Automatic length cutting device for metal pipes

Abstract

The present application relates to the field of metal cutting equipment, especially to a kind of metal pipe automatic fixed-length cutting device.The present application relates to a kind of metal pipe automatic fixed-length cutting device, by the front and back distribution of multiple metal pipes, utilize electric sliding frame to drive bidirectional drive motor and the reciprocating movement of double-sided cutting cutter and limiting baffle on it, realize the automatic fixed-length and continuous cutting of multiple pipes in turn, axial conveying mechanism cooperates with limiting baffle to complete automatic feeding and fixed-length, rotary drive mechanism drives the rotation of pipe, cooperates with double-sided cutting cutter to complete cutting work, the overall degree of automation is high, can reduce manual intervention, improve batch production efficiency and safety, suitable for scale continuous processing demand.The present application solves the technical problems of the existing automatic metal pipe cutting machine, which can only handle one metal pipe at a time and has low efficiency.

Description

Technical Field

[0001] This invention relates to the field of metal cutting equipment, and more particularly to an automatic fixed-length cutting device for metal pipes. Background Technology

[0002] In the field of metal pipe processing, existing automated metal pipe cutting machines typically consist of a frame, feeding mechanism, clamping mechanism, length measuring mechanism, cutting mechanism, and control system. They can achieve automatic feeding, automatic length setting, automatic clamping, and automatic cutting of pipes, thus replacing manual operation to a certain extent and improving cutting accuracy and production safety. However, the feeding channel, clamping station, and cutting station of such equipment can usually only accommodate one metal pipe at a time. After each feeding, only a single pipe can be measured and cut to its correct length. After cutting, it is necessary to wait for the next pipe to be fed, positioned, and clamped before continuing operation. It is impossible to simultaneously feed and measure multiple pipes at the same time. The length and group cutting methods result in frequent repetition of feeding, length setting, clamping, cutting, and unloading actions during batch processing. This leads to a significant proportion of auxiliary time, long waiting times for the cutting and feeding mechanisms, low output per unit time, and difficulty in improving production efficiency. Furthermore, the single-piece processing method increases the costs of manual supervision, energy consumption, and equipment wear and tear per product, making it difficult to meet the requirements of efficient, continuous, and large-scale production. Therefore, although existing automated metal pipe cutting machines can automatically set the length and complete the cutting, they can only process one metal pipe at a time. This low efficiency has become a major drawback restricting the improvement of automation levels in pipe processing. Summary of the Invention

[0003] In order to overcome the shortcomings of existing automated metal pipe cutting machines that can only process one metal pipe at a time and have low efficiency, this invention provides an automatic fixed-length cutting device for metal pipes.

[0004] Technical Solution: An automatic fixed-length cutting device for metal pipes includes a CNC machine tool, a worktable, an axial conveying mechanism, a rotary drive mechanism, a guide bracket, an electric sliding frame, a bidirectional drive motor, and a double-sided cutting disc. The CNC machine tool has a worktable; the worktable has several axial conveying mechanisms that convey metal pipes to the right, equidistantly distributed along the front-back direction; the worktable also has several rotary drive mechanisms that drive the metal pipes to rotate, equidistantly distributed along the front-back direction; the right side of the worktable has several guide brackets that support the metal pipes, equidistantly distributed along the front-back direction; an electric sliding frame that moves along the front-back direction is slidably connected to the worktable; a bidirectional drive motor is mounted on the electric sliding frame; and a double-sided cutting disc for continuously reciprocating cutting of the metal pipes is fixedly connected to the rotating component of the bidirectional drive motor.

[0005] More preferably, the CNC machine tool has a built-in video monitoring system that captures the working status of the worktable; and an observation display screen connected to the video monitoring system is installed on the outside of the CNC machine tool.

[0006] More preferably, the worktable is provided with a slag discharge groove that aligns with the bottom of the double-sided cutting blade.

[0007] More preferably, a limit baffle is fixedly attached to the lower right side of the electric sliding frame.

[0008] More preferably, several slag baffles are fixedly connected to the slag discharge trough of the workbench along the front-to-back direction; the slag baffles are provided with passage slots for aligning with the double-sided cutting discs.

[0009] More preferably, the bidirectional drive motor is equipped with two spray pipes on the left and right sides that spray coolant toward the double-sided cutting disc.

[0010] More preferably, the double-sided cutting disc is provided with several rotating blades.

[0011] More preferably, the bottom of the limiting baffle is slidably connected to the worktable.

[0012] More preferably, a geared motor is installed on the front and rear sides of the limiting baffle; a turntable is rotatably connected to the front and rear sides of the limiting baffle; the output shaft of the geared motor is fixed to the turntable on the same side; a grinding disc for grinding burrs on the end of the metal pipe is fixed to the turntable.

[0013] More preferably, a fan is installed on the front and rear sides of the limiting baffle, each aligned with the grinding disc on the same side.

[0014] Beneficial Effects: The automatic length-fixed cutting device for metal pipes of the present invention achieves automatic length-fixed and continuous cutting of multiple pipes by distributing multiple metal pipes along the front and back, and using an electric sliding frame to drive a bidirectional drive motor and its double-sided cutting disc and limiting baffle to move back and forth. The axial conveying mechanism, in conjunction with the limiting baffle, automatically completes feeding and length-fixing. The rotary drive mechanism drives the pipe to rotate, and in conjunction with the double-sided cutting disc, achieves efficient circumferential cutting with good cut quality. The limiting baffle ensures length-fixing accuracy, and the slag discharge trough removes chips in a timely manner. After cutting, the pipes can also be automatically conveyed and unloaded. The overall automation level is high, which can reduce manual intervention, improve batch production efficiency and safety, and is suitable for large-scale continuous processing needs. It solves the technical problem that existing automated metal pipe cutting machines can only process one metal pipe at a time and have low efficiency. Attached Figure Description

[0015] Figure 1 A three-dimensional structural diagram illustrating the present invention; Figure 2 A three-dimensional structural diagram of the worktable of the present invention is provided; Figure 3A perspective view illustrating the electric sliding frame of the present invention; Figure 4 A three-dimensional structural diagram illustrating the axial transmission mechanism and rotary drive mechanism of the present invention; Figure 5 This is a perspective view illustrating the structure of the double-sided cutting blade disc of the present invention; Figure 6 This is a three-dimensional structural diagram illustrating the limiting baffle of the present invention.

[0016] The labels in the diagram are as follows: 1-CNC machine tool, 11-Observation display screen, 2-Worktable, 201-Slag discharge trough, 21-Axial transmission mechanism, 22-Rotary drive mechanism, 23-Guide bracket, 3-Electric sliding frame, 4-Bidirectional drive motor, 41-Double-sided cutting disc, 42-Rotating blade, 5-Limit baffle, 6-Slag baffle, 601-Passage trough, 7-Spray pipe, 8-Gear motor, 81-Turntable, 82-Grinding disc, 9-Fan. Detailed Implementation

[0017] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0018] Example 1: An automatic fixed-length cutting device for metal pipes according to this example, such as... Figures 1-6 As shown, the system includes a CNC machine tool 1, a worktable 2, an axial transmission mechanism 21, a rotary drive mechanism 22, a guide bracket 23, an electric sliding frame 3, a bidirectional drive motor 4, and a double-sided cutting disc 41. The CNC machine tool 1 contains a worktable 2. The worktable 2 contains several axial transmission mechanisms 21 that convey metal pipes to the right. These axial transmission mechanisms 21 are equidistantly distributed along the front-to-back direction. Each axial transmission mechanism 21 consists of a bottom axial electric transmission wheel, a first lifting mechanism, and a top axial electric transmission wheel that moves up and down under the control of the first lifting mechanism. The top axial electric transmission wheel is vertically aligned with the bottom axial electric transmission wheel. The worktable 2 contains several mechanisms that drive the metal pipes... The rotating drive mechanism 22 is equidistantly distributed along the front-to-back direction. The rotating drive mechanism 22 consists of a bottom circumferential electric transmission wheel, a second elevator, and a top circumferential electric transmission wheel that moves up and down under the control of the second elevator. The top circumferential electric transmission wheel and the bottom circumferential electric transmission wheel are aligned vertically. Several guide brackets 23 supporting metal pipes are provided on the right side of the worktable 2. The guide brackets 23 are equidistantly distributed along the front-to-back direction. An electric sliding frame 3 that moves along the front-to-back direction is slidably connected to the worktable 2. A bidirectional drive motor 4 is installed on the electric sliding frame 3. A double-sided cutting disc 41 is fixedly connected to the rotating part of the bidirectional drive motor 4.

[0019] like Figure 1 and Figure 3As shown, the workbench 2 is provided with a slag discharge groove 201 that aligns with the lower part of the double-sided cutting blade 41; the CNC machine tool 1 is equipped with a built-in video monitoring system; an observation display screen 11 connected to the video monitoring system is installed on the outside of the CNC machine tool 1, through which the working status of the metal pipe inside the workbench 2 can be viewed by the observation display screen 11; a limit baffle 5 is fixedly connected to the lower right side of the electric sliding frame 3.

[0020] The working steps of the automatic fixed-length cutting device for metal pipes in this embodiment are as follows.

[0021] In operation, multiple metal pipes are fed into the worktable 2 of the CNC machine tool 1 in a front-to-back arrangement. The metal pipes are supported by the bottom axial electric transmission wheel of the axial transmission mechanism 21 and the bottom circumferential electric transmission wheel of the rotary drive mechanism 22. The first lifting mechanism of the axial transmission mechanism 21 controls the top axial electric transmission wheel to press down on the top of the metal pipe. The bottom and top axial electric transmission wheels of the axial transmission mechanism 21 work together to move the metal pipe to the right onto the guide bracket 23. At the same time, the electric sliding frame 3 drives the bidirectional drive motor 4, the double-sided cutting blade 41, and the limiting baffle 5 to move back and forth in the front-to-back direction. When the right end of the metal pipe driven by the axial transmission mechanism 21 is in close contact with the limiting baffle 5, the axial transmission mechanism 21 can no longer continue to drive the metal pipe. At this time, the bottom and top axial electric transmission wheels of the axial transmission mechanism 21 stop transmitting. The first elevator controls the top axial electric transmission wheel to move upward away from the metal pipe, completing the automatic length positioning of the metal pipe. Then, the second elevator of the rotary drive mechanism 22 controls the top circumferential electric transmission wheel to press down on the top of the metal pipe. The bottom circumferential electric transmission wheel of the rotary drive mechanism 22 works in conjunction with the top circumferential electric transmission wheel to drive the metal pipe to rotate. At the same time, the bidirectional drive motor 4 drives the double-sided cutting disc 41 to rotate at high speed. The double-sided cutting disc 41 then moves to cut the metal pipe, cutting off the rotating metal pipe. The debris generated during cutting is discharged downward through the slag discharge trough 201. After the double-sided cutting disc 41 cuts one metal pipe, the electric sliding frame 3 continues to drive the bidirectional drive motor 4, the double-sided cutting disc 41 and the limit baffle 5 to move, and the double-sided cutting disc 41 cuts off the remaining metal pipes in the moving direction in sequence.

[0022] Whenever the double-sided cutting disc 41 cuts a metal tube, and the electric sliding frame 3 drives the bidirectional drive motor 4, the double-sided cutting disc 41, and the limiting baffle 5 to move away from the metal tube, the bottom circumferential electric transmission wheel and the top circumferential electric transmission wheel of the rotary drive mechanism 22 stop conveying, and the second elevator controls the top circumferential electric transmission wheel to move upward away from the metal tube. Then, following the above steps, the main body and the cut-off part of the metal tube are conveyed to the right through the axial conveying mechanism 21. After leaving the guide bracket 23, the cut-off part will automatically fall downward under its own gravity and leave the CNC machine tool 1. After the bidirectional drive motor 4 and the double-sided cutting blade 41 complete the cutting of all metal pipes in the moving direction, the electric sliding frame 3 drives the bidirectional drive motor 4, the double-sided cutting blade 41 and the limiting baffle 5 to move in the opposite direction. The axial transmission mechanism 21 only needs to follow the above steps to drive the right end of the metal pipe to closely adhere to the moving limiting baffle 5, and complete the automatic length positioning process of the metal pipe again. This allows the double-sided cutting blade 41 to continue to cut the remaining metal pipes in the moving direction in sequence. This achieves the continuous length cutting of multiple metal pipes by the electric sliding frame 3 driving the bidirectional drive motor 4, the double-sided cutting blade 41 and the limiting baffle 5 to move back and forth.

[0023] Example 2, as Figures 1-6 As shown, based on Embodiment 1, in this embodiment, several baffle plates 6 are fixedly connected to the slag discharge trough 201 of the workbench 2 along the front-to-back direction; each baffle plate 6 has a through groove 601 aligned with the double-sided cutting disc 41, ensuring that the double-sided cutting disc 41 can smoothly pass through the baffle plate 6 via the through groove 601 during movement; two spray pipes 7 are installed on the bidirectional drive motor 4, with the inlet end of the spray pipe 7 connected to a coolant delivery device, and the outlet end of the spray pipe 7 facing the double-sided cutting disc 41; several rotating blades 42 are provided on the non-cutting part of the double-sided cutting disc 41; when the double-sided cutting disc 41 moves to cut the metal pipe, the high-temperature sparks splashed towards the rotation tangential direction will be affected by the baffle plates. The slag baffle 6 blocks the flow of high-temperature sparks onto the surface of adjacent metal pipes. At the same time, the external coolant delivery equipment continuously supplies coolant to the spray pipe 7. The spray pipe 7 sprays the coolant onto the surface of the double-sided cutting disc 41, keeping the surface of the double-sided cutting disc 41, which is continuously cutting, under water cooling treatment. This prevents the double-sided cutting disc 41 from becoming dull due to overheating. At the same time, the coolant can also promptly remove residual debris from the surface of the double-sided cutting disc 41, ensuring the cleanliness of the surface. As the double-sided cutting disc 41 drives the rotating blade 42 to rotate at high speed, the rotating blade 42 splashes some coolant onto the surface of the baffle plate 6, which faces the direction of high-temperature spark splashing. This allows the coolant to simultaneously cool the surface of the baffle plate 6 and remove residual debris.

[0024] Example 3, as Figures 1-6 As shown, based on Embodiment 1, in this embodiment, the bottom of the limiting baffle 5 is slidably connected to the worktable 2. When the axial conveying mechanism 21 conveys the metal pipe and presses it towards the limiting baffle 5, the worktable 2 provides sufficient reverse support force to the bottom of the limiting baffle 5 to prevent the limiting baffle 5 from bending and deforming under the long-term pressure of the metal pipe. A reduction motor 8 is installed on the front and rear sides of the limiting baffle 5. A turntable 81 is rotatably connected to the front and rear sides of the limiting baffle 5. The output shafts of the two reduction motors 8 are respectively fixed to the turntable 81 on the same side. A grinding disc 82 is fixed to the left side of each of the two turntables 81. A fan 9 aligned with the grinding disc 82 on the same side is installed on the front and rear sides of the limiting baffle 5. After the metal pipe completes one cutting operation, if the body cutting end left after the metal pipe is cut has When the axial conveying mechanism 21 moves the metal pipe toward the limiting baffle 5, the cutting end of the metal pipe will be blocked and isolated from the limiting baffle 5 by the burrs, which will prevent the cutting end of the metal pipe from effectively contacting the surface of the limiting baffle 5. This will affect the cutting length accuracy of the metal pipe. Therefore, in this embodiment, when the axial conveying mechanism 21 moves the metal pipe toward the limiting baffle 5, the reduction motor 8 on the limiting baffle 5 drives the turntable 81 and the grinding disc 82 to rotate slowly. The grinding disc 82 grinds the burrs at the end of the metal pipe. At the same time, the fan 9 blows air between the surface of the grinding disc 82 and the cutting end of the metal pipe to blow away the burr debris in time, ensuring that the distance between the cutting end of the metal pipe and the surface of the limiting baffle 5 is not affected by the burrs, and ensuring the accuracy of the fixed-length cutting of the metal pipe.

[0025] 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 automatic fixed-length cutting device for metal pipes, comprising a CNC machine tool (1); the CNC machine tool (1) is provided with a worktable (2); Its features are: It also includes an axial conveying mechanism (21), a rotary drive mechanism (22), a guide bracket (23), an electric sliding frame (3), a bidirectional drive motor (4), and a double-sided cutting disc (41); the worktable (2) is provided with several axial conveying mechanisms (21) that convey metal pipes to the right, and the axial conveying mechanisms (21) are equidistantly distributed in the front-back direction; the worktable (2) is provided with several rotary drive mechanisms (22) that drive the metal pipes to rotate, and the rotary drive mechanisms (22) are equidistantly distributed in the front-back direction; the right side of the worktable (2) is provided with several guide brackets (23) that support the metal pipes, and the guide brackets (23) are equidistantly distributed in the front-back direction; the worktable (2) is slidably connected to an electric sliding frame (3) that moves in the front-back direction; the electric sliding frame (3) is equipped with a bidirectional drive motor (4); the rotating part of the bidirectional drive motor (4) is fixedly connected to a double-sided cutting disc (41) for continuously reciprocating cutting of metal pipes.

2. The automatic fixed-length cutting device for metal pipes according to claim 1, characterized in that: The CNC machine tool (1) is equipped with a video monitoring system for the working status of the camera worktable (2); the CNC machine tool (1) is equipped with an observation display screen (11) connected to the video monitoring system on the outside.

3. The automatic fixed-length cutting device for metal pipes according to claim 1, characterized in that: The workbench (2) has a slag discharge trough (201) below the double-sided cutting blade (41).

4. The automatic fixed-length cutting device for metal pipes according to claim 1, characterized in that: A limit baffle (5) is fixedly attached to the lower right side of the electric sliding frame (3).

5. The automatic fixed-length cutting device for metal pipes according to claim 3, characterized in that: Several baffle plates (6) are fixedly connected to the slag discharge trough (201) of the workbench (2) along the front-to-back direction; the baffle plates (6) are provided with passage grooves (601) for aligning with the double-sided cutting blade (41).

6. The automatic fixed-length cutting device for metal pipes according to claim 5, characterized in that: The bidirectional drive motor (4) is equipped with two spray pipes (7) that spray coolant towards the double-sided cutting disc (41).

7. The automatic fixed-length cutting device for metal pipes according to claim 6, characterized in that: The double-sided cutting disc (41) is equipped with several rotating blades (42).

8. The automatic fixed-length cutting device for metal pipes according to claim 4, characterized in that: The bottom of the limiting baffle (5) is slidably connected to the worktable (2).

9. The automatic fixed-length cutting device for metal pipes according to claim 8, characterized in that: A geared motor (8) is installed on the front and rear sides of the limiting baffle (5); a turntable (81) is rotatably connected to the front and rear sides of the limiting baffle (5); the output shaft of the geared motor (8) is fixed to the turntable (81) on the same side; a grinding disc (82) for grinding the burrs at the end of the metal pipe is fixed on the turntable (81).

10. The automatic fixed-length cutting device for metal pipes according to claim 9, characterized in that: A fan (9) aligned with the grinding disc (82) on the same side is installed on the front and rear sides of the limiting baffle (5).

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