CN212239993U - Novel precise composite six-axis linkage numerical control machine tool - Google Patents
Novel precise composite six-axis linkage numerical control machine tool Download PDFInfo
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- CN212239993U CN212239993U CN202020465028.3U CN202020465028U CN212239993U CN 212239993 U CN212239993 U CN 212239993U CN 202020465028 U CN202020465028 U CN 202020465028U CN 212239993 U CN212239993 U CN 212239993U
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Abstract
The utility model aims at designing a novel accurate six digit control machine tools that link of compounding, the blade holder is installed on the slide, and the blade holder swings in the vertical plane for the slide, and the lathe bed is provided with the Z axle drive arrangement of drive slide up-and-down motion and along X to, Y to the X axle drive arrangement and the Y axle drive arrangement of motion, the lathe bed on still be equipped with rotatory processing platform, be provided with the centre gripping work piece on the rotatory processing platform and make it gyration and the fixture of location, the centre of gyration of rotatory processing platform and Z to unanimous, fixture's centre of gyration and X are to unanimous. Because Z, X and Y axle drive arrangement's setting, the cutter on the blade holder can move the optional position of operating area, and fixture and rotatory processing platform all can rotate wantonly, realize the rotary motion of work piece, and the blade holder can swing in the vertical plane in addition to realize the processing mode of six-axis linkage, can adapt to the processing of different complicated curved surface structure parts, satisfy the high accuracy processing of work piece.
Description
Technical Field
The utility model relates to a lathe precision finishing technical field, especially a digit control machine tool of six linkages of novel accurate compound.
Background
The highest level of machine tool manufacturing industry is represented by a precision numerical control machine tool with more than five-axis linkage, and the precision numerical control machine tool plays a very important role in industrial production. With the development of the machining in the direction of integration, high speed, high precision and multi-axis linkage, multi-axis numerical control machining has become the mainstream of modern manufacturing technology. The traditional three-axis and four-axis numerical control machine tool is low in processing adaptability, concentrated in working procedures, weak in one-machine multi-purpose function, difficult to machine complex curved surfaces and unstable in quality of processed surfaces.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a multiple functional and high numerical control machine tool of six linkage of novel accurate complex of machining precision.
In order to realize the purpose, the utility model discloses a technical scheme be: the utility model provides a novel six accurate compound linkage digit control machine tools, sets up the blade holder of clamping cutter on the lathe bed, the blade holder is installed on the slide, and the blade holder swings in the vertical plane for the slide, and the lathe bed is provided with the Z axle drive arrangement of drive slide up-and-down motion to and along X to, Y to X axle drive arrangement and the Y axle drive arrangement of motion, the lathe bed on still be equipped with rotatory processing platform, be provided with on the rotatory processing platform and be used for the centre gripping work piece and make it gyration and the fixture of location, the centre of rotation of rotatory processing platform and Z to unanimous, fixture's centre of rotation and X are to unanimous.
In the scheme, due to the arrangement of the Z-axis driving device, the X-axis driving device and the Y-axis driving device, a cutter on the cutter holder can move to any position of an operation area, a workpiece is clamped on the clamping mechanism, the clamping mechanism and the rotary processing platform can rotate randomly to realize the rotary motion of the workpiece, and the cutter holder can swing in a vertical plane, so that a six-axis linkage numerical control processing mode is realized, the numerical control processing device can adapt to the processing of parts with different complex curved surfaces, and the processing precision of the workpiece is high.
Drawings
FIG. 1 is a schematic view of the overall structure of a machine tool;
FIG. 2 is a schematic structural view of a tool post mounted on the tool post;
FIG. 3 is a schematic structural view of the tool holder with an electric spindle mounted thereon;
FIG. 4 is a top view of FIG. 1;
FIG. 5 is a schematic view of a portion of the structure of FIG. 3;
FIG. 6 is a view showing an installation structure of the tool magazine;
fig. 7 is a schematic structural view of the base.
Detailed Description
The present invention is discussed in further detail below in conjunction with fig. 1-7.
A tool apron 20 for clamping a tool is arranged on a lathe bed 10, the tool apron 20 is installed on a sliding seat 31, the tool apron 20 swings in the vertical plane (namely rotates around a B axis in the drawing) relative to the sliding seat 31, the lathe bed 10 is provided with a Z axis driving device for driving the sliding seat 31 to move up and down, an X axis driving device and a Y axis driving device for driving the sliding seat 31 to move in the X direction and the Y direction, the lathe bed 10 is further provided with a rotary processing platform 40, a clamping mechanism 50 for clamping a workpiece and enabling the workpiece to rotate and be positioned is arranged on the rotary processing platform 40, the rotation center (namely, a C axis shown in the drawing) of the rotary processing platform 40 is consistent with the Z direction, and the rotation center (namely, an A axis shown in the drawing) of the clamping mechanism 50 is consistent with the X direction. Due to the arrangement of the Z-axis driving device, the X-axis driving device and the Y-axis driving device, the tool apron 20 can be moved to any position of the operation area, that is, the tool mounted on the tool apron 20 can be moved to any position of the operation area to process the workpiece to be processed; the clamping mechanism 50 and the rotary processing platform 40 can rotate freely to realize the rotary motion of the workpiece, the workpiece to be processed can be processed on the front side and the back side and each part only by clamping once, the error is small, the processing precision is high, and the production efficiency is improved; in addition, under the condition that the workpiece to be machined does not need to be dismounted from the clamping mechanism 50 for multiple times, different tools such as a turning tool, a grinding head, a milling cutter and the like are mounted on the tool apron 20, the workpiece is machined in an all-around mode, errors are small, machining precision is high, and meanwhile production efficiency is improved. The numerical control machine tool in the application adopts a six-axis linkage numerical control machining mode consisting of X, Y, Z three linear shafts and A, B, C three rotating shafts, is high in process integration degree and compounding degree, can adapt to machining of parts with different complex curved surface structures, and can guarantee high machining precision of workpieces.
Further, the Y-axis driving device includes a box 61 provided with two sides of the rotating processing platform 40, the upper end surface of the box 61 is provided with a first linear guide rail 62, the length direction of the first linear guide rail 62 is parallel to the Y direction, the first linear guide rail 62 and the first slider 63 form a sliding fit, two ends of a cross beam 64 are fixedly connected with the first sliders 63 on the two boxes 61 respectively, the cross beam 64 is provided with a second linear guide rail 65, the length direction of the second linear guide rail 65 is parallel to the X direction, the second linear guide rail 65 is provided with a second slider 66, the second slider 66 is provided with a third linear guide rail 67 parallel to the Z direction, and the slide carriage 31 and the third linear guide rail 67 form a sliding fit. The cross beam 64 is arranged above the two housings 61 and acts synchronously with the first slider 63. Therefore, the high bending resistance force of external load heavy load in XYZ direction can be borne, the torsion error between the X axis and the Y axis is reduced, and the rigidity and the precision of the numerical control machine tool during processing are ensured. The three linear guide rails adopt precise rolling guide rails, can bear radial and normal loads, and have the performances of rigid bending resistance and high rigidity.
The tool apron 20 comprises a fixed seat 21 fixed on a sliding seat 31, a rotating seat 22 which forms radial rotation fit and axial limit fit with the fixed seat 21 is arranged in the middle of the fixed seat 21, the end of the rotating seat 22 is connected with a tool rest 23 or an electric spindle tool rest 24 for connection, and a torque motor mechanism drives the rotating seat 22 to swing to drive the tool rest 23 or the electric spindle tool rest 24 to swing in a vertical plane. The swing angle of the rotary base 22 is-170 ° - +170 °. For turning tools the tool holder is shown in fig. 2. For milling cutters, grinding heads and the like, the tool rest is as shown in fig. 3, so that the turning tool rest 23 or the electric spindle rest 24 is replaceably installed on the rotating seat 22 and swings in the vertical plane relative to the sliding seat 31, five-axis or six-axis linkage movement of the numerical control machine tool is realized, machining of different complex parts can be realized, and the numerical control machine tool has the advantages of centralized working procedures, high machining efficiency and extremely small repeated clamping and positioning errors. When necessary (namely when the cutter is a grinding cutter or a milling cutter), the driving mechanism can drive the rotating seat 21 to drive the cutter to swing (-170 degrees to +170 degrees) in the vertical plane, so that the milling cutter or the grinding head can avoid vertex cutting and cutting interference, a cutting point of the cutter is ensured to have certain linear velocity, and the processing precision and the surface roughness of the surface of a workpiece can be effectively improved.
In order to conveniently replace the tools, a protection plate 71 is fixed on the box body 61, the surface of the protection plate 71 is located in a plumb surface, an air cylinder 72 is arranged on the protection plate 71, a tool magazine 73 is arranged above the air cylinder 72, and the air cylinder 72 operates to transfer the tools between the tool magazine 73 and the electric spindle tool rest 24.
Because the tool apron 20 is connected to the slide seat 31, the tool apron 20 is a component for installing a tool, so in order to ensure the stability of the slide seat 31 in the Z-direction movement, the upper end of the second sliding block 66 is connected with the counterweight balance system 32, and through the arrangement of the counterweight balance system 32, the stability of the slide seat 31 in the Z-direction movement is ensured, the influence of gravity is eliminated, so that the stability and the response speed of the spindle head movement are ensured, the safety of a processed workpiece and the tool is effectively protected, and the processing precision of the workpiece is improved.
Further, the clamping mechanism 50 includes a fixed seat 51 fixed on the rotary processing platform 40, a precision three-jaw chuck 52 is provided on the fixed seat 51, and the axis direction of the precision three-jaw chuck 52 is arranged horizontally. The rotary processing platform 40 and the precise three-jaw chuck 52 can rotate at any angle, the rotary motion of a workpiece in the axis direction and the horizontal plane of the three-jaw chuck 52 can be realized during working, the precise three-jaw chuck 52 can provide reliable clamping force to clamp and position the workpiece, meanwhile, the cutting, grinding and other processes of the workpiece can be realized when the precise three-jaw chuck 52 rotates at high speed, different surfaces on the workpiece can be processed when the precise three-jaw chuck 52 drives the workpiece to rotate for a certain angle, and the axis direction of the three-jaw chuck 52 can be adjusted when the rotary processing platform 40 rotates, and the processing processes of inclined holes and the like are carried out on the workpiece; the processing of different surfaces, different angles and different procedures can be realized by one-time clamping.
In order to improve the machining precision, the rotary machining platform 40 is further provided with a tool setting gauge 41 and a precision positioning fixture 42, the precision positioning fixture 42 is respectively installed on two sides of the rotary machining platform 40, and the length direction of the precision positioning fixture 42 is consistent with the axial center direction of the precision three-jaw chuck 52.
Four corner positions of the lower end of the machine body 10 are connected with the base 92 through the air vibration isolation springs 91 to play a role in buffering, the base 92 comprises an upper plate 921 and a lower plate 922 which are arranged at the upper position and the lower position and are mainly used for adjusting the levelness of the base 92 during installation, the upper plate 921 is connected with the air vibration isolation springs 91 through screws, and the side portion of the machine body 10 is further provided with a chip cleaner 93 for discharging chips.
Claims (9)
1. The utility model provides a digit control machine tool of six linkages of novel accurate complex which characterized in that: the lathe bed (10) is provided with a tool apron (20) for clamping a tool, the tool apron (20) is installed on a sliding seat (31), the tool apron (20) swings in the vertical plane relative to the sliding seat (31), the lathe bed (10) is provided with a Z-axis driving device for driving the sliding seat (31) to move up and down, an X-axis driving device and a Y-axis driving device for driving the sliding seat (31) to move in the X direction and the Y direction, the lathe bed (10) is further provided with a rotary processing platform (40), the rotary processing platform (40) is provided with a clamping mechanism (50) for clamping a workpiece and enabling the workpiece to rotate and be positioned, the rotation center of the rotary processing platform (40) is consistent with the Z direction, and the rotation center of the clamping mechanism (50).
2. The novel precise composite six-axis linkage numerical control machine tool according to claim 1, characterized in that: the Y-axis driving device comprises box bodies (61) arranged on two sides of a rotary processing platform (40), wherein first linear guide rails (62) are arranged on the upper end face of each box body (61), the length direction of each first linear guide rail (62) is parallel to the Y direction, each first linear guide rail (62) is in sliding fit with each first sliding block (63), two ends of each cross beam (64) are fixedly connected with the first sliding blocks (63) on the two box bodies (61) respectively, each cross beam (64) is provided with a second linear guide rail (65), the length direction of each second linear guide rail (65) is parallel to the X direction, each second linear guide rail (65) is provided with a second sliding block (66), each second sliding block (66) is provided with a third linear guide rail (67) parallel to the Z direction, and each sliding seat (31) is in sliding fit with the third linear guide rail (67).
3. The novel precise composite six-axis linkage numerical control machine tool according to claim 2, characterized in that: the tool apron (20) comprises a fixed seat (21) fixed on a sliding seat (31), a rotating seat (22) which is in radial rotation fit and axial limiting fit with the fixed seat (21) is arranged in the middle of the fixed seat (21), the end part of the rotating seat (22) is connected with a turning tool holder (23) or an electric spindle tool holder (24), and a torque motor mechanism drives the rotating seat (22) to drive the turning tool holder (23) or the electric spindle tool holder (24) to swing in a vertical plane.
4. The novel precise composite six-axis linkage numerical control machine tool according to claim 3, characterized in that: the swing angle of the rotating seat (22) is-170 degrees to +170 degrees.
5. The novel precise composite six-axis linkage numerical control machine tool according to claim 2, characterized in that: a protection plate (71) is fixed on the box body (61), the surface of the protection plate (71) is located in a plumb surface, an air cylinder (72) is arranged on the protection plate (71), a cutter warehouse (73) is arranged above the air cylinder (72), and the air cylinder (72) acts to transfer a cutter between the cutter warehouse (73) and the electric spindle tool rest (24).
6. The novel precise composite six-axis linkage numerical control machine tool according to claim 2, characterized in that: the upper end of the second sliding block (66) is connected with a counterweight balance system (32).
7. The novel precise composite six-axis linkage numerical control machine tool according to claim 1, characterized in that: the clamping mechanism (50) comprises a fixed seat (51) fixed on the rotary machining platform (40), a precise three-jaw chuck (52) is arranged on the fixed seat (51), and the axis direction of the precise three-jaw chuck (52) is arranged horizontally.
8. The novel precise composite six-axis linkage numerical control machine tool according to claim 7, characterized in that: the rotary machining platform (40) is further provided with a tool setting gauge (41) and a precision positioning clamp (42), the precision positioning clamp (42) is respectively arranged on two sides of the rotary machining platform (40), and the length direction of the precision positioning clamp (42) is consistent with the axis direction of the precision three-jaw chuck (52).
9. The novel precise composite six-axis linkage numerical control machine tool according to claim 1, characterized in that: four corner positions of the lower end of the lathe bed (10) are connected with a base (92) through air vibration isolation springs (91), the base (92) comprises an upper plate, a middle plate and a lower plate (921, 922 and 923) which are arranged at the upper position and the lower position, the upper plate (921) is connected with the air vibration isolation springs (91) through screws, and the side part of the lathe bed (10) is further provided with a chip cleaner (93).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020465028.3U CN212239993U (en) | 2020-04-01 | 2020-04-01 | Novel precise composite six-axis linkage numerical control machine tool |
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| CN202020465028.3U CN212239993U (en) | 2020-04-01 | 2020-04-01 | Novel precise composite six-axis linkage numerical control machine tool |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116475848A (en) * | 2023-06-15 | 2023-07-25 | 湖南元博科技有限公司 | Multi-working-procedure integrated machine tool |
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2020
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116475848A (en) * | 2023-06-15 | 2023-07-25 | 湖南元博科技有限公司 | Multi-working-procedure integrated machine tool |
| CN116475848B (en) * | 2023-06-15 | 2024-06-04 | 湖南楚工数智科技有限公司 | Multi-working-procedure integrated machine tool |
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