CN110722398A - Cooling system of five-axis milling and turning combined machining center - Google Patents
Cooling system of five-axis milling and turning combined machining center Download PDFInfo
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- CN110722398A CN110722398A CN201911038874.5A CN201911038874A CN110722398A CN 110722398 A CN110722398 A CN 110722398A CN 201911038874 A CN201911038874 A CN 201911038874A CN 110722398 A CN110722398 A CN 110722398A
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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
- B23Q11/12—Arrangements for cooling or lubricating parts of the machine
- B23Q11/126—Arrangements for cooling or lubricating parts of the machine for cooling only
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Abstract
The invention discloses a cooling system of a five-axis milling and turning composite machining center, which comprises a screw rod and a motor, wherein the motor is connected with a motor base through a transition plate, the transition plate is in a rectangular plate structure, the center of the transition plate is provided with a through hole for the screw rod to pass through, a first cooling channel is arranged in the transition plate, the first cooling channel is in a diamond structure, the top of the first cooling channel is staggered and is respectively connected with a water inlet and a water outlet, the motor base is in a U-shaped tubular structure with an opening at the top, two ends of the motor base extend outwards to form a mounting side plate, one end of the motor base is a rectangular end of a rectangular structure fixedly connected with the transition plate, the other end of the motor base is a circular ring end of a circular ring structure, a second cooling channel of a U, the water outlet is connected with the second cooling channel, a spiral third cooling channel is arranged in the rectangular end, and a conduction channel is arranged in the mounting side plate and is connected with the second cooling channel and the third cooling channel. A circulating system is designed at the moving shaft part, so that the thermal error of the machine tool is reduced.
Description
Technical Field
The invention relates to a composite processing machine tool, in particular to a cooling system of a five-axis milling and turning composite processing center.
Background
In precision and ultra-precision machining, the influence of thermal error is very serious, and the thermal error is the largest error source influencing the stability of the machining precision of a machine tool and accounts for 40-70% of the total error of the machine tool. Compared with a three-axis machine tool, the five-axis machine tool can machine various complex curved surfaces, has higher efficiency, and is widely applied to the industries of aerospace, automobiles, molds and the like. However, the heat source of the five-axis machine tool is increased, so that the thermal error of the machine tool is increased.
The motion shaft of the five-axis numerical control machine tool is driven by a driving motor, the motor can generate heat during operation, the motion shaft moves to cause friction heat among a lead screw, a bearing and a mounting seat, and the heat can be transferred to a machine tool. Therefore, the five-axis numerical control machine tool has more heat in the machining process, the heat remained in the machining system can cause the deformation of the cutter relative to the workpiece, and therefore, the reduction of the thermal error is very important for improving the machining precision of the machine tool.
In view of the above, the present inventors have intensively studied and actively sought solutions to the above problems, and have successfully developed the cooling system of the five-axis milling and turning combined machining center of the present invention to solve the problems in the prior art.
Disclosure of Invention
The invention aims to solve the technical problem of providing a cooling system of a five-axis milling and turning composite machining center, wherein a circulating system is designed at a moving shaft part, so that the thermal error of a machine tool is reduced.
The technical scheme adopted by the invention for solving the technical problems is as follows: the cooling system of the five-axis milling and turning combined machining center comprises a lead screw and a motor connected with the lead screw, wherein the motor is connected with a motor base through a transition plate, the transition plate is of a rectangular plate structure, a through hole for the lead screw to pass through is formed in the center of the transition plate, a first cooling channel is arranged in the transition plate, the first cooling channel is of a diamond structure, the top of the first cooling channel is staggered with the top of the first cooling channel to be respectively connected with a water inlet and a water outlet, the motor base is of a U-shaped tubular structure with an opening at the top, two ends of the motor base outwards extend to form an installation side plate, one end of the motor base is a rectangular end of a rectangular structure fixedly connected with the transition plate, the other end of the motor base is a circular ring end of a circular ring structure, a second cooling channel of a U-shaped structure is arranged inside the circular ring end, two sides of the circular ring end are respectively provided with the water inlet and the, a conduction channel is arranged in the mounting side plate and is connected with the second cooling channel and the third cooling channel.
Further preferred embodiments of the present invention: the third cooling channel is bent in a spring-shaped spiral mode, the third cooling channel is coaxial with the lead screw, the head portion of the third cooling channel is connected with one conducting channel, and the tail portion of the third cooling channel is connected with the other conducting channel.
Further preferred embodiments of the present invention: the temperature control oil device is characterized by further comprising a temperature control oil device, the water inlet is connected with a water outlet pipe of the temperature control oil device, the water outlet is connected with a water inlet pipe of the temperature control oil device, and a heating assembly and a cooling assembly are arranged in the temperature control oil device.
Further preferred embodiments of the present invention: the screw rod is sleeved with the nut, and the nut is installed on the nut seat.
Further preferred embodiments of the present invention: the nut seat is of a tubular structure and is internally provided with a fourth cooling channel.
Further preferred embodiments of the present invention: the nut seat comprises an upper water path and a lower water path which are arranged on the left side and the right side of the nut seat, the upper water path and the lower water path are horizontally arranged, two upper water paths are communicated, two lower water paths are communicated, one upper water path is connected with a water outlet, one lower water path is connected with a water inlet, and the other lower water path is communicated with the other upper water path.
Further preferred embodiments of the present invention: the left end of the lead screw is connected with the motor, the right end of the lead screw is sleeved with the bearing, and the bearing is installed on the bearing seat.
Further preferred embodiments of the present invention: and a fifth cooling channel is arranged in the bearing seat.
Further preferred embodiments of the present invention: the bearing seat is of a circular ring-shaped structure, and the fifth cooling channel is arranged around the axis of the bearing seat.
Further preferred embodiments of the present invention: the right side of motor cabinet set up the crashproof cushion, the left side of bearing frame set up the crashproof cushion.
Compared with the prior art, the invention has the advantages that the motor can generate heat in the working process, and the generated heat can be transferred to the machine tool through the screw rod. According to the invention, the transition plate is internally provided with the first cooling channel which is in a rhombic structure and is respectively connected with the water inlet and the water outlet, and cooling liquid enters the first cooling channel from the water inlet, winds the through hole in the first cooling channel for a circle and then is discharged from the water outlet, so that cooling is realized. The invention also designs a motor base structure and a U-shaped tubular structure with an opening at the top of the motor base. The motor cabinet open-top has set up the thermovent in other words, helps the heat dissipation of structures such as lead screw, motor. This practicality will be used for the part setting of installation in the both sides of motor cabinet to design the conduction channel on the installation curb plate, will have the coolant liquid to pass through in the conduction channel, both realized the installation of motor cabinet, have good cooling radiating effect again. The rectangular end is internally provided with a spiral third cooling channel, so that the flow of the cooling liquid entering the rectangular section is increased, the time for the cooling liquid to pass is increased, and a good cooling effect is achieved. The second cooling channel with the U-shaped structure is arranged inside the circular ring end, so that the connection between the water inlet and the water outlet is completed, and a good cooling effect is achieved. The conduction channel connects the second cooling channel and the third cooling channel. The design of the channel in the motor base completes a whole cooling cycle. The structure design of the invention can effectively reduce the thermal error of the machine tool and improve the processing precision of the five-axis milling and turning composite processing center.
Drawings
The present invention will be described in further detail below with reference to the drawings and preferred embodiments, but those skilled in the art will appreciate that the drawings are only drawn for the purpose of illustrating the preferred embodiments and therefore should not be taken as limiting the scope of the invention. Furthermore, unless specifically stated otherwise, the drawings are merely schematic representations based on conceptual representations of elements or structures depicted and may contain exaggerated displays and are not necessarily drawn to scale.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a motor base portion;
FIG. 3 is a cross-sectional view of section AA in FIG. 1;
FIG. 4 is a cross-sectional view of section BB of FIG. 1;
FIG. 5 is a cross-sectional view of section CC of FIG. 1;
fig. 6 is a cross-sectional view of section DD of fig. 1.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1 to 6: a cooling system of a five-axis milling and turning combined machining center comprises a screw rod 1 and a motor 2 connected with the screw rod 1, wherein the motor 2 is connected with a motor base 5 through a transition plate 3, the transition plate 3 is of a rectangular plate structure, a through hole for the screw rod 1 to pass through is formed in the center of the transition plate 3, a first cooling channel 11 is arranged in the transition plate 3, the first cooling channel 11 is of a diamond structure, the top of the first cooling channel is staggered and is respectively connected with a water inlet and a water outlet, the motor base 5 is of a U-shaped tubular structure with an open top, two ends of the motor base 5 extend outwards to form a mounting side plate 4, one end of the motor base 5 is a rectangular end 5a of a rectangular structure fixedly connected with the transition plate 3, the other end of the motor base 5 is a circular ring end 5b of a circular ring structure, a U-shaped second cooling channel 12 is arranged in the circular ring end 5b, a water, a spiral third cooling passage 13 is provided in the rectangular end 5a, and a conduction passage 16 is provided in the mounting-side plate 4 to connect the second cooling passage 12 and the third cooling passage 13.
The third cooling channel 13 is bent spirally in a spring shape, the third cooling channel 13 is coaxial with the screw rod 1, the head of the third cooling channel 13 is connected with one conducting channel 16, and the tail of the third cooling channel 13 is connected with the other conducting channel 16. The structure of the third cooling channel 13 is designed, so that the flow of the cooling liquid entering the rectangular section can be increased, the passing time of the cooling liquid is prolonged, and a good cooling effect is achieved. In turn, a circulating circuit can be formed with the second cooling channels 12 of the annular end 5b via the conducting channels 16.
The temperature control oil device is characterized by further comprising a temperature control oil device, a water inlet is connected with a water outlet pipe of the temperature control oil device, a water outlet is connected with a water inlet pipe of the temperature control oil device, and a heating assembly and a cooling assembly are arranged in the temperature control oil device. The heating assembly can be an electric heating wire and other structures for heating oil, and the cooling assembly can be a compressor and other structures for cooling oil. The temperature of fluid can be adjusted to the accuse temperature fluid device. In summer and other hot days, the temperature-control oil device outputs cooling liquid to cool the movable shaft part to reduce thermal errors. When the weather is cold, such as winter, the temperature control oil device outputs hot oil to heat the movable shaft part.
As shown in fig. 6, the screw 1 is fitted around the nut 6, and the nut 6 is attached to the nut holder 7. The nut seat 7 is of a tubular structure and is internally provided with a fourth cooling channel.
The fourth cooling channel comprises an upper water channel 8a and a lower water channel 8b which are arranged on the left side and the right side of the nut seat 7 in parallel, the upper water channel 8a and the lower water channel 8b are horizontally arranged, the two upper water channels 8a are communicated, the two lower water channels 8b are communicated, one upper water channel 8a is connected with the water outlet, one lower water channel 8b is connected with the water inlet, and the other lower water channel 8b is communicated with the other upper water channel 8 a. The cooling circulation of the nut seat 7 is completed by designing the fourth cooling channel with a three-dimensional structure, and compared with a cooling pipeline with a planar structure, the cooling effect of the cooling pipeline is better.
As shown in fig. 1: the left end of the lead screw 1 is connected with the motor 2, the right end of the lead screw 1 is sleeved with a bearing, and the bearing is installed on the bearing seat 9. A fifth cooling channel is provided in the bearing block 9. The bearing seat 9 is of a circular ring-shaped structure, and the fifth cooling channel is arranged around the axis of the bearing seat 9. The present invention also provides a fifth cooling channel in the bearing housing 9 for cooling the movable shaft.
In the invention, channels through which cooling liquid can pass through circulation are respectively designed in the transition plate 3, the motor seat 5, the nut seat 7 and the bearing seat 9, so that the temperature of the whole moving shaft is comprehensively reduced, and the thermal error of a machine tool is reduced.
The right side of motor cabinet 5 sets up crashproof cushion 10, and the left side of bearing frame 9 sets up crashproof cushion 10. Avoiding the wrong touch of the nut 6 and the nut seat 7.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The present invention has been described in detail, and the principles and embodiments of the present invention have been described herein using specific examples, which are provided only to assist in understanding the present invention and the 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. The cooling system of the five-axis milling and turning combined machining center is characterized by comprising a lead screw and a motor connected with the lead screw, wherein the motor is connected with a motor base through a transition plate, the transition plate is of a rectangular plate structure, a through hole for the lead screw to pass through is formed in the center of the transition plate, a first cooling channel is arranged in the transition plate, the first cooling channel is of a diamond structure, the top of the first cooling channel is staggered and connected with a water inlet and a water outlet respectively, the motor base is of a U-shaped tubular structure with an open top, two ends of the motor base extend outwards to form an installation side plate, one end of the motor base is a rectangular end of a rectangular structure fixedly connected with the transition plate, the other end of the motor base is a circular ring end of a circular ring structure, a U-shaped structure second cooling channel is arranged inside the circular ring end, and the two sides of the circular ring end are respectively provided with a water inlet and, the rectangular end is internally provided with a spiral third cooling channel, and the mounting side plate is internally provided with a conduction channel which is connected with the second cooling channel and the third cooling channel.
2. The cooling system of a five-axis milling and turning compound machining center according to claim 1, wherein the third cooling channel is spirally bent in a spring shape, the third cooling channel is coaxial with the lead screw, a head portion of the third cooling channel is connected with one of the guide channels, and a tail portion of the third cooling channel is connected with the other guide channel.
3. The cooling system of a five-axis milling and turning combined machining center according to claim 1, further comprising a temperature control oil device, wherein the water inlet is connected with a water outlet pipe of the temperature control oil device, the water outlet is connected with a water inlet pipe of the temperature control oil device, and the temperature control oil device is internally provided with a heating assembly and a cooling assembly.
4. The cooling system of a five-axis milling and turning compound machining center as claimed in claim 1, wherein the lead screw is sleeved with a nut, and the nut is mounted on a nut seat.
5. The cooling system of a five-axis milling and turning compound machining center as claimed in claim 4, wherein the nut seat is tubular in configuration and has a fourth cooling channel therein.
6. The cooling system of a five-axis milling and turning combined machining center according to claim 5, wherein the fourth cooling channel comprises an upper water path and a lower water path which are arranged on the left side and the right side of the nut seat, the upper water path and the lower water path are horizontally arranged, the two upper water paths are communicated, the two lower water paths are communicated, one upper water path is connected with the water outlet, the lower water path is connected with the water inlet, and the other lower water path is communicated with the other upper water path.
7. The cooling system of the five-axis milling and turning combined machining center according to claim 1, wherein the left end of the lead screw is connected with a motor, a bearing is sleeved outside the right end of the lead screw, and the bearing is mounted on a bearing seat.
8. The cooling system of a five-axis milling and turning compound machining center as claimed in claim 7, wherein a fifth cooling channel is provided in the bearing housing.
9. The cooling system of the five-axis milling and turning combined machining center according to claim 8, wherein the bearing seat is of an annular structure, and the fifth cooling channel is arranged around the axis of the bearing seat.
10. The cooling system of the five-axis milling and turning combined machining center according to claim 7, wherein an anti-collision rubber mat is arranged on the right side of the motor seat, and an anti-collision rubber mat is arranged on the left side of the bearing seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911038874.5A CN110722398A (en) | 2019-10-29 | 2019-10-29 | Cooling system of five-axis milling and turning combined machining center |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911038874.5A CN110722398A (en) | 2019-10-29 | 2019-10-29 | Cooling system of five-axis milling and turning combined machining center |
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| Publication Number | Publication Date |
|---|---|
| CN110722398A true CN110722398A (en) | 2020-01-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911038874.5A Pending CN110722398A (en) | 2019-10-29 | 2019-10-29 | Cooling system of five-axis milling and turning combined machining center |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116511569A (en) * | 2023-05-25 | 2023-08-01 | 北京工研精机股份有限公司 | Circulation cooling system of vertical coordinate boring machine transmission structure |
-
2019
- 2019-10-29 CN CN201911038874.5A patent/CN110722398A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116511569A (en) * | 2023-05-25 | 2023-08-01 | 北京工研精机股份有限公司 | Circulation cooling system of vertical coordinate boring machine transmission structure |
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