CN113245866A - Five-axis machining center of horizontal cradle milling machine - Google Patents
Five-axis machining center of horizontal cradle milling machine Download PDFInfo
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- CN113245866A CN113245866A CN202110647761.6A CN202110647761A CN113245866A CN 113245866 A CN113245866 A CN 113245866A CN 202110647761 A CN202110647761 A CN 202110647761A CN 113245866 A CN113245866 A CN 113245866A
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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
- B23Q1/25—Movable or adjustable work or tool supports
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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
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0042—Devices for removing chips
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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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/155—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
-
- 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
- B23Q37/00—Metal-working machines, or constructional combinations thereof, built-up from units designed so that at least some of the units can form parts of different machines or combinations; Units therefor in so far as the feature of interchangeability is important
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Abstract
The invention relates to a five-axis machining center of a horizontal cradle milling machine, belonging to the technical field of numerical control machining equipment. The structure is as follows: the bed body is of a rectangular frame structure, the back of the bed body is provided with X-direction guide rails which are parallel up and down, the upright post is of an arch structure, and the upper X-direction guide rail and the lower X-direction guide rail are connected with the upper end and the lower end of the upright post through an X-axis transmission mechanism; and a Y-axis transmission system is arranged on the upright post and is connected with a Z-axis transmission system through a sliding plate, the Z-axis transmission system is connected with a ram, and a main shaft on the ram penetrates through the rectangular frame. The front end platform of the lathe bed is provided with a composite turntable, and the overturning transmission system and the rotating transmission system are integrated on the composite turntable. The machining center takes a cubic frame as a machine tool main body, and all functional components are assembled around the frame, so that the rigidity and the precision consistency of the machine tool are improved; the upright post is laterally hung on the back of the lathe bed to improve the dynamic precision and the cutting performance; the linear motion axis and the rotary motion axis are separated, so that the shape error accumulation of the tool point is avoided, and the product precision is improved.
Description
Technical Field
The invention relates to a five-axis machining center of a horizontal cradle milling machine, belonging to the technical field of numerical control machining equipment.
Background
The manufacturing technology of the high-grade numerical control machine tool is an important mark for measuring the national comprehensive national strength and the industrial modernization degree. With the capacity upgrading of high-end manufacturing industry, the market demand for diversity of high-end machine tools is continuously increased, and the requirements for indexes such as performance and precision are continuously improved. The high-grade machine tool with excellent product research and development force and strong pertinence is a core competition point of machine tool manufacturers. In the field of aviation manufacturing, the machining of complex structural parts requires equipment to have the capability of curved surface composite machining, and the manufacturing precision of the equipment is improved.
The bottom of an upright post of an existing milling and turning five-axis machining center is directly installed on a machine tool platform, a ram drives a main shaft to run on the upright post, and the upright post can generate bending deflection due to heavy weight of the ram, so that the machining precision of a product is directly influenced. Meanwhile, the installation standards of all the shafts are different, accumulated errors can be generated on the assembled machine tool, and the machining precision of products can be reduced.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a five-axis machining center of a horizontal cradle milling machine, wherein the machining center takes a cubic frame as a machine tool main body, and all functional components are assembled around the frame, so that the rigidity and the precision consistency of the machine tool are improved; the upright post is laterally hung on the back of the lathe bed to improve the dynamic precision and the cutting performance; the linear motion axis and the rotary motion axis are separated, so that the shape error accumulation of the tool point is avoided, and the product precision is improved.
In order to solve the above problems, the specific technical scheme of the invention is as follows: a five-axis machining center of a horizontal cradle milling machine is characterized in that a bed body is of a rectangular frame structure, X-axis guide rails which are parallel up and down are arranged on the back surface of the rectangular frame of the bed body, a stand column is of an arch structure, and the upper X-axis guide rail and the lower X-axis guide rail are connected with the upper end and the lower end of the stand column through an X-axis transmission mechanism; the upright post is provided with a Y-axis transmission system and a Y-axis guide rail, the sliding plate is connected with the Y-axis guide rail in a sliding manner, the Y-axis transmission system is connected with a Z-axis transmission system through the sliding plate, the Z-axis transmission system is connected with the ram, the ram penetrates through the rectangular frame, and the front end of the ram is connected with the main shaft.
The front side of the rectangular frame of the lathe bed is provided with a platform, the platform is provided with a cradle type composite turntable, two sides of the cradle type composite turntable are connected with motor bases with opposite output shafts, the output shafts of the two motor bases are coaxial and parallel to the platform, and the middle of the cradle type composite turntable is provided with a circular workbench; a group of torque motors are respectively arranged in the motor bases and drive the workbench to turn around the X axis; the bottom of the workbench is provided with a torque motor which drives the workbench to rotate around the Y axis.
Two wall-type armors which stretch left and right and two wall-type armors which stretch up and down are arranged in the rectangular frame of the lathe bed, four wall-type armors form a rectangular main shaft through hole, and the end part of the ram extends out of the main shaft through hole; install the ram in main shaft via hole periphery and scrape the bits frame, the ram is scraped trilateral inseparable parcel ram of bits frame to form the slip with the ram laminating and scrape the bits board, the ram is scraped surplus one side of bits frame and is open structure, and is equipped with the Z axle safety cover in open department, and the Z axle safety cover is connected with Z axle transmission system, is equipped with the scraper blade at Z axle safety cover tip, and the scraper blade is scraped the bits frame with the ram and is connected.
And the upper part of the left side of the front of the rectangular frame of the lathe bed is provided with a chain type tool magazine.
The bottom of the lathe bed is provided with a funnel-shaped chip removal port, and chips are discharged through a chain plate chip removal device.
An embedded hydraulic installation bin is arranged on the left side of the front face of the rectangular frame of the lathe bed; the right side of the front face of the rectangular frame of the lathe bed is provided with an electric cabinet.
According to the five-axis machining center of the horizontal cradle milling machine, three linear axes take the cubic frame as a machine tool main body, and the dynamic precision and the cutting performance are improved; two curvilinear motion shafts are integrated, are directly arranged in the lathe bed frame, can perform overturning motion around an X shaft and perform rotating motion around a Y shaft, and accordingly five-shaft linkage is achieved.
The accuracy consistency of the machine tool is improved by integrating all functional components on the rectangular frame body. By separating the three linear shafts from the two rotating shafts, the error accumulation of the machining tool point is avoided; the automatic tool changing mechanism is more compact by using the automatic tool claw mechanism of the main shaft.
In conclusion, the horizontal five-axis machining center disclosed by the invention has a compact structure and exquisite functional component arrangement, can effectively improve the structural rigidity of the machine tool and improve the dynamic performance of the machine tool; the integrated structure is convenient for the assembly and the integrated delivery of the whole machine, and is a rare product in the current market environment.
Drawings
Fig. 1 is an overall structural schematic diagram of a five-axis machining center of a horizontal cradle milling machine.
Fig. 2 is another view of the overall structure of the five-axis machining center of the horizontal cradle milling machine.
Figure 3 is a schematic representation of the attachment of wall armor to other structures.
Fig. 4 is a schematic connection diagram of the ram shavings frame.
Detailed Description
As shown in fig. 1 and 2, in the five-axis machining center of the horizontal cradle milling machine, a machine body 1 is of a rectangular frame structure, all functional components are assembled around a machine body frame, and meanwhile, when the machine body frame is machined, the integrity of an assembly size chain of each component is ensured through a uniform machining standard. The back of a rectangular frame of the lathe bed 1 is provided with X-axis guide rails 10 which are parallel up and down, the upright post 2 is of an arch structure, the upper X-axis guide rail 10 and the lower X-axis guide rail 10 are connected with the upper end and the lower end of the upright post 2 of the arch structure through an X-axis transmission mechanism 8, and the upper X-axis guide rail and the lower X-axis guide rail are respectively assembled with a group of transmission systems to be driven synchronously, so that the upright post assembly can be ensured, and the dynamic performance can be improved; compared with the traditional splicing type and modular lapping structure, the structure has better self rigidity and precision consistency.
The upright post 2 is provided with a Y-axis transmission system 11 and a Y-axis guide rail 12, the sliding plate 3 is in sliding connection with the Y-axis guide rail 12, the Y-axis transmission system 11 is connected with a Z-axis transmission system 14 through the sliding plate 3, the Z-axis transmission system 14 is connected with the ram 4, the ram 4 penetrates through the rectangular frame, and the front end of the ram 4 is connected with a main shaft 18. The ram and the sliding plate are connected with the upright post through a group of transmission systems and are in a cross state. The lower upright post of the structure is opened like an arch, and the ram drives the main shaft to horizontally extend out to process a workpiece. Compared with the traditional sitting type upright post, the load of the transmission mechanism at the bottom of the upright post is reduced, so that the upper transmission mechanism and the lower transmission mechanism can synchronously move, and the dynamic precision is improved. The side hanging of the upright post and the bed body can balance the gravity center of the whole structure. In addition, the mounting surfaces of the upper guide rail sliding block and the lower guide rail sliding block are perpendicular to the feeding force, so that the structure can be guaranteed to have higher spindle cutting resistance.
The front side of a rectangular frame of the lathe bed 1 is provided with a platform, the platform is provided with a cradle type composite turntable 5, two sides of the cradle type composite turntable 5 are connected with motor bases 5-1 with output shafts opposite, the output shafts of the two motor bases 5-1 are coaxial and parallel to the platform, and the middle of the cradle type composite turntable 5 is provided with a circular workbench 5-2; a group of torque motors are respectively arranged in the motor bases 5-1 and drive the workbench 5-2 to turn around an X axis; the bottom of the workbench 5-2 is provided with a group of torque motors for driving the workbench to rotate around a Y axis, the rotation of the workbench around the Y axis is expressed according to the zero position of a machine tool coordinate system, and during actual movement, the rotation axis of the workbench 5-2 is always vertical to the X axis of the cradle type composite turntable 5 to rotate; the structure physically separates two rotating motion shafts from three linear motion shafts, the rotary table drives the workpiece, the linear shafts drive the main shaft to perform linkage cutting processing, the linear motion shafts are separated from the rotating motion shafts, and the shape error accumulation of a tool point is avoided.
As shown in fig. 3 and 4, two wall-type armors 16 which stretch left and right and two wall-type armors which stretch up and down are arranged in a rectangular frame of the lathe bed 1, four wall-type armors 16 form a rectangular main shaft through hole, and the end part of the ram 4 extends out of the main shaft through hole; install the ram in main shaft via hole periphery and scrape bits frame 15, the ram scrapes trilateral ram 4 that closely wraps up of bits frame 15 to form the slip scraping plate with the laminating of ram 4, the ram scrapes bits frame 15 surplus one side and is open structure, and is equipped with Z axle safety cover 20 in open department, Z axle safety cover 20 is connected with Z axle transmission system 14, be equipped with scraper blade 17 at Z axle safety cover 20 tip, scraper blade 17 scrapes bits frame 15 with the ram and is connected, scrape the bits to Z axle safety cover 20 realization. Wall-type armors are often used to separate machine tool machining areas from functional component areas, but ram is required to pass through the wall-type armors to drive the spindle to and from the two areas, so that chip impurities often invade the functional component areas. Often, a certain side of the ram is provided with a movement mechanism, and scraping scraps are difficult to seal. This patent has designed a bits structure is scraped to trilateral fixed portable ram in one side, scrapes bits frame parcel promptly and lives the ram, and its three sides is arranged and is scraped the tongue, scrapes the bits when the ram removes, and ram lead screw installation face has a set of Z axle safety cover 20, and scraper blade 17 realizes scraping the bits when Z axle safety cover 20 removes along with the ram.
The upper part of the rectangular frame of the lathe bed 1 is provided with a chain type tool magazine 6; the main shaft 18 autonomously moves to a tool changing point set by a system through an automatic tool changing program, and is matched with the tool magazine 6 to carry out tool handover, and the tool changing point is positioned on the tool magazine 6; when the tool is changed, the main shaft, the tool and the tool magazine clamping jaws are positioned on the same axis, the tool releasing devices are arranged on the main shaft and the tool magazine clamping jaws, and the hydraulic system controls the two groups of releasing devices to be alternately matched for tool handover. Therefore, the traditional manipulator tool changing mechanism is replaced, and the tool changing failure rate can be reduced. The bottom of the lathe bed 1 is provided with a funnel-shaped chip removal port, and chips are discharged through a chain plate chip remover 7. An embedded hydraulic installation bin is arranged on the left side of the front face of the rectangular frame of the lathe bed 1; the electrical cabinet is arranged on the right side of the front face of the rectangular frame of the lathe bed 1, and the design concept of electro-hydraulic separation is realized.
The invention relates to a five-axis machining center of a horizontal cradle milling machine, which mainly belongs to the application field of milling and turning of aviation and automobile structural parts, manufacturing of dies and tools, mechanical manufacturing and various parts in energy technology, in particular to the machining of parts with complex curved surface structures. The series of machine tools can be used for rough machining and finish machining of aluminum, steel, titanium and other common materials. According to the different expansibility of machine tool series, the design bears about one ton, and can meet the processing of light or heavy medium and small parts. The machine tool is mainly used for milling and assists in machining processes such as turning, boring, drilling and the like.
Claims (6)
1. A five-axis machining center of a horizontal cradle milling machine is characterized in that: the lathe bed (1) is of a rectangular frame structure, the back surface of the rectangular frame of the lathe bed (1) is provided with X-axis guide rails (10) which are parallel up and down, the upright post (2) is of an arch structure, and the upper X-axis guide rail (10) and the lower X-axis guide rail (10) are connected with the upper end and the lower end of the upright post (2) through an X-axis transmission mechanism (8); the Y-axis transmission system (11) and the Y-axis guide rail (12) are arranged on the upright post (2), the sliding plate (3) is connected with the Y-axis guide rail (12) in a sliding mode, the Y-axis transmission system (11) is connected with the Z-axis transmission system (14) through the sliding plate (3), the Z-axis transmission system (14) is connected with the ram (4), the ram (4) penetrates through the rectangular frame, and the front end of the ram (4) is connected with the main shaft (18).
2. The five-axis machining center of the horizontal cradle milling machine according to claim 1, wherein: the front side of a rectangular frame of the lathe bed (1) is provided with a platform, the platform is provided with a cradle type composite turntable (5), two sides of the cradle type composite turntable (5) are connected with motor bases (5-1) with output shafts opposite, the output shafts of the two motor bases (5-1) are coaxial and are parallel to the platform, and the middle of the cradle type composite turntable (5) is provided with a circular workbench (5-2); a group of torque motors are respectively arranged in the motor bases (5-1) and drive the workbench (5-2) to turn around an X axis; the bottom of the working table (5-2) is provided with a torque motor which drives the working table to rotate around the Y axis.
3. The five-axis machining center of the horizontal cradle milling machine according to claim 1, wherein: two wall-type armors (16) which stretch left and right and two wall-type armors which stretch up and down are arranged in a rectangular frame of the lathe bed (1), four wall-type armors (16) form a rectangular main shaft through hole, and the end part of the ram (4) extends out of the main shaft through hole; install the ram in main shaft via hole periphery and scrape bits frame (15), the ram scrapes trilateral inseparable parcel ram (4) of bits frame (15), and form slip scraping plate with ram (4) laminating, the ram scrapes bits frame (15) surplus one side and is open structure, and be equipped with Z axle safety cover (20) in open department, Z axle safety cover (20) are connected with Z axle transmission system (14), be equipped with scraper blade (17) at Z axle safety cover (20) tip, scraper blade (17) scrape bits frame (15) with the ram and are connected.
4. The five-axis machining center of the horizontal cradle milling machine according to claim 1, wherein: the upper part of the left side of the front face of the rectangular frame of the lathe bed (1) is provided with a chain type tool magazine (6).
5. The five-axis machining center of the horizontal cradle milling machine according to claim 1, wherein: the bottom of the lathe bed (1) is provided with a funnel-shaped chip removal port, and chips are discharged through a chain plate chip remover (7).
6. The five-axis machining center of the horizontal cradle milling machine according to claim 1, wherein: an embedded hydraulic mounting bin is arranged on the left side of the front face of the rectangular frame of the lathe bed (1); the right side of the front face of the rectangular frame of the lathe bed (1) is provided with an electric cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110647761.6A CN113245866A (en) | 2021-06-10 | 2021-06-10 | Five-axis machining center of horizontal cradle milling machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110647761.6A CN113245866A (en) | 2021-06-10 | 2021-06-10 | Five-axis machining center of horizontal cradle milling machine |
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| Publication Number | Publication Date |
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| CN113245866A true CN113245866A (en) | 2021-08-13 |
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| CN202110647761.6A Pending CN113245866A (en) | 2021-06-10 | 2021-06-10 | Five-axis machining center of horizontal cradle milling machine |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102407460A (en) * | 2011-12-15 | 2012-04-11 | 翁强 | High-cleanness multilayer chip scraping device |
| CN102672472A (en) * | 2012-02-23 | 2012-09-19 | 广州市技师学院 | Small-sized five-axis machining center |
| CN108311904A (en) * | 2018-03-30 | 2018-07-24 | 科德数控股份有限公司 | A kind of five axis Compositions of metal-working machines of horizontal cradle structure |
| CN108326628A (en) * | 2018-01-16 | 2018-07-27 | 宁夏共享机床辅机有限公司 | A kind of machine shield with precision holding effect |
| DE202018105721U1 (en) * | 2018-10-05 | 2020-01-20 | Fruitcore Gmbh | Robot with drive element on the main shaft and operating device for a robot |
| CN110774047A (en) * | 2020-01-02 | 2020-02-11 | 广东原点智能技术有限公司 | Horizontal five-axis machining center |
| CN211277384U (en) * | 2019-09-11 | 2020-08-18 | 宁波海天精工股份有限公司 | Horizontal five-axis machining center of board turns over |
-
2021
- 2021-06-10 CN CN202110647761.6A patent/CN113245866A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102407460A (en) * | 2011-12-15 | 2012-04-11 | 翁强 | High-cleanness multilayer chip scraping device |
| CN102672472A (en) * | 2012-02-23 | 2012-09-19 | 广州市技师学院 | Small-sized five-axis machining center |
| CN108326628A (en) * | 2018-01-16 | 2018-07-27 | 宁夏共享机床辅机有限公司 | A kind of machine shield with precision holding effect |
| CN108311904A (en) * | 2018-03-30 | 2018-07-24 | 科德数控股份有限公司 | A kind of five axis Compositions of metal-working machines of horizontal cradle structure |
| DE202018105721U1 (en) * | 2018-10-05 | 2020-01-20 | Fruitcore Gmbh | Robot with drive element on the main shaft and operating device for a robot |
| CN211277384U (en) * | 2019-09-11 | 2020-08-18 | 宁波海天精工股份有限公司 | Horizontal five-axis machining center of board turns over |
| CN110774047A (en) * | 2020-01-02 | 2020-02-11 | 广东原点智能技术有限公司 | Horizontal five-axis machining center |
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Application publication date: 20210813 |
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