CN111097947A - Three-axis numerical control machining machine tool and three-axis numerical control machining center - Google Patents
Three-axis numerical control machining machine tool and three-axis numerical control machining center Download PDFInfo
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- CN111097947A CN111097947A CN202010018118.2A CN202010018118A CN111097947A CN 111097947 A CN111097947 A CN 111097947A CN 202010018118 A CN202010018118 A CN 202010018118A CN 111097947 A CN111097947 A CN 111097947A
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- 238000003754 machining Methods 0.000 title claims description 22
- 230000007246 mechanism Effects 0.000 claims abstract description 40
- 238000005452 bending Methods 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 238000012545 processing Methods 0.000 abstract description 2
- 238000005266 casting Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C1/00—Milling machines not designed for particular work or special operations
- B23C1/06—Milling machines not designed for particular work or special operations with one vertical working-spindle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/01—Frames, beds, pillars or like members; Arrangement of ways
- B23Q1/015—Frames, beds, pillars
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Abstract
The invention discloses a three-axis numerical control processing machine tool, which comprises a tool body and a wall type upright post fixedly arranged on the upper surface of the tool body, wherein the upper surface of the tool body is provided with a workbench through a Y-axis movement mechanism, a sliding seat is arranged on a vertical working surface of the wall type upright post close to the workbench through an X-axis movement mechanism, the outer side surface of the sliding seat is provided with a spindle box through a Z-axis movement mechanism, and a vertical spindle is arranged on the spindle box. The deformation amount is reduced and the rigidity is enhanced. The integral wall type upright post is fixedly connected with the lathe bed, ensures the optimal rigidity and precision stability of the lathe bed, and avoids the phenomena of deformation, bending and the like caused by overlarge load born by other components of the lathe bed. The whole internal protection is neat without water leakage. Greatly improves the stroke length of the Y axis, and the spindle box has a large overhanging structure. The invention also discloses a three-axis numerical control machining center comprising the machine tool.
Description
Technical Field
The invention relates to the field of numerical control machining, in particular to a three-axis numerical control machining machine tool. In addition, the invention also relates to a three-axis numerical control machining center comprising the machine tool.
Background
With the development of the manufacturing industry, the three-axis numerical control machining center is widely used in the machining industry due to the characteristics of high machining automation degree, high efficiency and good machining quality. With the development of automation and the arrival of new industrial equipment, the application of the three-axis numerical control machining center is more and more extensive, and the demand is more and more large. Three linear axes are adopted to form a rectangular coordinate system, three axes can be jointly transported, and the angular position of the main shaft is kept fixed during milling.
The main part of the existing three-axis numerical control machining center is a machine tool and has various forms, such as a portal type, a machine tool workbench is fixedly connected with a machine base, a bridge moves along an X axis, and the workbench is fixed. The device has the advantages of small occupied area, poor accessibility of charging operation and general dynamic performance. Or gantry type, the gantry is fixedly connected with the machine base, the workbench moves along the X axis, and the gantry is fixed. The device has the advantages of large occupied area, good accessibility of charging operation and good dynamic performance. Or cantilever type, cantilever and frame fixed connection, the workstation moves along the X axle, and its area is big, and the operation accessibility of loading is good, and the dynamics is better.
However, the above-described structures do not achieve optimum rigidity and precision stability, and cause problems such as vibration of the machine tool and deformation and bending of other members of the machine tool due to an excessive load applied thereto.
Therefore, how to provide a stable-structure three-axis numerical control machine tool is a technical problem that needs to be solved by those skilled in the art at present.
Disclosure of Invention
The invention aims to provide a three-axis numerical control processing machine tool, which forms a semi-enclosed structure by fixedly mounting a wall type upright column on a machine tool body, enhances the rigidity and improves the stability. Another object of the invention is to provide a three-axis numerically controlled machining center including the above machine tool.
In order to solve the technical problem, the invention provides a three-axis numerical control machining tool which comprises a horizontally arranged tool body and a wall type stand column fixedly installed on the upper surface of the tool body, wherein a workbench is installed on the upper surface of the tool body through a Y-axis movement mechanism, the Y-axis movement mechanism can drive the workbench to horizontally move along a Y axis, a sliding seat is installed on a vertical working surface, close to the workbench, of the wall type stand column through an X-axis movement mechanism, the X-axis movement mechanism can drive the sliding seat to horizontally move along an X axis, a main spindle box is installed on the outer side surface of the sliding seat through a Z-axis movement mechanism, the Z-axis movement mechanism can drive the main spindle box to vertically move along a Z axis, and a vertical main spindle is installed on the main.
Preferably, the wall column is installed on one side of the upper surface of the bed body, and the bottom end surface of the wall column is completely contacted with the upper surface of the bed body.
Preferably, the wall column is embodied as a box structure.
Preferably, the X-axis movement mechanism comprises an X-axis guide rail, an X-axis lead screw and an X-axis servo motor, the X-axis guide rail is horizontally arranged, the X-axis servo motor drives the X-axis lead screw, the X-axis guide rail is installed on the upper portion of the vertical working face of the wall type upright post, and the sliding seat is installed on the X-axis guide rail and connected with the X-axis lead screw.
Preferably, the Y-axis movement mechanism includes a horizontally disposed Y-axis guide rail, a Y-axis lead screw, and a Y-axis servo motor driving the Y-axis lead screw, the Y-axis guide rail is installed in the middle of the upper surface of the bed, the extending direction of the Y-axis guide rail is perpendicular to the extending direction of the X-axis guide rail, and the worktable is installed on the Y-axis guide rail and connected to the Y-axis lead screw.
Preferably, the Z-axis movement mechanism comprises a vertically arranged Z-axis guide rail, a Z-axis lead screw and a Z-axis servo motor for driving the Z-axis lead screw, the Z-axis guide rail is mounted in the middle of the outer side surface of the sliding seat, and the spindle box is mounted on the Z-axis guide rail and connected with the Z-axis lead screw.
Preferably, the wall type upright post is an integral wall type structure cast by an inner cavity diagonal brace.
Preferably, the main spindle box is formed by casting diagonal braces with equal distance between the shells.
Preferably, a ribbed plate is connected between the wall column and the bed.
The invention provides a three-axis numerical control machining center which comprises a three-axis numerical control machining machine tool, wherein the three-axis numerical control machining machine tool is any one of the three-axis numerical control machining machine tool.
The invention provides a three-axis numerical control machining tool which comprises a horizontally arranged tool body and a wall type upright post fixedly arranged on the upper surface of the tool body, wherein a workbench is arranged on the upper surface of the tool body through a Y-axis motion mechanism, the Y-axis motion mechanism can drive the workbench to horizontally move along a Y axis, a sliding seat is arranged on a vertical working surface, close to the workbench, of the wall type upright post through an X-axis motion mechanism, the X-axis motion mechanism can drive the sliding seat to horizontally move along an X axis, a spindle box is arranged on the outer side surface of the sliding seat through a Z-axis motion mechanism, the Z-axis motion mechanism can drive the spindle box to vertically move along a Z axis, and a.
Through fixed mounting wall formula stand on the lathe bed, form half enclosure structure, let the forward movement of stress point, the front end main shaft mechanism that can better support X axial displacement makes its deflection reduce, and the rigidity is strengthened. The integral wall type upright post is fixedly connected with the lathe bed, ensures the optimal rigidity and precision stability of the lathe bed, does not cause the vibration of the lathe bed, and avoids the phenomena of deformation, bending and the like caused by overlarge load born by other components of the lathe bed. Meanwhile, the whole wall type structure is better than other structures in solving the problem of internal protection, so that the whole internal protection is neat and has no water leakage problem. The lathe bed only needs to be provided with one Y-axis for movement, so that the stroke length of the Y-axis is greatly improved, and the spindle box has a large overhanging structure.
The invention also provides a three-axis numerical control machining center comprising the three-axis numerical control machining machine tool, and the machine tool has the technical effect, so that the three-axis numerical control machining center also has the same technical effect.
Drawings
FIG. 1 is a schematic structural diagram of one embodiment of a three-axis CNC machine tool provided in the present invention;
FIG. 2 is a schematic top view of one embodiment of a three-axis CNC machine tool provided in accordance with the present invention;
FIG. 3 is a schematic side view of one embodiment of a three-axis CNC machine tool provided in accordance with the present invention.
Detailed Description
The core of the invention is to provide a three-axis numerical control machine tool, a semi-surrounding structure is formed by fixedly mounting a wall type upright column on a tool body, the rigidity is enhanced, and the stability is improved. The other core of the invention is to provide a three-axis numerical control machining center comprising the machine tool.
In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 3, fig. 1 is a schematic structural diagram of a three-axis numerical control machine tool according to an embodiment of the present invention; FIG. 2 is a schematic top view of one embodiment of a three-axis CNC machine tool provided in accordance with the present invention; FIG. 3 is a schematic side view of one embodiment of a three-axis CNC machine tool provided in accordance with the present invention.
The specific embodiment of the invention provides a three-axis numerical control machining tool which comprises a tool body 1, a wall type upright post 2, a workbench 3, a sliding seat 4 and a spindle box 5, wherein the tool body 1 is horizontally arranged, the wall type upright post 2 is fixedly arranged on the upper surface of the tool body 1, the workbench 3 is arranged on the upper surface of the tool body 1 through a Y-axis motion mechanism, the Y-axis motion mechanism can drive the workbench 3 to horizontally move along a Y axis, the sliding seat 4 is arranged on a vertical working surface, close to the workbench 3, of the wall type upright post 2 through an X-axis motion mechanism, the X-axis motion mechanism can drive the sliding seat 4 to horizontally move along an X axis, the spindle box 5 is arranged on the outer side surface of the sliding seat 4 through a Z-axis motion mechanism, the Z-axis motion mechanism can drive the.
Through fixed mounting wall formula stand 2 on lathe bed 1, form half enclosure structure, let the forward movement of stress point, the front end main shaft mechanism that can better support X axial displacement makes its deflection reduce, and the rigidity is strengthened. The integral wall type upright column 2 is fixedly connected with the lathe bed 1, ensures the optimal rigidity and precision stability of the lathe, does not cause the vibration of the lathe, and avoids the phenomena of deformation, bending and the like caused by overlarge load born by other components of the lathe. Meanwhile, the whole wall type structure is better than other structures in solving the problem of internal protection, so that the whole internal protection is neat and has no water leakage problem. The lathe bed 1 can move only by installing one Y-axis, the stroke length of the Y-axis is greatly improved, and the main spindle box 5 has a large overhanging structure.
In order to ensure the stability of the equipment, the wall type upright post 2 is arranged on one side of the upper surface of the bed body 1, and the bottom end surface of the wall type upright post 2 is completely contacted with the upper surface of the bed body 1. The other connection mode can also be adopted, namely the rear end surface of the machine tool body 1 is completely contacted with the lower part of the front end surface of the wall type upright post 2, and the lower end surface of the wall type upright post 2 is also used as a part of the whole lower end surface of the machine tool. In addition, at lathe bed 1 and wall stand 2 junction, can set up a plurality of reinforcing plates, promote joint strength.
The invention adopts the semi-surrounding design of the integral wall type upright post 2, is fixed with the bed body 1 and can not move, plays a main supporting role, and realizes the movement of each shaft in a way of matching with the sliding seat 4. The stability of the whole machine tool is greatly improved, all driving structures and moving parts are coordinated and matched, the deformation resistance is stronger, and the machine tool plays an important role in the machining precision and the service life of a machining center.
Wherein, wall formula stand 2 specifically is the box structure, and protection problem in the better solution than other structures makes whole interior protection neat, the problem of not leaking water.
In the three-axis numerical control machine tool provided by the embodiment of the invention, the X-axis movement mechanism comprises a horizontally arranged X-axis guide rail 6, an X-axis lead screw 7 and an X-axis servo motor for driving the X-axis lead screw 7, the X-axis guide rail 6 is arranged at the upper part of the vertical working surface of the wall type upright post 2, and the sliding seat 4 is arranged on the X-axis guide rail 6 and connected with the X-axis lead screw 7. During operation, the X-axis servo motor drives the X-axis lead screw 7 to rotate, and then the sliding seat 4 is driven to move along the X-axis guide rail 6 in the X direction.
The Y-axis movement mechanism comprises a horizontally arranged Y-axis guide rail 8, a Y-axis screw 9 and a Y-axis servo motor for driving the Y-axis screw 9, the Y-axis guide rail 8 is installed in the middle of the upper surface of the lathe bed 1, the extending direction of the Y-axis guide rail 8 is perpendicular to the extending direction of the X-axis guide rail 6, and the workbench 3 is installed on the Y-axis guide rail 8 and connected with the Y-axis screw 9. During operation, the Y-axis servo motor drives the Y-axis lead screw 9 to rotate, and further drives the workbench 3 to move along the Y-axis guide rail 8 in the Y direction.
The Z-axis movement mechanism comprises a Z-axis guide rail 10, a Z-axis lead screw 11 and a Z-axis servo motor, the Z-axis guide rail 10 is vertically arranged, the Z-axis servo motor drives the Z-axis lead screw 11, the Z-axis guide rail 10 is installed in the middle of the outer side face of the sliding seat 4, and the spindle box 5 is installed on the Z-axis guide rail 10 and connected with the Z-axis lead screw 11. During operation, the Z-axis servo motor drives the Z-axis screw rod 11 to rotate, and then drives the spindle box 5 to move along the Z-axis guide rail 10 in the Z direction. The servo motors are connected with one end of each lead screw, and the lead screws are arranged on corresponding components through bearings. In the working process, the workbench 3 realizes Y-axis movement, the sliding seat 4 drives the spindle box 5 to realize X-axis movement, the spindle box 5 realizes Z-axis movement, and finally three-axis movement in the machining process is realized.
In order to ensure that the movement in each direction is in a reasonable range, the length of the X-axis guide rail 6 is matched with the width of the wall type upright post 2, the length of the Y-axis guide rail 8 is matched with the length exposed from the upper surface of the lathe bed 1, the length of the Z-axis guide rail 10 is matched with the height of the sliding seat 4, meanwhile, the length of each lead screw is matched with the length of the corresponding guide rail, and two ends of each guide rail are provided with a limiting mechanism. In order to avoid interference, a Z-axis servo motor is arranged at the upper end of the Z-axis screw rod 11, and a Y-axis servo motor is arranged at one end of the Y-axis screw rod 9 far away from the wall type upright post 2.
Of course, other movement modes, such as a flexible platform, etc., or the arrangement mode, the length size, etc., of the movement mechanisms in all directions can be adjusted, for example, the sliding seat 4 moves along the Z axis, and the main spindle box 5 moves along the X axis, which are all within the protection scope of the present invention.
On the basis of the three-axis numerical control machine tool provided by each specific embodiment, the wall type upright post 2 is of an integral wall type structure cast by an inner cavity diagonal brace, and the strength is further improved. And through finite element analysis, the weight, the rigidity, the internal state and the like of the machine tool are optimized, the optimal rigidity and the accuracy stability of the machine tool are further ensured, the vibration of the machine tool is avoided, and the phenomena of deformation, bending and the like of other components of the machine tool caused by overlarge load are avoided.
The main spindle box 5 is formed by casting diagonal braces with the same distance to the shell, the strength is higher, and the weight, the rigidity, the internal state and the like of the main spindle box are optimized through finite element analysis. The main shaft is arranged on the main shaft box 5 and extends downwards, so that large overhang is realized, the problem of deep hole machining pieces can be solved by large overhang, the whole cost performance of the machine tool is higher, and the machine tool is more widely applicable.
In order to improve the intensity of the equipment, a ribbed plate is connected between the wall type upright post 2 and the bed body 1. Can set up the floor in 2 both sides of wall formula stand, avoid influencing the function of internals.
In addition to the three-axis numerical control machining tool, a specific embodiment of the present invention further provides a three-axis numerical control machining center including the three-axis numerical control machining tool, and the structure of other parts of the three-axis numerical control machining center refers to the prior art and is not described herein again.
The present invention provides a three-axis numerical control machine tool and a three-axis numerical control machining center. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (10)
1. A three-axis numerical control machine tool is characterized by comprising a bed body (1) which is horizontally arranged and a wall type upright post (2) which is fixedly arranged on the upper surface of the bed body (1), the upper surface of the lathe bed (1) is provided with a workbench (3) through a Y-axis movement mechanism, the Y-axis motion mechanism can drive the workbench (3) to horizontally move along a Y axis, a slide seat (4) is arranged on the vertical working surface of the wall type upright post (2) close to the workbench (3) through the X-axis motion mechanism, the X-axis motion mechanism can drive the sliding seat (4) to horizontally move along an X axis, a main spindle box (5) is installed on the outer side surface of the sliding seat (4) through a Z-axis motion mechanism, the Z-axis motion mechanism can drive the spindle box (5) to vertically move along a Z axis, and a vertical spindle is mounted on the spindle box (5).
2. Three-axis numerically controlled machine tool according to claim 1, characterized in that the wall column (2) is mounted on one side of the upper surface of the bed (1), the bottom end face of the wall column (2) being in full contact with the upper surface of the bed (1).
3. Three-axis numerically controlled machine tool according to claim 2, characterized in that said wall column (2) is embodied as a box structure.
4. The machine tool according to claim 1, wherein the X-axis motion mechanism comprises a horizontally arranged X-axis guide rail (6), an X-axis lead screw (7) and an X-axis servo motor for driving the X-axis lead screw (7), the X-axis guide rail (6) is installed on the upper part of the vertical working surface of the wall column (2), and the sliding seat (4) is installed on the X-axis guide rail (6) and connected with the X-axis lead screw (7).
5. The three-axis numerical control machine tool according to claim 4, characterized in that the Y-axis motion mechanism comprises a horizontally arranged Y-axis guide rail (8), a Y-axis lead screw (9) and a Y-axis servo motor for driving the Y-axis lead screw (9), the Y-axis guide rail (8) is installed in the middle of the upper surface of the machine body (1), the extending direction of the Y-axis guide rail (8) is perpendicular to the extending direction of the X-axis guide rail (6), and the worktable (3) is installed on the Y-axis guide rail (8) and connected with the Y-axis lead screw (9).
6. The machine tool according to claim 5, wherein the Z-axis motion mechanism comprises a Z-axis guide rail (10), a Z-axis lead screw (11) and a Z-axis servo motor for driving the Z-axis lead screw (11), the Z-axis guide rail (10) is arranged in the middle of the outer side surface of the sliding seat (4), and the main spindle box (5) is arranged on the Z-axis guide rail (10) and connected with the Z-axis lead screw (11).
7. The machine tool according to any one of claims 1 to 6, wherein the wall column (2) is an integral wall structure cast with diagonal cage bars.
8. The machine tool according to claim 7, characterized in that the headstock (5) is cast and formed by diagonal braces with equal distance between the housings.
9. Three-axis numerically controlled machine tool according to claim 8, characterized in that between said wall column (2) and said bed (1) there are connected ribs.
10. A three-axis numerical control machining center comprising a three-axis numerical control machining tool, characterized in that the three-axis numerical control machining tool is specifically the three-axis numerical control machining tool of any one of claims 1 to 9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010018118.2A CN111097947A (en) | 2020-01-08 | 2020-01-08 | Three-axis numerical control machining machine tool and three-axis numerical control machining center |
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| CN202010018118.2A CN111097947A (en) | 2020-01-08 | 2020-01-08 | Three-axis numerical control machining machine tool and three-axis numerical control machining center |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115415828A (en) * | 2022-09-08 | 2022-12-02 | 杭州大天数控机床有限公司 | Intelligent high-efficiency vertical machining center with database |
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| CN106392667A (en) * | 2016-11-22 | 2017-02-15 | 三星智能科技盐城有限公司 | Five-axis combined machining center |
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2020
- 2020-01-08 CN CN202010018118.2A patent/CN111097947A/en active Pending
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| US20160167187A1 (en) * | 2013-07-29 | 2016-06-16 | Alfing Kessler Sondermaschinen Gmbh | Machine Tool Having a Number of Multispindle Spindle Assemblies |
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| CN209125323U (en) * | 2018-12-05 | 2019-07-19 | 沈阳海克机床有限公司 | A kind of vertical machining centre main structure |
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| CN115415828A (en) * | 2022-09-08 | 2022-12-02 | 杭州大天数控机床有限公司 | Intelligent high-efficiency vertical machining center with database |
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Address after: No. 81, Guangji Road, Economic Development Zone, Longyou County, Quzhou City, Zhejiang Province 324000 Applicant after: Zhejiang Zhongfu Industrial Technology Co.,Ltd. Address before: No. 81, Guangji Road, Economic Development Zone, Longyou County, Quzhou City, Zhejiang Province 324400 Applicant before: Zhejiang Zhongfu Precision Machine Tool Co.,Ltd. |