CN215509955U - Double-spindle long-stroke heavy-cutting gantry vertical machining center - Google Patents
Double-spindle long-stroke heavy-cutting gantry vertical machining center Download PDFInfo
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- CN215509955U CN215509955U CN202122925207.8U CN202122925207U CN215509955U CN 215509955 U CN215509955 U CN 215509955U CN 202122925207 U CN202122925207 U CN 202122925207U CN 215509955 U CN215509955 U CN 215509955U
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Abstract
The utility model relates to a double-spindle long-stroke heavy-cutting gantry vertical machining center, wherein a left lathe bed and a right lathe bed are arranged in parallel, and a workbench is arranged between the left lathe bed and the right lathe bed; the left bed body and the right bed body are respectively provided with an X-axis guide rail, and a left X-axis upright post and a right X-axis upright post are respectively connected with the X-axis guide rail in a sliding manner through X-axis driving; the left X-axis upright post and the right X-axis upright post are connected with a cross beam together; the beam is provided with a Y-axis guide rail, and the left saddle and the right saddle are arranged in parallel and are respectively connected with the Y-axis guide rail in a sliding manner through Y-axis drive; the left saddle and the right saddle are respectively connected with a Z-direction main shaft through a Z-axis drive. This machining center lathe bed adopts split type structure, not only reduces the processing degree of difficulty, fixes a position the lathe bed in the middle with the part moreover, has avoided the deformation of track lathe bed to the influence of clamping part, improves positioning accuracy.
Description
Technical Field
The utility model relates to a double-spindle long-stroke heavy-cutting gantry vertical machining center, and belongs to the technical field of data machine tools.
Background
The existing cutting gantry vertical machining center is generally of a small structure, has small bearing capacity, only has one Z-direction main shaft, and is low in machining efficiency. In order to meet the requirement of machining large parts, heavy-cutting long-stroke planomillers are respectively developed by research and development units, but because the load-bearing parts are heavy and the machine body has a long stroke, deformation is easily generated in the machining process, and the product precision is directly influenced. Although the scale of the similar machine tools on the market is getting larger and larger at present, most products are general machine tools, a large gap exists in the machining efficiency, and the problem of high cost is faced under the condition of purchasing a plurality of machine tools.
Disclosure of Invention
The technical problem to be solved by the utility model is to provide a double-spindle long-stroke heavy-cutting gantry vertical machining center, wherein a machine body of the machining center adopts a split structure, so that the machining difficulty is reduced, parts are positioned on the machine body in the middle, the influence of the deformation of a track machine body on the clamping of the parts is avoided, and the positioning precision is improved.
In order to solve the above problems, the specific technical scheme of the utility model is as follows: a double-spindle long-stroke heavy-cutting gantry vertical machining center is characterized in that a left lathe bed and a right lathe bed are arranged in parallel, and a workbench is arranged between the left lathe bed and the right lathe bed; the left bed body and the right bed body are respectively provided with an X-axis guide rail, and a left X-axis upright post and a right X-axis upright post are respectively connected with the X-axis guide rail in a sliding manner through X-axis driving; the left X-axis upright post and the right X-axis upright post are connected with a cross beam together; the beam is provided with a Y-axis guide rail, and the left saddle and the right saddle are arranged in parallel and are respectively connected with the Y-axis guide rail in a sliding manner through Y-axis drive; the left saddle and the right saddle are respectively connected with a Z-direction main shaft through a Z-axis drive.
The worktable is provided with an electromagnetic chuck and a fixed clamp.
The X-axis driving structure comprises racks arranged on the left lathe bed and the right lathe bed along the length direction, two gears driven by synchronous motors are arranged on the bottom surfaces of the left X-axis stand column and the right X-axis stand column respectively, and the gears are meshed with the racks on the corresponding sides respectively.
The Y-axis driving structure comprises an output shaft of a Y-axis servo motor positioned on a cross beam and connected with a precision coupling, the tail end of the precision coupling is connected with a Y-axis ball screw, two ends of the Y-axis ball screw are positioned on the cross beam through bearing seats, and a sliding block on the Y-axis ball screw is connected with a left saddle or a right saddle.
The Z-axis driving structure comprises a left sliding saddle and a right sliding saddle, wherein Z-axis ball screws are supported in the left sliding saddle and the right sliding saddle up and down through bearing seats respectively, and the tops of the Z-axis ball screws are connected with a Z-axis servo motor through a Z-axis speed reducer; and the Z-axis ball screw is connected with a Z-axis main shaft through a nut.
Chip removers are respectively arranged between the left lathe bed and the workbench and between the right lathe bed and the workbench.
The double-spindle long-stroke heavy-cutting gantry vertical machining center has the advantages that:
1. the double-Z-direction main shaft is adopted for processing, so that the processing efficiency is improved;
2. the machine body adopts a split structure, so that not only is the processing difficulty reduced, but also the deformation of the machine body is reduced;
3. the left X-axis upright post and the right X-axis upright post can move along the X axis, so that the processing capacity of the machine tool is improved;
4. the two Z-direction main shafts move along the X direction and the Y direction, the stroke is large, and heavy large-size parts can be machined.
Drawings
Fig. 1 is a perspective view of a double-spindle long-stroke heavy-cutting gantry vertical machining center.
FIG. 2 is a view showing the structure of the X-axis drive of the bottom of the left X-axis column.
Fig. 3 is a connection structure view of the left X-axis column and the bed body.
Fig. 4 is a schematic diagram of a Y-axis driving structure.
Fig. 5 is a schematic view of a Z-axis driving structure.
Detailed Description
As shown in fig. 1, a double-spindle long-stroke heavy-cutting gantry vertical machining center, a left lathe bed 1 and a right lathe bed 2 are arranged in parallel, and a workbench 13 is arranged between the left lathe bed 1 and the right lathe bed 2; the left bed body 1 and the right bed body 2 are respectively provided with an X-axis guide rail, and the left X-axis upright post 3 and the right X-axis upright post 4 are respectively connected with the X-axis guide rail in a sliding way through X-axis driving; the left X-axis upright post 3 and the right X-axis upright post 4 are connected with a cross beam 5 together; a Y-axis guide rail 7 is arranged on the cross beam 5, and a left saddle 8 and a right saddle 9 are arranged in parallel and are respectively connected with the Y-axis guide rail 7 in a sliding manner through a Y-axis drive 6; the left saddle 8 and the right saddle 9 are connected to a Z-axis main shaft 25 through a Z-axis drive 10. A left saddle 8 and a right saddle 9 are arranged on the Y-axis guide rail 7 in parallel, so that the processing capacity of the Y-axis guide rail is improved, and meanwhile, the workbench is prevented from being influenced by deformation of the beam moving guide rail due to the adoption of a split structure of the left lathe bed 1, the right lathe bed 2 and the workbench 13. An electromagnetic chuck 14 and a fixing clamp 15 are arranged on the workbench 13, so that multi-angle positioning of workpieces is realized, and the processing precision and stability are ensured to the maximum extent.
As shown in fig. 2 and 3, the X-axis driving structure includes racks 17 disposed on the left bed 1 and the right bed 2 along the length direction, two gears 16 driven by a synchronous motor disposed on the bottom surfaces of the left X-axis column 3 and the right X-axis column 4, respectively, and the gears 16 are engaged with the racks 17 on the corresponding sides, respectively.
As shown in fig. 4, the structure of the Y-axis drive 6 includes that an output shaft of a Y-axis servomotor 18 positioned on the cross beam 5 is connected with a precision coupling 19, the tail end of the precision coupling 19 is connected with a Y-axis ball screw 20, two ends of the Y-axis ball screw 20 are positioned on the cross beam 5 through bearing seats, and a slide block on the Y-axis ball screw 20 is connected with the left saddle 8 or the right saddle 9.
As shown in fig. 5, the structure of the Z-axis drive 10 includes that a Z-axis ball screw 23 is supported in the left saddle 8 and the right saddle 9 through bearing seats up and down, respectively, and the top of the Z-axis ball screw 23 is connected with a Z-axis servo motor 21 through a Z-axis reducer 22; the Z-axis ball screw 23 is connected to a Z-axis main shaft 25 through a nut 24.
Chip removers 12 are respectively arranged between the left lathe bed 1 and the workbench 13 and between the right lathe bed 2 and the workbench 13, so that the integral connection symmetry of the workbench is realized, and errors caused by asymmetric deformation are reduced.
Claims (6)
1. The utility model provides a vertical machining center of two main shafts long stroke heavy cutting longmen which characterized in that: the left lathe bed (1) and the right lathe bed (2) are arranged in parallel, and a workbench (13) is arranged between the left lathe bed (1) and the right lathe bed (2); x-axis guide rails are respectively arranged on the left lathe bed (1) and the right lathe bed (2), and a left X-axis upright post (3) and a right X-axis upright post (4) are respectively connected with the X-axis guide rails in a sliding manner through X-axis drive; the left X-axis upright post (3) and the right X-axis upright post (4) are connected with a cross beam (5) together; a Y-axis guide rail (7) is arranged on the cross beam (5), and a left saddle (8) and a right saddle (9) are arranged in parallel and are respectively connected with the Y-axis guide rail (7) in a sliding way through a Y-axis drive (6); the left saddle (8) and the right saddle (9) are respectively connected with a Z-direction main shaft (25) through a Z-axis drive (10).
2. The double-spindle long-stroke heavy-cutting gantry vertical machining center of claim 1, characterized in that: the worktable (13) is provided with an electromagnetic chuck (14) and a fixed clamp (15).
3. The double-spindle long-stroke heavy-cutting gantry vertical machining center of claim 1, characterized in that: the X-axis driving structure comprises racks (17) arranged on a left lathe bed (1) and a right lathe bed (2) along the length direction, two gears (16) driven by synchronous motors are respectively arranged on the bottom surfaces of a left X-axis upright post (3) and a right X-axis upright post (4), and the gears (16) are respectively meshed with the racks (17) on the corresponding sides.
4. The double-spindle long-stroke heavy-cutting gantry vertical machining center of claim 1, characterized in that: the Y-axis driving (6) structure comprises an output shaft of a Y-axis servo motor (18) positioned on a cross beam (5) and connected with a precision coupling (19), the tail end of the precision coupling (19) is connected with a Y-axis ball screw (20), two ends of the Y-axis ball screw (20) are positioned on the cross beam (5) through bearing seats, and a sliding block on the Y-axis ball screw (20) is connected with a left saddle (8) or a right saddle (9).
5. The double-spindle long-stroke heavy-cutting gantry vertical machining center of claim 1, characterized in that: the Z-axis driving (10) structure comprises a left saddle (8) and a right saddle (9) which are internally and vertically supported with a Z-axis ball screw (23) through bearing seats respectively, and the top of the Z-axis ball screw (23) is connected with a Z-axis servo motor (21) through a Z-axis reducer (22); the Z-axis ball screw (23) is connected with a Z-axis main shaft (25) through a nut (24).
6. The double-spindle long-stroke heavy-cutting gantry vertical machining center of claim 1, characterized in that: chip removal devices (12) are respectively arranged between the left lathe bed (1) and the workbench (13) and between the right lathe bed (2) and the workbench (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122925207.8U CN215509955U (en) | 2021-11-26 | 2021-11-26 | Double-spindle long-stroke heavy-cutting gantry vertical machining center |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122925207.8U CN215509955U (en) | 2021-11-26 | 2021-11-26 | Double-spindle long-stroke heavy-cutting gantry vertical machining center |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215509955U true CN215509955U (en) | 2022-01-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122925207.8U Active CN215509955U (en) | 2021-11-26 | 2021-11-26 | Double-spindle long-stroke heavy-cutting gantry vertical machining center |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215509955U (en) |
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2021
- 2021-11-26 CN CN202122925207.8U patent/CN215509955U/en active Active
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