Automatic tool changing device of numerical control machining center

Abstract

The utility model relates to the field of numerical control machining, and discloses a numerical control machining center automatic tool changing device which comprises a first shell, a second shell is arranged on the top face of the first shell, a through opening is formed in the first shell, an adjusting assembly is arranged in the second shell, the adjusting assembly is connected with a cutterhead, and a plurality of fixing frames are arranged on the top face of the cutterhead. The interior of each fixing frame is connected with a mounting frame through a bolt. The output end of the motor drives the shaft rod to rotate, rotation of the shaft rod drives the connecting rod to rotate, rotation of the connecting rod drives the sliding rod to rotate, the sliding rod is in sliding connection with the sliding groove, namely, the sliding rod drives the cross plate to intermittently rotate by 45 degrees, and rotation of the cross plate drives the rotating rod to rotate; the rotating rod rotates to drive the cutterhead to rotate, the cutterhead rotates to drive the tool bits to rotate through the fixing frame, the tool bits of different types on the cutterhead can sequentially rotate to the through opening, and automatic replacement of the tool bits for machining can be achieved under the condition that a machine is not stopped.

Description

Technical Field

[0001] The present application relates to the field of numerical control machining, and in particular to an automatic tool changing device for a numerical control machining center. Background Art

[0002] The CNC machining center is a CNC machining machine with comprehensive functions. It integrates the functions of milling, boring, drilling, tapping and thread cutting on one device, giving it a variety of process methods. It is one of the CNC machine tools with strong comprehensive capabilities and the widest application.

[0003] When using the current CNC machining centers, different types of tool heads still need to be replaced manually. Manual tool changing operations not only have low disassembly and assembly efficiency, but also put workers at risk of being injured by the tools when changing tools. This is very dangerous and affects the parts processing efficiency while also posing certain safety hazards and making the operation inconvenient. Utility Model Content

[0004] In order to solve the problem that manual tool changing operation not only has low disassembly and assembly efficiency, but also workers are at risk of being injured by the tool when changing the tool, which is highly dangerous and affects the parts processing efficiency while also having certain safety hazards and being inconvenient to operate, the present application provides an automatic tool changing device for a CNC machining center.

[0005] The present application provides an automatic tool changing device for a numerical control machining center, which adopts the following technical scheme: an automatic tool changing device for a numerical control machining center, comprising a first shell, a second shell is provided on the top surface of the first shell, a through opening is provided on the first shell, an adjustment component is provided inside the second shell, the adjustment component is connected to a tool disc, a plurality of fixing frames are provided on the top surface of the tool disc, a mounting frame is connected to the inside of each fixing frame by bolts, a tool head is penetrated on the mounting frame, the adjustment component comprises a partition, a two-thirds circular plate and a cross plate are provided on the top surface of the partition, the two-thirds circular plate and the cross plate are matched and connected, a shaft rod is penetrated on the two-thirds circular plate, a connecting rod is sleeved on the top of the shaft rod, a sliding rod is provided on the bottom surface of the free end of the connecting rod, the bottom of the shaft rod passes through the partition, and is extended upward to be connected to the output end of the motor, the four end surfaces of the cross plate are provided with sliding grooves, the sliding grooves are slidably connected to the sliding rod, a rotating rod is penetrated on the cross plate, the bottom end of the rotating rod passes through the second shell and the first shell in sequence, and extends downward to be connected to the tool disc.

[0006] Preferably, four fixing frames are provided and are equidistantly distributed in a circle, and each fixing frame corresponds to each sliding groove one by one.

[0007] In summary, this application includes the following beneficial technical effects:

[0008] The output end of the motor drives the shaft to rotate, the rotation of the shaft drives the connecting rod to rotate, the rotation of the connecting rod drives the slide bar to rotate, because the slide bar is slidingly connected to the slide groove, that is, the slide bar drives the cross plate to rotate intermittently by 45 degrees, the rotation of the cross plate drives the rotating rod to rotate, the rotation of the rotating rod drives the cutter disc to rotate, the rotation of the cutter disc drives the cutter head to rotate through the fixed frame, so that different types of cutter heads on the cutter disc can be rotated to the opening in turn, and the automatic replacement of the processing cutter head can be realized without stopping the machine, and the tool changing process is automatic and fast. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 It is a structural front view of an embodiment of the application;

[0010] Figure 2 is a bottom view of the structure of the embodiment of the application;

[0011] Figure 3 It is a schematic diagram of the structure of the regulating component of the embodiment of the application.

[0012] Explanation of the reference numerals: 1. first shell; 2. second shell; 3. fixing frame; 4. through opening; 5. mounting frame; 6. cutter head; 7. cutter disc; 8. motor; 9. rotating rod; 10. slide groove; 11. cross plate; 12. two-thirds circular plate; 13. shaft rod; 14. connecting rod; 15. slide rod; 16. partition. DETAILED DESCRIPTION

[0013] The following is combined with Figure 1-3 This application is described in further detail.

[0014] The present application discloses an automatic tool changing device for a CNC machining center, referring to Figure 1 and Figure 2 , including a first shell body 1, a second shell body 2 is fixedly provided on the top surface of the first shell body 1, a through opening 4 is opened on the first shell body 1, an adjusting component is provided inside the second shell body 2, the adjusting component is connected with a cutter disc 7, the cutter disc 7 is movably arranged inside the first shell body 1, a plurality of fixing frames 3 are fixedly provided on the top surface of the cutter disc 7, each fixing frame 3 is connected with a mounting frame 5 by bolts, a cutter head 6 is fixedly penetrated on the mounting frame 5, four fixing frames 3 are provided, and are distributed at equal distances in a circle, and each fixing frame 3 corresponds to each slide groove 10 one by one, and is detachably connected through the mounting frame 5, the bolts and the fixing frame 3, so that the cutter head 6 can be removed for maintenance and replacement at a later time.

[0015] Reference Figure 1-Figure 3The adjustment component includes a partition 16, which is fixedly arranged inside the second shell 2. A two-thirds circular plate 12 and a cross plate 11 are movably provided on the top surface of the partition 16. The two-thirds circular plate 12 and the cross plate 11 are matched and connected. A shaft 13 is fixedly penetrated on the two-thirds circular plate 12. The top surface of the shaft 13 is rotatably connected to the second shell 2. A connecting rod 14 is fixedly sleeved on the top of the shaft 13. A sliding rod 15 is fixedly provided on the bottom surface of the free end of the connecting rod 14. The bottom of the shaft 13 passes through the partition 16 and extends upward to be connected to the output end of the motor 8. The motor 8 is detachably connected to the second shell 2. Slide grooves 10 are provided on the four end surfaces of the cross plate 11. The slide grooves 10 are slidably connected to the sliding rod 15. A rotating rod 9 is fixedly penetrated on the cross plate 11. The top surface of the rotating rod 9 is rotatably connected to the second shell The two-phase rotation connection, the bottom end of the rotating rod 9 passes through the second shell 2 and the first shell 1 in sequence, and extends downward to be fixedly connected with the cutter disc 7, and drives the shaft rod 13 to rotate through the output end of the motor 8, and the rotation of the shaft rod 13 drives the connecting rod 14 to rotate, and the rotation of the connecting rod 14 drives the slide bar 15 to rotate. Since the slide bar 15 is slidingly connected with the slide groove 10, that is, the slide bar 15 drives the cross plate 11 to rotate intermittently by 45 degrees, the rotation of the cross plate 11 drives the rotating rod 9 to rotate, and the rotation of the rotating rod 9 drives the cutter disc 7 to rotate. The rotation of the cutter disc 7 drives the cutter head 6 to rotate through the fixed frame 3, so that different types of cutter heads 6 on the cutter disc 7 can be rotated to the through port 4 in sequence, and the automatic replacement of the processing cutter head 6 can be realized without stopping the machine, and the tool changing process is automatic and fast.

[0016] The implementation principle of an automatic tool changing device for a CNC machining center in an embodiment of the present application is as follows: when in use, the output end of the motor 8 drives the shaft rod 13 to rotate, the rotation of the shaft rod 13 drives the connecting rod 14 to rotate, and the rotation of the connecting rod 14 drives the slide bar 15 to rotate. Since the slide bar 15 is slidingly connected to the slide groove 10, the slide bar 15 drives the cross plate 11 to rotate intermittently by 45 degrees, the rotation of the cross plate 11 drives the rotating rod 9 to rotate, and the rotation of the rotating rod 9 drives the tool disc 7 to rotate. The rotation of the tool disc 7 drives the cutter head 6 to rotate through the fixed frame 3, so that different types of cutter heads 6 on the tool disc 7 can be rotated to the opening 4 in sequence.

[0017] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0018] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0019] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

[0020] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. An automatic tool changing device for a CNC machining center, comprising a first housing (1), characterized in that: The top surface of the first shell (1) is provided with a second shell (2), the first shell (1) is provided with a through opening (4), the interior of the second shell (2) is provided with an adjustment component, the adjustment component is connected to a cutter disc (7), the top surface of the cutter disc (7) is provided with a plurality of fixing frames (3), the interior of each fixing frame (3) is connected to a mounting frame (5) by bolts, a cutter head (6) is passed through the mounting frame (5), the adjustment component comprises a partition (16), the top surface of the partition (16) is provided with a two-thirds circular plate (12) and a cross plate (11), the two-thirds circular plate (12) and the cross plate (11) are matched and connected A shaft rod (13) is passed through the two-thirds circular plate (12), a connecting rod (14) is sleeved on the top of the shaft rod (13), a sliding rod (15) is provided on the bottom surface of the free end of the connecting rod (14), the bottom of the shaft rod (13) passes through the partition (16), and extends upward to be connected to the output end of the motor (8), the four end surfaces of the cross plate (11) are all provided with sliding grooves (10), the sliding grooves (10) are slidably connected to the sliding rod (15), and a rotating rod (9) is passed through the cross plate (11), the bottom end of the rotating rod (9) passes through the second shell (2) and the first shell (1) in sequence, and extends downward to be connected to the cutter disc (7).

2. The automatic tool changing device for a CNC machining center according to claim 1, characterized in that: Four fixing frames (3) are provided and are distributed in a circular shape at equal distances, and each fixing frame (3) corresponds one-to-one to each sliding groove (10).

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