Environment-friendly cutting device for steel pipe machining

Abstract

The application relates to the field of pipeline cutting, in particular to an environment-friendly cutting device for steel pipe machining. The cutting device comprises a machining box, a positioning sleeve, a cutting assembly, a linear driving assembly and a rotary driving assembly; the machining box is internally provided with horizontally-adjacent first and second installation cavities; the positioning sleeve is arranged in the first installation cavity, a first containing cavity is arranged at the inner surface of the positioning sleeve, two second containing cavities penetrating through the inner surface are symmetrically arranged at the outer surface of the positioning sleeve, and the first containing cavity is communicated with a negative pressure device; the cutting device is installed at the top of the first installation cavity, a cutting part of the cutting assembly extends into the first containing cavity and is used for cutting the steel pipe; a linear driving device is installed in the first installation cavity, and two driving parts of the linear driving device are respectively located in the two second containing cavities. Smoke gas can be prevented from leaking and polluting the environment, and the iron scraps can be uniformly collected, so that the working area is prevented from being polluted by rust and the like caused by long-time accumulation of the iron scraps in the working area.

Description

Technical Field

[0001] This invention relates to the field of pipe cutting, and in particular to an environmentally friendly steel pipe cutting device. Background Technology

[0002] Steel pipe cutting is the process of cutting long steel pipes into shorter steel pipe products using laser cutting equipment, and it is widely used in the processing of hardware parts.

[0003] For example, the dust-free and environmentally friendly steel pipe processing cutting device disclosed in CN117359108B uses an internal sleeve inserted into the steel pipe to support it, and uses a cutting device to cut the steel pipe from the outside. The iron filings generated during the cutting process are collected inside the internal sleeve. However, this method can only collect the iron filings generated inside the steel pipe, while the iron filings generated outside the steel pipe will splash and accumulate in the cutting chamber. Since the cutting chamber integrates various structural devices, the iron filings that fall into the cutting chamber are not easy to clean, and after a long period of accumulation, they are prone to rust and affect the environment of the cutting chamber.

[0004] In addition, the aforementioned cutting device has a negative pressure device installed inside the cutting chamber, which has a large internal space due to the various structural devices inside. Therefore, when treating the fumes generated during cutting, the power requirement of the negative pressure device is relatively high. On the one hand, this generates significant noise that affects the working environment, and on the other hand, it requires more electricity to operate. Summary of the Invention

[0005] Therefore, it is necessary to provide an environmentally friendly steel pipe cutting device to address the above-mentioned technical problems. This device can prevent the leakage of fumes and pollution of the environment, and can also achieve unified collection of iron filings, preventing the iron filings from accumulating in the work area for a long time and causing rust and other pollution.

[0006] This invention provides an environmentally friendly steel pipe cutting device, comprising:

[0007] A processing box, wherein a first mounting cavity and a second mounting cavity are provided inside the processing box that are horizontally adjacent;

[0008] A positioning sleeve is disposed in the first mounting cavity. A first receiving cavity is provided on the inner surface of the positioning sleeve. Two second receiving cavities that extend to the inner surface are symmetrically provided on the outer surface of the positioning sleeve. The first receiving cavity is connected to the negative pressure device.

[0009] A cutting assembly, wherein the cutting device is mounted on the top of the first mounting cavity, and the cutting part of the cutting assembly extends into the first receiving cavity for cutting steel pipes;

[0010] A linear drive assembly, wherein the linear drive device is installed in the first mounting cavity, and the two drive parts of the linear drive device are respectively located in the two second receiving cavities, for pushing the steel pipe to move along the direction of the positioning sleeve;

[0011] A rotary drive assembly is installed in the second mounting cavity, with the drive part of the rotary drive assembly facing one end of the positioning sleeve, for clamping and rotating the steel pipe.

[0012] In one embodiment, the positioning sleeve includes a first fixing tube, a second fixing tube, and a second annular plate;

[0013] The first fixing tube is sleeved on the outer ring of the second fixing tube. The length of the first fixing tube is greater than the length of the second fixing tube. The ends of the two are connected by two second annular plates.

[0014] The first fixed tube and the second fixed tube form a closed liquid storage chamber. An injection hole is provided at the upper end of the liquid storage chamber, and an evaporation hole is provided on the side of the liquid storage chamber.

[0015] In one embodiment, the positioning sleeve further includes a spherical bend plate and two arc-shaped bend plates;

[0016] The spherical curved plate is disposed between the first fixed tube and the second fixed tube, and the surface of the spherical curved plate cuts off the second fixed tube and connects to the second fixed tube to form the first receiving cavity. The side of the spherical curved plate is through and communicates with the inside of the second fixed tube.

[0017] The spherical curved plate is provided with a third fixing tube on both the upper and lower sides. One end of the third fixing tube extends through to the inner surface of the spherical curved plate, and the other end of the third fixing tube extends through to the outer surface of the first fixing tube.

[0018] The two arc-shaped bending plates are respectively disposed on the upper and lower sides of the second fixing tube, and the surface of the arc-shaped bending plates sequentially cuts through the first fixing tube and the second fixing tube and connects with the first fixing tube and the second fixing tube to form two second receiving cavities; the middle part of the bending plate is open and communicates with the inside of the second fixing tube.

[0019] In one embodiment, a duct chamber is provided at the bottom of the processing box, and a receiving pipe fitting is installed at the bottom of the first mounting cavity, extending through the duct chamber. The receiving pipe fitting is inserted into the third fixing pipe located on the lower side and communicates with the first receiving cavity. A first connecting pipe is provided in the second mounting cavity, and both ends of the first connecting pipe extend through the duct chamber and the outside of the processing box, respectively. The negative pressure device is connected to the end of the first connecting pipe that extends through the outside of the processing box.

[0020] In one embodiment, two second receiving cavities are located on the upper and lower sides of the middle part of the positioning sleeve, and two first receiving cavities are provided, respectively located at both ends of the positioning sleeve.

[0021] In one embodiment, the positioning sleeve is composed of two symmetrical semi-circular ring components, and an opening and closing assembly is installed in the first mounting cavity. The opening and closing assembly includes two fixed seats, two first rotary drivers, two screws, and two limiting members.

[0022] The two fixing seats are respectively fixed on the two side walls of the first mounting cavity. The two ends of the two screws are respectively installed on the two fixing seats, and the two screws are respectively located on the upper and lower sides of the positioning sleeve. The two first rotary drivers are respectively used to drive the two screws to rotate. The two limiting members are symmetrically arranged and driven to be installed on the two screws. The two limiting members are respectively connected to the two semi-circular ring kits.

[0023] In one embodiment, the cutting assembly includes a first longitudinal driver and a cutting head, the first longitudinal driver being fixed to the top of the first mounting cavity, the cutting head being mounted on the driving end of the first longitudinal driver, and the cutting head being located within the first receiving cavity.

[0024] In one embodiment, the linear drive assembly includes two second longitudinal drivers, two second rotary drivers, two rotating rods, a rotating block, and a plurality of limiting blocks;

[0025] The two second longitudinal actuators are respectively fixed on the two side walls of the first mounting cavity. The two ends of the two rotating rods are respectively mounted on the two second longitudinal actuators, and the two rotating rods are respectively located on the upper and lower sides of the positioning sleeve. The two second rotary actuators are respectively used to drive the two rotating rods to rotate. Two rotating blocks are respectively mounted on the two rotating rods. The two rotating blocks are respectively located in the two second receiving cavities. The outer surface of the rotating block has a plurality of mounting grooves arranged in a circular array. The plurality of limiting blocks are respectively installed in the plurality of mounting grooves. The surface of the limiting block protrudes from the outer surface of the rotating block and abuts against the surface of the steel pipe.

[0026] In one embodiment, the outer surface of the rotating block is composed of two annular surfaces and an arc-shaped surface. The two annular surfaces are located at both ends of the first arc-shaped surface. The arc-shaped surface bends toward the central axis of the rotating block. The two ends of the mounting groove are respectively located on the two annular surfaces. Both ends of the rotating block are fitted with a sleeve, and a spring is provided between the sleeve and the rotating block.

[0027] The two ends of the limiting block are located within the annular surface, the middle part of the limiting block protrudes from the arc-shaped surface, and the distance between the protruding part surface and the arc-shaped surface is equal.

[0028] In one embodiment, the rotary drive assembly includes a third rotary driver, a gear, a fourth fixed tube, a rotating tube, a plurality of rotating columns, two third annular plates, and a plurality of limiting plates;

[0029] The fourth fixing tube is fixed in the second mounting cavity, and the central axis of the fourth fixing tube coincides with the central axis of the positioning sleeve. The rotating tube is located inside the fourth fixing tube. The plurality of rotating columns are arranged in a ring array between the two. The two third ring plates are respectively fixed at both ends of the rotating tube. The plurality of limiting plates are arranged in a ring array inside the rotating tube and are elastically connected to the inner surface of the rotating tube.

[0030] The third rotary actuator is equipped with a gear at its drive end, and a rack that meshes with the gear is provided on the outer surface of one end of the rotating tube.

[0031] The aforementioned environmentally friendly steel pipe processing cutting device first inserts the steel pipe into the positioning sleeve along the positioning sleeve direction. Then, the linear drive assembly clamps the steel pipe and linearly drives it so that the end of the pipe is inserted into the rotary drive assembly. At this point, the rotary drive assembly clamps and fixes the steel pipe. During cutting, the cutting assembly is activated to cut the steel pipe, while the rotary drive assembly rotates the pipe. The fumes and iron filings generated during the cutting process are collected in the first receiving chamber and extracted by the negative pressure device, thus preventing fumes leakage and environmental pollution. It also achieves unified collection of iron filings, preventing... Iron filings accumulating in the work area for a long time can cause rust and other contamination. Since the steel pipe cutting section is located in the first receiving cavity, and the space of the first receiving cavity is relatively small, the negative pressure device can achieve the absorption and collection of flue gas and iron filings with a small power, effectively reducing the noise and energy consumption of the device. After the steel pipe is cut, the linear drive component will continue to linearly drive the steel pipe so that the uncut part of the steel pipe pushes the cut steel pipe out of the positioning sleeve. The transfer of the cut part of the steel pipe is completed in the above way, which is more stable than the conventional method of directly pushing with rollers. Attached Figure Description

[0032] To more clearly illustrate the technical solutions in this invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0033] Figure 1 A three-dimensional structural schematic diagram of the cutting device provided by the present invention;

[0034] Figure 2 A schematic diagram of the planar structure of the cutting device provided by the present invention;

[0035] Figure 3 A three-dimensional structural schematic diagram of the processing box provided by the present invention;

[0036] Figure 4 A schematic diagram of the overall structure of the positioning sleeve provided by the present invention;

[0037] Figure 5 A partial structural schematic diagram of the positioning sleeve provided by the present invention;

[0038] Figure 6 This is a partial structural schematic diagram of the cutting device provided by the present invention;

[0039] Figure 7 A schematic diagram of the split structure of the linear drive component provided by the present invention;

[0040] Figure 8 This is a three-dimensional structural diagram of the rotary drive assembly provided by the present invention.

[0041] Figure label:

[0042] 10. Steel pipe; 100. Processing box; 110. First mounting cavity; 120. Second mounting cavity; 130. Gas guide cavity; 140. First connecting pipe; 150. First opening; 160. Second opening; 170. Receiving pipe fitting; 171. Second connecting pipe; 172. First annular plate; 200. Positioning sleeve; 210. First fixing pipe; 211. Injection hole; 212. Evaporation hole; 220. Second fixing pipe; 230. Second annular plate; 240. Spherical bent plate; 241. First receiving cavity; 250. Third fixing pipe; 260. Arc-shaped bent plate; 261. Second receiving cavity; 270. Liquid storage cavity; 300. Opening and closing assembly; 310. Fixing seat; 320. First rotation Driver; 330, Screw; 340, Limiting component; 341, Arc plate; 342, Fixing plate; 400, Cutting assembly; 410, First longitudinal driver; 420, Cutting head; 500, Linear drive assembly; 510, Second longitudinal driver; 520, Second rotary driver; 530, Rotating rod; 540, Housing; 550, Rotating block; 551, Annular surface; 552, Arc surface; 553, Mounting groove; 560, Limiting block; 570, Spring; 600, Rotary drive assembly; 610, Third rotary driver; 620, Gear; 630, Fourth fixing tube; 640, Rotating tube; 650, Rotating column; 660, Third annular plate; 670, Limiting plate. Detailed Implementation

[0043] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0044] The following is combined Figures 1 to 8 This invention describes an environmentally friendly steel pipe processing cutting device.

[0045] like Figures 1 to 4 As shown, in one embodiment, an environmentally friendly steel pipe processing cutting device includes a processing box 100, a positioning sleeve 200, a cutting assembly 400, a linear drive assembly 500, and a rotary drive assembly 600. The processing box 100 has horizontally adjacent first mounting cavities 110 and second mounting cavities 120. The positioning sleeve 200 is disposed within the first mounting cavity 110, and a first receiving cavity 241 is provided on the inner surface of the positioning sleeve 200. Two second receiving cavities 261, extending to the inner surface, are symmetrically arranged on the outer surface of the positioning sleeve 200. The first receiving cavity 241 and... The negative pressure device is connected; the cutting device is installed at the top of the first mounting cavity 110, and the cutting part of the cutting assembly 400 extends into the first receiving cavity 241 for cutting the steel pipe 10; the linear drive device is installed in the first mounting cavity 110, and the two drive parts of the linear drive device are located in the two second receiving cavities 261 respectively for pushing the steel pipe 10 to move along the positioning sleeve 200; the rotary drive assembly 600 is installed in the second mounting cavity 120, and the drive part of the rotary drive assembly 600 faces one end of the positioning sleeve for clamping and rotating the steel pipe 10.

[0046] The aforementioned environmentally friendly steel pipe processing cutting device first inserts the steel pipe 10 into the positioning sleeve 200 along the direction of the positioning sleeve 200. Then, the linear drive assembly 500 clamps the steel pipe 10 and linearly drives it so that the end of the steel pipe 10 is inserted into the rotary drive assembly 600. At this time, the rotary drive assembly 600 clamps and fixes the steel pipe 10. During cutting, the cutting assembly 400 is activated to cut the steel pipe 10, while the rotary drive assembly 600 rotates the steel pipe 10. The fumes and iron filings generated during the rotational cutting process are retained in the first receiving cavity 241 and extracted by the negative pressure device, thereby preventing fumes from leaking and polluting the environment. Simultaneously, it also achieves the processing of iron filings. The unified collection of iron filings prevents them from accumulating in the work area for a long time, causing rust and other contamination. Since the cut part of the steel pipe 10 is located in the first receiving cavity 241, and the space of the first receiving cavity 241 is relatively small, the negative pressure device can achieve the absorption and collection of flue gas and iron filings with a small power, effectively reducing the noise and energy consumption of the device. After the steel pipe 10 has completed a section of cutting, the linear drive component 500 will continue to linearly drive the steel pipe 10 so that the uncut part of the steel pipe 10 pushes the cut steel pipe 10 out of the positioning sleeve 200. The transfer of the cut part of the steel pipe 10 is completed in the above way, which is more stable than the conventional method of directly pushing with rollers.

[0047] In one embodiment, the positioning sleeve 200 includes a first fixing tube 210, a second fixing tube 220, and a second annular plate 230; the first fixing tube 210 is sleeved on the outer ring of the second fixing tube 220, the length of the first fixing tube 210 is greater than the length of the second fixing tube 220, and the ends of the two are connected by two second annular plates 230 respectively; the first fixing tube 210 and the second fixing tube 220 form a closed liquid storage cavity 270, the upper end of the liquid storage cavity 270 is provided with an injection hole 211, and the side of the liquid storage cavity 270 is provided with an evaporation hole 212.

[0048] Specifically, the diameter of the end of the second annular plate 230 connected to the second fixed tube 220 is smaller than the diameter of the end connected to the first fixed tube 210. When the steel pipe 10 is inserted along the central axis of the positioning sleeve 200, the second annular plate 230 can guide the steel pipe 10. Since the high-temperature fumes and iron filings generated by the cutting assembly 400 when cutting the steel pipe 10 will come into contact with the first receiving cavity 241, in order to avoid the positioning sleeve 200 from overheating, coolant can be injected into the liquid storage cavity 270 through the injection hole 211. When the positioning sleeve 200 is overheated, the coolant will exchange heat with the positioning sleeve 200 and evaporate. The evaporated steam will be discharged through the evaporation hole 212.

[0049] like Figure 5As shown, in one embodiment, the positioning sleeve 200 further includes a spherical bent plate 240 and two arc-shaped bent plates 260; the spherical bent plate 240 is disposed between the first fixing tube 210 and the second fixing tube 220, and the surface of the spherical bent plate 240 cuts through the second fixing tube 220 and connects to the second fixing tube 220 to form a first receiving cavity 241, the side of the spherical bent plate 240 is through and communicates with the interior of the second fixing tube 220; a third fixing tube 250 is provided on both the upper and lower sides of the spherical bent plate 240, the third... One end of the fixing tube 250 extends to the inner surface of the spherical bent plate 240, and the other end of the third fixing tube 250 extends to the outer surface of the first fixing tube 210; two arc-shaped bent plates 260 are respectively disposed on the upper and lower sides of the second fixing tube 220, and the surface of the arc-shaped bent plate 260 sequentially cuts the first fixing tube 210 and the second fixing tube 220 and connects with the first fixing tube 210 and the second fixing tube 220 to form two second receiving cavities 261; the middle part of the bent plate extends through and communicates with the interior of the second fixing tube 220.

[0050] Specifically, the spherical curved plate 240 ensures that there is always a certain gap between the surface of the first receiving cavity 241 and the surface of the steel pipe 10, which facilitates the movement of flue gas and iron filings.

[0051] As can be seen from the above embodiments, the spherical structure design of the first receiving cavity 241 can minimize the range of the cutting area, while allowing the iron filings generated by cutting to fall into the same position, which facilitates the collection of flue gas and iron filings.

[0052] In one embodiment, a duct chamber 130 is provided at the bottom of the processing box 100. A receiving pipe fitting 170 extending to the duct chamber 130 is installed at the bottom of the first mounting cavity 110. The receiving pipe fitting 170 is inserted into the third fixing pipe 250 located on the lower side and communicates with the first receiving cavity 241. A first connecting pipe 140 is provided in the second mounting cavity 120. Both ends of the first connecting pipe 140 extend to the duct chamber 130 and the outside of the processing box 100, respectively. A negative pressure device is connected to one end of the first connecting pipe 140 extending to the outside of the processing box 100.

[0053] Specifically, the processing box 100 has a first opening 150 communicating with the first mounting cavity 110 and a second opening 160 communicating with the second mounting cavity 120 at both ends. The receiving pipe fitting 170 includes a second connecting pipe 171 and a first annular plate 172. The first connecting pipe 140 extends to the air guiding cavity 130. The first annular plate 172 is curved, and its inner ring is connected to the top end of the first connecting pipe 140. The outer surface of the first annular plate 172 is attached to the surface of the first receiving cavity 241. Because the annular plate has an upwardly expanding structure, the falling area of ​​the iron filings generated during cutting can be completely covered by the first annular plate 172, thereby guiding all the iron filings into the second connecting pipe 171 for easy suction by the negative pressure device.

[0054] In one embodiment, two second receiving cavities 261 are located on the upper and lower sides of the middle part of the positioning sleeve 200, and two first receiving cavities 241 are provided, respectively located at both ends of the positioning sleeve 200.

[0055] Specifically, based on the number and position of the first receiving cavity 241 and the second receiving cavity 261, two cutting assemblies 400 are respectively provided on both sides of the linear drive assembly 500.

[0056] Based on the above embodiments, in order to reduce the volume of the processing box 100, only one rotary drive assembly 600 is provided for rotating the steel pipe 10. After the steel pipe 10 is cut multiple times with one end as the base end, due to the limitation of the remaining length, it may be necessary to use the other end of the steel pipe 10 as the base end for cutting. Similarly, due to the limitation of the remaining length of the steel pipe 10, the cutting assembly 400 close to the rotary drive assembly 600 can be used to cut the steel pipe 10.

[0057] like Figure 6 As shown, in one embodiment, the positioning sleeve 200 is composed of two symmetrical semi-circular ring components. An opening and closing assembly 300 is installed in the first mounting cavity 110. The opening and closing assembly 300 includes two fixed seats 310, two first rotary actuators 320, two screws 330, and two limiting members 340. The two fixed seats 310 are respectively fixed on the two side walls of the first mounting cavity 110. The two ends of the two screws 330 are respectively installed on the two fixed seats 310, and the two screws 330 are respectively located on the upper and lower sides of the positioning sleeve 200. The two first rotary actuators 320 are respectively used to drive the two screws 330 to rotate. The two limiting members 340 are symmetrically arranged and driven on the two screws 330. The two limiting members 340 are respectively connected to the two semi-circular ring components.

[0058] Specifically, stains will accumulate on the inner ring of the positioning sleeve 200 after prolonged use. By setting the positioning sleeve 200 into two symmetrical parts, the inner ring of the positioning sleeve 200 can be unfolded through the opening and closing component 300 for cleaning.

[0059] In one embodiment, the limiting member 340 includes an arc-shaped plate 341 and two fixing plates 342. The two fixing plates 342 are respectively fixed at both ends of the arc-shaped plate 341. The screw 330 passes through the fixing plates 342 and is threadedly connected to the fixing plates 342. The inner surface of the arc-shaped plate 341 is connected to the outer surface of the first fixing tube 210 by fasteners.

[0060] In one embodiment, the cutting assembly 400 includes a first longitudinal driver 410 and a cutting head 420. The first longitudinal driver 410 is fixed to the top of the first mounting cavity 110, and the cutting head 420 is mounted on the driving end of the first longitudinal driver 410 and is located in the first receiving cavity 241.

[0061] like Figure 7 As shown, in one embodiment, the linear drive assembly 500 includes two second longitudinal actuators 510, two second rotary actuators 520, two rotating rods 530, a rotating block 550, and a plurality of limiting blocks 560. The two second longitudinal actuators 510 are respectively fixed on the two side walls of the first mounting cavity 110. The two ends of the two rotating rods 530 are respectively mounted on the two second longitudinal actuators 510, and the two rotating rods 530 are respectively located on the upper and lower sides of the positioning sleeve 200. The two second rotary actuators 520 are respectively used to drive the two rotating rods 530 to rotate. Two rotating blocks 550 are respectively mounted on the two rotating rods 530. The two rotating blocks 550 are respectively located in the two second receiving cavities 261. The outer surface of the rotating block 550 is provided with a plurality of mounting grooves 553 arranged in a ring array. The plurality of limiting blocks 560 are respectively installed in the plurality of mounting grooves 553. The surface of the limiting block 560 protrudes from the outer surface of the rotating block and abuts against the surface of the steel pipe 10.

[0062] Specifically, the outer surface of the rotating block 550 is composed of two annular surfaces 551 and an arc-shaped surface 552. The two annular surfaces 551 are located at both ends of the first arc-shaped surface 552. The arc-shaped surface 552 is curved towards the central axis of the rotating block 550. The two ends of the mounting groove 553 are respectively located on the two annular surfaces 551. Both ends of the rotating block 550 are fitted with a sleeve 540. A spring 570 is provided between the sleeve 540 and the rotating block 550. The two ends of the limiting block 560 are located inside the annular surface 551. The middle part of the limiting block 560 protrudes from the arc-shaped surface 552, and the distance between the protruding part surface and the arc-shaped surface 552 is equal.

[0063] Based on the above embodiments, when linear driving of the steel pipe 10 is required, the second longitudinal driver 510 drives the two rotating rods 530 to move closer to each other, so that the limiting blocks 560 on the two rotating blocks 550 abut against the surface of the steel pipe 10. Since the limiting blocks 560 are detachably installed in the mounting groove 553, to facilitate fixing the limiting blocks 560, the housing 540 can be moved away from the rotating blocks 550 during installation, exposing the entire mounting groove 553. After the limiting blocks 560 are installed in the mounting groove 553, the movement of the housing 540 is stopped. Affected by the spring 570, the housing 540 will fit onto the end of the rotating blocks 550, thus fixing the limiting blocks 560.

[0064] Preferably, the limiting block 560 is made of an elastic material to increase the friction between it and the steel pipe 10.

[0065] like Figure 8 As shown, in one embodiment, the rotary drive assembly 600 includes a third rotary driver 610, a gear 620, a fourth fixed tube 630, a rotating tube 640, multiple rotating columns 650, two third annular plates 660, and multiple limiting plates 670. The fourth fixed tube 630 is fixed inside the second mounting cavity 120, and the central axis of the fourth fixed tube 630 coincides with the central axis of the positioning sleeve 200. The rotating tube 640 is located inside the fourth fixed tube 630. The multiple rotating columns 650 are arranged in an annular array between the two. The two third annular plates 660 are respectively fixed at both ends of the rotating tube 640. The multiple limiting plates 670 are arranged in an annular array inside the rotating tube 640 and are elastically connected to the inner surface of the rotating tube 640. The drive end of the third rotary driver 610 is equipped with a gear 620, and a rack that meshes with the gear 620 is provided on the outer surface of one end of the rotating tube 640.

[0066] Specifically, the limiting plate 670 and the rotating tube 640 can be elastically connected by an elastic element, and the frictional force exerted by the limiting plate 670 on the steel tube 10 is less than the frictional force exerted by the rotating limiting block 560 on the steel tube 10.

[0067] Preferably, the side of the limiting plate 670 that is in contact with the steel pipe 10 is provided with multiple limiting grooves, and the two ends of the limiting grooves extend to the two ends of the limiting plate 670 along the central axis of the rotating pipe 640.

[0068] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0069] The embodiments described above are merely illustrative of several implementations of the present invention, and while the descriptions are specific and detailed, they should not be construed as limiting the scope of the present invention. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of the present invention, and these modifications and improvements all fall within the scope of protection of the present invention. Therefore, the scope of protection of this patent should be determined by the appended claims.

Claims

1. An environmentally friendly steel pipe processing cutting device, characterized in that, include: A processing box, wherein a first mounting cavity and a second mounting cavity are provided inside the processing box that are horizontally adjacent; A positioning sleeve is disposed in the first mounting cavity. A first receiving cavity is provided on the inner surface of the positioning sleeve. Two second receiving cavities that extend to the inner surface are symmetrically provided on the outer surface of the positioning sleeve. The first receiving cavity is connected to the negative pressure device. A cutting assembly, wherein the cutting device is mounted on the top of the first mounting cavity, and the cutting part of the cutting assembly extends into the first receiving cavity for cutting steel pipes; A linear drive assembly is installed in the first mounting cavity, and the two drive parts of the linear drive assembly are respectively located in the two second receiving cavities, for pushing the steel pipe to move along the direction of the positioning sleeve; A rotary drive assembly is installed in the second mounting cavity, with the drive part of the rotary drive assembly facing one end of the positioning sleeve, for clamping and rotating the steel pipe. The positioning sleeve includes a first fixing tube, a second fixing tube, and a second annular plate; The first fixing tube is sleeved on the outer ring of the second fixing tube. The length of the first fixing tube is greater than the length of the second fixing tube. The ends of the two are connected by two second annular plates. The first fixed tube and the second fixed tube form a closed liquid storage chamber. An injection hole is provided at the upper end of the liquid storage chamber, and an evaporation hole is provided on the side of the liquid storage chamber. The positioning sleeve also includes a spherical bent plate and two arc-shaped bent plates; The spherical curved plate is disposed between the first fixed tube and the second fixed tube, and the surface of the spherical curved plate cuts off the second fixed tube and connects to the second fixed tube to form the first receiving cavity. The side of the spherical curved plate is through and communicates with the inside of the second fixed tube. The spherical curved plate is provided with a third fixing tube on both the upper and lower sides. One end of the third fixing tube extends through to the inner surface of the spherical curved plate, and the other end of the third fixing tube extends through to the outer surface of the first fixing tube. The two arc-shaped bending plates are respectively disposed on the upper and lower sides of the second fixing tube, and the surface of the arc-shaped bending plates sequentially cuts through the first fixing tube and the second fixing tube and connects with the first fixing tube and the second fixing tube to form two second receiving cavities; the middle part of the arc-shaped bending plate is open and communicates with the interior of the second fixing tube.

2. The environmentally friendly steel pipe processing cutting device according to claim 1, characterized in that, The bottom of the processing box is provided with an air guide cavity. The bottom of the first mounting cavity is provided with a receiving pipe fitting that extends through the air guide cavity. The receiving pipe fitting is inserted into the third fixed pipe located on the lower side and communicates with the first receiving cavity. The second mounting cavity is provided with a first connecting pipe. The two ends of the first connecting pipe extend through the air guide cavity and the outside of the processing box, respectively. The negative pressure device is connected to the end of the first connecting pipe that extends through the outside of the processing box.

3. The environmentally friendly steel pipe processing cutting device according to claim 2, characterized in that, The two second receiving cavities are located on the upper and lower sides of the middle part of the positioning sleeve, and the first receiving cavity is provided in two parts, which are located at the two ends of the positioning sleeve respectively.

4. The environmentally friendly steel pipe processing cutting device according to claim 1, characterized in that, The positioning sleeve is composed of two symmetrical semi-circular ring components. An opening and closing assembly is installed in the first mounting cavity. The opening and closing assembly includes two fixed seats, two first rotary drivers, two screws, and two limiting members. The two fixing seats are respectively fixed on the two side walls of the first mounting cavity. The two ends of the two screws are respectively installed on the two fixing seats, and the two screws are respectively located on the upper and lower sides of the positioning sleeve. The two first rotary drivers are respectively used to drive the two screws to rotate. The two limiting members are symmetrically arranged and driven to be installed on the two screws. The two limiting members are respectively connected to the two semi-circular ring kits.

5. The environmentally friendly steel pipe processing cutting device according to claim 1, characterized in that, The cutting assembly includes a first longitudinal driver and a cutting head. The first longitudinal driver is fixed to the top of the first mounting cavity, and the cutting head is mounted on the driving end of the first longitudinal driver and located within the first receiving cavity.

6. The environmentally friendly steel pipe processing cutting device according to claim 1, characterized in that, The linear drive assembly includes two second longitudinal actuators, two second rotary actuators, two rotating rods, a rotating block, and multiple limiting blocks; The two second longitudinal actuators are respectively fixed on the two side walls of the first mounting cavity. The two ends of the two rotating rods are respectively mounted on the two second longitudinal actuators, and the two rotating rods are respectively located on the upper and lower sides of the positioning sleeve. The two second rotary actuators are respectively used to drive the two rotating rods to rotate. Two rotating blocks are respectively mounted on the two rotating rods. The two rotating blocks are respectively located in the two second receiving cavities. The outer surface of the rotating block has a plurality of mounting grooves arranged in a circular array. The plurality of limiting blocks are respectively installed in the plurality of mounting grooves. The surface of the limiting block protrudes from the outer surface of the rotating block and abuts against the surface of the steel pipe.

7. The environmentally friendly steel pipe processing cutting device according to claim 6, characterized in that, The outer surface of the rotating block is composed of two annular surfaces and an arc-shaped surface. The two annular surfaces are located at both ends of the arc-shaped surface. The arc-shaped surface bends toward the central axis of the rotating block. The two ends of the mounting groove are respectively located on the two annular surfaces. Both ends of the rotating block are fitted with a sleeve, and a spring is provided between the sleeve and the rotating block. The two ends of the limiting block are located within the annular surface, the middle part of the limiting block protrudes from the arc-shaped surface, and the distance between the protruding part surface and the arc-shaped surface is equal.

8. The environmentally friendly steel pipe processing cutting device according to claim 1, characterized in that, The rotary drive assembly includes a third rotary driver, a gear, a fourth fixed tube, a rotating tube, multiple rotating columns, two third annular plates, and multiple limiting plates; The fourth fixing tube is fixed in the second mounting cavity, and the central axis of the fourth fixing tube coincides with the central axis of the positioning sleeve. The rotating tube is located inside the fourth fixing tube. The plurality of rotating columns are arranged in a ring array between the two. The two third ring plates are respectively fixed at both ends of the rotating tube. The plurality of limiting plates are arranged in a ring array inside the rotating tube and are elastically connected to the inner surface of the rotating tube. The third rotary actuator is equipped with a gear at its drive end, and a rack that meshes with the gear is provided on the outer surface of one end of the rotating tube.

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