Four-axis flip clamping mechanism

Abstract

The utility model relates to the technical field of machining centers, specifically a four-axis flip clamping mechanism, including a four-axis machining center, bearing seats are symmetrically arranged at both ends of one side of the four-axis machining center, a beam body is movably installed between the two bearing seats, and linear guide rails are symmetrically arranged on both sides of the top of the beam body; a clamping mechanism is arranged between the upper ends of the linear guide rails, a flip mechanism is arranged at the left end of the four-axis machining center, and a positioning mechanism is arranged on the side of the beam body close to the flip mechanism. When the utility model clamps a workpiece, the position of the fixture bottom plate can be adjusted according to the specifications of the workpiece. During adjustment, the position of the fixture bottom plate can be arbitrarily adjusted on the linear guide rail and clamped and fixed by the guide rail clamp, and then after the workpiece is placed, it is clamped by cylinder 2 and the pad, and the clamping force can also be changed by adjusting the air pressure, so as to facilitate the adjustment of the position of the fixture to adapt to different processing requirements.

Description

Technical Field

[0001] The utility model relates to the technical field of machining centers, in particular to a four-axis flip clamping mechanism. Background Art

[0002] A machining center is a CNC machine tool that is mainly used for precision metal processing. It is commonly used in manufacturing industries, including aerospace, automotive manufacturing, mold manufacturing, medical equipment, etc. The machining center has a multi-axis motion system that can move and rotate in different directions to achieve precise processing of the workpiece.

[0003] At present, the flip clamping mechanism used in the existing machining centers on the market is not convenient for adjusting the position of the clamping mechanism when in use, which has certain limitations when clamping the workpiece. Therefore, it is necessary to design a four-axis flip clamping mechanism. Utility Model Content

[0004] The purpose of the utility model is to provide a four-axis flip clamping mechanism to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] Four-axis flip clamping mechanism, including

[0007] A four-axis machining center, wherein bearing seats are symmetrically arranged at both ends of one side of the four-axis machining center, a crossbeam body is movably installed between the two bearing seats, and linear guide rails are symmetrically arranged on both sides of the top of the crossbeam body;

[0008] A clamping mechanism is arranged between the upper ends of the linear guide rails, a turning mechanism is arranged at the left end of the four-axis machining center, and a positioning mechanism is arranged at a side of the beam body close to the turning mechanism.

[0009] Preferably, the clamping mechanism comprises a clamp bottom plate, a second cylinder and a cushion block, the clamp bottom plate is movably mounted on the top end of the linear guide rail, the second cylinder is arranged on the top end of one side of the clamp bottom plate, and the cushion block is arranged on the top end of the other side of the clamp bottom plate;

[0010] Preferably, the fixture bottom plate and the linear guide rail are perpendicular to each other;

[0011] Preferably, the flipping mechanism includes a servo motor and a reducer, the servo motor is arranged at the left top end of the four-axis machining center, the reducer is arranged at the output shaft end of the servo motor, and the other end of the reducer is fixedly connected to the beam body through a transmission shaft;

[0012] Preferably, the positioning mechanism includes an end face positioning device, a rotating wall and a cylinder 1, wherein the cylinder 1 is movably mounted on the outside of one side of the beam body, the rotating wall is movably mounted on the upper end of one side of the beam body close to the reducer, the bottom end of the rotating wall is movably connected to the output shaft of the cylinder 1 through a rotating shaft, and the end face positioning device is arranged on the side of the four-axis machining center close to the rotating wall;

[0013] Preferably, a guide rail clamp is provided on the outside of one side of the clamp base plate.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The four-axis flip clamping mechanism can adjust the position of the fixture base plate according to the specifications of the workpiece when clamping the workpiece. During adjustment, the position of the fixture base plate can be arbitrarily adjusted on the linear guide rail and clamped and fixed by the guide rail clamp. Then, after the workpiece is placed, it is clamped by cylinder 2 and the pad, and the clamping force can also be changed by adjusting the air pressure, so as to facilitate the adjustment of the position of the fixture to adapt to different processing requirements.

[0016] 2. For the four-axis flip clamping mechanism, before placing the workpiece, the cylinder 1 on one side of the beam body can be started. After the cylinder 1 is started, the rotating wall is controlled to flip upward through the rotating shaft, and then the workpiece is placed from one side of the rotating wall, and one end of the workpiece is made to abut against the inner side of the rotating wall, which is convenient for quick positioning. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall main structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the overall top view structure of the utility model.

[0019] In the figure: 1. Four-axis machining center; 2. Bearing seat; 3. Beam body; 4. Linear guide; 5. Fixture base plate; 6. Cylinder 2; 7. Pad; 8. Servo motor; 9. Reducer; 10. End face positioning device; 11. Rotating wall; 12. Cylinder 1; 13. Guide rail clamp. DETAILED DESCRIPTION

[0020] 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.

[0021] like Figure 1-2 As shown, a technical solution provided by the utility model:

[0022] A four-axis flipping clamping mechanism comprises a four-axis machining center 1, bearing seats 2 are symmetrically arranged at both ends of one side of the four-axis machining center 1, a beam body 3 is movably installed between the two bearing seats 2, and linear guide rails 4 are symmetrically arranged on both sides of the top of the beam body 3; a clamping mechanism is arranged between the upper ends of the linear guide rails 4, the clamping mechanism comprises a clamp base plate 5, a cylinder 2 6 and a cushion block 7, the clamp base plate 5 is movably installed on the top of the linear guide rail 4, the cylinder 2 6 is arranged at the top of one side of the clamp base plate 5, and the cushion block 7 is arranged at the top of the other side of the clamp base plate 5, the flipping mechanism comprises a servo motor 8 and a reducer 9, the servo motor 8 is arranged at the left top of the four-axis machining center 1, the reducer 9 is arranged at the output shaft end of the servo motor 8, and the other end of the reducer 9 is fixedly connected to the beam body 3 through a transmission shaft, the clamp base plate 5 and the linear guide rail 4 are perpendicular to each other, and a guide rail clamp 13 is arranged on the outside of one side of the clamp base plate 5;

[0023] In this embodiment, when clamping the workpiece, the position of the clamp base plate 5 can be adjusted according to the specifications of the workpiece. During adjustment, the position of the clamp base plate 5 can be adjusted arbitrarily on the linear guide rail 4 and clamped and fixed by the guide rail clamp 13. Then, after the workpiece is placed, it is clamped by the cylinder 2 6 and the pad 7, and the clamping force can also be changed by adjusting the air pressure, so as to facilitate the adjustment of the position of the clamp to adapt to different processing requirements.

[0024] like Figure 1 As shown, a flip mechanism is provided at one end of the left side of the four-axis machining center 1, and the flip mechanism includes a servo motor 8 and a reducer 9. The servo motor 8 is provided at the top left side of the four-axis machining center 1, and the reducer 9 is provided at the output shaft end of the servo motor 8. The other end of the reducer 9 is fixedly connected to the beam body 3 through a transmission shaft;

[0025] In this embodiment, when the angle of the beam body 3 needs to be controlled, the servo motor 8 is started, and the servo motor 8 drives the beam body 3 to flip through the reducer 9, and the tail end of the beam body 3 is guided by the bearing installed inside the bearing seat 2.

[0026] like Figure 1 As shown, a positioning mechanism is provided on one side of the beam body 3 close to the flipping mechanism, and the positioning mechanism includes an end face positioning device 10, a rotating wall 11 and a cylinder 12. The cylinder 12 is movably installed on the outside of one side of the beam body 3, and the rotating wall 11 is movably installed on the upper end of one side of the beam body 3 close to the reducer 9. The bottom end of the rotating wall 11 is movably connected to the output shaft of the cylinder 12 through a rotating shaft. The end face positioning device 10 is provided on one side of the four-axis machining center 1 close to the rotating wall 11;

[0027] In this embodiment, before the workpiece is placed, the cylinder 12 on one side of the beam body 3 can be started. After the cylinder 12 is started, the rotating wall 11 is controlled to flip upward through the rotating shaft, and then the workpiece is placed from one side of the rotating wall 11, and one end of the workpiece is made to abut against the inner side surface of the rotating wall 11, which is convenient for quick positioning.

[0028] Working principle: The servo motor 8 is connected to the reducer 9, which is fixed on one side of the four-axis machining center 1 and is in the same straight line as the beam body 3. The tail end of the beam body 3 is supported by a bearing, and the servo motor 8 can drive the beam body 3 to rotate. The end face of the beam body 3 can be flipped at any time as needed, and when clamping the workpiece, the position of the fixture base plate 5 can be adjusted according to the specifications of the workpiece. When adjusting, the position of the fixture base plate 5 can be adjusted on the linear guide rail 4 and clamped and fixed by the guide rail clamp 13. Then, after the workpiece is placed, it is clamped by the cylinder 2 6 and the pad 7, and the clamping force can also be changed by adjusting the air pressure to meet most customer needs.

[0029] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. Four-axis flip clamping mechanism, characterized by: include A four-axis machining center (1), wherein bearing seats (2) are symmetrically arranged at both ends of one side of the four-axis machining center (1), a crossbeam body (3) is movably installed between the two bearing seats (2), and linear guide rails (4) are symmetrically arranged on both sides of the top of the crossbeam body (3); A clamping mechanism is arranged between the upper ends of the linear guide rails (4), a turning mechanism is arranged at the left end of the four-axis machining center (1), and a positioning mechanism is arranged on the side of the beam body (3) close to the turning mechanism.

2. The four-axis flip clamping mechanism according to claim 1, characterized in that: The clamping mechanism comprises a clamp base plate (5), a second cylinder (6) and a cushion block (7); the clamp base plate (5) is movably mounted on the top end of a linear guide rail (4); the second cylinder (6) is arranged at the top end of one side of the clamp base plate (5); and the cushion block (7) is arranged at the top end of the other side of the clamp base plate (5).

3. The four-axis flip clamping mechanism according to claim 2 is characterized in that: The fixture bottom plate (5) and the linear guide rail (4) are perpendicular to each other.

4. The four-axis flip clamping mechanism according to claim 1, characterized in that: The turning mechanism comprises a servo motor (8) and a reducer (9); the servo motor (8) is arranged at the top left side of the four-axis machining center (1); the reducer (9) is arranged at the output shaft end of the servo motor (8); and the other end of the reducer (9) is fixedly connected to the crossbeam body (3) via a transmission shaft.

5. The four-axis flip clamping mechanism according to claim 4, characterized in that: The positioning mechanism comprises an end face positioning device (10), a rotating wall (11) and a cylinder one (12); the cylinder one (12) is movably mounted on the outside of one side of a beam body (3); the rotating wall (11) is movably mounted on the upper end of one side of the beam body (3) close to a reducer (9); the bottom end of the rotating wall (11) is movably connected to the output shaft of the cylinder one (12) via a rotating shaft; and the end face positioning device (10) is arranged on one side of the four-axis machining center (1) close to the rotating wall (11).

6. The four-axis flip clamping mechanism according to claim 2, characterized in that: A guide rail clamp (13) is arranged on the outside of one side of the clamp base plate (5).

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