Polyethylene double-wall corrugated pipe end cutting device and cutting method thereof

Abstract

The application discloses a polyethylene double-wall corrugated pipe end cutting device, which comprises a bottom plate, support blocks are fixedly connected to the top of the bottom plate, adjusting seats are fixedly connected to the top of the support blocks, polyethylene double-wall corrugated pipes are arranged on the top of the adjusting seats, driving devices are fixedly connected to the top of the bottom plate and close to both ends, moving seats are arranged on the top of the driving devices, the driving devices drive the moving seats to move along the length direction of the polyethylene double-wall corrugated pipes, first support columns are vertically and fixedly connected to the top of the moving seats, guide columns are fixedly connected to the top of the first support columns, second support columns are slidably connected to the surface of the guide columns, and cutting devices are fixedly connected to the top of the second support columns. The polyethylene double-wall corrugated pipe end cutting device and the cutting method thereof solve the problem that existing cutting tools need to rotate pipes during cutting, improve the cutting efficiency, and ensure the flatness of a cutting surface.

Description

Technical Field

[0001] The present invention relates to the field of cutting technology, in particular to a polyethylene double-wall corrugated pipe end cutting device and a cutting method thereof. Background Art

[0002] Polyethylene double-wall corrugated pipe is made from high-density polyethylene (HDPE) and manufactured through three processes: forming, cutting, and expanding. It features a smooth inner wall and an annular corrugated outer wall. Primarily used for underground drainage and sewage treatment, it is a practical application where pipes need to be cut to varying lengths. Existing cutting methods typically involve table sawing, with manual handheld cutting tools used for temporary cuts at construction sites. Whether cutting with a table saw or manually, the thicker pipes require rotation during the cutting process, which can lead to uneven cut surfaces. Furthermore, rotation is inconvenient for longer pipes, resulting in low cutting efficiency. Summary of the Invention

[0003] (1) Technical problems solved

[0004] In response to the deficiencies of the prior art, the present invention provides a polyethylene double-wall corrugated pipe end cutting device and cutting method, which solves the problem that the existing cutting tools need to rotate the pipe during cutting, improves cutting efficiency, and ensures a smooth cut surface.

[0005] (2) Technical solution

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: a polyethylene double-wall corrugated pipe end cutting device, comprising a base plate, support blocks are fixedly connected to the top two sides of the base plate, an adjustment seat is fixedly connected to the top of the support block, a polyethylene double-wall corrugated pipe is provided on the top of the adjustment seat, a driving device is fixedly connected to the top of the base plate and near the two ends, a movable seat is provided on the top of the driving device, and the driving device drives the movable seat to move along the length direction of the polyethylene double-wall corrugated pipe, a first support column is vertically fixedly connected to the top of the movable seat, guide columns are fixedly connected to the two sides of the top of the first support column, a second support column is slidably connected to the surface of the guide column, and a cutting device is fixedly connected to the top of the second support column;

[0007] The cutting device includes a circular ring plate and a box body, sliding grooves are provided on both sides of the circular ring plate, annular protrusions adapted to the sliding grooves are provided on both sides of the inner wall of the box body, the circular ring plate is slidably connected to the box body, a fixed cylinder is fixedly connected to the surface of the circular ring plate, a rotating arm is rotatably connected to the surface of the fixed cylinder, one end of the rotating arm is rotatably connected to a first rotating shaft, one end of the first rotating shaft is fixedly connected to a cutting blade, and the other end of the first rotating shaft is fixedly connected to a first transmission wheel;

[0008] Preferably, the surface of the fixed cylinder is rotatably connected to a fixed gear, one side of the fixed gear is fixedly connected to the rotating arm, one side of the circular ring plate is slidably connected to an internal gear ring, the fixed gear is meshed with the internal gear ring, one side of the circular ring plate is fixedly connected to a first motor, the output shaft end of the first motor is fixedly connected to a first transmission gear, the circumferential side of the internal gear ring is provided with a first fixed tooth, the first transmission gear meshes with the first fixed tooth for transmission, the circumferential side of the circular ring plate is provided with a second fixed tooth, a second motor is provided on one side of the bottom of the inner wall of the box, the output shaft end of the second motor is fixedly connected to the second transmission gear, and the second transmission gear meshes with the second fixed tooth for transmission.

[0009] Preferably, a second rotating shaft is rotatably connected in the fixed cylinder, one end of the second rotating shaft is fixedly connected to a sprocket, the other end of the second rotating shaft is fixedly connected to a second transmission wheel, and a transmission belt is connected between the first transmission wheel and the second transmission wheel.

[0010] Preferably, there are four fixed cylinders evenly distributed on the surface of the circular plate, a third motor is provided on one side of the circular plate, a third transmission wheel is provided on the output shaft end of the third motor, and a chain is connected between the third transmission wheel and the sprocket.

[0011] Preferably, a hydraulic cylinder is provided between the top of the first support column and the second support column.

[0012] Preferably, a fixing seat is provided on one side of the cutting device, and four fixing seats are provided and evenly distributed in a ring on one side of the cutting device. An electric push rod is provided on one side of the fixing seat, and a clamping piece is provided at one end of the electric push rod.

[0013] Preferably, the adjustment seat includes a base, the top of the base is slidably connected to a movable platform, two movable platforms are provided, one side of the movable platform is rotatably connected to a wheel seat, the surface of the wheel seat is provided with a supporting wheel, the top two sides of the base are fixedly connected to a fixing plate, the fixing plate is internally threadedly connected to an adjusting rod, one end of the adjusting rod is movably connected to the movable platform, and the other end of the adjusting rod is fixedly connected to an adjusting wheel.

[0014] A cutting method for a polyethylene double-wall corrugated pipe end cutting device, applicable to the above-mentioned cutting device, comprises the following steps:

[0015] Step 1: Turn the adjustment wheel to adjust the spacing of the mobile platform and place the polyethylene double-wall corrugated pipe on the top of the mobile platform;

[0016] Step 2: Adjust the height of the cutting device by the hydraulic cylinder so that the center of the circular plate coincides with the center of the polyethylene double-wall corrugated pipe, and start the driving device so that the cutting device passes through the polyethylene double-wall corrugated pipe;

[0017] Step 3: Start the electric push rod to make the clamping piece clamp the polyethylene double-wall corrugated pipe;

[0018] Step 4: Start the cutting device and complete the cutting.

[0019] Preferably, in step 4, the third motor is started, and the second rotating shaft is driven to rotate through the chain transmission, thereby driving the cutting blade to rotate through the transmission belt to achieve cutting of the polyethylene double-wall corrugated pipe. At the same time, the first motor drives the fixed gear to rotate through the first transmission gear, so that the rotating arm rotates around the fixed cylinder to increase the cutting depth. The second motor is used to drive the second transmission gear to rotate, and the circular ring plate is driven to rotate through the meshing transmission to cut the peripheral side of the polyethylene double-wall corrugated pipe.

[0020] (3) Beneficial effects

[0021] The present invention provides a polyethylene double-wall corrugated pipe end cutting device and cutting method, which have the following beneficial effects:

[0022] The adjustment seat can adapt to corrugated pipes of different diameters, and the clamping piece is used to fix the corrugated pipe to avoid shaking of the corrugated pipe during the cutting process. Four cutting discs are used to cut the pipe at the same time, which improves the cutting efficiency. At the same time, the rotation of the circular ring plate during the cutting process can realize cutting of the entire circumference of the corrugated pipe, avoiding the rotation of the corrugated pipe, improving work efficiency and ensuring the neatness of the cut surface. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0024] Figure 2 For the present invention Figure 1 Enlarged view of point A in the middle;

[0025] Figure 3 It is a schematic structural diagram of the cutting device of the present invention;

[0026] Figure 4 This is a structural diagram of one side of the circular ring plate of the present invention;

[0027] Figure 5 This is a schematic diagram of the connection between the rotating arm and the circular ring plate of the present invention;

[0028] Figure 6 It is a structural schematic diagram of the adjustment seat of the present invention.

[0029] In the figure: 1-base plate, 2-support block, 3-adjusting seat, 31-base, 32-moving platform, 33-wheel seat, 34-support wheel, 35-fixed plate, 36-adjusting rod, 37-adjusting wheel, 4-polyethylene double-wall corrugated pipe, 5-driving device, 6-moving seat, 7-first support column, 8-guide column, 9-second support column, 10-cutting device, 101-circular plate, 102-fixed cylinder, 103-fixed gear, 104-rotating arm, 105-second rotating shaft, 106-sprocket, 107-second transmission wheel , 108-first rotating shaft, 109-first transmission wheel, 1010-cutting disc, 1011-transmission belt, 1012-inner gear ring, 1013-first motor, 1014-first transmission gear, 1015-third motor, 1016-chain, 1017-box, 1018-sliding groove, 1019-second motor, 1020-second transmission gear, 1021-first fixed tooth, 1022-second fixed tooth, 11-hydraulic cylinder, 12-fixed seat, 13-electric push rod, 14-clamping plate. DETAILED DESCRIPTION

[0030] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0031] See also Figure 1-6 The present invention provides a technical solution: a polyethylene double-wall corrugated pipe end cutting device, comprising a base plate 1, support blocks 2 are fixedly connected to both sides of the top of the base plate 1, an adjustment seat 3 is fixedly connected to the top of the support block 2, a polyethylene double-wall corrugated pipe 4 is arranged on the top of the adjustment seat 3, a driving device 5 is fixedly connected to the top of the base plate 1 and near the two ends, the driving device 5 adopts a ball screw structure, a movable seat 6 is arranged on the top of the driving device 5, and the driving device 5 drives the movable seat 6 to move along the length direction of the polyethylene double-wall corrugated pipe 4, so that it can be moved to the position where cutting is required;

[0032] The top of the movable seat 6 is vertically fixedly connected to the first support column 7, the top of the first support column 7 is fixedly connected to the two sides of the guide column 8, the surface of the guide column 8 is slidably connected to the second support column 9, the top of the second support column 9 is fixedly connected to the cutting device 10, and a hydraulic cylinder 11 is arranged between the top of the first support column 7 and the second support column 9. By adjusting the hydraulic cylinder 11, the height of the cutting device 10 can be adjusted to adapt to different pipe diameters.

[0033] The cutting device 10 includes a circular plate 101 and a box body 1017. Sliding grooves 1018 are provided on both sides of the circular plate 101. An annular protrusion adapted to the sliding grooves 1018 is provided on both sides of the inner wall of the box body 1017. The annular protrusion extends into the sliding grooves 1018 to realize the sliding connection between the circular plate 101 and the box body 1017. The surface of the circular plate 101 is fixedly connected to the fixed cylinder 102. The surface of the fixed cylinder 102 is rotatably connected to the rotating arm 104. One end of the rotating arm 104 is rotatably connected to the first rotating shaft 108. The first rotating shaft 108 is connected to the first rotating shaft 108. One end of the rotating shaft 108 is fixedly connected to the cutting blade 1010, the other end of the first rotating shaft 108 is fixedly connected to the first transmission wheel 109, the second rotating shaft 105 is rotatably connected in the fixed cylinder 102, one end of the second rotating shaft 105 is fixedly connected to the sprocket 106, the other end of the second rotating shaft 105 is fixedly connected to the second transmission wheel 107, a transmission belt 1011 is connected between the first transmission wheel 109 and the second transmission wheel 107, and the cutting blade 1010 is driven to rotate by the transmission belt 1011 through the rotation of the sprocket 106;

[0034] The surface of the fixed cylinder 102 is rotatably connected to a fixed gear 103, one side of the fixed gear 103 is fixedly connected to the rotating arm 104, one side of the circular ring plate 101 is slidably connected to an inner gear ring 1012, the fixed gear 103 is meshed with the inner gear ring 1012, one side of the circular ring plate 101 is fixedly connected to a first motor 1013, the output shaft end of the first motor 1013 is fixedly connected to a first transmission gear 1014, the circumference of the inner gear ring 1012 is provided with a first fixed tooth 1021, the first transmission gear 1014 is meshed with the first fixed tooth 1021 for transmission, the first motor 1013 drives the inner gear ring 1012 to rotate through meshing transmission, so that the inner gear ring 1012 drives the fixed gear 103 to rotate, so that the rotating arm 104 rotates around the fixed cylinder 102, and the cutting depth is adjusted;

[0035] A second fixed tooth 1022 is provided on the circumferential side of the circular plate 101, and a second motor 1019 is provided on one side of the bottom inner wall of the box body 1017. The output shaft end of the second motor 1019 is fixedly connected to the second transmission gear 1020. The second transmission gear 1020 is engaged with the second fixed tooth 1022 for transmission, driving the circular plate 101 to rotate around its center to achieve full-circle cutting. Since there are four fixed cylinders 102, the circular plate 101 can complete the full-circle cutting by rotating at most 90 degrees.

[0036] There are four fixed cylinders 102 that are evenly distributed in an annular shape on the surface of the circular plate 101. A third motor 1015 is provided on one side of the circular plate 101. A third transmission wheel is provided at the output shaft end of the third motor 1015. A chain 1016 is connected between the third transmission wheel and the sprocket 106 to realize the simultaneous rotation of the four cutting blades.

[0037] A fixing seat 12 is provided on one side of the cutting device 10. Four fixing seats 12 are provided and are evenly distributed in a ring on one side of the cutting device 10. An electric push rod 13 is provided on one side of the fixing seat 12. A clamping piece 14 is provided at one end of the electric push rod 13 to clamp the pipe.

[0038] The adjusting seat 3 includes a base 31, and a movable platform 32 is slidably connected to the top of the base 31. There are two movable platforms 32, and one side of the movable platform 32 is rotatably connected to a wheel seat 33. The surface of the wheel seat 33 is provided with a supporting wheel 34. Fixed plates 35 are fixedly connected to both sides of the top of the base 31, and an adjusting rod 36 is internally threadedly connected to the fixing plate 35. One end of the adjusting rod 36 is movably connected to the movable platform 32, and the other end of the adjusting rod 36 is fixedly connected to the adjusting wheel 37. The adjusting rod 36 is fixedly connected to the movable platform 32 in its axial direction and rotatably connected to the movable platform 32 in its circumferential direction. Therefore, when the adjusting rod 36 is rotated, the corresponding movable platform 32 can move along the axial direction of the adjusting rod 36.

[0039] A cutting method for a polyethylene double-wall corrugated pipe end cutting device, applicable to the aforementioned cutting device, comprises the following steps:

[0040] Step 1: Turn the adjustment wheel to adjust the spacing of the mobile platform and place the polyethylene double-wall corrugated pipe on the top of the mobile platform;

[0041] Step 2: Adjust the height of the cutting device by the hydraulic cylinder so that the center of the circular plate coincides with the center of the polyethylene double-wall corrugated pipe, and start the driving device so that the cutting device passes through the polyethylene double-wall corrugated pipe;

[0042] Step 3: Start the electric push rod to make the clamping piece clamp the polyethylene double-wall corrugated pipe;

[0043] Step 4: Start the cutting device and complete the cutting.

[0044] In step 4, the third motor is started, and the second rotating shaft is driven to rotate through the chain transmission, thereby driving the cutting blade to rotate through the transmission belt to achieve cutting of the polyethylene double-wall corrugated pipe. At the same time, the first motor drives the fixed gear to rotate through the first transmission gear, so that the rotating arm rotates around the fixed cylinder to increase the cutting depth. The second motor is used to drive the second transmission gear to rotate, and the circular plate is driven to rotate through the meshing transmission to cut the circumferential side of the polyethylene double-wall corrugated pipe.

[0045] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a..." does not exclude the presence of additional identical elements in the process, method, article, or device comprising the element.

[0046] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A polyethylene double-wall corrugated pipe end cutting device, comprising a bottom plate, characterized in that: The top of the bottom plate is fixedly connected to support blocks on both sides, and the top of the support block is fixedly connected to an adjusting seat, and a polyethylene double-wall corrugated pipe is provided on the top of the adjusting seat. A driving device is fixedly connected to the top of the bottom plate and near both ends. A movable seat is provided on the top of the driving device, and the driving device drives the movable seat to move along the length direction of the polyethylene double-wall corrugated pipe. The top of the movable seat is vertically fixedly connected to a first support column, and the top two sides of the first support column are fixedly connected to guide columns, and the surface of the guide column is slidably connected to a second support column, and the top of the second support column is fixedly connected to a cutting device; The cutting device includes a circular ring plate and a box body, sliding grooves are provided on both sides of the circular ring plate, annular protrusions adapted to the sliding grooves are provided on both sides of the inner wall of the box body, the circular ring plate is slidably connected to the box body, a fixed cylinder is fixedly connected to the surface of the circular ring plate, a rotating arm is rotatably connected to the surface of the fixed cylinder, one end of the rotating arm is rotatably connected to a first rotating shaft, one end of the first rotating shaft is fixedly connected to a cutting blade, and the other end of the first rotating shaft is fixedly connected to a first transmission wheel; The surface of the fixed cylinder is rotatably connected to a fixed gear, one side of the fixed gear is fixedly connected to the rotating arm, one side of the circular ring plate is slidably connected to an internal gear ring, the fixed gear is meshed with the internal gear ring, one side of the circular ring plate is fixedly connected to a first motor, the output shaft end of the first motor is fixedly connected to a first transmission gear, the circumferential side of the internal gear ring is provided with a first fixed tooth, the first transmission gear meshes with the first fixed tooth for transmission, the circumferential side of the circular ring plate is provided with a second fixed tooth, a second motor is provided on one side of the bottom of the inner wall of the box, the output shaft end of the second motor is fixedly connected to the second transmission gear, and the second transmission gear meshes with the second fixed tooth for transmission; A second rotating shaft is rotatably connected in the fixed cylinder, one end of the second rotating shaft is fixedly connected to a sprocket, the other end of the second rotating shaft is fixedly connected to a second transmission wheel, and a transmission belt is connected between the first transmission wheel and the second transmission wheel; The fixing cylinders are provided with four and are evenly distributed on the surface of the annular plate. A third motor is provided on one side of the annular plate. A third transmission wheel is provided on the output shaft end of the third motor. A chain is connected between the third transmission wheel and the sprocket. A hydraulic cylinder is provided between the top of the first support column and the second support column; The adjustment seat includes a base, the top of the base is slidably connected to a mobile platform, two mobile platforms are provided, one side of the mobile platform is rotatably connected to a wheel seat, the surface of the wheel seat is provided with a supporting wheel, the top two sides of the base are fixedly connected to a fixing plate, the fixing plate is internally threadedly connected to an adjusting rod, one end of the adjusting rod is movably connected to the mobile platform, and the other end of the adjusting rod is fixedly connected to the adjusting wheel.

2. The polyethylene double-wall corrugated pipe end cutting device according to claim 1, characterized in that: A fixing seat is provided on one side of the cutting device. There are four fixing seats that are evenly distributed in an annular shape on one side of the cutting device. An electric push rod is provided on one side of the fixing seat. A clamping piece is provided on one end of the electric push rod.

3. The cutting method of the polyethylene double-wall corrugated pipe end cutting device according to claim 2, characterized in that: The following steps are involved: Step 1: Turn the adjustment wheel to adjust the spacing of the mobile platform and place the polyethylene double-wall corrugated pipe on the top of the mobile platform; Step 2: Adjust the height of the cutting device by the hydraulic cylinder so that the center of the circular plate coincides with the center of the polyethylene double-wall corrugated pipe, and start the driving device so that the cutting device passes through the polyethylene double-wall corrugated pipe; Step 3: Start the electric push rod to make the clamping piece clamp the polyethylene double-wall corrugated pipe; Step 4: Start the cutting device and complete the cutting.

4. The cutting method of the polyethylene double-wall corrugated pipe end cutting device according to claim 3, characterized in that: In step 4, the third motor is started, and the second rotating shaft is driven to rotate through the chain transmission, thereby driving the cutting blade to rotate through the transmission belt to achieve cutting of the polyethylene double-wall corrugated pipe. At the same time, the first motor drives the fixed gear to rotate through the first transmission gear, so that the rotating arm rotates around the fixed cylinder to increase the cutting depth. The second motor is used to drive the second transmission gear to rotate, and the circular plate is driven to rotate through the meshing transmission to cut the circumferential side of the polyethylene double-wall corrugated pipe.

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