A switching mechanism for a machine tool tool magazine

Abstract

The utility model relates to numerical control machine tool technical field discloses a kind of switching mechanism for machine tool tool magazine, including mounting seat and mounting bracket, the mounting bracket surface is equipped with multiple sets of installation slot, and linear motor is connected and arranged in installation slot, the linear motor moving end is connected and is arranged with moving plate, the moving plate top is rotatably provided with rotating stand, and the rotating stand top is rotatably provided with connecting guide seat.The utility model can meet the switching between multiple tools by the setting of multiple moving plates on the surface of mounting bracket, and by the connection of adjusting mechanism, electric push rod one and electric push rod two and rotating stand, the angle of mechanical claw can be adjusted in a larger range, which facilitates the installation or taking of tools. Each linear motor can drive the mechanical claw holding the tool to extend out of the machine tool and directly deliver to the worker, without the need for personnel to enter the machine tool, effectively improving the safety of operation, ensuring the switching efficiency of tools, and reducing the operation time.

Description

Technical Field

[0001] This utility model relates to the field of CNC machine tool technology, specifically to a switching mechanism for a machine tool magazine. Background Technology

[0002] The machine tool has a relatively high degree of automation. It is divided into two parts: a machining section and a tool changing section. The tool head of the machine tool can move in five degrees of freedom, so it is quite flexible. In actual machining, a tool magazine is set on one side of the machine tool. Usually, a tool magazine contains at least forty tools. During the tool changing process, the machine tool usually needs to be stopped first, and then the operator selects the corresponding tool and installs it.

[0003] Since tool magazines are mostly located inside the machine tool, personnel need to enter the machine tool to operate them when switching between tools. This results in low switching efficiency and increases safety hazards. Although tool disassembly and assembly are convenient, it still takes a lot of time to switch between a large number of tools in a tool magazine, thus reducing efficiency. Utility Model Content

[0004] The purpose of this invention is to provide a switching mechanism for machine tool magazines to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: It includes a mounting base and a mounting frame. The mounting frame has multiple mounting slots on its surface, and a linear motor is connected to each slot. A moving plate is connected to the moving end of each linear motor. A rotating frame is rotatably mounted on the top of each moving plate. A connecting guide seat is rotatably mounted on the top of each rotating frame. An electric actuator is rotatably mounted between one side of the connecting guide seat and the rotating frame. Two electric actuators are rotatably mounted on the top of the moving plate, and their other ends are rotatably connected to the rotating frame. A fixed side plate is connected to one side of the connecting guide seat. A pushing cylinder is connected to one side of the fixed side plate. The output end of the pushing cylinder passes through the fixed side plate and is connected to an adjusting mechanism. A drive housing is connected to the inner side of the adjusting mechanism, and a mechanical claw is connected to the top of the drive housing.

[0006] Preferably, a support frame is connected to one side of the inner wall of the mounting frame, a connecting frame is connected to one end of the support frame, one end of the connecting frame extends into the mounting base, a stepper motor is connected to the inner side of the mounting base, and the output end of the stepper motor is connected to the connecting frame.

[0007] Preferably, the adjustment mechanism includes a guide rail fixedly mounted on the top of the connecting guide seat, a sliding frame slidably mounted inside the guide rail, and a connecting round shaft rotatably mounted inside the sliding frame. The ends of the connecting round shafts that are close to each other are connected to the drive housing, and the same U-shaped frame is connected to one side of the two connecting round shafts.

[0008] Preferably, one end of one of the connecting shafts passes through the sliding frame and is connected to a servo motor, while one end of the other connecting shaft is connected to an optical angle sensor.

[0009] Preferably, a connecting seat is provided on one side of the U-shaped frame, and the output end of the push cylinder is fixedly connected to the connecting seat.

[0010] Preferably, a controller is connected to the top of the movable plate.

[0011] Preferably, a sliding strip is connected to the bottom end of the movable plate, and a groove is provided on one side of the mounting bracket corresponding to the sliding strip.

[0012] In summary, this application includes the following beneficial technical effects:

[0013] The mounting bracket features multiple movable plates, allowing for the switching between various tools. An adjustment mechanism, in conjunction with electric actuators one and two connected to the rotating frame, enables a wider range of adjustment of the mechanical gripper's angle, facilitating tool installation and removal. Linear motors extend the mechanical gripper holding the tool beyond the machine tool's perimeter, directly handing it to the operator without requiring personnel to enter the machine. This effectively improves operational safety, ensures efficient tool switching, and reduces operation time. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of a switching mechanism for a machine tool magazine according to the present invention;

[0015] Figure 2 This is a side sectional view of a switching mechanism for a machine tool magazine according to the present invention.

[0016] Figure 3 This is a partial structural diagram of a switching mechanism for a machine tool magazine according to the present invention;

[0017] Figure 4 This is a schematic diagram of the adjustment mechanism in the switching mechanism of a machine tool magazine according to the present invention.

[0018] In the diagram: 1. Mounting base; 2. Stepper motor; 3. Connecting frame; 4. Support frame; 5. Mounting frame; 6. Linear motor; 7. Moving plate; 8. Rotating frame; 9. Connecting guide seat; 10. Electric actuator one; 11. Electric actuator two; 12. Fixed side plate; 13. Push cylinder; 14. U-shaped frame; 15. Guide rail; 16. Sliding frame; 17. Connecting round shaft; 18. Drive housing; 19. Servo motor; 20. Mechanical gripper; 21. Optical angle sensor; 22. Controller. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] Please see Figure 1-4 This utility model provides a technical solution: including a mounting base 1 and a mounting frame 5. The surface of the mounting frame 5 has multiple sets of mounting grooves, and a linear motor 6 is connected to each mounting groove. A moving plate 7 is connected to the moving end of the linear motor 6. A rotating frame 8 is rotatably mounted on the top of each moving plate 7. A connecting guide seat 9 is rotatably mounted on the top of the rotating frame 8. An electric push rod 10 is rotatably mounted between one side of the connecting guide seat 9 and the rotating frame 8. Two electric push rods 11 are rotatably mounted on the top of the moving plate 7. The other ends of the two electric push rods 11 are rotatably connected to the rotating frame 8. A fixed side plate 12 is connected to one side of the connecting guide seat 9. A push cylinder 13 is connected to one side of the fixed side plate 12. The output end of the push cylinder 13 passes through the fixed side plate 12 and is connected to an adjustment mechanism. A drive housing 18 is connected to the inside of the adjustment mechanism. A mechanical claw 20 is connected to the top of the drive housing 18.

[0021] Reference Figure 2 As shown, a support frame 4 is connected to one side of the inner wall of the mounting frame 5. A connecting frame 3 is connected to one end of the support frame 4. One end of the connecting frame 3 extends into the mounting base 1. A stepper motor 2 is connected to the inner side of the mounting base 1. The output end of the stepper motor 2 is connected to the connecting frame 3. The device is installed in a machine tool or on any movable base through the mounting base 1. When the stepper motor 2 is started, the support frame 4 is driven to rotate through the connecting frame 3, thereby causing the mounting frame 5 to rotate, thus switching the working unit located on the surface.

[0022] Reference Figure 3 and Figure 4As shown, the adjustment mechanism includes a guide rail 15 fixedly mounted on the top of the connecting guide seat 9. Sliding frames 16 are slidably mounted within the guide rail 15, and connecting shafts 17 are rotatably mounted on the inner side of each sliding frame 16. The ends of the connecting shafts 17 that are close to each other are connected to the drive housing 18. A U-shaped frame 14 is connected to one side of each of the two connecting shafts 17. One end of one connecting shaft 17 passes through the sliding frame 16 and is connected to a servo motor 19. An optical angle sensor 21 is connected to one end of the other connecting shaft 17. When the servo motor 19 is started, it drives the drive housing 18 to rotate via the connecting shafts 117, thereby changing the gripping angle of the mechanical claw 20. While adjusting the gripping angle, the optical angle sensor 21 checks the rotation angle in real time and simultaneously pushes the cylinder 13 to push the U-shaped frame 14, thus moving the mechanical claw 20 to grip and feed the tool. The sliding frame 16 allows the mechanical claw 20 to move back and forth while also adjusting its angle via the servo motor 19.

[0023] Reference Figure 3 As shown, a controller 22 is connected to the top of the movable plate 7, which can independently control the mechanical movement of each movable plate 7.

[0024] Reference Figure 1 and Figure 3 As shown, a sliding strip is connected to the bottom of the movable plate 7, and a sliding groove is opened on one side of the mounting bracket 5 corresponding to the sliding strip. When the linear motor 6 drives the movable plate 7 to move back and forth, the sliding strip can maintain the stability of the sliding and improve the support effect.

[0025] The implementation principle of this application is as follows: When in use, the device is installed inside the machine tool or on a movable base via the mounting base 1, with one end of the mounting bracket 5 parallel to the tool magazine. When tool switching is required, the tool can be pre-placed in the mechanical gripper 20. The linear motor 6 is driven, and the moving plate 7 drives the mechanical gripper 20 holding the tool to move into the inside of the machine tool. The rotation position of the mounting bracket 5 is adjusted by the stepper motor 2, so that the tool is in the tool magazine's upper tool position. Then, the cylinder 13 pushes the electric push rod 10 forward along the guide rail 15 through the U-shaped frame 14, locking the tool into the tool magazine slot. When the tool needs to be removed from the tool magazine, the reverse is performed. The operation is simple. First, the moving plate 7 drives the mechanical claw 20 to move forward or backward. Then, it retracts and drives the connecting guide seat 9 to rotate, adjusting the angle of the guide rail 15. At the same time, the electric push rod 11 extends or retracts and drives the rotating frame 8 to rotate, which can further adjust the tool position. When the mechanical claw 20 grabs the tool on the tool magazine, the servo motor 19 adjusts the picking angle, and at the same time, the electric push rod 11 retracts to remove the tool from the tool magazine. Then, the mounting frame 5 is driven to rotate so that the mechanical claw 20 with the tool is aligned with the slot of the tool magazine that was just taken out, and then it is installed to complete the switching. During the switching, an empty mechanical claw 20 can be reserved in advance for conversion.

[0026] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0027] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A switching mechanism for a machine tool magazine, comprising a mounting base (1) and a mounting bracket (5), characterized in that: The mounting bracket (5) has multiple mounting slots on its surface, and each mounting slot is connected to a linear motor (6). The moving end of the linear motor (6) is connected to a moving plate (7). The top of each moving plate (7) is rotatably mounted with a rotating frame (8). The top of the rotating frame (8) is rotatably mounted with a connecting guide seat (9). One electric push rod (10) is rotatably mounted between one side of the connecting guide seat (9) and the rotating frame (8). Two electric push rods (11) are rotatably mounted on the top of the moving plate (7). The other end of the two electric push rods (11) is rotatably connected to the rotating frame (8). One side of the connecting guide seat (9) is connected to a fixed side plate (12). One side of the fixed side plate (12) is connected to a push cylinder (13). The output end of the push cylinder (13) passes through the fixed side plate (12) and is connected to an adjustment mechanism. The inner side of the adjustment mechanism is connected to a drive housing (18). The top of the drive housing (18) is connected to a mechanical claw (20).

2. The switching mechanism for a machine tool magazine according to claim 1, characterized in that: A support frame (4) is connected to one side of the inner wall of the mounting frame (5). A connecting frame (3) is connected to one end of the support frame (4). One end of the connecting frame (3) extends into the mounting base (1). A stepper motor (2) is connected to the inner side of the mounting base (1). The output end of the stepper motor (2) is connected to the connecting frame (3).

3. The switching mechanism for a machine tool magazine according to claim 1, characterized in that: The adjustment mechanism includes a guide rail (15) fixedly installed at the top of the connecting guide seat (9). A sliding frame (16) is slidably installed inside the guide rail (15). A connecting round shaft (17) is rotatably installed inside the sliding frame (16). The ends of the connecting round shafts (17) that are close to each other are connected to the drive housing (18). The same U-shaped frame (14) is connected to one side of the two connecting round shafts (17).

4. A switching mechanism for a machine tool magazine according to claim 3, characterized in that: One of the connecting shafts (17) passes through the sliding frame (16) and is connected to a servo motor (19), while the other connecting shaft (17) is connected to an optical angle sensor (21).

5. A switching mechanism for a machine tool magazine according to claim 3, characterized in that: A connecting seat is provided on one side of the U-shaped frame (14), and the output end of the push cylinder (13) is fixedly set with the connecting seat.

6. A switching mechanism for a machine tool magazine according to claim 1, characterized in that: A controller (22) is connected to the top of the mobile plate (7).

7. A switching mechanism for a machine tool magazine according to claim 1, characterized in that: The bottom end of the movable plate (7) is connected to a sliding strip, and a groove is provided on one side of the mounting bracket (5) corresponding to the sliding strip.

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