Steel pipe cutting device for building construction

Abstract

The utility model discloses a steel pipe cutting device for building construction, which belongs to the technical field of steel pipe cutting and comprises a base, a collecting tank arranged at the upper end of the base, a collecting mechanism arranged on the lower side of the collecting tank, a fixing mechanism arranged on one side of the upper end of the base, a top plate arranged on the upper side of the base, and a sliding block arranged at the lower end of the top plate. According to the dust falling device, the dust falling assembly is arranged, the draught fan is started, the draught fan enables the dust inlet in one end of the fixing pipe to form negative pressure through the filter box and the connecting pipe, smoke dust is generated when the cutting blade cuts a steel pipe, the smoke dust is sucked into the fixing pipe through the dust inlet, and the dust falling device is used for dust falling of the steel pipe. And then the smoke enters the filter box through the connecting pipe, the smoke-containing air is discharged out of the filter box after being filtered by the gravel layer and the activated carbon layer, dust falling can be conducted on the smoke generated by cutting by arranging the dust falling assembly, and pollution of the smoke generated by cutting to the air is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of steel pipe cutting, and in particular relates to a steel pipe cutting device for building construction. Background Art

[0002] Steel pipes are not only used to transport fluids and powdered solids, exchange heat, and manufacture mechanical parts and containers, but they are also an economical steel material. Using steel pipes to manufacture building structure grids, pillars and mechanical supports can reduce weight, save 20-40% of metal, and realize factory-based mechanized construction. Using steel pipes to manufacture highway bridges can not only save steel and simplify construction, but also greatly reduce the area of ​​protective coating, saving investment and maintenance costs.

[0003] Chinese patent application No. 2018219767108 discloses a steel pipe cutting device for construction construction, comprising a base, a supporting plate is installed on one side of the top of the base, a top plate is installed on the top of the supporting plate, a fixing block is installed on one side of the bottom of the top plate, a sliding rod and a threaded rod are provided between the fixing block and the supporting plate, two ends of the sliding rod are respectively fixedly connected to the fixing block and the supporting plate, and two ends of the threaded rod are respectively movably connected to the fixing block and the supporting plate, and a sliding block is provided on the sliding rod and the threaded rod, and the elastic rod can be driven to move by a first cylinder, and the elastic rod can drive the upper pressing plate to move, so that the steel pipe is fixed between the upper pressing plate and the bottom plate, and the mounting plate can be driven to move by a second cylinder, and the movement of the mounting plate can drive the motor to move, and the motor can drive the cutting blade to rotate, so as to automatically cut the steel pipe, and at the same time, the threaded rod can be driven to rotate by rotating the handle, and the rotation of the threaded rod can drive the cutting device to move, so that the length of the steel pipe cutting can be controlled as needed.

[0004] The above-mentioned patent does not have a dust reduction function. The device generates a lot of smoke and dust when cutting steel pipes, which causes serious air pollution. At the same time, the original device is not convenient for disassembly, assembly and replacement of the cutting blade. The cutting blade becomes blunt after long-term use, affecting the subsequent cutting quality. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the utility model provides a steel pipe cutting device for construction, which has a dust reduction function and the smoke generated by cutting has the characteristics of little air pollution.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a steel pipe cutting device for construction, comprising a base, a collecting trough is arranged at the upper end of the base, a collecting mechanism is arranged at the lower side of the collecting trough, a fixing mechanism is arranged at one side of the upper end of the base, a top plate is arranged at the upper side of the base, a slider is arranged at the lower end of the top plate, the slider and the top plate are connected by a driving mechanism, a cylinder is arranged at the lower end of the slider, a motor is arranged at the lower side of the cylinder, a cutting blade is arranged at one side of the motor, and a dust reduction component is arranged between the motor and the cylinder.

[0007] Preferably, the dust reduction component includes a connecting seat, a filter box, a sand and gravel layer, an activated carbon layer, a fan, a fixed pipe, a dust inlet, a connecting pipe and a connecting component, wherein a connecting seat is provided at the output end of the cylinder, a filter box is provided on one side of the upper end of the connecting seat, a fan is provided at one end of the filter box, a sand and gravel layer is provided on one side of the inside of the filter box, an activated carbon layer is provided on one side of the sand and gravel layer, a fixed pipe is provided on one side of the cutting blade, a dust inlet is provided on one side of the lower end of the fixed pipe, a connecting pipe is provided between the fixed pipe and the filter box, and the sand and gravel layer and the activated carbon layer are connected to the filter box through a connecting component.

[0008] Preferably, the connecting assembly includes a mounting plate, a lifting ring, a mounting bolt, a mounting groove and a mounting hole, wherein a mounting plate is provided on the upper end of the sand and gravel layer and the activated carbon layer, a lifting ring is provided on the upper end of the mounting plate, a mounting groove corresponding to the mounting plate is provided on the upper end of the filter box, the mounting plate and the filter box are connected by mounting bolts, and mounting holes corresponding to the mounting bolts are provided in the mounting groove.

[0009] Preferably, a rubber pad is bonded to the inner wall of the mounting groove by glue, a sponge pad is bonded to the surface of the lifting ring by glue, and through holes corresponding to the mounting bolts are provided on both sides of the mounting plate.

[0010] Preferably, a fixed seat is provided at the output end of the motor, a positioning rod is provided at the middle position of one end of the cutting blade, a positioning hole corresponding to the positioning rod is provided at one end of the fixed seat, plug plates are provided on both sides of the positioning rod, a slot corresponding to the plug plate is provided at one end of the fixed seat, the plug plate and the fixed seat are connected by a fixing bolt, and a fixing hole corresponding to the fixing bolt is provided in the plug plate.

[0011] Preferably, after the plug board enters the slot, the side edge of the plug board is tightly attached to the inner wall of the slot, and through holes corresponding to the fixing bolts are provided at both ends of the fixing seat.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model sets a dust reduction component, turns on the fan, and the fan forms a negative pressure in the dust inlet at one end of the fixed pipe through the filter box and the connecting pipe. When the cutting blade cuts the steel pipe, smoke and dust are generated. The smoke and dust are sucked into the fixed pipe through the dust inlet, and then the smoke and dust enter the filter box through the connecting pipe. The air containing smoke and dust is filtered by the sand and gravel layer and the activated carbon layer and then discharged from the filter box. The dust reduction component can be used to reduce the smoke generated by cutting, thereby reducing the pollution of the air by the smoke generated by cutting.

[0014] 2. The utility model sets a fixing seat, inserts the plug plate at one end of the cutting blade into the slot of the fixing seat, and the positioning rod enters the positioning hole of the fixing seat. The positioning rod is set to facilitate the insertion of the plug plate into the slot, and then the fixing bolt is screwed into the fixing hole of the plug plate to achieve the effect of limiting and fixing the plug plate and the cutting blade. The fixing bolt is screwed out from the fixing hole of the plug plate, and the cutting blade can be removed from one end of the fixing seat. The setting of the fixing seat facilitates the disassembly and replacement of the cutting blade. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the utility model;

[0016] Figure 2 This is a three-dimensional diagram of the dust suppression component of the utility model;

[0017] Figure 3 This is a cutaway perspective view of the filter box when the mounting plate of the utility model is installed;

[0018] Figure 4 This is a cutaway perspective view of the fixing base when the cutting blade of the utility model is installed;

[0019] In the figure: 1. base; 2. dust suppression component; 21. connecting seat; 22. filter box; 23. sand and gravel layer; 24. activated carbon layer; 25. fan; 26. fixing pipe; 27. dust inlet; 28. connecting pipe; 29. ​​connecting component; 291. mounting plate; 292. lifting ring; 293. mounting bolt; 294. mounting slot; 295. mounting hole; 3. collecting mechanism; 4. collecting slot; 5. slider; 6. cylinder; 7. top plate; 8. driving mechanism; 9. cutting blade; 10. motor; 11. fixing mechanism; 12. fixing seat; 13. plug-in plate; 14. fixing hole; 15. fixing bolt; 16. slot; 17. positioning rod; 18. positioning hole. DETAILED DESCRIPTION

[0020] 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.

[0021] Example 1

[0022] See also Figure 1-4The utility model provides the following technical solutions: a steel pipe cutting device for construction, comprising a base 1, a collecting trough 4 is arranged at the upper end of the base 1, a collecting mechanism 3 is arranged at the lower side of the collecting trough 4, a fixing mechanism 11 is arranged at one side of the upper end of the base 1, a top plate 7 is arranged at the upper side of the base 1, a slider 5 is arranged at the lower end of the top plate 7, the slider 5 and the top plate 7 are connected by a driving mechanism 8, a cylinder 6 is arranged at the lower end of the slider 5, a motor 10 is arranged at the lower side of the cylinder 6, a cutting blade 9 is arranged at one side of the motor 10, and a dust reduction component 2 is arranged between the motor 10 and the cylinder 6.

[0023] Specifically, the dust reduction component 2 includes a connecting seat 21, a filter box 22, a sand and gravel layer 23, an activated carbon layer 24, a fan 25, a fixed pipe 26, a dust inlet 27, a connecting pipe 28 and a connecting component 29, wherein a connecting seat 21 is provided at the output end of the cylinder 6, a filter box 22 is provided on one side of the upper end of the connecting seat 21, a fan 25 is provided at one end of the filter box 22, a sand and gravel layer 23 is provided on one side of the inside of the filter box 22, an activated carbon layer 24 is provided on one side of the sand and gravel layer 23, a fixed pipe 26 is provided on one side of the cutting blade 9, a dust inlet 27 is provided on one side of the lower end of the fixed pipe 26, a connecting pipe 28 is provided between the fixed pipe 26 and the filter box 22, and the sand and gravel layer 23 and the activated carbon layer 24 are connected to the filter box 22 through a connecting component 29.

[0024] By adopting the above technical solution, the fan 25 is turned on, and the fan 25 forms a negative pressure in the dust inlet 27 at one end of the fixed pipe 26 through the filter box 22 and the connecting pipe 28. When the cutting blade 9 cuts the steel pipe, smoke is generated. The smoke is sucked into the fixed pipe 26 through the dust inlet 27, and then the smoke enters the filter box 22 through the connecting pipe 28. The smoke-containing air is filtered by the sand and gravel layer 23 and the activated carbon layer 24 and then discharged from the filter box 22. By setting the dust reduction component 2, the smoke generated by the cutting can be reduced to reduce the pollution of the air by the smoke generated by the cutting.

[0025] Specifically, the connecting assembly 29 includes a mounting plate 291, a lifting ring 292, a mounting bolt 293, a mounting groove 294 and a mounting hole 295, wherein a mounting plate 291 is provided on the upper end of the sand and gravel layer 23 and the activated carbon layer 24, a lifting ring 292 is provided on the upper end of the mounting plate 291, a mounting groove 294 corresponding to the mounting plate 291 is provided on the upper end of the filter box 22, the mounting plate 291 and the filter box 22 are connected by mounting bolts 293, and mounting holes 295 corresponding to the mounting bolts 293 are provided in the mounting groove 294.

[0026] By adopting the above technical solution, the mounting bolt 293 is unscrewed from the mounting hole 295, and then the mounting plate 291 can be taken out from the mounting groove 294 of the filter box 22 through the lifting ring 292. The mounting plate 291 can bring out the sand and gravel layer 23 and the activated carbon layer 24. By setting the connecting component 29, it is convenient to disassemble, clean or replace the sand and gravel layer 23 and the activated carbon layer 24.

[0027] Specifically, a rubber pad is bonded to the inner wall of the mounting groove 294 by glue, a sponge pad is bonded to the surface of the lifting ring 292 by glue, and through holes corresponding to the mounting bolts 293 are provided on both sides of the mounting plate 291.

[0028] By adopting the above technical solution, a rubber pad is provided so that the mounting plate 291 fits more closely with the filter box 22 after being installed into the mounting groove 294, and a sponge pad is provided so that pulling the lifting ring 292 is more comfortable.

[0029] When the present embodiment is used, when the steel pipe cutting device for construction is used, the device is installed in a suitable position, the steel pipe is placed on the base 1, the steel pipe is fixed by the fixing mechanism 11, the driving mechanism 8 drives the slider 5 to move, and after the slider 5 drives the cutting blade 9 to move to a suitable position, the cylinder 6 is turned on to push the cutting blade 9 to move downward, and the motor 10 drives the cutting blade 9 to rotate to cut the steel pipe, and the waste chips generated by the cutting fall into the collecting trough 4, and the collecting mechanism 3 collects the waste chips, and by setting the dust reduction component 2, the fan 25 is turned on, and the fan 25 forms a negative pressure in the dust inlet 27 at one end of the fixed pipe 26 through the filter box 22 and the connecting pipe 28, and the cutting blade 9 generates smoke when cutting the steel pipe. Dust, smoke is sucked into the fixed pipe 26 through the dust inlet 27, and then the smoke enters the filter box 22 through the connecting pipe 28. The smoke-containing air is filtered by the sand and gravel layer 23 and the activated carbon layer 24 and then discharged from the filter box 22. By setting the dust reduction component 2, the smoke generated by cutting can be reduced to reduce the pollution of air by the smoke generated by cutting. By setting the connecting component 29, the mounting bolt 293 can be screwed out from the mounting hole 295, and then the mounting plate 291 can be taken out from the mounting groove 294 of the filter box 22 through the lifting ring 292. The mounting plate 291 can bring out the sand and gravel layer 23 and the activated carbon layer 24. By setting the connecting component 29, it is convenient to disassemble, clean or replace the sand and gravel layer 23 and the activated carbon layer 24.

[0030] Example 2

[0031] The difference between this embodiment and embodiment 1 lies in that: a fixing seat 12 is provided at the output end of the motor 10, a positioning rod 17 is provided at the middle position of one end of the cutting blade 9, a positioning hole 18 corresponding to the positioning rod 17 is provided at one end of the fixing seat 12, plug plates 13 are provided on both sides of the positioning rod 17, a slot 16 corresponding to the plug plate 13 is provided at one end of the fixing seat 12, the plug plate 13 and the fixing seat 12 are connected by a fixing bolt 15, and a fixing hole 14 corresponding to the fixing bolt 15 is provided in the plug plate 13.

[0032] By adopting the above technical solution, the plug plate 13 at one end of the cutting blade 9 is inserted into the slot 16 of the fixing seat 12, and the positioning rod 17 enters the positioning hole 18 of the fixing seat 12. The positioning rod 17 is provided to facilitate the insertion of the plug plate 13 into the slot 16, and then the fixing bolt 15 is screwed into the fixing hole 14 of the plug plate 13 to achieve the effect of limiting and fixing the plug plate 13 and the cutting blade 9. The fixing bolt 15 is screwed out from the fixing hole 14 of the plug plate 13, and the cutting blade 9 can be removed from one end of the fixing seat 12. The setting of the fixing seat 12 facilitates the disassembly and replacement of the cutting blade 9.

[0033] Specifically, after the plug board 13 enters the slot 16 , the side of the plug board 13 is tightly attached to the inner wall of the slot 16 , and through holes corresponding to the fixing bolts 15 are provided at both ends of the fixing seat 12 .

[0034] By adopting the above technical solution, after the plug board 13 enters the slot 16 , the plug board 13 is more stable in the slot 16 , and the fixing bolt 15 can pass through the fixing seat 12 to fix the plug board 13 .

[0035] When this embodiment is used, by setting the fixing seat 12, the plug plate 13 at one end of the cutting blade 9 is inserted into the slot 16 of the fixing seat 12, and the positioning rod 17 enters the positioning hole 18 of the fixing seat 12. The positioning rod 17 is provided to facilitate the insertion of the plug plate 13 into the slot 16, and then the fixing bolt 15 is screwed into the fixing hole 14 of the plug plate 13 to achieve the effect of limiting and fixing the plug plate 13 and the cutting blade 9. The fixing bolt 15 is screwed out from the fixing hole 14 of the plug plate 13, and the cutting blade 9 can be removed from one end of the fixing seat 12. The setting of the fixing seat 12 facilitates the disassembly, assembly and replacement of the cutting blade 9.

[0036] The blower 25 of the utility model is an existing disclosed technology, and the selected model is 4-72C.

[0037] The structure and working principle of the base 1, collecting mechanism 3, collecting trough 4, slider 5, cylinder 6, top plate 7, driving mechanism 8, cutting blade 9, motor 10 and fixing mechanism 11 in the utility model have been disclosed in a steel pipe cutting device for construction disclosed in Chinese patent application No. 2018219767108. Its working principle is to place the steel pipe on the base 1, fix the steel pipe by the fixing mechanism 11, drive the slider 5 to move, and after the slider 5 drives the cutting blade 9 to move to a suitable position, open the cylinder 6 to push the cutting blade 9 to move downward, and the motor 10 drives the cutting blade 9 to rotate to cut the steel pipe. The waste generated by the cutting falls into the collecting trough 4, and the collecting mechanism 3 collects the waste.

[0038] The working principle and use process of the utility model are as follows: when the steel pipe cutting device for construction is used, the device is installed in a suitable position, the steel pipe is placed on the base 1, the steel pipe is fixed by the fixing mechanism 11, the driving mechanism 8 drives the slider 5 to move, and after the slider 5 drives the cutting blade 9 to move to a suitable position, the cylinder 6 is turned on to push the cutting blade 9 to move downward, and the motor 10 drives the cutting blade 9 to rotate to cut the steel pipe, and the waste chips generated by the cutting fall into the collecting trough 4, and the collecting mechanism 3 collects the waste chips, and by setting the dust reduction component 2, the fan 25 is turned on, and the fan 25 forms a negative pressure in the dust inlet 27 at one end of the fixed pipe 26 through the filter box 22 and the connecting pipe 28, and the cutting blade 9 generates smoke and dust when cutting the steel pipe, and the smoke and dust are sucked into the fixed pipe 26 through the dust inlet 27, and then the smoke and dust enter the filter box 22 through the connecting pipe 28, and the smoke and dust air is filtered by the sand and gravel layer 23 and the activated carbon layer 24 and then discharged from the filter box 22, and the smoke and dust generated by the cutting can be reduced by setting the dust reduction component 2 The dust is reduced, and the pollution of the smoke and dust generated by cutting to the air is reduced. By setting the connecting component 29, the mounting bolt 293 is screwed out from the mounting hole 295, and then the mounting plate 291 can be taken out from the mounting groove 294 of the filter box 22 through the lifting ring 292. The mounting plate 291 can take out the sand and gravel layer 23 and the activated carbon layer 24. By setting the connecting component 29, it is convenient to disassemble, clean or replace the sand and gravel layer 23 and the activated carbon layer 24. By setting the fixing seat 12, the plug plate 13 at one end of the cutting blade 9 is inserted into the fixing seat 12. In the slot 16 of the fixing seat 12, the positioning rod 17 enters the positioning hole 18 of the fixing seat 12. The positioning rod 17 is provided to facilitate the insertion of the plug plate 13 into the slot 16. Then the fixing bolt 15 is screwed into the fixing hole 14 of the plug plate 13 to achieve the effect of limiting and fixing the plug plate 13 and the cutting blade 9. The fixing bolt 15 is screwed out from the fixing hole 14 of the plug plate 13, and the cutting blade 9 can be removed from one end of the fixing seat 12. The setting of the fixing seat 12 facilitates the disassembly and replacement of the cutting blade 9.

[0039] Although 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 the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A steel pipe cutting device for construction, comprising a base, characterized in that: A collecting trough is provided at the upper end of the base, a collecting mechanism is provided at the lower side of the collecting trough, a fixing mechanism is provided at one side of the upper end of the base, a top plate is provided at the upper side of the base, a slider is provided at the lower end of the top plate, the slider and the top plate are connected by a driving mechanism, a cylinder is provided at the lower end of the slider, a motor is provided at the lower side of the cylinder, a cutting blade is provided at one side of the motor, and a dust reduction component is provided between the motor and the cylinder.

2. A steel pipe cutting device for construction according to claim 1, characterized in that: The dust reduction component includes a connecting seat, a filter box, a sand and gravel layer, an activated carbon layer, a fan, a fixed pipe, a dust inlet, a connecting pipe and a connecting component, wherein a connecting seat is provided at the output end of the cylinder, a filter box is provided on one side of the upper end of the connecting seat, a fan is provided at one end of the filter box, a sand and gravel layer is provided on one side of the inside of the filter box, an activated carbon layer is provided on one side of the sand and gravel layer, a fixed pipe is provided on one side of the cutting blade, a dust inlet is provided on one side of the lower end of the fixed pipe, a connecting pipe is provided between the fixed pipe and the filter box, and the sand and gravel layer and the activated carbon layer are connected to the filter box through a connecting component.

3. A steel pipe cutting device for construction according to claim 2, characterized in that: The connecting assembly includes a mounting plate, a lifting ring, a mounting bolt, a mounting groove and a mounting hole, wherein a mounting plate is arranged on the upper end of the sand and gravel layer and the activated carbon layer, a lifting ring is arranged on the upper end of the mounting plate, a mounting groove corresponding to the mounting plate is arranged on the upper end of the filter box, the mounting plate and the filter box are connected by mounting bolts, and mounting holes corresponding to the mounting bolts are arranged in the mounting groove.

4. A steel pipe cutting device for construction according to claim 3, characterized in that: A rubber pad is bonded to the inner wall of the mounting groove by glue, a sponge pad is bonded to the surface of the lifting ring by glue, and through holes corresponding to the mounting bolts are arranged on both sides of the mounting plate.

5. The steel pipe cutting device for construction according to claim 1, characterized in that: A fixing seat is provided at the output end of the motor, a positioning rod is provided at the middle position of one end of the cutting blade, a positioning hole corresponding to the positioning rod is provided at one end of the fixing seat, plug plates are provided on both sides of the positioning rod, a slot corresponding to the plug plate is provided at one end of the fixing seat, the plug plate and the fixing seat are connected by a fixing bolt, and a fixing hole corresponding to the fixing bolt is provided in the plug plate.

6. A steel pipe cutting device for construction according to claim 5, characterized in that: After the plug board enters the slot, the side edge of the plug board is tightly attached to the inner wall of the slot, and through holes corresponding to the fixing bolts are arranged at both ends of the fixing seat.

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