Pipe cutting detection structure
By using photoelectric detectors and drive structures during pipe cutting, the problem of incomplete cutting caused by clamp slippage is solved, enabling accurate detection and alarm of pipe cutting and ensuring product quality.
Patent Information
- Application Number
- CN202423282330.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2026-02-03
- Estimated Expiration
- 2034-12-30
AI Technical Summary
During the metal pipe cutting process, the friction between the clamp and the pipe can easily cause slippage, resulting in incomplete cutting of the pipe and affecting subsequent production.
A photoelectric detector is installed on the turntable and moves along an arc-shaped trajectory via a drive structure to detect the pipe cutting process. It issues an alarm signal when the pipe is not completely cut to prevent the uncut portion from entering the subsequent production process.
Effectively detect incompletely cut pipes, reduce false detection rates, ensure pipe integrity, and prevent unqualified products from entering subsequent production.
Smart Images
Figure CN223863077U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of metal processing equipment, and in particular relates to a pipe cutting detection structure. Background Technology
[0002] Currently, most metal pipe cutting processes utilize laser cutting equipment. The laser cutting process involves clamping the pipe with a fixture and moving it to the laser cutting head. The fixture then rotates the pipe 360° to complete the laser cut. However, the fixture and pipe are fixed together by friction, which can easily lead to slippage. This can result in the fixture rotating 360° while the pipe rotates less than 360°, resulting in incomplete cuts. Incompletely cut pipes entering subsequent production stages can negatively impact the overall production process. Summary of the Invention
[0003] In view of the above-mentioned problems in the existing technology, the present invention provides a pipe cutting detection structure, which includes a mounting frame for installation and fixing, a turntable is rotatably mounted on the mounting frame, a photoelectric detector is fixedly mounted on the outer side of the turntable, and a driving structure for driving the turntable to rotate is also fixedly mounted on the mounting frame. The driving structure drives the photoelectric detector to move from top to bottom along an arc trajectory through the turntable.
[0004] The mounting bracket is fixedly equipped with an outer bearing ring, and an inner bearing ring is fixedly equipped with one side of the center of the turntable. The turntable is rotatably mounted on the mounting bracket through a bearing structure composed of an outer bearing ring, an inner bearing ring, and balls. The outer side of the turntable is provided with a mounting hole, and a fixing ring is fixedly installed on the photoelectric detector. One side of the fixing ring is provided with a thread. After the photoelectric detector passes through the mounting hole, it is clamped and fixedly installed on the turntable by the cooperation of a nut and the fixing ring.
[0005] The inner bearing ring has an operating disc fixedly mounted on the other side of the turntable, and an operating rod is fixedly mounted on the outer side of the operating disc on the other side of the inner bearing ring. The driving structure is a telescopic rod, and the telescopic end of the driving structure is connected to the operating rod in a transmission manner.
[0006] The telescopic end of the drive structure is fixedly equipped with an operating block, and the operating block is provided with a limiting groove that is perpendicular to the extension direction and the telescopic direction. The operating rod is slidably inserted into the limiting groove with clearance fit.
[0007] The radius line perpendicular to the limiting groove on the operation panel is defined as the limiting radius, and the end of the limiting groove near the limiting radius does not extend to coincide with the limiting radius.
[0008] Both ends of the limiting groove are fixedly installed with anti-reverse springs, and anti-reverse arc plates that contact and cooperate with the operating rod are fixedly installed on the anti-reverse springs.
[0009] The beneficial effects of this utility model are:
[0010] 1. The photoelectric detector is installed at the corresponding point of the cutting point using the mounting bracket. The photoelectric detector is used to detect the cutting status of the metal pipe. When it is detected that the pipe has not been completely cut, an alarm signal is sent to the laser cutting equipment and the operation is stopped. This can prevent the pipe that has not been completely cut from entering the subsequent production process.
[0011] Driven by the driving structure, the photodetector moves from top to bottom along an arc-shaped trajectory. The arc-shaped trajectory can fit the curved trajectory of the incompletely cut pipe material, which can avoid the situation where the incompletely cut pipe material head bends downward along the connection position and avoids detection, thus preventing false detection. Attached Figure Description
[0012] Figure 1 This is a schematic diagram of a pipe cutting and inspection structure.
[0013] Figure 2 This is a schematic diagram of a pipe cutting and inspection structure from another angle.
[0014] Figure 3 This is an exploded structural diagram of a pipe cutting inspection structure.
[0015] Figure 4 This is a schematic diagram of the exploded structure of a pipe cutting detection structure from another angle.
[0016] Figure 5 This is a schematic diagram of the fit between the limiting groove and the operating rod in Embodiment 1.
[0017] Figure 6 This is a schematic diagram of the fit between the limiting groove and the operating rod in Embodiment 2.
[0018] Figure 7 This is a three-dimensional structural diagram of the limiting groove in Embodiment 2.
[0019] Figure 8 This is a schematic diagram of a pipe cutting inspection structure. Detailed Implementation
[0020] The present invention will now be described in detail with reference to the accompanying drawings and specific embodiments.
[0021] As attached Figure 1-5The diagram illustrates a pipe cutting detection structure, comprising a mounting frame 1 made of sheet metal bending for installation and fixation. One end of the mounting frame 1 is fixedly connected to the cutting equipment, and the other end of the mounting frame 1 is fixedly mounted with an outer bearing ring 2 by bolts. An inner bearing ring 3 is provided inside the outer bearing ring 2, forming a bearing structure composed of the outer bearing ring 2, the inner bearing ring 3, and ball bearings. A turntable 4 is fixedly mounted on the side of the inner bearing ring 3 facing the metal pipe, with the center of the turntable 4 fixedly connected to the inner bearing ring 3, allowing the turntable 4 to rotate on the mounting frame 1 via the bearing structure. A mounting hole is provided on the outer side of the turntable 4, through which a photoelectric detector 5 is mounted. A fixing ring 6 is fixedly mounted on the photoelectric detector 5, with a thread on one side. After passing through the mounting hole, the photoelectric detector 5 is clamped and fixedly mounted on the turntable 4 by the cooperation of a nut and the fixing ring 6. An operating disc 7 is fixedly mounted on the other side of the inner bearing ring 3 relative to the turntable 4 by bolts. An operating rod 8 is fixedly installed on the outer side of the other side of the bearing ring 3. The operating rod 8 and the photoelectric detector 5 are 180° apart. A drive structure 9 for driving the turntable 4 to rotate is also fixedly installed on the mounting bracket 1. The drive structure 9 is a telescopic rod. An operating block 10 is fixedly installed on the telescopic end of the drive structure 9. A limiting groove 11 with the extension direction perpendicular to the telescopic direction is provided on the operating block 10. The radius line on the operating disk 7 that is perpendicular to the limiting groove 11 is defined as the limiting radius. The end of the limiting groove 11 near the limiting radius does not extend to coincide with the limiting radius. This design can prevent the operating rod 8 from falling into the line connecting the center of the drive structure 9 and the center of the operating disk 7, and avoid the center of the operating block 10 and the center of the operating disk 7 resisting each other, which would prevent the operating disk 7 from rotating. The operating rod 8 is slidably inserted into the limiting groove 11 with clearance to achieve transmission connection. The drive structure 9 drives the turntable 4 to rotate through telescopic movement, and the turntable 4 drives the photoelectric detector 5 to move from top to bottom along an arc trajectory to detect the pipe.
[0022] The detection structure provided in this embodiment is activated after laser cutting is completed to detect whether the end of the pipe material that should have been cut off is still connected to the main body of the pipe due to incomplete cutting. Figure 8 As shown, the initial position of the photoelectric detector 5 is located at the axis corresponding to the pipe. If the pipe is detected, it proves that the pipe is not completely cut. If no pipe is detected at the initial position, the drive structure 9 is activated. The drive structure 9 extends and drives the turntable 4 to rotate. The turntable 4 drives the photoelectric detector 5 to swing downward in an arc. During the swing, it continuously detects whether there is a pipe. If a pipe is detected, it also proves that the pipe is not completely cut. Moreover, due to the weight of the material head, it automatically bends downward to avoid detection, which can reduce the false detection rate of the detection equipment. When the pipe is detected to be not completely cut, a signal is sent to the cutting equipment to stop the cutting equipment. If no incomplete cut is detected, the drive structure 9 drives the photoelectric detector 5 to reset.
[0023] Example 2:
[0024] The difference between this embodiment and Embodiment 1 lies in the structure of the limiting groove 11, as shown in the attached figure. Figure 6 and 7 As shown, anti-reverse springs 12 are fixedly installed at both ends of the limiting groove 11. Anti-reverse arc plates 13 that contact and cooperate with the operating rod 8 are fixedly installed on the anti-reverse springs 12. The anti-reverse arc plates 13 are slidably connected to the limiting groove 11. In this embodiment, the limiting groove 11 of the detection structure is provided with an elastically connected anti-reverse arc plate 13. When the operating rod 8 swings to the end of the trajectory, it will press the anti-reverse arc plate 13 and the anti-reverse spring 12 at the corresponding end. That is, the anti-reverse arc plate 13 will provide a lateral reaction force to the operating rod 8, which can push the operating rod 8 to move laterally. It can also avoid the situation where the center of the operating block 10 and the center of the operating disk 7 resist each other, causing the operating disk 7 to be unable to rotate.
[0025] Compared with Embodiment 1, the structure of this embodiment is more complex and the manufacturing cost is relatively higher, but the photodetector 5 can obtain a larger swing stroke and has a lower false detection rate.
[0026] The above-described embodiments only illustrate two implementation methods of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.
Claims
1. A pipe cutting detection structure, characterized in that, It includes a mounting bracket (1) for installation and fixation, on which a turntable (4) is rotatably mounted, and a photodetector (5) is fixedly mounted on the outer side of the turntable (4). The mounting bracket (1) is also fixedly mounted with a drive structure (9) for driving the turntable (4) to rotate. The drive structure (9) drives the photodetector (5) to move from top to bottom along an arc trajectory through the turntable (4).
2. The pipe cutting detection structure according to claim 1, characterized in that, An outer bearing ring (2) is fixedly installed on the mounting bracket (1), and an inner bearing ring (3) is fixedly installed on one side of the center of the turntable (4). The turntable (4) is mounted on the mounting bracket (1) by rotating through a bearing structure composed of the outer bearing ring (2), the inner bearing ring (3), and the ball bearing. A mounting hole is provided on the outer side of the turntable (4), and a fixing ring (6) is fixedly installed on the photoelectric detector (5). A thread is provided on one side of the fixing ring (6). After the photoelectric detector (5) passes through the mounting hole, it is clamped and fixedly installed on the turntable (4) by the cooperation of the nut and the fixing ring (6).
3. The pipe cutting detection structure according to claim 2, characterized in that, The inner bearing ring (3) has an operating disc (7) fixedly installed on the other side relative to the turntable (4). The operating disc (7) has an operating rod (8) fixedly installed on the outer side of the other side relative to the inner bearing ring (3). The driving structure (9) is a telescopic rod, and the telescopic end of the driving structure (9) is connected to the operating rod (8) in a transmission connection.
4. The pipe cutting detection structure according to claim 3, characterized in that, The telescopic end of the drive structure (9) is fixedly installed with an operating block (10). The operating block (10) is provided with a limiting groove (11) that is perpendicular to the extension direction and the telescopic direction. The operating rod (8) is slidably inserted into the limiting groove (11) with clearance fit.
5. The pipe cutting detection structure according to claim 4, characterized in that, The radius line perpendicular to the limiting groove (11) on the operation panel (7) is defined as the limiting radius. The end of the limiting groove (11) near the limiting radius does not extend to coincide with the limiting radius.
6. The pipe cutting detection structure according to claim 4, characterized in that, Both ends of the limiting groove (11) are fixedly installed with anti-reverse springs (12), and anti-reverse arc plates (13) that are in contact with the operating rod (8) are fixedly installed on the anti-reverse springs (12).