CN214685223U - Multi-axis numerical control machine tool - Google Patents
Multi-axis numerical control machine tool Download PDFInfo
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- CN214685223U CN214685223U CN202120951585.0U CN202120951585U CN214685223U CN 214685223 U CN214685223 U CN 214685223U CN 202120951585 U CN202120951585 U CN 202120951585U CN 214685223 U CN214685223 U CN 214685223U
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Abstract
The utility model belongs to the numerical control processing field, in particular to multiaxis digit control machine tool. The multi-axis numerical control machine tool is compact in structure, high in space utilization rate, small in occupied area, light in weight, high in tool changing efficiency and small in linear shaft linkage range, and high-precision and high-efficiency machining of small-sized precise complex products is achieved. The tool magazine comprises a lathe bed, a stand column, a cross beam, a tool magazine and a cantilever turntable, wherein the cross beam and the stand column form a gantry structure which is arranged at the rear end of the lathe bed; the tool magazine and the cantilever rotary table are both arranged on the lathe bed; the cantilever turntable is positioned in front of the beam and can move back and forth along the bed body; the tool magazine is arranged below the cross beam and can be pushed out from the lower part of the cross beam.
Description
Technical Field
The utility model belongs to the numerical control processing field, in particular to multiaxis digit control machine tool.
Background
A lot of typical industries widely exist in the market, the characteristics of products are small, precise and complex, such as small-sized precise core molds, watch cases, movement, dental implant bases, precious metal jewelry and the like, and the products have high requirements on processing precision, surface effect and processing efficiency, high processing difficulty and severe requirements on the occupied area and weight of processing equipment. The existing miniaturized processing equipment has the problems of poor rigidity, low processing precision and the like, and mainly adopts a three-axis numerical control machine tool, so that the high-precision and high-efficiency processing of complex products is difficult to realize; although the multi-axis numerical control machine tool can realize high-precision machining of complex products, the existing multi-axis numerical control machine tool is generally heavy, has the problems of large occupied area, low space utilization rate, incapability of going upstairs and the like, and is difficult to meet the requirements of the products on the floor area and the application field of machining equipment; in addition, the existing multi-axis machining equipment is influenced by the structural layout, and has the problems of low tool changing efficiency, large linear shaft linkage range and the like, so that the improvement of the machining efficiency is influenced.
Disclosure of Invention
An object of the utility model is to overcome prior art not enough, provide a compact structure, space utilization height, area are little, light in weight, tool changing efficiency is high, the little multiaxis digit control machine tool of sharp axle linkage range, can realize the high accuracy high efficiency processing of small-size accurate complicated product.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme: a multi-axis numerical control machine tool comprises a machine body, a stand column, a cross beam, a tool magazine and a cantilever turntable, wherein the cross beam and the stand column form a gantry structure which is arranged at the rear end of the machine body; the tool magazine and the cantilever rotary table are both arranged on the lathe bed; the cantilever turntable is positioned in front of the beam and can move back and forth along the bed body; the tool magazine is arranged below the cross beam and can be pushed out from the lower part of the cross beam.
According to the multi-axis numerical control machine tool, the cantilever turntable is a single-axis turntable and comprises a swinging unit and a workbench, the workbench is mounted at the output end of the swinging unit and can rotate around a swinging axis under the driving of the swinging unit, a workpiece is mounted on the workbench, and the intersection point of the swinging axis of the swinging unit and the vertical central line of the workbench is located in the workpiece machining range;
or, the cantilever turntable is a double-shaft turntable and comprises a swinging unit, a rotating unit and a workbench, the rotating unit is arranged on the swinging unit, the workbench is arranged on the rotating unit, on one hand, the workbench rotates under the driving of the rotating unit, on the other hand, the workbench swings around the swinging axis of the swinging unit along with the rotating unit, on the one hand, the workpiece is arranged on the workbench, and the intersection point of the swinging axis of the swinging unit and the rotating axis of the rotating unit is positioned in the workpiece processing range.
According to the multi-shaft numerical control machine tool, the tool magazine is a direct-taking type chain type tool magazine and comprises a tool magazine support, an annular guide device, a tool magazine chain, a tool clamping device and a tool magazine push-out and return device, wherein the annular guide device is mounted on the tool magazine support, and the tool magazine chain acts on the annular guide device and can rotate along the annular guide device; a plurality of cutter clamping devices are arranged on the tool magazine chain; the tool magazine support is arranged on the tool magazine push-out and return device and can be pushed out and returned under the driving of the tool magazine push-out and return device.
Above-mentioned multiaxis digit control machine tool, the tool magazine still includes two tool magazine doors, articulates respectively on two stands to link through connecting rod and tool magazine support hookup respectively, when the tool magazine support is pushed out, the tool magazine door is outwards opened, and when the tool magazine support withdraws, the tool magazine door is closed.
According to the multi-axis numerical control machine tool, the tool magazine push-out and return device comprises a tool magazine mounting plate, a linear guide rail, a mobile driving device and a support cushion block, wherein the tool magazine mounting plate is mounted on a machine tool body, the linear guide rail and the mobile driving device are mounted on the tool magazine mounting plate, and the support cushion block acts on the linear guide rail in a sliding manner, is connected with the mobile driving device and can move along the linear guide rail under the action of the mobile driving device; the tool magazine support is fixedly arranged on the support cushion block.
In the multi-axis numerical control machine tool, the movement driving device can be driven by an air cylinder or a motor.
According to the multi-axis numerical control machine tool, a Y-direction guide rail is arranged on one side of the machine body, and the cantilever rotary table acts on the Y-direction guide rail in a sliding manner and can move back and forth along the Y-direction guide rail; the machine head assembly is arranged on the cross beam and is slidably mounted on the cross beam and can move left and right along the X-axis direction; the head assembly comprises a main shaft which can move up and down along the Z-axis direction.
In the multi-shaft numerical control machine tool, one side of the machine tool body opposite to the Y-direction guide rail is provided with the chip removal port, and the cutting fluid tank is arranged below the chip removal port.
Compared with the prior art, the beneficial effects of the utility model reside in that:
1. by adopting the layout structure of the side of the rotary table and the lower part of the tool magazine beam, the height and span of the beam are greatly reduced, the overall width size of the machine tool is reduced, and the dynamic and static rigidity of the machine tool is improved; the machine tool has compact integral structure, high space utilization rate and small occupied area;
2. by adopting the design of processing the turntable near the axis center, not only can the processing geometric error caused by the positioning deviation of the turntable be reduced, but also the linkage range of the linear axis is greatly reduced, and the multi-axis linkage efficiency is improved;
3. the arrangement under the cross beam of the tool magazine and the design of the direct-taking tool magazine not only reduce the distance between the tool magazine and a tool changing point, but also reduce the preparation time for moving and avoiding each moving shaft during tool changing, and improve the tool changing efficiency; the opening of the tool magazine door and the pushing of the tool magazine share one power source, and the tool magazine door and the tool magazine are opened in a linkage manner through a connecting rod mechanism, so that additional power is not needed, the safety and the reliability are realized, and the cost is saved;
4. the side layout of the rotary table and the asymmetrical structural design of the lathe bed enable the chip removal area to be independent of the processing area under, so that chip removal is more convenient and smooth, and cleaning and protection are facilitated.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the structure of the turntable of the present invention.
Fig. 3 is a schematic view of the tool magazine structure of the present invention.
Fig. 4 is a schematic diagram of the tool magazine tool changing state of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in figure 1, the utility model discloses a multiaxis digit control machine tool, including lathe bed 1, stand 2, crossbeam 3, aircraft nose subassembly 4, cantilever revolving stage 5 and tool magazine 6. The column 2 and the beam 3 form a gantry structure which is arranged at the rear end of the bed 1, the beam 3 is provided with an X-direction guide rail 7, and the nose assembly 4 slides on the X-direction guide rail 7 and can move along the X direction under the action of an X-axis drive 8. The head assembly 4 is provided with a spindle 41 which is reciprocally movable in the Z direction by a Z-axis drive 9. The right side of the bed body 1 is provided with a Y-direction guide rail 10, and the left side of the bed body 1 is provided with a chip removal port 12. The Y-guide rail 10 is located in front of the beam 3, and the arm turret 5 slidably acts on the Y-guide rail 10 and is movable in the Y-direction by the Y-axis drive 11. A cutting fluid tank 13 is provided below the exhaust port 12. The tool magazine 6 is arranged below the beam 3 and is mounted on the bed 1.
Referring to fig. 1 and 2, the cantilever turntable 5 includes an a-axis swinging unit 51 and a C-axis rotating unit 52, the swinging unit 51 is slidably mounted on the Y-direction guide rail 10, the rotating unit 52 is mounted on the swinging unit 51, the workpiece 14 is mounted on a worktable of the rotating unit 52, and rotates around the C-axis together with the worktable on one hand, and swings around the a-axis under the driving of the swinging unit 51 on the other hand. An intersection point between the swing axis of the swing unit 51 and the rotation axis of the rotation unit 52 is located within the machining range S of the workpiece 14.
As shown in fig. 1, 3 and 4, the tool magazine 6 includes a rotary drive 601, a magazine support 602, a magazine chain 603, an endless guide 604 and a tool clamping device 605. The annular guide device 604 is arranged on the tool magazine support 602, and the tool magazine chain 603 acts on the annular guide device 604 and can rotate along the annular guide device 604 under the action of the rotary driving device 601; the tool gripping devices 605 are evenly distributed on the magazine chain 603.
The lower end of the tool magazine support 602 is provided with a tool magazine push-out and retraction device, which comprises a tool magazine mounting plate 606, a linear guide rail 607, a screw 608, a nut seat 609, a screw support 610, a servo motor 611 and a support cushion block 612. The tool magazine mounting plate 606 is mounted on the machine tool 1, the linear guide rails 607 and the lead screw 608 are arranged in parallel, the linear guide rails 607 are directly mounted on the tool magazine mounting plate 606, the lead screw 608 is supported on one side of the two linear guide rails 607 through a lead screw support 610, and the lead screw support 610 is fixed on the tool magazine mounting plate 606. The screw 608 is driven to rotate by a servo motor 611, the nut seat 609 is in threaded fit with the screw 608, the support cushion block 612 is fixed on the nut seat 609 and acts on the linear guide rail 607 in a sliding mode through the sliding block, and under the action of the servo motor 611, the screw 608 and the nut seat 609, the support cushion block 612 moves along the linear guide rail 607. The tool magazine support 602 is fixedly mounted on the support block 612 and moves together with the support block 612 to realize the pushing and retracting of the tool magazine.
In order to prevent chips and the like from entering the tool magazine during machining, a tool magazine door 613 is arranged between the two upright posts 2, is respectively connected to the upright posts 2 through a hinge bearing 614, is also respectively connected with the tool magazine support 602 through a connecting rod 615, and is opened outwards when the tool magazine support 602 is pushed out, and is closed when the tool magazine support 602 is retracted, so that the tool magazine 6 is isolated from a machining area, and the tool magazine 6 is effectively protected.
The utility model discloses man-hour, tool magazine door 613 closes, and cantilever revolving stage 5 and linear axis linkage because work piece processing position is close revolving stage axle center position, can reduce the geometric error who arouses because revolving stage positioning accuracy effectively. The chips in the process of machining can directly fall into the cutting fluid tank from the chip removal port below the machining area, and quick chip removal is realized. When the tool is changed, the servo motor 611 works to push the tool magazine 6 out of the lower part of the head assembly 4 to grab the tool, the three linear shafts do not need to move in a large range to avoid, and the tool changing waiting time is greatly saved.
Although the present invention has been described in detail, the present invention is not limited thereto, and those skilled in the art can make various modifications according to the principle of the present invention. Therefore, modifications made in accordance with the principles of the present invention should be understood to fall within the scope of the present invention.
Claims (8)
1. A multi-axis numerical control machine tool comprises a machine body, a stand column, a cross beam, a tool magazine and a cantilever turntable, wherein the cross beam and the stand column form a gantry structure which is arranged at the rear end of the machine body; the tool magazine and the cantilever rotary table are both arranged on the lathe bed; the cantilever turntable is positioned in front of the cross beam and can move back and forth along the lathe bed; the tool magazine is arranged below the cross beam and can be pushed out from the lower part of the cross beam.
2. The multi-axis numerical control machine tool according to claim 1, wherein the cantilever turntable is a single-axis turntable and comprises a swing unit and a worktable, the worktable is mounted at an output end of the swing unit and can rotate around a swing axis under the driving of the swing unit, the workpiece is mounted on the worktable, and an intersection point of the swing axis of the swing unit and a vertical central line of the worktable is positioned in a workpiece processing range;
or, the cantilever turntable is a double-shaft turntable and comprises a swinging unit, a rotating unit and a workbench, the rotating unit is arranged on the swinging unit, the workbench is arranged on the rotating unit, on one hand, the workbench rotates under the driving of the rotating unit, on the other hand, the workbench swings around the swinging axis of the swinging unit along with the rotating unit, on the one hand, the workpiece is arranged on the workbench, and the intersection point of the swinging axis of the swinging unit and the rotating axis of the rotating unit is positioned in the workpiece processing range.
3. The multi-axis numerical control machine tool according to claim 1 or 2, wherein the tool magazine is a direct-taking type chain tool magazine and comprises a tool magazine support, an annular guide device, a tool magazine chain, a tool clamping device and a tool magazine push-out and retraction device, the annular guide device is mounted on the tool magazine support, and the tool magazine chain acts on the annular guide device and can rotate along the annular guide device; a plurality of cutter clamping devices are arranged on the tool magazine chain; the tool magazine support is arranged on the tool magazine push-out and return device and can be pushed out and returned under the driving of the tool magazine push-out and return device.
4. The multi-axis numerical control machine tool according to claim 3, wherein the tool magazine further comprises two tool magazine doors hinged to the two columns, respectively, and connected to the tool magazine support through a connecting rod, respectively, wherein the tool magazine doors are opened outward when the tool magazine support is pushed out, and the tool magazine doors are closed when the tool magazine support is retracted.
5. The multi-axis numerical control machine tool according to claim 4, wherein the tool magazine ejecting and retracting device comprises a tool magazine mounting plate, a linear guide rail, a movement driving device and a support cushion block, the tool magazine mounting plate is mounted on the machine tool, the linear guide rail and the movement driving device are mounted on the tool magazine mounting plate, and the support cushion block is slidably acted on the linear guide rail, is connected with the movement driving device and can move along the linear guide rail under the action of the movement driving device; the tool magazine support is fixedly arranged on the support cushion block.
6. -6-the multi-axis numerical control machine tool according to claim 5, characterized in that the movement driving means is a cylinder drive or a motor drive.
7. The multi-axis numerical control machine tool according to claim 1, wherein a Y-directional guide rail is provided at one side of the machine body, and the cantilever turntable is slidably operated on the Y-directional guide rail and can move back and forth along the Y-directional guide rail; the machine head assembly is arranged on the cross beam and is slidably mounted on the cross beam and can move left and right along the X-axis direction; the head assembly comprises a main shaft which can move up and down along the Z-axis direction.
8. The multi-axis numerical control machine tool according to claim 7, wherein a chip removal port is provided on the machine tool on the side opposite to the Y-guide rail, and a cutting fluid tank is provided below the chip removal port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120951585.0U CN214685223U (en) | 2021-05-07 | 2021-05-07 | Multi-axis numerical control machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120951585.0U CN214685223U (en) | 2021-05-07 | 2021-05-07 | Multi-axis numerical control machine tool |
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| Publication Number | Publication Date |
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| CN214685223U true CN214685223U (en) | 2021-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120951585.0U Active CN214685223U (en) | 2021-05-07 | 2021-05-07 | Multi-axis numerical control machine tool |
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| CN (1) | CN214685223U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113118785A (en) * | 2021-05-07 | 2021-07-16 | 北京精雕科技集团有限公司 | Multi-axis numerical control machine tool |
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2021
- 2021-05-07 CN CN202120951585.0U patent/CN214685223U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113118785A (en) * | 2021-05-07 | 2021-07-16 | 北京精雕科技集团有限公司 | Multi-axis numerical control machine tool |
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