Scissor-fork type servo supporting device for laser pipe cutting machine

Abstract

The utility model discloses a shear fork type servo supporting device for a laser pipe cutting machine, which comprises a shear fork type lifting mechanism and a pipe centering clamping jaw device, and the pipe centering clamping jaw device is arranged on the shear fork type lifting mechanism through a supporting plate. The pipe centering clamping jaw device comprises a driving air cylinder fixedly arranged on the supporting plate, and the telescopic end of the driving air cylinder is connected with the first rack so that the first rack can be driven to move through movement of the driving air cylinder. The first rack is connected with a second rack through a gear, the first rack is connected with a first clamping jaw, the second rack is connected with a second clamping jaw, and the first clamping jaw and the second clamping jaw are connected through a connecting shaft, so that the first rack moves to drive the second rack to move reversely at the same speed. And then the first clamping jaw and the second clamping jaw are driven to move oppositely to achieve centering. The scissor-fork type servo supporting device can simultaneously realize a large working stroke and a low height after falling, so that the actions required by servo supporting and chuck avoiding are realized on one set of mechanism.

Description

TECHNICAL FIELD

[0001] The utility model belongs to laser pipe cutting machine technical field especially relates to a scissor type servo support device for laser pipe cutting machine. BACKGROUND

[0002] Laser pipe cutting machine is widely used in industrial production. When processing long pipe material, auxiliary support needs to be increased to prevent pipe deformation from affecting processing quality. For non-circular cross-section pipe material, servo follow-up support device is generally needed. During the processing, as the processed pipe material shortens, the chuck clamping the pipe material will continuously approach the laser cutting head. When passing through the follow-up support device in this process, the support device needs to be lowered to a low enough position to avoid the chuck. In addition, the servo support device also needs to integrate a pipe centering clamp for centering operation of the pipe and the chuck.

[0003] In the application process of the prior art, a servo motor is generally used to drive a linear guide device to realize servo support. A cylinder is also generally used to drive a linear guide device to realize chuck avoidance. In order to realize both support and avoidance, the servo support device needs to be stacked on the cylinder-driven chuck avoidance device. Moreover, the avoidance and servo support are driven by a cylinder and a motor respectively, which makes the system complex, high in cost, poor in reliability, and large in size.

[0004] Therefore, the present application provides a scissor type servo support device for laser pipe cutting machine, which realizes servo support and chuck avoidance by using a set of mechanism, simplifies the system, and reduces the cost. SUMMARY

[0005] The utility model provides a scissor type servo support device for laser pipe cutting machine, which realizes servo support and chuck avoidance by using a set of mechanism.

[0006] Technical scheme: The scissor type servo support device for laser pipe cutting machine comprises a scissor type lifting mechanism and a pipe centering clamp device located at the upper end of the scissor type lifting mechanism and used for centering the pipe and the chuck. The pipe centering clamp device is arranged on the scissor type lifting mechanism through a support plate.

[0007] The pipe centering clamp device comprises a driving cylinder fixedly arranged on the support plate. The extension end of the driving cylinder is connected with a first rack, so that the first rack is driven to move by the movement of the driving cylinder. The first rack is connected with a second rack through a gear. A first clamp is connected on the first rack, and a second clamp is connected on the second rack. The first clamp and the second clamp are connected through a connecting shaft, so that the movement of the first rack drives the second rack to move at the same speed in the opposite direction, and then drives the first clamp and the second clamp to move towards each other to realize centering.

[0008] Further, the first clamping jaw and the second clamping jaw of the device are connected through a spline shaft, and the first rack and the second rack are respectively connected with the first clamping jaw and the second clamping jaw through a push rod.

[0009] Further, the device further comprises a rotating cylinder for driving the spline shaft to rotate, so as to drive the first clamping jaw and the second clamping jaw to swing at an angle and realize avoidance.

[0010] Further, a groove is formed in the support plate, and the pipe centering clamping jaw device is located in the groove, and a slide rail corresponding to the movement of the first rack and the second rack is arranged on the side wall of the groove, and a sliding block matched with the slide rail is arranged on the first rack and the second rack.

[0011] Further, the device further comprises a material supporting roller arranged on the support plate and located on both sides of the pipe centering clamping jaw device.

[0012] Further, the scissors type lifting mechanism comprises a base, scissors arms arranged on the base, and a driving cylinder for driving the scissors arms to move left and right to realize lifting.

[0013] Further, the scissors type lifting mechanism and the base are connected through the sliding block and the slide rail.

[0014] Advantages: compared with the prior art, the scissors type servo supporting device for the laser pipe cutting machine simultaneously realizes large working stroke and low landing height, so that the actions required for servo supporting and chuck avoidance are realized on a set of mechanism, the system is simplified, and the cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 FIG. 1 is a structural schematic view of the scissors type servo supporting device for the laser pipe cutting machine of the utility model;

[0016] Figure 2 FIG. 2 is a perspective view of the scissors type servo supporting device of the utility model; Figure 1 ;

[0017] Figure 3 FIG. 3 is a perspective view of the scissors type servo supporting device of the utility model (not including the support plate); Figure 2

[0018] Figure 4 FIG. 4 is a structural schematic view of the pipe centering clamping jaw device of the utility model.

[0019] In the drawings, A is a typical laser pipe cutting machine; and B is the scissors type servo supporting device. DETAILED DESCRIPTION ​

[0020] The technical solution of this utility model will be further described in detail below with reference to the accompanying drawings.

[0021] The scissor-type servo support device of this utility model is assembled into a laser tube cutting machine, such as... Figure 1 As shown, it is used to assist in supporting long pipes, preventing pipe deformation, and for centering the pipe and chuck. Specifically, as... Figure 2 As shown, the scissor-type servo support device includes a scissor-type lifting mechanism, a pipe centering gripper device mounted on the scissor-type lifting mechanism via a support plate 1, and material support rollers 10 connected to the support plate 1 and located on the left and right sides of the pipe centering gripper device.

[0022] like Figure 2 and Figure 3 As shown, the scissor lift mechanism includes a base 11, a scissor arm 12 located on the base 11 with one end slidably connected to it, and another end of the scissor arm 12 also slidably connected to the bottom surface of the support plate 1. The slidable connections with both the base 11 and the support plate 1 are located on the same side. A sliding connection is formed by a slide rail 15 and a slider 14; that is, the base 11 and the support plate 1 are provided with slide rails 15, and the scissor arm 12 is provided with a slider 14. The scissor arm 12 slides left and right to achieve the raising and lowering of the scissor lift mechanism. The left and right sliding movement is achieved by a drive cylinder 13 connected to the sliding end of the scissor arm 12.

[0023] The pipe alignment gripper device is mounted on the support plate 1, specifically, a groove is provided on the support plate 1 corresponding to the position of the pipe alignment gripper device, and the pipe alignment gripper device can be housed within this groove. Specifically, as shown... Figure 3 and Figure 4 As shown, the pipe alignment gripper device includes a drive cylinder 2 spanning a support plate 1. The telescopic end of the drive cylinder 2 is connected to a first rack 3 via a connecting plate 16. The first rack 3 meshes with a second rack 5 via a gear 4, and the gear 4 is rotatably mounted on the support plate 1 via a rotating shaft. Thus, when the drive cylinder 2 moves the first rack 3, the second rack 5 moves in the opposite direction at the same speed due to the drive of the first rack 3. A first gripper 6 is connected to the first rack 3, and a second gripper 7 is connected to the second rack 5. Both the first rack 3 and the second rack 5 are connected to the support plate 1 using a slider 14 and a slide rail 15 connection method. That is, the support plate 1 has slide rails 15 corresponding to both the first rack 3 and the second rack 5, and each of the first rack 3 and the second rack 5 has a slider 14 that cooperates with the slide rail 15.

[0024] The first rack 3 and the second rack 5 are connected by a connecting shaft, preferably a spline shaft 8, and the first rack 3 and the first jaw 6 are connected by a lever 9, and the second rack 5 and the second jaw 7 are connected by a lever 9, and then based on the structure of the first jaw 6 and the second jaw 7, the spline shaft 8 is driven to rotate by the rotary cylinder 17, which can drive the first jaw 6 and the second jaw 7 to swing at an angle to realize avoidance, and can be stored in the groove provided on the support plate 1.

Claims

1. A scissor servo support device for a laser pipe cutting machine, characterized by, The device comprises a scissor lifting mechanism and a pipe centering clamp device on the upper end of the scissor lifting mechanism for centering the pipe and chuck, which is arranged on the scissor lifting mechanism through a support plate (1); The pipe centering clamp device comprises a driving cylinder (2) fixedly arranged on the support plate (1), the telescopic end of the driving cylinder (2) is connected with a first rack (3) to drive the first rack (3) to move through the movement of the driving cylinder (2); the first rack (3) is connected with a second rack (5) through a gear (4), a first clamp (6) is arranged on the first rack (3), a second clamp (7) is arranged on the second rack (5), and the first clamp (6) and the second clamp (7) are connected through a connecting shaft to realize the movement of the first rack (3) driving the second rack (5) to move at the same speed in the opposite direction, and then driving the first clamp (6) and the second clamp (7) to move towards each other to realize centering.

2. The scissor servo support device for a laser pipe cutting machine according to claim 1, characterized by, The first clamp (6) and the second clamp (7) are connected through a spline shaft (8), and the first rack (3) and the second rack (5) are respectively connected with the first clamp (6) and the second clamp (7) through a lever (9).

3. The scissor servo support device for a laser pipe cutting machine according to claim 2, characterized by, The device further comprises a rotating cylinder (17) for driving the spline shaft (8) to rotate to drive the first clamp (6) and the second clamp (7) to swing at an angle to realize avoidance.

4. The scissor servo support device for a laser pipe cutting machine according to claim 1, characterized by, The support plate (1) is provided with a groove, the pipe centering clamp device is arranged in the groove, and the side wall of the groove is provided with a sliding rail corresponding to the movement of the first rack (3) and the second rack (5), respectively, and the first rack (3) and the second rack (5) are respectively provided with a sliding block matched with the sliding rail.

5. The scissor servo support device for a laser pipe cutting machine according to claim 1, characterized by, The device further comprises a material supporting roller (10) connected to the support plate (1) and arranged on both sides of the pipe centering clamp device.

6. The scissor servo support device for a laser pipe cutting machine according to claim 1, characterized by, The scissor lifting mechanism comprises a base (11), a scissor arm (12) arranged on the base (11), and a driving cylinder (13) for driving the scissor arm (12) to move left and right to realize lifting.

7. The scissor servo support device for a laser pipe cutting machine according to claim 6, characterized by, The scissor lifting mechanism and the base (11) form a movable scissor arm (12) and the base (11) are connected through a sliding block (14) and a sliding rail (15).

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