Pipe cutting and feeding device

Abstract

The invention relates to the technical field of pipe machining, and discloses a pipe cutting and feeding device which comprises a rack. A first feeding assembly is installed on one side of the rack, and a second feeding assembly is installed in the first feeding assembly in a transmission mode. The pipe is lifted through the first feeding assembly, so that the pipe slides to the second feeding assembly of the rack platform, the pipe is conveyed to the positioning assembly through the second feeding assembly, the pipe fitting overlapped on the surface of the second feeding assembly is flattened through the pressing mechanism, and the pipe fitting is flatly laid on the second feeding assembly; the material pressing mechanism presses downwards, the pressing rod lifts around the hinge point and presses materials, the overlapped pipe fittings are pressed to be flat, the pressing rod presses the pipe fittings overlapped on the upper portion, in the movement process of the second feeding assembly, the overlapped pipe fittings can be separated and flatly laid on the second feeding assembly to be conveyed, and therefore the flatly laid pipe fittings can be conveyed to the positioning assembly; and later processing of the pipe by the cutting device is facilitated.

Description

Technical Field

[0001] The invention relates to the technical field of pipe processing, in particular to a pipe cutting and feeding device. Background Art

[0002] Pipes are materials used to make pipe fittings. Pipes are commonly used materials in construction projects, water conservancy projects, municipal engineering and other fields. They are mainly used for conveying fluids, supporting structures, etc. With the development of automation technology, in the field of pipe processing, some automatic pipe cutting machines have appeared on the market, but these devices often only have cutting functions, so a feeding device is needed to feed the pipes.

[0003] Before the existing pipes are automatically cut, a feeding device is needed to feed the pipes. When the feeding device feeds the pipes, multiple pipes are transported at the same time, resulting in the pipes being stacked. The stacked transportation will cause the pipes to be arranged unevenly, and the cutting equipment may require more adjustment time to adapt to different pipe positions and angles, thereby further reducing the cutting efficiency of the cutting device for the pipes. In addition, when the pipes are stacked and transported, the degree of automation may be limited due to the different shapes, sizes and stacking methods of the pipes, which is not conducive to the subsequent processing of the pipes by the cutting device.

[0004] To this end, the present invention provides a pipe cutting and feeding device. Summary of the invention

[0005] In order to make up for the deficiencies of the prior art, at least one technical problem raised in the background technology is solved.

[0006] The present invention provides a pipe cutting and feeding device, comprising a frame; a first feeding assembly is installed on one side of the frame, the first feeding assembly is used to lift the pipe so that the pipe slides onto the frame platform, a second feeding assembly is installed in the internal transmission of the first feeding assembly, a pressing mechanism is installed above the frame close to the second feeding assembly, a positioning assembly is installed on the side of the second feeding assembly in the frame away from the first feeding assembly, the second feeding assembly is used to transfer the pipe to the positioning assembly, the pressing mechanism is used to flatten the pipe fittings overlapped on the surface of the second feeding assembly so that the pipe fittings are laid flat on the second feeding assembly, and the positioning assembly is used to position the pipe; The pressing mechanism includes a pressing rod, a spring and a pressing body. The pressing body is installed on the frame near the top of the second feeding assembly. The pressing rod is rotatably installed on the front side of the pressing body. A spring is installed between the top of the pressing rod near the hinge point and the pressing body. The pressing body is used to support the pressing rod. The pressing rod is connected to the pressing body through the spring, and the spring can help the pressing rod to reset.

[0007] Preferably, a groove is provided at the bottom of the pressure rod, which can block the overlapping pipes so that the pipes above are immobile.

[0008] By adopting the above technical solution, the pipe can be lifted by tensioning the first feeding assembly, and then the pipe can be transported to the positioning assembly by the second feeding assembly. During this transportation process, the overlapping pipes on the surface of the second feeding assembly can be flattened by the pressing mechanism, so that the flattened pipes can be transported to the positioning assembly, and finally the pipe can be positioned by the positioning assembly.

[0009] Preferably, the first feeding assembly includes a conveyor belt, a motor and a tensioning wheel. The motor is installed at the bottom of one side of the frame, the conveyor belt is wrapped around the outer side of the motor output end, the other end of the conveyor belt is lifted and fixed to the upper part of the frame, and a tensioning wheel is installed on the side of the frame close to the motor.

[0010] By adopting the above technical solution, a height difference is formed at both ends of the conveyor belt, so that the pipe can be loaded, which makes it convenient for the second loading component to transport the pipe later.

[0011] Preferably, the second loading assembly includes a primary conveying chain and a secondary conveying chain. The primary conveying chain is installed inside the frame near the tensioning wheel, the head end of the primary conveying chain is close to the tensioning wheel of the conveyor belt, and the secondary conveying chain is installed on one side of the frame near the primary conveying chain. The tail end of the primary conveying chain is parallel to the head end of the secondary conveying chain and has an overlapping section.

[0012] By adopting the above technical solution, the pipes can be transported and pressed down by the pressing mechanism to make the pipes flat on the second feeding assembly for transportation, thereby avoiding the stacking of pipes affecting the later feeding and conveying of the pipes by the device.

[0013] Preferably, position sensors are provided on one side of the frame close to the primary conveying chain and the secondary conveying chain, which are used to sense the pipe fittings and facilitate the primary conveying chain and the secondary conveying chain to convey the pipes.

[0014] By adopting the above technical solution, it is possible to sense whether there are pipes on the primary conveying chain and the secondary conveying chain, and start the primary conveying chain and the secondary conveying chain to convey the pipes.

[0015] Preferably, the positioning assembly includes a cylinder, a support and a limit member. A plurality of groups of cylinders are installed on the side of the second feeding assembly inside the frame away from the first feeding assembly. A support is installed horizontally at the movable end of the cylinder, and a limit member is installed vertically on the side of the support. Both the support and the limit member are made of round tubes. The support is placed horizontally and the limit member is placed vertically. The support is interspersed between adjacent secondary conveying chains.

[0016] Preferably, a manipulator is installed on the side of the pressing mechanism close to the positioning assembly, which is used to push the pipe.

[0017] By adopting the above technical solution, the transported pipe can be positioned. The support and limit members can be used to initially position the transported pipe, making it easier for the subsequent limit adjustment assembly to adjust the position of the pipe.

[0018] Preferably, a limit adjustment component is installed on one side of the frame close to the positioning component, which is used to perform limit adjustment on the pipe.

[0019] Preferably, the limit adjustment assembly includes a limit detection device, a limit plate and a pushing assembly, the limit plate is installed at one end of the frame close to the positioning assembly, the pushing assembly is installed at one end of the frame away from the limit plate, and the limit detection device is installed on the front of the pushing assembly.

[0020] By adopting the above technical solution, the limit detection device pushes the pipe toward the limit plate according to the set length after sensing, and reaches the limit position of the limit plate, so that the limit position of the pipe can be adjusted.

[0021] Preferably, the pushing assembly includes a pushing rod and a pushing plate, the pushing rod is installed at one end of the frame away from the limiting plate, and the pushing plate is installed at the movable end of the pushing rod.

[0022] By adopting the above technical solution, the pipe can be limited, so that it is convenient for the robot to clamp the pipe that has been loaded and positioned for loading and transportation.

[0023] The beneficial effects of the present invention are: The pipe cutting and feeding device described in the present invention is used in cooperation with a first feeding component, a second feeding component, a pressing mechanism and a positioning component. The first feeding component is used to lift the pipe so that the pipe slides onto the second feeding component of the frame platform, and the second feeding component is used to transport the pipe toward the positioning component, and the pressing mechanism flattens the overlapping pipe fittings on the surface of the second feeding component so that the pipe fittings are laid flat on the second feeding component. When the second feeding component transports the pipe, the pressing mechanism is pressed down, and the pressing rod is lifted and pressed around the hinge point to flatten the overlapping pipe fittings, and the pressing rod presses the pipe fittings overlapped on top so that the pipe fittings on top are immobile. During the movement of the second feeding component, the overlapping pipe fittings will be separated and laid flat on the second feeding component for transportation, so that the laid pipe can be transported to the positioning component, and the pipe is positioned by the positioning component, which is convenient for later positioning and feeding, and is further beneficial to the later cutting device for processing the pipe.

[0024] The pipe cutting and feeding device described in the present invention forms a height difference through the two ends of the conveyor belt through a conveyor belt, a motor and a tensioning wheel. By placing multiple groups of pipes on a first feeding assembly formed by multiple groups of conveyor belts, the motor works and the motor end drives the conveyor belt to be wound. The conveyor belt is tightened to lift the pipe, so that the pipe slides onto the frame platform for feeding, thereby facilitating the device to transport the pipe in the later stage. This method can feed multiple pipes at the same time, and is convenient for the device to better integrate and feed the pipes.

[0025] The pipe cutting and feeding device described in the present invention is used in combination with a cylinder, a support, a limit piece, a manipulator and a limit adjustment component. When the pipe is conveyed to the top of the support, the support is lifted by the working telescopic end of the cylinder, and the manipulator is started to push the pipe to abut the limit piece, so that one end of the pipe fits the limit piece. The support and the limit piece can play an initial positioning role for the transported pipe, and then the support is driven down by the work of the cylinder. After the limit detection device senses, the moving end of the push rod drives the push plate to move according to the set length. The push plate pushes the pipe toward one side of the limit plate to abut, which can limit the pipe and facilitate the manipulator to accurately transport and feed the positioned pipe in the later stage. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 is a front perspective view of an embodiment of the present invention; Figure 2 is a side perspective view of an embodiment of the present invention; Figure 3 is a schematic diagram of a top view of a partial structure of an embodiment of the present invention; Figure 4 It is a structural schematic diagram of the material pressing mechanism in the present invention; Figure 5 It is a structural schematic diagram of the positioning component in the present invention; Figure 6 It is a structural schematic diagram of the pushing component in the present invention.

[0027] Description of reference numerals: 1. Frame; 2. First feeding assembly; 201. Conveyor belt; 202. Motor; 203. Tensioning wheel; 3. Second feeding assembly; 301. Primary conveyor chain; 302. Secondary conveyor chain; 4. Position sensor; 5. Pressing mechanism; 501. Pressing rod; 5011. Groove; 502. Spring; 503. Pressing body; 6. Positioning assembly; 601. Cylinder; 602. Support member; 603. Limiting member; 7. Manipulator; 8. Limit adjustment assembly; 801. Limit detection device; 802. Limit plate; 803. Pushing assembly; 8031. Pushing rod; 8032. Pushing plate. DETAILED DESCRIPTION

[0028] The subject matter described herein will now be discussed with reference to example embodiments. It should be understood that the discussion of these embodiments is only to enable those skilled in the art to better understand and implement the subject matter described herein, and the functions and arrangements of the elements discussed may be changed without departing from the scope of protection of the contents of this specification. Each example may omit, replace or add various processes or components as needed. In addition, the features described relative to some examples may also be combined in other examples. Example

[0029] The following is a further detailed description of the technical solution of the present invention in conjunction with the accompanying drawings and specific embodiments. Figures 1 to 6 , the pipe cutting and feeding device provided in this application, please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 , including a frame 1; a first feeding assembly 2 is installed on one side of the frame 1, the first feeding assembly 2 is used to lift the pipe so that the pipe slides onto the frame 1 platform, a second feeding assembly 3 is installed on the internal transmission of the first feeding assembly 2, a pressing mechanism 5 is installed on the upper side of the frame 1 close to the second feeding assembly 3, a positioning assembly 6 is installed on the side of the second feeding assembly 3 in the frame 1 away from the first feeding assembly 2, the second feeding assembly 3 is used to transfer the pipe to the positioning assembly 6, the pressing mechanism 5 is used to flatten the overlapping pipe fittings on the surface of the second feeding assembly 3, so that the pipe fittings are laid flat on the second feeding assembly 3, and the positioning assembly 6 is used to position the pipe; The pressing mechanism 5 includes a pressing rod 501, a spring 502 and a pressing body 503. The pressing body 503 is installed above the frame 1 near the second feeding assembly 3. The pressing body 503 is used to support the pressing rod 501. The pressing rod 501 is rotatably installed on the front of the pressing body 503. A spring 502 is installed between the top of the pressing rod 501 near the hinge point and the pressing body 503. The pressing rod 501 is connected to the pressing body 503 through the spring 502, and the spring 502 can help the pressing rod 501 to reset.

[0030] Please refer to Figure 3 and Figure 4 A groove 5011 is provided at the bottom of the pressure rod 501 to block the overlapping pipes.

[0031] Specifically, multiple groups of pipes are placed on the first feeding component 2, the first feeding component 2 is tensioned to lift the pipes, and then the second feeding component 3 is used to transport the pipes toward the positioning component 6. During this transportation process, the overlapping pipes on the surface of the second feeding component 3 can be flattened by the pressing mechanism 5. When the second feeding component 3 transports the pipes, the pressing mechanism 5 is pressed down, and the pressing rod 501 is lifted and pressed around the hinge point to flatten the overlapping pipes. The pressing rod 501 presses the pipes overlapped on top, and the groove 5011 blocks the overlapping pipes so that the pipes on top do not move. When the second feeding component 3 is in motion, the overlapping pipes are separated and laid flat on the second feeding component 3 for transportation. When the pressing mechanism 5 is lifted, the end of the pressing rod 501 away from the hinge point will fall under its own gravity, so that the laid pipes can be transported to the positioning component 6. Finally, the positioning component 6 can be used to position the pipes.

[0032] Please refer to Figure 1 and Figure 2 The first feeding assembly 2 includes a conveyor belt 201, a motor 202 and a tensioning wheel 203. The motor 202 is installed at the bottom of one side of the frame 1, and the conveyor belt 201 is wrapped around the outer side of the output end of the motor 202. The other end of the conveyor belt 201 is lifted and fixed to the upper part of the frame 1, and the tensioning wheel 203 is installed on the side of the frame 1 close to the motor 202.

[0033] Specifically, in order to realize the loading of pipes and facilitate the transportation of pipes by the device in the later stage, one end of the conveyor belt 201 is lifted and fixed on the upper part of the frame 1, and the other end is fixed on the lower part of the frame 1 and wound on the motor 202. A height difference is formed at the two ends of the conveyor belt 201. A tensioning wheel 203 is set at the position of the frame 1 platform corresponding to the conveyor belt 201. The conveyor belt 201 is tensioned by the tensioning wheel 203, and the middle part of the conveyor belt 201 is relaxed. By placing multiple groups of pipes on the first loading component 2 formed by multiple groups of conveyor belts 201, the motor 202 works, and the motor 202 end drives the conveyor belt 201 to be wound. The tightening of the conveyor belt 201 can lift the pipe, so that the pipe slides onto the platform of the frame 1 for loading, thereby facilitating the transportation of the pipe in the later stage of the device.

[0034] Please refer to Figure 3The second loading assembly 3 includes a primary conveying chain 301 and a secondary conveying chain 302. The primary conveying chain 301 is installed inside the frame 1 near the tensioning wheel 203. The head end of the primary conveying chain 301 is close to the tensioning wheel 203 of the conveyor belt 201. The secondary conveying chain 302 is installed on one side of the frame 1 near the primary conveying chain 301. The tail end of the primary conveying chain 301 is parallel to the head end of the secondary conveying chain 302 and has an overlapping section. The primary conveying chain 301 and the secondary conveying chain 302 are connected to each other. The conveying chains 302 are all existing structures. The first-level conveying chain 301 and the second-level conveying chain 302 are both composed of a motor assembly, a transmission gear plate and a transmission chain. The driving end of the motor assembly drives the transmission gear plate to rotate, and the transmission gear plate and the transmission chain are transmitted, which can cause the transmission chain to move and transport the pipes on its outside. The first-level conveying chain 301 is inclined and the second-level conveying chain 302 is horizontally arranged. The lowest end of the first-level conveying chain 301 is located at the head end of the second-level conveying chain 302.

[0035] Please refer to Figure 3 A position sensor 4 is provided on one side of the frame 1 close to the primary conveying chain 301 and the secondary conveying chain 302 for sensing the pipe and playing a role in the primary conveying chain 301 and the secondary conveying chain 302 conveying the pipe.

[0036] Specifically, in order to realize the transportation of pipes, multiple groups of corresponding primary conveying chains 301 and secondary conveying chains 302 are arranged on the platform of the frame 1 to form a second loading component 3, the head end of the primary conveying chain 301 is close to the tensioning wheel 203 of the conveyor belt 201, the tail end of the primary conveying chain 301 is parallel to the head end of the secondary conveying chain 302 and has an overlapping section, the primary conveying chain 301 is started to transport the pipes above to the secondary conveying chain 302, and the secondary conveying chain 302 transports the pipes toward the positioning component 6, and position sensors 4 are arranged on one side of the primary conveying chain 301 and the secondary conveying chain 302, and the position sensors 4 can be used to sense whether there are pipes on the primary conveying chain 301 and the secondary conveying chain 302, and the primary conveying chain 301 and the secondary conveying chain 302 are started to transport the pipes, and when the pipes are sensed on the secondary conveying chain 302, the pressing mechanism 5 above the secondary conveying chain 302 is pressed down to prevent overlapping transportation of the pipes.

[0037] Please refer to Figure 5 The positioning assembly 6 includes a cylinder 601, a support member 602 and a limit member 603. Multiple groups of cylinders 601 are installed on the side of the second feeding assembly 3 inside the frame 1 away from the first feeding assembly 2. The moving end of the cylinder 601 is horizontally installed with a support member 602, and the side of the support member 602 is vertically installed with a limit member 603.

[0038] Please refer to Figure 1 and Figure 2 A manipulator 7 is installed on the side of the pressing mechanism 5 close to the positioning component 6, which is used to push the pipe fitting.

[0039] Specifically, in order to achieve the positioning effect on the transported pipes, the support member 602 and the limit member 603 are both made of round tubes. The support member 602 is placed horizontally and the limit member 603 is placed vertically. The support member 602 is inserted between adjacent secondary conveying chains 302. When the pipe is conveyed above the support member 602, the support member 602 is lifted by the working telescopic end of the cylinder 601, and the manipulator 7 is started to push the pipe to abut against the limit member 603, so that one end of the pipe is in contact with the limit member 603. The support member 602 and the limit member 603 can play the role of initial positioning of the transported pipe.

[0040] Please refer to Figure 1 A limit adjustment component 8 is installed on one side of the frame 1 close to the positioning component 6, which is used to adjust the limit position of the pipe.

[0041] Please refer to Figure 3 and Figure 6 The limit adjustment component 8 includes a limit detection device 801, a limit plate 802 and a pushing component 803. The limit plate 802 is installed at one end of the frame 1 close to the positioning component 6, and the pushing component 803 is installed at one end of the frame 1 away from the limit plate 802. The limit detection device 801 is installed on the front of the pushing component 803. The limit detection device 801 is a position sensor. After sensing, the limit detection device 801 pushes the pipe toward the limit plate 802 according to the set length, and reaches the limit plate 802 to limit the position.

[0042] Please refer to Figure 6 The pushing assembly 803 includes a pushing rod 8031 ​​and a pushing plate 8032 . The pushing rod 8031 ​​is installed at one end of the frame 1 away from the limiting plate 802 , and the pushing plate 8032 is installed at the moving end of the pushing rod 8031 ​​.

[0043] Specifically, in order to limit the position of the pipe, a limit detection device 801 is set at one end of the positioning component 6, and a limit plate 802 is set at the other end. A pushing component 803 is set at the limit detection device 801, and the support member 602 is driven down by the operation of the cylinder 601. After sensing, the limit detection device 801 makes the push rod 8031 ​​work according to the set length, and its moving end drives the push plate 8032 to move. The push plate 8032 pushes the pipe toward the side of the limit plate 802 to abut against it, so as to limit the position of the pipe. Then, the cylinder 601 works to drive the support member 602 to rise, and the robot 7 clamps the pipe that has been loaded and positioned for loading and transportation.

[0044] Working principle: A height difference is formed at both ends of the conveyor belt 201, and a tensioning wheel 203 is set at the position of the frame 1 platform corresponding to the conveyor belt 201. The conveyor belt 201 is tensioned by the tensioning wheel 203, and the middle part of the conveyor belt 201 is relaxed. By placing multiple groups of pipes on the first loading assembly 2 formed by multiple groups of conveyor belts 201, the motor 202 works, and the motor 202 end drives the conveyor belt 201 to reel up. The tightening of the conveyor belt 201 can lift the pipe, so that the pipe slides to the primary conveyor chain 301 on the frame 1 platform, and the head end of the primary conveyor chain 301 is close to the tensioning wheel 2 of the conveyor belt 201. At 03, the tail end of the primary conveyor chain 301 is parallel to the head end of the secondary conveyor chain 302 and has an overlapping section. At this time, the position sensor 4 can sense whether there are pipes on the primary conveyor chain 301 and the secondary conveyor chain 302, and start the primary conveyor chain 301 to transport the pipes on it to the secondary conveyor chain 302. The secondary conveyor chain 302 transports the pipes toward the positioning component 6. When the pipes are sensed on the secondary conveyor chain 302, the pressing mechanism 5 above the secondary conveyor chain 302 presses down, and the pressing rod 501 is lifted and pressed around the hinge point to flatten the overlapping pipes. The pressure rod 501 presses the overlapping pipes on top, and the groove 5011 blocks the overlapping pipes, so that the pipes on top do not move. When the second feeding assembly 3 is in motion, the overlapping pipes will separate and be laid flat on the second feeding assembly 3 for transportation. When the pressing mechanism 5 is lifted, the end of the pressure rod 501 away from the hinge point will fall under its own gravity, so that the laid pipes can be transported to the top of the support 602. When the pipe is transported to the top of the support 602, the support 602 is lifted by the working telescopic end of the cylinder 601, and the manipulator 7 is started to push the pipe to abut against the limiter 603, so that the pipe One end of the material fits into the limit piece 603, and the support piece 602 and the limit piece 603 can play the role of initial positioning of the transported pipe, and then the cylinder 601 works to drive the support piece 602 to descend, and the limit detection device 801 senses and makes the push rod 8031 ​​work according to the set length, and its moving end drives the push plate 8032 to move, and the push plate 8032 pushes the pipe toward the side of the limit plate 802 to abut, which can limit the pipe, and then the cylinder 601 works to drive the support piece 602 to rise, and the robot 7 clamps the pipe that has been loaded and positioned for loading and transportation.

[0045] An example of the present specific implementation mode is described above, but the present embodiment is not limited to the above-mentioned specific implementation mode, which is merely illustrative and not restrictive. A person skilled in the art may make many forms inspired by the present embodiment, all of which are protected by the present embodiment.

Claims

1. A pipe cutting and feeding device, comprising a frame (1); characterized in that: A first loading assembly (2) is installed on one side of the frame (1), the first loading assembly (2) is used to lift the pipe so that the pipe slides onto the frame (1) platform, a second loading assembly (3) is installed in the internal transmission of the first loading assembly (2), a pressing mechanism (5) is installed on the upper side of the frame (1) close to the second loading assembly (3), a positioning assembly (6) is installed on the side of the second loading assembly (3) in the frame (1) away from the first loading assembly (2), the second loading assembly (3) is used to convey the pipe toward the positioning assembly (6), the pressing mechanism (5) is used to flatten the pipe fittings overlapped on the surface of the second loading assembly (3) so that the pipe fittings are laid flat on the second loading assembly (3), and the positioning assembly (6) is used to position the pipe; The pressing mechanism (5) comprises a pressing rod (501), a spring (502) and a pressing body (503); the pressing body (503) is installed on the frame (1) above the second feeding assembly (3); the pressing rod (501) is rotatably installed on the front of the pressing body (503); and the spring (502) is installed between the top of the pressing rod (501) near the hinge point and the pressing body (503).

2. The pipe cutting and feeding device according to claim 1, characterized in that: The bottom of the pressure rod (501) is provided with a groove (5011).

3. The pipe cutting and feeding device according to claim 1, characterized in that: The first loading assembly (2) comprises a conveyor belt (201), a motor (202) and a tension wheel (203); the motor (202) is installed at the bottom of one side of the frame (1); the conveyor belt (201) is installed around the outer side of the output end of the motor (202); the other end of the conveyor belt (201) is lifted and fixed to the upper part of the frame (1); and the tension wheel (203) is installed on the side of the frame (1) close to the motor (202).

4. The pipe cutting and feeding device according to claim 1, characterized in that: The second loading assembly (3) comprises a primary conveying chain (301) and a secondary conveying chain (302); the primary conveying chain (301) is installed inside the frame (1) near the tensioning wheel (203); the head end of the primary conveying chain (301) is close to the tensioning wheel (203) of the conveyor belt (201); the secondary conveying chain (302) is installed on one side of the frame (1) near the primary conveying chain (301); the tail end of the primary conveying chain (301) is parallel to the head end of the secondary conveying chain (302) and has an overlapping section.

5. The pipe cutting and feeding device according to claim 4, characterized in that: Position sensors (4) are provided on one side of the frame (1) close to the primary conveying chain (301) and the secondary conveying chain (302), for sensing the pipes and for enabling the primary conveying chain (301) and the secondary conveying chain (302) to convey the pipes.

6. The pipe cutting and feeding device according to claim 1, characterized in that: The positioning assembly (6) comprises a cylinder (601), a support member (602) and a limit member (603); a plurality of groups of cylinders (601) are installed on a side of the second feeding assembly (3) inside the frame (1) away from the first feeding assembly (2); a support member (602) is installed horizontally at the movable end of the cylinder (601); and a limit member (603) is installed vertically on the side of the support member (602).

7. The pipe cutting and feeding device according to claim 1, characterized in that: A manipulator (7) is installed on the side of the pressing mechanism (5) close to the positioning assembly (6) and is used to push the pipe.

8. The pipe cutting and feeding device according to claim 1, characterized in that: A limit adjustment component (8) is installed on one side of the frame (1) close to the positioning component (6), and is used to perform limit adjustment on the pipe.

9. The pipe cutting and feeding device according to claim 8, characterized in that: The limit adjustment component (8) comprises a limit detection device (801), a limit plate (802) and a pushing component (803); the limit plate (802) is installed at one end of the frame (1) close to the positioning component (6); the pushing component (803) is installed at one end of the frame (1) away from the limit plate (802); and the limit detection device (801) is installed on the front side of the pushing component (803).

10. The pipe cutting and feeding device according to claim 9, characterized in that: The pushing assembly (803) comprises a pushing rod (8031) and a pushing plate (8032); the pushing rod (8031) is installed at one end of the frame (1) away from the limiting plate (802); and the pushing plate (8032) is installed at the movable end of the pushing rod (8031).

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