CN219582170U - Parallel numerical control machine tool - Google Patents
Parallel numerical control machine tool Download PDFInfo
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- CN219582170U CN219582170U CN202321333480.4U CN202321333480U CN219582170U CN 219582170 U CN219582170 U CN 219582170U CN 202321333480 U CN202321333480 U CN 202321333480U CN 219582170 U CN219582170 U CN 219582170U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
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Abstract
The utility model discloses a parallel numerical control machine tool.A cross beam is connected with a slide carriage box through a cross beam guide rail, a ram type power head is arranged on the slide carriage box, a Z-direction feeding structure and two balance cylinders are arranged between the ram type power head and the slide carriage box, the Z-direction feeding structure comprises a Z-direction guide rail device and two driving lifting devices, a first side part and a second side part which are opposite to each other of a square ram outer shell are respectively provided with a driving lifting device, and a servo motor drives a screw rod assembly to drive the ram type power head to move along the Z direction of the Z-direction guide rail device; the workbench structure comprises at least two workbench which are arranged side by side along the Y direction, adjacent workbench are detachably and fixedly connected through a connecting piece, and the driving device drives the workbench structure to move along the X direction linear guide rail component. The parallel numerical control machine tool has the advantages that the workbench structure is detachable for use, the transportation and flexible use are convenient, the ram type power head of the parallel numerical control machine tool runs stably in the up-and-down motion process, the ram type power head is not easy to deflect, and the machining precision of the machine tool is improved.
Description
Technical Field
The utility model belongs to the field of large-scale numerical control machine tools, and particularly relates to a parallel numerical control machine tool.
Background
The general large-span heavy gantry numerical control machine tool consists of a gantry and a workbench structure, wherein the gantry consists of a rigid frame consisting of double upright posts, a cross beam, a connecting beam, a slide carriage and a ram power head, the ram is arranged on the cross beam, the ram moves vertically up and down (Z axis), the power head is arranged on the ram, the slide carriage provided with the ram power head moves left and right along a cross beam guide rail (Y axis), the lower part of the gantry frame moves longitudinally along a machine body (X axis), or the gantry frame does not move and the workbench structure moves longitudinally along the machine body (X axis). With the update of technology, specifications of products in industries such as nuclear power, large shield machines, offshore oil platforms, ship berths, mines, metallurgy, military industry, port and dock equipment and the like are continuously increased. In order to meet the requirements, the current numerical control machine tool products are also developing towards overweight, oversized, high-precision, high-recombination, high-reliability and high-automation. The workbench structure of the large-span heavy gantry numerical control machine tool is a main bearing and moving part of the machine tool, so that the workbench structure of the existing large-span heavy gantry numerical control machine tool has very large bearing area and cannot be detached, and is extremely difficult to transport.
In addition, the ultra-wide workbench for adapting to the large-span heavy gantry numerical control machine tool has the advantages that the span of the gantry beam is large, and the ram type power head and the connecting part of the ram type power head and the beam, which are loaded on the beam, are heavy, usually weigh more than ten tons and some reach tens of tons. The beam part of the existing small-span numerical control machine tool is connected with the slide carriage box through a beam guide rail, and a servo motor of the slide carriage box drives a gear through a feed box of the slide carriage box through a speed reducer to realize horizontal movement of the slide carriage box. The slide carriage box is connected with a ram type power head in the vertical direction, a screw rod is arranged on one side of the ram type power head, and the screw rod is driven by a servo motor to realize vertical movement. However, when the mode of arranging the lead screw on one side of the ram type power head is applied to a large-span heavy gantry numerical control machine tool, the up-and-down movement of the ram type power head is unstable, the ram type power head is easy to deflect, and the machining precision of the machine tool is reduced.
Disclosure of Invention
In order to overcome the defects in the prior art, the technical problem to be solved by the utility model is to provide the parallel numerical control machine tool, the workbench structure of the parallel numerical control machine tool can be detached for use, the parallel numerical control machine tool is convenient to transport and flexibly use, the ram type power head of the parallel numerical control machine tool runs stably in the up-and-down motion process and is not easy to deflect, and the machining precision of the parallel numerical control machine tool is improved.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides a parallel numerical control machine, includes crossbeam, ram formula unit head, workstation structure and lathe base, the crossbeam is connected with the carriage apron through the crossbeam guide rail, the ram formula unit head set up in the middle part of carriage apron, the workstation structure can be relative the lathe base is along X to removing its characterized in that:
the Z-direction feeding structure comprises a Z-direction guide rail device and two driving lifting devices, the ram type power head comprises a ram outer shell, the ram outer shell is square, the driving lifting devices are respectively arranged on a first side part and a second side part which are opposite, the two balancing cylinders are respectively symmetrically arranged on the two side parts which are opposite, the driving lifting devices comprise a lead screw assembly and a servo motor, and the servo motor enables the lead screw assembly to drive the ram type power head to move along the Z-direction guide rail device;
the workbench structure comprises at least two workbench which are arranged side by side along the Y direction, the adjacent workbench is detachably and fixedly connected through a connecting piece,
a plurality of X-direction linear guide rail assemblies which are arranged in parallel are arranged between the workbench structure and the machine tool base, a driving device is arranged on the machine tool base, and the driving device drives the workbench structure to move along the X-direction linear guide rail assemblies.
Preferably: the workbench structure comprises two workbenches which are arranged side by side along the Y direction, namely a first workbench and a second workbench, wherein the first workbench and the second workbench are identical in structure and are symmetrically arranged along the central line of the machine tool base.
Preferably: the connecting piece is a bolt, and adjacent work tables are detachably and fixedly connected through the bolt.
Preferably: the driving device comprises a power device and a transmission assembly, the power device is arranged to be a motor and a speed reducer, the transmission assembly comprises a driving gear and a rack, the rack is fixed at the bottom of the workbench structure and is arranged in parallel with the X-direction linear guide rail assembly, the output end of the power device is provided with the driving gear, and the driving gear is meshed with the rack for transmission.
Preferably: the X-direction linear guide rail assembly comprises a guide groove and a linear guide rail, wherein the linear guide rail is fixed on the machine tool base along the X direction, and the guide groove is correspondingly fixed at the bottom of the workbench structure.
Preferably: the screw assembly comprises a screw and a screw sleeve, the screw is in threaded connection with the screw sleeve, the screw sleeve is fixedly connected with the ram outer shell, the screw outer shell for protecting the screw assembly is fixed on the slide carriage box, a motor mounting seat is fixed on the screw outer shell, a servo motor is mounted on the motor mounting seat, the servo motor drives the screw to rotate, and the screw sleeve drives the ram power head to move in the Z direction.
Preferably: the upper lead screw sleeve and the lower lead screw sleeve are fixed on the first side part and the second side part of the ram outer shell, and the two lead screw sleeves on the first side part and the two lead screw sleeves on the second side part are symmetrically arranged.
Preferably: the beam is provided with a hollow cavity, an anti-deformation beam is arranged in the hollow cavity of the beam, the anti-deformation beam is an H-shaped steel beam, two ends of the H-shaped steel beam are fixedly connected with the beam, the H-shaped steel beam comprises two flange plates and a web plate connected with the two flange plates, an adjusting screw is arranged on the beam, and the adjusting screw is propped against the flange plates of the anti-deformation beam.
Preferably: the beam guide rail comprises a top guide rail and a side guide rail, wherein the top guide rail is arranged at the top of the beam, and the side guide rail is arranged at the side part of the beam.
Preferably: and a horizontal screw rod assembly along the length direction of the cross beam is arranged between the side part of the cross beam and the slide carriage box, and the servo motor drives the horizontal screw rod assembly to drive the slide carriage box to move along the guide rail of the cross beam.
After the technical scheme is adopted, the utility model has the beneficial effects that:
according to the parallel numerical control machine tool, the two driving lifting devices are respectively arranged on the first side part and the second side part of the ram outer shell body, which are opposite, so that the ram type power head moves stably up and down, deflection of the ram type power head during up and down movement is avoided, and the machining precision of the machine tool is improved. And the two balance cylinders are symmetrically arranged at two opposite side parts of the ram outer shell respectively and used for balancing the weight of the large-stroke ram type power head, so that the high-speed and high-precision machining of the machine tool is realized.
The workbench structure of the parallel numerical control machine tool comprises at least two workbench which are arranged side by side along the transverse direction, namely the workbench structure can be arranged to be connected with two workbench side by side, can also be arranged to be connected with three workbench side by side, and can also be arranged to be connected with a plurality of workbench side by side, and the number of the workbench side by side connection is increased or decreased according to the requirement. The adjacent work tables can be detachably and fixedly connected through the connecting piece, and a plurality of parallel longitudinal linear guide rail assemblies are arranged between the work table structure and the machine tool base, so that when the driving device drives the work table structure to move along the longitudinal linear guide rail assemblies, the movement is stable, and the skew is not easy to occur. The workbench structure of the parallel numerical control machine tool can meet the machining of oversized workpieces, and can be used in a combined mode according to the number of the workbenches connected side by side and arranged on the workpieces of different specifications, and can be detached for independent use. After each workstation of workstation structure splits, make the transportation convenient, reduced the lathe to the requirement of transport means and transportation mode, have better application prospect.
In summary, the parallel numerical control machine tool has the advantages that the workbench structure is detachable and used, the transportation and flexible use are convenient, the ram type power head of the parallel numerical control machine tool runs stably in the up-and-down motion process, the ram type power head is not easy to deviate, and the machining precision of the machine tool is improved.
Drawings
FIG. 1 is a schematic diagram of a parallel numerically controlled machine tool according to the present utility model;
FIG. 2 is an enlarged schematic view at Z in FIG. 1;
FIG. 3 is an enlarged schematic view of a ram power head;
FIG. 4 is an enlarged schematic cross-sectional view at A-A of FIG. 1;
in the figure: 1. a cross beam; 101. a hollow cavity; 2. an anti-deformation beam; 201. flange plates; 202. a web; 203. rib plates; 3. a ram type power head; 301. a ram outer housing; 4. adjusting a screw; 5. a carriage box; 6. a balancing cylinder; 7. a servo motor; 8. driving the lifting device; 801. a screw rod; 802. a screw sleeve; 8021. an upper screw sleeve; 8022. a lower screw sleeve; 803. a screw outer housing; 804. a motor mounting seat; l (L) 1 A top rail; l (L) 2 Side rails; s, a horizontal screw rod assembly; 9. a machine tool base; 10. a first work table; 11. a second work table; 12. a connecting piece; 13. an X-direction linear guide rail assembly; 131. a guide groove; 132. a linear guide rail; 14. a power device; 141. a motor; 142. a speed reducer; 15. a transmission assembly; 151. a drive gear; 152. a rack.
Detailed Description
The utility model is described in further detail below with reference to the drawings and examples.
The embodiment of the utility model discloses a parallel numerical control machine tool as shown in fig. 1, which comprises a cross beam 1, a ram type power head 3, a workbench structure and a machine tool base 9, wherein the cross beam 1 is connected with a slide carriage box 5 through a cross beam guide rail, the ram type power head is arranged in the middle of the slide carriage box 5, the workbench structure can move along the X direction relative to the machine tool base 9, a Z-direction feeding structure and two balance cylinders 6 are arranged between the ram type power head and the slide carriage box 5, the Z-direction feeding structure comprises a Z-direction guide rail device and two driving lifting devices 8, the ram type power head comprises a ram outer shell 301, the ram outer shell 301 is arranged as a square body, the driving lifting devices 8 are respectively arranged on a first side part and a second side part which are opposite to the ram outer shell 301, the two balance cylinders 6 are respectively symmetrically arranged on two side parts which are opposite, the two balance cylinders 6 can be respectively arranged on the first side part and the second side part which are opposite, and also can be respectively arranged on a third side part and a fourth side part which are opposite, and the balance cylinders 6 are used for balancing the ram outer shell 301 to realize high-speed machining of the ram type power head. The driving lifting device 8 comprises a screw rod assembly and a servo motor 7, and the servo motor 7 enables the screw rod assembly to drive the ram type power head 3 to move along the Z direction of the Z-direction guide rail device; the workbench structure comprises at least two workbench which are arranged side by side along the Y direction, the adjacent workbench is detachably and fixedly connected through a connecting piece 12, a plurality of X-direction linear guide rail assemblies 13 which are arranged in parallel are arranged between the workbench structure and the machine tool base 9, a driving device is arranged on the machine tool base 9, and the driving device drives the workbench structure to move along the X-direction linear guide rail assemblies 13. The numerical control gantry boring and milling machine tool comprises a workbench structure and a machine tool base 9, wherein the workbench structure can longitudinally move relative to the machine tool base 9 and comprises at least two workbench bodies which are transversely arranged side by side, namely, the workbench structure can be arranged to be connected side by side and can also be arranged to be connected side by side, and a plurality of workbench bodies can also be arranged to be connected side by side, so that the number of the workbench bodies connected side by side can be increased or decreased according to the requirement.
As shown in fig. 2, the workbench structure comprises two workbench arranged side by side along the Y direction, namely a first workbench 10 and a second workbench 11, wherein the first workbench 10 and the second workbench 11 have the same structure and are symmetrically arranged along the central line of the machine tool base 9.
The connecting piece 12 is a bolt, and adjacent work tables are detachably and fixedly connected through the bolt. The adjacent work tables are connected through bolts, so that the installation and the disassembly are convenient.
The driving device comprises a power device 14 and a transmission assembly 15, the power device 14 is arranged into a motor 141 and a speed reducer 142, the transmission assembly 15 comprises a driving gear 151 and a rack 152, the rack 152 is fixed at the bottom of the workbench structure and is arranged in parallel with the X-direction linear guide rail assembly 13, the output end of the power device is provided with the driving gear 151, and the driving gear 151 is meshed with the rack 152 for transmission. The gear and rack meshing transmission is adopted, so that the workbench structure is stably transmitted relative to the machine tool base 9 when moving along the longitudinal linear guide rail assembly.
The X-direction linear guide assembly 13 includes a guide groove 131 and a linear guide 132, the linear guide 132 is fixed to the machine bed base 9 along the X-direction, and the guide groove 131 is correspondingly fixed to the bottom of the table structure.
As shown in fig. 3 and 4, the screw assembly includes a screw 801 and a screw sleeve 802, the screw 801 is in threaded connection with the screw sleeve 802, the screw sleeve 802 is fixedly connected with the ram outer shell 301, a screw outer shell 803 for protecting the screw assembly is fixed on the carriage 5, a motor mounting seat 804 is fixed on the screw outer shell 803, a servo motor 7 is mounted on the motor mounting seat 804, the servo motor 7 drives the screw 801 to rotate, and the screw sleeve 802 drives the ram power head to move in the Z direction.
An upper screw sleeve 8021 and a lower screw sleeve 8022 are fixed on both the first side and the second side of the ram outer housing 301, and the two screw sleeves on the first side are symmetrically arranged with the two screw sleeves on the second side.
The ram type power head is longitudinally moved up and down by utilizing the two driving lifting devices, and the two driving lifting devices are respectively arranged on the first side part and the second side part which are opposite to each other of the ram shell body, so that the up-and-down movement of the ram type power head is stable, the deflection of the ram type power head during the up-and-down movement is avoided, and the machining precision of a machine tool is improved.
As shown in fig. 4, the cross beam 1 is provided with a hollow cavity 101, the deformation-preventing beam 2 is disposed in the hollow cavity 101 of the cross beam, the deformation-preventing beam 2 is an H-shaped steel beam, two ends of the H-shaped steel beam are fixedly connected with the cross beam 1, two ends of the H-shaped steel beam are welded and fixed with the cavity bottom wall of the hollow cavity, the H-shaped steel beam comprises two flange plates 201 and a web 202 connected with the two flange plates, along the length direction of the H-shaped steel beam, for further enhancing the strength of the H-shaped steel beam, a plurality of rib plates 203 are welded on the web 202 at intervals, and two ends of each rib plate 203 extend to two flange plates 201. The deformation-preventing beam can strengthen the strength of the cross beam 1, prevent the cross beam 1 from sagging due to the weight of the cross beam 1 or the weight of the slide carriage 5, generate overlarge deflection deformation and improve the machining precision of a machine tool. The beam 1 is provided with an adjusting screw 4, and the adjusting screw 4 is propped against the flange plate 201 close to the beam 1. The adjusting screw 4 is propped against the H-shaped steel beam through the dish-shaped elastic sheet. The adjusting screw 4 can be arranged at the top of the beam 1 or at the bottom of the beam 1 for adjusting the deflection of the beam 1. The deflection of the cross beam 1 can be effectively balanced through the adjusting screw 4, the straightness of the slide carriage box 5 moving on the cross beam 1 is improved, meanwhile, vibration generated by cutting processing can be transmitted to the deformation-preventing beam through the slide carriage box 5 through the adjusting screw 4, the vibration absorption is accelerated, and the machining precision of a machine tool is improved. Further, the disc-shaped spring plate can absorb part of vibration.
The beam rail includes a top rail L 1 And a side guide L 2 Top rail L 1 Is arranged on the top of the cross beam 1 and is provided with a side guide rail L 2 Is provided on the side of the cross beam 1. The guide mode is smoother than the mode that two groups of guide rails are arranged on the side parts to run, and the service life is longer, because the cross beam 1 can bear most of the weight from the slide carriage box 5, deformation caused by overload of the side guide rails is avoided, and the slide carriage box 5 is not smooth to run.
A horizontal screw rod assembly S along the length direction of the cross beam 1 is arranged between the side part of the cross beam 1 and the slide carriage box 5, and the servo motor 7 drives the horizontal screw rod assembly S to drive the slide carriage box 5 to move along the cross beam guide rail.
According to the parallel numerical control machine tool, the two driving lifting devices are respectively arranged on the first side part and the second side part of the ram outer shell body, which are opposite, so that the ram type power head moves stably up and down, deflection of the ram type power head during up and down movement is avoided, and the machining precision of the machine tool is improved. The ultra-wide workbench can meet the machining of ultra-large workpieces, and can be used in a combined mode according to the number of the workbenches connected side by side and the number of the workbenches connected side by side. After each workstation of workstation structure splits, make the transportation convenient, reduced the lathe to the requirement of transport means and transportation mode, have better application prospect.
While the utility model has been described in detail with reference to the drawings, it will be understood by those skilled in the art that the utility model is not limited to the foregoing embodiments, but various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (10)
1. The utility model provides a parallel numerical control machine, includes crossbeam, ram formula unit head, workstation structure and lathe base, the crossbeam is connected with the carriage apron through the crossbeam guide rail, the ram formula unit head set up in the middle part of carriage apron, the workstation structure can be relative the lathe base is along X to removing its characterized in that:
the Z-direction feeding structure comprises a Z-direction guide rail device and two driving lifting devices, the ram type power head comprises a ram outer shell, the ram outer shell is square, the driving lifting devices are respectively arranged on a first side part and a second side part which are opposite, the two balancing cylinders are respectively symmetrically arranged on the two side parts which are opposite, the driving lifting devices comprise a lead screw assembly and a servo motor, and the servo motor enables the lead screw assembly to drive the ram type power head to move along the Z-direction guide rail device;
the workbench structure comprises at least two workbench which are arranged side by side along the Y direction, the adjacent workbench is detachably and fixedly connected through a connecting piece,
a plurality of X-direction linear guide rail assemblies which are arranged in parallel are arranged between the workbench structure and the machine tool base, a driving device is arranged on the machine tool base, and the driving device drives the workbench structure to move along the X-direction linear guide rail assemblies.
2. The parallel numerically controlled machine tool as in claim 1, wherein: the workbench structure comprises two workbenches which are arranged side by side along the Y direction, namely a first workbench and a second workbench, wherein the first workbench and the second workbench are identical in structure and are symmetrically arranged along the central line of the machine tool base.
3. The parallel numerically controlled machine tool as in claim 1, wherein: the connecting piece is a bolt, and adjacent work tables are detachably and fixedly connected through the bolt.
4. The parallel numerically controlled machine tool as in claim 1, wherein: the driving device comprises a power device and a transmission assembly, the power device is arranged to be a motor and a speed reducer, the transmission assembly comprises a driving gear and a rack, the rack is fixed at the bottom of the workbench structure and is arranged in parallel with the X-direction linear guide rail assembly, the output end of the power device is provided with the driving gear, and the driving gear is meshed with the rack for transmission.
5. The parallel numerically controlled machine tool as in claim 1, wherein: the X-direction linear guide rail assembly comprises a guide groove and a linear guide rail, wherein the linear guide rail is fixed on the machine tool base along the X direction, and the guide groove is correspondingly fixed at the bottom of the workbench structure.
6. The parallel numerically controlled machine tool as in claim 1, wherein: the screw assembly comprises a screw and a screw sleeve, the screw is in threaded connection with the screw sleeve, the screw sleeve is fixedly connected with the ram outer shell, the screw outer shell for protecting the screw assembly is fixed on the slide carriage box, a motor mounting seat is fixed on the screw outer shell, a servo motor is mounted on the motor mounting seat, the servo motor drives the screw to rotate, and the screw sleeve drives the ram power head to move in the Z direction.
7. The parallel numerically controlled machine tool as in claim 6, wherein: the upper lead screw sleeve and the lower lead screw sleeve are fixed on the first side part and the second side part of the ram outer shell, and the two lead screw sleeves on the first side part and the two lead screw sleeves on the second side part are symmetrically arranged.
8. The parallel numerically controlled machine tool as in claim 1, wherein: the beam is provided with a hollow cavity, an anti-deformation beam is arranged in the hollow cavity of the beam, the anti-deformation beam is an H-shaped steel beam, two ends of the H-shaped steel beam are fixedly connected with the beam, the H-shaped steel beam comprises two flange plates and a web plate connected with the two flange plates, an adjusting screw is arranged on the beam, and the adjusting screw is propped against the flange plates of the anti-deformation beam.
9. The parallel numerically controlled machine tool as in claim 1, wherein: the beam guide rail comprises a top guide rail and a side guide rail, wherein the top guide rail is arranged at the top of the beam, and the side guide rail is arranged at the side part of the beam.
10. The parallel numerically controlled machine tool as in claim 1, wherein: and a horizontal screw rod assembly along the length direction of the cross beam is arranged between the side part of the cross beam and the slide carriage box, and the servo motor drives the horizontal screw rod assembly to drive the slide carriage box to move along the guide rail of the cross beam.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321333480.4U CN219582170U (en) | 2023-05-26 | 2023-05-26 | Parallel numerical control machine tool |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321333480.4U CN219582170U (en) | 2023-05-26 | 2023-05-26 | Parallel numerical control machine tool |
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| CN219582170U true CN219582170U (en) | 2023-08-25 |
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| CN202321333480.4U Active CN219582170U (en) | 2023-05-26 | 2023-05-26 | Parallel numerical control machine tool |
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| CN (1) | CN219582170U (en) |
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2023
- 2023-05-26 CN CN202321333480.4U patent/CN219582170U/en active Active
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