Gantry type five-axis machining tool
By designing a gantry five-axis machining machine tool based on the existing gantry machining center, adding two rotation shafts to realize the five-axis machining function, the problem of large equipment size and limited use range is solved, and the multifunctionality and efficient production of the equipment are achieved.
Patent Information
- Application Number
- CN202420802261.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-18
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-04-18
AI Technical Summary
The existing gantry machining center equipment is large in size, has a large area, is inconvenient to transport, is cumbersome to assemble and maintain, and can only process a single type of workpiece, resulting in limited use of the equipment and an increase in production costs.
A gantry five-axis machining machine tool was designed, and the five-axis machining function was realized by adding two rotation shafts on the basis of the three-axis gantry. The machine tool includes a base, gantry, X-axis, Y-axis, Z-axis drive mechanism, spindle and workbench, as well as tool magazine components and tool changer robots, enhancing the versatility and flexibility of the equipment.
It realizes the small size, small area, convenient transportation, and simple post-maintenance, reducing maintenance and production costs, while expanding the scope of use of the equipment and improving processing accuracy and efficiency.
Smart Images
Figure CN222588784U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of machine tool processing, in particular to a gantry type five-axis processing machine tool. Background Art
[0002] A gantry machining center is a machine that has the spindle and worktable set vertically. The overall structure adopts a gantry frame, which is suitable for processing large workpieces and workpieces with complex structures. Gantry machining centers have many different styles of structures, such as fixed beam type, movable beam type, movable column type, overhead crane type, etc. The uses, performance, characteristics and product processing of gantry machining centers of different types of structures are also different.
[0003] At present, most of the gantry machining centers on the market are large equipment, which are large in size and occupy a large area, making them very inconvenient to transport, cumbersome to assemble, and the subsequent maintenance process is cumbersome, which increases the maintenance cost. In addition, the gantry machining center can only process a single type of workpiece, which limits the scope of use of the equipment, resulting in a single workpiece processing, thereby increasing the production cost.
[0004] Therefore, it is necessary to study a new technical solution to solve the above problems. Utility Model Content
[0005] In view of this, the present invention aims to solve the deficiencies in the prior art, and its main purpose is to provide a gantry-type five-axis machining machine tool.
[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0007] A gantry-type five-axis machining machine comprises a base, a gantry, an X-axis driving mechanism, a Y-axis driving mechanism, a Z-axis driving mechanism, a spindle and a worktable, wherein the gantry is fixedly arranged at the upper rear end of the base, the X-axis driving mechanism is arranged at the front of the gantry, the Z-axis driving mechanism is arranged on the X-axis driving mechanism and moves left and right with it, the spindle is arranged at the lower end of the Z-axis driving mechanism and moves up and down with it, the Y-axis driving mechanism is arranged at the upper center position of the base, the worktable is arranged on the Y-axis driving mechanism and moves forward and backward with it, a B-axis driving mechanism is arranged between the spindle and the Z-axis driving mechanism and is used to drive the spindle to rotate, and a C-axis driving mechanism is arranged between the worktable and the Y-axis driving mechanism and is used to drive the worktable to rotate.
[0008] As a preferred embodiment, a tool magazine assembly is also provided on the base and is located at one side end of the base, the tool magazine assembly includes a tool magazine fixing frame, a tool disc, a tool magazine driving mechanism and a tool changing robot, one end of the tool magazine fixing frame is installed and fixed on the base, and the other end is fixed to the upper end for the tool disc, the tool magazine driving mechanism is arranged at the rear end of the tool disc and is used to drive the tool disc to rotate, the tool changing robot is arranged between the tool disc and the workbench, and the tool changing robot is used to transfer the tool on the tool disc and place it on the spindle for clamping and locking.
[0009] Preferably, the tool magazine assembly also includes a tool changing motor, which is arranged between the tool disc and the Z-axis drive mechanism. The tool changing motor extends a drive shaft downward, and the tool changing robot is installed on the drive shaft and is used to replace the tool on the tool disc onto the main shaft for locking and fixing.
[0010] As a preferred embodiment, the X-axis driving mechanism includes an X-axis sliding guide rail, an X-axis sliding seat and an X-axis servo motor. The X-axis sliding guide rail is arranged on the front and upper end surfaces of the gantry. The X-axis sliding seat is slidably installed on the X-axis sliding guide rail in a "7" structure and a Z-axis driving mechanism is installed on it to move left and right with it. The X-axis servo motor is arranged on one side end of the X-axis sliding guide rail and is used to control the movement of the X-axis sliding seat.
[0011] As a preferred embodiment, the Z-axis driving mechanism includes a Z-axis sliding guide, a Z-axis sliding seat and a Z-axis servo motor. The Z-axis sliding guide is vertically arranged on the rear end surface of the Z-axis sliding seat and is slidably connected to the X-axis sliding seat, so that the Z-axis sliding seat can move up and down. The Z-axis servo motor is arranged at the top end of the Z-axis sliding seat and is used to control the movement of the Z-axis sliding seat. The B-axis driving mechanism is installed at the lower end of the Z-axis sliding seat.
[0012] As a preferred embodiment, the B-axis drive mechanism includes a B-axis mounting seat, a B-axis rotating seat and a B-axis driving motor. The B-axis driving motor is mounted on the lower rear end of the Z-axis sliding seat and extends a rotating shaft forward so that it passes through the Z-axis sliding seat. The B-axis mounting seat is fixedly mounted on the lower outer end of the Z-axis sliding seat and is located at the outer end of the B-axis driving motor. The B-axis rotating shaft is arranged at the inner end center of the B-axis mounting seat and is connected and fixed to the rotating shaft extended by the B-axis driving motor. The spindle is fixedly mounted on the B-axis rotating seat, and the B-axis driving motor controls the B-axis rotating seat to rotate an angle, thereby changing the lower cutting angle of the spindle.
[0013] As a preferred embodiment, the Y-axis driving mechanism includes a Y-axis sliding guide, a Y-axis sliding seat and a Y-axis servo motor, the Y-axis sliding guide rails are arranged on the base at intervals, the Y-axis sliding seat is slidably installed on the Y-axis sliding guide rails, the Y-axis servo motor is arranged at the rear end of the base and is used to control the forward and backward displacement of the Y-axis sliding seat, and the C-axis driving mechanism is installed on the Y-axis sliding seat.
[0014] As a preferred embodiment, the C-axis drive mechanism includes a C-axis drive motor and a C-axis mounting table, the C-axis drive motor is mounted and fixed on the Y-axis sliding seat, the C-axis mounting table is fixed on the rotating shaft extending upward from the C-axis drive motor and changes direction as it rotates, and the workbench is arranged on the C-axis mounting table.
[0015] Preferably, a locking groove is provided on the C-axis mounting platform, and the locking groove is used for a locking component to enter and lock the workbench onto the C-axis mounting platform.
[0016] Compared with the prior art, the utility model has obvious advantages and beneficial effects. Specifically, it can be seen from the above technical solution that:
[0017] The utility model has a simple structure and is convenient and quick to use. It adopts a gantry structure as the main structure. On the basis of the three-axis gantry, two rotating axes are added to make the gantry machining center have the function of five-axis machining, so that the gantry machining center can process more workpieces, increase its scope of use, ensure machining accuracy and machining efficiency, and reduce the processing cost of the enterprise. In addition, the equipment is small in size, occupies a small area, is very convenient to transport, and is simple to maintain in the later stage, with fast maintenance efficiency, reducing maintenance time and improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.
[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model.
[0020] Figure 2 It is another structural schematic diagram of the utility model from another viewing angle.
[0021] Figure 3 It is a schematic diagram of the structure of the utility model from a rear side perspective.
[0022] Among them, the reference numerals in the figure are:
[0023] 10. Base; 20. Gantry; 30. X-axis drive mechanism; 31. X-axis sliding guide; 32. X-axis sliding seat; 33. X-axis servo motor; 40. Y-axis drive mechanism; 41. Y-axis sliding guide; 42. Y-axis sliding seat; 43. Y-axis servo motor; 50. Z-axis drive mechanism; 51. Z-axis sliding guide; 52. Z-axis sliding seat; 53. Z-axis servo motor; 60. Spindle; 70. Workbench; 90. C-axis drive mechanism; 91. C-axis drive motor; 92. C-axis mounting table; 93. Locking slide; 100. Tool magazine assembly; 101. Tool magazine fixing frame; 102. Tool disc; 103. Tool magazine drive mechanism; 104. Tool changing robot; 105. Tool changing motor. DETAILED DESCRIPTION
[0024] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.
[0025] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.
[0026] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.
[0027] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.
[0028] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments.
[0029] Reference Figure 1-3As shown: a gantry type five-axis machining center comprises a base 10, a gantry 20, an X-axis driving mechanism 30, a Y-axis driving mechanism 40, a Z-axis driving mechanism 50, a spindle 60 and a worktable 80, wherein the gantry 20 is fixedly arranged at the upper rear end of the base 10, the X-axis driving mechanism 30 is arranged at the front of the gantry 20, the Z-axis driving mechanism 50 is arranged on the X-axis driving mechanism 30 and moves left and right with it, the spindle 60 is arranged at the lower end of the Z-axis driving mechanism 50 and moves up and down with it, the Y-axis driving mechanism 40 is arranged at the upper center position of the base 10, the worktable 80 is arranged on the Y-axis driving mechanism 40 and moves forward and backward with it, a B-axis driving mechanism 80 is arranged between the spindle 60 and the Z-axis driving mechanism 50 and is used to drive the spindle 60 to rotate, and a C-axis driving mechanism 90 is arranged between the worktable 80 and the Y-axis driving mechanism 40 and is used to drive the worktable 80 to rotate.
[0030] In this embodiment, a tool magazine assembly 100 is also provided on the base 10 and is located at one side end of the base 10. The tool magazine assembly 100 includes a tool magazine fixing frame 101, a tool disc 102, a tool magazine driving mechanism 103 and a tool changing robot 104. One end of the tool magazine fixing frame 101 is installed and fixed on the base 10, and the other end is fixed to the upper end for the tool disc 102. The tool magazine driving mechanism 103 is arranged at the rear end of the tool disc 102 and is used to drive the tool disc 102 to rotate. The tool changing robot 104 is arranged between the tool disc 102 and the workbench 80. The tool changing robot 104 is used to transfer the knife on the tool disc 102 and place it on the spindle 60 for clamping and locking.
[0031] In this embodiment, the tool magazine assembly 100 also includes a tool changing motor 105, which is arranged between the tool disc 102 and the Z-axis drive mechanism 50. The tool changing motor 105 extends a drive shaft downward, and the tool changing robot 104 is installed on the drive shaft and is used to replace the tool on the tool disc 102 onto the spindle 60 for locking and fixing.
[0032] In this embodiment, the X-axis driving mechanism 30 includes an X-axis sliding guide rail 31, an X-axis sliding seat 32 and an X-axis servo motor 33. The X-axis sliding guide rail 31 is arranged on the front and upper end surfaces of the gantry 20. The X-axis sliding seat 32 is slidably installed on the X-axis sliding guide rail 31 in a "7" structure and a Z-axis driving mechanism 50 is installed on it to move left and right with it. The X-axis servo motor 33 is arranged on one side end of the X-axis sliding guide rail 31 and is used to control the movement of the X-axis sliding seat 32.
[0033] In this embodiment, the Z-axis driving mechanism 50 includes a Z-axis sliding guide rail 51, a Z-axis sliding seat 52 and a Z-axis servo motor 53. The Z-axis sliding guide rail 51 is vertically arranged on the rear end surface of the Z-axis sliding seat 52 and is slidably connected to the X-axis sliding seat 32, so that the Z-axis sliding seat 52 can move up and down. The Z-axis servo motor 53 is arranged at the top end of the Z-axis sliding seat 52 and is used to control the movement of the Z-axis sliding seat 52. The B-axis driving mechanism 80 is installed at the lower end of the Z-axis sliding seat 52.
[0034] In this embodiment, the B-axis driving mechanism 80 includes a B-axis mounting seat 81, a B-axis rotating seat 82 and a B-axis driving motor 83. The B-axis driving motor 83 is mounted on the lower rear end of the Z-axis sliding seat 52, and extends a rotating shaft forward so that it passes through the Z-axis sliding seat 52. The B-axis mounting seat 81 is fixedly mounted on the lower outer end of the Z-axis sliding seat 52 and is located at the outer end of the B-axis driving motor 83. The B-axis rotating shaft is arranged at the inner end center of the B-axis mounting seat 81 and is connected and fixed to the rotating shaft extended by the B-axis driving motor 83. The spindle 60 is fixedly mounted on the B-axis rotating seat 82, and the B-axis driving motor 83 controls the B-axis rotating seat 82 to rotate the angle, thereby changing the lower cutting angle of the spindle 60.
[0035] In this embodiment, the Y-axis driving mechanism 40 includes a Y-axis sliding guide rail 41, a Y-axis sliding seat 42 and a Y-axis servo motor 43. The Y-axis sliding guide rails 41 are arranged at intervals on the base 10. The Y-axis sliding seat 42 is slidably installed on the Y-axis sliding guide rails 41. The Y-axis servo motor 43 is arranged at the rear end of the base 10 and is used to control the forward and backward displacement of the Y-axis sliding seat 42. The C-axis driving mechanism 90 is installed on the Y-axis sliding seat 42.
[0036] In this embodiment, the C-axis drive mechanism 90 includes a C-axis drive motor 91 and a C-axis mounting table 92. The C-axis drive motor 91 is installed and fixed on the Y-axis sliding seat 42. The C-axis mounting table 92 is fixed on the rotating shaft extending upward from the C-axis drive motor 91 and changes direction as it rotates. The workbench 80 is arranged on the C-axis mounting table 92.
[0037] In this embodiment, a locking groove 93 is provided on the C-axis mounting platform 92 , and the locking groove 93 is used for a locking component to enter and lock the workbench 80 to the C-axis mounting platform 92 .
[0038] The above are only preferred embodiments of the present invention, and only specifically describe the technical principles of the present invention. These descriptions are only for the purpose of explaining the principles of the present invention, and cannot be interpreted as limiting the scope of protection of the present invention in any way. Based on the explanation here, any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention, and other specific implementation methods of the present invention that can be associated with by technicians in this field without creative labor, should be included in the scope of protection of the present invention.
Claims
1. A gantry-type five-axis machining machine tool, comprising a base, a gantry, an X-axis drive mechanism, a Y-axis drive mechanism, a Z-axis drive mechanism, a spindle and a worktable, characterized in that: The gantry is fixedly arranged at the upper rear end of the base, the X-axis driving mechanism is arranged at the front of the gantry, the Z-axis driving mechanism is arranged on the X-axis driving mechanism and moves left and right therewith, the main shaft is arranged at the lower end of the Z-axis driving mechanism and moves up and down therewith, the Y-axis driving mechanism is arranged at the upper center position of the base, the workbench is arranged on the Y-axis driving mechanism and moves back and forth therewith, a B-axis driving mechanism is arranged between the main shaft and the Z-axis driving mechanism and is used to drive the main shaft to rotate, and a C-axis driving mechanism is arranged between the workbench and the Y-axis driving mechanism and is used to drive the workbench to rotate.
2. The gantry type five-axis machining center according to claim 1, characterized in that: A tool magazine assembly is also provided on the base and is located at one side end of the base. The tool magazine assembly includes a tool magazine fixing frame, a tool disc, a tool magazine driving mechanism and a tool changing robot. One end of the tool magazine fixing frame is installed and fixed on the base, and the other end is fixed to the upper end for the tool disc. The tool magazine driving mechanism is provided at the rear end of the tool disc and is used to drive the tool disc to rotate. The tool changing robot is provided between the tool disc and the workbench. The tool changing robot is used to transfer the knife on the tool disc and place it on the spindle for clamping and locking.
3. The gantry type five-axis machining center according to claim 2, characterized in that: The tool magazine assembly also includes a tool changing motor, which is arranged between the tool disc and the Z-axis drive mechanism. The tool changing motor extends a drive shaft downward. The tool changing robot is installed on the drive shaft and is used to change the tool on the tool disc to the main shaft for locking and fixing.
4. The gantry type five-axis machining center according to claim 1, characterized in that: The X-axis driving mechanism includes an X-axis sliding guide rail, an X-axis sliding seat and an X-axis servo motor. The X-axis sliding guide rail is arranged on the front and upper end surfaces of the gantry. The X-axis sliding seat is slidably installed on the X-axis sliding guide rail in a "7" structure and a Z-axis driving mechanism is installed on it to move left and right with it. The X-axis servo motor is arranged on one side end of the X-axis sliding guide rail and is used to control the movement of the X-axis sliding seat.
5. The gantry type five-axis machining center according to claim 4, characterized in that: The Z-axis driving mechanism includes a Z-axis sliding guide rail, a Z-axis sliding seat and a Z-axis servo motor. The Z-axis sliding guide rail is vertically arranged on the rear end surface of the Z-axis sliding seat and is slidably connected to the X-axis sliding seat, so that the Z-axis sliding seat can move up and down. The Z-axis servo motor is arranged at the top end of the Z-axis sliding seat and is used to control the movement of the Z-axis sliding seat. The B-axis driving mechanism is installed at the lower end of the Z-axis sliding seat.
6. The gantry type five-axis machining center according to claim 5, characterized in that: The B-axis driving mechanism includes a B-axis mounting seat, a B-axis rotating seat and a B-axis driving motor. The B-axis driving motor is mounted on the lower rear end of the Z-axis sliding seat and extends a rotating shaft forward so that it passes through the Z-axis sliding seat. The B-axis mounting seat is fixedly mounted on the lower outer end of the Z-axis sliding seat and is located at the outer end of the B-axis driving motor. The B-axis rotating shaft is arranged at the inner end center of the B-axis mounting seat and is connected and fixed to the rotating shaft extended by the B-axis driving motor. The spindle is fixedly mounted on the B-axis rotating seat. The B-axis driving motor controls the B-axis rotating seat to rotate the angle, thereby changing the lower cutting angle of the spindle.
7. The gantry type five-axis machining center according to claim 1, characterized in that: The Y-axis driving mechanism includes a Y-axis sliding guide rail, a Y-axis sliding seat and a Y-axis servo motor. The Y-axis sliding guide rails are arranged on the base at intervals. The Y-axis sliding seat is slidably installed on the Y-axis sliding guide rails. The Y-axis servo motor is arranged at the rear end of the base and is used to control the forward and backward displacement of the Y-axis sliding seat. The C-axis driving mechanism is installed on the Y-axis sliding seat.
8. The gantry type five-axis machining center according to claim 7, characterized in that: The C-axis driving mechanism includes a C-axis driving motor and a C-axis mounting table. The C-axis driving motor is mounted and fixed on the Y-axis sliding seat. The C-axis mounting table is fixed on the rotating shaft extending upward from the C-axis driving motor and changes direction as it rotates. The workbench is arranged on the C-axis mounting table.
9. The gantry type five-axis machining center according to claim 8, characterized in that: The C-axis mounting platform is provided with a locking slot, and the locking slot is used for a locking component to enter and lock the workbench onto the C-axis mounting platform.