Auxiliary supporting device for laser pipe cutting machine

Abstract

The utility model relates to laser cutting technical field especially, it relates to a kind of auxiliary support device for laser pipe cutting machine.Aiming at the technical problem that the overhanging part will bend downward due to its own gravity in the process of laser pipe cutting machine cutting pipe, affect the processing accuracy.A kind of auxiliary support device for laser pipe cutting machine, including base;Two guide rails are installed on base;Two guide rails are slidably connected with support frame;Rotary support bearing is installed in support frame;Profile clamping tool is installed on the inner ring of rotary support bearing.The utility model realizes a multifunctional auxiliary support unit of automatic centering clamping, rotary follow-up support and axial sliding support by integrating profile clamping tool on the inner ring of rotary support bearing, effectively avoids the error and inefficiency of manual adjustment, and provides stable support for circumferential cutting, greatly inhibits the rotary vibration of pipe overhanging end, and prevents pipe droop simultaneously.

Description

Technical Field

[0001] This utility model relates to the field of laser cutting technology, and in particular to an auxiliary support device for a laser tube cutting machine. Background Technology

[0002] Laser tube cutting technology, as an important means in modern industrial manufacturing, has been widely used in the precision processing of metal tubes. With the development of science and technology and industrial upgrading, the processing capacity of laser tube cutting machines has been increasing, and they can handle various specifications and even heavy profiles. However, when processing long tubes, a significant technical problem has always existed: during the process of laser tube cutting, the tube extending from its output end rotates continuously with the main machine chuck as the cutting progresses. The overhanging part bends downward due to its own weight. This bending deformation is transformed into huge swing and vibration when the tube rotates with the main machine chuck, which seriously affects the quality, roundness and overall processing accuracy of the cut surface. More seriously, if there is no effective protection, the violently swinging long tube may pose a safety hazard to the surrounding operators or equipment, posing a great safety risk.

[0003] Currently, there are two main solutions for supporting the discharge end of long pipes: First, installing a follow-up support device that is precisely matched with the CNC program of the laser pipe cutting machine. Although such devices are highly automated, they are complex and extremely expensive, greatly increasing the equipment investment burden for enterprises. This is especially detrimental to the technological upgrading and cost control of small and medium-sized enterprises. Second, using relatively primitive auxiliary methods, such as relying on manual lifting or using ropes, overhead cranes, etc. for hoisting and support. These methods not only heavily rely on the experience and physical strength of the operators, but also have poor support stability, cannot guarantee continuous processing accuracy, and place personnel in the dangerous range of swinging pipes, making personal safety impossible to guarantee. At the same time, production efficiency is also extremely low. Utility Model Content

[0004] In order to overcome the shortcomings mentioned in the background art, the present invention provides an auxiliary support device for a laser tube cutting machine.

[0005] The technical implementation scheme of this utility model is as follows: an auxiliary support device for a laser tube cutting machine, comprising a base located on the discharge side of the laser tube cutting equipment; two guide rails are mounted on the base; a support frame is slidably connected to the two guide rails; a rotary support bearing is installed inside the support frame; a profile clamping fixture is mounted on the inner ring of the rotary support bearing; the profile clamping fixture consists of a fixed base, a guide rod, a sliding arm, and a drive mechanism; the fixed base is mounted on the inner ring of the rotary support bearing; the guide rod is mounted on the fixed base; the sliding arm is slidably connected to the guide rod; a rotating rod is mounted on the sliding arm, and the rotating rod is used to contact and support the tube; the drive mechanism is disposed on the fixed base, and the drive mechanism is used to drive the sliding arm to move along the guide rod.

[0006] Furthermore, there are four guide rods arranged in a square; there are four sliding arms, with each sliding arm slidably connected at both ends to a set of symmetrically arranged guide rods.

[0007] Furthermore, the fixed base includes a fixed plate, a fixed frame, and a fixed shell; the fixed plate is installed on the inner ring of the rotary support bearing; the fixed plate is equipped with a fixed frame; the fixed frame and the fixed plate are together installed and fixed with two fixed shells; and the guide rod is installed on the fixed frame.

[0008] Furthermore, the drive mechanism includes two mounting seats, both of which are mounted on a fixed frame; a threaded rod is rotatably connected to the mounting seat; a threaded sleeve is threadedly connected to the threaded rod; each threaded sleeve is hinged to a set of two symmetrical sliding arms via two connecting rods.

[0009] Furthermore, the axis of the rotating rod is perpendicular to the axis of the pipe.

[0010] Furthermore, the axis of the guide rod is perpendicular to the axis of the rotary support bearing.

[0011] Furthermore, a connecting arm is installed on the sliding arm, and a roller is rotatably connected to the connecting arm; the generatrix of the side of the roller is parallel to the generatrix of the side of the rotating rod and is in the same plane, and the roller and the rotating rod are arranged one in front of the other along the axis of the pipe.

[0012] Furthermore, limit frames are installed at both ends of the base.

[0013] Compared with the prior art, the auxiliary support device for a laser tube cutting machine provided by this utility model has the following significant advantages: The core beneficial effect of this utility model lies in the fact that by setting up a profile clamping fixture consisting of a fixed base, guide rod, sliding arm, rotating rod and drive mechanism, and integrating it on the inner ring of the rotary support bearing, a multi-functional auxiliary support unit integrating automatic centering clamping, rotary follow-up support and axial sliding support is realized. This effectively avoids the errors and inefficiencies of manual adjustment, provides stable support for circumferential cutting, greatly suppresses the rotational vibration of the pipe overhang end, prevents the pipe from sagging, and significantly improves processing accuracy and safety.

[0014] This invention enables the simultaneous opening and closing of two sliding arms with a single-handed operation through a drive mechanism. The mechanism also has a self-locking function, preventing loosening due to external force after clamping, thus ensuring the reliability of the clamping state. Furthermore, due to its simple structure, low manufacturing cost, and labor-saving and convenient operation, it is very suitable for frequent adjustments in the production site.

[0015] This invention features a dual support system consisting of rollers and a rotating rod. The rotating rod primarily provides rotational support, while the rollers are specifically optimized for axial movement. The two work together to reduce frictional resistance and facilitate smoother axial movement of the pipe, further minimizing the impact of the support device on the pipe's surface quality and reducing the power required to drive the pipe's axial movement. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0017] Figure 2 This is a three-dimensional structural diagram of the base and its components of this utility model.

[0018] Figure 3 This is a three-dimensional structural diagram of the rotary support bearing and its components according to this utility model.

[0019] Figure 4 This is a three-dimensional structural diagram of the fixing plate, fixing frame, and fixing shell of this utility model.

[0020] Figure 5 This is a three-dimensional structural diagram of the threaded rod, threaded sleeve, and connecting rod of this utility model.

[0021] Explanation of reference numerals in the attached drawings: 101-Laser tube cutting equipment, 102-Base, 103-Guide rail, 104-Support frame, 105-Rotary support bearing, 106-Guide rod, 107-Sliding arm, 108-Rotating rod, 109-Fixing plate, 110-Fixing frame, 111-Fixing shell, 112-Mounting seat, 113-Threaded rod, 114-Threaded sleeve, 115-Connecting rod, 116-Connecting arm, 117-Roller, 118-Limiting frame. Detailed Implementation

[0022] The embodiments of this utility model will be described below with reference to the accompanying drawings.

[0023] An auxiliary support device for a laser tube cutting machine, such as Figures 1-3 As shown, the auxiliary support device is located on the discharge side of the laser tube cutting equipment 101. Its basic component is the base 102, which is fixed to the working ground by anchor bolts or other means. Two parallel guide rails 103 are fixedly installed on the base 102. A support frame 104 is slidably connected to the two guide rails 103 through a slider at its bottom, so that the entire support frame 104 can move along the axial direction of the tube (i.e., the feeding and discharging direction). In order to limit the sliding stroke of the support frame 104 and prevent it from derailing, limit frames 118 are installed at both ends of the base 102.

[0024] like Figure 3 and Figure 4 As shown, a rotary support bearing 105 is installed in the middle of the support frame 104. The outer ring of the bearing is fixed to the support frame 104, while the inner ring can rotate freely under drive.

[0025] like Figures 2-5 As shown, the profile clamping fixture is the key part of this utility model. The profile clamping fixture consists of a fixed base, a guide rod 106, a sliding arm 107 and a drive mechanism. The profile clamping fixture is installed on the inner ring of the rotary support bearing 105 through the fixed base, thereby obtaining rotational freedom.

[0026] like Figures 2-5 As shown, the fixed base consists of three parts: a fixed plate 109 fixedly connected to the inner ring of the rotary support bearing 105, a fixed frame 110 vertically mounted on the fixed plate 109, and two upper and lower fixed shells 111 connected and fixed to the fixed plate 109 and the fixed frame 110 by bolts.

[0027] like Figure 4 and Figure 5 As shown, all four guide rods 106 are mounted on the fixed frame 110. These four guide rods 106 are arranged in a square shape, and their axes are all perpendicular to the axis of the rotary support bearing 105.

[0028] like Figures 3-5As shown, four sliding arms 107 are slidably connected to four guide rods 106 respectively. Specifically, each sliding arm 107 has its two ends fitted onto a set of symmetrically arranged guide rods 106. A rotating rod 108 is installed on the inner side of each sliding arm 107 (the side facing the center of the pipe). The axis of the rotating rod 108 is perpendicular to the axis of the pipe to be supported. In order to provide more stable and smoother axial movement support, a connecting arm 116 is also installed on each sliding arm 107. A roller 117 is rotatably connected to the connecting arm 116. The generatrix of the side of the roller 117 is parallel to the generatrix of the side of the rotating rod 108 and is in the same cylindrical envelope. The roller 117 and the rotating rod 108 are arranged one in front of the other along the axis of the pipe, and the two work together to support the pipe.

[0029] like Figures 3-5 As shown, the drive mechanism is used to synchronously drive the four sliding arms 107 to perform radial opening and closing movements along the guide rod 106. The mechanism includes two mounting seats 112 fixed on the fixed frame 110. Each mounting seat 112 is rotatably connected to a threaded rod 113. Each threaded rod 113 is screwed with a threaded sleeve 114. Each threaded sleeve 114 is hinged to a set of two symmetrical sliding arms 107 through two connecting rods 115. Thus, when the threaded rod 113 is rotated, the threaded sleeve 114 will move, thereby pushing or pulling the two sliding arms 107 synchronously to contract towards the center or to open outwards through the connecting rods 115.

[0030] Before processing a batch of pipes of the same specification, the operator rotates the threaded rod 113, driving the four sliding arms 107 to move outward synchronously, opening the central space, and extending the long pipe from the main machine chuck through the center of the device. Subsequently, the threaded rod 113 is rotated in the opposite direction, driving the four sliding arms 107 to retract towards the center synchronously, and clamping the pipe from four directions through the rotating rod 108 and rollers 117 on them, completing automatic centering and clamping.

[0031] During the laser cutting process, when the host chuck drives the tube to rotate for circumferential cutting, the tube drives the rotating rod 108, roller 117 and the entire profile clamping fixture together. The inner ring of the rotating support bearing 105 rotates smoothly relative to the support frame 104, providing stable rotational support for the tube and effectively suppressing vibration.

[0032] When the cutting of one station is completed and the pipe needs to be moved axially to the next station, the main chuck drives the pipe to move axially. During this process, the clamped pipe moves smoothly axially on the fixed rotating rod 108 and roller 117 surface. Since the support frame 104 has been fixed, the position of the support point relative to the laser cutting head changes, but it always provides effective auxiliary support for the overhanging end of the pipe to prevent it from sagging.

[0033] Once a pipe fitting is cut and dropped, the device remains clamped and can immediately support the cutting of the next section of pipe without needing to be reset, thus achieving efficient and continuous mass production.

[0034] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention.

Claims

1. An auxiliary support device for a laser tube cutting machine, comprising a base (102) located on the discharge side of the laser tube cutting equipment (101); two guide rails (103) are mounted on the base (102); a support frame (104) is slidably connected to the two guide rails (103); a rotary support bearing (105) is installed inside the support frame (104); characterized in that: It also includes a profile clamping fixture, which is installed on the inner ring of a rotary support bearing (105); the profile clamping fixture consists of a fixed base, a guide rod (106), a sliding arm (107) and a drive mechanism; the fixed base is installed on the inner ring of the rotary support bearing (105); the guide rod (106) is installed on the fixed base; the sliding arm (107) is slidably connected to the guide rod (106); a rotating rod (108) is installed on the sliding arm (107) and is used to contact and support the pipe; the drive mechanism is set on the fixed base and is used to drive the sliding arm (107) to move along the guide rod (106).

2. The auxiliary support device for a laser tube cutting machine according to claim 1, characterized in that: There are four guide rods (106) arranged in a square shape; there are four sliding arms (107), and the two ends of each sliding arm (107) are slidably connected to a set of symmetrically arranged guide rods (106).

3. An auxiliary support device for a laser tube cutting machine according to claim 1, characterized in that: The fixed base includes a fixed plate (109), a fixed frame (110), and a fixed shell (111); the fixed plate (109) is installed on the inner ring of the rotary support bearing (105); the fixed plate (109) is equipped with the fixed frame (110); the fixed frame (110) and the fixed plate (109) are together installed and fixed with two fixed shells (111); the guide rod (106) is installed on the fixed frame (110).

4. An auxiliary support device for a laser tube cutting machine according to claim 3, characterized in that: The drive mechanism includes two mounting seats (112), both of which are mounted on a fixed frame (110); a threaded rod (113) is rotatably connected to the mounting seat (112); the threaded rod (113) is threadedly connected to a threaded sleeve (114); each threaded sleeve (114) is hinged to a set of two symmetrical sliding arms (107) through two connecting rods (115).

5. An auxiliary support device for a laser tube cutting machine according to claim 1, characterized in that: The axis of the rotating rod (108) is perpendicular to the axis of the pipe.

6. An auxiliary support device for a laser tube cutting machine according to claim 3, characterized in that: The axis of the guide rod (106) is perpendicular to the axis of the rotary support bearing (105).

7. An auxiliary support device for a laser tube cutting machine according to claim 1, characterized in that: A connecting arm (116) is installed on the sliding arm (107), and a roller (117) is rotatably connected to the connecting arm (116); the generatrix of the side of the roller (117) is parallel to the generatrix of the side of the rotating rod (108) and is in the same plane, and the roller (117) and the rotating rod (108) are arranged one in front of the other along the axis of the pipe.

8. An auxiliary support device for a laser tube cutting machine according to claim 1, characterized in that: Limit brackets (118) are installed at both ends of the base (102).

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