Five-axis machining center with automatic positioning of suction cups and clamps

Abstract

The utility model discloses a five -axis machining center of automatic positioning with sucking disc and clamp, including base, processing lathe body, automatic adsorption positioning mechanism, portal frame, sliding table, processing machine head, saddle follow tool magazine device, be provided with workstation on processing lathe body, and workstation has left work position, right work position, automatic adsorption positioning mechanism can be set on corresponding left work position, right work position in back and forth movable mode, portal frame can be installed together with base in back and forth X -direction sliding, and sliding table can be installed together with the crossbeam of portal frame in back and forth Y -direction sliding, and saddle follow tool magazine device is connected the right side of crossbeam through longitudinal crossbeam mechanism, and saddle follow tool magazine device can be installed together with longitudinal crossbeam mechanism in back and forth Y -direction sliding, make saddle follow tool magazine device and processing machine head along with portal frame along X -direction sliding, can adjust the position and quantity of sucking disc, clamp according to work piece size, shape, and can adjust tool magazine position according to processing position, shorten processing machine head and tool magazine's tool changing path.

Description

Technical Field

[0001] This utility model relates to the technology in the field of wood processing, and in particular to a five-axis machining center with suction cups and clamps for automatic positioning, which is mainly used, but not limited to, for processing solid wood, artificial boards, composite boards, non-ferrous metals, etc. Background Technology

[0002] With the development of technology, wood processing centers are being used more and more widely in the field of wood processing. In existing technology, wood processing centers can complete milling, vertical drilling and grooving processes. With the help of wood processing centers, wood can be processed conveniently and production efficiency can be improved.

[0003] In the field of woodworking machinery technology, CNC panel saws are key equipment for panel furniture processing, and their processing efficiency and functional completeness directly affect production costs and process quality.

[0004] Traditional five-axis machining centers mostly use fixture clamping and positioning methods. For workpieces of different sizes and shapes, special fixtures need to be changed frequently, which is not only time-consuming and labor-intensive, but also prone to problems such as fixture installation errors and workpiece deformation under clamping force.

[0005] Secondly, most suction cups have a fixed layout and can only move in one direction. They cannot flexibly adjust the position and number of suction cups according to the size and shape of the workpiece, resulting in uneven distribution of adsorption force and the risk of workpiece displacement or falling off.

[0006] Another issue is that traditional five-axis machining centers have fixed tool magazines with fixed positions. During five-axis machining, the spindle needs to frequently return to the fixed point to change tools. The tool change path is long and the efficiency is low. When machining large workpieces, the spindle is far away from the tool magazine, and the tool change time accounts for a high percentage of the total time.

[0007] Therefore, a new technical solution needs to be researched to address the above problems. Utility Model Content

[0008] In view of this, the present invention addresses the deficiencies of the existing technology, and its main objective is to provide a five-axis machining center with suction cups and automatic fixture positioning. Through the structural design of the automatic suction positioning mechanism, the suction cups can move flexibly along the X and Y directions. The position and number of fixtures and suction cups can be adjusted according to the size and shape of the workpiece to ensure uniform distribution of suction force and avoid workpiece deformation under clamping force. Furthermore, the saddle-following tool magazine device is connected to the right side of the gantry beam through the longitudinal beam mechanism, and the saddle-following tool magazine device can be slidably installed with the longitudinal beam mechanism in the Y direction, so that the saddle-following tool magazine device and the machining head slide along the X direction with the gantry. In this way, the tool magazine position can be adjusted according to the machining position, shortening the tool changing path between the machining head and the tool magazine.

[0009] To achieve the above objectives, the present invention adopts the following technical solution:

[0010] A five-axis machining center with suction cups and automatic positioning fixtures includes a base, a machining bed, an automatic suction and positioning mechanism, a gantry, a slide table, a machining head, a saddle-following tool magazine device, and a main control console; the automatic suction and positioning mechanism, the machining head, and the saddle-following tool magazine device are electrically connected to the main control console.

[0011] The machining bed is mounted on the base, and a worktable is provided on the machining bed. The worktable has a left work position and a right work position arranged sequentially from left to right. The automatic adsorption and positioning mechanism can be movably set in the corresponding left and right work positions.

[0012] The automatic adsorption and positioning mechanism includes a first longitudinal guide rail, several clamps, a suction cup beam body, and several suction cups. The first longitudinal guide rail extends along the X direction and is located inside the machining bed. The suction cup beam body can slide back and forth in the X direction and is installed together with the first longitudinal guide rail. The several clamps and several suction cups can slide back and forth in the Y direction and are installed on the suction cup beam body.

[0013] The gantry can be slidably mounted to the base in the X direction; the slide can be slidably mounted on the crossbeam of the gantry in the Y direction; the machining head can be slidably mounted on the slide in the Z direction, and the machining head is equipped with a tool changing electric spindle, which can be used to change tools in conjunction with the saddle and tool magazine device;

[0014] The saddle-following tool magazine device is connected to the right side of the crossbeam via a longitudinal beam mechanism. The saddle-following tool magazine device can be slidably mounted with the longitudinal beam mechanism in the Y direction, so that the saddle-following tool magazine device and the machining head slide along the X direction with the gantry.

[0015] As a preferred embodiment, the longitudinal beam mechanism includes a longitudinal beam body, a second longitudinal guide rail mounted on the longitudinal beam body, and a first drive device. The end of the longitudinal beam body near the machining head is connected to the beam. The saddle-following tool magazine device is mounted on the second longitudinal guide rail via a movable plate that can slide back and forth in the Y direction. The output end of the first drive device is connected to the movable plate to control the saddle-following tool magazine device to move along the extension direction of the second longitudinal guide rail, avoiding offset or jamming when the tool magazine moves. This ensures that the docking position error between the tool magazine and the machining head device (C-axis mechanism) is minimal, reducing tool setting deviation during tool changing from the root and ensuring machining accuracy. Furthermore, the longitudinal beam body is directly connected to the beam and carries the tool magazine, and its structural strength can match the overall weight of the disc tool magazine, avoiding tool magazine position drift caused by carrier deformation during long-term use and extending the service life of the equipment.

[0016] As a preferred embodiment, the saddle-following tool magazine device includes a tool magazine fixing base, a tool magazine mounting bracket, a servo motor, a reducer, a tool magazine cover, and a tool disc.

[0017] The tool magazine mounting base is fixed to the movable plate, the tool magazine mounting bracket is set on the tool magazine mounting base, the servo motor and the reducer are set on the tool magazine mounting bracket, and the tool disc is rotatably connected to the reducer; the tool disc is provided with multiple tool mounting positions.

[0018] As a preferred embodiment, the left and right ends of the crossbeam are slidably connected to the left and right sides of the base via the left and right columns, respectively, and the left and right ends of the crossbeam extend to the outside of the left and right columns, respectively.

[0019] As a preferred embodiment, the automatic adsorption positioning mechanism is provided with eight parts, of which four automatic adsorption positioning mechanisms are arranged at X-axis intervals on the left working position, and the other four automatic adsorption positioning mechanisms are arranged at X-axis intervals on the right working position. With four adsorption mechanisms on each of the left and right working positions, parallel operation of processing one workpiece while clamping the next workpiece can be realized, without waiting for the processing to be completed before clamping, which greatly shortens the equipment downtime and increases the processing quantity (production capacity) per unit time.

[0020] As a preferred embodiment, the machine head assembly includes at least a left saddle mechanism and a right saddle mechanism; the left and right saddle mechanisms are arranged side by side on the crossbeam of the gantry and positioned directly above the worktable; the left and / or right saddle mechanisms are equipped with a tool changer spindle, which can be used to change tools in conjunction with the saddle following the tool magazine device or the straight-line tool magazine device.

[0021] As a preferred embodiment, the right saddle mechanism includes a fixed electric spindle and a C-axis mechanism, wherein the C-axis mechanism is detachably mounted on the fixed electric spindle; the C-axis mechanism includes a C-axis and a C-axis drive unit for driving the C-axis to rotate.

[0022] As a preferred embodiment, a protective cover is also provided on the outside of the gantry frame.

[0023] As a preferred embodiment, slide rails are provided on both sides of the base, and the left and right columns are slidably connected to the slide rails by sliders.

[0024] Compared with the prior art, this utility model has significant advantages and beneficial effects. Specifically, as can be seen from the above technical solution, it mainly relies on the structural design of an automatic adsorption positioning mechanism. The automatic adsorption positioning mechanism includes a first longitudinal guide rail, several clamps, a suction cup beam body, and several suction cups. The suction cup beam body can slide back and forth in the X direction and is installed together with the first longitudinal guide rail. The several clamps and several suction cups can slide back and forth in the Y direction and are installed on the suction cup beam body. In this way, the clamps and suction cups can move flexibly in the X and Y directions, and the position and number of clamps and suction cups can be adjusted according to the size and shape of the workpiece to ensure uniform distribution of adsorption force and avoid workpiece deformation under clamping force. At the same time, adsorption positioning does not require clamping, reducing clamping installation errors and workpiece clamping time.

[0025] Secondly, the saddle-following tool magazine device is connected to the right side of the gantry beam via a longitudinal beam mechanism. The saddle-following tool magazine device can slide back and forth in the Y direction with the longitudinal beam mechanism, allowing the saddle-following tool magazine device and the machining head to slide along the X direction with the gantry. This allows the tool magazine position to be adjusted according to the machining position, shortening the tool change path between the machining head and the tool magazine. At the same time, the tool magazine and the machining head move together with the gantry, avoiding the machining range limitation caused by the fixed tool magazine during the machining process, and enabling full-area machining of large-sized workpieces.

[0026] To more clearly illustrate the structural features and effects of this utility model, the following detailed description of this utility model is provided in conjunction with the accompanying drawings and specific embodiments. Attached Figure Description

[0027] Figure 1 This is a perspective view of an embodiment of the present utility model;

[0028] Figure 2 This is another perspective view of an embodiment of the present utility model;

[0029] Figure 3 This is a structural diagram of a gantry frame according to an embodiment of this utility model;

[0030] Figure 4 This is a structural diagram of an embodiment of the automatic adsorption and positioning mechanism of this utility model;

[0031] Figure 5 This is a structural diagram of a straight-line tool magazine device according to an embodiment of this utility model;

[0032] Figure 6 This is a structural diagram of the machining head and saddle-following tool magazine device according to an embodiment of this utility model;

[0033] Figure 7 This is a structural diagram of an embodiment of the saddle-following tool magazine device of this utility model;

[0034] Figure 8 This is a partial structural diagram of an embodiment of the saddle-following tool magazine device of this utility model.

[0035] Explanation of reference numerals in the attached diagram:

[0036] 10. Base 11. Slide rail

[0037] 20. Machining bed 21. Worktable

[0038] 211. Left workstation; 212. Right workstation

[0039] 30. Automatic adsorption and positioning mechanism; 31. First longitudinal guide rail

[0040] 32. Suction cup crossbeam body 33. Suction cup

[0041] 34. Fixture

[0042] 40. Gantry frame 41. Crossbeam

[0043] 42. Left column 43. Right column

[0044] 50. Slide

[0045] 60. Machining head; 61. Left saddle mechanism.

[0046] 62. Right saddle support mechanism 63. Tool changer electric spindle

[0047] 70. Saddle-following tool magazine device 71. Tool magazine fixing base

[0048] 72. Tool magazine mounting bracket 73. Servo motor

[0049] 74. Movable plate; 75. Longitudinal beam mechanism

[0050] 751. Longitudinal beam body; 752. Second longitudinal guide rail

[0051] 753. First driving device

[0052] 76. Tool magazine cover 77. Tool disc

[0053] 80. Straight-line tool magazine device; 90. Main control console. Detailed Implementation

[0054] Please refer to Figures 1 to 8 As shown, it illustrates the specific structure of an embodiment of the present invention.

[0055] In the description of this utility model, it should be noted that the directional terms such as "up", "down", "front", "back", "left", and "right" indicate the orientation and positional relationship based on the accompanying drawings or the orientation or positional relationship shown when wearing and using the device normally. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. They should not be construed as limiting the specific protection scope of this utility model.

[0056] A five-axis machining center with suction cups and automatic positioning fixtures includes a base 10, a machining bed 20, an automatic suction positioning mechanism 30, a gantry 40, a slide table 50, a machining head 60, a saddle-following tool magazine device 70, and a main control console 90.

[0057] The automatic adsorption positioning mechanism 30, the machining head 60, and the saddle-following tool magazine device 70 are electrically connected to the main control console 90.

[0058] Preferably, slide rails 11 are provided on both sides of the base 10, and the left column 42 and the right column 43 are slidably connected to the slide rails 11 by sliders.

[0059] The machining bed 20 is mounted on the base 10, and a worktable 21 is provided on the machining bed 20. The worktable 21 has a left work position 211 and a right work position 212 arranged sequentially from left to right. The automatic adsorption and positioning mechanism 30 can be movably arranged on the corresponding left work position 211 and right work position 212.

[0060] The automatic adsorption and positioning mechanism 30 includes a first longitudinal guide rail 31, several clamps 34, a suction cup beam body 32, and several suction cups 33. The first longitudinal guide rail 31 extends along the X direction and is located within the machining bed 20. The suction cup beam body 32 is slidably mounted to the first longitudinal guide rail 31 in the X direction. In this embodiment, an additional motor is provided to drive the suction cup beam body 32 to slide back and forth. The several clamps 34 and several suction cups 33 are slidably mounted on the suction cup beam body 32 in the Y direction; the suction cups 33 can be moved to a designated position via belt drive.

[0061] Preferably, there are eight automatic adsorption and positioning mechanisms 30, with four automatic adsorption and positioning mechanisms 30 arranged at intervals in the X direction on the left working position 211 and the other four automatic adsorption and positioning mechanisms 30 arranged at intervals in the X direction on the right working position 212. With four adsorption mechanisms on each of the left and right working positions 212, parallel operation of processing one workpiece while clamping the next workpiece can be realized without waiting for the processing to be completed before clamping, which greatly shortens the equipment downtime and increases the processing quantity (production capacity) per unit time.

[0062] In this embodiment, the suction cup beam body 32 can slide back and forth along the first longitudinal guide rail 31 (extending in the X direction) inside the machining bed 20, driving the entire suction cup assembly to adjust its position in the X direction to adapt to workpieces of different lengths; a number of clamps 34 and a number of suction cups can slide back and forth in the Y direction along the suction cup beam body 32, and by adjusting the Y direction position of a single suction cup, precise adsorption of workpieces of different widths can be achieved.

[0063] When the four adsorption mechanisms of the left working position 211 fix the workpiece and cooperate with the processing head 60 to complete the processing, the four adsorption mechanisms of the right working position 212 can simultaneously complete the adsorption and clamping of the next workpiece. After the processing of the left working position 211 is completed, the gantry 40 moves directly to the right working position 212 for processing without waiting for clamping, thus increasing production capacity.

[0064] The gantry 40 slides along the X-axis via the slide rails 11 on both sides of the base 10 (the bottom sliders of the left and right columns 43 cooperate with the slide rails 11), driving the slide table 50 and the machining head 60 to move together in the X-axis, adjusting the position of the machining head 60 in the length direction of the workpiece; the slide table 50 can slide back and forth along the crossbeam of the gantry 40 in the Y-axis, driving the machining head 60 to adjust its position in the width direction of the workpiece; the machining head 60 can slide back and forth along the slide table 50 in the Z-axis, realizing the up and down feed of the machining head 60 and controlling the machining depth of the tool and the workpiece; the C-axis mechanism of the machining head 60 (detachably mounted on the fixed electric spindle) is driven to rotate by the C-axis drive unit, which can adjust the rotation angle of the tool, and cooperate with the X, Y, and Z axes to achieve five-axis linkage, meeting the high-precision machining requirements of complex curved surfaces, inclined holes, etc.

[0065] The gantry frame 40 is slidably mounted to the base 10 in the X-direction; the slide table 50 is slidably mounted on the crossbeam of the gantry frame 40 in the Y-direction; preferably, a protective cover is also provided on the outer side of the gantry frame 40. Preferably, the left and right ends of the crossbeam 42 are slidably connected to the left and right sides of the base 10 through the left column 42 and the right column 43, respectively, and the left and right ends of the crossbeam 42 extend beyond the left column 42 and the right column 43, respectively.

[0066] The machining head 60 can be slidably mounted on the slide table 50 in the Z direction. The machining head 60 is equipped with a tool changing electric spindle 63. The tool changing electric spindle 63 can be used to change tools in conjunction with the saddle-following tool magazine device 70. When tool changing is required, the main control console 90 can control the tool changing electric spindle 63 to cooperate with the saddle-following tool magazine device 70 to perform pneumatic automatic tool changing.

[0067] The machine head assembly includes at least a left saddle mechanism 61 and a right saddle mechanism 62; the left saddle mechanism 61 and the right saddle mechanism 62 are arranged side by side on the crossbeam of the gantry frame 40 and are positioned directly above the worktable 21; the left saddle mechanism 61 and / or the right saddle mechanism 62 are equipped with a tool changing electric spindle 63, which can be used to cooperate with the saddle to follow the tool magazine device 70 or the straight-line tool magazine device 80 for tool changing.

[0068] Preferably, the right saddle mechanism 62 includes a fixed electric spindle and a C-axis mechanism, the C-axis mechanism being detachably mounted on the fixed electric spindle; the C-axis mechanism includes a C-axis and a C-axis drive unit for driving the C-axis to rotate. The first drive device 753, servo motor 73, and reducer described below are electrically connected to the main control console 90;

[0069] The tool magazine mounting base 71 is fixed on the movable plate 74, the tool magazine mounting bracket 72 is disposed on the tool magazine mounting base 71, the servo motor 73 and the reducer are disposed on the tool magazine mounting bracket 72, and the tool disc is rotatably connected to the reducer; the tool disc is provided with multiple tool mounting positions.

[0070] The saddle-following tool magazine device 70 is connected to the right side of the crossbeam via the longitudinal crossbeam mechanism 75. The saddle-following tool magazine device 70 can be slidably mounted with the longitudinal crossbeam mechanism 75 in the Y direction, so that the saddle-following tool magazine device 70 and the machining head 60 slide along the X direction with the gantry frame 40.

[0071] The base is also equipped with a disc tool magazine device on its side. Its tool changing electric spindle 63 can be used to change tools in conjunction with the saddle-following tool magazine device 70, the straight-line tool magazine device 80, or the disc tool magazine device.

[0072] Preferably, the longitudinal beam mechanism 75 includes a longitudinal beam body 751, a second longitudinal guide rail 752 disposed on the longitudinal beam body 751, and a first drive device 753. The end of the longitudinal beam body 751 near the machining head 60 is connected to the beam. The saddle-following tool magazine device 70 is slidably mounted to the second longitudinal guide rail 752 in the Y direction via a movable plate 74. The output end of the first drive device 753 is connected to the movable plate 74 to control the saddle-following tool magazine device 70 to move along the extension direction of the second longitudinal guide rail 752, avoiding offset and jamming when the tool magazine moves, ensuring that the docking position error between the tool magazine and the machine head device (C-axis mechanism) is minimal, reducing tool setting deviation during tool change from the root, and ensuring machining accuracy. Furthermore, the longitudinal beam body 751 is directly connected to the beam and carries the tool magazine. Its structural strength can match the overall weight of the disc tool magazine, avoiding tool magazine position drift caused by carrier deformation during long-term use, and extending the service life of the equipment.

[0073] Preferably, the saddle-following tool magazine device 70 includes a tool magazine fixing base 71, a tool magazine mounting bracket 72, a servo motor 73, a reducer, a tool magazine cover 76, and a tool disc. The tool magazine fixing base 71 is fixed on a movable plate 74, the tool magazine mounting bracket 72 is disposed on the tool magazine fixing base 71, the servo motor 73 and the reducer are disposed on the tool magazine mounting bracket 72, and the tool disc is rotatably connected to the reducer; the tool disc is provided with multiple tool mounting positions. The tool magazine cover 76 includes a rotating tool magazine cover 76 and a fixed tool magazine cover 76. A rotating shaft is provided on the tool disc, and two bearings are provided on the rotating shaft. The rotating tool magazine cover 76 and the fixed tool magazine cover 76 are respectively mounted on the two bearings. The fixed tool magazine cover 76 is fixed to the tool magazine mounting bracket 72 by a connecting plate. A rotary cylinder is provided on the connecting plate. The rotating tool magazine cover 76 is fixedly connected to the piston rod of the rotary cylinder and rotates with the extension and retraction of the piston rod. When air enters the front end of the rotary cylinder, the rotating tool magazine cover 76 opens. When air enters the rear end of the rotary cylinder, the rotating tool magazine cover 76 closes. A sensor switch is provided on the tool magazine mounting bracket 72. Correspondingly, a tool magazine origin sensing block is provided on the tool disc.

[0074] In this embodiment, the automatic tool changing process of the saddle-following tool magazine device 70 is roughly as follows:

[0075] When the machining head 60 needs to change tools (such as during process switching or tool wear), the main control console 90 coordinates the machining head 60, the saddle-following tool magazine device 70, and the longitudinal beam mechanism 75 to complete the pneumatic automatic tool change according to the following steps:

[0076] Step 1: Return the machining head to its 60° position and prepare the tool magazine:

[0077] The main control console 90 first controls the machining head 60 to stop the current machining, and then moves the machining head 60 to the tool change origin (the preset tool magazine docking position) through the movement of the gantry 40 and the slide table 50.

[0078] At the same time, the main control console 90 sends a command to the saddle-following tool magazine device 70: the servo motor 73 starts, drives the tool disc to rotate through the reducer, the tool magazine origin sensing block on the tool disc triggers the sensing switch, and the tool disc stops precisely at the origin position corresponding to the "tool to be replaced installation position", ready to pick up the tool.

[0079] Step 2: Rotate the tool magazine cover 76 to open.

[0080] The main control console 90 sends an opening command to the rotary cylinder of the disc tool magazine: air enters at the front end of the rotary cylinder, the piston rod extends and retracts, causing the rotary tool magazine cover 76 to rotate and open, revealing the mounting position of the tool to be replaced, providing space for the tool to be taken out.

[0081] Step 3: The tool magazine moves in the Y direction and aligns with the machining head 60. The main control console 90 activates the first drive device 753 of the longitudinal beam mechanism 75. The drive saddle follows the movable plate 74 of the tool magazine device 70 and slides along the second longitudinal guide rail 752 (Y direction), so that the tool to be replaced on the tool disc is precisely close to the tool changing electric spindle 63 of the machining head 60 until the tool and the tool changing electric spindle 63 are completely matched.

[0082] Step 4: The tool changer spindle 63 picks up the tool. The main control panel 90 controls the tool changer spindle 63 to start the pneumatic tool clamping mechanism: the jaws inside the spindle open and align with the tool to be replaced on the tool disc; after alignment, the jaws close and clamp the tool from the mounting position on the tool disc. At the same time, the tool disc remains stationary to ensure that the tool picking process is stable and without deviation.

[0083] Step 5: Tool magazine reset and old tool return (optional, to be performed as needed). If the old tool needs to be returned (e.g., the replaced tool needs to be put back into the tool magazine), the main control panel 90 first controls the tool disc to rotate, turning the mounting position of the old tool to the docking position; then the first drive device 753 adjusts the Y-axis position of the tool magazine so that the old tool is aligned with the mounting position, the tool change electric spindle 63 opens the jaws, and puts the old tool back into the tool disc; after the old tool is returned, the first drive device 753 drives the tool magazine to slide in the opposite direction along the second longitudinal guide rail 752, returning to the initial waiting position.

[0084] Step 6: The rotating tool magazine cover 76 closes, the tool change is completed, and the main control console 90 sends a closing command to the rotary cylinder: air enters at the rear end of the rotary cylinder, the piston rod extends and retracts in the opposite direction, driving the rotating tool magazine cover 76 to rotate and close, protecting the remaining tools in the tool disc from chips and oil contamination; at the same time, the main control console 90 controls the machining head 60 to return to the machining origin through the movement of the gantry 40 and the slide table 50, the tool changing electric spindle 63 drives the new tool to rotate, ready to enter the next machining process, and the tool change process ends.

[0085] The key design feature of this invention lies in its automatic adsorption positioning mechanism. This mechanism includes a first longitudinal guide rail, several clamps, a suction cup beam body, and several suction cups. The suction cup beam body is slidably mounted to the first longitudinal guide rail in the X-axis direction. The clamps and suction cups are slidably mounted on the suction cup beam body in the Y-axis direction. This allows the clamps and suction cups to move flexibly in both the X and Y axes, enabling adjustments to their position and number based on the workpiece's size and shape. This ensures uniform distribution of adsorption force and prevents workpiece deformation during clamping. Furthermore, the adsorption positioning eliminates the need for clamping, reducing clamping errors and workpiece clamping time.

[0086] Secondly, the saddle-following tool magazine device is connected to the right side of the gantry beam via a longitudinal beam mechanism. The saddle-following tool magazine device can slide back and forth in the Y direction with the longitudinal beam mechanism, allowing the saddle-following tool magazine device and the machining head to slide along the X direction with the gantry. This allows the tool magazine position to be adjusted according to the machining position, shortening the tool change path between the machining head and the tool magazine. At the same time, the tool magazine and the machining head move together with the gantry, avoiding the machining range limitation caused by the fixed tool magazine during the machining process, and enabling full-area machining of large-sized workpieces.

[0087] The above description is merely a preferred embodiment of the present utility model and does not constitute any limitation on the technical scope of the present utility model. Therefore, any minor modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present utility model shall still fall within the scope of the technical solution of the present utility model.

Claims

1. A five-axis machining center with suction cups and automatic positioning fixtures, characterized in that: It includes a base, machining bed, automatic adsorption and positioning mechanism, gantry, slide table, machining head, saddle-mounted tool magazine device and main control console; The automatic adsorption positioning mechanism, the machining head, and the saddle-following tool magazine device are electrically connected to the main control console. The machining bed is mounted on the base, and a worktable is provided on the machining bed. The worktable has a left work position and a right work position arranged sequentially from left to right. The automatic adsorption and positioning mechanism can be movably set in the corresponding left and right work positions. The automatic adsorption and positioning mechanism includes a first longitudinal guide rail, several clamps, a suction cup beam body, and several suction cups. The first longitudinal guide rail extends along the X direction and is located inside the machining bed. The suction cup beam body can slide back and forth in the X direction and is installed together with the first longitudinal guide rail. The several clamps and several suction cups can slide back and forth in the Y direction and are installed on the suction cup beam body. The gantry can be slidably mounted to the base in the X direction; the slide can be slidably mounted on the crossbeam of the gantry in the Y direction; the machining head can be slidably mounted on the slide in the Z direction, and the machining head is equipped with a tool changing electric spindle, which can be used to change tools in conjunction with the saddle and tool magazine device; The saddle-following tool magazine device is connected to the right side of the crossbeam via a longitudinal beam mechanism. The saddle-following tool magazine device can be slidably mounted with the longitudinal beam mechanism in the Y direction, so that the saddle-following tool magazine device and the machining head slide along the X direction with the gantry.

2. The five-axis machining center with suction cup and fixture for automatic positioning according to claim 1, characterized in that: The longitudinal beam mechanism includes a longitudinal beam body, a second longitudinal guide rail disposed on the longitudinal beam body, and a first drive device. The end of the longitudinal beam body near the machining head is connected to the beam. The saddle-following tool magazine device is mounted together with the second longitudinal guide rail in a Y-direction slidable back and forth via a movable plate. The output end of the first drive device is connected to the movable plate to control the saddle-following tool magazine device to move along the extension direction of the second longitudinal guide rail.

3. The five-axis machining center with suction cup and fixture for automatic positioning according to claim 2, characterized in that: The saddle-following tool magazine device includes a tool magazine fixing base, a tool magazine mounting bracket, a servo motor, a reducer, a tool magazine cover, and a tool disc. The tool magazine mounting base is fixed to the movable plate, the tool magazine mounting bracket is set on the tool magazine mounting base, the servo motor and the reducer are set on the tool magazine mounting bracket, and the tool disc is rotatably connected to the reducer; the tool disc is provided with multiple tool mounting positions.

4. The five-axis machining center with suction cup and fixture for automatic positioning according to claim 1, characterized in that: The left and right ends of the crossbeam are slidably connected to the left and right sides of the base via the left and right columns, respectively, and the left and right ends of the crossbeam extend to the outside of the left and right columns, respectively.

5. The five-axis machining center with suction cup and fixture for automatic positioning according to claim 1, characterized in that: The automatic adsorption and positioning mechanism is provided in eight parts, of which four automatic adsorption and positioning mechanisms are arranged at intervals in the X direction on the left working position, and the other four automatic adsorption and positioning mechanisms are arranged at intervals in the X direction on the right working position.

6. The five-axis machining center with suction cup and fixture for automatic positioning according to claim 1, characterized in that: The machining head includes at least a left saddle mechanism and a right saddle mechanism; the left and right saddle mechanisms are arranged side by side on the crossbeam of the gantry and positioned directly above the worktable; the left and / or right saddle mechanisms are equipped with a tool changer spindle, which can be used to change tools in conjunction with a saddle-following tool magazine device or a straight-line tool magazine device.

7. The five-axis machining center with suction cup and fixture for automatic positioning according to claim 6, characterized in that: The right saddle mechanism includes a fixed electric spindle and a C-axis mechanism. The C-axis mechanism is detachably mounted on the fixed electric spindle. The C-axis mechanism includes a C-axis and a C-axis drive unit for driving the C-axis to rotate.

8. The five-axis machining center with suction cup and fixture for automatic positioning according to claim 1, characterized in that: The gantry frame is also equipped with a protective cover on its outer side.

9. The five-axis machining center with suction cup and fixture for automatic positioning according to claim 4, characterized in that: The base is provided with slide rails on both sides, and the left and right columns are slidably connected to the slide rails by sliders.

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