Fixing device for gantry numerical control machining center

By designing a fixing device including bottom plate, turntable, rotary column, connection block, cylinder, side plate and limit plate, the problem of difficult workpiece angle adjustment on the gantry CNC machining center is solved, and efficient workpiece processing and adaptive fixation of irregular workpieces are achieved.

CN222779167UActive Publication Date: 2025-04-22HEFEI MAXUN INTELLIGENT TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202421634789.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-11
Publication Date
2025-04-22
Estimated Expiration
2034-07-11

AI Technical Summary

Technical Problem

The existing fixing devices cannot directly adjust the angle of the workpiece on the gantry CNC machining center, resulting in the need to be readjusted and fixed when machining the side of the workpiece, which reduces working efficiency.

Method used

A fixing device including a base plate, a turntable, a rotating column, a connecting block, a cylinder, a side plate and a limiting plate is designed. The angle adjustment and rotation of the workpiece are realized through the motor and gear system, and the cylinder and limiting device are used to ensure the stable fixation of the workpiece.

Benefits of technology

It realizes flexible adjustment of workpiece angle, reduces readjustment and disassembly of workpieces, improves machining efficiency, and can adapt to the fixed needs of irregular workpieces.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of fixing devices, and discloses a fixing device for a gantry numerical control machining center. The fixing device for the gantry numerical control machining center comprises a machining center body and a bottom plate located below the machining center body. The bottom of the machining center body is connected with the workbench in a sliding mode, the top of the workbench is connected with the top of the bottom plate in an embedded mode, one end of the bottom plate is connected with the rotating disc through a fastener, the gear ring drives the rotating column to rotate in the connecting block, the rotating column drives the rotating disc to rotate, and the rotating disc drives a workpiece on the rotating disc to rotate. And then a telescopic motor is started, the telescopic motor pushes a limiting column to move, one end of the limiting column moves into a limiting hole, and a rotary disc is limited, so that the angle of the workpiece can be adjusted through the fixing device, and the workpiece does not need to be detached and fixed again when the side edge of the workpiece needs to be machined. Time and labor are saved, and working efficiency is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of fixing devices, in particular to a fixing device for a gantry numerical control machining center. Background Art

[0002] Gantry machining center refers to a machining center in which the axis of the spindle Z axis is set perpendicular to the worktable. The overall structure is a large-scale machining center machine tool with a gantry structure frame composed of double columns and a top beam, and there is a crossbeam in the middle of the double columns. It is especially suitable for machining large workpieces and workpieces with complex shapes.

[0003] When using gantry CNC machining, a fixing device is required to fix the workpiece to be processed on the gantry CNC machining center for processing.

[0004] However, after the existing fixing device fixes the workpiece, because the processing device of the gantry CNC machining center is in a downward state, the workpiece needs to be readjusted and fixed when processing the side of the workpiece. The existing fixing device cannot directly adjust the angle of the workpiece, which is time-consuming and labor-intensive and reduces work efficiency. Utility Model Content

[0005] The purpose of the utility model is to provide a fixing device for a gantry CNC machining center to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a fixing device for a gantry CNC machining center, comprising a machining center body and a base plate located below the machining center body; the bottom of the machining center body is connected to the workbench by sliding, the top of the workbench is connected to the top of the base plate by embedding, one end of the base plate is connected to the turntable by a fastener, the end of the turntable away from the base plate is connected to one end of a rotating column by welding, the end of the rotating column away from the turntable is connected to the inside of a connecting block by rotating, the bottom of the connecting block is connected to a cylinder by a fastener, one side of the base plate is connected to a side plate by sliding, and a limit plate is provided on the side plate.

[0007] Preferably, one side of the workbench is connected to the cylinder via a fastener, one end of the connecting block away from the cylinder is connected to the first motor via a fastener, and the output shaft of the first motor is connected to the second gear via a fastener.

[0008] Preferably, the second gear meshes with a gear ring, the gear ring is connected to the outer wall of the rotating column by welding, and limiting holes are provided on the rotating disk, and the limiting holes are distributed at equal intervals.

[0009] Preferably, one side of the connecting block is connected to the telescopic motor through a fastener, the output end of the telescopic motor is connected to the limit column through a fastener, the limit column is connected to one side of the connecting block in a sliding manner, and one end of the limit column is connected to the limit hole in an embedded manner.

[0010] Preferably, one side of the side plate is connected to one end of a rack via a fastener, one end of the rack away from the side plate is meshed with a first gear, and a second motor is provided on one side of the first gear.

[0011] Preferably, the output shaft of the second motor is connected to the first gear via a fastener, the second motor is connected to the base plate via a fastener, and the side plates are distributed on the base plate in a mirror-image manner.

[0012] Preferably, the side plate is connected to a bolt via a thread, one end of the bolt is connected to the limit plate via a rotating shaft, and the limit plate is connected to the inner wall of the side plate in an embedded manner.

[0013] Compared with the prior art, the beneficial effects achieved by the utility model are:

[0014] First, the utility model can adjust the angle of the workpiece by setting a base plate and a turntable, which is convenient for processing the side of the workpiece. The workpiece to be processed is placed on the base plate, and then the cylinder is opened by the solenoid valve. The cylinder drives the turntable to rise upward through the connecting block, and the turntable drives the workpiece on the base plate to rise, and then the second motor is turned on, and the second motor drives the first gear to rotate through the output shaft, and the first gear drives the side plate to move to one side of the workpiece through the rack, and then the first motor is turned on, and the first motor drives the second gear to rotate through the output shaft, and the second gear drives the gear ring to rotate, and the gear ring drives the rotating column to rotate inside the connecting block, and the rotating column drives the turntable to rotate, and the turntable drives the workpiece thereon to rotate until it rotates to the side angle that needs to be processed, and then the telescopic motor is turned on, and the telescopic motor drives the limit column to move, and one end of the limit column moves to the inside of the limit hole to limit the turntable, so as to achieve the adjustment of the angle of the workpiece through the fixing device, and there is no need to disassemble the workpiece and re-fix it when the side of the workpiece needs to be processed, which saves time and effort and improves work efficiency.

[0015] Second, the utility model can facilitate the fixation of irregular workpieces by setting a limit plate and a bolt. When the workpiece is placed on the bottom plate, the bolt is turned, and the bolt moves on the side plate through the thread. The movement of the bolt drives the movement of the limit plate, and the movement of the limit plate clamps one side of the workpiece. A limit plate is provided on each side plate, which is convenient for clamping different positions of the workpiece, so that it can adapt to the surface of an irregular object, reflecting the practicality of this device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1It is a three-dimensional diagram of the utility model;

[0017] Figure 2 It is a cross-sectional view of the utility model;

[0018] Figure 3 This is a schematic diagram of the workbench and base structure of the utility model;

[0019] Figure 4 This is a schematic diagram of the turntable and rotating column structure of the utility model;

[0020] Figure 5 It is a schematic diagram of the structure of the side plate and the limiting plate of the utility model.

[0021] Among them: 1. Machining center body; 2. Workbench; 3. Side panel; 4. Bottom plate; 5. Turntable; 6. First motor; 7. Second motor; 8. Rack; 9. First gear; 10. Limit plate; 11. Bolt; 12. Limit hole; 13. Rotating column; 14. Connecting block; 15. Cylinder; 16. Limit column; 17. Gear ring; 18. Second gear; 19. Telescopic motor. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-5A fixing device for a gantry CNC machining center includes a machining center body 1 and a bottom plate 4 located below the machining center body 1; the bottom of the machining center body 1 is connected to a workbench 2 in a sliding manner, the top of the workbench 2 is connected to the top of the bottom plate 4 in an embedded manner, one end of the bottom plate 4 is connected to a turntable 5 through a fastener, the end of the turntable 5 away from the bottom plate 4 is connected to one end of a rotating column 13 in a welding manner, the end of the rotating column 13 away from the turntable 5 is connected to the inside of a connecting block 14 in a rotating manner, the bottom of the connecting block 14 is connected to a cylinder 15 through a fastener, one side of the bottom plate 4 is connected to a side plate 3 in a sliding manner, and a limit plate 10 is provided on the side plate 3. The workpiece to be processed is placed on the bottom plate 4, and then the cylinder 15 is opened by an electromagnetic valve, and the cylinder 15 drives the turntable 5 to rise upward through the connecting block 14, and the turntable 5 drives the workpiece on the bottom plate 4 to rise, and then Then turn on the second motor 7, the second motor 7 drives the first gear 9 to rotate through the output shaft, the first gear 9 drives the side plate 3 to move to one side of the workpiece through the rack 8, and then turn on the first motor 6, the first motor 6 drives the second gear 18 to rotate through the output shaft, the second gear 18 drives the ring gear 17 to rotate, the ring gear 17 drives the rotating column 13 to rotate inside the connecting block 14, the rotating column 13 drives the turntable 5 to rotate, the turntable 5 drives the workpiece thereon to rotate until it rotates to the side angle that needs to be processed, and then turn on the telescopic motor 19, the telescopic motor 19 pushes the limit column 16 to move, one end of the limit column 16 moves to the inside of the limit hole 12, and the turntable 5 is limited, so that the angle of the workpiece can be adjusted by the fixing device, and there is no need to disassemble the workpiece and re-fix it when the side of the workpiece needs to be processed, which saves time and effort and improves work efficiency.

[0024] Specifically, one side of the workbench 2 is connected to the cylinder 15 via a fastener, one end of the connecting block 14 away from the cylinder 15 is connected to the first motor 6 via a fastener, and the output shaft of the first motor 6 is connected to the second gear 18 via a fastener.

[0025] Through the above technical solution, an electromagnetic valve is provided on the cylinder 15 for controlling the cylinder 15. The cylinder 15 is used to drive the base plate 4 to rise so that it is at a certain height from the workbench 2, so that the turntable 5 can effectively drive the base plate 4 to rotate.

[0026] Specifically, the second gear 18 meshes with the ring gear 17 , and the ring gear 17 is connected to the outer wall of the rotating column 13 by welding. The rotating disk 5 is provided with limiting holes 12 , and the limiting holes 12 are distributed at equal intervals.

[0027] Through the above technical solution, a plurality of limiting holes 12 can be provided as needed, so that after the turntable 5 rotates to a suitable angle, the turntable 5 can be limited by the limiting column 16 to prevent rotation when processing the workpiece.

[0028] Specifically, one side of the connecting block 14 is connected to the telescopic motor 19 through a fastener, the output end of the telescopic motor 19 is connected to the limit column 16 through a fastener, the limit column 16 is connected to one side of the connecting block 14 in a sliding manner, and one end of the limit column 16 is connected to the limit hole 12 in an embedded manner.

[0029] Through the above technical solution, the connecting block 14 is used to support the turntable 5 through the rotating column 13. At the same time, one end of the rotating column 13 will rotate inside the connecting block 14. One end of the rotating column 13 is trapezoidal to prevent the rotating column 13 from sliding out of the connecting block 14 at will.

[0030] Specifically, one side of the side plate 3 is connected to one end of the rack 8 through a fastener, and one end of the rack 8 away from the side plate 3 is meshed with the first gear 9 , and one side of the first gear 9 is provided with a second motor 7 .

[0031] Through the above technical solution, the side plate 3 is used to prevent the workpiece fixed on the base plate 4 from falling off, and is also used to support the limit plate 10. It can be moved to one side of the base plate 4 when not needed. When the workpiece is adjusted, the turntable 5 will drive the base plate 4 to adjust the angle, and will not directly drive the workpiece to flip over.

[0032] Specifically, the output shaft of the second motor 7 is connected to the first gear 9 via a fastener, the second motor 7 is connected to the bottom plate 4 via a fastener, and the side plates 3 are distributed on the bottom plate 4 in a mirror-image manner.

[0033] Through the above technical solution, the motor and the output shaft are integrated, the motor rotates through the output shaft, the motor is a servo motor, and a clamping and locking assembly is provided inside the motor to prevent the motor from still rotating when it stops working.

[0034] Specifically, the side plate 3 is connected to the bolt 11 through a thread, one end of the bolt 11 is connected to the limit plate 10 through a rotating shaft, and the limit plate 10 is connected to the inner wall of the side plate 3 in an embedded manner.

[0035] Through the above technical solution, one end of the bolt 11 is connected to the limit plate 10 through the rotating shaft to prevent the limit plate 10 from rotating when the bolt 11 rotates. At the same time, the limit plate 10 will be embedded in the side plate 3 when not in use.

[0036] When in use, first place the workpiece on the bottom plate 4, turn the bolt 11, the bolt 11 moves on the side plate 3 through the thread, the movement of the bolt 11 drives the limit plate 10 to move, the limit plate 10 moves to clamp one side of the workpiece, and a limit plate 10 is provided on each side plate 3, which is convenient for clamping different positions of the workpiece so that it can adapt to the surface of irregular objects, and then open the cylinder 15 through the solenoid valve, the cylinder 15 drives the turntable 5 to rise upward through the connecting block 14, and the turntable 5 drives the workpiece on the bottom plate 4 to rise, and then turn on the second motor 7, and the second motor 7 drives the first motor 10 through the output shaft. The gear 9 rotates, and the first gear 9 drives the side plate 3 to move to one side of the workpiece through the rack 8, and then the first motor 6 is turned on, and the first motor 6 drives the second gear 18 to rotate through the output shaft, and the second gear 18 drives the ring gear 17 to rotate, and the ring gear 17 drives the rotating column 13 to rotate inside the connecting block 14, and the rotating column 13 drives the turntable 5 to rotate, and the turntable 5 drives the workpiece thereon to rotate until it rotates to the side angle that needs to be processed, and then the telescopic motor 19 is turned on, and the telescopic motor 19 pushes the limit column 16 to move, and one end of the limit column 16 moves to the inside of the limit hole 12 to limit the turntable 5, and the work can be completed.

[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0038] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A fixing device for a gantry CNC machining center, comprising a machining center body (1), characterized in that: A bottom plate (4) located below the machining center body (1); The bottom of the machining center body (1) is connected to the workbench (2) in a sliding manner, the top of the workbench (2) is connected to the top of the base plate (4) in an embedded manner, one end of the base plate (4) is connected to the turntable (5) through a fastener, the end of the turntable (5) away from the base plate (4) is connected to one end of the rotating column (13) by welding, the end of the rotating column (13) away from the turntable (5) is connected to the inside of the connecting block (14) by rotating, the bottom of the connecting block (14) is connected to the cylinder (15) by a fastener, one side of the base plate (4) is connected to the side plate (3) in a sliding manner, and a limit plate (10) is provided on the side plate (3).

2. The fixing device for a gantry CNC machining center according to claim 1, characterized in that: One side of the workbench (2) is connected to the cylinder (15) via a fastener, one end of the connection block (14) away from the cylinder (15) is connected to the first motor (6) via a fastener, and the output shaft of the first motor (6) is connected to the second gear (18) via a fastener.

3. A fixing device for a gantry CNC machining center according to claim 2, characterized in that: The second gear (18) meshes with a gear ring (17), and the gear ring (17) is connected to the outer wall of the rotating column (13) by welding. The rotating disk (5) is provided with limiting holes (12), and the limiting holes (12) are distributed at equal intervals.

4. The fixing device for a gantry CNC machining center according to claim 3, characterized in that: One side of the connection block (14) is connected to the telescopic motor (19) via a fastener, the output end of the telescopic motor (19) is connected to the limit column (16) via a fastener, the limit column (16) is connected to one side of the connection block (14) in a sliding manner, and one end of the limit column (16) is connected to the limit hole (12) in an embedded manner.

5. The fixing device for a gantry CNC machining center according to claim 1, characterized in that: One side of the side plate (3) is connected to one end of a rack (8) via a fastener, and one end of the rack (8) away from the side plate (3) is meshed with a first gear (9), and a second motor (7) is provided on one side of the first gear (9).

6. The fixing device for a gantry CNC machining center according to claim 5, characterized in that: The output shaft of the second motor (7) is connected to the first gear (9) via a fastener, the second motor (7) is connected to the base plate (4) via a fastener, and the side plates (3) are distributed on the base plate (4) in a mirror-image manner.

7. The fixing device for a gantry CNC machining center according to claim 1, characterized in that: The side plate (3) is connected to a bolt (11) via a threaded connection, one end of the bolt (11) is connected to the limit plate (10) via a rotating shaft, and the limit plate (10) is connected to the inner wall of the side plate (3) in an embedded manner.