CN117444414A - Auxiliary blanking mechanism, laser pipe cutting machine and method - Google Patents

Abstract

The invention relates to the technical field of laser pipe cutting machines. It discloses an auxiliary cutting mechanism, a laser pipe cutting machine and a method, which include a mechanical arm with a driving mechanism at one end and a slider at the bottom. The slider is used to connect with the bed. The slide rail cooperates to realize the sliding of the robot arm; the clamp holder is located at one end of the robot arm, and there is a pair of clamp racks matched through gears on the outside. There is a cylinder inside the clamp holder, and the cylinder is connected to one of the clamps. The rack cooperates. There is a jaw on one side of each clamp rack. The cylinder drives the jaw to clamp or loosen through the clamp rack; the mechanical arm cooperates with the slide rail on the bed, and the clamp holder passes through the cylinder and The clamp rack drives the jaws to clamp or loosen the pipe to ensure that the pipe after cutting will not damage the supporting material, thus protecting the supporting material mechanism.

Description

Auxiliary blanking mechanism, laser pipe cutting machine and method

Technical field

The invention relates to the technical field of laser pipe cutting machines, in particular to an auxiliary blanking mechanism, a laser pipe cutting machine and a method.

Background technique

With the development of laser cutting technology, pipe laser cutting machines have emerged. Pipe laser cutting machines break through the limitations of traditional pipe cutting processes and can realize fully automatic processing of pipes. They have high-speed cutting, efficient cutting, and high-precision cutting, achieving The equipment is fully automated and the processing technology is diversified. In common technical practice, the demand for follow-up is increasing, and automation is particularly important in laser pipe cutting machines. In order to ensure the cutting efficiency of the equipment. Most pipe cutting machines on the market are equipped with automatic feeding devices and semi-automatic feeding devices. In order to consider the purchase cost, most customers will choose semi-automatic feeding devices.

The inventor found that semi-automatic loading and unloading meets the versatility to a certain extent, but there are also some problems, namely: in automatic unloading, there is a gap of about 1cm between the chuck clamping the pipe and the follower support. After the cutting is completed, the chuck The claws automatically release, and the pipe falls directly on the follower support, which will cause impact to the follower support. The follower support will be easily damaged if it continues to run, especially the servo motor.

Contents of the invention

In view of the shortcomings of the existing technology, the purpose of the present invention is to provide an auxiliary blanking mechanism, a laser pipe cutting machine and a method. The mechanical arm cooperates with the slide rail on the bed, and the clamp fixed seat passes through the cylinder and the clamp rack. Drive the jaws to clamp or loosen the pipe to ensure that the pipe after cutting will not damage the follower support, thereby protecting the follower support mechanism.

In order to achieve the above objects, the present invention is achieved through the following technical solutions:

The first aspect is an auxiliary blanking mechanism, including:

The robotic arm has a driving mechanism at one end and a slider at the bottom. The slider is used to cooperate with the slide rails on the bed to realize the sliding of the robotic arm;

The clamp holder is located at the other end of the robot arm, and has a pair of clamp racks matched through gears on the outside. There is a cylinder inside the clamp holder, and the cylinder cooperates with one of the clamp racks. Each clamp tooth There is a jaw on one side of the bar, and the cylinder drives the jaw to clamp or loosen through the clamp rack.

As a further implementation, one end of the robotic arm is connected to the driving mechanism through a connecting rod, and the connecting rods are provided on both sides of the robotic arm.

As a further implementation, a guide rail is provided on the side of the clamp holder away from the robot arm, and the clamp rack cooperates with the guide rail.

As a further implementation, the gear is provided on the clamp fixed seat and meshed between two clamp racks.

As a further implementation method, the gear is matched with the clamp holder through a deep groove ball bearing, and a hole circlip is provided inside the gear.

As a further implementation, a clamp hard limiter is provided on both sides of the clamp holder, and the clamp hard limiter protrudes from the clamp rack.

As a further implementation, the clamp rack is connected to the jaws through a clamp transmission plate.

As a further implementation method, the jaws are arranged in an arc shape, and a nylon pad is provided on the inner side of the jaws.

In the second aspect, a laser pipe cutting machine includes a bed, a middle chuck assembly is provided near the end of the bed, a number of follower supports are provided on one side of the bed, and a number of slide rails are provided on the bed. The rail is perpendicular to the length direction of the bed, and the slide rail is slidingly connected to the auxiliary unloading mechanism as described above. The follow-up material support and the auxiliary unloading mechanism are dislocated.

In a third aspect, a working method of a laser pipe cutting machine adopts the laser pipe cutting machine as mentioned above and includes the following steps:

After the cutting of the laser pipe cutting machine is completed, the auxiliary cutting mechanism extends from the bed through the slider along the slide rail. The cylinder drives the jaws to clamp the pipe through the clamp rack. The chuck claws are released and the follower supports the material. After the motor rises and receives the pipe, the auxiliary unloading mechanism returns, and the follow-up support drives the pipe unloading.

The above-mentioned beneficial effects of the present invention are as follows:

1. The mechanical arm of the present invention cooperates with the slide rail on the bed. The clamp holder drives the jaws to clamp or loosen the pipe through the cylinder and the clamp rack, ensuring that the pipe after cutting is not damaged. Hold the material to protect the follow-up material holding mechanism.

2. The hard limit of the clamp of the present invention protrudes from the clamp rack to ensure that when the jaws are clamping the pipe, the pipe will not come into contact with the clamp rack, thereby ensuring that the clamp rack can operate normally and will not Be damaged.

3. The jaws of the present invention are arranged in an arc shape to better adapt to the shape of the pipe and facilitate clamping. There is a nylon pad on the inner side of the jaws, and a concave groove is designed on the inner side of the nylon pad to increase the roughness. , to prevent the pipe from slipping.

4. The auxiliary unloading mechanism of the present invention and the accompanying material support are arranged in a staggered manner, with a reasonable layout, stable and reliable, and stable support for the pipe.

Description of the drawings

The description and drawings that constitute a part of the present invention are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention.

Figure 1 is a schematic diagram of the overall structure of the auxiliary unloading mechanism in the embodiment of the present invention;

Figure 2 is a front view of the auxiliary unloading mechanism in the embodiment of the present invention;

Figure 3 is a cross-sectional view along line A-A of Figure 2;

Figure 4 is a schematic structural diagram of the laser pipe cutting machine in the embodiment of the present invention.

In the figure: The spacing or size between each part is exaggerated to show the position of each part, and the schematic diagram is for illustration only.

Among them: 1-Middle chuck assembly; 2-Lathe bed; 3-Pipe material; 4-Follower support; 5-Semi-automatic assembly; 6-Clamp; 7-Clamp transmission plate; 8- -Deep groove ball bearing; 9--hard limit of clamp; 10--cylinder; 11--hole circlip; 12--gear; 13--nylon backing plate; 14--clamp rack; 15- -Guide rail; 16--clamp holder; 17--robot arm; 18--sliding block; 19--sliding rail.

Detailed ways

It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the present invention. Unless otherwise specified, all technical and scientific terms used herein have the same meanings commonly understood by one of ordinary skill in the art to which this invention belongs.

Embodiment 1

In a typical implementation of the present invention, as shown in FIGS. 1-3 , an auxiliary blanking mechanism includes a robotic arm 17 and a jaw provided on the robotic arm 17 . The robotic arm 17 is used for cutting with a laser. The bed 2 of the pipe machine is slidably fitted, and the jaws 6 are used to clamp the pipe 3 .

As shown in FIG. 1 , a slider 18 is provided at the bottom of the robot arm 17 . The slider 18 cooperates with the slide rail 19 on the bed 2 so that the robot arm 17 slides along the slide rail 19 through the slider 18 .

One end of the robotic arm 17 is connected to the driving mechanism through a connecting rod. One end of the connecting rod is connected to both sides of the robotic arm 17, and the other end is connected to the driving mechanism. The driving mechanism is preferably a cylinder. The output end of the cylinder is fixedly connected to the connecting rod. The cylinder is installed on the machine bed 2. Used to push the mechanical arm 17 to slide.

The other end of the robot arm 17 is provided with a clamp holder 16. The outside of the clamp holder 16 is provided with a pair of clamp racks 14 matched by gears 12. The clamp holder 16 is provided with two guide rails 15 and two clamps. The rack 14 is stuck on the guide rail and can slide along the guide rail. The gear 12 is rotatably disposed on the clamp holder 16 and meshes between the two clamp racks. By rotating the gear 12, the two clamp racks 14 can be moved closer or farther apart.

There is a cylinder 10 inside the clamp holder 16. The cylinder cooperates with one of the clamp racks 14. The cylinder 10 pushes one of the clamp racks 14 to slide along the guide rail 15, thereby driving the gear 12 to rotate, and the gear 12 drives the other clamp. The jaw rack 14 slides along the guide rail 15 .

The side of each clamp rack 14 away from the robot arm 17 is connected to a jaw 6 through a clamp transmission plate 7, and the jaw 6 is used to clamp the pipe 3. The cylinder 10 drives the jaws 6 to clamp or loosen the pipe 3 through the clamp rack 14, thereby clamping or loosening the pipe 3.

As shown in Figures 1 and 2, the gear 12 cooperates with the clamp holder 16 through the deep groove ball bearing 8, and a hole circlip 11 is provided inside the gear to prevent the deep groove ball bearing 8 from falling off.

There are clamp hard limits 9 on both sides of the clamp holder 16. The clamp hard limits 9 are of a limit plate structure, in which the clamp hard limits 9 protrude from the clamp rack, that is, the clamp hard limits 9 are The end face is located on the side of the clamp rack 14 away from the robot arm 17 and is used to prevent the pipe 3 from contacting the clamp rack 14, thereby protecting the clamp rack.

In order to ensure the stability of clamping the pipe 3, the jaws 6 of this embodiment are arranged in an arc shape. A nylon pad 13 is provided on the inner side of the jaw 6 to prevent the pipe from slipping. A concave groove is designed on the inner side of the nylon pad 13. , increasing roughness.

The mechanical arm 17 slides to extend the jaws, and the cylinder drives the clamp rack to slide along the guide rail to clamp the pipe. At this time, after the chuck claws on the middle chuck assembly 1 are loosened, the pipe 3 It will not cause collision with the following material. After the follower support 4 is raised, the pipe 3 can be supported stably, thereby protecting the servo motor of the follower support 4.

Embodiment 2

In a typical implementation of the present invention, as shown in Figures 1-4, a laser pipe cutting machine includes a bed 2, and a middle chuck assembly 1 is provided near the end of the bed 2. There are a number of follower supports 4 on the side, and there are several slide rails 19 on the bed 2. The slide rails 19 are perpendicular to the length direction of the bed 2. Each slide rail 19 is slidingly connected to the auxiliary unloading mechanism, in which the follower supports The material 4 and the auxiliary unloading mechanism are dislocated to ensure that there is no interference in the operation of the following material 4 and the auxiliary unloading mechanism. A semi-automatic assembly 5 is provided on the side of the follower support 4 away from the bed 2, which is an existing technology.

It can be understood that the auxiliary unloading mechanism is set corresponding to the height of the middle chuck assembly 1 to facilitate clamping of the pipe 3 .

The mechanical arm 17 slides, causing the jaws 6 to extend, and the cylinder drives the clamp rack 14 to slide along the guide rail 15 to clamp the pipe with the jaws 6. At this time, the chuck claws on the middle chuck assembly 1 are loosened. Finally, the pipe 3 will not cause collision with the following supporting material 4. After the follower support 4 is raised, the pipe 3 can be supported stably, thereby protecting the servo motor of the follower support 4.

Embodiment 3

In a typical implementation of the present invention, a working method of a laser pipe cutting machine, as shown with reference to Figures 1-4, uses the laser pipe cutting machine in Embodiment 2 and includes the following steps:

After the cutting of the laser pipe cutting machine is completed, the auxiliary cutting mechanism extends from the bed 2 along the slide rail 19 through the slider 18. The cylinder 10 drives the jaws 6 to clamp the pipe 3 through the clamp rack 14, and the chuck clamps the pipe 3. The claw is released, and the follower support 4 rises through the motor. After receiving the pipe 3, the auxiliary unloading mechanism returns. The follower support 4 drives the pipe unloading, and transports the pipe 3 to the semi-automatic assembly 5. The auxiliary unloading mechanism can Achieve stable support for pipes and protect the servo motor that follows the support.

The above descriptions are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims (10)

1. An auxiliary unloading mechanism, characterized in that it includes: The robotic arm has a driving mechanism at one end and a slider at the bottom. The slider is used to cooperate with the slide rails on the bed to realize the sliding of the robotic arm; The clamp holder is located at the other end of the robot arm, and has a pair of clamp racks matched through gears on the outside. There is a cylinder inside the clamp holder, and the cylinder cooperates with one of the clamp racks. Each clamp tooth There is a jaw on one side of the bar, and the cylinder drives the jaw to clamp or loosen through the clamp rack. 2. An auxiliary unloading mechanism according to claim 1, characterized in that one end of the robotic arm is connected to the driving mechanism through a connecting rod, and the connecting rods are provided on both sides of the robotic arm. 3. An auxiliary unloading mechanism according to claim 1, characterized in that a guide rail is provided on the side of the clamp holder away from the robot arm, and the clamp rack cooperates with the guide rail. 4. An auxiliary unloading mechanism according to claim 3, characterized in that the gear is provided on the clamp fixed base and meshed between two clamp racks. 5. An auxiliary unloading mechanism according to claim 4, characterized in that the gear cooperates with the clamp fixed seat through a deep groove ball bearing, and a hole circlip is provided inside the gear. 6. An auxiliary unloading mechanism according to claim 1, characterized in that clamp hard limits are provided on both sides of the clamp fixed base, and the clamp hard limits protrude from the clamp rack. 7. An auxiliary unloading mechanism according to claim 1, characterized in that the clamp rack is connected to the jaws through a clamp transmission plate. 8. An auxiliary unloading mechanism according to claim 7, characterized in that the jaws are arranged in an arc shape, and a nylon pad is provided on the inner side of the jaws. 9. A laser pipe cutting machine, which is characterized in that it includes a bed, a middle chuck assembly is provided near the end of the bed, a number of follower supports are provided on one side of the bed, and a number of slide rails are provided on the bed , the slide rail is perpendicular to the length direction of the bed, and the slide rail is slidingly connected to the auxiliary unloading mechanism as described in any one of claims 1 to 8, and the following material support and the auxiliary unloading mechanism are disposed in a misaligned position. 10. A working method of a laser pipe cutting machine, characterized in that, using the laser pipe cutting machine as claimed in claim 9, the method includes the following steps: After the laser pipe cutting machine completes cutting, the auxiliary unloading mechanism extends from the bed through the slider along the slide rail. The cylinder drives the jaws to clamp the pipe through the clamp rack. The chuck claws are released and the follower supports the material. After the motor rises and receives the pipe, the auxiliary unloading mechanism returns, and the follow-up support drives the pipe unloading.