Multi-axis gantry machining center

Abstract

The utility model relates to the technical field of machining, and discloses a multi-shaft gantry machining center which comprises a bottom plate, a portal frame is fixedly connected to the upper portion of the bottom plate, a limiting groove is formed in the middle of the portal frame, a first motor is fixedly connected to the front side of the upper portion of the portal frame, and the output end of the first motor is fixedly connected with a threaded rod. The threaded rod is fixedly connected with a threaded block in a threaded mode, the lower portion of the threaded block is fixedly connected with a limiting plate, sliding grooves are formed in the upper portions of the left side and the right side of the portal frame, sliding sleeves are slidably connected into the sliding grooves, sliding blocks are slidably connected into the sliding sleeves, and the right sides of the sliding sleeves are fixedly connected with a mounting frame. And an electric telescopic rod is fixedly connected to the interior of the mounting frame. According to the multi-shaft gantry machining center, through cooperation of the mounting groove, the second air cylinder, the clamping plate and other structures, the cutting tool can be conveniently replaced by the multi-shaft gantry machining center, and the practicability of the multi-shaft gantry machining center is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical processing, in particular to a multi-axis gantry processing center. Background Art

[0002] A gantry machining center refers to a machining center in which the spindle axis is arranged perpendicular to the worktable. It is mainly suitable for machining large parts. It is mainly divided into fixed beam type (fixed beam, movable / rotating worktable), movable beam type (beam moves up and down, worktable moves forward and backward), movable column type (worktable is fixed, gantry moves), overhead crane type (worktable is fixed, beam moves). There are also multiple types of gantry machining centers in the above composite forms. A multi-axis gantry machining center is a high-precision CNC machine tool used for machining large workpieces or batch production. It combines the advantages of a gantry machining center and a multi-axis machine tool, and can perform complex cutting processing on multiple coordinate axes. In the prior art, it is often not convenient to replace the cutting tool in a multi-axis gantry machining center, resulting in the general practicality of the multi-axis gantry machining center. Utility Model Content

[0003] In order to make up for the above shortcomings, the utility model provides a multi-axis gantry machining center, aiming to improve the problem in the prior art that it is inconvenient to replace the cutting tool and the general practicality of the multi-axis gantry machining center.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a multi-axis gantry machining center, comprising a base plate, a gantry is fixedly connected to the upper part of the base plate, a limiting groove is provided in the middle part of the gantry, a first motor is fixedly connected to the front side of the upper part of the gantry, a threaded rod is fixedly connected to the output end of the first motor, a threaded block is threadedly fixedly connected to the threaded rod, a limiting plate is fixedly connected to the lower part of the threaded block, sliding grooves are provided on the upper parts of the left and right sides of the gantry, a sliding sleeve is slidably connected inside the sliding groove, a slider is slidably connected inside the sliding sleeve, a mounting frame is fixedly connected to the right side of the sliding sleeve, an electric telescopic rod is fixedly connected inside the mounting frame, a slider is slidably connected inside the sliding sleeve, a first cylinder is fixedly connected to the lower part of the slider, a mounting sleeve is fixedly connected to the output end of the first cylinder, a rotating cutting assembly is arranged at the lower part of the mounting sleeve, and a tool changing assembly is arranged on the inner side of the gantry.

[0005] As a further description of the above technical solution:

[0006] The rotary cutting assembly includes a limit frame, a connecting frame, a second motor, a mounting plate and a cutting knife. The limit frame is slidably connected to the inner side of the mounting sleeve, the connecting frame is fixedly connected to the lower part of the limit frame, the second motor is fixedly connected inside the connecting frame, the mounting plate is fixedly connected to the output end of the second motor, and the cutting knife is evenly fixedly connected to the lower part of the mounting plate.

[0007] As a further description of the above technical solution:

[0008] The tool changing assembly includes a mounting groove, a second cylinder and a clamping plate. The mounting groove is opened on the upper left and right sides of the inner wall of the gantry. The second cylinder is fixedly connected to the front and rear sides of the mounting groove. The clamping plate is fixedly connected to the output end of the second cylinder.

[0009] As a further description of the above technical solution:

[0010] The limiting plate is slidably connected inside the limiting groove, and the lower part of the limiting plate is fixedly connected to the sliding sleeve.

[0011] As a further description of the above technical solution:

[0012] The left and right sides of the lower part of the bottom plate are both fixedly connected with support frames.

[0013] As a further description of the above technical solution:

[0014] Another rotating cutting assembly is arranged inside the installation groove on the left side, and the other rotating cutting assembly is located on the side close to the clamping plate.

[0015] The utility model has the following beneficial effects:

[0016] 1. In the utility model, the cooperation among the mounting groove, the second cylinder and the clamping plate and other structures realizes that the cutting tool of the multi-axis gantry machining center can be easily replaced, thereby improving the practicability of the multi-axis gantry machining center.

[0017] 2. In the utility model, the gantry machining center can conveniently perform rotary cutting on the workpiece through the cooperation among the first cylinder, the mounting sleeve, the limit frame, the connecting frame, the second motor, the mounting plate and the cutting knife. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A three-dimensional diagram of a multi-axis gantry machining center proposed by the utility model;

[0019] Figure 2 for Figure 1 A in the enlarged view;

[0020] Figure 3 This is a bottom view of a multi-axis gantry machining center proposed by the utility model;

[0021] Figure 4 The utility model is a cross-sectional view of a sliding sleeve of a multi-axis gantry machining center.

[0022] Legend:

[0023] 1. Base plate; 2. Support frame; 3. Gantry; 4. Slide groove; 5. Sliding sleeve; 6. Mounting frame; 7. Electric telescopic rod; 8. Sliding block; 9. Limiting groove; 10. First motor; 11. Threaded rod; 12. Threaded block; 13. Limiting plate; 14. First cylinder; 15. Mounting sleeve; 16. Limiting frame; 17. Connecting frame; 18. Second motor; 19. Mounting plate; 20. Cutting knife; 21. Mounting groove; 22. Second cylinder; 23. Clamp. DETAILED DESCRIPTION

[0024] 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.

[0025] Reference Figure 1-3 , an embodiment provided by the utility model: a multi-axis gantry machining center, including a base plate 1, a gantry 3 is fixedly connected to the upper part of the base plate 1, a limiting groove 9 is provided in the middle part of the gantry 3, a first motor 10 is fixedly connected to the front side of the upper part of the gantry 3, a threaded rod 11 is fixedly connected to the output end of the first motor 10, a threaded block 12 is threadedly fixedly connected to the threaded rod 11, a limiting plate 13 is fixedly connected to the lower part of the threaded block 12, a slide groove 4 is provided on the upper part of the left and right sides of the gantry 3, a sliding sleeve 5 is slidably connected inside the slide groove 4, a slider 8 is slidably connected inside the sliding sleeve 5, a mounting frame 6 is fixedly connected to the right side of the sliding sleeve 5, an electric telescopic rod 7 is fixedly connected inside the mounting frame 6, a slider 8 is slidably connected inside the sliding sleeve 5, a first cylinder 14 is fixedly connected to the lower part of the slider 8, and the first cylinder 14 is fixedly connected to the lower part of the slider 8. The output end of the cylinder 14 is fixedly connected with a mounting sleeve 15, and a rotating cutting assembly is arranged at the lower part of the mounting sleeve 15. A tool changing assembly is arranged on the inner side of the gantry 3. The rotating cutting assembly includes a limit frame 16, a connecting frame 17, a second motor 18, a mounting plate 19 and a cutting tool 20. The limit frame 16 is slidably connected to the inner side of the mounting sleeve 15, the connecting frame 17 is fixedly connected to the lower part of the limit frame 16, the second motor 18 is fixedly connected inside the connecting frame 17, the mounting plate 19 is fixedly connected to the output end of the second motor 18, the cutting tool 20 is evenly fixedly connected to the lower part of the mounting plate 19, the limit plate 13 is slidably connected inside the limit groove 9, the lower part of the limit plate 13 is fixedly connected to the sliding sleeve 5, and the left and right sides of the lower part of the base plate 1 are fixedly connected with the support frame 2, and the multi-axis gantry machining center is supported by the support frame 2.

[0026] When it is necessary to perform cutting processing on the workpiece, the first motor 10 is started so that the first motor 10 drives the threaded rod 11 to rotate, the threaded rod 11 drives the threaded block 12 to rotate, the threaded block 12 drives the limiting plate 13 to move, the limiting plate 13 drives the sliding sleeve 5 to slide and adjust the position inside the slide groove 4, and then the electric telescopic rod 7 is started so that the electric telescopic rod 7 drives the sliding block 8 to slide inside the sliding sleeve 5, the sliding block 8 drives the first cylinder 14 to move and adjust the position, and then the first cylinder 14 is started so that the first cylinder 14 drives the mounting sleeve 15 to move downward, the mounting sleeve 15 drives the limiting frame 16 to move, the limiting frame 16 drives the connecting frame 17 to move, and the connecting frame 17 drives the second motor 18 to move, and finally the second motor 18 is started so that the second motor 18 drives the mounting plate 19 to rotate, and the mounting plate 19 drives the cutting tool 20 to perform rotational cutting on the workpiece, thereby realizing that the gantry machining center is convenient for rotational cutting of the workpiece.

[0027] The tool changing assembly includes a mounting groove 21, a second cylinder 22 and a clamping plate 23. The mounting groove 21 is opened on the upper left and right sides of the inner wall of the gantry 3. The second cylinder 22 is fixedly connected to the front and rear sides of the mounting groove 21. The clamping plate 23 is fixedly connected to the output end of the second cylinder 22. Another rotating cutting assembly is arranged inside the left mounting groove 21, and the other rotating cutting assembly is located on the side close to the clamping plate 23.

[0028] When the cutting tool 20 needs to be replaced, the electric telescopic rod 7 drives the slider 8 to slide inside the sliding sleeve 5, the slider 8 drives the first cylinder 14 to move, the first cylinder 14 drives the mounting sleeve 15 to move, the mounting sleeve 15 drives the rotating cutting assembly to move into the mounting groove 21, and then the second cylinder 22 is started to push the clamping plate 23 so that the clamping plate 23 clamps the rotating cutting assembly, and then the electric telescopic rod 7 is started to make the rotating cutting assembly separate from the mounting sleeve 15, thereby realizing the convenience of replacing the cutting tool 20 of the multi-axis gantry machining center and improving the practicability of the multi-axis gantry machining center.

[0029] Working principle: when it is necessary to cut the workpiece, start the first motor 10 so that the first motor 10 drives the threaded rod 11 to rotate, the threaded rod 11 drives the threaded block 12 to rotate, the threaded block 12 drives the limit plate 13 to move, the limit plate 13 drives the sliding sleeve 5 to slide and adjust the position inside the slide groove 4, and then start the electric telescopic rod 7 so that the electric telescopic rod 7 drives the slider 8 to slide inside the sliding sleeve 5, the slider 8 drives the first cylinder 14 to move and adjust the position, and then start the first cylinder 14 so that the first cylinder 14 drives the installation sleeve 15 to move downward, the installation sleeve 15 drives the limit frame 16 to move, the limit frame 16 drives the connecting frame 17 to move, the connecting frame 17 drives the second motor 18 to move, and finally start the second motor 18 so that the second motor 18 drives The mounting plate 19 rotates, and the mounting plate 19 drives the cutting tool 20 to perform rotational cutting on the workpiece, thereby realizing that the gantry machining center is convenient for rotational cutting of the workpiece. When the cutting tool 20 needs to be replaced, the electric telescopic rod 7 drives the slider 8 to slide inside the sliding sleeve 5, and the slider 8 drives the first cylinder 14 to move, and the first cylinder 14 drives the mounting sleeve 15 to move, and the mounting sleeve 15 drives the rotating cutting assembly to move into the mounting groove 21, and then the second cylinder 22 is started to make the second cylinder 22 push the clamping plate 23 so that the clamping plate 23 clamps the rotating cutting assembly, and then the electric telescopic rod 7 is started to make the rotating cutting assembly separate from the mounting sleeve 15, thereby realizing that the multi-axis gantry machining center is convenient for replacing the cutting tool 20, and the practicality of the multi-axis gantry machining center is improved.

[0030] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A multi-axis gantry machining center, comprising a base plate (1), characterized in that: The upper part of the bottom plate (1) is fixedly connected to a gantry (3), a limiting groove (9) is provided in the middle of the upper part of the gantry (3), a first motor (10) is fixedly connected to the front side of the upper part of the gantry (3), a threaded rod (11) is fixedly connected to the output end of the first motor (10), the threaded rod (11) is threadedly fixedly connected to a threaded block (12), the lower part of the threaded block (12) is fixedly connected to a limiting plate (13), and the upper parts of the left and right sides of the gantry (3) are both provided with sliding grooves (4), and the sliding grooves (4) are slidably connected to the inside of the sliding grooves (4). A movable sleeve (5), a slider (8) is slidably connected inside the sliding sleeve (5), a mounting frame (6) is fixedly connected to the right side of the sliding sleeve (5), an electric telescopic rod (7) is fixedly connected inside the mounting frame (6), a slider (8) is slidably connected inside the sliding sleeve (5), a first cylinder (14) is fixedly connected to the lower part of the slider (8), a mounting sleeve (15) is fixedly connected to the output end of the first cylinder (14), a rotary cutting assembly is arranged at the lower part of the mounting sleeve (15), and a tool changing assembly is arranged inside the gantry (3).

2. A multi-axis gantry machining center according to claim 1, characterized in that: The rotary cutting assembly comprises a limit frame (16), a connecting frame (17), a second motor (18), a mounting plate (19) and a cutting blade (20); the limit frame (16) is slidably connected to the inner side of the mounting sleeve (15); the connecting frame (17) is fixedly connected to the lower part of the limit frame (16); the second motor (18) is fixedly connected to the inside of the connecting frame (17); the mounting plate (19) is fixedly connected to the output end of the second motor (18); and the cutting blade (20) is evenly fixedly connected to the lower part of the mounting plate (19).

3. A multi-axis gantry machining center according to claim 1, characterized in that: The tool changing assembly comprises a mounting groove (21), a second cylinder (22) and a clamping plate (23); the mounting groove (21) is provided at the upper left and right sides of the inner wall of the gantry (3); the second cylinder (22) is fixedly connected to the front and rear sides of the mounting groove (21); and the clamping plate (23) is fixedly connected to the output end of the second cylinder (22).

4. The multi-axis gantry machining center according to claim 1, characterized in that: The limiting plate (13) is slidably connected inside the limiting groove (9), and the lower part of the limiting plate (13) is fixedly connected to the sliding sleeve (5).

5. The multi-axis gantry machining center according to claim 1, characterized in that: Support frames (2) are fixedly connected to both left and right sides of the lower part of the bottom plate (1).

6. The multi-axis gantry machining center according to claim 3, characterized in that: Another rotating cutting assembly is arranged inside the left installation groove (21), and the other rotating cutting assembly is located on the side close to the clamping plate (23).

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