Workpiece cutting mechanism

Abstract

The utility model relates to the technical field of workpiece cutting, in particular to a workpiece cutting mechanism which can block waste residues and light ejected by laser, avoid penetrating pipes, facilitate cleaning and prevent light from hurting people. Comprising a base, a Z-axis module, a laser head, a rotating assembly and a shielding assembly, the laser head is installed on the Z-axis module, the rotating assembly is installed at the top end of the base, the output end of the rotating assembly is connected with the Z-axis module, and the shielding assembly is installed in the rotating assembly.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of workpiece cutting, in particular to a workpiece cutting mechanism. BACKGROUND

[0002] Workpiece refers to the machining object in the machining process. It can be a single part or a combination of several parts fixed together. Cutting process is inevitable in the machining process. With the continuous improvement of fiber laser cutting technology, laser cutting is widely used. For example, the prior art publication No. CN210649077U proposes a laser cutting mechanism including a cantilever beam and a laser head. Its feature is that the X-axis module is horizontally installed on the upper end of the cantilever beam, the laser head is installed on the Z-axis sliding plate of the Z-axis module through the laser head mounting plate, and the Z-axis module is vertically installed on the X-axis sliding plate of the X-axis module through the Z-axis module mounting plate. However, when processing the cylindrical workpiece such as the muffler elbow pipe, the laser is easy to damage the workpiece of the pipe material. When the laser angle hits left and right or the upper part, the light injury to people may occur. SUMMARY

[0003] To solve the above technical problems, the utility model provides a workpiece cutting mechanism which can block the waste slag and light sprayed by the laser, avoid damaging the pipe material, facilitate cleaning and prevent light injury to people.

[0004] The utility model discloses a workpiece cutting mechanism, including base, Z axis module, laser head, rotating assembly and sheltering subassembly, the laser head is installed on Z axis module, rotating assembly is installed at the top of base, and the output end of rotating assembly is connected with Z axis module, and the sheltering subassembly is installed in rotating assembly;Workpiece is clamped through the customized clamp, and rotating assembly drives Z axis module to rotate around the pipe material, so that the laser head cuts the pipe material, and the sheltering subassembly extends into the pipe material, perpendicular to the lower end of cutting machine head, which facilitates blocking the waste slag and light sprayed by the laser, avoids damaging the pipe material, facilitates cleaning and prevents light injury to people.

[0005] Preferably, the rotating assembly includes a spindle box, a spindle, a flange, a connecting frame and a driving part. The spindle box is fixedly connected to the top of the base. The spindle is rotatably installed in the spindle box. The connecting frame is connected to the left end of the spindle through the flange. The Z-axis module is installed at the left end of the connecting frame. The connecting frame is provided with reinforcing ribs on the front and rear sides. The spindle rotates to drive the connecting frame to rotate, drive the Z-axis module and the laser head to rotate around the center of the spindle, and complete the cutting.

[0006] Preferably, the driving component comprises two synchronous wheels, a speed reducer, a motor and a synchronous belt, the speed reducer is installed at the top rear end of the base, the input end of the speed reducer is connected with the output end of the motor, the outer side of the right end of the main shaft is sleeved with a synchronous wheel, and the output end of the speed reducer is also installed with a synchronous wheel, the two synchronous wheels are connected through a synchronous belt; the motor drives the synchronous wheel and the synchronous belt to rotate through the speed reducer, so as to drive the main shaft to rotate, the motor increases the torque through the speed reducer, and the speed reducer and the main shaft are connected through the synchronous belt to realize stable power transmission ratio.

[0007] Preferably, the shielding assembly comprises an electric telescopic rod, a mounting plate, a core rod and a light blocking rod, the main shaft is internally hollow, the electric telescopic rod is installed on the connecting position of the left side wall of the connecting frame and the main shaft through the mounting plate, the electric telescopic rod is located in the main shaft, the telescopic end of the electric telescopic rod is installed with the core rod, and the left end of the core rod is detachably installed with the light blocking rod; when cutting, the electric telescopic rod is started to drive the core rod to move, so that the light blocking rod moves below the laser head and is perpendicular to the lower end of the cutting head, waste slag and light sprayed by the laser are conveniently blocked, the pipe material is prevented from being damaged, cleaning is facilitated, the light injury to people is effectively avoided when the laser head is angled to the front and back or the upper part, and the light blocking rod made of special steel is detachably arranged, so that the light blocking rod is convenient to replace.

[0008] Preferably, the utility model also comprises a counterweight plate, and the counterweight plate is installed at the right lower end of the connecting frame; the connecting frame drives the counterweight plate to rotate when rotating, eccentric force of the connecting frame is prevented, the main shaft is uniformly stressed, and cutting precision is ensured.

[0009] Compared with the prior art, the utility model has the beneficial effects that: workpieces are clamped through the customized clamp, the rotating assembly drives the Z-axis module to rotate around the pipe material, the laser head cuts the pipe material, the shielding assembly extends into the pipe material and is perpendicular to the lower end of the cutting head, waste slag and light sprayed by the laser are conveniently blocked, the pipe material is prevented from being damaged, cleaning is facilitated, and people are prevented from being injured by light. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 is the structural schematic diagram of the utility model;

[0011] Figure 2 is the axonometric structural schematic diagram of the utility model;

[0012] Figure 3 is the three-dimensional structural schematic diagram of the utility model;

[0013] Figure 4 is the second three-dimensional structural schematic diagram of the utility model;

[0014] Figure 5 is the structural schematic diagram of the Z-axis module and the laser head of the utility model;

[0015] The following are labeled in the attached diagram: 1. Base; 2. Z-axis module; 3. Laser head; 4. Spindle box; 5. Spindle; 6. Flange; 7. Connecting frame; 8. Synchronous pulley; 9. Reducer; 10. Motor; 11. Synchronous belt; 12. Electric telescopic rod; 13. Mounting plate; 14. Core rod; 15. Light blocking rod; 16. Counterweight plate. Detailed Implementation

[0016] To facilitate understanding of this utility model, a more complete description will be given below with reference to the accompanying drawings. This utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to make the disclosure of this utility model more thorough and complete.

[0017] like Figures 1 to 5 As shown, the laser head 3 is mounted on the Z-axis module 2, the spindle box 4 is fixedly connected to the top of the base 1, the spindle 5 is rotatably mounted inside the spindle box 4, the left end of the spindle 5 is connected to the connecting frame 7 through the flange 6, the Z-axis module 2 is mounted on the left end of the connecting frame 7, the connecting frame 7 is provided with reinforcing ribs on the front and rear sides, the reducer 9 is mounted on the top rear end of the base 1, the input end of the reducer 9 is connected to the output end of the motor 10, the right end of the spindle 5 is fitted with a synchronous pulley 8, and the output end of the reducer 9 is also fitted with a synchronous pulley 8. The two synchronous pulleys 8 are connected by a synchronous belt 11. The spindle 5 is hollow inside, the connection position between the connecting frame 7 and the spindle 5 is mounted on the mounting plate 13 through the mounting plate 13, the electric telescopic rod 12 is located inside the spindle 5, the telescopic end of the electric telescopic rod 12 is fitted with a core rod 14, the left end of the core rod 14 is detachably fitted with a light blocking rod 15, and the counterweight plate 16 is mounted on the lower right end of the connecting frame 7.

[0018] The workpiece is clamped by a customized fixture. The starter motor 10 drives the synchronous pulley 8 and synchronous belt 11 to rotate through the reducer 9, thereby driving the spindle 5 to rotate. The motor 10 increases the torque through the reducer 9. The reducer 9 and the spindle 5 are connected by the synchronous belt 11 to achieve a stable power transmission ratio. The rotation of the spindle 5 drives the connecting frame 7 to rotate through the flange 6, which drives the Z-axis module 2 and the laser head 3 to rotate around the center of the spindle 5 simultaneously to complete the cutting. During cutting, the electric telescopic rod 12 is activated to push the mandrel 14 to move, so that the light-blocking rod 15 moves to below the laser head 3, perpendicular to the lower end of the laser head, which can easily block the waste and light emitted by the laser, prevent it from penetrating the pipe, and facilitate cleaning. When the laser head 3 is angled forward, backward or upward, it can effectively prevent light from injuring people. The light-blocking rod 15 is made of special steel and can be detached for easy replacement. When the connecting frame 7 rotates, it drives the counterweight plate 16 to rotate, preventing the connecting frame 7 from having eccentric force, so that the spindle 5 is subjected to uniform force and ensuring cutting accuracy.

[0019] like Figures 1 to 5As shown, the workpiece cutting mechanism, when working, clamps the workpiece through the customized clamp, starts the motor 10 to drive the synchronous wheel 8 and the synchronous belt 11 to rotate through the speed reducer 9, thereby driving the main shaft 5 to rotate, the main shaft 5 rotates to drive the connecting frame 7 to rotate through the flange 6, drives the Z-axis module 2 and the laser head 3 to rotate around the center of the main shaft 5 at the same time, completes cutting, when cutting, the electric telescopic rod 12 is started to push the core rod 14 to move, the light blocking rod 15 is moved to below the laser head 3, which is perpendicular to the lower end of the cutting machine head, which is convenient for blocking the waste slag and light sprayed by the laser, avoids the pipe material, the connecting frame 7 drives the counterweight plate 16 to rotate when rotating, prevents the eccentric force of the connecting frame 7, and makes the main shaft 5 bear the force evenly.

[0020] The Z-axis module 2, the laser head 3, the speed reducer 9 and the motor 10 of the workpiece cutting mechanism are purchased on the market, and the technical personnel in the industry only needs to install and operate according to the attached instruction manual, without the technical personnel in the field paying creative labor.

[0021] The above is only the preferred embodiment of the utility model, and it should be pointed out that for ordinary technical personnel in the technical field, without departing from the technical principle of the utility model, a number of improvements and modifications can be made, and these improvements and modifications should be regarded as the protection range of the utility model.

Claims

1. A workpiece cutting mechanism, characterized by, It includes base (1), Z-axis module (2), laser head (3), rotating assembly and shielding assembly, laser head (3) is installed on Z-axis module (2), rotating assembly is installed at the top of base (1), the output end of rotating assembly is connected with Z-axis module (2), shielding assembly is installed in rotating assembly; The rotating assembly includes main shaft box (4), main shaft (5), flange (6), connecting frame (7) and driving part, main shaft box (4) is fixedly connected at the top of base (1), main shaft (5) is rotatably installed in main shaft box (4), connecting frame (7) is connected with the left end of main shaft (5) through flange (6), Z-axis module (2) is installed at the left end of connecting frame (7), reinforcing ribs are arranged on the front and back sides of connecting frame (7).

2. A workpiece cutting mechanism as claimed in claim 1, wherein, The driving part includes two synchronous wheels (8), speed reducer (9), motor (10) and synchronous belt (11), speed reducer (9) is installed at the top of base (1) rear end, the input end of speed reducer (9) is connected with the output end of motor (10), the right end of main shaft (5) is sleeved with synchronous wheel (8), and the output end of speed reducer (9) is provided with synchronous wheel (8), and the two synchronous wheels (8) are drivingly connected through synchronous belt (11).

3. A workpiece cutting mechanism as defined in claim 1, wherein, The shielding assembly includes electric telescopic rod (12), mounting plate (13), core rod (14) and light blocking rod (15), the inside of main shaft (5) is hollow, the connecting position of the left side wall of connecting frame (7) and main shaft (5) is provided with electric telescopic rod (12) through mounting plate (13), electric telescopic rod (12) is located in the inside of main shaft (5), the telescopic end of electric telescopic rod (12) is provided with core rod (14), and the left end of core rod (14) is detachably provided with light blocking rod (15).

4. The workpiece cutting mechanism of claim 1, wherein, It also includes counterweight plate (16), and the counterweight plate (16) is installed at the right lower end of connecting frame (7).

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