Portable steel pipe segmenting device

Abstract

The application relates to the field of pipe processing, in particular to a portable steel pipe segmenting device, which comprises a material preparation frame used for stacking long steel pipes, a feeding roller way used for conveying the long steel pipes, a segmenting assembly used for pushing and segmenting the long steel pipes into short steel pipes, a discharging roller way used for discharging the short steel pipes, and a stacking frame used for stacking the short steel pipes; the segmenting assembly comprises a bearing body, a fixed seat arranged on the bearing body in a fixed mode, and a sliding seat arranged on the bearing body in a sliding mode; the long steel pipe passes through the fixed seat and the sliding seat; a driving piece is arranged on the bearing body and used for pushing the sliding seat to abut the long steel pipe against the fixed seat; a pushing and segmenting block is slidably arranged on the fixed seat; a hydraulic cylinder electrically connected to a control system is arranged on the bearing body; and a piston rod of the hydraulic cylinder is directed to the long steel pipe and connected to the pushing and segmenting block. The application has the effect of not needing to regularly saw pieces.

Description

Technical Field

[0001] This application relates to the field of pipe processing, and in particular to a convenient steel pipe cutting device. Background Technology

[0002] Steel pipe processing refers to a series of technological processes performed on steel pipes to achieve the desired shape, size, and properties. These processes may include cutting, bending, welding, grinding, heat treatment, etc.

[0003] Steel pipes are usually quite long after processing, so manufacturers will use a circular saw to cut them into multiple short steel pipes according to their actual use.

[0004] However, after prolonged use, the saw blades of a circular saw will experience significant wear and tear, requiring regular replacement. Replacing large-sized saw blades is often inconvenient and has obvious drawbacks. Summary of the Invention

[0005] To address the issue of the need for regular saw blade replacement, this application provides a convenient steel pipe cutting device.

[0006] The present application provides a convenient steel pipe segmentation device using the following technical solution: A convenient steel pipe cutting device includes a material preparation rack for stacking long steel pipes, a feeding roller conveyor for conveying the long steel pipes, a cutting assembly for cutting the long steel pipes into multiple short steel pipe segments, a discharge roller conveyor for sending out the short steel pipes, and a stacking rack for stacking the short steel pipes. The cutting assembly includes a support body, a fixed seat fixedly arranged on the support body, and a sliding seat slidably arranged on the support body. The long steel pipe passes through the fixed seat and the sliding seat. A driving component is arranged on the support body for pushing the sliding seat to press the long steel pipe against the fixed seat. A cutting block is slidably disposed on the fixed seat. A hydraulic cylinder electrically connected to a control system is arranged on the support body. The piston rod of the hydraulic cylinder points towards the long steel pipe and is connected to the cutting block.

[0007] By adopting the above technical solution, the long steel pipe rolls from the preparation rack onto the feeding roller conveyor. The feeding roller conveyor pushes the long steel pipe between the fixed seat and the sliding seat. Then, under the action of the driving component, the sliding seat presses the long steel pipe against the fixed seat. Next, the control system controls the piston rod of the hydraulic cylinder to extend, using this pushing and cutting block to push the long steel pipe. The resulting short steel pipe is transported to the stacking rack by the discharge roller conveyor. In this application, the pushing and cutting block is made of a metal with high strength and hardness, and it hardly deforms or wears during the pushing and cutting process of the long steel pipe. Even if there is a small amount of deformation, it can be repaired, thus eliminating the need for periodic replacement and saving costs.

[0008] Optionally, a first support frame is mounted above the discharge roller conveyor. The first support frame is equipped with a first motor electrically connected to the control system and a first lead screw coaxially connected to the output shaft of the first motor. A sliding block is threaded onto the first lead screw. The sliding block slides on the first support frame and is used for the end of the long steel pipe to abut against it.

[0009] By adopting the above technical solution, the control system starts the first motor, the output shaft of the first motor drives the first lead screw to rotate, and the sliding block slides on the first support frame to a set position under the action of the first lead screw. In this way, the estimated length of the long steel pipe is adjusted by the contact action between the long steel pipe and the sliding block.

[0010] Optionally, a second support frame is installed at the tail end of the discharge roller conveyor, directly above the stacking frame. Two parallel hanging rods are arranged on the second support frame, and a guide plate is attached to each hanging rod by a hanging rope. The two guide plates are fitted together in a V shape. A second motor electrically connected to the control system is also arranged on the second support frame. The output shaft of the second motor is coaxially connected to a second lead screw. Two reciprocating blocks are threaded onto the second lead screw, and each reciprocating block corresponds to a guide plate and is rotatably connected to it.

[0011] By adopting the above technical solution, the short steel pipes falling from the tail end of the discharge roller conveyor roll onto two guide plates, and then fall between the bottom ends of the two guide plates onto the stacking rack. The control system starts the second motor, and the output shaft of the second motor drives the second lead screw to rotate. Under the action of the second lead screw, the reciprocating block drives the corresponding guide plate to move, thereby adjusting the falling and stacking position of the short steel pipes relative to the stacking rack, which is beneficial to improving the stacking effect of the short steel pipes on the stacking rack.

[0012] Optionally, the stacking rack includes a base plate placed horizontally on the ground, with multiple casters arranged at the bottom of the base plate. Two sets of stacking components are symmetrically arranged on the base plate about its vertical center line. The stacking components include multiple sets of unit stacking sections arranged at intervals along the direction away from the vertical center line of the base plate, and multiple short steel pipes are stacked longitudinally between two adjacent sets of unit stacking sections.

[0013] By adopting the above technical solution, multiple units of the stacking section cooperate to achieve zoned stacking of short steel pipes, which helps to improve the neatness of the stacking of short steel pipes and enhance the space utilization rate of the stacking rack.

[0014] Optionally, the unit stacking section includes two vertically arranged support rods along the length of the discharge roller conveyor, and a bottom sleeve arranged on the base plate corresponding to each support rod. The bottom end of the support rod is inserted into and rotatably engaged with the bottom sleeve, and the top end of each support rod is hinged with a support foot for supporting the ground.

[0015] By adopting the above technical solution, after the stacking rack is dragged to the warehouse, the worker manually pulls the bottom end of the support rod out of the bottom sleeve and rotates it to the horizontal, and rotates the support legs to support it on the ground. After that, the worker can move the short steel pipes laid flat on the support rod down and stack them back into the warehouse, which facilitates the stacking and unloading of short steel pipes in other locations.

[0016] Optionally, a limit stop is provided on the support leg furthest from the vertical center line of the base plate. When the support leg is supported on the ground, the corresponding limit stop is in a vertical state.

[0017] By adopting the above technical solution, the limiting stop bar can limit the short steel pipes laid flat on each support rod, reducing the possibility of the short steel pipes rolling on the support rod and falling to the ground.

[0018] Optionally, a reinforcing mesh can be arranged between two struts in the same group.

[0019] By adopting the above technical solution, the reinforcing mesh enables the two struts in the same group to maintain synchronization in real time as they rotate to the horizontal position, reducing the possibility that the steel pipe may tilt and accidentally slip to the ground due to uneven rotation speed between the two struts.

[0020] Optionally, a reversing slot is provided on the support rod near the support foot, and a guide groove is provided on the side of the support rod facing the vertical center line of the base plate. The guide groove extends from the reversing slot to the side of the support rod facing away from the vertical center line of the base plate. An elastic rope is attached between the two ends of the guide groove. Multiple lifting beads are arranged at intervals along the length of the elastic rope. The spacing between two adjacent lifting beads gradually decreases along the direction from the support rod facing towards the side facing away from the vertical center line of the base plate. When the lifting beads are located on the side of the support rod facing towards the vertical center line of the base plate, the lifting beads extend outside the guide groove. When the lifting beads are located on the side of the support rod facing away from the vertical center line of the base plate, the lifting beads are completely located within the guide groove.

[0021] By adopting the above technical solution, when the short steel pipe falls between two adjacent stacking units, it pushes the corresponding lifting ball downwards. The friction between the lifting ball and the guide chute acts as a buffer, and the elastic rope is stretched, further slowing down the fall of the short steel pipe. During the falling and stacking process of each short steel pipe, a lifting ball is pulled from the side of the support rod facing away from the vertical center line of the base plate to the side facing the vertical center line of the base plate, so that each short steel pipe has a corresponding lifting ball to buffer and slow down its fall.

[0022] In summary, this application includes at least one of the following beneficial technical effects: 1. A long steel pipe rolls from the preparation rack onto the feeding roller conveyor. The feeding roller conveyor pushes the long steel pipe between a fixed seat and a sliding seat. Then, under the action of the driving component, the sliding seat presses the long steel pipe against the fixed seat. Next, the control system controls the piston rod of the hydraulic cylinder to extend, thereby pushing the long steel pipe with a cutting block. The resulting short steel pipe is transported to the stacking rack by the discharge roller conveyor. In this application, the cutting block is made of a metal with high strength and hardness, and it hardly deforms or wears during the pushing and cutting process of the long steel pipe. Even if there is a small amount of deformation, it can be repaired, thus eliminating the need for periodic replacement and saving costs. 2. The control system starts the first motor, and the output shaft of the first motor drives the first lead screw to rotate. Under the action of the first lead screw, the sliding block slides on the first support frame to the set position, thereby adjusting the estimated length of the long steel pipe through the contact action between the long steel pipe and the sliding block. 3. The short steel pipes falling from the end of the discharge roller conveyor roll onto two guide plates, and then fall between the bottom ends of the two guide plates onto the stacking rack. The control system starts the second motor, and the output shaft of the second motor drives the second lead screw to rotate. Under the action of the second lead screw, the reciprocating block drives the corresponding guide plate to move, thereby adjusting the falling and stacking position of the short steel pipes relative to the stacking rack, which helps to improve the stacking effect of the short steel pipes on the stacking rack. 4. After the stacking rack is dragged to the warehouse, the worker manually pulls the bottom end of the support rod out of the bottom sleeve and rotates it to the horizontal, and rotates the support legs to support it on the ground. After that, the worker can move the short steel pipes laid flat on the support rod down and stack them back into the warehouse, which facilitates the stacking and unloading of short steel pipes in other locations. 5. When the short steel pipe falls between two adjacent stacking units, it pushes the corresponding lifting ball downwards. The friction between the lifting ball and the guide chute acts as a buffer, and the elastic rope is stretched, further slowing down the fall of the short steel pipe. During the falling and stacking process of each short steel pipe, a lifting ball is pulled from the side of the support rod facing away from the vertical center line of the base plate to the side facing the vertical center line of the base plate, so that each short steel pipe has a corresponding lifting ball to buffer and slow down its fall. Attached Figure Description

[0023] Figure 1 This is a structural schematic diagram of an embodiment of this application.

[0024] Figure 2 This is a schematic diagram showing the positional relationship between the second support frame, the guide plate, and the second motor in an embodiment of this application.

[0025] Figure 3 This is a cross-sectional view showing the positional relationship between the struts, legs, and base plate in an embodiment of this application.

[0026] Figure 4This is a cross-sectional view of the stacker in the unloading state in an embodiment of this application.

[0027] Explanation of reference numerals in the attached drawings: 1. Material preparation rack; 2. Feeding roller conveyor; 31. Bearing body; 32. Fixed seat; 33. Sliding seat; 34. Push-cutting block; 35. Hydraulic cylinder; 4. Discharge roller conveyor; 5. Stacking rack; 51. Base plate; 52. Casters; 53. Support rod; 531. Reversing slot; 532. Guide chute; 54. Base sleeve; 55. Support foot; 56. Elastic pull rope; 57. Lifting ball; 61. First bearing frame; 62. First motor; 63. First lead screw; 64. Sliding block; 71. Second bearing frame; 72. Hanging rod; 73. Guide plate; 74. Second motor; 75. Second lead screw; 76. Reciprocating block; 8. Limit stop bar; 9. Hanging pull rope. Detailed Implementation

[0028] The following is in conjunction with the appendix Figure 1-4 This application will be described in further detail.

[0029] This application discloses a convenient steel pipe cutting device.

[0030] Reference Figure 1 The portable steel pipe cutting device includes a material preparation rack 1 for stacking long steel pipes, a feeding roller conveyor 2 for conveying long steel pipes, a cutting assembly for cutting long steel pipes into multiple short steel pipes, a discharge roller conveyor 4 for sending out short steel pipes, and a stacking rack 5 for stacking short steel pipes.

[0031] Reference Figure 1 and Figure 2 The segmentation assembly includes a support body 31, a fixed seat 32 fixedly arranged on the support body 31, a sliding seat 33 slidably arranged on the support body, and a long steel pipe passing through the fixed seat 32 and the sliding seat 33.

[0032] A drive component is bolted to the bearing body 31 to push the sliding seat 33 to press the long steel pipe against the fixed seat 32. The drive component adopts the hydraulic cylinder or the like in the prior art. The fixed seat 32 and the sliding seat 33 cooperate to clamp and fix the long steel pipe.

[0033] Reference Figure 1 and Figure 2 A cutting block 34 is slidably mounted on the fixed base 32. The cutting block 34 is made of a metal with high strength and hardness in the prior art. A hydraulic cylinder 35, which is electrically connected to the control system, is bolted to the bearing body 31. The piston rod of the hydraulic cylinder 35 points to the long steel pipe and is threaded to the cutting block 34.

[0034] Reference Figure 1 and Figure 2The long steel pipe on the preparation rack 1 rolls into the feeding roller conveyor 2. The feeding roller conveyor 2 feeds the end of the long steel pipe into the space between the fixed seat 32 and the sliding seat 33. Then, the driving component drives the sliding seat 33 to press the long steel pipe against the fixed seat 32. After that, the piston rod of the hydraulic cylinder 35 extends, causing the pushing and cutting block 34 to push the long steel pipe. The short steel pipe formed by pushing and cutting is conveyed by the discharge roller conveyor 4 to the stacking rack 5.

[0035] Reference Figure 1 and Figure 2 The discharge roller conveyor 4 is fixedly mounted with a first support frame 61, and a first motor 62 electrically connected to the control system is bolted to the first support frame 61. The first motor 62 adopts the forward and reverse servo motor in the prior art.

[0036] The output shaft of the first motor 62 is coaxially arranged with a first lead screw 63, and a sliding block 64 is threadedly connected to the first lead screw 63. The sliding block 64 slides on the first support frame 61 and is used to provide abutment for the end of the long steel pipe.

[0037] Reference Figure 1 and Figure 2 The control system starts the first motor 62, and the output shaft of the first motor 62 drives the first lead screw 63 to rotate. The sliding block 64 slides along its length direction under the action of the thread on the first lead screw 63, thereby adjusting the distance between the sliding block 64 and the bearing body 31.

[0038] When the feeding roller conveyor 2 pushes the long steel pipe, the end of the long steel pipe abuts against the sliding block 64, thereby adjusting the length of the long steel pipe into multiple short steel pipes, which is suitable for the production of short steel pipes of different lengths.

[0039] Reference Figure 1 and Figure 2 A second support frame 71 is fixedly mounted at the tail end of the discharge roller conveyor 4, directly above the stacking rack 5. Two hanging rods 72, both parallel to the length of the discharge roller conveyor 4, are fixedly mounted on the second support frame 71. Each hanging rod 72 is connected to a guide plate 73 by multiple hanging ropes 9. The two guide plates 73 are arranged in a V-shape.

[0040] The second support frame 71 is also bolted with a second motor 74 that is electrically connected to the control system. The second motor 74 adopts a forward and reverse servo motor in the prior art. The output shaft of the second motor 74 is coaxially arranged with a second lead screw 75 that is perpendicular to the discharge roller conveyor 4. Two reciprocating blocks 76 are threadedly connected to the second lead screw 75. Each reciprocating block 76 corresponds to a guide plate 73 and is rotatably connected to it.

[0041] Reference Figure 1 and Figure 2 The short steel pipes fall from the tail end of the discharge roller conveyor 4 onto the guide plate 73, and then fall between the bottoms of the two guide plates 73 and accumulate on the stacking rack 5.

[0042] The control system starts the second motor 74, and the output shaft of the second motor 74 drives the second lead screw 75 to rotate. The reciprocating block 76 moves under the action of the thread on the second lead screw 75, thereby changing the tilt angle of the guide plate 73, thereby adjusting the drop and stacking position of the short steel pipe relative to the stacking rack 5, and thus improving the stacking effect of the short steel pipe on the stacking rack 5.

[0043] Reference Figure 3 and Figure 4 The stacking rack 5 includes a horizontal base plate 51, and four casters 52 are arranged at the bottom of the base plate 51. Two sets of stacking components are arranged on the base plate 51, and the two sets of stacking components are symmetrically distributed about the vertical center line of the base plate 51.

[0044] The stacking assembly includes multiple unit stacking sections, which are arranged at equal intervals along the vertical center line away from the base plate 51. Multiple short steel pipes are longitudinally stacked between two adjacent unit stacking sections.

[0045] Reference Figure 3 and Figure 4 The unit stacking section includes two vertical support rods 53 arranged along the length of the discharge roller conveyor 4, and a bottom sleeve 54 bolted to the base plate 51 and corresponding to each support rod 53. The bottom end of the support rod 53 is inserted into the bottom sleeve 54 and rotates. The top end of each support rod 53 is hinged with a support foot 55 for supporting on the ground.

[0046] Reference Figure 3 and Figure 4 After the workers pushed and pulled the stacking rack 5 full of short steel pipes into the warehouse, they manually pulled the bottom end of the support rod 53 out of the bottom sleeve 54, starting from the outermost unit stacking section. Then they rotated the support rod 53 to flatten it, and at the same time rotated the support foot 55 to support it on the ground.

[0047] As the strut 53 is laid flat, the short steel pipes it restrains will also move. When the strut 53 is laid flat, the corresponding short steel pipes will be laid flat on the strut 53, which makes it easier for multiple workers to stack and unload the short steel pipes together, thereby improving the stacking and unloading efficiency.

[0048] Reference Figure 3 and Figure 4 A reinforcing mesh (not shown in the figure) is welded between the two support rods 53 in the same group. The reinforcing mesh is made of high-strength metal, which allows the two support rods 53 in the same group to rotate synchronously during the process of the support rods 53 being laid flat. This reduces the possibility that the short steel pipe may tilt and accidentally slip off the support rods 53 due to the different rotation speeds of the two support rods 53.

[0049] Reference Figure 3 and Figure 4A limit stop bar 8 is welded to the support leg 55 furthest from the vertical center line of the base plate 51. When the support leg 55 is supported on the ground, the corresponding limit stop bar 8 is in a vertical state. The limit stop bar 8 can limit the short steel pipes on each support rod 53, reducing the possibility of the short steel pipes rolling off the support leg 55 to the ground.

[0050] Reference Figure 3 and Figure 4 A reversing slot 531 is provided on the support rod 53 near the support foot 55. A guide groove 532 is provided on the side of the support rod 53 facing the vertical center line of the base plate 51. The guide groove 532 goes around the reversing slot 531 to the side of the support rod 53 facing away from the vertical center line of the base plate 51.

[0051] Reference Figure 3 and Figure 4 An elastic pull rope 56 is attached between the two ends of the guide slide 532. Multiple lifting beads 57 are arranged at intervals along the length of the elastic pull rope 56. The distance between two adjacent lifting beads 57 gradually decreases along the direction of the support rod 53 toward the side facing away from the vertical center line of the bottom plate 51.

[0052] When the lifting ball 57 is located on the side of the support rod 53 facing the vertical center line of the base plate 51, the lifting ball 57 extends outside the guide groove 532; when the lifting ball 57 is located on the side of the support rod 53 away from the vertical center line of the base plate 51, the lifting ball 57 is completely located inside the guide groove 532.

[0053] When the short steel pipe falls between two adjacent stacking units, it pushes the corresponding lifting ball 57 downward. The friction between the lifting ball 57 and the guide groove 532 acts as a buffer, and the elastic rope 56 is stretched, further slowing down the fall of the short steel pipe.

[0054] During the process of each short steel pipe falling and stacking, a lifting ball 57 will be pulled from the side of the support rod 53 away from the vertical center line of the base plate 51 to the side facing the vertical center line of the base plate 51, so that each short steel pipe has a corresponding lifting ball 57 to buffer and decelerate it during the falling process.

[0055] The implementation principle of a convenient steel pipe cutting device according to an embodiment of this application is as follows: The long steel pipe on the preparation rack 1 rolls into the feeding roller conveyor 2. The feeding roller conveyor 2 feeds the end of the long steel pipe into the space between the fixed seat 32 and the sliding seat 33. Then, the driving component drives the sliding seat 33 to press the long steel pipe against the fixed seat 32. After that, the piston rod of the hydraulic cylinder 35 extends, causing the cutting block 34 to push the long steel pipe.

[0056] The short steel pipes formed by the push-cutting process fall onto the discharge roller conveyor 4. The short steel pipes fall from the tail end of the discharge roller conveyor 4 onto the guide plate 73, and then fall between the bottoms of the two guide plates 73 and accumulate on the stacking rack 5.

[0057] The control system starts the second motor 74, and the output shaft of the second motor 74 drives the second lead screw 75 to rotate. The reciprocating block 76 moves under the action of the thread on the second lead screw 75, thereby changing the tilt angle of the guide plate 73 and adjusting the falling and stacking position of the short steel pipe relative to the stacking rack 5.

[0058] When the short steel pipe falls between two adjacent stacking units, it pushes the corresponding lifting ball 57 downward. The friction between the lifting ball 57 and the guide groove 532 acts as a buffer, and the elastic rope 56 is stretched, further slowing down the fall of the short steel pipe.

[0059] After the stacking rack 5 is pushed or pulled into the warehouse, manually pull the bottom end of the support rod 53 out of the bottom sleeve 54, then rotate the support rod 53 to flatten it, and at the same time rotate the support leg 55 to support it on the ground.

[0060] As the strut 53 is laid flat, the short steel pipes it constrains will also move. When the strut 53 is laid flat, the corresponding short steel pipes will be laid flat on the strut 53, which makes it convenient to stack and store the short steel pipes in other locations.

[0061] During the unloading process, the deformation force of the elastic rope 56 will push multiple short steel pipes laid flat on the support rod 53 toward the workers, thereby facilitating the workers to quickly pick up the short steel pipes on the support rod 53 and improving the stacking and unloading efficiency.

[0062] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A convenient steel pipe cutting device, comprising a preparation rack (1) for stacking long steel pipes, a feeding roller conveyor (2) for conveying the long steel pipes, a cutting assembly for cutting the long steel pipes into multiple short steel pipe segments, a discharge roller conveyor (4) for discharging the short steel pipes, and a stacking rack (5) for stacking the short steel pipes, characterized in that: The cutting assembly includes a support body (31), a fixed seat (32) fixedly arranged on the support body (31), and a sliding seat (33) slidably arranged on the support body (31). A long steel pipe passes through the fixed seat (32) and the sliding seat (33). The support body (31) is provided with a driving member for pushing the sliding seat (33) to press the long steel pipe against the fixed seat (32). A cutting block (34) is slidably arranged on the fixed seat (32). A hydraulic cylinder (35) electrically connected to the control system is arranged on the support body (31). The piston rod of the hydraulic cylinder (35) points towards the long steel pipe and is connected to... Adjoining the cutting block (34), the stacking rack (5) includes a base plate (51) placed horizontally on the ground. Multiple casters (52) are arranged at the bottom of the base plate (51). Two sets of stacking components are symmetrically arranged on the base plate (51) about its vertical center line. Each stacking component includes multiple sets of unit stacking sections spaced apart along the direction away from the vertical center line of the base plate (51). Multiple short steel pipes are stacked longitudinally between adjacent sets of unit stacking sections. Each unit stacking section includes two vertical support rods (53) arranged along the length of the discharge roller conveyor (4), arranged on the base plate (51) and connected one-to-one with each support rod (53). The corresponding base sleeve (54) has its bottom end inserted into and rotatably engaged with the base sleeve (54). Each support rod (53) has a hinged support foot (55) at its top for supporting the ground. A reversing slot (531) is provided on the support rod (53) near the support foot (55). A guide groove (532) is provided on the side of the support rod (53) facing the vertical center line of the base plate (51). The guide groove (532) extends from the reversing slot (531) to the side of the support rod (53) facing away from the vertical center line of the base plate (51). An elastic rope is attached between the two ends of the guide groove (532). 56), the elastic pull rope (56) is provided with a plurality of lifting beads (57) at intervals along its length direction. The distance between two adjacent lifting beads (57) gradually decreases along the direction of the support rod (53) toward the side facing away from the vertical center line of the base plate (51). When the lifting beads (57) are located on the side of the support rod (53) facing the vertical center line of the base plate (51), the lifting beads (57) extend to the outside of the guide groove (532). When the lifting beads (57) are located on the side of the support rod (53) facing away from the vertical center line of the base plate (51), the lifting beads (57) are completely located in the guide groove (532).

2. The portable steel pipe cutting device according to claim 1, characterized in that: A first support frame (61) is mounted above the discharge roller conveyor (4). A first motor (62) electrically connected to the control system and a first lead screw (63) coaxially connected to the output shaft of the first motor (62) are arranged on the first support frame (61). A sliding block (64) is threaded onto the first lead screw (63). The sliding block (64) slides on the first support frame (61) and is used for the end of the long steel pipe to abut against it.

3. The portable steel pipe cutting device according to claim 1, characterized in that: A second support frame (71) is mounted at the tail end of the discharge roller conveyor (4) directly above the stacking frame (5). Two parallel hanging rods (72) are arranged on the second support frame (71). Each hanging rod (72) is attached to a guide plate (73) by a hanging rope (9). The two guide plates (73) are V-shaped together. A second motor (74) electrically connected to the control system is also arranged on the second support frame (71). The output shaft of the second motor (74) is coaxially connected to a second lead screw (75). Two reciprocating blocks (76) are threaded onto the second lead screw (75). Each reciprocating block (76) corresponds to a guide plate (73) and is rotatably connected to it.

4. The portable steel pipe cutting device according to claim 1, characterized in that: A limit stop bar (8) is arranged on the support leg (55) furthest from the vertical center line of the base plate (51). When the support leg (55) is supported on the ground, the corresponding limit stop bar (8) is in a vertical state.

5. The portable steel pipe cutting device according to claim 1, characterized in that: A reinforcing mesh is arranged between the two struts (53) in the same group.

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