Heavy servo supporting device for laser pipe cutting machine

Abstract

The utility model discloses a heavy servo supporting device for a laser pipe cutting machine. The heavy servo supporting device comprises an electric cylinder base, a roll shaft base arranged on the electric cylinder base in an up-down sliding mode and a servo electric cylinder arranged on the electric cylinder base and connected with the roll shaft base so as to drive the roll shaft base to slide up and down. The roller shaft base is connected with a clamping jaw assembly, the clamping jaw assembly comprises a driving air cylinder connected to the roller shaft base, the telescopic end of the driving air cylinder is connected with a first rack, and the first rack is 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, and the second rack is connected with a second clamping jaw. The supporting device is of a double-layer lifting cage-shaped structure, the overall bearing capacity is improved, and the service life is prolonged; and one module is adopted for achieving servo supporting and chuck avoiding, meanwhile, the large working stroke and the low after-landing height are achieved, the system is simplified, and the cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to laser pipe cutting machine technical field especially relates to a heavy 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 processing, as the processed pipe material shortens, the chuck clamping the pipe material will continuously approach the laser cutting head. During this process, the follow-up support device needs to be lowered to a low enough position to avoid the chuck.

[0003] In the prior art, servo motor is generally used to drive the linear guide device to realize servo support. The chuck is generally avoided by using a cylinder to drive the linear guide device. In order to realize both support and avoidance, the servo support device needs to be stacked on the cylinder-driven chuck avoidance device. The servo support and avoidance movement generally use two linear guide block guiding and bearing schemes, which have large bending moment and lead to fast wear and limited service life in heavy processing applications.

[0004] Therefore, the present application provides a heavy servo support device for laser pipe cutting machine to improve the service life of the servo support system in heavy pipe material mass processing. UTILITY MODEL CONTENTS

[0005] The utility model provides a heavy servo support device for laser pipe cutting machine, which has an innovative cage structure to evenly distribute the load on the guide assembly and improve the service life of the servo support system in heavy pipe material mass processing.

[0006] Technical scheme: The heavy servo support device for laser pipe cutting machine comprises an electric cylinder base mounted on a laser pipe cutting machine tool, a roller shaft base sliding up and down on the electric cylinder base, and a servo cylinder connected to the roller shaft base on the electric cylinder base to drive the roller shaft base to slide up and down. A clamping jaw assembly is connected to the roller shaft base. The clamping jaw assembly comprises a drive cylinder connected to the roller shaft base, a first rack connected to the extension end of the drive cylinder to move the first rack by the movement of the drive cylinder. A second rack is connected to the first rack through a gear. A first clamping jaw is connected to the first rack, and a second clamping jaw is connected to the second rack to realize the same speed and reverse movement of the second rack by the movement of the first rack, and then drive the first and second clamping jaws to move towards each other to realize centering.

[0007] Further, the support device further comprises a cylinder base between the electric cylinder base and the roller shaft base, the telescopic end of the servo electric cylinder is connected to the cylinder base, and the cylinder base is driven to move up and down in a servo manner; the cylinder base is provided with a cylinder, the telescopic end of the cylinder is connected to the roller shaft base, and the roller shaft base is driven to move up and down to realize the chuck avoiding action.

[0008] Further, the cylinder base of the support device is provided with a guide column, and the electric cylinder base is provided with a sleeve matched with the guide column; the roller shaft base is provided with a guide column, and the cylinder base is provided with a sleeve matched with the guide column.

[0009] Further, the roller shaft base of the support device is provided with an axle roller capable of supporting the pipe to be machined and allowing the pipe to move in an axial low-friction manner.

[0010] Further, the jaw assembly of the support device further comprises a driving cylinder for driving the jaw to move up and down, and a guide sleeve matched with the jaw, which is connected to the rack through a connecting plate.

[0011] Further, the jaw assembly of the support device is connected to the roller shaft base through a connecting plate, and the connecting plate is provided with a sliding rail corresponding to the movement of the first rack and the second rack, respectively, and the first rack and the second rack are respectively provided with a sliding block matched with the sliding rail.

[0012] Further, the support device further comprises an organ case for protecting the electric cylinder base and the cylinder base.

[0013] Advantages: compared with the prior art, the support device has the advantages that: the support device adopts a double-layer lifting cage structure, improves the overall carrying capacity, and prolongs the service life; one module is used to realize servo support and chuck avoiding, large working stroke and low landing height are realized at the same time, the system is simplified, and the cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 Fig. 1 is a structural schematic view of the support device of the utility model;

[0015] Figure 2 Fig. 2 is a structural schematic view of the jaw assembly of the utility model. DETAILED DESCRIPTION

[0016] The technical scheme of the utility model will be further described in detail below with reference to the drawings.

[0017] The servo support device of the utility model is assembled in a laser pipe cutting machine to assist in supporting long pipes, prevent pipe deformation, and be used for centering operation of heavy pipes and chucks. Specifically, as shown in Figure 1As shown, the servo support device comprises an electric cylinder base 1 mounted on a laser pipe cutting machine tool, the electric cylinder base 1 is provided with a servo electric cylinder 3, the telescopic end of the servo electric cylinder 3 can be directly connected with a roller shaft base 2 to drive the roller shaft base 2 to lift. Alternatively, a double-layer lifting drive is realized between the electric cylinder base 1 and the roller shaft base 2 by means of a cylinder base 10 to realize the lifting of the roller shaft base 2.

[0018] The embodiment takes the double-layer lifting drive as an example to further illustrate the structure of the servo support device. The telescopic end of the servo electric cylinder 3 is connected with the cylinder base 10 to drive the cylinder base 10 to make servo up-down movement. The cylinder base 10 is provided with a cylinder 11, and the telescopic end of the cylinder 11 is connected with the roller shaft base 2 to further drive the roller shaft base 2 to make up-down movement through the cylinder 11 on the cylinder base 10. The cylinder base 10 is provided with guide columns 12 at four corners, and the electric cylinder base 1 is provided with sleeves matched with the guide columns 12. The roller shaft base 2 is provided with guide columns 12 at four corners, and the cylinder base 10 is provided with sleeves matched with the guide columns 12.

[0019] The roller shaft base 2 is provided with shaft rollers 13 for supporting the pipe to be processed and allowing the pipe to make axial low-friction movement.

[0020] The roller shaft base 2 is connected with a clamping jaw assembly through a connecting plate 15, as shown in Figure 1 and Figure 2 The clamping jaw assembly comprises a driving cylinder 4 connected to the connecting plate 15, the telescopic end of the driving cylinder 4 is connected with a first rack 5, the first rack 5 is engaged with a second rack 7 through a gear 6, and the gear 6 is rotatably arranged on the connecting plate 15 through a rotating shaft, so that when the first rack 5 is driven to move by the driving cylinder 4, the second rack 7 can be driven to move at the same speed in the opposite direction.

[0021] The first rack 5 is connected with a first clamping jaw 8, and the second rack 7 is connected with a second clamping jaw 9. The first rack 5 and the second rack 7 are also connected to the connecting plate 15 by the connection of the sliding block 17 and the sliding rail 16. That is, the connecting plate 15 is provided with a sliding rail 16 corresponding to the first rack 5 and the second rack 7, and the first rack 5 and the second rack 7 are respectively provided with a sliding block 17 matched with the sliding rail 16.

[0022] In addition, the clamping jaw assembly further comprises a driving cylinder 4 for driving the first clamping jaw 8 and the second clamping jaw 9 to lift, and the driving cylinder 4 is also connected to the rack through the connecting plate 15. The driving cylinder 4 can be arranged parallel to the clamping jaw, and the telescopic end of the driving cylinder 4 is connected to the clamping jaw through the connecting plate. The connecting plate 15 is also provided with a guide sleeve 14 matched with the clamping jaw.

[0023] In addition to the above components, the servo support device of the utility model also comprises an organ case 18 for protecting the electric cylinder base 1 and the cylinder base 10.

Claims

1. A heavy-duty servo support device for a laser pipe cutting machine, characterized by, The support device comprises an electric cylinder base (1) mounted on a laser pipe cutting machine tool, a roller shaft base (2) sliding up and down on the electric cylinder base (1), and a servo electric cylinder (3) connected to the electric cylinder base (1) and connected with the roller shaft base (2) to drive the roller shaft base (2) to slide up and down; a jaw assembly is connected on the roller shaft base (2), the jaw assembly comprises a drive cylinder (4) connected to the roller shaft base (2), the first rack (5) is connected to the telescopic end of the drive cylinder (4) to drive the first rack (5) to move through the movement of the drive cylinder (4); the second rack (7) is connected to the first rack (5) through the gear (6), the first jaw (8) is connected on the first rack (5), and the second jaw (9) is connected on the second rack (7) to realize the movement of the first rack (5) to drive the second rack (7) to move at the same speed in the opposite direction, and then drive the first jaw (8) and the second jaw (9) to move towards each other to realize centering.

2. The heavy duty servo support device for a laser pipe cutting machine according to claim 1, wherein The support device further comprises a cylinder base (10) between the electric cylinder base (1) and the roller shaft base (2), the telescopic end of the servo electric cylinder (3) is connected to the cylinder base (10) to drive the cylinder base (10) to move up and down in a servo manner; the cylinder (11) is arranged on the cylinder base (10), the telescopic end of the cylinder (11) is connected with the roller shaft base (2) to drive the roller shaft base (2) to move up and down to realize chuck avoiding action.

3. The heavy duty servo support device for a laser pipe cutting machine according to claim 2, wherein The cylinder base (10) is provided with a guide column (12), and the electric cylinder base (1) is provided with a sleeve matched with the guide column (12); the roller shaft base (2) is provided with a guide column (12), and the cylinder base (10) is provided with a sleeve matched with the guide column (12).

4. The heavy duty servo support device for a laser pipe cutting machine according to claim 1 or 2, characterized by, The roller shaft base (2) is provided with an axle roller (13) which can support the pipe to be machined and allow the pipe to move axially with low friction.

5. The heavy duty servo support device for a laser pipe cutting machine according to claim 1 or 2, characterized by, The jaw assembly further comprises a drive cylinder (4) for driving the jaw to rise and fall, and a guide sleeve (14) matched with the jaw, the guide sleeve (14) is connected to the rack through a connecting plate.

6. The heavy duty servo support device for a laser pipe cutting machine according to claim 1 or 2, characterized by, The jaw assembly is connected to the roller shaft base (2) through a connecting plate (15), and the connecting plate (15) is provided with a sliding rail (16) corresponding to the movement of the first rack (5) and the second rack (7), respectively, and the first rack (5) and the second rack (7) are respectively provided with a sliding block (17) matched with the sliding rail (16).

7. The heavy duty servo support device for a laser pipe cutting machine according to claim 2, wherein The support device further comprises an organ case (18) for protecting the electric cylinder base (1) and the cylinder base (10).

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