Spiral steel pipe cutting device

Abstract

The utility model discloses a spiral steel pipe cutting device, which relates to the field of spiral steel pipe processing and comprises a cutting table, a cutting component arranged at the top of the cutting table, two second hydraulic cylinders connected to the top of the cutting table, a fixing frame connected to the output ends of the second hydraulic cylinders, and a fourth hydraulic cylinder connected in the fixing frame. The bottom of the fourth hydraulic cylinder is connected with an arc-shaped clamping plate, and the bottom of the cutting table is connected with a U-shaped frame. A third hydraulic cylinder is used for pushing two grinding discs to be located at notches of two spiral steel pipes, the cut spiral steel pipes abut against the grinding discs, a second motor is used for driving a second belt wheel to rotate, the second belt wheel drives a first belt wheel to rotate through a transmission belt, and the first belt wheel drives a rotating shaft to rotate. And the rotating shaft drives the two grinding discs to rotate, so that the sections of the cut spiral steel pipes can be ground, the transfer time is shortened, and the problem that workers are injured in the transfer process can be avoided.

Description

Technical Field

[0001] The utility model relates to the field of spiral steel pipe processing, in particular to a spiral steel pipe cutting device. Background Art

[0002] The spiral steel pipe is made of steel coils, extruded at room temperature, and welded by automatic double-wire double-sided submerged arc welding. The spiral steel pipe feeds the steel strip into the welding pipe unit, and after multiple roller rolling, the steel strip is gradually rolled up to form a round tube with an open gap. The pressing amount of the extrusion roller is adjusted to control the weld gap to 1-3mm, and the two ends of the weld are flush.

[0003] At present, when cutting spiral steel pipes, saw blades are mostly used for direct cutting. After the saw blades are used for cutting, burrs are easily generated on the cut surface of the spiral steel pipe, and the cut surface is relatively sharp. After the cutting is completed, the cut spiral steel pipes need to be transported and polished, which is too inconvenient. In addition, during the transportation process, the cut spiral steel pipes are prone to accidentally injure the staff.

[0004] Therefore, it is necessary to invent a spiral steel pipe cutting device to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a spiral steel pipe cutting device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a spiral steel pipe cutting device, comprising a cutting table, a cutting assembly is arranged on the top of the cutting table, two second hydraulic cylinders are connected to the top of the cutting table, the output end of the second hydraulic cylinder is connected to a fixed frame, a fourth hydraulic cylinder is connected inside the fixed frame, an arc-shaped clamping plate is connected to the bottom of the fourth hydraulic cylinder, a U-shaped frame is connected to the bottom of the cutting table, and a grinding assembly is arranged on the top of the U-shaped frame.

[0007] Preferably, the cutting assembly includes an L-shaped bracket connected to the top of the cutting table, the bottom of the L-shaped bracket is connected to a first hydraulic cylinder, the bottom of the first hydraulic cylinder is connected to a first motor, and the output end of the first motor is connected to a saw blade.

[0008] Preferably, support legs are fixedly connected to the four corners of the bottom of the cutting table.

[0009] Preferably, a sliding block is connected to the bottom of the fixing frame, and a sliding groove corresponding to the sliding block is formed on the top of the cutting table.

[0010] Preferably, the grinding assembly includes a third hydraulic cylinder connected to the top of the U-shaped frame, the top of the third hydraulic cylinder is connected to a support plate, the bottom of the cutting table is provided with an opening corresponding to the support plate, the top of the support plate is connected to a rectangular frame, a rotating shaft is connected inside the rectangular frame, both ends of the rotating shaft are connected to grinding discs, the outer wall of the rotating shaft is connected to a first pulley, the top of the support plate is connected to a second motor, the output end of the second motor is connected to a second pulley, and a transmission belt is connected between the second pulley and the first pulley.

[0011] Preferably, a dust cover is provided on the outer side of the second motor, and the dust cover is connected to the side wall of the rectangular frame.

[0012] Technical effects and advantages of the utility model:

[0013] By using the third hydraulic cylinder to push two grinding discs to the incisions of the two spiral steel pipes, the cut spiral steel pipes are placed against the grinding discs, and by using the second motor to drive the second pulley to rotate, the second pulley drives the first pulley to rotate through the transmission belt, the first pulley drives the rotating shaft to rotate, and the rotating shaft drives the two grinding discs to rotate, the cut surfaces of the spiral steel pipes can be grinded, thereby reducing the transportation time and avoiding the problem of injuries to the staff during the transportation process. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 For this utility model Figure 1 A schematic diagram of the enlarged structure of part A;

[0016] Figure 3 It is a side structural schematic diagram of the fixing frame of the utility model.

[0017] In the figure: 1. cutting table; 2. cutting assembly; 21. L-shaped bracket; 22. first hydraulic cylinder; 23. first motor; 24. saw blade; 3. second hydraulic cylinder; 4. fixed frame; 5. fourth hydraulic cylinder; 6. arc clamp; 7. U-shaped frame; 8. grinding assembly; 81. third hydraulic cylinder; 82. support plate; 83. rectangular frame; 84. rotating shaft; 85. grinding disc; 86. first pulley; 87. second motor; 88. second pulley; 89. transmission belt; 9. support leg; 10. slider; 11. dust cover. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] The utility model provides Figure 1-3 A spiral steel pipe cutting device shown includes a cutting table 1, a cutting assembly 2 is arranged on the top of the cutting table 1, two second hydraulic cylinders 3 are connected to the top of the cutting table 1, the output ends of the second hydraulic cylinders 3 are connected to a fixing frame 4, a fourth hydraulic cylinder 5 is connected inside the fixing frame 4, an arc-shaped clamping plate 6 is connected to the bottom of the fourth hydraulic cylinder 5, a U-shaped frame 7 is connected to the bottom of the cutting table 1, and a grinding assembly 8 is arranged on the top of the U-shaped frame 7.

[0020] The cutting assembly 2 includes an L-shaped bracket 21 connected to the top of the cutting table 1, a first hydraulic cylinder 22 is connected to the bottom of the L-shaped bracket 21, a first motor 23 is connected to the bottom of the first hydraulic cylinder 22, a saw blade 24 is connected to the output end of the first motor 23, and the saw blade 24 is pushed downward by using the first hydraulic cylinder 22, and the saw blade 24 is driven to rotate by using the first motor 23, so as to cut the steel pipe.

[0021] Support legs 9 are fixedly connected to the four corners of the bottom of the cutting table 1 .

[0022] A sliding block 10 is connected to the bottom of the fixing frame 4 , and a sliding groove corresponding to the sliding block 10 is formed on the top of the cutting table 1 .

[0023] The grinding assembly 8 includes a third hydraulic cylinder 81 connected to the top of the U-shaped frame 7, the top of the third hydraulic cylinder 81 is connected to a support plate 82, the bottom of the cutting table 1 is provided with an opening corresponding to the support plate 82, the top of the support plate 82 is connected to a rectangular frame 83, a rotating shaft 84 is connected inside the rectangular frame 83, both ends of the rotating shaft 84 are connected to a grinding disc 85, the outer wall of the rotating shaft 84 is connected to a first pulley 86, the top of the support plate 82 is connected to a second motor 87, the output end of the second motor 87 is connected to a second pulley 88, a transmission belt 89 is connected between the second pulley 88 and the first pulley 86, and the second pulley 88 is connected to the first pulley 86. After completion, the two cut spiral steel pipes are moved away from each other, and the two grinding discs 85 are pushed to the incisions of the two spiral steel pipes by using the third hydraulic cylinder 81, and the cut spiral steel pipe is placed against the grinding disc 85. The second motor 87 is used to drive the second pulley 88 to rotate, and the second pulley 88 drives the first pulley 86 to rotate through the transmission belt 89, and the first pulley 86 drives the rotating shaft 84 to rotate, and the rotating shaft 84 drives the two grinding discs 85 to rotate, so that the cut surface of the spiral steel pipe can be polished, thereby reducing the transportation time and avoiding the problem of injury to the staff during the transportation process.

[0024] A dust cover 11 is provided on the outer side of the second motor 87 , and the dust cover 11 is connected to the side wall of the rectangular frame 83 , so as to conveniently protect the second motor 87 and prevent dust generated during grinding from falling onto the second motor 87 .

[0025] Working principle of this utility model:

[0026] The steel pipe is placed on two fixed frames 4, and the fourth hydraulic cylinder 5 is used to push the arc clamp 6 to clamp the steel pipe, the first hydraulic cylinder 22 is used to push the saw blade 24 to move downward, and the first motor 23 is used to drive the saw blade 24 to rotate, so as to cut the steel pipe. After the cutting is completed, the two cut spiral steel pipes are moved away from each other, and the third hydraulic cylinder 81 is used to push the two grinding discs 85 to be located at the incision of the two spiral steel pipes, and the cut spiral steel pipe is placed on the grinding disc 85. The second motor 87 is used to drive the second pulley 88 to rotate, and the second pulley 88 drives the first pulley 86 to rotate through the transmission belt 89, and the first pulley 86 drives the rotating shaft 84 to rotate, and the rotating shaft 84 drives the two grinding discs 85 to rotate, so that the cut surface of the spiral steel pipe can be polished.

[0027] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A spiral steel pipe cutting device, comprising a cutting table, a cutting assembly is arranged on the top of the cutting table, characterized in that: Two second hydraulic cylinders are connected to the top of the cutting table, the output ends of the second hydraulic cylinders are connected to a fixed frame, a fourth hydraulic cylinder is connected inside the fixed frame, an arc-shaped clamping plate is connected to the bottom of the fourth hydraulic cylinder, a U-shaped frame is connected to the bottom of the cutting table, and a grinding assembly is arranged on the top of the U-shaped frame.

2. A spiral steel pipe cutting device according to claim 1, characterized in that: The cutting assembly includes an L-shaped bracket connected to the top of the cutting table, the bottom of the L-shaped bracket is connected to a first hydraulic cylinder, the bottom of the first hydraulic cylinder is connected to a first motor, and the output end of the first motor is connected to a saw blade.

3. The spiral steel pipe cutting device according to claim 1, characterized in that: The four corners of the bottom of the cutting table are fixedly connected with supporting legs.

4. The spiral steel pipe cutting device according to claim 1, characterized in that: The bottom of the fixing frame is connected with a sliding block, and the top of the cutting table is provided with a sliding groove corresponding to the sliding block.

5. The spiral steel pipe cutting device according to claim 1, characterized in that: The grinding assembly includes a third hydraulic cylinder connected to the top of the U-shaped frame, the top of the third hydraulic cylinder is connected to a support plate, the bottom of the cutting table is provided with an opening corresponding to the support plate, the top of the support plate is connected to a rectangular frame, a rotating shaft is connected inside the rectangular frame, both ends of the rotating shaft are connected to grinding discs, the outer wall of the rotating shaft is connected to a first pulley, the top of the support plate is connected to a second motor, the output end of the second motor is connected to a second pulley, and a transmission belt is connected between the second pulley and the first pulley.

6. A spiral steel pipe cutting device according to claim 5, characterized in that: A dust cover is arranged on the outer side of the second motor, and the dust cover is connected to the side wall of the rectangular frame.

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