopts a fully-enclosed symmetrical structure, has the structural characteristics of high rigidity and high stability, simultaneously, through a numerical control processing program, the two-side spindle can mill the workpiece in a symmetrical synchronous mode, can effectively improve the stress characteristics of the processing process, improves the processing quality and processing efficiency of the workpiece. The utility model not only can be used for rough machining, but especially is suitable for finish machining, can greatly improve the part production and processing efficiency, the processing efficiency is improved by more than 50%, can significantly improve the economic benefit. BRIEF DESCRIPTION OF DRAWINGS

[0018] The drawings are only used for the purpose of showing the specific embodiments and are not considered as limiting the utility model.

[0019] Figure 1 It is the front view of the processing machine tool of the utility model;

[0020] Figure 2The utility model discloses a top view of processing machine tool.

[0021] Figure 3 The utility model discloses a side view of processing machine tool. DETAILED DESCRIPTION

[0022] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described in detail below in combination with the drawings and specific embodiments. It should be explained that the embodiments of the utility model and the features in the embodiments can be combined mutually in the case of no conflict. In addition, the utility model can also be implemented in other ways different from the description here, therefore, the protection scope of the utility model is not limited by the specific embodiments disclosed below.

[0023] One specific embodiment of the utility model discloses a kind of double spindle double five-axis linkage high-speed high-efficiency vertical-horizontal conversion processing machine tool, including bed frame 1, rotating workbench 2, 2 groups of five-axis movement components and 2 machine tool spindles 9-1 and 9-2; Figures 1-3

[0024] Bed frame 1 includes processing platform and track mounting bracket;Track mounting bracket includes first side and second side;Processing platform is arranged between first side and second side, and first side and second side are perpendicular to processing platform;First side and second side are both installed with 4 Y-axis guides 12-1, 12-2, 12-3 and 12-4, which are left-right symmetrical two groups, on installation hole, and 4 Y-axis guides 12-1, 12-2, 12-3 and 12-4 are all perpendicular to processing platform.

[0025] Rotating workbench 2 is arranged at the center of processing platform, and when using, the workpiece 3 to be processed is installed on rotating workbench 2 by clamp;

[0026] Further, five-axis movement component includes Y-axis movement part 4-1 and 4-2, X-axis guide 13-1, X-axis movement part 5-1 and 5-2, Z-axis guide 14-1 and 14-2, Z-axis movement part 6-1 and 6-2, C-axis rotating part 7-1 and 7-2 and B-axis rotating part 8-1 and 8-2.

[0027] One group of five-axis movement components is arranged on two groups of Y-axis guides 12-1 and 12-2 of first side;Another group of five-axis movement components is arranged on two groups of Y-axis guides 12-3 and 12-4 of second side, and two groups of five-axis movement components are not described here.

[0028] Taking one group of five-axis movement components as an example:

[0029] ​Two ends of the Y-axis moving part 4-1 are respectively arranged on the left and right two groups of Y-axis guide rails 12-1 through sliding blocks, and slide on the Y-axis guide rails 12-1 and 12-2;

[0030] Preferably, referring to the attached Figure 1 Two groups of linear motors are used for driving.

[0031] Four X-axis guide rails 13-1 are arranged in the Y-axis moving part 4-1 through mounting holes, and the upper and lower sides of the X-axis moving part 5-1 are respectively arranged on the upper and lower two groups of X-axis guide rails through sliding blocks;

[0032] Preferably, referring to the attached Figure 1 Two groups of linear motors are used for driving.

[0033] Four Z-axis guide rails 14-1 and 14-2 are arranged in the X-axis moving part 5-1 through mounting holes, and the left and right sides of the Z-axis moving part 6-1 are respectively arranged on the left and right two groups of Z-axis guide rails 14-1 and 14-2 through sliding blocks;

[0034] Preferably, referring to the attached Figure 1 Two groups of linear motors are used for driving.

[0035] A C-axis rotating part 7-1 is arranged at the end of the Z-axis moving part 6-1 close to the rotating workbench 2, the C-axis rotating part 7-1 rotates around the axis of the Z-axis moving part 6-1 as the rotation center, and the rotation around the Z-axis is realized through a torque motor driving structure;

[0036] A B-axis rotating part 8-1 is arranged at the end of the C-axis rotating part 7-1 at a 45° angle, so that the rotation center of the B-axis rotating part 8-1 forms a 45° angle with the axis of the Z-axis moving part 6-1, and the rotation is realized through a torque motor driving;

[0037] A machine tool spindle 9-1 is arranged at the end of the B-axis rotating part 8-1 at a 45° angle, so that the axis of the machine tool spindle 9-1 forms a 45° angle with the rotation center of the B-axis rotating part 8-1;

[0038] Further, through the rotation of the C-axis rotating part 7-1 and the B-axis rotating part 8-1, the switching between the parallel state and the vertical state of the machine tool spindle 9-1 and the axis of the Z-axis moving part 6-1 can be realized;

[0039] The end of the machine tool spindle 9-1 is provided with machining tools 10-1 and 10-2 for machining the workpiece 3 to be machined.

[0040] Further, the numerical control device 11 is further included, the machine tool frame 1 is electrically connected with the numerical control device 11, the numerical control device 11 is used to input control numerical control program and controls two groups of five-axis motion assemblies respectively, realizes that machine tool main shaft 9-1 and 9-2 arranged in the machine tool double sides respectively process the machining operation of workpiece 3 to be processed.

[0041] Preferably, the numerical control device 11 adopts a double-channel control mode, controls the five-axis motion device on both sides respectively, and utilizes the rotary table 2 to carry out indexing control, so as to realize the double-side 6-axis 5-linkage of the workpiece 3 to be processed, and carry out synchronous or asynchronous milling.

[0042] Preferably, the bed frame adopts a four-gantry closed overall frame structure, has high rigidity and high stability, and the five-axis motion assemblies installed on both sides of the bed frame structure adopt the same structure.

[0043] The double-main-shaft double-five-axis linkage high-speed efficient vertical-horizontal conversion machining tool provided by the utility model can realize synchronous or asynchronous milling of the workpiece to be processed by the double main shaft in a vertical or horizontal mode. Figure 1 As shown in the figure, the workpiece to be processed 3 is fixed on the rotary table 2 by a clamp, the machine tool main shaft 9-1 and 9-2 realize linear motion in the X, Y and Z axes of the machine tool and rotary motion around the rotary center of the Z axis and 45° B axis by the X, Y and Z axial motion devices and C and B axis rotary components of the machine tool, and can process the workpiece to be processed 3 in a vertical or horizontal mode. The numerical control device 11 controls the numerical control machining program to realize the double-five-axis linkage motion of the machine tool, and further realizes synchronous or asynchronous milling of the workpiece to be processed 3 by the double main shaft of the machine tool in a vertical or horizontal mode.

[0044] The above is only the preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A dual-spindle dual-five-axis gang tool lathe-turning-milling machine tool, characterized by, The machine tool comprises a bed frame, a rotary worktable, two groups of five-axis motion assemblies and two machine tool spindles. The bed frame is provided with a rail mounting frame, and the two groups of five-axis motion assemblies are symmetrically arranged on two side surfaces of the rail mounting frame and move along the Y axis on the rail mounting frame. The five-axis motion assembly comprises a C-axis rotating part and a B-axis rotating part. The B-axis rotating part is arranged at an angle of 45 degrees at the end of the C-axis rotating part, and the machine tool spindle is arranged at an angle of 45 degrees at the end of the B-axis rotating part.

2. The machine tool according to claim 1, characterized in that, The bed frame adopts a four-gate closed integral frame structure.

3. The machine tool according to claim 1, characterized in that, The five-axis motion assembly further comprises a Y-axis motion part, an X-axis guide rail, an X-axis motion part, a Z-axis guide rail and a Z-axis motion part.

4. The machine tool of claim 1 wherein, The rail mounting frame comprises a first side surface and a second side surface, and a machining platform is arranged between the first side surface and the second side surface.

5. The machine tool of claim 3, wherein The Y-axis guide rails are arranged on the first side surface and the second side surface.

6. The machine tool of claim 3, wherein One group of five-axis motion assemblies is arranged on the Y-axis guide rail of the first side surface, and the other group of five-axis motion assemblies is arranged on the Y-axis guide rail of the second side surface.

7. The machine tool of claim 3, wherein The Y-axis motion part is slidably arranged on the Y-axis guide rail of the same side surface by a sliding block and slides on the Y-axis guide rail.

8. The machine tool of claim 2, wherein The X-axis guide rail is arranged in the Y-axis motion part, and the X-axis motion part is slidably arranged on the X-axis guide rail by a sliding block and slides on the X-axis guide rail.

9. A machine tool according to any one of claims 1-8, characterised in that The Z-axis guide rail is arranged in the X-axis motion part, and the Z-axis motion part is slidably arranged on the Z-axis guide rail by a sliding block and slides on the Z-axis guide rail. The Y-axis motion part, the X-axis motion part, the Z-axis motion part, the C-axis rotating part, the B-axis rotating part and the machine tool spindle are all driven by motors. The X-axis motion part adopts a box-in-box structure.

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