CN223670448U - Workpiece cutting mechanism - Google Patents

Abstract

This utility model relates to the technical field of workpiece cutting, and in particular to a workpiece cutting mechanism that can block the waste residue and light emitted by the laser, prevent it from penetrating the pipe, facilitate cleaning, and prevent light from injuring people; it includes a base, a Z-axis module, a laser head, a rotating component, and a shielding component. The laser head is mounted on the Z-axis module, the rotating component is mounted on the top of the base, the output end of the rotating component is connected to the Z-axis module, and the shielding component is installed inside the rotating component.

Description

Workpiece cutting mechanism

Technical Field

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

Background

A workpiece refers to a processing object in a machining process. The laser cutting mechanism can be a single part or a combination of a plurality of parts fixed together, the cutting procedure is inevitably needed in the processing process, along with the continuous improvement of the optical fiber laser cutting technology, the laser cutting application is very wide, for example, a laser cutting mechanism proposed by the prior art publication No. CN210649077U comprises a cantilever beam and a laser head, and is characterized in that an X-axis module is horizontally arranged at the upper end of the cantilever beam, the laser head is arranged on a Z-axis sliding plate of the Z-axis module through a laser head mounting plate, and the Z-axis module is vertically arranged on the X-axis sliding plate of the X-axis module through a Z-axis module mounting plate. However, when a cylindrical workpiece such as a bent pipe of a muffler is processed, a laser beam is likely to damage the workpiece by passing through the pipe, and when the laser beam is directed to the right and left or to the upper portion, the laser beam is likely to injure a person.

Disclosure of utility model

In order to solve the technical problems, the utility model provides the workpiece cutting mechanism which can block waste residues and light sprayed by laser, avoid pipe penetration, and facilitate cleaning and prevent light injury to people.

The workpiece is clamped by the custom fixture, the rotating assembly drives the Z-axis module to rotate around the pipe, so that the laser head cuts the pipe, and meanwhile, the shielding assembly stretches into the pipe and is perpendicular to the lower end of the cutting machine head, waste residues and light sprayed by laser are conveniently blocked, pipe penetration is avoided, cleaning is convenient, and light injury is prevented.

Preferably, the rotating assembly comprises a main shaft box, a main shaft, a flange, a connecting frame and a driving part, wherein the main shaft box is fixedly connected to the top of the base, the main shaft is rotatably arranged in the main shaft box, the left end of the main shaft is connected with the connecting frame through the flange, the Z-axis module is arranged at the left end of the connecting frame, reinforcing ribs are arranged on the front side and the rear side of the connecting frame, the main shaft rotates to drive the connecting frame to rotate through the flange, and the Z-axis module and the laser head are driven to simultaneously rotate around the center of the main shaft to finish cutting.

Preferably, the driving part comprises two synchronous wheels, a speed reducer, a motor and a synchronous belt, wherein the speed reducer is arranged at the rear end of the top of the base, the input end of the speed reducer is connected with the output end of the motor, the synchronous wheels are sleeved outside the right end of the main shaft, the synchronous wheels are arranged at the output end of the speed reducer, the two synchronous wheels are in transmission connection through the synchronous belt, the motor is started to drive the synchronous wheels and the synchronous belt to rotate through the speed reducer, so that the main shaft is driven to rotate, the torque of the motor is increased through the speed reducer, and the speed reducer is connected with the main shaft through the synchronous belt to realize stable power transmission ratio.

Preferably, the shielding assembly comprises an electric telescopic rod, a mounting plate, a core rod and a blocking polished rod, wherein the inside of a main shaft is hollow, the electric telescopic rod is arranged at the connecting position between the left side wall of the connecting frame and the main shaft through the mounting plate, the electric telescopic rod is positioned inside the main shaft, the core rod is arranged at the telescopic end of the electric telescopic rod, the blocking polished rod is detachably arranged at the left end of the core rod, the electric telescopic rod is started to push the core rod to move when the cutting is performed, the blocking polished rod is enabled to move below the laser head and perpendicular to the lower end of the cutting machine head, waste residues and light sprayed out by laser are conveniently blocked, pipe penetration is avoided, cleaning is convenient, the condition that people are injured by light is effectively avoided when the laser head is punched at the front and back or the upper part, and the blocking polished rod made of special steel is detachably arranged, and replacement is convenient.

Preferably, the device also comprises a counterweight plate, wherein the counterweight plate is arranged at the lower right end of the connecting frame, and the connecting frame drives the counterweight plate to rotate when rotating, so that eccentric force of the connecting frame is prevented, the stress of the main shaft is uniform, and the cutting precision is ensured.

Compared with the prior art, the laser cutting machine has the beneficial effects that the workpiece is clamped by the custom fixture, the rotating assembly drives the Z-axis module to rotate around the pipe, so that the laser head cuts the pipe, and meanwhile, the shielding assembly stretches into the pipe and is perpendicular to the lower end of the cutting machine head, so that waste residues and light sprayed by laser are conveniently blocked, the pipe is prevented from being penetrated, and the laser cutting machine is convenient to clean and prevent light from hurting people.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic illustration of an axially measured structure of the present utility model;

FIG. 3 is a schematic perspective view of the present utility model;

FIG. 4 is a second perspective view of the present utility model;

FIG. 5 is a schematic view of the structure of the Z-axis module and laser head of the present utility model;

The reference sign is 1, the base; 2, a Z-axis module, 3, a laser head, 4, a main shaft box, 5, a main shaft, 6, a flange, 7, a connecting frame, 8, a synchronous wheel, 9, a speed reducer, 10, a motor, 11, a synchronous belt, 12, an electric telescopic rod, 13, a mounting plate, 14, a core rod, 15, a light blocking rod, 16 and a counterweight plate.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. This utility model may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

As shown in fig. 1 to 5, a laser head 3 is mounted on a Z-axis module 2, a spindle box 4 is fixedly connected to the top of a base 1, a spindle 5 is rotatably mounted in the spindle box 4, the left end of the spindle 5 is connected with a connecting frame 7,Z through a flange 6, the spindle module 2 is mounted at the left end of the connecting frame 7, reinforcing ribs are arranged on the front side and the rear side of the connecting frame 7, a speed reducer 9 is mounted at the rear end of the top of the base 1, the input end of the speed reducer 9 is connected with the output end of a motor 10, a synchronizing wheel 8 is sleeved on the outer side of the right end of the spindle 5, the output end of the speed reducer 9 is simultaneously mounted with the synchronizing wheel 8, two synchronizing wheels 8 are in transmission connection through a synchronizing belt 11, an electric telescopic rod 12 is mounted at the connecting position of the left side wall of the connecting frame 7 and the spindle 5 through a mounting plate 13, the electric telescopic rod 12 is positioned in the spindle 5, a core rod 14 is mounted at the telescopic end of the electric telescopic rod 12, a polished rod 15 is detachably mounted at the left end of the core rod 14, and a counterweight plate 16 is mounted at the lower right end of the connecting frame 7;

The workpiece is clamped by the custom fixture, the synchronous wheel 8 and the synchronous belt 11 are driven to rotate by the starting motor 10 through the speed reducer 9, so that the main shaft 5 is driven to rotate, the torque of the motor 10 is increased through the speed reducer 9, the speed reducer 9 and the main shaft 5 are connected by the synchronous belt 11, the stable power transmission ratio is realized, the main shaft 5 rotates to drive the connecting frame 7 to rotate through the flange 6, the Z-axis module 2 and the laser head 3 are driven to rotate around the center of the main shaft 5 at the same time, cutting is completed, the electric telescopic rod 12 is started to push the core rod 14 to move during cutting, the polish blocking rod 15 is enabled to move to the lower part of the laser head 3, the lower end of the perpendicular to the laser head is convenient to block waste residues and light sprayed out, the pipe is prevented from passing through, the pipe is convenient to clean, the light blocking rod 15 made of special steel which can be detached and arranged is used for front and back or upper part is effectively avoided, the counterweight plate 16 is driven to rotate during rotation of the connecting frame 7, the eccentric force is prevented from occurring on the connecting frame 7, the main shaft 5 is enabled to be stressed evenly, and the cutting precision is ensured.

As shown in fig. 1 to 5, in the workpiece cutting mechanism, during working, a workpiece is clamped by a custom fixture, a starting motor 10 drives a synchronous wheel 8 and a synchronous belt 11 to rotate through a speed reducer 9, so that a main shaft 5 is driven to rotate, the main shaft 5 rotates and drives a connecting frame 7 to rotate through a flange 6, a Z-axis module 2 and a laser head 3 simultaneously rotate around the center of the main shaft 5, cutting is completed, an electric telescopic rod 12 is started to push a core rod 14 to move during cutting, a polished rod 15 is made to move below the laser head 3 and perpendicular to the lower end of a cutting machine head, waste residues and light sprayed by laser are conveniently blocked, pipe penetration is avoided, a counterweight plate 16 is driven to rotate when the connecting frame 7 rotates, eccentric force of the connecting frame 7 is prevented, and the stress of the main shaft 5 is uniform.

The Z-axis module 2, the laser head 3, the speed reducer 9 and the motor 10 of the workpiece cutting mechanism are purchased in the market, and a person skilled in the art only needs to install and operate according to the attached use instruction without creative labor of the person skilled in the art.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.

Claims (4)

1. The workpiece cutting mechanism is characterized by comprising a base (1), a Z-axis module (2), a laser head (3), a rotating assembly and a shielding assembly, wherein the laser head (3) is arranged on the Z-axis module (2), the rotating assembly is arranged at the top end of the base (1), the output end of the rotating assembly is connected with the Z-axis module (2), and the shielding assembly is arranged in the rotating assembly;

the rotating assembly comprises a main shaft box (4), a main shaft (5), a flange (6), a connecting frame (7) and a driving part, wherein the main shaft box (4) is fixedly connected to the top of the base (1), the main shaft (5) is installed in the main shaft box (4) in a rotating mode, the connecting frame (7) is connected to the left end of the main shaft (5) through the flange (6), the Z-axis module (2) is installed at the left end of the connecting frame (7), and reinforcing ribs are arranged on the front side and the rear side of the connecting frame (7).

2. The workpiece cutting mechanism as claimed in claim 1, characterized in that the driving part comprises two synchronizing wheels (8), a speed reducer (9), a motor (10) and a synchronous belt (11), the speed reducer (9) is arranged at the rear end of the top of the base (1), the input end of the speed reducer (9) is connected with the output end of the motor (10), the synchronizing wheels (8) are sleeved outside the right end of the main shaft (5), the synchronizing wheels (8) are arranged at the output end of the speed reducer (9), and the two synchronizing wheels (8) are in transmission connection through the synchronous belt (11).

3. A workpiece cutting mechanism as claimed in claim 1, characterized in that the shielding assembly comprises an electric telescopic rod (12), a mounting plate (13), a core rod (14) and a light blocking rod (15), wherein the main shaft (5) is arranged in a hollow manner, the electric telescopic rod (12) is mounted on the left side wall of the connecting frame (7) at a connection position with the main shaft (5) through the mounting plate (13), the electric telescopic rod (12) is positioned in the main shaft (5), the core rod (14) is mounted at the telescopic end of the electric telescopic rod (12), and the light blocking rod (15) is detachably mounted at the left end of the core rod (14).

4. A workpiece cutting mechanism as claimed in claim 1, characterised in that it further comprises a weight plate (16), the weight plate (16) being mounted at the lower right end of the connecting frame (7).