Pipeline cutting device

Abstract

The invention discloses a pipeline cutting device in the technical field of pipeline cutting, which comprises a base, fixed plates are oppositely arranged on two sides of the top end of the base, a movable plate is connected to the inner side of each fixed plate through a telescopic mechanism, a mounting disc is arranged in the middle of each movable plate, and a fixing mechanism is arranged in each mounting disc. Two sets of supporting plates are further oppositely arranged at the top end of the base, a movable frame is movably arranged between the two sets of supporting plates through a transverse moving mechanism and the transverse moving mechanism, a lifting mechanism is arranged in the movable frame, a lifting part is arranged at the lower end of the lifting mechanism, a mounting frame is arranged at the bottom of the lifting part, and a sealing ring is detachably connected to the mounting frame; and the cutting mechanism is arranged in the mounting frame, the opening and closing mechanism is mounted at the bottom of the mounting frame, the whole device stably and accurately clamps and cuts the pipeline, the whole adjusting process is convenient and rapid, the efficiency is high, meanwhile, the safety is improved, and the influence on human health is reduced.

Description

Technical Field

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

[0002] Sewage pipes are important components for collecting and transporting urban sewage. Sewage flows from branch pipes into trunk pipes, then into main pipes, and finally into sewage treatment plants. The pipes are distributed from small to large, similar to rivers and in a tree-like shape. They are completely different from the circulation and penetration of water supply networks. Sewage generally flows from high to low in the pipes due to the water level difference at both ends of the pipes. The inside of the pipes is not under pressure, that is, it flows by gravity.

[0003] The prior art has the following defects or problems:

[0004] 1. Existing sewage pipes need to be cut and processed before installation, but sewage pipes are of different sizes, making cutting inconvenient.

[0005] 2. It is inconvenient to move the existing sewage pipes when cutting, so the cutting equipment needs to be moved manually.

[0006] 3. The existing pipe cutting process produces a lot of impurities and dust, which has an adverse effect on the safety and health of users. Summary of the invention

[0007] In order to overcome the deficiencies of the prior art, the technical problem to be solved by the present invention is: how to improve the convenience and safety of the sewage pipe cutting process.

[0008] The technical solution adopted by the present invention to solve its technical problem is:

[0009] A pipe cutting device comprises a base, fixed plates are arranged opposite to each other on both sides of the top of the base, a movable plate is connected to the inner side of the fixed plate through a telescopic mechanism, a mounting plate is arranged in the middle of the movable plate, a fixing mechanism is arranged inside the mounting plate, the telescopic mechanism is used to adjust the spacing between the fixing mechanisms on both sides, the fixing mechanism is used to clamp the end of the pipe, two groups of support plates are arranged opposite to each other on the top of the base, the connection line of the two groups of support plates is parallel to the connection line between the two fixed plates and has a preset spacing, a lateral moving mechanism is passed between the two groups of support plates, and the lateral moving mechanism is movably provided with a movable A movable frame, wherein a lifting mechanism is arranged inside the movable frame, a lifting member is arranged at the lower end of the lifting mechanism, and an installation frame is arranged at the bottom of the lifting member, the installation frame is provided with a through hole parallel to the connecting line of the two groups of the support plates, and the two openings of the installation frame through the through hole are detachably connected with a sealing ring, and the inner diameter of the sealing ring is adapted to the outer diameter of the pipe to be cut; the lifting mechanism is used to adjust the height of the installation frame, and the lateral moving mechanism is used to adjust the horizontal position of the installation frame, and a cutting mechanism is arranged inside the installation frame, and the cutting mechanism is used to cut the pipe, and an opening and closing mechanism is arranged at the bottom of the installation frame.

[0010] Furthermore, the movable plate is disc-shaped, and the telescopic mechanism includes a fixing piece installed on the inner side of the fixing plate, the fixing piece is rotatably provided with an end face gear, and the movable plate is coaxial with the end face gear; the fixing piece is preferably provided with a plurality of connecting seats, and the plurality of connecting seats are located on the inner side of the end face gear and are evenly arranged along the circumference of the end face gear, the connecting seat is rotatably connected to a rotating rod located in the radial direction of the end face gear, both ends of the rotating rod pass through the connecting seats, and the end of the rotating rod close to the end face gear is connected to a transmission gear, the transmission gear is meshed with the end face gear, the end of the rotating rod away from the end face gear is hinged with a first connecting arm, the end of the first connecting arm away from the connecting seat is hinged with a second connecting arm, the end of the second connecting arm away from the first connecting arm is hinged to the outer wall of the movable plate, and the plurality of second connecting arms and the plurality of hinge points of the movable plate are arranged along the circumference of the fixed plate; the fixed plate is fixedly provided with a first transmission motor, and the output end of the first transmission motor is connected to any one of the transmission gears.

[0011] Furthermore, the fixing mechanism comprises a rotating circle coaxially arranged in the mounting plate, the inner wall and the outer wall of the rotating circle are respectively provided with an inner gear and an outer gear, a main gear and a plurality of passive gears are rotatably arranged in the mounting plate, the main gear meshes with the outer gear, the plurality of passive gears are arranged circumferentially of the inner gear and all mesh with the inner gear, a plurality of first clamping members are slidably arranged in the mounting plate, and the plurality of first clamping members are respectively evenly arranged circumferentially of the mounting plate and the extension direction of the first clamping members is the radial direction of the mounting plate, the plurality of first clamping members and the plurality of passive gears correspond one to one, a rack is provided on the side of the first clamping member close to the passive gear, the extension direction of the rack is consistent with the extension direction of the first clamping member, the rack meshes with the passive gear at the corresponding position, a coaxial through hole is opened at the center position of the mounting plate, the clamping end of the first clamping member extends radially into the through hole along the through hole.

[0012] Furthermore, the above-mentioned lateral moving mechanism includes a first guide rod and a first screw rod connected between the two above-mentioned support plates and parallel to each other, the above-mentioned first screw rod is passed through the above-mentioned movable frame and cooperates with the above-mentioned movable frame thread, the above-mentioned first guide rod is slidably passed through the above-mentioned movable frame, any one of the above-mentioned support plates is provided with a first stepper motor, and the output end of the above-mentioned first stepper motor is connected to the above-mentioned first screw rod.

[0013] Furthermore, the lifting mechanism includes a first screw movably arranged on the movable frame, the threads on both sides of the first screw are opposite, and a guide rail parallel to the first screw is arranged on the top of the movable frame, the first movable seat and the second movable seat are respectively threadedly sleeved on both sides of the first screw, the first movable seat and the second movable seat are both slidably connected to the guide rail, the first movable seat and the second movable seat are respectively hinged to the ends of two support rods at the fixed end of the scissors frame, the ends of the two support rods at the lifting end of the scissors frame are respectively connected to the first sliding seat and the second sliding seat, a slide rail is arranged on the top of the lifting member, and the first sliding seat and the second sliding seat are both slidably connected to the slide rail.

[0014] Furthermore, the bottom of the lifting member can be detachably arranged on the installation frame.

[0015] Furthermore, a sliding bar with a T-shaped cross-section is provided at the bottom of the above-mentioned lifting member, and a T-shaped sliding groove is provided at the top of the above-mentioned installation frame. The above-mentioned sliding bar slidably cooperates with the above-mentioned sliding groove, and the outer wall of the above-mentioned installation frame is provided with a limiting plate for limiting the relative sliding of the above-mentioned sliding bar and the above-mentioned sliding groove, and the above-mentioned limiting plate is fixed to the outer wall of the above-mentioned installation frame by bolts.

[0016] Furthermore, the cutting mechanism includes a guide seat connected to the inside of the mounting frame, a second screw rod is rotatably arranged inside the guide seat in the extension direction, a movable part is threadedly sleeved on the outer side of the second screw rod, the sliding part is slidably connected to the guide seat, a second stepper motor is arranged on the outer wall of the guide seat, the output end of the second stepper motor is connected to the second screw rod, and the movable part is provided with a cutting part.

[0017] Furthermore, the cutting member includes a group of first gears and two groups of second gears rotatably arranged on the movable member, the two groups of second gears are respectively meshed with the two sides of the first gear, the two groups of second gears are respectively meshed with a third gear rotatably connected to the movable member, the movable member is also rotatably provided with a rotating gear ring, the third gear is meshed with the rotating gear ring, an electric push rod arranged along the radial direction of the rotating gear ring is fixedly connected to the rotating gear ring, the output end of the electric push rod faces the center direction of the rotating gear ring and is provided with a connecting seat, and the connecting seat is provided with a cutting knife; the movable member is provided with a second driving motor, and the output end of the second driving motor is connected to the first gear; the connecting seat is provided with a first driving motor, and the driving end of the first driving motor is connected to the cutting knife, the inner ring side of the rotating gear ring is a hollow part, and the hollow part is used for the pipe to be cut to penetrate.

[0018] Furthermore, the opening and closing mechanism includes a support block arranged on the side wall of the installation frame, the support block is rotatably provided with a second screw, the threads on both sides of the second screw have opposite rotation directions, and cover plates are threadedly sleeved on both sides of the second screw, the support block is provided with a second servo motor, and the output end of the second servo motor is connected to the second screw.

[0019] The beneficial effects of the present invention are:

[0020] (1) Through the telescopic mechanism, the lateral movement mechanism and the lifting mechanism, the position of the installation frame and the clamping position of the pipe to be cut can be adjusted to achieve stable and accurate clamping and cutting of the pipe. The entire adjustment process is convenient and fast with high efficiency.

[0021] (2) The sealing ring can be detachably arranged on the mounting frame, and sealing rings with different inner diameters can be replaced to adapt to pipes with different outer diameters. In addition, the fixing device of the mounting plate can adapt to the fixing of pipes with different outer diameters, thereby improving adaptability.

[0022] (3) The installation frame and the sealing ring can ensure that the cutting process is carried out in a relatively closed space, thereby preventing cutting dust from entering the external environment, improving safety, and reducing the impact on human health.

[0023] (4) The opening and closing mechanism can facilitate the cleaning of the cutting waste in the installation frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0025] Figure 2 It is a schematic diagram of the telescopic mechanism of the present invention;

[0026] Figure 3 It is a schematic diagram of the positional relationship between the telescopic mechanism and the fixed structure of the present invention;

[0027] Figure 4 It is a schematic diagram of the installation position of the second transmission motor of the present invention;

[0028] Figure 5 It is a schematic diagram of the fixed structure of the present invention;

[0029] Figure 6 It is a schematic diagram of the lateral movement mechanism of the present invention;

[0030] Figure 7 It is a schematic diagram of the installation relationship between the movable frame and the installation frame of the present invention;

[0031] Figure 8 The present invention Figure 7 Enlarged view of point A in the middle;

[0032] Fig. 9 It is a schematic diagram of the opening and closing mechanism of the present invention;

[0033] Fig.10 It is a schematic diagram of the lifting mechanism of the present invention;

[0034] Fig.11 The cutting mechanism of the present invention is schematically shown in FIG. Figure 1 ;

[0035] Fig.12 The cutting mechanism of the present invention is schematically shown in FIG. Figure 2 ;

[0036] Marked in the figure, 1-base, 2-telescopic mechanism, 3-fixing mechanism, 4-lateral moving mechanism, 5-lifting mechanism, 6-cutting mechanism, 7-opening and closing mechanism, 101-fixed plate, 102-movable plate, 103-installation plate, 104-support plate, 105-movable frame, 106-lifting member, 107-installation frame, 108-sealing ring, 109-bolt, 110-limiting plate, 201-fixing member, 202-end gear, 203-mounting seat, 204-rotating rod, 205-transmission gear, 206-first connecting arm, 207-second connecting arm, 208-first transmission motor, 301-rotating circle, 302-inner gear, 303-outer gear, 304-passive gear, 305-first clamping member, 306-main gear, 307-rack, 308-second transmission motor , 401-first screw rod, 402-first guide rod, 403-first stepping motor, 501-first screw rod, 502-guide rail, 503-first movable seat, 504-second movable seat, 505-first servo motor, 506-slide rail, 507-first sliding seat, 508-second sliding seat, 509-scissors rack, 601-guide seat, 602-second screw rod, 603-second stepping motor, 604-moving part, 605-first gear, 606-second gear, 607-third gear, 608-rotating gear ring, 609-electric push rod, 610-connecting seat, 611-first drive motor, 612-cutting knife, 613-second drive motor, 701-support block, 702-second screw rod, 703-second guide rod, 704-second servo motor, 705-cover plate. DETAILED DESCRIPTION

[0037] The present invention is further described below in conjunction with the accompanying drawings.

[0038] according to Figure 1-Figure 12As shown, the embodiment of the present application proposes a pipe cutting device, including a base 1, fixed plates 101 are relatively arranged on both sides of the top of the base 1, the inner side of the fixed plate 101 is connected to a movable plate 102 through a telescopic mechanism 2, a mounting plate 103 is arranged in the middle of the movable plate 102, a fixing mechanism 3 is arranged inside the mounting plate 103, the telescopic mechanism 2 is used to adjust the spacing between the fixing mechanisms 3 on both sides, the fixing mechanism 3 is used to clamp the end of the pipe and adapt to the outer diameter of the pipe to be cut, and two groups of support plates 104 are relatively arranged on the top of the base 1, the connection line of the two groups of support plates 104 is parallel to the connection line between the two fixed plates 101 and has a preset spacing, and the two groups of support plates 104 are connected by a lateral moving mechanism 4, and the lateral moving mechanism A movable frame 105 is movably provided, a lifting mechanism 5 is provided inside the movable frame 105, a lifting member 106 is provided at the lower end of the lifting mechanism 5, and a mounting frame 107 is provided at the bottom of the lifting member 106, the mounting frame 107 is provided with a through hole parallel to the connecting line of the two groups of the support plates 104, and the two openings of the mounting frame 107 through the through hole are detachably connected with a sealing ring 108, and the inner diameter of the sealing ring 108 is adapted to the outer diameter of the pipe to be cut; the lifting mechanism 5 is used to adjust the height of the mounting frame 107, the lateral moving mechanism 4 is used to adjust the horizontal position of the mounting frame 107, and a cutting mechanism 6 is provided inside the mounting frame 107, the cutting mechanism 6 is used to cut the pipe, and an opening and closing mechanism 7 is installed at the bottom of the mounting frame 107.

[0039] First of all, it should be stated that the telescopic mechanism 2, the lateral moving mechanism 4 and the lifting mechanism 5 can adjust the position of the installation frame 107 and the clamping position of the pipe to be cut to achieve stable and accurate clamping and cutting of the pipe, and the whole adjustment process is convenient and fast with high efficiency; the sealing ring 108 can be detachably arranged on the installation frame 107, and the sealing rings 108 with different inner diameters can be replaced to adapt to pipes with different outer diameters, and the fixing device of the mounting plate 103 can adapt to the fixing of pipes with different outer diameters, thereby improving adaptability; the setting of the installation frame 107 and the sealing ring 108 can ensure that the cutting process is carried out in a relatively closed space, thereby preventing cutting dust from entering the external environment, improving safety, and reducing the impact on human health, and the opening and closing mechanism can easily realize the cleaning of cutting waste in the installation frame.

[0040] The telescopic mechanism 2 is adjusted based on the length of the pipe, which can ensure that the fixing mechanisms 3 corresponding to the two fixing plates 101 can stably fix the two ends of the pipe, and the horizontal moving mechanism 4 can move the overall moving frame and the mounting frame 107 in the horizontal direction to accurately adjust the cutting position of the pipe. The lifting mechanism 5 can adjust the height position of the mounting hole to ensure that the position of the pipe and the cutting mechanism 6 match.

[0041] Specifically, the telescopic mechanism 2 includes a fixing member 201 installed on the inner side of the fixing plate 101, the fixing member 201 is rotatably provided with an end face gear 202, and the movable plate 102 is coaxial with the end face gear 202; the fixing member 201 is preferably provided with a plurality of mounting seats 203, the plurality of mounting seats 203 are located on the inner side of the end face gear 202 and are evenly arranged along the circumference of the end face gear 202, the mounting seat 203 is rotatably connected with a rotating rod 204 located in the radial direction of the end face gear 202, both ends of the rotating rod 204 pass through the mounting seat 203, and one end of the rotating rod 204 close to the end face gear 202 is connected with a transmission gear 205, The transmission gear 205 is meshed with the end face gear 202, and the end of the rotating rod 204 away from the end face gear 202 is hinged with a first connecting arm 206, and the end of the first connecting arm 206 away from the mounting seat 203 is hinged with a second connecting arm 207, and the end of the second connecting arm 207 away from the first connecting arm 206 is hinged to the outer wall of the movable plate 102, and multiple hinge points of the second connecting arms 207 and the movable plate 102 are circumferentially arranged on the fixed plate 101; the fixed plate 101 is fixedly provided with a first transmission motor 208, and the output end of the first transmission motor 208 is connected to any one of the transmission gears 205.

[0042] During actual operation, one group of transmission gears 205 is driven to rotate through the output end of the first transmission motor 208, and driven by the end gear 202, all the transmission gears 205 rotate synchronously, and then the first connecting arm 206 rotates, driving all the second connecting arms 207 to rotate synchronously, and the relative angle between the two connecting arms changes while achieving a telescopic effect, so that the movable plates 102 on both sides are close to or away from each other, changing the spacing between the fixing mechanisms 3 on both sides, so that the spacing is adapted to the length of the pipeline.

[0043] The fixing mechanism 3 comprises a rotating circle 301 coaxially rotatably arranged in the mounting plate 103, the inner wall and outer wall of the rotating circle 301 are respectively provided with an inner gear 302 and an outer gear 303, a main gear 306 and a plurality of passive gears 304 are rotatably arranged in the mounting plate 103, the main gear 306 is meshed with the outer gear 303, the plurality of passive gears 304 are arranged along the circumference of the inner gear 302 and are all meshed with the inner gear 302, a plurality of first clamping members 305 are slidably arranged in the mounting plate 103, and the plurality of first clamping members 305 are respectively arranged along the circumference of the mounting plate 103. The first clamping members 305 are evenly arranged and extend in the radial direction of the mounting disk 103. The plurality of first clamping members 305 correspond to the plurality of passive gears 304 one by one. A rack 307 is arranged on one side of the first clamping member 305 close to the passive gear 304. The extending direction of the rack 307 is consistent with the extending direction of the first clamping member 305. The rack 307 is meshed with the passive gear 304 at the corresponding position. A coaxial through hole is provided at the center of the mounting disk 103. The clamping end of the first clamping member 305 extends radially into the through hole.

[0044] The main gear 306 is driven to rotate through the output end of the second transmission motor 308, so that the outer gear 303, the rotating circle 301 and the inner gear 302 rotate as a whole, and then all the passive gears 304 rotate, so that the clamping member can move in the direction close to the rotating circle 301 or move away from the rotating circle 301301. When approaching, the end of the pipe is clamped.

[0045] The above-mentioned lateral movement mechanism 4 includes a first guide rod 402 and a first screw rod 401 connected between the two above-mentioned support plates 104 and parallel to each other. The above-mentioned first screw rod 401 is penetrated by the above-mentioned movable frame 105 and threadedly cooperated with the above-mentioned movable frame 105. The above-mentioned first guide rod 402 is slidably penetrated by the above-mentioned movable frame 105. Any of the above-mentioned support plates 104 is provided with a first stepper motor 403, and the output end of the above-mentioned first stepper motor 403 is connected to the above-mentioned first screw rod 401; the first screw rod 401 is driven to rotate by the output end of the first stepper motor 403, so that the movable frame 105 slides back and forth along the outer surface of the first guide rod 402, thereby changing the horizontal upward position of the movable frame 105.

[0046] The lifting mechanism 5 comprises a first screw rod 501 movably arranged on the movable frame 105, the threads on both sides of the first screw rod 501 are opposite, and a guide rail 502 parallel to the first screw rod 501 is arranged at the top of the movable frame 105, the first movable seat 503 and the second movable seat 504 are respectively threadedly sleeved on both sides of the first screw rod 501, the first movable seat 503 and the second movable seat 504 are both slidably connected to the guide rail 502, the first movable seat 503 and the second movable seat 504 are respectively hinged to the ends of the two support rods at the fixed end of the scissor frame 509, the ends of the two support rods at the lifting end of the scissor frame 509 are respectively connected to the first sliding seat 507 and the second sliding seat 508, the top of the lifting member 106 is provided with a slide rail 506, and the first sliding seat 507 and the second sliding seat 508 are both slidably connected to the slide rail 506. In addition, the bottom of the lifting member 106 is detachably arranged on the installation frame 107.

[0047] A slide rail 506 is fixedly installed on the top of the lifting member 106, and the first sliding seat 507 and the second sliding seat 508 are slidably connected at both ends of the outer surface of the slide rail 506. The top two sides of the scissors frame 509 are rotatably connected to the inside of the first movable seat 503 and the second movable seat 504, and the bottom two sides of the scissors frame 509 are rotatably connected to the inside of the first sliding seat 507 and the second sliding seat 508.

[0048] A sliding bar with a T-shaped cross-section is arranged at the bottom of the lifting member 106, and a T-shaped sliding groove is arranged at the top of the installation frame 107. The sliding bar slidably cooperates with the sliding groove, and a limiting plate 110 is arranged on the outer wall of the installation frame 107 for limiting the relative sliding of the sliding bar and the sliding groove. The limiting plate 110 is fixed to the outer wall of the installation frame 107 by bolts 109.

[0049] The first screw rod 501 is driven to rotate by the output end of the first servo motor 505, so that the first movable seat 503 and the second movable seat 504 are close to or away from each other. When they are close to each other, the scissors frame 509 is in an extended state, driving the first sliding seat 507 and the second sliding seat 508 to approach each other; and when they are away from each other, the scissors frame 509 is in a retracted state, driving the first sliding seat 507 and the second sliding seat 508 to move away from each other; by rotating the limit plate 110, the limit plate 110 no longer blocks the T-block in the T-slot, so that the staff can remove the installation frame 107, otherwise, the installation frame 107 can be installed.

[0050] The cutting mechanism 6 comprises a guide seat 601 connected to the inside of the mounting frame 107, a second screw rod 602 is rotatably arranged inside the guide seat 601 in the extension direction, a movable part 604 is threadedly sleeved on the outer side of the second screw rod 602, the sliding part is slidably connected to the guide seat 601, a second stepping motor 603 is arranged on the outer wall of the guide seat 601, the output end of the second stepping motor 603 is connected to the second screw rod 602, and the movable part 604 is provided with a cutting part.

[0051] The cutting member includes a first gear 605 and two second gears 606 rotatably arranged on the movable member 604. The two second gears 606 are respectively meshed with two sides of the first gear 605. The two second gears 606 are respectively meshed with third gears 607 rotatably connected to the movable member 604. The movable member 604 is also rotatably provided with a rotating ring gear 608. The third gear 607 is meshed with the rotating ring gear 608. The rotating ring gear 608 is fixedly connected with an electric push rod 60 arranged along the radial direction of the rotating ring gear 608. 9. The output end of the electric push rod 609 faces the center direction of the rotating gear ring 608 and is provided with a connecting seat 610, and the connecting seat 610 is provided with a cutting knife 612; the movable part 604 is provided with a second driving motor 613, and the output end of the second driving motor 613 is connected to the first gear 605; the connecting seat 610 is provided with a first driving motor 611, and the driving end of the first driving motor 611 is connected to the cutting knife 612. The inner ring side of the rotating gear ring 608 is a hollow part, and the hollow part is used for the pipe to be cut to penetrate.

[0052] The second screw rod 602 is driven to rotate by the output end of the second stepper motor 603, so that the movable part 604 slides back and forth along the outer surface of the guide rod. The installation position of the guide seat 601 is toward the longitudinal position of the guide seat 601, and the purpose is to change the longitudinal position of the cutting knife 612; the cutting knife 612 is driven to move in the direction close to the pipe by the output end of the electric push rod 609; the first gear 605 is driven to rotate by the output end of the second drive motor 613, so that the two groups of second gears 606 rotate synchronously with the same rotation direction, and the two groups of third gears 607 are driven to rotate synchronously with the same rotation direction, so that the rotating gear ring 608 rotates, thereby realizing cutting.

[0053] The above-mentioned opening and closing mechanism 7 includes a support block 701 arranged on the side wall of the above-mentioned installation frame 107, and the above-mentioned support block 701 is rotatably provided with a second screw rod 702, the threads on both sides of the above-mentioned second screw rod 702 have opposite rotation directions, and the two sides of the above-mentioned second screw rod 702 are respectively threadedly sleeved with cover plates 705, and the above-mentioned support block 701 is provided with a second servo motor 704, and the output end of the above-mentioned second servo motor 704 is connected to the above-mentioned second screw rod 702.

[0054] The second screw 702 is driven to rotate by the output end of the second servo motor 704, so that the two sets of cover plates 705 are moved closer to or farther away from each other. When they are moved closer, the bottom of the installation frame 107 is closed, and when they are moved away, the top of the installation frame 107 is opened.

[0055] The working principle of the device is as follows: the output end of the second transmission motor 308 on one side drives the main gear 306 to rotate, so that the outer gear 303, the rotating circle 301 and the inner gear 302 rotate as a whole, and then all the passive gears 304 rotate, so that the clamping member can move in the direction close to the rotating circle 301 or move away from the rotating circle 301, and when approaching, clamp one end of the pipe; secondly, the output end of the first servo motor 505 drives the first screw 501 to rotate, so that the first movable seat 503 and the second movable seat 504 are mutually When approaching or moving away, the scissor frame 509 is in an extended state, driving the first sliding seat 507 and the second sliding seat 508 to approach each other, so that the installation frame 107 moves downward, so that the height of the installation frame 107 is adapted to the pipeline; the output end of the first stepper motor 403 drives the first screw rod 401 to rotate, so that the movable frame 105 slides back and forth along the outer surface of the first guide rod 402, so that the installation frame 107 is sleeved on the outer surface of the pipeline, and the sealing ring 108 is detachable. The sealing ring 108 that is adapted is selected according to the outer diameter of the pipeline; then, the first screw rod 401 is driven to rotate by the output end of the first stepper motor 403 ... first screw rod 401 is driven to rotate by the output end of the first stepper motor 403, so that the movable frame 105 The output end of a transmission motor 208 drives one group of transmission gears 205 to rotate, and driven by the end gear 202, all the transmission gears 205 rotate synchronously, and then the first connecting arm 206 rotates, driving all the second connecting arms 207 to rotate synchronously, so that the movable plates 102 on both sides are close to each other, so that the fixing mechanism 3 on the other side clamps the other end of the pipe; the output end of the second stepping motor 603 drives the second screw rod 602 to rotate, so that the movable member 604 slides back and forth along the outer surface of the guide rod, so that the pipe is located inside the guide seat 601 The output end of the second driving motor 613 drives the first gear 605 to rotate, so that the two groups of second gears 606 rotate synchronously and in the same direction, driving the two groups of third gears 607 to rotate synchronously and in the same direction, so that the rotating ring gear 608 rotates, thereby achieving cutting, and the cut waste chips fall into the inside of the installation frame 107 to prevent the chips from flying. The output end of the second servo motor 704 drives the second screw 702 to rotate, so that the two groups of cover plates 705 move away from each other, and the top of the installation frame 107 is opened to facilitate the staff to collect the chips.

Claims

1. A pipe cutting device, characterized in that: The invention comprises a base (1), wherein two sides of the top of the base (1) are provided with fixed plates (101) opposite to each other, the inner side of the fixed plate (101) is connected to a movable plate (102) via a telescopic mechanism (2), a mounting plate (103) is provided in the middle of the movable plate (102), a fixing mechanism (3) is provided inside the mounting plate (103), the telescopic mechanism (2) is used to adjust the spacing between the fixing mechanisms (3) on both sides, the fixing mechanism (3) is used to clamp the end of the pipe and is adapted to the outer diameter of the pipe to be cut, two groups of support plates (104) are also provided opposite to each other at the top of the base (1), the connection line of the two groups of support plates (104) is parallel to the connection line between the two fixed plates (101) and has a preset spacing, a lateral moving mechanism (4) is provided between the two groups of support plates (104), and the lateral moving mechanism (4) is movably provided with a movable frame (104) 05), a lifting mechanism (5) is arranged inside the movable frame (105), a lifting member (106) is arranged at the lower end of the lifting mechanism (5), and a mounting frame (107) is arranged at the bottom of the lifting member (106), the mounting frame (107) is provided with a through hole parallel to the connecting line of the two groups of support plates (104), and the two openings of the through hole passing through the mounting frame (107) are both detachably connected with a sealing ring (108), and the inner diameter of the sealing ring (108) is adapted to the outer diameter of the pipe to be cut; the lifting mechanism (5) is used to adjust the height of the mounting frame (107), the lateral moving mechanism (4) is used to adjust the horizontal position of the mounting frame (107), and a cutting mechanism (6) is arranged inside the mounting frame (107), and the cutting mechanism (6) is used to cut the pipe, and an opening and closing mechanism (7) is installed at the bottom of the mounting frame (107).

2. A pipe cutting device according to claim 1, characterized in that: The movable plate (102) is disc-shaped, and the telescopic mechanism (2) comprises a fixing member (201) mounted on the inner side of the fixing plate (101), and the fixing member (201) is rotatably provided with an end face gear (202), and the movable plate (102) and the end face gear (202) are coaxial; the fixing member (201) is preferably provided with a plurality of mounting seats (203), and the plurality of mounting seats (203) are located on the inner side of the end face gear (202) and are evenly arranged along the circumference of the end face gear (202), and the mounting seat (203) is rotatably connected to a rotating rod (204) located in the radial direction of the end face gear (202), and both ends of the rotating rod (204) pass through the mounting seat (203), and one end of the rotating rod (204) close to the end face gear (202) is connected to a transmission The gear (205) is meshed with the end face gear (202); one end of the rotating rod (204) away from the end face gear (202) is hinged with a first connecting arm (206); one end of the first connecting arm (206) away from the mounting seat (203) is hinged with a second connecting arm (207); one end of the second connecting arm (207) away from the first connecting arm (206) is hinged to the outer wall of the movable plate (102); a plurality of hinge points of the second connecting arms (207) and the movable plate (102) are arranged along the circumference of the fixed plate (101); and a first transmission motor (208) is fixedly arranged on the fixed plate (101); the output end of the first transmission motor (208) is connected to any one of the transmission gears (205).

3. A pipe cutting device according to claim 1, characterized in that: The fixing mechanism (3) comprises a rotating circle (301) coaxially rotatably arranged in the mounting plate (103), the inner wall and outer wall of the rotating circle (301) are respectively provided with an internal gear (302) and an external gear (303), a main gear (306) and a plurality of passive gears (304) are rotatably arranged in the mounting plate (103), the main gear (306) meshes with the external gear (303), the plurality of passive gears (304) are arranged along the circumference of the internal gear (302) and are all meshed with the internal gear (302), a plurality of first clamping members (305) are slidably arranged in the mounting plate (103), and the plurality of first clamping members (305) are respectively arranged along the mounting plate ( 103) are evenly arranged in the circumferential direction and the extension direction of the first clamping member (305) is the radial direction of the installation disk (103), and multiple first clamping members (305) correspond to multiple passive gears (304) one by one. A rack (307) is arranged on the side of the first clamping member (305) close to the passive gear (304), and the extension direction of the rack (307) is consistent with the extension direction of the first clamping member (305). The rack (307) is meshed with the passive gear (304) at the corresponding position, and a coaxial through hole is opened at the center position of the installation disk (103), and the clamping end of the first clamping member (305) extends radially into the through hole along the through hole.

4. A pipe cutting device according to claim 1, characterized in that: The lateral moving mechanism (4) comprises a first guide rod (402) and a first screw rod (401) connected between the two support plates (104) and parallel to each other, the first screw rod (401) being passed through the movable frame (105) and threadedly engaged with the movable frame (105), the first guide rod (402) being slidably passed through the movable frame (105), any one of the support plates (104) being provided with a first stepper motor (403), the output end of the first stepper motor (403) being connected to the first screw rod (401).

5. A pipe cutting device according to claim 1, characterized in that: The lifting mechanism (5) comprises a first screw rod (501) movably arranged on the movable frame (105), the threads on both sides of the first screw rod (501) are opposite, and a guide rail (502) parallel to the first screw rod (501) is arranged at the top of the movable frame (105), and the first movable seat (503) and the second movable seat (504) are respectively threadedly sleeved on both sides of the first screw rod (501), and the first movable seat (503) and the second movable seat (504) are both slidably connected to the guide rail. The first movable seat (503) and the second movable seat (504) are respectively hinged to the ends of two supporting rods at the fixed end of the scissors frame (509), the ends of the two supporting rods at the lifting end of the scissors frame (509) are respectively connected to the first sliding seat (507) and the second sliding seat (508), the top of the lifting member (106) is provided with a sliding rail (506), and the first sliding seat (507) and the second sliding seat (508) are both slidably connected to the sliding rail (506).

6. A pipe cutting device according to claim 5, characterized in that: The bottom of the lifting member (106) is detachably arranged on the installation frame (107).

7. A pipe cutting device according to claim 6, characterized in that: A slide bar with a T-shaped cross section is arranged at the bottom of the lifting member (106), and a T-shaped slide groove is arranged at the top of the installation frame (107). The slide bar and the slide groove are slidably matched, and a limit plate (110) is arranged on the outer wall of the installation frame (107) for limiting the relative sliding of the slide bar and the slide groove. The limit plate (110) is fixed to the outer wall of the installation frame (107) by bolts (109).

8. A pipe cutting device according to claim 1, characterized in that: The cutting mechanism (6) comprises a guide seat (601) connected to the inside of the installation frame (107); a second screw rod (602) is rotatably arranged inside the guide seat (601) in an extension direction; a movable part (604) is threadedly sleeved on the outer side of the second screw rod (602); the sliding part is slidably connected to the guide seat (601); a second stepping motor (603) is arranged on the outer wall of the guide seat (601); an output end of the second stepping motor (603) is connected to the second screw rod (602); and the movable part (604) is provided with a cutting part.

9. A pipe cutting device according to claim 8, characterized in that: The cutting member comprises a group of first gears (605) and two groups of second gears (606) rotatably arranged on the movable member (604); the two groups of second gears (606) are respectively meshed with two sides of the first gear (605); the two groups of second gears (606) are respectively meshed with third gears (607) rotatably connected to the movable member (604); the movable member (604) is also rotatably arranged with a rotating ring gear (608); the third gear (607) is meshed with the rotating ring gear (608); the rotating ring gear (608) is fixedly connected with an electric push rod (607) radially arranged on the rotating ring gear (608); 9), the output end of the electric push rod (609) faces the center direction of the rotating gear ring (608) and is provided with a connecting seat (610), and the connecting seat (610) is provided with a cutting knife (612); the movable part (604) is provided with a second driving motor (613), and the output end of the second driving motor (613) is connected to the first gear (605); the connecting seat (610) is provided with a first driving motor (611), and the driving end of the first driving motor (611) is connected to the cutting knife (612), and the inner ring side of the rotating gear ring (608) is a hollow part, and the hollow part is used for the pipe to be cut to penetrate.

10. A pipe cutting device according to claim 1, characterized in that: The opening and closing mechanism (7) comprises a support block (701) arranged on the side wall of the installation frame (107); the support block (701) is rotatably provided with a second screw rod (702); the threads on both sides of the second screw rod (702) have opposite rotation directions; and cover plates (705) are respectively threadedly sleeved on both sides of the second screw rod (702); the support block (701) is provided with a second servo motor (704); and the output end of the second servo motor (704) is connected to the second screw rod (702).

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