A tube clamping mechanism for a chuck-type laser tube cutting machine

Abstract

The utility model discloses a tube clamping mechanism of a chuck-type laser tube cutting machine, wherein the clamping mechanism is arranged on both sides of the machine platform of the tube cutting machine, and the clamping mechanism includes an upper cover plate, a rotating disk, a main cylinder, a chuck claw assembly and an end fixing assembly, wherein the upper cover plate can be connected to the machine platform of the tube cutting machine, the main cylinder is installed on the upper cover plate through an angle iron, a rotatable rotating disk is provided on the lower side of the upper cover plate, the shaft end of the main cylinder is connected to the end face of the rotating disk, and the main cylinder can drive the rotating disk to rotate; the rotating disk is provided with at least three arc-shaped slide grooves along its end face, and a through hole is provided in the middle of the rotating disk; the end fixing assembly is provided on the front side of the rotating disk, and the end fixing assembly includes a mounting column, a Y-shaped bracket, a sub-cylinder and a magnetic suction cup, wherein the mounting column is fixedly connected in the middle of the Y-shaped bracket. The clamping process of the chuck claw assembly of the utility model is stable and the response is fast, and the end of the steel pipe / iron pipe can be magnetically fixed by the provided magnetic suction cup to prevent the chuck claw from slipping.

Description

Technical Field

[0001] The utility model relates to the field of laser tube cutting machines, in particular to a tube material clamping mechanism of a chuck type laser tube cutting machine. Background Art

[0002] Laser tube cutting machines are used to cut or engrave round tubes, square tubes and special-shaped tubes. They have the advantages of high precision, high speed, small heat-affected zone, and tubes that are not easily deformed. The chuck mechanism for the laser tube cutting machine includes a front chuck and a rear chuck. The laser cutting head, the front chuck and the rear chuck are sequentially arranged on the frame of the laser tube cutting machine. The positioning and driving of the tube are achieved through the front chuck and the rear chuck. The chuck can be opened and clamped automatically. At present, pneumatic chucks generally include a chuck body, a clamping claw, a cylinder, etc. The clamping claw moves under the drive of the cylinder. Each cylinder corresponds to an air inlet that provides clamping force for the clamping claw. This type of chuck needs to be equipped with a large number of clamping claw cylinders. At the same time, a single clamping claw structure cannot achieve a stable clamping of the pipeline. Utility Model Content

[0003] The purpose of the utility model is to provide a tube clamping mechanism for a chuck-type laser tube cutting machine to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a tube clamping mechanism of a chuck-type laser tube cutting machine, wherein the clamping mechanism is arranged on both sides of the machine platform of the tube cutting machine, the clamping mechanism comprises an upper cover plate, a turntable, a main cylinder, a chuck claw assembly and an end fixing assembly, wherein the upper cover plate can be connected to the machine platform of the tube cutting machine, the main cylinder is installed on the upper cover plate through an angle iron, a rotatable turntable is provided on the lower side of the upper cover plate, the shaft end of the main cylinder is connected to the end face of the turntable, and the main cylinder can drive the turntable to rotate; the turntable is provided with at least three arc-shaped slide grooves along its end face, and a through hole is provided in the middle of the turntable; the end fixing assembly is arranged on the front side of the turntable, the end fixing assembly comprises a mounting column, a Y-shaped bracket, a sub-cylinder and a magnetic suction cup, wherein the mounting column is fixedly connected in the middle of the Y-shaped bracket, and the mounting column passes through the through hole in the middle of the turntable and is connected to the upper cover plate.

[0005] Preferably, the three side ends of the Y-shaped bracket are equipped with tracks, the auxiliary cylinder can be installed in the middle of the Y-shaped bracket through a Z-shaped support, the shaft end of the auxiliary cylinder is connected to the magnetic suction cup, and the magnetic suction cup is an electromagnetic suction cup.

[0006] Preferably, the chuck claw assembly is installed on the outside of the magnetic suction cup and its number is consistent with the number of slide grooves and tracks. The chuck claw assembly includes a roller, a mounting frame, a slide seat and a chuck claw, wherein the roller is fixed at the upper end of the mounting frame, and the roller can extend into the slide groove on the turntable and roll along the slide groove.

[0007] Preferably, an opening is provided in the middle of the installation frame, and the opening allows the track on the Y-shaped bracket to pass through. A sliding seat is provided in the middle of the bottom of the installation frame, and the sliding seat can be slidably connected with the track.

[0008] Preferably, the chuck claw is installed at the lower end of the mounting frame by screws, and anti-dropping teeth are provided on the inner side of the chuck claw facing the magnetic suction cup. When started, the main cylinder can push the turntable to rotate so that the roller moves along the slide groove, and the slide seat and the chuck claw move along the track to perform a clamping action.

[0009] Compared with the prior art, the beneficial effects of the utility model are:

[0010] The chuck claw assembly of the utility model is driven by a main cylinder, and there is no need to configure multiple cylinders additionally. The chuck claw assembly is driven by the main cylinder to rotate the turntable to move the roller along the slide groove, and the slide seat and the chuck claw are moved along the track to perform a clamping action. The clamping process is stable and the response is fast. In order to further improve the clamping stability, the magnetic suction cup can be used to magnetically fix the end of the steel pipe / iron pipe to prevent the chuck claw from slipping. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0012] Figure 2 It is an enlarged schematic diagram of the local structure of the utility model.

[0013] In the figure: 1. turntable; 2. main cylinder; 3. slide; 4. Y-shaped bracket; 5. auxiliary cylinder; 6. magnetic suction cup; 7. track; 8. roller; 9. mounting frame; 10. slide seat; 11. chuck claw. DETAILED DESCRIPTION

[0014] 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.

[0015] In the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0016] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0017] See also Figure 1-2 The utility model provides a technical solution: a tube clamping mechanism of a chuck-type laser tube cutting machine, the clamping mechanism is arranged on both sides of the machine platform of the tube cutting machine, the clamping mechanism comprises an upper cover plate, a rotary disk 1, a main cylinder 2, a chuck claw 11 assembly and an end fixing assembly, wherein the upper cover plate can be connected to the machine platform of the tube cutting machine, the main cylinder 2 is installed on the upper cover plate through an angle iron, a rotatable rotary disk 1 is arranged on the lower side of the upper cover plate, the shaft end of the main cylinder 2 is connected to the end face of the rotary disk 1, and the main cylinder 2 can push the rotary disk 1 to rotate; the rotary disk 1 is provided with at least three arc-shaped slide grooves 3 along its end face, and a through hole is provided in the middle of the rotary disk 1; the end fixing assembly is arranged on the front side of the rotary disk 1, and the end fixing assembly comprises a mounting column, a Y-shaped bracket 4, a sub-cylinder 5 and a magnetic suction cup 6, wherein the Y-shaped bracket 4 is fixedly connected with a mounting column in the middle, and the mounting column passes through the through hole in the middle of the rotary disk 1 and is connected to the upper cover plate.

[0018] In this embodiment, rails 7 are installed on the three side ends of the Y-shaped bracket 4, and the auxiliary cylinder 5 can be installed in the middle of the Y-shaped bracket 4 through a Z-shaped support. The axial end of the auxiliary cylinder 5 is connected to the magnetic suction cup 6, and the magnetic suction cup 6 is an electromagnetic suction cup.

[0019] In this embodiment, the chuck claw 11 assembly is installed on the outside of the magnetic suction cup 6 and its number is consistent with the number of the slide groove 3 and the track 7. The chuck claw 11 assembly includes a roller 8, a mounting frame 9, a slide seat 10 and a chuck claw 11, wherein the roller 8 is fixed at the upper end of the mounting frame 9, and the roller 8 can extend into the slide groove 3 on the turntable 1 and roll along the slide groove 3.

[0020] In this embodiment, an opening is provided in the middle of the installation frame 9 , through which the track 7 on the Y-shaped bracket 4 can pass. A slide seat 10 is provided in the middle of the bottom of the installation frame 9 , and the slide seat 10 can be slidably connected with the track 7 .

[0021] In this embodiment, the chuck claw 11 is installed at the lower end of the mounting frame 9 by screws, and the chuck claw 11 is provided with anti-dropping teeth on the inner side facing the magnetic suction cup 6. When the main cylinder 2 is started, it can push the turntable 1 to rotate so that the roller 8 moves along the slide groove 3, and the slide seat 10 and the chuck claw 11 move along the track 7 to perform a clamping action.

[0022] In this embodiment, the above-mentioned chuck jaw assembly is driven by a main cylinder 2, and there is no need to additionally configure multiple cylinders. The chuck jaw assembly is driven by the main cylinder 2 to rotate the turntable 1 so that the roller 8 moves along the slide groove 3, and the slide seat 10 and the chuck jaw 11 move along the track 7 to perform an internal clamping action. The clamping process is stable and the response is fast. In order to further improve the clamping stability, the magnetic suction cup 6 can be used to magnetically fix the end of the steel pipe / iron pipe to prevent the chuck jaw from slipping.

[0023] It is worth noting that the entire device is controlled by a main control button. Since the device matched with the control button is a common device and belongs to the existing mature technology, its electrical connection relationship and specific circuit structure will not be described in detail here.

[0024] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A tube clamping mechanism for a chuck-type laser tube cutting machine, characterized in that: The clamping mechanism is arranged on both sides of the machine platform of the pipe cutting machine, and the clamping mechanism comprises an upper cover plate, a rotating disk (1), a main cylinder (2), a chuck claw (11) assembly and an end fixing assembly, wherein the upper cover plate can be connected to the machine platform of the pipe cutting machine, the main cylinder (2) is installed on the upper cover plate through an angle iron, a rotatable rotating disk (1) is arranged on the lower side of the upper cover plate, the shaft end of the main cylinder (2) is connected to the end surface of the rotating disk (1), and the main cylinder (2) can drive the rotating disk (1) to rotate; the rotating disk (1) is provided with at least three arc-shaped slide grooves (3) along its end surface, and a through hole is provided in the middle of the rotating disk (1); the end fixing assembly is arranged on the front side of the rotating disk (1), and the end fixing assembly comprises a mounting column, a Y-shaped bracket (4), a sub-cylinder (5) and a magnetic suction cup (6), wherein the middle of the Y-shaped bracket (4) is fixedly connected to the mounting column, and the mounting column passes through the through hole in the middle of the rotating disk (1) and is connected to the upper cover plate.

2. The tube clamping mechanism of the chuck type laser tube cutting machine according to claim 1 is characterized in that: The three side ends of the Y-shaped bracket (4) are all equipped with rails (7), the auxiliary cylinder (5) can be installed in the middle of the Y-shaped bracket (4) through a Z-shaped support, and the shaft end of the auxiliary cylinder (5) is connected to a magnetic suction cup (6), and the magnetic suction cup (6) is an electromagnetic suction cup.

3. The tube clamping mechanism of the chuck type laser tube cutting machine according to claim 1 is characterized in that: The chuck claw (11) assembly is mounted on the outside of the magnetic suction cup (6) and its number is consistent with the number of the slide groove (3) and the track (7). The chuck claw (11) assembly comprises a roller (8), a mounting frame (9), a slide seat (10) and a chuck claw (11), wherein the roller (8) is fixed on the upper end of the mounting frame (9), and the roller (8) can extend into the slide groove (3) on the rotary disk (1) and roll along the slide groove (3).

4. The tube clamping mechanism of the chuck type laser tube cutting machine according to claim 3 is characterized in that: An opening is provided in the middle of the installation frame (9), through which the track (7) on the Y-shaped bracket (4) can pass. A sliding seat (10) is provided in the middle of the bottom of the installation frame (9), and the sliding seat (10) can be slidably connected with the track (7).

5. The tube clamping mechanism of the chuck type laser tube cutting machine according to claim 3 is characterized in that: The lower end of the mounting frame (9) is mounted with a chuck claw (11) by means of screws. The chuck claw (11) is provided with an anti-dropping tooth on the inner side facing the magnetic suction cup (6). When the main cylinder (2) is started, it can push the rotary plate (1) to rotate so that the roller (8) moves along the slide groove (3), and the slide seat (10) and the chuck claw (11) move along the track (7) to perform a clamping action.

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